/* roulang page: index */
:root{
  --bg-0:#070C16;
  --bg-1:#0A1120;
  --bg-2:#0E1729;
  --bg-3:#121E33;
  --primary:#38BDF8;
  --primary-deep:#1D6FA5;
  --violet:#7C6CFF;
  --action:#FFB347;
  --text-1:#E8EEF7;
  --text-2:#9FB0C7;
  --text-3:#64748B;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.14);
  --success:#34D399;
  --warn:#F87171;
  --r-sm:10px;
  --r-md:16px;
  --r-lg:24px;
  --shadow-1:0 8px 24px rgba(0,0,0,.35);
  --shadow-2:0 16px 40px rgba(0,0,0,.5);
  --ease:cubic-bezier(.22,.61,.36,1);
  --sec:88px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg-1);
  color:var(--text-1);
  font-family:'PingFang SC','Microsoft YaHei','Source Han Sans SC',system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.85;
  letter-spacing:-0.01em;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,h5,h6,p,ul,ol,figure,blockquote{margin:0;padding:0}
ul,ol{list-style:none}
a{color:inherit;text-decoration:none;transition:color .22s var(--ease)}
a:hover{color:var(--primary)}
img{max-width:100%;display:block}
button{font:inherit;border:0;background:none;color:inherit;cursor:pointer}
input{font:inherit}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px}
::selection{background:rgba(56,189,248,.28);color:#fff}
.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.section{padding:var(--sec) 0}
.section--tight{padding:56px 0}
.section--alt{background:var(--bg-0)}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:500;letter-spacing:.04em;
  color:#BFE9FF;background:rgba(56,189,248,.10);
  border:1px solid rgba(56,189,248,.28);
  padding:6px 14px;border-radius:100px;
}
.eyebrow i{font-size:11px}
.section-hd{
  display:flex;align-items:flex-end;justify-content:space-between;
  gap:24px;margin-bottom:34px;flex-wrap:wrap;
}
.section-hd h2{font-size:clamp(22px,2.4vw,28px);font-weight:700;line-height:1.35;letter-spacing:-0.01em}
.section-hd h2 span{color:var(--primary)}
.section-hd .sub{color:var(--text-2);font-size:14px;margin-top:8px;max-width:620px}
.more-link{
  display:inline-flex;align-items:center;gap:8px;
  color:var(--primary);font-size:14px;position:relative;white-space:nowrap;
}
.more-link::after{
  content:"";position:absolute;left:50%;bottom:-4px;width:0;height:1px;
  background:var(--primary);transition:width .25s var(--ease),left .25s var(--ease);
}
.more-link:hover::after{width:100%;left:0}
.more-link:hover{color:#fff}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:60}
.brand-bar{
  background:rgba(10,15,28,.72);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  border-bottom:1px solid rgba(255,255,255,.07);
  transition:background .25s var(--ease),box-shadow .25s var(--ease);
}
.site-header.is-scrolled .brand-bar{
  background:rgba(7,12,22,.92);
  box-shadow:0 14px 34px rgba(0,0,0,.45);
}
.brand-bar__inner{display:flex;align-items:center;gap:22px;height:64px}
.brand{display:flex;align-items:baseline;gap:10px;flex:0 0 auto}
.brand__mark{
  font-size:19px;font-weight:800;letter-spacing:-0.01em;
  background:linear-gradient(92deg,#FFFFFF,#9FDDFF 70%,#7C6CFF);
  -webkit-background-clip:text;background-clip:text;color:transparent;
  white-space:nowrap;
}
.brand__sub{font-size:12px;color:var(--text-3);letter-spacing:.06em;white-space:nowrap}
.brand-bar__mid{
  font-size:13px;color:var(--text-2);letter-spacing:.08em;
  padding-left:18px;border-left:1px solid var(--line);white-space:nowrap;
}
.brand-tools{display:flex;align-items:center;gap:14px;margin-left:auto}
.search-box{
  display:flex;align-items:center;gap:8px;height:38px;padding:0 12px;
  background:var(--bg-2);border:1px solid var(--line);border-radius:var(--r-sm);
  transition:border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.search-box i{color:var(--text-3);font-size:13px}
.search-box:focus-within{border-color:var(--primary);box-shadow:0 0 0 3px rgba(56,189,248,.18)}
.search-box input{
  width:158px;height:100%;background:transparent;border:0;outline:none;
  color:var(--text-1);font-size:13px;
}
.search-box input::placeholder{color:var(--text-3)}
.tool-link{font-size:14px;color:var(--text-2);white-space:nowrap}
.tool-link:hover{color:var(--primary)}
.tool-phone{
  display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:600;
  color:#FFD79A;white-space:nowrap;
}
.tool-phone i{font-size:12px}
.tool-phone:hover{color:var(--action)}
.channel-bar{
  background:rgba(8,13,24,.88);
  -webkit-backdrop-filter:blur(10px);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.channel-bar__inner{
  display:flex;align-items:center;gap:6px;height:48px;
  overflow-x:auto;overflow-y:hidden;-webkit-overflow-scrolling:touch;
  scrollbar-width:none;
}
.channel-bar__inner::-webkit-scrollbar{display:none}
.channel{
  position:relative;display:inline-flex;align-items:center;
  padding:7px 14px;border-radius:var(--r-sm);
  font-size:14px;color:var(--text-2);white-space:nowrap;
  transition:background .22s var(--ease),color .22s var(--ease);
}
.channel:hover{background:rgba(255,255,255,.06);color:var(--text-1)}
.channel.is-active{color:#fff}
.channel.is-active::after{
  content:"";position:absolute;left:50%;bottom:-2px;transform:translateX(-50%);
  width:24px;height:2px;border-radius:2px;background:var(--primary);
  box-shadow:0 6px 14px rgba(56,189,248,.4);
}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border-radius:var(--r-sm);
  font-size:15px;font-weight:600;line-height:1;
  border:1px solid transparent;white-space:nowrap;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),background .22s var(--ease),color .22s var(--ease),filter .22s var(--ease);
}
.btn i{font-size:13px}
.btn--action{
  background:linear-gradient(180deg,#FFC96F,#FFB347);color:#2A1A00;
  box-shadow:0 0 0 1px rgba(255,179,71,.45),0 8px 24px rgba(255,179,71,.28);
}
.btn--action:hover{
  filter:brightness(1.08);transform:translateY(-1px);
  box-shadow:0 0 0 1px rgba(255,179,71,.55),0 14px 32px rgba(255,179,71,.42);
  color:#2A1A00;
}
.btn--action:active{transform:translateY(1px);box-shadow:0 6px 16px rgba(255,179,71,.3)}
.btn--ghost{
  background:rgba(255,255,255,.04);border-color:var(--line-strong);color:var(--text-1);
}
.btn--ghost:hover{
  background:rgba(255,255,255,.08);
  border-color:rgba(56,189,248,.5);color:#fff;
}
.btn--primary{
  background:rgba(56,189,248,.12);border-color:rgba(56,189,248,.5);color:#BFE9FF;
}
.btn--primary:hover{
  background:rgba(56,189,248,.2);color:#fff;
  box-shadow:0 0 0 1px rgba(56,189,248,.4),0 10px 26px rgba(56,189,248,.22);
}
.btn.is-disabled,.btn:disabled{opacity:.45;cursor:not-allowed;transform:none;filter:none;box-shadow:none}

/* ---------- hero ---------- */
.hero{
  position:relative;overflow:hidden;padding:72px 0 var(--sec);
  background:
    radial-gradient(900px 520px at 88% 4%,rgba(56,189,248,.10),transparent 62%),
    radial-gradient(620px 420px at 4% 92%,rgba(124,108,255,.09),transparent 66%),
    var(--bg-1);
}
.hero::before{
  content:"";position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;opacity:.12;pointer-events:none;
}
.hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:
    linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px);
  background-size:24px 24px;
  -webkit-mask-image:radial-gradient(circle at 50% 30%,#000 20%,transparent 78%);
  mask-image:radial-gradient(circle at 50% 30%,#000 20%,transparent 78%);
}
.hero .wrap{position:relative;z-index:2}
.hero__grid{display:grid;grid-template-columns:7fr 5fr;gap:48px;align-items:center}
.hero h1{
  font-size:clamp(28px,3.6vw,44px);font-weight:800;line-height:1.25;
  letter-spacing:-0.015em;margin:20px 0 18px;max-width:16em;
}
.hero h1 em{
  font-style:normal;position:relative;color:#fff;
  background:linear-gradient(92deg,#FFFFFF,#8FDCFF);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero__lead{color:var(--text-2);font-size:16px;line-height:1.85;max-width:580px}
.hero__actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.hero__points{display:flex;flex-wrap:wrap;gap:10px 26px;margin-top:32px}
.hero__points li{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;color:var(--text-2);
}
.hero__points i{color:var(--success);font-size:12px}
.hero__visual{position:relative}
.hero-card{
  position:relative;border-radius:var(--r-lg);overflow:hidden;
  border:1px solid var(--line-strong);
  background:rgba(255,255,255,.05);
  -webkit-backdrop-filter:blur(18px);
  backdrop-filter:blur(18px);
  box-shadow:0 26px 64px rgba(0,0,0,.55),inset 0 1px 0 rgba(255,255,255,.18);
}
.hero-card img{width:100%;aspect-ratio:16/11;object-fit:cover;opacity:.92}
.hero-card__body{
  position:absolute;left:0;right:0;bottom:0;padding:22px 24px;z-index:2;
  background:linear-gradient(180deg,transparent,rgba(7,12,22,.86));
}
.hero-card__tag{
  display:inline-block;font-size:11px;letter-spacing:.06em;
  color:#BFE9FF;background:rgba(56,189,248,.16);
  border:1px solid rgba(56,189,248,.34);
  padding:3px 10px;border-radius:6px;margin-bottom:10px;
}
.hero-card__title{font-size:17px;font-weight:700;line-height:1.5}
.hero-card__desc{font-size:13px;color:var(--text-2);margin-top:6px}
.float-card{
  position:absolute;left:-24px;bottom:-28px;width:236px;
  background:var(--bg-3);border:1px solid var(--line-strong);
  border-radius:var(--r-md);padding:16px;box-shadow:var(--shadow-2);
}
.float-card__tag{font-size:11px;letter-spacing:.06em;color:var(--text-3)}
.float-card__row{display:flex;gap:18px;margin-top:10px}
.float-card__row strong{display:block;font-size:20px;font-weight:800;color:#fff;line-height:1.2}
.float-card__row span{display:block;font-size:12px;color:var(--text-2);margin-top:2px}

/* ---------- promo grid ---------- */
.grid-gutter{margin-bottom:26px}
.promo-card{
  position:relative;display:flex;flex-direction:column;height:100%;
  background:var(--bg-2);border:1px solid var(--line);
  border-radius:var(--r-md);overflow:hidden;box-shadow:var(--shadow-1);
  transition:transform .22s var(--ease),border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.promo-card::before{
  content:"";position:absolute;top:0;left:50%;transform:translateX(-50%);
  width:0;height:2px;z-index:3;
  background:linear-gradient(90deg,transparent,var(--primary),transparent);
  transition:width .3s var(--ease);
}
.promo-card:hover{transform:translateY(-4px);border-color:rgba(255,255,255,.18);box-shadow:var(--shadow-2),0 0 0 1px rgba(56,189,248,.14)}
.promo-card:hover::before{width:60%}
.promo-card__media{position:relative;overflow:hidden}
.promo-card__media img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .35s var(--ease)}
.promo-card:hover .promo-card__media img{transform:scale(1.04)}
.promo-card__badge{
  position:absolute;left:12px;top:12px;z-index:2;
  font-size:11px;font-weight:600;letter-spacing:.04em;
  padding:4px 10px;border-radius:6px;color:#0A1120;
  background:linear-gradient(180deg,#8FE0FF,#38BDF8);
}
.promo-card__body{display:flex;flex-direction:column;flex:1;padding:18px 20px 16px;gap:10px}
.promo-card__body h3{font-size:16px;font-weight:700;line-height:1.55;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.promo-card__body p{font-size:13px;color:var(--text-2);line-height:1.75;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.promo-card__stats{display:flex;gap:16px;padding-top:12px;margin-top:auto;border-top:1px solid var(--line)}
.promo-card__stats div{flex:1;min-width:0}
.promo-card__stats strong{display:block;font-size:15px;font-weight:800;color:#fff;line-height:1.2}
.promo-card__stats span{display:block;font-size:11px;color:var(--text-3);margin-top:2px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.promo-card__link{
  display:inline-flex;align-items:center;gap:6px;justify-content:flex-end;
  font-size:13px;color:var(--primary);margin-top:12px;
}
.promo-card__link i{transition:transform .22s var(--ease)}
.promo-card:hover .promo-card__link i{transform:translateX(4px)}

/* ---------- channel cards ---------- */
.channel-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.channel-card{
  display:flex;align-items:center;gap:16px;height:96px;padding:0 22px;
  background:var(--bg-2);border:1px solid var(--line);border-radius:var(--r-md);
  transition:transform .22s var(--ease),border-color .22s var(--ease),box-shadow .22s var(--ease),background .22s var(--ease);
  position:relative;overflow:hidden;
}
.channel-card:hover{
  transform:translateY(-3px);border-color:rgba(56,189,248,.35);
  background:var(--bg-3);box-shadow:var(--shadow-2);
}
.channel-card__bar{flex:0 0 4px;width:4px;height:46px;border-radius:4px;background:linear-gradient(180deg,var(--primary),var(--violet))}
.channel-card__text{min-width:0}
.channel-card__text strong{display:block;font-size:16px;font-weight:700;color:#fff;line-height:1.4}
.channel-card__text span{display:block;font-size:12px;color:var(--text-2);margin-top:4px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.channel-card__arrow{margin-left:auto;color:var(--text-3);transition:transform .22s var(--ease),color .22s var(--ease)}
.channel-card:hover .channel-card__arrow{color:var(--primary);transform:translateX(4px)}

/* ---------- news ---------- */
.news-card{
  display:flex;flex-direction:column;gap:10px;height:100%;padding:22px;
  background:var(--bg-2);border:1px solid var(--line);border-radius:var(--r-md);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.06);
  transition:transform .22s var(--ease),border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.news-card:hover{transform:translateY(-4px);border-color:rgba(56,189,248,.35);box-shadow:var(--shadow-2)}
.news-card .badge{
  align-self:flex-start;font-size:11px;font-weight:600;letter-spacing:.04em;
  color:#BFE9FF;background:rgba(56,189,248,.12);
  border:1px solid rgba(56,189,248,.3);padding:3px 10px;border-radius:6px;
}
.news-card h3{font-size:16px;font-weight:700;line-height:1.6;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-card p{font-size:13px;color:var(--text-2);line-height:1.75;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;flex:1}
.news-card .meta{display:flex;align-items:center;gap:10px;font-size:12px;color:var(--text-3);padding-top:12px;border-top:1px solid var(--line)}
.news-card .meta .dot{width:3px;height:3px;border-radius:50%;background:var(--text-3)}
.empty-state{
  min-height:224px;display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:12px;text-align:center;padding:48px 24px;
  background:var(--bg-2);border:1px dashed rgba(255,255,255,.14);border-radius:var(--r-md);
}
.empty-state i{font-size:34px;color:var(--text-3)}
.empty-state strong{font-size:15px;font-weight:600}
.empty-state span{font-size:13px;color:var(--text-3);max-width:420px}

/* ---------- reviews ---------- */
.review-track{
  display:flex;gap:20px;overflow-x:auto;padding:4px 4px 18px;
  scroll-snap-type:x mandatory;scrollbar-width:none;
}
.review-track::-webkit-scrollbar{display:none}
.review-card{
  flex:0 0 calc((100% - 40px)/3);scroll-snap-align:start;
  position:relative;padding:26px 24px 22px;border-radius:var(--r-md);
  background:rgba(255,255,255,.05);border:1px solid var(--line-strong);
  -webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.16),var(--shadow-1);
  transition:transform .22s var(--ease),border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.review-card:hover{transform:translateY(-4px);border-color:rgba(56,189,248,.4);box-shadow:var(--shadow-2)}
.review-card::before{
  content:"\201C";position:absolute;left:18px;top:6px;
  font-size:46px;line-height:1;color:rgba(56,189,248,.3);font-family:Georgia,serif;
}
.review-card p{font-size:14px;color:var(--text-2);line-height:1.85;margin-top:22px;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.review-card footer{display:flex;align-items:center;gap:12px;margin-top:20px;padding-top:16px;border-top:1px solid var(--line)}
.avatar{
  width:36px;height:36px;border-radius:50%;flex:0 0 36px;
  display:inline-flex;align-items:center;justify-content:center;
  font-size:14px;font-weight:700;color:#0A1120;
  background:linear-gradient(140deg,#8FE0FF,#7C6CFF);
}
.review-card footer strong{display:block;font-size:13px;font-weight:600;color:var(--text-1);line-height:1.4}
.review-card footer span{display:block;font-size:12px;color:var(--text-3)}
.review-nav{display:flex;align-items:center;gap:16px;margin-top:8px}
.review-dots{display:flex;gap:8px}
.review-dots button{width:8px;height:8px;border-radius:50%;background:rgba(255,255,255,.18);transition:.22s}
.review-dots button.is-active{background:var(--primary);width:22px;border-radius:5px}
.review-arrows{display:flex;gap:10px;margin-left:auto}
.review-arrows button{
  width:38px;height:38px;border-radius:var(--r-sm);
  border:1px solid var(--line-strong);color:var(--text-2);
  display:inline-flex;align-items:center;justify-content:center;
  transition:.22s var(--ease);
}
.review-arrows button:hover{color:#fff;border-color:rgba(56,189,248,.5);background:rgba(255,255,255,.06)}

/* ---------- assurance ---------- */
.assure{
  display:grid;grid-template-columns:repeat(4,1fr);
  background:var(--bg-2);border:1px solid var(--line);border-radius:var(--r-md);
  overflow:hidden;
}
.assure__item{padding:26px 24px;position:relative}
.assure__item + .assure__item::before{
  content:"";position:absolute;left:0;top:22%;height:56%;width:1px;background:var(--line);
}
.assure__item i{font-size:20px;color:var(--primary)}
.assure__item strong{display:block;font-size:15px;font-weight:600;color:#fff;margin-top:12px;line-height:1.4}
.assure__item span{display:block;font-size:12px;color:var(--text-2);margin-top:6px;line-height:1.7}

/* ---------- cta band ---------- */
.cta-band{
  position:relative;overflow:hidden;border-radius:var(--r-lg);
  border:1px solid var(--line-strong);
  background:rgba(255,255,255,.05);
  -webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.16),var(--shadow-1);
  padding:44px 44px;
  display:flex;align-items:center;justify-content:space-between;gap:36px;flex-wrap:wrap;
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-3.png');
  background-size:cover;background-position:center;
  opacity:.9;filter:saturate(.8);pointer-events:none;
}
.cta-band::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:linear-gradient(100deg,rgba(7,12,22,.94),rgba(7,12,22,.82));
}
.cta-band > *{position:relative;z-index:2}
.cta-band h2{font-size:clamp(21px,2.2vw,26px);font-weight:700;line-height:1.4}
.cta-band p{color:var(--text-2);font-size:14px;margin-top:10px;max-width:560px}
.cta-band__actions{display:flex;gap:14px;flex-wrap:wrap}

/* ---------- faq ---------- */
.faq{max-width:880px;margin:0 auto}
.faq-item{
  background:var(--bg-2);border:1px solid var(--line);border-radius:var(--r-sm);
  margin-bottom:12px;overflow:hidden;transition:border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.faq-item.is-open{border-color:rgba(56,189,248,.38);box-shadow:0 0 0 1px rgba(56,189,248,.12)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  min-height:60px;padding:14px 20px;text-align:left;
  font-size:15px;font-weight:600;color:var(--text-1);line-height:1.6;
  transition:color .22s var(--ease);
}
.faq-q:hover{color:var(--primary)}
.faq-q .icon{
  flex:0 0 26px;width:26px;height:26px;border-radius:50%;
  border:1px solid var(--line-strong);
  display:inline-flex;align-items:center;justify-content:center;
  font-size:12px;color:var(--primary);
  transition:transform .22s var(--ease),background .22s var(--ease);
}
.faq-item.is-open .faq-q .icon{transform:rotate(180deg);background:rgba(56,189,248,.14)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s var(--ease)}
.faq-a__inner{
  padding:0 20px 20px 22px;margin-left:20px;
  border-left:2px solid rgba(56,189,248,.5);
  color:var(--text-2);font-size:14px;line-height:1.9;
}

/* ---------- footer ---------- */
.site-footer{background:var(--bg-0);border-top:1px solid var(--line);padding:64px 0 0;margin-top:var(--sec)}
.footer-brand .brand__mark{font-size:18px}
.footer-brand p{font-size:13px;color:var(--text-2);line-height:1.85;margin-top:14px;max-width:300px}
.footer-col h4{font-size:14px;font-weight:700;color:#fff;letter-spacing:.04em;margin-bottom:16px}
.footer-links li + li{margin-top:12px}
.footer-links a{font-size:14px;color:var(--text-2);display:inline-block;transition:color .22s var(--ease),transform .22s var(--ease)}
.footer-links a:hover{color:var(--primary);transform:translateX(2px)}
.footer-contact li{display:flex;gap:10px;font-size:14px;color:var(--text-2);margin-bottom:12px;line-height:1.7}
.footer-contact i{color:var(--primary);font-size:13px;margin-top:6px;flex:0 0 auto}
.footer-bottom{
  margin-top:48px;border-top:1px solid var(--line);padding:20px 0 26px;
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:12px;color:var(--text-3);
}
.footer-bottom a{color:var(--text-3)}
.footer-bottom a:hover{color:var(--primary)}

/* ---------- responsive ---------- */
@media (max-width:1024px){
  :root{--sec:64px}
  .wrap{padding:0 20px}
  .brand-bar__mid{display:none}
  .hero__grid{grid-template-columns:1fr;gap:44px}
  .hero{padding-top:52px}
  .float-card{left:auto;right:16px;bottom:-24px;width:210px}
  .channel-cards{grid-template-columns:1fr}
  .channel-card{height:88px}
  .assure{grid-template-columns:repeat(2,1fr)}
  .assure__item + .assure__item::before{display:none}
  .assure__item:nth-child(even){border-left:1px solid var(--line)}
  .assure__item:nth-child(n+3){border-top:1px solid var(--line)}
  .review-card{flex:0 0 calc((100% - 20px)/2)}
  .cta-band{padding:34px 28px}
}
@media (max-width:900px){
  .search-box{width:38px;padding:0;justify-content:center;flex:0 0 38px}
  .search-box input{display:none}
  .brand-bar__inner{gap:14px}
}
@media (max-width:640px){
  :root{--sec:44px}
  .wrap{padding:0 16px}
  body{font-size:15px}
  .brand-bar__inner{height:56px}
  .brand__mark{font-size:16px}
  .brand__sub{display:none}
  .brand-tools{gap:10px}
  .tool-phone span{display:none}
  .channel-bar__inner{height:44px}
  .hero h1{margin-top:16px}
  .hero__actions .btn{flex:1 1 100%}
  .float-card{position:static;width:100%;margin-top:16px}
  .promo-card__stats{gap:10px}
  .review-card{flex:0 0 86%}
  .review-arrows{display:none}
  .cta-band{padding:28px 20px;border-radius:var(--r-md)}
  .cta-band__actions{width:100%}
  .cta-band__actions .btn{flex:1 1 100%}
  .footer-bottom{flex-direction:column;gap:8px}
  .faq-a__inner{margin-left:14px;padding-left:16px}
  .section-hd{margin-bottom:24px}
  .site-footer{margin-top:var(--sec);padding-top:44px}
}

/* roulang page: article */
:root{
  --bg-0:#070C16;
  --bg-1:#0A1120;
  --bg-2:#0E1729;
  --bg-3:#121E33;
  --primary:#38BDF8;
  --primary-deep:#1D6FA5;
  --violet:#7C6CFF;
  --action:#FFB347;
  --text-1:#E8EEF7;
  --text-2:#9FB0C7;
  --text-3:#64748B;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.14);
  --glass:rgba(255,255,255,.05);
  --radius-s:10px;
  --radius-m:16px;
  --radius-l:24px;
  --shadow-1:0 8px 24px rgba(0,0,0,.35);
  --shadow-2:0 16px 40px rgba(0,0,0,.5);
  --ease:cubic-bezier(.22,.61,.36,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--bg-1);
  color:var(--text-2);
  font-family:'PingFang SC','Microsoft YaHei','Source Han Sans SC',system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.85;
  letter-spacing:-.01em;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;transition:color 200ms var(--ease);}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p,figure,blockquote{margin:0;}
button,input{font-family:inherit;font-size:inherit;}
button{cursor:pointer;}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:4px;}
.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
.grid-container{max-width:1200px;}
.grid-x{width:100%;}

/* ============ HEADER ============ */
.site-header{position:sticky;top:0;z-index:60;}
.brand-bar{
  background:rgba(10,15,28,.72);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  border-bottom:1px solid rgba(255,255,255,.07);
  transition:background 240ms var(--ease),box-shadow 240ms var(--ease);
}
.site-header.is-scrolled .brand-bar{background:rgba(7,12,22,.92);box-shadow:0 10px 30px rgba(0,0,0,.45);}
.brand-bar__inner{display:flex;align-items:center;gap:24px;height:64px;}
.brand{display:flex;align-items:baseline;gap:10px;flex-shrink:0;}
.brand__mark{font-size:20px;font-weight:800;color:var(--text-1);letter-spacing:-.01em;line-height:1.2;}
.brand__sub{font-size:12px;color:var(--text-3);letter-spacing:.02em;white-space:nowrap;}
.brand-bar__mid{flex:1;font-size:13px;color:var(--text-3);letter-spacing:.02em;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.brand-tools{display:flex;align-items:center;gap:16px;margin-left:auto;}
.search-box{
  display:flex;align-items:center;gap:8px;
  height:38px;padding:0 12px;
  background:var(--bg-2);border:1px solid var(--line);border-radius:var(--radius-s);
  transition:border-color 200ms var(--ease),box-shadow 200ms var(--ease);
}
.search-box:focus-within{border-color:rgba(56,189,248,.5);box-shadow:0 0 0 3px rgba(56,189,248,.18);}
.search-box i{font-size:12px;color:var(--text-3);}
.search-box input{
  width:172px;height:100%;border:0;background:transparent;color:var(--text-1);
  font-size:13px;outline:none;
}
.search-box input::placeholder{color:var(--text-3);}
.tool-link{font-size:13px;color:var(--text-2);white-space:nowrap;}
.tool-link:hover{color:var(--primary);}
.tool-phone{display:flex;align-items:center;gap:6px;font-size:13px;font-weight:600;color:var(--primary);white-space:nowrap;}
.tool-phone i{font-size:12px;}
.tool-phone:hover{color:#7FD8FF;}
.channel-bar{
  background:rgba(10,17,32,.86);
  -webkit-backdrop-filter:blur(10px);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.channel-bar__inner{display:flex;align-items:center;gap:6px;height:52px;overflow-x:auto;scrollbar-width:none;}
.channel-bar__inner::-webkit-scrollbar{display:none;}
.channel{
  position:relative;flex-shrink:0;
  padding:8px 14px;border-radius:var(--radius-s);
  font-size:14px;color:var(--text-2);white-space:nowrap;
  transition:background 200ms var(--ease),color 200ms var(--ease);
}
.channel:hover{background:rgba(255,255,255,.06);color:var(--text-1);}
.channel.is-active{color:var(--text-1);font-weight:600;}
.channel.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;
  border-radius:2px;background:var(--primary);
  box-shadow:0 6px 14px rgba(56,189,248,.4);
}

/* ============ 页面头部 ============ */
.page-head{padding:34px 0 0;}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:12px;color:var(--text-3);}
.crumbs a{color:var(--text-3);}
.crumbs a:hover{color:var(--primary);}
.crumbs .sep{opacity:.45;}
.crumbs .current{color:var(--text-2);max-width:520px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.article-title{
  margin:18px 0 20px;
  font-size:clamp(24px,3vw,38px);
  line-height:1.35;font-weight:800;color:var(--text-1);
}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px;
  padding-bottom:22px;border-bottom:1px solid var(--line);
  font-size:13px;color:var(--text-3);
}
.badge{
  display:inline-flex;align-items:center;
  padding:3px 10px;border-radius:999px;
  font-size:12px;font-weight:500;letter-spacing:.02em;
  color:var(--primary);background:rgba(56,189,248,.12);
  border:1px solid rgba(56,189,248,.28);
}
.badge--violet{color:#B7AEFF;background:rgba(124,108,255,.14);border-color:rgba(124,108,255,.3);}
.meta-dot{width:3px;height:3px;border-radius:50%;background:var(--text-3);opacity:.7;}

/* ============ 主体布局 ============ */
.article-shell{
  display:grid;grid-template-columns:minmax(0,1fr) 300px;
  gap:48px;padding:36px 0 88px;align-items:start;
}
.article-main{min-width:0;}
.article-body{
  max-width:820px;font-size:16px;line-height:1.9;color:var(--text-2);
  overflow-wrap:break-word;word-break:break-word;
}
.article-body p{margin:0 0 1.1em;}
.article-body h2{
  position:relative;
  margin:40px 0 16px;padding-left:14px;
  font-size:22px;line-height:1.45;font-weight:700;color:var(--text-1);
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:5px;bottom:5px;
  width:4px;border-radius:2px;background:var(--primary);
  box-shadow:0 0 12px rgba(56,189,248,.45);
}
.article-body h3{margin:28px 0 12px;font-size:18px;line-height:1.5;font-weight:700;color:var(--text-1);}
.article-body h4{margin:22px 0 10px;font-size:16px;font-weight:700;color:var(--text-1);}
.article-body a{color:var(--primary);text-decoration:underline;text-underline-offset:3px;}
.article-body a:hover{color:#7FD8FF;}
.article-body ul,.article-body ol{margin:0 0 1.1em;padding-left:1.4em;}
.article-body ul li{list-style:disc;margin-bottom:.5em;line-height:1.85;}
.article-body ol li{list-style:decimal;margin-bottom:.5em;line-height:1.85;}
.article-body li::marker{color:var(--primary);}
.article-body blockquote{
  margin:26px 0;padding:18px 22px;
  background:var(--glass);
  -webkit-backdrop-filter:blur(18px);
  backdrop-filter:blur(18px);
  border-left:3px solid var(--primary);
  border-radius:12px;
  color:var(--text-1);font-size:15px;line-height:1.85;
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{border-radius:12px;margin:24px auto;width:100%;height:auto;}
.article-body figure{margin:24px 0;}
.article-body figcaption{
  margin-top:10px;text-align:center;font-size:12px;color:var(--text-3);
}
.article-body strong{color:var(--text-1);font-weight:700;}
.article-body code{
  padding:2px 6px;border-radius:6px;background:var(--bg-3);
  color:#9BE1FF;font-size:14px;
}
.article-body table{
  display:block;width:100%;max-width:100%;overflow-x:auto;
  margin:24px 0;border-collapse:collapse;
  border:1px solid var(--line);border-radius:12px;background:var(--bg-2);
}
.article-body thead{background:var(--bg-3);}
.article-body th{
  padding:12px 14px;font-size:14px;font-weight:600;color:var(--text-1);
  text-align:left;border-bottom:1px solid var(--line);white-space:nowrap;
}
.article-body td{
  padding:12px 14px;font-size:14px;color:var(--text-2);
  border-bottom:1px solid var(--line);
}
.article-body tbody tr:nth-child(even) td{background:rgba(255,255,255,.02);}
.article-body hr{border:0;border-top:1px solid var(--line);margin:32px 0;}

/* 空态 */
.empty-state{
  margin:8px 0 0;padding:56px 24px;text-align:center;
  background:var(--bg-2);border:1px dashed var(--line-strong);
  border-radius:var(--radius-m);
}
.empty-state i{font-size:36px;color:var(--text-3);}
.empty-state h2{margin:16px 0 8px;padding:0;font-size:18px;color:var(--text-1);}
.empty-state h2::before{display:none;}
.empty-state p{font-size:14px;color:var(--text-3);margin-bottom:22px;}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border-radius:var(--radius-s);
  font-size:14px;font-weight:600;letter-spacing:.01em;
  border:1px solid transparent;
  transition:transform 220ms var(--ease),box-shadow 220ms var(--ease),background 220ms var(--ease),filter 220ms var(--ease),border-color 220ms var(--ease);
}
.btn-primary{
  background:var(--action);color:#22160A;
  box-shadow:0 8px 24px rgba(255,179,71,.24);
}
.btn-primary:hover{filter:brightness(1.08);transform:translateY(-1px);box-shadow:0 12px 32px rgba(255,179,71,.34);}
.btn-primary:active{transform:translateY(0);box-shadow:0 6px 16px rgba(255,179,71,.2);}
.btn-primary:disabled{opacity:.45;cursor:not-allowed;transform:none;box-shadow:none;filter:none;}
.btn-ghost{
  background:rgba(255,255,255,.03);border-color:var(--line-strong);color:var(--text-1);
}
.btn-ghost:hover{background:rgba(255,255,255,.08);transform:translateY(-1px);}
.btn-ghost:active{transform:translateY(0);}
.btn-ghost:disabled{opacity:.4;cursor:not-allowed;transform:none;}
.btn-block{width:100%;}
.btn-sm{height:38px;padding:0 16px;font-size:13px;}

/* ============ 侧栏 ============ */
.sidebar{position:sticky;top:96px;display:flex;flex-direction:column;gap:24px;}
.side-card{
  padding:20px;background:var(--bg-2);
  border:1px solid var(--line);border-radius:var(--radius-m);
  box-shadow:var(--shadow-1);
}
.side-title{
  display:flex;align-items:center;gap:8px;
  margin-bottom:16px;font-size:15px;font-weight:700;color:var(--text-1);
}
.side-title::before{
  content:"";width:3px;height:14px;border-radius:2px;
  background:var(--primary);box-shadow:0 0 10px rgba(56,189,248,.5);
}
.toc-list{display:flex;flex-direction:column;gap:2px;}
.toc-list a{
  display:flex;align-items:center;gap:8px;
  padding:8px 10px;border-radius:8px;border-left:2px solid transparent;
  font-size:13px;line-height:1.6;color:var(--text-2);
  transition:all 200ms var(--ease);
}
.toc-list a::before{content:"";width:4px;height:4px;border-radius:50%;background:var(--text-3);}
.toc-list a:hover,.toc-list a.is-current{
  color:var(--primary);background:rgba(56,189,248,.08);border-left-color:var(--primary);
}
.toc-list a:hover::before,.toc-list a.is-current::before{background:var(--primary);}
.hot-list li{
  display:flex;gap:10px;align-items:flex-start;
  padding:11px 0;border-bottom:1px dashed var(--line);
}
.hot-list li:last-child{border-bottom:0;padding-bottom:0;}
.hot-list .num{
  min-width:18px;font-size:13px;font-weight:700;color:var(--primary);
  font-variant-numeric:tabular-nums;line-height:1.7;
}
.hot-list a{font-size:13px;line-height:1.65;color:var(--text-2);}
.hot-list a:hover{color:var(--primary);}
.consult-card{
  padding:22px;
  background:rgba(255,255,255,.05);
  -webkit-backdrop-filter:blur(18px);
  backdrop-filter:blur(18px);
  border:1px solid var(--line-strong);
  border-radius:var(--radius-m);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.14),var(--shadow-1);
}
.consult-card h3{font-size:15px;font-weight:700;color:var(--text-1);margin-bottom:8px;}
.consult-card p{font-size:13px;line-height:1.75;color:var(--text-3);margin-bottom:16px;}
.consult-card .phone-line{
  display:flex;align-items:center;gap:8px;margin-bottom:16px;
  font-size:14px;font-weight:700;color:var(--primary);
}
.toc-mobile{display:none;margin-bottom:24px;}
.toc-mobile summary{
  display:flex;align-items:center;justify-content:space-between;
  padding:14px 18px;font-size:14px;font-weight:600;color:var(--text-1);
  cursor:pointer;list-style:none;
  background:var(--bg-2);border:1px solid var(--line);border-radius:12px;
}
.toc-mobile summary::-webkit-details-marker{display:none;}
.toc-mobile summary::after{content:"＋";font-size:14px;color:var(--primary);}
.toc-mobile[open] summary::after{content:"－";}
.toc-mobile .toc-list{padding:12px 6px 6px;}

/* ============ 翻页 ============ */
.pager-row{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin:44px 0 26px;}
.pager{
  display:flex;flex-direction:column;gap:6px;
  padding:16px 18px;background:var(--bg-2);
  border:1px solid var(--line);border-radius:12px;
  transition:all 220ms var(--ease);
}
.pager .lbl{display:flex;align-items:center;gap:6px;font-size:12px;color:var(--text-3);}
.pager strong{
  font-size:14px;font-weight:600;color:var(--text-1);line-height:1.55;
  display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden;
}
.pager.is-next{text-align:right;align-items:flex-end;}
.pager:hover{border-color:rgba(255,255,255,.2);transform:translateY(-2px);box-shadow:var(--shadow-1);}
.pager:hover strong{color:var(--primary);}
.back-row{text-align:center;margin-bottom:8px;}

/* ============ 相关阅读 ============ */
.related{padding:0 0 88px;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:28px;}
.section-head h2{font-size:26px;line-height:1.35;font-weight:700;color:var(--text-1);}
.section-head .more{font-size:13px;color:var(--text-2);display:inline-flex;align-items:center;gap:6px;}
.section-head .more:hover{color:var(--primary);}
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.post-card{
  position:relative;display:flex;flex-direction:column;overflow:hidden;
  background:var(--bg-2);border:1px solid var(--line);border-radius:var(--radius-m);
  box-shadow:var(--shadow-1);
  transition:transform 220ms var(--ease),border-color 220ms var(--ease),box-shadow 220ms var(--ease);
}
.post-card::before{
  content:"";position:absolute;top:0;left:0;width:0;height:2px;
  background:var(--primary);transition:width 220ms var(--ease);
}
.post-card:hover{transform:translateY(-4px);border-color:rgba(255,255,255,.18);box-shadow:var(--shadow-2),0 0 0 1px rgba(56,189,248,.12);}
.post-card:hover::before{width:60%;}
.post-card__thumb{aspect-ratio:16/10;overflow:hidden;background:var(--bg-3);}
.post-card__thumb img{width:100%;height:100%;object-fit:cover;transition:transform 420ms var(--ease);}
.post-card:hover .post-card__thumb img{transform:scale(1.04);}
.post-card__body{display:flex;flex-direction:column;gap:10px;padding:18px;flex:1;}
.post-card__title{
  font-size:16px;font-weight:700;line-height:1.55;color:var(--text-1);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.post-card__desc{
  font-size:13px;line-height:1.7;color:var(--text-3);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.post-card__meta{margin-top:auto;display:flex;align-items:center;gap:10px;font-size:12px;color:var(--text-3);}

/* ============ CTA ============ */
.cta-band{padding:0 0 88px;}
.cta-card{
  position:relative;overflow:hidden;
  display:flex;align-items:center;justify-content:space-between;gap:32px;
  padding:40px;
  border:1px solid var(--line-strong);border-radius:var(--radius-l);
  background:rgba(255,255,255,.05);
  -webkit-backdrop-filter:blur(18px);
  backdrop-filter:blur(18px);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.14),var(--shadow-2);
}
.cta-card::after{
  content:"";position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;
  opacity:.14;z-index:0;pointer-events:none;
}
.cta-card>*{position:relative;z-index:1;}
.cta-card h2{font-size:26px;line-height:1.4;font-weight:700;color:var(--text-1);margin-bottom:10px;}
.cta-card p{font-size:14px;line-height:1.8;color:var(--text-2);max-width:560px;}
.cta-actions{display:flex;gap:14px;flex-shrink:0;flex-wrap:wrap;}

/* ============ 页脚 ============ */
.site-footer{background:var(--bg-0);border-top:1px solid var(--line);padding-top:56px;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px;padding-bottom:44px;}
.footer-brand .brand{margin-bottom:14px;}
.footer-brand p{font-size:13px;line-height:1.85;color:var(--text-3);max-width:330px;}
.footer-col h3{font-size:14px;font-weight:700;color:var(--text-1);margin-bottom:14px;letter-spacing:.02em;}
.footer-col a,.footer-col span{display:block;font-size:14px;color:var(--text-2);padding:6px 0;line-height:1.6;}
.footer-col a:hover{color:var(--primary);transform:translateX(2px);}
.footer-col .info-line{display:flex;align-items:center;gap:8px;color:var(--text-2);}
.footer-col .info-line i{font-size:12px;color:var(--primary);}
.footer-bottom{
  border-top:1px solid var(--line);padding:20px 0 26px;
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:13px;color:var(--text-3);
}

/* ============ 响应式 ============ */
@media screen and (max-width:1024px){
  .wrap{padding:0 20px;}
  .article-shell{grid-template-columns:minmax(0,1fr);gap:32px;padding-bottom:64px;}
  .sidebar{position:static;}
  .toc-mobile{display:block;}
  .sidebar .side-card--toc{display:none;}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .brand-bar__mid{display:none;}
  .search-box input{width:120px;}
  .related,.cta-band{padding-bottom:64px;}
  .cta-card{flex-direction:column;align-items:flex-start;padding:32px;}
}
@media screen and (max-width:640px){
  .wrap{padding:0 16px;}
  .brand-bar__inner{height:56px;gap:12px;}
  .brand__mark{font-size:17px;}
  .brand__sub{display:none;}
  .brand-tools{gap:12px;}
  .search-box{padding:0 10px;width:38px;justify-content:center;}
  .search-box input{display:none;}
  .tool-phone span{display:none;}
  .channel-bar__inner{height:48px;}
  .page-head{padding-top:24px;}
  .article-title{font-size:clamp(22px,6vw,28px);}
  .article-meta{font-size:12px;gap:8px;}
  .article-body{font-size:15px;line-height:1.85;}
  .article-body h2{font-size:19px;margin-top:32px;}
  .article-body h3{font-size:16px;}
  .card-grid{grid-template-columns:minmax(0,1fr);}
  .pager-row{grid-template-columns:minmax(0,1fr);}
  .pager.is-next{text-align:left;align-items:flex-start;}
  .footer-grid{grid-template-columns:minmax(0,1fr);gap:26px;}
  .footer-bottom{flex-direction:column;gap:8px;}
  .cta-card{padding:26px;}
  .cta-card h2{font-size:21px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{width:100%;}
  .related,.cta-band{padding-bottom:44px;}
  .section-head{flex-direction:column;align-items:flex-start;gap:8px;}
  .section-head h2{font-size:22px;}
  .empty-state{padding:40px 18px;}
}

/* roulang page: category1 */
:root{
  --bg-0:#070C16;
  --bg-1:#0A1120;
  --bg-2:#0E1729;
  --bg-3:#121E33;
  --primary:#38BDF8;
  --primary-deep:#1D6FA5;
  --violet:#7C6CFF;
  --action:#FFB347;
  --text-1:#E8EEF7;
  --text-2:#9FB0C7;
  --text-3:#64748B;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.14);
  --ok:#34D399;
  --warn:#F87171;
  --r-sm:4px;
  --r-md:10px;
  --r-lg:16px;
  --r-xl:24px;
  --shadow-card:0 8px 24px rgba(0,0,0,.35);
  --shadow-hover:0 16px 40px rgba(0,0,0,.5);
  --ease:cubic-bezier(.22,.61,.36,1);
  --gap-section:88px;
  --font-cn:'PingFang SC','Microsoft YaHei','Source Han Sans SC',system-ui,-apple-system,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.85;
  color:var(--text-1);
  background:var(--bg-1);
  background-image:radial-gradient(1100px 520px at 12% -8%,rgba(56,189,248,.10),transparent 62%),
                   radial-gradient(900px 480px at 96% 12%,rgba(124,108,255,.08),transparent 60%);
  background-repeat:no-repeat;
  letter-spacing:-.01em;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:var(--primary);text-decoration:none;transition:color .2s var(--ease);}
a:hover{color:#7DD3FC;}
button{font-family:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
p{margin:0 0 1.1em;}
h1,h2,h3,h4{margin:0;color:var(--text-1);font-weight:700;line-height:1.35;letter-spacing:-.01em;}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:6px;}
::selection{background:rgba(56,189,248,.28);color:#fff;}
.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:120;
  background:rgba(7,12,22,.82);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
  transition:background .3s var(--ease),box-shadow .3s var(--ease);
}
.site-header.is-scrolled{background:rgba(7,12,22,.95);box-shadow:0 10px 30px rgba(0,0,0,.45);}
.brand-bar__inner{
  display:flex;align-items:center;gap:24px;
  min-height:64px;
}
.brand{display:flex;align-items:baseline;gap:10px;min-width:0;color:var(--text-1);}
.brand:hover{color:var(--text-1);}
.brand__mark{
  font-size:19px;font-weight:800;letter-spacing:-.02em;white-space:nowrap;
  background:linear-gradient(92deg,#E8EEF7 32%,#8ED8FA 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.brand__sub{font-size:11px;color:var(--text-3);letter-spacing:.06em;white-space:nowrap;}
.brand-bar__mid{
  font-size:12px;color:var(--text-3);letter-spacing:.08em;
  padding-left:20px;border-left:1px solid var(--line);white-space:nowrap;
}
.brand-tools{display:flex;align-items:center;gap:16px;margin-left:auto;}
.search-box{
  display:flex;align-items:center;gap:8px;
  height:38px;padding:0 12px;
  background:rgba(255,255,255,.04);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease);
}
.search-box i{font-size:13px;color:var(--text-3);}
.search-box input{
  width:170px;height:100%;border:0;background:transparent;color:var(--text-1);
  font-size:13px;font-family:inherit;outline:none;
}
.search-box input::placeholder{color:var(--text-3);}
.search-box:focus-within{border-color:rgba(56,189,248,.55);background:rgba(56,189,248,.06);box-shadow:0 0 0 3px rgba(56,189,248,.14);}
.tool-link{font-size:13px;color:var(--text-2);}
.tool-link:hover{color:var(--primary);}
.tool-phone{display:flex;align-items:center;gap:7px;font-size:13px;color:var(--text-1);font-weight:600;}
.tool-phone i{color:var(--action);font-size:12px;}
.tool-phone:hover{color:var(--action);}
.channel-bar{border-top:1px solid var(--line);}
.channel-bar__inner{
  display:flex;align-items:center;gap:4px;
  height:50px;overflow-x:auto;overflow-y:hidden;
  scrollbar-width:none;-ms-overflow-style:none;
}
.channel-bar__inner::-webkit-scrollbar{display:none;}
.channel{
  position:relative;flex:0 0 auto;
  padding:8px 14px;border-radius:var(--r-md);
  font-size:14px;color:var(--text-2);
  transition:color .2s var(--ease),background .2s var(--ease);
}
.channel:hover{color:var(--text-1);background:rgba(255,255,255,.06);}
.channel.is-active{color:var(--text-1);font-weight:600;}
.channel.is-active::after{
  content:"";position:absolute;left:50%;bottom:-2px;transform:translateX(-50%);
  width:24px;height:2px;border-radius:2px;background:var(--primary);
  box-shadow:0 6px 14px rgba(56,189,248,.4);
}

/* ---------- Hero ---------- */
.page-hero{position:relative;overflow:hidden;background:var(--bg-1);border-bottom:1px solid var(--line);}
.page-hero__bg{position:absolute;inset:0;background-image:url('/assets/images/backpic/back-1.png');background-size:cover;background-position:center;opacity:.15;}
.page-hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px);
  background-size:24px 24px;
  -webkit-mask-image:radial-gradient(ellipse at 26% 18%,#000 12%,transparent 72%);
  mask-image:radial-gradient(ellipse at 26% 18%,#000 12%,transparent 72%);
}
.page-hero__inner{position:relative;z-index:2;padding-top:34px;padding-bottom:72px;}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:12px;color:var(--text-3);margin-bottom:26px;}
.breadcrumb a{color:var(--text-3);}
.breadcrumb a:hover{color:var(--primary);}
.breadcrumb span{color:rgba(255,255,255,.22);}
.page-hero__grid{display:grid;grid-template-columns:1.5fr .9fr;gap:56px;align-items:center;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;letter-spacing:.1em;color:var(--primary);
  padding:5px 12px;border:1px solid rgba(56,189,248,.32);border-radius:999px;
  background:rgba(56,189,248,.08);margin-bottom:20px;
}
.eyebrow::before{content:"";width:5px;height:5px;border-radius:50%;background:var(--primary);}
.page-hero h1{
  font-size:clamp(28px,3.6vw,42px);font-weight:800;line-height:1.25;letter-spacing:-.02em;
  margin-bottom:18px;
}
.page-hero h1 em{font-style:normal;color:#8ED8FA;position:relative;}
.page-hero h1 em::after{
  content:"";position:absolute;left:0;right:0;bottom:-4px;height:3px;border-radius:3px;
  background:linear-gradient(90deg,rgba(56,189,248,.9),rgba(56,189,248,0));
}
.lede{font-size:16px;color:var(--text-2);max-width:600px;margin-bottom:28px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;}
.hero-card{
  padding:28px;border-radius:var(--r-xl);
  background:rgba(255,255,255,.05);
  backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);
  border:1px solid var(--line-strong);
  box-shadow:var(--shadow-card),inset 0 1px 0 rgba(255,255,255,.16);
}
.hero-card h2{font-size:15px;font-weight:600;letter-spacing:.04em;color:var(--text-2);margin-bottom:18px;}
.hero-card ul{display:grid;gap:14px;}
.hero-card li{display:flex;gap:10px;font-size:14px;color:var(--text-1);line-height:1.7;}
.hero-card li i{color:var(--ok);font-size:12px;margin-top:7px;}
.hero-card__note{margin:20px 0 0;padding-top:16px;border-top:1px solid var(--line);font-size:12px;color:var(--text-3);line-height:1.7;}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border-radius:var(--r-md);
  font-size:15px;font-weight:600;font-family:inherit;
  border:1px solid transparent;cursor:pointer;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease),border-color .2s var(--ease),color .2s var(--ease),filter .2s var(--ease);
}
.btn i{font-size:13px;}
.btn--action{
  background:linear-gradient(180deg,#FFC46B,#FFB347);
  color:#20160A;
  box-shadow:0 0 0 1px rgba(255,179,71,.45),0 8px 24px rgba(255,179,71,.24);
}
.btn--action:hover{filter:brightness(1.07);transform:translateY(-1px);box-shadow:0 0 0 1px rgba(255,179,71,.6),0 10px 32px rgba(255,179,71,.34);color:#20160A;}
.btn--action:active{transform:translateY(1px);box-shadow:0 0 0 1px rgba(255,179,71,.45),0 4px 14px rgba(255,179,71,.2);}
.btn--ghost{
  background:rgba(255,255,255,.03);color:var(--text-1);
  border-color:rgba(56,189,248,.45);
}
.btn--ghost:hover{background:rgba(255,255,255,.08);border-color:rgba(56,189,248,.75);color:var(--text-1);transform:translateY(-1px);}
.btn--ghost:active{transform:translateY(1px);background:rgba(255,255,255,.05);}
.btn--plain{
  background:transparent;color:var(--primary);border-color:var(--line);
}
.btn--plain:hover{background:rgba(56,189,248,.1);border-color:rgba(56,189,248,.5);color:#7DD3FC;}
.btn[disabled],.btn.is-disabled{opacity:.45;cursor:not-allowed;transform:none;box-shadow:none;filter:none;}

/* ---------- Section base ---------- */
.section{padding:var(--gap-section) 0;}
.section--tight{padding-top:64px;}
.section--alt{background:linear-gradient(180deg,rgba(14,23,41,.75),rgba(10,17,32,0));border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px;}
.section-head h2{font-size:28px;font-weight:700;letter-spacing:-.02em;}
.section-head p{margin:10px 0 0;font-size:14px;color:var(--text-2);max-width:620px;}
.section-head .more{font-size:14px;color:var(--primary);white-space:nowrap;display:inline-flex;align-items:center;gap:6px;}
.section-head .more:hover{color:#7DD3FC;gap:10px;}

/* ---------- Split blocks ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;}
.split + .split{margin-top:80px;}
.split__media{position:relative;border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow-card);}
.split__media img{width:100%;aspect-ratio:16/10;object-fit:cover;}
.split__media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(7,12,22,0) 45%,rgba(7,12,22,.55));}
.split__badge{
  position:absolute;left:16px;top:16px;z-index:2;
  font-size:12px;font-weight:600;letter-spacing:.04em;color:#0A1120;
  background:rgba(56,189,248,.92);padding:4px 10px;border-radius:var(--r-sm);
}
.split__body h3{font-size:22px;margin-bottom:16px;letter-spacing:-.01em;}
.split__body p{color:var(--text-2);font-size:15px;}
.check-list{display:grid;gap:14px;margin-top:8px;}
.check-list li{
  display:flex;gap:12px;font-size:14px;color:var(--text-2);line-height:1.75;
  padding:12px 14px;border-radius:var(--r-md);
  background:var(--bg-2);border:1px solid var(--line);
  transition:border-color .22s var(--ease),transform .22s var(--ease),box-shadow .22s var(--ease);
}
.check-list li:hover{transform:translateY(-2px);border-color:var(--line-strong);box-shadow:var(--shadow-card);}
.check-list strong{color:var(--text-1);font-weight:600;}
.check-list .dot{
  flex:0 0 auto;width:22px;height:22px;border-radius:50%;
  display:inline-flex;align-items:center;justify-content:center;
  font-size:11px;color:var(--primary);
  background:rgba(56,189,248,.12);border:1px solid rgba(56,189,248,.3);
  margin-top:3px;
}

/* ---------- Timeline ---------- */
.timeline-wrap{
  background:var(--bg-2);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:44px 40px;box-shadow:var(--shadow-card);
}
.timeline{position:relative;padding-left:30px;}
.timeline::before{
  content:"";position:absolute;left:6px;top:10px;bottom:14px;width:2px;
  background:linear-gradient(180deg,rgba(56,189,248,.65),rgba(56,189,248,.12) 70%,rgba(56,189,248,0));
}
.timeline__item{position:relative;padding-bottom:34px;}
.timeline__item:last-child{padding-bottom:0;}
.timeline__item::before{
  content:"";position:absolute;left:-30px;top:7px;width:12px;height:12px;border-radius:50%;
  background:var(--bg-1);border:2px solid var(--primary);
  box-shadow:0 0 0 4px rgba(56,189,248,.12);
}
.timeline__step{font-size:12px;letter-spacing:.12em;color:var(--primary);font-weight:600;display:block;margin-bottom:6px;}
.timeline__item h4{font-size:17px;font-weight:600;margin-bottom:8px;}
.timeline__item p{margin:0;font-size:14px;color:var(--text-2);line-height:1.8;}

/* ---------- Stats ---------- */
.stats{
  display:grid;grid-template-columns:repeat(4,1fr);gap:1px;
  background:var(--line);border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;
}
.stat{background:var(--bg-2);padding:32px 22px;text-align:center;transition:background .22s var(--ease);}
.stat:hover{background:var(--bg-3);}
.stat__num{
  display:block;font-size:32px;font-weight:800;letter-spacing:-.02em;line-height:1.1;
  background:linear-gradient(92deg,#E8EEF7,#7DD3FC);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.stat__num small{font-size:14px;font-weight:600;margin-left:2px;}
.stat__label{display:block;margin-top:10px;font-size:13px;color:var(--text-3);}

/* ---------- FAQ ---------- */
.faq{max-width:880px;margin:0 auto;}
.faq__item{
  background:var(--bg-2);border:1px solid var(--line);border-radius:var(--r-md);
  margin-bottom:12px;overflow:hidden;
  transition:border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.faq__item:hover{border-color:var(--line-strong);}
.faq__item[open]{border-color:rgba(56,189,248,.35);box-shadow:0 8px 24px rgba(0,0,0,.28);}
.faq__item summary{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  min-height:60px;padding:16px 22px;cursor:pointer;list-style:none;
  font-size:15px;font-weight:600;color:var(--text-1);
  transition:color .2s var(--ease);
}
.faq__item summary::-webkit-details-marker{display:none;}
.faq__item summary::after{
  content:"+";flex:0 0 auto;width:26px;height:26px;border-radius:50%;
  display:inline-flex;align-items:center;justify-content:center;
  font-size:16px;font-weight:500;color:var(--primary);
  border:1px solid rgba(56,189,248,.32);background:rgba(56,189,248,.08);
  transition:transform .22s var(--ease),background .22s var(--ease);
}
.faq__item[open] summary::after{content:"−";transform:rotate(180deg);background:rgba(56,189,248,.18);}
.faq__body{padding:0 22px 20px;border-left:2px solid var(--primary);margin-left:22px;padding-left:18px;}
.faq__body p{margin:0;font-size:14px;color:var(--text-2);line-height:1.85;}
.faq__body p + p{margin-top:10px;}

/* ---------- Read cards ---------- */
.read-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.post-card{
  position:relative;display:flex;flex-direction:column;
  background:var(--bg-2);border:1px solid var(--line);border-radius:var(--r-lg);
  overflow:hidden;box-shadow:var(--shadow-card);
  transition:transform .22s var(--ease),border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.post-card::before{
  content:"";position:absolute;top:0;left:50%;transform:translateX(-50%);
  height:2px;width:0;background:linear-gradient(90deg,transparent,var(--primary),transparent);
  transition:width .28s var(--ease);z-index:3;
}
.post-card:hover{transform:translateY(-4px);border-color:rgba(255,255,255,.18);box-shadow:var(--shadow-hover);}
.post-card:hover::before{width:60%;}
.post-card__media{position:relative;overflow:hidden;}
.post-card__media img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .35s var(--ease);}
.post-card:hover .post-card__media img{transform:scale(1.04);}
.post-card__tag{
  position:absolute;left:12px;top:12px;z-index:2;
  font-size:11px;font-weight:600;letter-spacing:.04em;
  color:#C9E9FB;background:rgba(10,17,32,.78);border:1px solid rgba(56,189,248,.3);
  padding:3px 9px;border-radius:var(--r-sm);backdrop-filter:blur(6px);
}
.post-card__body{padding:20px 20px 18px;display:flex;flex-direction:column;flex:1;}
.post-card h3{
  font-size:16px;font-weight:600;line-height:1.5;margin-bottom:10px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.post-card h3 a{color:var(--text-1);}
.post-card h3 a:hover{color:var(--primary);}
.post-card p{
  font-size:13px;color:var(--text-3);line-height:1.75;margin:0 0 16px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.post-card__meta{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  margin-top:auto;padding-top:14px;border-top:1px solid var(--line);
  font-size:12px;color:var(--text-3);
}
.post-card__meta .go{color:var(--primary);display:inline-flex;align-items:center;gap:5px;font-size:12px;}
.post-card__meta .go:hover{gap:9px;}

/* ---------- CTA band ---------- */
.cta-band{
  position:relative;overflow:hidden;border-radius:var(--r-xl);
  border:1px solid var(--line-strong);
  background:rgba(255,255,255,.05);
  backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);
  box-shadow:var(--shadow-card),inset 0 1px 0 rgba(255,255,255,.14);
}
.cta-band__bg{
  position:absolute;inset:0;background-image:url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;opacity:.22;
}
.cta-band__inner{
  position:relative;z-index:2;
  display:flex;align-items:center;justify-content:space-between;gap:36px;
  padding:44px 48px;
}
.cta-band h2{font-size:24px;margin-bottom:10px;}
.cta-band p{margin:0;font-size:14px;color:var(--text-2);max-width:560px;}
.cta-band__actions{display:flex;gap:14px;flex-wrap:wrap;flex:0 0 auto;}

/* ---------- Footer ---------- */
.site-footer{background:var(--bg-0);border-top:1px solid var(--line);padding-top:64px;margin-top:var(--gap-section);}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:48px;}
.footer-brand .brand__mark{font-size:18px;}
.footer-brand p{margin:18px 0 0;font-size:13px;color:var(--text-3);line-height:1.85;max-width:300px;}
.footer-phone{display:inline-flex;align-items:center;gap:9px;margin-top:18px;font-size:16px;font-weight:700;color:var(--text-1);}
.footer-phone i{color:var(--action);font-size:13px;}
.footer-phone:hover{color:var(--action);}
.footer-col h4{font-size:13px;font-weight:600;letter-spacing:.08em;color:var(--text-3);margin-bottom:18px;}
.footer-col ul{display:grid;gap:12px;}
.footer-col a{font-size:14px;color:var(--text-2);display:inline-block;transition:color .2s var(--ease),transform .2s var(--ease);}
.footer-col a:hover{color:var(--primary);transform:translateX(2px);}
.footer-info li{font-size:13px;color:var(--text-2);line-height:1.8;display:flex;gap:9px;}
.footer-info i{color:var(--primary);font-size:12px;margin-top:7px;}
.footer-bottom{
  border-top:1px solid var(--line);padding:22px 0 28px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:12px;color:var(--text-3);
}
.footer-bottom a{color:var(--text-3);}
.footer-bottom a:hover{color:var(--primary);}

/* ---------- Responsive ---------- */
@media (max-width:1024px){
  :root{--gap-section:64px;}
  .brand-bar__mid{display:none;}
  .search-box input{width:120px;}
  .page-hero__grid{grid-template-columns:1fr;gap:32px;}
  .split{grid-template-columns:1fr;gap:32px;}
  .split + .split{margin-top:56px;}
  .split--reverse .split__media{order:-1;}
  .read-grid{grid-template-columns:repeat(2,1fr);}
  .stats{grid-template-columns:repeat(2,1fr);}
  .cta-band__inner{flex-direction:column;align-items:flex-start;padding:36px 32px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .timeline-wrap{padding:32px 26px;}
}
@media (max-width:640px){
  :root{--gap-section:44px;}
  .wrap{padding:0 16px;}
  .brand-bar__inner{min-height:56px;gap:12px;}
  .brand__mark{font-size:16px;}
  .brand__sub{display:none;}
  .search-box{padding:0;width:36px;height:36px;justify-content:center;border-color:transparent;background:transparent;}
  .search-box input{display:none;}
  .search-box i{font-size:15px;color:var(--text-2);}
  .tool-link{display:none;}
  .tool-phone span{display:none;}
  .tool-phone{width:36px;height:36px;justify-content:center;border:1px solid var(--line);border-radius:var(--r-md);}
  .channel-bar__inner{height:46px;}
  .channel{font-size:13px;padding:7px 12px;}
  .page-hero__inner{padding-top:24px;padding-bottom:52px;}
  .page-hero h1{font-size:26px;}
  .lede{font-size:15px;}
  .hero-actions .btn{width:100%;}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px;margin-bottom:28px;}
  .section-head h2{font-size:22px;}
  .split__body h3{font-size:19px;}
  .stats{grid-template-columns:repeat(2,1fr);}
  .stat{padding:24px 14px;}
  .stat__num{font-size:26px;}
  .read-grid{grid-template-columns:1fr;}
  .faq__item summary{font-size:14px;padding:14px 16px;}
  .faq__body{margin-left:16px;padding:0 16px 18px 14px;}
  .cta-band__inner{padding:28px 22px;}
  .cta-band h2{font-size:20px;}
  .cta-band__actions .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding-bottom:36px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px;}
  .timeline-wrap{padding:26px 20px;}
}

/* roulang page: category2 */
:root{
  --bg-0:#070C16;
  --bg-1:#0A1120;
  --bg-2:#0E1729;
  --bg-3:#121E33;
  --primary:#38BDF8;
  --primary-deep:#1D6FA5;
  --violet:#7C6CFF;
  --action:#FFB347;
  --text-1:#E8EEF7;
  --text-2:#9FB0C7;
  --text-3:#64748B;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.14);
  --ok:#34D399;
  --warn:#F87171;
  --r-sm:4px;
  --r-md:10px;
  --r-lg:16px;
  --r-xl:24px;
  --shadow-1:0 8px 24px rgba(0,0,0,.35);
  --shadow-2:0 16px 40px rgba(0,0,0,.5);
  --ease:cubic-bezier(.22,.61,.36,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:'PingFang SC','Microsoft YaHei','Source Han Sans SC',system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--text-1);
  letter-spacing:.01em;
  background-color:var(--bg-1);
  background-image:
    radial-gradient(1000px 520px at 82% -8%, rgba(56,189,248,.10), transparent 62%),
    radial-gradient(760px 440px at 0% 18%, rgba(124,108,255,.08), transparent 66%);
  background-repeat:no-repeat;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{color:var(--text-1);font-family:inherit;margin:0;font-weight:700;line-height:1.35;letter-spacing:-0.01em;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
a{color:var(--primary);text-decoration:none;transition:color .2s var(--ease);}
a:hover{color:#7FD8FF;}
img{max-width:100%;display:block;}
button{font-family:inherit;}
input,button,select,textarea{font-family:inherit;font-size:inherit;}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;}
.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
@media (max-width:1024px){.wrap{padding:0 20px;}}
@media (max-width:640px){.wrap{padding:0 16px;}}

/* ---------- 顶部品牌行 ---------- */
.site-header{position:sticky;top:0;z-index:60;}
.brand-bar{
  background:rgba(10,15,28,.72);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
  transition:background .25s var(--ease), box-shadow .25s var(--ease);
}
.site-header.is-scrolled .brand-bar{background:rgba(7,12,22,.94);box-shadow:0 10px 30px rgba(0,0,0,.45);}
.brand-bar__inner{display:flex;align-items:center;gap:24px;min-height:64px;justify-content:space-between;}
.brand{display:flex;flex-direction:column;line-height:1.2;text-decoration:none;flex:0 0 auto;}
.brand__mark{font-size:20px;font-weight:800;color:var(--text-1);letter-spacing:.01em;}
.brand:hover .brand__mark{color:#fff;}
.brand__sub{font-size:11px;color:var(--text-3);letter-spacing:.14em;margin-top:3px;}
.brand-bar__mid{
  font-size:12px;color:var(--text-2);letter-spacing:.08em;
  padding:5px 12px;border:1px solid var(--line);border-radius:999px;white-space:nowrap;
}
.brand-tools{display:flex;align-items:center;gap:18px;flex:0 0 auto;}
.search-box{
  display:flex;align-items:center;gap:8px;
  background:var(--bg-2);border:1px solid var(--line);border-radius:10px;
  padding:0 12px;height:38px;transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.search-box i{color:var(--text-3);font-size:13px;}
.search-box input{
  border:0;background:transparent;color:var(--text-1);
  font-size:13px;height:100%;width:158px;outline:none;
}
.search-box input::placeholder{color:var(--text-3);}
.search-box:focus-within{border-color:rgba(56,189,248,.6);box-shadow:0 0 0 3px rgba(56,189,248,.16);}
.tool-link{font-size:14px;color:var(--text-2);}
.tool-link:hover{color:var(--primary);}
.tool-phone{display:inline-flex;align-items:center;gap:7px;font-size:14px;font-weight:600;color:var(--text-1);}
.tool-phone i{color:var(--primary);font-size:13px;}
.tool-phone:hover{color:var(--primary);}

/* ---------- 频道行 ---------- */
.channel-bar{background:rgba(7,12,22,.88);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-bottom:1px solid var(--line);}
.channel-bar__inner{
  display:flex;align-items:center;gap:6px;
  padding-top:8px;padding-bottom:8px;
  overflow-x:auto;overflow-y:hidden;
  scrollbar-width:none;-ms-overflow-style:none;
}
.channel-bar__inner::-webkit-scrollbar{display:none;height:0;}
.channel{
  position:relative;flex:0 0 auto;
  font-size:14px;color:var(--text-2);
  padding:8px 14px;border-radius:10px;
  transition:background .2s var(--ease),color .2s var(--ease);
}
.channel:hover{background:rgba(255,255,255,.06);color:var(--text-1);}
.channel.is-active{color:var(--text-1);font-weight:600;}
.channel.is-active::after{
  content:"";position:absolute;left:50%;bottom:0;transform:translateX(-50%);
  width:24px;height:2px;border-radius:2px;background:var(--primary);
  box-shadow:0 6px 14px rgba(56,189,248,.45);
}
@media (max-width:900px){
  .brand-bar__inner{min-height:56px;gap:12px;}
  .brand-bar__mid{display:none;}
  .search-box{display:none;}
  .brand__mark{font-size:17px;}
  .tool-link{display:none;}
  .tool-phone span{display:none;}
  .tool-phone i{font-size:16px;}
}

/* ---------- 通用按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--r-md);
  font-size:15px;font-weight:600;letter-spacing:.01em;
  border:1px solid transparent;cursor:pointer;
  transition:transform .22s var(--ease),background .22s var(--ease),border-color .22s var(--ease),box-shadow .22s var(--ease),color .22s var(--ease),filter .22s var(--ease);
}
.btn i{font-size:13px;}
.btn--action{background:var(--action);color:#1A1206;box-shadow:0 8px 24px rgba(255,179,71,.26);}
.btn--action:hover{color:#1A1206;transform:translateY(-1px);filter:brightness(1.06);box-shadow:0 12px 34px rgba(255,179,71,.36);}
.btn--action:active{transform:translateY(1px);box-shadow:0 4px 14px rgba(255,179,71,.28);}
.btn--primary{background:rgba(56,189,248,.14);color:#BFE9FF;border-color:rgba(56,189,248,.5);box-shadow:0 0 0 1px rgba(56,189,248,.22),0 8px 24px rgba(56,189,248,.16);}
.btn--primary:hover{background:rgba(56,189,248,.22);border-color:var(--primary);color:#DDEEFF;transform:translateY(-1px);}
.btn--primary:active{transform:translateY(1px);box-shadow:none;}
.btn--ghost{background:transparent;color:var(--text-1);border-color:var(--line-strong);}
.btn--ghost:hover{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.26);color:var(--text-1);}
.btn--ghost:active{transform:translateY(1px);}
.btn[disabled],.btn.is-disabled{opacity:.45;cursor:not-allowed;transform:none;box-shadow:none;}
.btn--sm{height:40px;padding:0 18px;font-size:14px;}

/* ---------- 分类首屏 ---------- */
.page-hero{position:relative;padding:52px 0 64px;border-bottom:1px solid var(--line);overflow:hidden;}
.page-hero__bg{position:absolute;inset:0;background-image:url('/assets/images/backpic/back-1.png');background-size:cover;background-position:center;opacity:.13;}
.page-hero__grid-lines{
  position:absolute;inset:0;pointer-events:none;
  background-image:
    linear-gradient(rgba(255,255,255,.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.035) 1px, transparent 1px);
  background-size:24px 24px;
  -webkit-mask-image:linear-gradient(180deg,#000,transparent 82%);
  mask-image:linear-gradient(180deg,#000,transparent 82%);
}
.page-hero .wrap{position:relative;z-index:1;}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:12px;color:var(--text-3);margin-bottom:22px;}
.crumbs a{color:var(--text-3);}
.crumbs a:hover{color:var(--primary);}
.crumbs span.sep{color:rgba(255,255,255,.2);}
.crumbs .current{color:var(--text-2);}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:500;letter-spacing:.06em;color:#BFE9FF;
  background:rgba(56,189,248,.1);border:1px solid rgba(56,189,248,.3);
  padding:5px 12px;border-radius:var(--r-sm);margin-bottom:18px;
}
.eyebrow i{font-size:11px;}
.page-hero h1{
  font-size:clamp(28px,4vw,44px);font-weight:800;line-height:1.25;margin:0 0 18px;
  max-width:820px;
}
.page-hero h1 .hl{
  position:relative;display:inline-block;
}
.page-hero h1 .hl::after{
  content:"";position:absolute;left:0;bottom:-4px;width:100%;height:3px;border-radius:3px;
  background:linear-gradient(90deg,rgba(56,189,248,.9),rgba(56,189,248,0));
}
.lead{font-size:17px;line-height:1.85;color:var(--text-2);max-width:660px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px;}
.hero-grid{display:grid;grid-template-columns:minmax(0,1.55fr) minmax(0,1fr);gap:40px;align-items:start;}
@media (max-width:900px){
  .page-hero{padding:36px 0 48px;}
  .hero-grid{grid-template-columns:1fr;gap:28px;}
  .lead{font-size:16px;}
}

/* 快速说明卡 */
.quick-card{
  background:var(--bg-2);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:24px;box-shadow:var(--shadow-1),inset 0 1px 0 rgba(255,255,255,.06);
}
.quick-card__head{
  display:flex;align-items:center;gap:10px;
  font-size:14px;font-weight:600;color:var(--text-1);
  padding-bottom:14px;margin-bottom:8px;border-bottom:1px solid var(--line);
}
.quick-card__head i{color:var(--primary);font-size:15px;}
.quick-card ul li{
  display:flex;align-items:baseline;justify-content:space-between;gap:16px;
  padding:11px 0;border-bottom:1px dashed rgba(255,255,255,.06);
  font-size:13.5px;
}
.quick-card ul li:last-child{border-bottom:0;}
.quick-card ul li span{color:var(--text-3);flex:0 0 auto;}
.quick-card ul li strong{color:var(--text-1);font-weight:600;text-align:right;}
.quick-card__link{display:inline-flex;align-items:center;gap:6px;font-size:13px;color:var(--primary);margin-top:10px;}
.quick-card__link:hover{gap:10px;}

/* ---------- 板块通用 ---------- */
.section{padding:76px 0;}
@media (max-width:1024px){.section{padding:58px 0;}}
@media (max-width:640px){.section{padding:44px 0;}}
.section--tight{padding-top:0;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:32px;}
.section-head h2{font-size:clamp(22px,2.6vw,28px);font-weight:700;margin:0 0 10px;}
.section-head p{font-size:14.5px;color:var(--text-2);max-width:680px;}
.section-head .more{font-size:14px;color:var(--text-2);display:inline-flex;align-items:center;gap:6px;white-space:nowrap;flex:0 0 auto;}
.section-head .more:hover{color:var(--primary);}
@media (max-width:640px){
  .section-head{flex-direction:column;align-items:flex-start;gap:12px;margin-bottom:24px;}
}

/* ---------- 大图主卡 ---------- */
.feature-card{
  position:relative;margin:0;border-radius:var(--r-xl);overflow:hidden;
  border:1px solid var(--line-strong);box-shadow:var(--shadow-2);
  min-height:420px;background:var(--bg-2);
}
.feature-card img{
  position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.5;
}
.feature-card__veil{
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(7,12,22,.15) 0%,rgba(7,12,22,.72) 52%,rgba(7,12,22,.96) 100%);
}
.feature-card__body{
  position:relative;z-index:1;
  padding:56px 48px 44px;display:flex;flex-direction:column;justify-content:flex-end;
  min-height:420px;
}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12px;font-weight:500;letter-spacing:.04em;
  color:#BFE9FF;background:rgba(56,189,248,.12);
  border:1px solid rgba(56,189,248,.3);
  padding:4px 10px;border-radius:var(--r-sm);
}
.tag--violet{color:#D6D2FF;background:rgba(124,108,255,.14);border-color:rgba(124,108,255,.34);}
.feature-card__body h2{font-size:clamp(22px,3vw,32px);font-weight:800;margin:16px 0 14px;max-width:720px;}
.feature-card__body p{font-size:15.5px;color:var(--text-2);max-width:700px;margin-bottom:24px;}
@media (max-width:640px){
  .feature-card,.feature-card__body{min-height:0;}
  .feature-card__body{padding:32px 22px 28px;}
}

/* ---------- 双栏清单 ---------- */
.split{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(0,1fr);gap:28px;align-items:start;}
@media (max-width:960px){.split{grid-template-columns:1fr;gap:22px;}}
.check-list{display:grid;gap:14px;}
.check-list li{
  position:relative;
  background:var(--bg-2);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:20px 22px 20px 62px;
  box-shadow:var(--shadow-1),inset 0 1px 0 rgba(255,255,255,.05);
  transition:transform .22s var(--ease),border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.check-list li:hover{transform:translateY(-3px);border-color:rgba(255,255,255,.18);box-shadow:var(--shadow-2),0 0 0 1px rgba(56,189,248,.12);}
.check-list li::before{
  counter-increment:chk;
  content:counter(chk,decimal-leading-zero);
  position:absolute;left:22px;top:19px;
  width:26px;height:26px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  font-size:11px;font-weight:700;color:#BFE9FF;
  background:rgba(56,189,248,.12);border:1px solid rgba(56,189,248,.32);
}
.check-list{counter-reset:chk;}
.check-list li h3{font-size:16px;font-weight:600;margin:0 0 6px;}
.check-list li p{font-size:14px;color:var(--text-2);line-height:1.8;}

/* 数据卡 */
.data-card{
  background:linear-gradient(160deg,var(--bg-3),var(--bg-2));
  border:1px solid var(--line-strong);border-radius:var(--r-lg);
  padding:26px 24px;
  box-shadow:var(--shadow-1),inset 0 1px 0 rgba(255,255,255,.08);
  position:sticky;top:132px;
}
@media (max-width:960px){.data-card{position:static;}}
.data-card h3{font-size:16px;font-weight:700;margin:0 0 4px;}
.data-card .data-card__sub{font-size:12.5px;color:var(--text-3);margin-bottom:18px;}
.data-row{
  display:flex;align-items:center;justify-content:space-between;gap:14px;
  padding:13px 0;border-top:1px solid var(--line);font-size:13.5px;
}
.data-row span{color:var(--text-2);}
.data-row b{color:var(--primary);font-size:15px;font-weight:700;}
.data-note{
  margin-top:18px;padding:14px;
  background:rgba(124,108,255,.08);border:1px solid rgba(124,108,255,.22);
  border-radius:var(--r-md);font-size:12.5px;color:#CFCAFF;line-height:1.75;
}

/* ---------- 指标条 ---------- */
.stats{
  display:grid;grid-template-columns:repeat(4,1fr);gap:1px;
  background:var(--line);border:1px solid var(--line);
  border-radius:var(--r-lg);overflow:hidden;
}
.stat{background:var(--bg-2);padding:28px 24px;transition:background .22s var(--ease);}
.stat:hover{background:var(--bg-3);}
.stat b{display:block;font-size:30px;font-weight:800;line-height:1.2;color:var(--text-1);letter-spacing:-0.02em;}
.stat b em{font-style:normal;font-size:14px;font-weight:600;color:var(--text-2);margin-left:4px;}
.stat span{display:block;font-size:13px;color:var(--text-3);margin-top:8px;}
@media (max-width:768px){.stats{grid-template-columns:repeat(2,1fr);}}
@media (max-width:420px){.stats{grid-template-columns:1fr;}}

/* ---------- 卡片网格 ---------- */
.cards{display:grid;gap:24px;}
.cards--3{grid-template-columns:repeat(3,1fr);}
@media (max-width:1024px){.cards--3{grid-template-columns:repeat(2,1fr);}}
@media (max-width:640px){.cards--3{grid-template-columns:1fr;gap:18px;}}

.post-card{
  position:relative;display:flex;flex-direction:column;
  background:var(--bg-2);border:1px solid var(--line);border-radius:var(--r-lg);
  overflow:hidden;text-decoration:none;color:inherit;
  box-shadow:var(--shadow-1),inset 0 1px 0 rgba(255,255,255,.05);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.post-card::before{
  content:"";position:absolute;top:0;left:50%;transform:translateX(-50%);
  width:0;height:2px;background:linear-gradient(90deg,transparent,var(--primary),transparent);
  transition:width .22s var(--ease);z-index:2;
}
.post-card:hover{transform:translateY(-4px);border-color:rgba(255,255,255,.18);box-shadow:var(--shadow-2),0 0 0 1px rgba(56,189,248,.12);}
.post-card:hover::before{width:60%;}
.post-card__media{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--bg-3);}
.post-card__media img{width:100%;height:100%;object-fit:cover;transition:transform .4s var(--ease);}
.post-card:hover .post-card__media img{transform:scale(1.04);}
.post-card__badge{
  position:absolute;left:12px;top:12px;
  font-size:11.5px;font-weight:600;letter-spacing:.04em;
  color:#BFE9FF;background:rgba(10,17,32,.82);
  border:1px solid rgba(56,189,248,.34);
  padding:3px 9px;border-radius:var(--r-sm);
  -webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);
}
.post-card__body{padding:18px 20px 20px;display:flex;flex-direction:column;flex:1 1 auto;}
.post-card__body h3{
  font-size:16.5px;font-weight:600;line-height:1.5;margin:0 0 8px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.post-card__body p{
  font-size:13.5px;color:var(--text-2);line-height:1.8;margin-bottom:16px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.post-card__meta{
  display:flex;align-items:center;gap:10px;
  font-size:12px;color:var(--text-3);margin-top:auto;padding-top:12px;
  border-top:1px solid var(--line);
}
.post-card__meta .dot{width:3px;height:3px;border-radius:50%;background:rgba(255,255,255,.24);}
.post-card__meta .go{margin-left:auto;color:var(--primary);font-weight:600;}
.post-card:hover .post-card__meta .go{text-decoration:underline;}

/* ---------- FAQ ---------- */
.faq{max-width:880px;margin:0 auto;display:grid;gap:12px;}
.faq-item{
  background:var(--bg-2);border:1px solid var(--line);border-radius:var(--r-md);
  overflow:hidden;transition:border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.faq-item:hover{border-color:rgba(255,255,255,.18);}
.faq-item.is-open{border-color:rgba(56,189,248,.4);box-shadow:0 0 0 1px rgba(56,189,248,.12),var(--shadow-1);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  min-height:60px;padding:16px 22px;
  background:transparent;border:0;cursor:pointer;text-align:left;
  font-size:15.5px;font-weight:600;color:var(--text-1);
  transition:color .2s var(--ease);
}
.faq-q:hover{color:#BFE9FF;}
.faq-q i{color:var(--primary);font-size:13px;flex:0 0 auto;transition:transform .22s var(--ease);}
.faq-item.is-open .faq-q i{transform:rotate(45deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s var(--ease);}
.faq-item.is-open .faq-a{max-height:340px;}
.faq-a__inner{
  padding:2px 22px 20px 24px;
  border-left:2px solid var(--primary);
  margin-left:22px;
  font-size:14.5px;color:var(--text-2);line-height:1.85;
}

/* ---------- CTA 横幅 ---------- */
.cta-band{
  position:relative;border-radius:var(--r-xl);overflow:hidden;
  border:1px solid var(--line-strong);
  background:rgba(255,255,255,.05);
  -webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);
  box-shadow:var(--shadow-2),inset 0 1px 0 rgba(255,255,255,.1);
}
.cta-band__bg{position:absolute;inset:0;overflow:hidden;}
.cta-band__bg img{width:100%;height:100%;object-fit:cover;opacity:.2;}
.cta-band__bg::after{content:"";position:absolute;inset:0;background:linear-gradient(120deg,rgba(7,12,22,.9),rgba(7,12,22,.72));}
.cta-band__inner{
  position:relative;z-index:1;
  display:flex;align-items:center;justify-content:space-between;gap:32px;
  padding:44px 48px;
}
.cta-band h2{font-size:clamp(21px,2.6vw,28px);font-weight:800;margin:0 0 10px;}
.cta-band p{font-size:14.5px;color:var(--text-2);max-width:560px;}
.cta-band__actions{display:flex;flex-wrap:wrap;gap:12px;flex:0 0 auto;}
@media (max-width:900px){
  .cta-band__inner{flex-direction:column;align-items:flex-start;gap:22px;padding:32px 24px;}
  .cta-band__actions{width:100%;}
  .cta-band__actions .btn{flex:1 1 160px;}
}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--bg-0);border-top:1px solid var(--line);margin-top:76px;padding-top:56px;}
@media (max-width:1024px){.site-footer{margin-top:58px;padding-top:44px;}}
.footer-grid{
  display:grid;grid-template-columns:1.7fr 1fr 1.1fr 1.2fr;gap:40px;
  padding-bottom:40px;
}
@media (max-width:1024px){.footer-grid{grid-template-columns:1fr 1fr;gap:32px;}}
@media (max-width:560px){.footer-grid{grid-template-columns:1fr;gap:28px;}}
.footer-brand .brand__mark{font-size:18px;}
.footer-brand p{font-size:13.5px;color:var(--text-3);line-height:1.85;margin-top:14px;max-width:320px;}
.footer-col h4{
  font-size:13px;font-weight:600;color:var(--text-1);
  letter-spacing:.08em;margin:0 0 16px;
}
.footer-links{display:grid;gap:11px;}
.footer-links a{font-size:14px;color:var(--text-2);display:inline-block;transition:color .2s var(--ease),transform .2s var(--ease);}
.footer-links a:hover{color:var(--primary);transform:translateX(2px);}
.footer-contact{display:grid;gap:12px;font-size:13.5px;color:var(--text-2);}
.footer-contact li{display:flex;align-items:flex-start;gap:9px;}
.footer-contact i{color:var(--primary);font-size:12px;margin-top:5px;}
.footer-contact strong{color:var(--text-1);font-size:16px;font-weight:700;letter-spacing:.01em;}
.footer-bottom{
  border-top:1px solid var(--line);
  padding:18px 0 22px;
  display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:10px;
  font-size:12.5px;color:var(--text-3);
}
.footer-bottom a{color:var(--text-3);}
.footer-bottom a:hover{color:var(--primary);}

/* roulang page: category3 */
:root{
  --bg-0:#070C16;
  --bg-1:#0A1120;
  --bg-2:#0E1729;
  --bg-3:#121E33;
  --primary:#38BDF8;
  --primary-deep:#1D6FA5;
  --violet:#7C6CFF;
  --action:#FFB347;
  --text-1:#E8EEF7;
  --text-2:#9FB0C7;
  --text-3:#64748B;
  --line:rgba(255,255,255,.08);
  --line-2:rgba(255,255,255,.14);
  --ok:#34D399;
  --warn:#F87171;
  --r-xs:4px;
  --r-sm:10px;
  --r-md:14px;
  --r-lg:16px;
  --r-xl:24px;
  --sh-1:0 8px 24px rgba(0,0,0,.35);
  --sh-2:0 16px 40px rgba(0,0,0,.5);
  --ease:cubic-bezier(.22,.61,.36,1);
  --sec:88px;
}
*,
*::before,
*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;padding:0;
  background:var(--bg-1);
  color:var(--text-1);
  font-family:'PingFang SC','Microsoft YaHei','Source Han Sans SC',system-ui,-apple-system,'Segoe UI',sans-serif;
  font-size:16px;line-height:1.85;letter-spacing:-0.01em;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
h1,h2,h3,h4,h5,h6{
  font-family:inherit;font-weight:800;color:var(--text-1);
  line-height:1.32;margin:0;letter-spacing:-0.01em;
}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
a{color:inherit;text-decoration:none;transition:color 220ms var(--ease),background-color 220ms var(--ease);}
img{max-width:100%;display:block;border:0;}
button{font-family:inherit;font-size:inherit;border:0;background:none;color:inherit;cursor:pointer;padding:0;}
input{font-family:inherit;font-size:inherit;}
table{border-collapse:collapse;width:100%;}
strong{font-weight:700;}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:var(--r-xs);}
::selection{background:rgba(56,189,248,.28);color:var(--text-1);}

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

/* ---------- header ---------- */
.site-header{position:relative;z-index:60;}
.brand-bar{
  position:sticky;top:0;z-index:70;
  background:rgba(10,15,28,.72);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
  transition:background-color 260ms var(--ease),box-shadow 260ms var(--ease);
}
.brand-bar.is-scrolled{background:rgba(7,12,22,.92);box-shadow:0 10px 28px rgba(0,0,0,.45);}
.brand-bar__inner{display:flex;align-items:center;gap:28px;height:64px;}
.brand{display:flex;align-items:baseline;gap:10px;flex-shrink:0;}
.brand__mark{font-size:18px;font-weight:800;color:var(--text-1);letter-spacing:0;}
.brand__sub{font-size:11px;color:var(--text-3);letter-spacing:.06em;white-space:nowrap;}
.brand-bar__mid{
  font-size:13px;color:var(--text-2);padding:4px 12px;border-radius:var(--r-sm);
  border:1px solid var(--line);background:rgba(255,255,255,.03);white-space:nowrap;
}
.brand-tools{margin-left:auto;display:flex;align-items:center;gap:18px;}
.search-box{
  display:flex;align-items:center;gap:8px;height:38px;padding:0 12px;
  border:1px solid var(--line);border-radius:var(--r-sm);background:rgba(255,255,255,.03);
  transition:border-color 200ms var(--ease),box-shadow 200ms var(--ease),background-color 200ms var(--ease);
}
.search-box i{color:var(--text-3);font-size:13px;}
.search-box input{
  width:172px;height:34px;border:0;background:transparent;color:var(--text-1);
  font-size:13px;outline:none;
}
.search-box input::placeholder{color:var(--text-3);}
.search-box:focus-within{border-color:var(--primary);box-shadow:0 0 0 3px rgba(56,189,248,.16);background:rgba(56,189,248,.05);}
.tool-link{font-size:13px;color:var(--text-2);}
.tool-link:hover{color:var(--primary);}
.tool-phone{display:inline-flex;align-items:center;gap:6px;font-size:13px;font-weight:600;color:var(--primary);}
.tool-phone:hover{color:#7DD7FA;}

.channel-bar{background:rgba(10,17,32,.86);border-bottom:1px solid var(--line);}
.channel-bar__inner{display:flex;align-items:center;gap:6px;height:54px;overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none;}
.channel-bar__inner::-webkit-scrollbar{display:none;}
.channel{
  position:relative;display:inline-flex;align-items:center;height:38px;padding:0 14px;
  font-size:14px;color:var(--text-2);border-radius:var(--r-sm);white-space:nowrap;
  transition:color 200ms var(--ease),background-color 200ms var(--ease);
}
.channel:hover{color:var(--text-1);background:rgba(255,255,255,.06);}
.channel.is-active{color:var(--text-1);background:rgba(56,189,248,.1);font-weight:600;}
.channel.is-active::after{
  content:'';position:absolute;left:14px;right:14px;bottom:2px;height:2px;border-radius:2px;
  background:var(--primary);box-shadow:0 6px 14px rgba(56,189,248,.45);
}

/* ---------- hero ---------- */
.page-hero{
  position:relative;overflow:hidden;
  padding:52px 0 80px;
  border-bottom:1px solid var(--line);
  background:var(--bg-1) url('/assets/images/backpic/back-2.png') center/cover no-repeat;
}
.page-hero__scrim{
  position:absolute;inset:0;
  background:linear-gradient(112deg,rgba(7,12,22,.97) 0%,rgba(10,17,32,.92) 46%,rgba(10,17,32,.7) 100%);
}
.page-hero__grid{
  position:absolute;inset:0;
  background-image:
    linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px);
  background-size:24px 24px;
  -webkit-mask-image:radial-gradient(circle at 72% 28%,#000 0%,transparent 74%);
  mask-image:radial-gradient(circle at 72% 28%,#000 0%,transparent 74%);
}
.page-hero .wrap{position:relative;z-index:2;}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:12px;color:var(--text-3);margin-bottom:26px;}
.crumbs a:hover{color:var(--primary);}
.crumbs .sep{color:rgba(255,255,255,.22);}
.crumbs .current{color:var(--text-2);}
.hero-grid{display:grid;grid-template-columns:1.12fr .88fr;gap:48px;align-items:center;}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;height:30px;padding:0 12px;margin-bottom:20px;
  font-size:12px;font-weight:600;color:var(--primary);
  background:rgba(56,189,248,.1);border:1px solid rgba(56,189,248,.3);border-radius:999px;
}
.hero-badge::before{content:'';width:6px;height:6px;border-radius:50%;background:var(--primary);box-shadow:0 0 0 3px rgba(56,189,248,.18);}
.hero-title{font-size:clamp(28px,4vw,42px);font-weight:800;line-height:1.26;margin-bottom:20px;}
.hero-title .hl{position:relative;color:#FFFFFF;white-space:nowrap;}
.hero-title .hl::after{
  content:'';position:absolute;left:0;right:0;bottom:3px;height:3px;border-radius:3px;
  background:linear-gradient(90deg,rgba(56,189,248,.85),rgba(56,189,248,0));
}
.hero-desc{font-size:16px;color:var(--text-2);line-height:1.9;max-width:560px;margin-bottom:32px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--r-sm);
  font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;
  transition:transform 200ms var(--ease),box-shadow 200ms var(--ease),background-color 200ms var(--ease),border-color 200ms var(--ease),filter 200ms var(--ease);
}
.btn i{font-size:13px;}
.btn--action{
  background:linear-gradient(180deg,#FFC46B,#FFB347);color:#221703;
  border-color:rgba(255,255,255,.2);
  box-shadow:0 8px 24px rgba(255,179,71,.3);
}
.btn--action:hover{filter:brightness(1.07);transform:translateY(-1px);box-shadow:0 12px 32px rgba(255,179,71,.42);}
.btn--action:active{transform:translateY(1px);box-shadow:0 6px 16px rgba(255,179,71,.3);}
.btn--primary{
  background:linear-gradient(180deg,#4CC6FA,#1D6FA5);color:#03131E;
  box-shadow:0 0 0 1px rgba(56,189,248,.5),0 8px 24px rgba(56,189,248,.28);
}
.btn--primary:hover{filter:brightness(1.08);transform:translateY(-1px);box-shadow:0 0 0 1px rgba(56,189,248,.6),0 12px 32px rgba(56,189,248,.4);}
.btn--primary:active{transform:translateY(1px);}
.btn--ghost{
  background:rgba(255,255,255,.04);border-color:var(--line-2);color:var(--text-1);
}
.btn--ghost:hover{background:rgba(255,255,255,.09);border-color:rgba(255,255,255,.26);transform:translateY(-1px);}
.btn--ghost:active{transform:translateY(1px);}
.btn[disabled],.btn.is-disabled{opacity:.45;cursor:not-allowed;transform:none;box-shadow:none;filter:none;}

.hero-panel{
  position:relative;border-radius:var(--r-xl);padding:14px;
  background:rgba(255,255,255,.05);
  -webkit-backdrop-filter:blur(18px);
  backdrop-filter:blur(18px);
  border:1px solid rgba(255,255,255,.16);
  box-shadow:0 20px 48px rgba(0,0,0,.5),inset 0 1px 0 rgba(255,255,255,.16);
}
.hero-panel__media{border-radius:18px;overflow:hidden;border:1px solid rgba(255,255,255,.08);}
.hero-panel__media img{width:100%;aspect-ratio:16/11;object-fit:cover;}
.hero-panel__float{
  position:absolute;left:-16px;bottom:26px;width:min(260px,82%);
  padding:16px 18px;border-radius:var(--r-md);
  background:rgba(14,23,41,.94);border:1px solid var(--line-2);
  box-shadow:0 16px 36px rgba(0,0,0,.55),inset 0 1px 0 rgba(255,255,255,.1);
}
.tag{
  display:inline-flex;align-items:center;height:22px;padding:0 8px;border-radius:var(--r-xs);
  font-size:11px;font-weight:600;letter-spacing:.02em;
  color:var(--primary);background:rgba(56,189,248,.12);border:1px solid rgba(56,189,248,.26);
}
.tag--violet{color:#B9B2FF;background:rgba(124,108,255,.14);border-color:rgba(124,108,255,.3);}
.tag--action{color:#FFCF8C;background:rgba(255,179,71,.13);border-color:rgba(255,179,71,.3);}
.hero-panel__stats{display:flex;gap:22px;margin-top:12px;}
.hero-panel__stats div{display:flex;flex-direction:column;}
.hero-panel__stats strong{font-size:20px;font-weight:800;color:var(--text-1);line-height:1.2;}
.hero-panel__stats span{font-size:12px;color:var(--text-3);}

/* ---------- sections ---------- */
.section{padding:var(--sec) 0;}
.section--tight{padding:0 0 var(--sec);}
.section__head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px;}
.section__title{font-size:28px;font-weight:700;line-height:1.35;}
.section__sub{margin-top:10px;font-size:14px;color:var(--text-2);max-width:640px;}
.link-more{font-size:14px;color:var(--primary);display:inline-flex;align-items:center;gap:6px;white-space:nowrap;}
.link-more i{font-size:11px;transition:transform 200ms var(--ease);}
.link-more:hover{color:#7DD7FA;}
.link-more:hover i{transform:translateX(3px);}

/* feature cards */
.feat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.feat-card{
  position:relative;overflow:hidden;padding:26px 24px 28px;
  background:var(--bg-2);border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--sh-1),inset 0 1px 0 rgba(255,255,255,.05);
  transition:transform 220ms var(--ease),border-color 220ms var(--ease),box-shadow 220ms var(--ease);
}
.feat-card::after{
  content:'';position:absolute;top:0;left:22px;height:2px;width:0;border-radius:2px;
  background:var(--primary);transition:width 260ms var(--ease);
}
.feat-card:hover{transform:translateY(-4px);border-color:rgba(255,255,255,.18);box-shadow:var(--sh-2),0 0 0 1px rgba(56,189,248,.12);}
.feat-card:hover::after{width:60%;}
.feat-card__icon{
  width:44px;height:44px;border-radius:12px;display:grid;place-items:center;
  background:rgba(56,189,248,.12);color:var(--primary);font-size:18px;margin-bottom:18px;
  border:1px solid rgba(56,189,248,.18);
}
.feat-card h3{font-size:17px;font-weight:700;margin-bottom:10px;}
.feat-card p{font-size:14px;color:var(--text-2);line-height:1.8;}

/* steps */
.steps{position:relative;display:grid;grid-template-columns:repeat(3,1fr);gap:28px;}
.steps::before{
  content:'';position:absolute;top:52px;left:12%;right:12%;height:1px;
  background:linear-gradient(90deg,rgba(56,189,248,0),rgba(56,189,248,.42),rgba(56,189,248,0));
}
.step{
  position:relative;padding:28px 26px 30px;border-radius:var(--r-lg);
  background:linear-gradient(180deg,rgba(18,30,51,.94),rgba(14,23,41,.94));
  border:1px solid var(--line);box-shadow:var(--sh-1),inset 0 1px 0 rgba(255,255,255,.05);
  transition:transform 220ms var(--ease),border-color 220ms var(--ease);
}
.step:hover{transform:translateY(-4px);border-color:rgba(56,189,248,.32);}
.step__num{
  display:inline-block;font-size:42px;font-weight:800;line-height:1;letter-spacing:.02em;
  color:rgba(56,189,248,.26);margin-bottom:14px;
}
.step h3{font-size:18px;font-weight:700;margin-bottom:10px;}
.step p{font-size:14px;color:var(--text-2);line-height:1.85;}
.step__meta{margin-top:16px;font-size:12px;color:var(--text-3);display:flex;align-items:center;gap:8px;}
.step__meta i{color:var(--primary);font-size:11px;}

/* table */
.table-card{
  margin-top:40px;border-radius:var(--r-lg);overflow:hidden;
  background:var(--bg-2);border:1px solid var(--line);
  box-shadow:var(--sh-1),inset 0 1px 0 rgba(255,255,255,.05);
}
.table-card__head{padding:22px 24px 18px;border-bottom:1px solid var(--line);}
.table-card__head h3{font-size:17px;font-weight:700;}
.table-card__head p{font-size:13px;color:var(--text-3);margin-top:6px;}
.table-scroll{overflow-x:auto;scrollbar-width:thin;}
.min-table{min-width:680px;}
.min-table th{
  background:var(--bg-3);color:var(--text-1);text-align:left;
  padding:15px 22px;font-size:13px;font-weight:700;letter-spacing:.02em;
  border-bottom:1px solid var(--line);white-space:nowrap;
}
.min-table td{
  padding:15px 22px;font-size:14px;color:var(--text-2);line-height:1.8;
  border-bottom:1px solid var(--line);vertical-align:top;
}
.min-table tbody tr:nth-child(even){background:rgba(255,255,255,.02);}
.min-table tbody tr:hover{background:rgba(56,189,248,.06);}
.min-table tbody tr:last-child td{border-bottom:0;}
.min-table td:first-child{color:var(--text-1);font-weight:600;white-space:nowrap;}

/* metrics */
.metrics{
  display:grid;grid-template-columns:repeat(4,1fr);
  border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;
  background:var(--bg-2);box-shadow:var(--sh-1);
}
.metric{padding:30px 26px;border-left:1px solid var(--line);}
.metric:first-child{border-left:0;}
.metric__num{font-size:34px;font-weight:800;color:var(--primary);line-height:1.15;}
.metric__num small{font-size:14px;font-weight:600;color:var(--text-2);margin-left:4px;}
.metric__tip{margin-top:8px;font-size:13px;color:var(--text-3);line-height:1.7;}

/* faq */
.faq{max-width:880px;margin:0 auto;}
.faq-item{
  background:var(--bg-2);border:1px solid var(--line);border-radius:var(--r-md);
  margin-bottom:12px;overflow:hidden;
  transition:border-color 220ms var(--ease),box-shadow 220ms var(--ease);
}
.faq-item:hover{border-color:rgba(255,255,255,.18);}
.faq-item.is-open{border-color:rgba(56,189,248,.34);box-shadow:0 12px 30px rgba(0,0,0,.35);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  min-height:60px;padding:12px 22px;font-size:15px;font-weight:600;color:var(--text-1);
  text-align:left;transition:color 200ms var(--ease);
}
.faq-q:hover{color:var(--primary);}
.faq-q .faq-icon{
  flex-shrink:0;width:24px;height:24px;display:grid;place-items:center;
  color:var(--primary);font-size:12px;border:1px solid rgba(56,189,248,.3);border-radius:50%;
  transition:transform 220ms var(--ease),background-color 220ms var(--ease);
}
.faq-item.is-open .faq-icon{transform:rotate(45deg);background:rgba(56,189,248,.14);}
.faq-a{max-height:0;overflow:hidden;transition:max-height 320ms var(--ease);}
.faq-a__inner{
  margin:0 22px 20px;padding:2px 0 2px 16px;
  border-left:2px solid rgba(56,189,248,.6);
  font-size:14px;color:var(--text-2);line-height:1.85;
}

/* related posts */
.post-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.post-card{
  position:relative;display:flex;flex-direction:column;overflow:hidden;
  background:var(--bg-2);border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--sh-1),inset 0 1px 0 rgba(255,255,255,.05);
  transition:transform 220ms var(--ease),border-color 220ms var(--ease),box-shadow 220ms var(--ease);
}
.post-card::after{
  content:'';position:absolute;top:0;left:0;height:2px;width:0;
  background:var(--primary);transition:width 260ms var(--ease);
}
.post-card:hover{transform:translateY(-4px);border-color:rgba(255,255,255,.18);box-shadow:var(--sh-2),0 0 0 1px rgba(56,189,248,.12);}
.post-card:hover::after{width:60%;}
.post-card__cover{position:relative;overflow:hidden;}
.post-card__cover img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform 400ms var(--ease);}
.post-card:hover .post-card__cover img{transform:scale(1.04);}
.post-card__cover .tag{position:absolute;top:12px;left:12px;background:rgba(7,12,22,.82);border-color:rgba(56,189,248,.32);}
.post-card__body{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1;}
.post-card__title{
  font-size:16px;font-weight:700;line-height:1.55;margin-bottom:10px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.post-card__desc{
  font-size:13px;color:var(--text-2);line-height:1.8;margin-bottom:18px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.post-card__foot{
  margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding-top:14px;border-top:1px solid var(--line);font-size:12px;color:var(--text-3);
}
.post-card__foot .go{color:var(--primary);font-weight:600;}
.post-card__foot .go i{font-size:10px;margin-left:4px;transition:transform 200ms var(--ease);}
.post-card:hover .post-card__foot .go i{transform:translateX(3px);}

/* cta band */
.cta-band{
  position:relative;overflow:hidden;border-radius:var(--r-xl);
  padding:46px 48px;
  display:flex;align-items:center;justify-content:space-between;gap:40px;
  border:1px solid rgba(255,255,255,.16);
  background:var(--bg-2) url('/assets/images/backpic/back-3.png') center/cover no-repeat;
  box-shadow:0 20px 48px rgba(0,0,0,.5),inset 0 1px 0 rgba(255,255,255,.14);
}
.cta-band__scrim{
  position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(7,12,22,.93) 0%,rgba(10,17,32,.86) 60%,rgba(18,30,51,.8) 100%);
  -webkit-backdrop-filter:blur(6px);
  backdrop-filter:blur(6px);
}
.cta-band__content,.cta-band__actions{position:relative;z-index:2;}
.cta-band h2{font-size:26px;font-weight:800;line-height:1.4;margin-bottom:10px;}
.cta-band p{font-size:14px;color:var(--text-2);max-width:560px;}
.cta-band__actions{display:flex;flex-wrap:wrap;gap:14px;flex-shrink:0;}

/* footer */
.site-footer{background:var(--bg-0);border-top:1px solid var(--line);padding-top:56px;margin-top:var(--sec);}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:40px;padding-bottom:44px;}
.footer-brand .brand__mark{font-size:17px;}
.footer-brand p{margin-top:14px;font-size:13px;color:var(--text-3);line-height:1.9;max-width:300px;}
.footer-col h4{font-size:14px;font-weight:700;color:var(--text-1);margin-bottom:16px;letter-spacing:.02em;}
.footer-col li{margin-bottom:10px;}
.footer-col a,.footer-col span{font-size:13px;color:var(--text-2);display:inline-flex;align-items:center;gap:8px;}
.footer-col a:hover{color:var(--primary);transform:translateX(2px);}
.footer-col i{color:var(--text-3);font-size:12px;width:14px;}
.footer-bottom{
  border-top:1px solid var(--line);padding:20px 0;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:12px;color:var(--text-3);
}
.footer-bottom a{color:var(--text-3);}
.footer-bottom a:hover{color:var(--primary);}

/* responsive */
@media (max-width:1024px){
  :root{--sec:64px;}
  .wrap{padding:0 20px;}
  .brand-bar__mid{display:none;}
  .search-box input{width:120px;}
  .hero-grid{grid-template-columns:1fr;gap:36px;}
  .hero-desc{max-width:none;}
  .feat-grid{grid-template-columns:repeat(2,1fr);}
  .steps{grid-template-columns:1fr;}
  .steps::before{display:none;}
  .metrics{grid-template-columns:repeat(2,1fr);}
  .metric:nth-child(3){border-left:0;}
  .metric:nth-child(n+3){border-top:1px solid var(--line);}
  .post-grid{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .cta-band{flex-direction:column;align-items:flex-start;padding:36px 28px;gap:26px;}
  .section__head{flex-direction:column;align-items:flex-start;gap:12px;}
}
@media (max-width:640px){
  :root{--sec:44px;}
  .wrap{padding:0 16px;}
  body{font-size:15px;}
  .brand-bar__inner{height:56px;gap:12px;}
  .brand{gap:8px;}
  .brand__mark{font-size:15px;}
  .brand__sub{display:none;}
  .search-box{padding:0;width:38px;justify-content:center;}
  .search-box input{display:none;}
  .tool-link{display:none;}
  .tool-phone span{display:none;}
  .channel-bar__inner{height:50px;}
  .channel{height:34px;padding:0 12px;font-size:13px;}
  .page-hero{padding:32px 0 52px;}
  .hero-title{font-size:26px;}
  .hero-title .hl{white-space:normal;}
  .hero-actions .btn{flex:1 1 100%;}
  .hero-panel__float{position:static;width:100%;margin-top:14px;left:0;bottom:0;}
  .feat-grid{grid-template-columns:1fr;}
  .post-grid{grid-template-columns:1fr;}
  .metrics{grid-template-columns:1fr;}
  .metric{border-left:0;border-top:1px solid var(--line);padding:22px 20px;}
  .metric:first-child{border-top:0;}
  .section__title{font-size:22px;}
  .cta-band h2{font-size:21px;}
  .cta-band__actions .btn{flex:1 1 100%;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .min-table{min-width:560px;}
}