/* roulang page: index */
:root{
  --c-primary:#0FA98F;
  --c-primary-deep:#0A7F6C;
  --c-primary-soft:#E6F6F1;
  --c-accent:#FF7A45;
  --c-accent-soft:#FFE9DE;
  --c-ink:#16241F;
  --c-ink-2:#3D4F49;
  --c-ink-3:#6B7C76;
  --c-bg:#F5F7F4;
  --c-surface:#FFFFFF;
  --c-surface-2:#EEF6F3;
  --c-line:#E6EAE6;
  --c-dark:#0E1F1A;
  --grad-brand:linear-gradient(120deg,#0FA98F 0%,#31C6A8 48%,#FFB25C 100%);
  --grad-warm:linear-gradient(135deg,#FF7A45 0%,#FFB25C 100%);
  --sh-1:0 2px 8px rgba(16,40,34,.06);
  --sh-2:0 12px 32px rgba(16,40,34,.10);
  --sh-3:0 24px 56px rgba(16,40,34,.14);
  --r-8:8px; --r-12:12px; --r-16:16px; --r-20:20px; --r-28:28px; --r-full:999px;
  --sp-4:4px; --sp-8:8px; --sp-12:12px; --sp-16:16px; --sp-24:24px; --sp-32:32px; --sp-48:48px; --sp-64:64px; --sp-96:96px;
  --z-nav:100; --z-drawer:200; --z-mask:190;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--c-ink);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:var(--c-primary-deep);text-decoration:none;transition:color .2s ease,background-color .2s ease,border-color .2s ease;}
a:hover{color:var(--c-primary);}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
button{font-family:inherit;font-size:inherit;cursor:pointer;border:0;background:none;color:inherit;}
input,select,textarea{font-family:inherit;font-size:inherit;color:inherit;}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px;border-radius:4px;}
::selection{background:var(--c-primary-soft);color:var(--c-primary-deep);}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
.container .row{max-width:100%;margin-left:-12px;margin-right:-12px;}
.container .row .column,.container .row .columns{padding-left:12px;padding-right:12px;}
.section{padding:80px 0;}
.section--tight{padding:56px 0;}
.section--alt{background:var(--c-surface);}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:32px;}
.sec-head h2{font-size:28px;line-height:1.3;font-weight:700;letter-spacing:-.3px;}
.sec-head .sec-sub{margin-top:8px;font-size:14px;color:var(--c-ink-3);}
.sec-head .sec-more{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:500;color:var(--c-primary-deep);white-space:nowrap;}
.sec-head .sec-more span{transition:transform .2s ease;}
.sec-head .sec-more:hover span{transform:translateX(3px);}

/* ------------------ 顶部导航 ------------------ */
.site-header{
  position:sticky;top:0;z-index:var(--z-nav);
  background:rgba(255,255,255,.98);
  border-bottom:1px solid var(--c-line);
  transition:box-shadow .24s ease;
}
.site-header.is-scrolled{box-shadow:var(--sh-1);}
.nav-inner{
  max-width:1200px;margin:0 auto;padding:0 24px;
  height:68px;display:flex;align-items:center;gap:24px;
}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:36px;height:36px;border-radius:12px;background:var(--grad-brand);
  display:flex;align-items:center;justify-content:center;box-shadow:0 6px 16px rgba(15,169,143,.28);
  flex:0 0 auto;
}
.brand-mark svg{width:20px;height:20px;display:block;}
.brand-name{font-size:17px;font-weight:700;color:var(--c-ink);letter-spacing:-.2px;white-space:nowrap;}
.brand:hover .brand-name{color:var(--c-primary-deep);}
.nav-links{display:flex;align-items:center;gap:28px;flex:1 1 auto;}
.nav-links a{
  position:relative;font-size:15px;font-weight:500;color:var(--c-ink-2);
  padding:6px 0;white-space:nowrap;transition:color .2s ease,transform .2s ease;
}
.nav-links a::after{
  content:'';position:absolute;left:0;right:0;bottom:-2px;height:2px;border-radius:2px;
  background:var(--grad-brand);transform:scaleX(0);transform-origin:left center;
  transition:transform .22s ease;
}
.nav-links a:hover{color:var(--c-primary);transform:translateY(-1px);}
.nav-links a.is-active{color:var(--c-primary-deep);font-weight:600;}
.nav-links a.is-active::after{transform:scaleX(1);}
.nav-tools{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.nav-search{
  display:flex;align-items:center;gap:8px;
  width:220px;height:40px;padding:0 16px;
  background:var(--c-surface-2);border-radius:var(--r-full);
  border:2px solid transparent;transition:width .24s ease,background .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.nav-search svg{width:16px;height:16px;color:var(--c-ink-3);flex:0 0 auto;}
.nav-search input{border:0;background:none;outline:none;width:100%;font-size:14px;color:var(--c-ink);}
.nav-search input::placeholder{color:var(--c-ink-3);}
.nav-search:focus-within{width:280px;background:var(--c-surface);border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(15,169,143,.15);}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:42px;padding:0 22px;border-radius:var(--r-full);
  font-size:14px;font-weight:600;line-height:1;white-space:nowrap;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease;
}
.btn:active{transform:translateY(0) scale(.98);}
.btn-primary{background:var(--grad-brand);color:#fff;box-shadow:0 8px 20px rgba(15,169,143,.26);}
.btn-primary:hover{color:#fff;transform:translateY(-2px);box-shadow:var(--sh-2);}
.btn-ghost{background:transparent;color:var(--c-ink-2);border:1px solid var(--c-line);}
.btn-ghost:hover{color:var(--c-primary-deep);border-color:var(--c-primary);background:var(--c-primary-soft);}
.btn-outline{background:var(--c-surface);color:var(--c-primary-deep);border:1px solid var(--c-primary);}
.btn-outline:hover{background:var(--c-primary-soft);transform:translateY(-2px);box-shadow:var(--sh-1);}
.btn-light{background:#fff;color:var(--c-primary-deep);}
.btn-light:hover{background:#fff;color:var(--c-primary-deep);transform:translateY(-2px);box-shadow:var(--sh-2);}
.btn-text{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:500;color:var(--c-primary-deep);height:auto;padding:0;}
.btn-text span{transition:transform .2s ease;}
.btn-text:hover span{transform:translateX(3px);}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;
  align-items:center;justify-content:center;border:1px solid var(--c-line);background:var(--c-surface);
}
.nav-toggle svg{width:20px;height:20px;color:var(--c-ink);}

/* 移动抽屉 */
.drawer-mask{
  position:fixed;inset:0;background:rgba(14,31,26,.45);z-index:var(--z-mask);
  opacity:0;visibility:hidden;transition:opacity .24s ease,visibility .24s ease;
}
.drawer-mask.is-open{opacity:1;visibility:visible;}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:86%;max-width:360px;
  background:var(--c-surface);z-index:var(--z-drawer);
  transform:translateX(100%);transition:transform .26s cubic-bezier(.22,.61,.36,1);
  display:flex;flex-direction:column;padding:20px 20px 24px;overflow-y:auto;
}
.drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px;}
.drawer-close{width:44px;height:44px;border-radius:12px;border:1px solid var(--c-line);display:flex;align-items:center;justify-content:center;}
.drawer-links{display:flex;flex-direction:column;}
.drawer-links a{
  padding:14px 4px;font-size:16px;color:var(--c-ink-2);border-bottom:1px solid var(--c-line);
}
.drawer-links a.is-active{color:var(--c-primary-deep);font-weight:600;}
.drawer-foot{margin-top:auto;padding-top:24px;}
.drawer-foot .btn{width:100%;height:48px;}

/* ------------------ Hero ------------------ */
.hero{
  position:relative;overflow:hidden;isolation:isolate;
  background:linear-gradient(180deg,#F8FCFA 0%,var(--c-bg) 100%);
  padding:64px 0 72px;
}
.hero::before{
  content:'';position:absolute;inset:0;z-index:-2;
  background-image:url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;
  opacity:.1;
}
.hero::after{
  content:'';position:absolute;inset:0;z-index:-1;
  background:
    radial-gradient(620px 420px at 12% 18%,rgba(15,169,143,.16),transparent 70%),
    radial-gradient(560px 400px at 86% 76%,rgba(255,122,69,.13),transparent 72%);
}
.hero-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;}
.hero-kicker{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:var(--r-full);
  background:var(--c-primary-soft);color:var(--c-primary-deep);
  font-size:13px;font-weight:600;margin-bottom:20px;
}
.hero-kicker i{width:6px;height:6px;border-radius:50%;background:var(--c-primary);display:block;}
.hero h1{
  font-size:clamp(30px,3.4vw,44px);line-height:1.22;font-weight:700;letter-spacing:-.5px;
  margin-bottom:16px;
}
.hero h1 em{font-style:normal;color:var(--c-primary-deep);}
.hero-sub{font-size:17px;line-height:1.8;color:var(--c-ink-2);margin-bottom:28px;max-width:520px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:32px;}
.hero-actions .btn{height:48px;padding:0 28px;font-size:15px;}
.hero-stats{display:flex;flex-wrap:wrap;gap:12px;}
.stat-chip{
  display:inline-flex;align-items:center;gap:8px;
  height:34px;padding:0 16px;border-radius:var(--r-full);
  background:rgba(255,255,255,.9);border:1px solid var(--c-line);
  font-size:12px;color:var(--c-ink-3);
}
.stat-chip b{font-size:15px;font-weight:700;color:var(--c-ink);font-variant-numeric:tabular-nums;}
.hero-cards{position:relative;display:flex;align-items:center;justify-content:center;min-height:540px;}
.stack{position:relative;width:min(320px,86%);aspect-ratio:9/16;}
.stack-item{
  position:absolute;inset:0;border-radius:var(--r-28);overflow:hidden;
  background:var(--c-surface-2);box-shadow:var(--sh-3);
  transition:transform .28s cubic-bezier(.22,.61,.36,1),opacity .28s ease;
}
.stack-item img{width:100%;height:100%;object-fit:cover;}
.stack-item--b1{transform:rotate(-5deg) scale(.92);opacity:.55;}
.stack-item--b2{transform:rotate(5deg) scale(.92);opacity:.55;}
.stack-item--main{z-index:3;}
.stack-item--main:hover{transform:translateY(-6px);}
.stack-badge{
  position:absolute;top:16px;left:16px;z-index:2;
  padding:5px 12px;border-radius:var(--r-8);
  background:rgba(255,255,255,.92);color:var(--c-primary-deep);
  font-size:12px;font-weight:600;
}
.play-btn{
  position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);z-index:2;
  width:56px;height:56px;border-radius:50%;background:rgba(255,255,255,.88);
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 10px 28px rgba(14,31,26,.24);
  transition:transform .22s ease,background .22s ease;
}
.play-btn::after{
  content:'';width:0;height:0;margin-left:4px;
  border-left:16px solid var(--c-primary-deep);
  border-top:10px solid transparent;border-bottom:10px solid transparent;
}
.stack-item--main:hover .play-btn{transform:translate(-50%,-50%) scale(1.08);background:#fff;}
.stack-caption{
  position:absolute;left:0;right:0;bottom:0;z-index:2;
  padding:20px;color:#fff;
  background:linear-gradient(180deg,rgba(14,31,26,0) 0%,rgba(14,31,26,.86) 100%);
}
.stack-caption p{font-size:14px;line-height:1.5;font-weight:600;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.progress{height:3px;border-radius:var(--r-full);background:rgba(255,255,255,.28);margin-top:12px;overflow:hidden;}
.progress i{display:block;height:100%;width:62%;border-radius:var(--r-full);background:var(--grad-warm);}

/* ------------------ 片段卡 ------------------ */
.clip-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.clip-card{
  position:relative;display:block;border-radius:var(--r-20);overflow:hidden;
  aspect-ratio:3/4;background:var(--c-dark);box-shadow:var(--sh-1);
  transition:transform .24s cubic-bezier(.22,.61,.36,1),box-shadow .24s ease;
}
.clip-card img{width:100%;height:100%;object-fit:cover;transition:transform .24s cubic-bezier(.22,.61,.36,1);}
.clip-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);}
.clip-card:hover img{transform:scale(1.04);}
.clip-time{
  position:absolute;top:12px;left:12px;z-index:2;
  padding:3px 8px;border-radius:6px;background:rgba(14,31,26,.6);
  color:#fff;font-size:12px;font-variant-numeric:tabular-nums;
}
.clip-body{
  position:absolute;left:0;right:0;bottom:0;z-index:2;padding:16px;color:#fff;
  background:linear-gradient(180deg,rgba(14,31,26,0) 0%,rgba(14,31,26,.86) 100%);
}
.clip-body h3{
  font-size:15px;line-height:1.45;font-weight:600;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.clip-meta{display:flex;align-items:center;justify-content:space-between;gap:8px;margin-top:10px;}
.chip{
  display:inline-block;padding:3px 10px;border-radius:var(--r-8);
  background:var(--c-primary-soft);color:var(--c-primary-deep);
  font-size:12px;font-weight:600;
}
.clip-body .chip{background:rgba(255,255,255,.2);color:#fff;}
.clip-views{font-size:12px;color:rgba(255,255,255,.82);font-variant-numeric:tabular-nums;}

/* ------------------ 核对清单 ------------------ */
.pick-cols{display:grid;grid-template-columns:1fr 1fr;gap:0 48px;}
.pick-item{
  display:flex;align-items:center;gap:16px;
  padding:16px 12px 16px 0;border-bottom:1px solid var(--c-line);
  min-height:88px;position:relative;transition:background .2s ease;
}
.pick-item::before{
  content:'';position:absolute;left:-16px;top:14px;bottom:14px;width:3px;border-radius:3px;
  background:var(--grad-brand);opacity:0;transition:opacity .2s ease;
}
.pick-item:hover::before{opacity:1;}
.pick-no{
  font-size:28px;font-weight:700;line-height:1;flex:0 0 auto;width:40px;
  background:var(--grad-brand);-webkit-background-clip:text;background-clip:text;
  color:transparent;font-variant-numeric:tabular-nums;
}
.pick-thumb{
  width:96px;height:72px;border-radius:var(--r-12);overflow:hidden;flex:0 0 auto;background:var(--c-surface-2);
}
.pick-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .24s ease;}
.pick-item:hover .pick-thumb img{transform:scale(1.06);}
.pick-body{flex:1 1 auto;min-width:0;}
.pick-body h3{font-size:16px;font-weight:600;line-height:1.45;margin-bottom:2px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.pick-body p{font-size:13px;color:var(--c-ink-3);line-height:1.6;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.pick-side{display:flex;flex-direction:column;align-items:flex-end;gap:6px;flex:0 0 auto;}
.pick-side .stat-chip{height:28px;padding:0 12px;font-size:12px;}
.pick-side .btn-text{font-size:13px;}

/* ------------------ 反馈条 ------------------ */
.review-band{
  background:var(--c-surface-2);border-radius:var(--r-24);
  padding:20px 28px;display:flex;align-items:center;gap:28px;
  border:1px solid rgba(15,169,143,.12);
}
.review-score{flex:0 0 auto;text-align:left;padding-right:28px;border-right:1px solid rgba(15,169,143,.16);}
.review-score b{display:block;font-size:32px;font-weight:700;line-height:1.1;color:var(--c-primary-deep);font-variant-numeric:tabular-nums;}
.review-stars{display:flex;gap:2px;margin:6px 0 4px;}
.review-stars i{width:12px;height:12px;background:var(--c-accent);clip-path:polygon(50% 0%,61% 35%,98% 35%,68% 57%,79% 91%,50% 70%,21% 91%,32% 57%,2% 35%,39% 35%);display:block;}
.review-score span{font-size:12px;color:var(--c-ink-3);}
.review-scroll{
  display:flex;gap:12px;overflow-x:auto;padding-bottom:4px;flex:1 1 auto;
  scrollbar-width:none;-ms-overflow-style:none;scroll-snap-type:x proximity;
}
.review-scroll::-webkit-scrollbar{display:none;}
.review-chip{
  display:flex;align-items:center;gap:10px;flex:0 0 auto;
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-full);
  padding:8px 16px 8px 8px;box-shadow:var(--sh-1);scroll-snap-align:start;
}
.review-avatar{
  width:32px;height:32px;border-radius:50%;flex:0 0 auto;
  background:var(--grad-brand);color:#fff;font-size:13px;font-weight:700;
  display:flex;align-items:center;justify-content:center;
}
.review-chip p{font-size:13px;line-height:1.4;color:var(--c-ink-2);white-space:nowrap;}
.review-chip small{font-size:11px;color:var(--c-ink-3);display:block;}
.review-more{display:none;}

/* ------------------ 资讯列表（CMS） ------------------ */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.info-card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-20);
  overflow:hidden;box-shadow:var(--sh-1);
  transition:transform .24s cubic-bezier(.22,.61,.36,1),box-shadow .24s ease,border-color .24s ease;
}
.info-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(15,169,143,.3);}
.info-card__link{display:block;color:inherit;}
.info-card__thumb{aspect-ratio:16/9;overflow:hidden;background:var(--c-surface-2);}
.info-card__thumb img{width:100%;height:100%;object-fit:cover;transition:transform .24s ease;}
.info-card:hover .info-card__thumb img{transform:scale(1.04);}
.info-card__body{padding:20px 22px 22px;}
.info-card__body h3{
  font-size:18px;line-height:1.45;font-weight:600;margin:10px 0 8px;color:var(--c-ink);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.info-card__body p{
  font-size:14px;line-height:1.7;color:var(--c-ink-3);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  min-height:47px;
}
.info-card__foot{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  margin-top:16px;padding-top:14px;border-top:1px solid var(--c-line);
}
.info-card__foot time{font-size:13px;color:var(--c-ink-3);font-variant-numeric:tabular-nums;}
.info-card__arrow{
  width:28px;height:28px;border-radius:50%;background:var(--c-primary-soft);
  display:flex;align-items:center;justify-content:center;color:var(--c-primary-deep);
  font-size:14px;transition:transform .2s ease,background .2s ease;
}
.info-card:hover .info-card__arrow{transform:translateX(3px);background:var(--c-primary);color:#fff;}
.empty-card{
  grid-column:1/-1;border:1px dashed var(--c-line);background:var(--c-surface-2);
  border-radius:var(--r-20);padding:48px 24px;text-align:center;
}
.empty-card .empty-icon{
  width:48px;height:48px;border-radius:50%;background:var(--c-surface);
  display:flex;align-items:center;justify-content:center;margin:0 auto 14px;
  color:var(--c-primary);box-shadow:var(--sh-1);font-size:20px;
}
.empty-card p{font-size:15px;color:var(--c-ink-3);margin-bottom:10px;}

/* ------------------ FAQ ------------------ */
.faq-grid{display:grid;grid-template-columns:4fr 8fr;gap:48px;align-items:start;}
.faq-intro h2{font-size:28px;font-weight:700;line-height:1.3;margin-bottom:12px;}
.faq-intro p{font-size:15px;color:var(--c-ink-2);line-height:1.8;margin-bottom:24px;}
.faq-help{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-16);
  padding:20px;box-shadow:var(--sh-1);
}
.faq-help h3{font-size:16px;font-weight:600;margin-bottom:6px;}
.faq-help p{font-size:13px;color:var(--c-ink-3);line-height:1.7;margin-bottom:14px;}
.faq-list{display:flex;flex-direction:column;gap:12px;}
.faq-item{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-16);
  overflow:hidden;transition:box-shadow .2s ease,border-color .2s ease;
}
.faq-item[open]{box-shadow:var(--sh-1);border-color:rgba(15,169,143,.28);}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 22px;font-size:16px;font-weight:600;color:var(--c-ink);
  position:relative;transition:color .2s ease;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::before{
  content:'';position:absolute;left:0;top:16px;bottom:16px;width:3px;border-radius:3px;
  background:var(--grad-brand);opacity:0;transition:opacity .2s ease;
}
.faq-item[open] summary::before{opacity:1;}
.faq-item[open] summary{color:var(--c-primary-deep);}
.faq-item summary::after{
  content:'+';flex:0 0 auto;width:26px;height:26px;border-radius:50%;
  background:var(--c-primary-soft);color:var(--c-primary-deep);
  font-size:16px;font-weight:600;line-height:24px;text-align:center;
  transition:transform .22s ease,background .22s ease,color .22s ease;
}
.faq-item[open] summary::after{content:'−';transform:rotate(180deg);background:var(--c-primary);color:#fff;}
.faq-answer{padding:0 22px 18px;font-size:15px;line-height:1.9;color:var(--c-ink-2);border-top:1px solid transparent;}
.faq-item[open] .faq-answer{border-top-color:var(--c-line);padding-top:12px;}

/* ------------------ 底部 CTA ------------------ */
.cta-band{
  position:relative;overflow:hidden;border-radius:var(--r-28);
  background:var(--grad-brand);padding:48px;color:#fff;
  display:flex;align-items:center;justify-content:space-between;gap:32px;
}
.cta-band::after{
  content:'';position:absolute;right:-60px;bottom:-120px;width:340px;height:340px;
  border-radius:50%;border:38px solid rgba(255,255,255,.12);pointer-events:none;
}
.cta-band h2{font-size:26px;line-height:1.35;font-weight:700;margin-bottom:8px;position:relative;z-index:1;}
.cta-band p{font-size:15px;line-height:1.7;color:rgba(255,255,255,.9);position:relative;z-index:1;}
.cta-band .btn{height:48px;padding:0 28px;font-size:15px;position:relative;z-index:1;flex:0 0 auto;}

/* ------------------ 页脚 ------------------ */
.site-footer{background:var(--c-dark);color:rgba(255,255,255,.72);padding:64px 0 0;margin-top:80px;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:48px;padding-bottom:48px;}
.footer-brand .brand-name{color:#fff;}
.footer-brand p{font-size:14px;line-height:1.9;color:rgba(255,255,255,.6);margin-top:16px;max-width:320px;}
.footer-col h3{
  font-size:14px;font-weight:700;color:#fff;margin-bottom:20px;position:relative;padding-bottom:12px;
}
.footer-col h3::after{
  content:'';position:absolute;left:0;bottom:0;width:24px;height:2px;border-radius:2px;background:var(--grad-warm);
}
.footer-col ul li{margin-bottom:10px;}
.footer-col ul li a{font-size:14px;color:rgba(255,255,255,.66);transition:color .2s ease;}
.footer-col ul li a:hover{color:var(--c-accent);}
.footer-col ul li span{font-size:14px;color:rgba(255,255,255,.66);}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);
  padding:20px 0 24px;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;
  font-size:13px;color:rgba(255,255,255,.5);
}
.footer-bottom .domain{font-variant-numeric:tabular-nums;}

/* ------------------ 响应式 ------------------ */
@media screen and (max-width:1199px){
  .nav-links{gap:20px;}
  .nav-search{width:180px;}
  .nav-search:focus-within{width:220px;}
  .hero-grid{gap:32px;}
  .clip-grid{gap:18px;}
  .pick-cols{gap:0 32px;}
}
@media screen and (max-width:991px){
  .section{padding:56px 0;}
  .nav-links{display:none;}
  .nav-search{display:none;}
  .nav-toggle{display:flex;}
  .nav-tools .btn-ghost{display:none;}
  .hero{padding:44px 0 56px;}
  .hero-grid{grid-template-columns:1fr;gap:40px;}
  .hero-cards{min-height:auto;padding:12px 0 8px;}
  .stack{width:min(300px,72%);}
  .clip-grid{grid-template-columns:repeat(2,1fr);}
  .pick-cols{grid-template-columns:1fr;}
  .news-grid{grid-template-columns:repeat(2,1fr);}
  .faq-grid{grid-template-columns:1fr;gap:32px;}
  .review-band{flex-direction:column;align-items:flex-start;gap:16px;}
  .review-score{border-right:0;border-bottom:1px solid rgba(15,169,143,.16);padding:0 0 12px;width:100%;}
  .review-scroll{width:100%;}
  .review-more{display:inline-flex;margin-top:4px;}
  .cta-band{flex-direction:column;align-items:flex-start;padding:36px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .sec-head{flex-direction:column;align-items:flex-start;gap:12px;}
}
@media screen and (max-width:767px){
  .container{padding:0 16px;}
  .nav-inner{height:56px;padding:0 16px;gap:12px;}
  .brand-mark{width:32px;height:32px;border-radius:10px;}
  .brand-name{font-size:15px;}
  .nav-tools .btn-primary{height:38px;padding:0 16px;font-size:13px;}
  .hero h1{font-size:27px;}
  .hero-sub{font-size:15px;}
  .hero-actions .btn{height:44px;padding:0 20px;font-size:14px;flex:1 1 auto;}
  .stack{width:min(280px,84%);}
  .clip-grid{
    display:flex;gap:14px;overflow-x:auto;padding-bottom:8px;
    scroll-snap-type:x mandatory;scrollbar-width:none;-ms-overflow-style:none;
  }
  .clip-grid::-webkit-scrollbar{display:none;}
  .clip-card{flex:0 0 76vw;scroll-snap-align:start;}
  .news-grid{grid-template-columns:1fr;}
  .pick-item{min-height:auto;padding:14px 0;gap:12px;}
  .pick-thumb{width:80px;height:60px;}
  .pick-no{font-size:22px;width:32px;}
  .pick-side{display:none;}
  .cta-band{padding:28px;border-radius:var(--r-20);}
  .cta-band h2{font-size:21px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .site-footer{margin-top:56px;padding-top:48px;}
  .sec-head h2{font-size:23px;}
}
@media screen and (max-width:519px){
  .review-chip p{white-space:normal;}
  .review-chip{max-width:78vw;}
  .faq-item summary{font-size:15px;padding:16px 18px;}
  .faq-answer{padding:0 18px 16px;font-size:14px;}
  .hero-stats .stat-chip{font-size:11px;padding:0 12px;}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{transition:none !important;animation:none !important;}
  .clip-card:hover,.info-card:hover,.btn-primary:hover,.btn-outline:hover{transform:none !important;}
}

/* roulang page: category1 */
:root{
  --c-primary:#0FA98F;
  --c-primary-deep:#0A7F6C;
  --c-primary-soft:#E6F6F1;
  --c-accent:#FF7A45;
  --c-accent-soft:#FFE9DE;
  --c-ink:#16241F;
  --c-ink-2:#3D4F49;
  --c-ink-3:#6B7C76;
  --c-white:#FFFFFF;
  --c-bg:#F5F7F4;
  --c-surface:#FFFFFF;
  --c-surface-2:#EEF6F3;
  --c-line:#E6EAE6;
  --c-dark:#0E1F1A;
  --grad-brand:linear-gradient(120deg,#0FA98F 0%,#31C6A8 48%,#FFB25C 100%);
  --grad-warm:linear-gradient(135deg,#FF7A45 0%,#FFB25C 100%);
  --sh-1:0 2px 8px rgba(16,40,34,.06);
  --sh-2:0 12px 32px rgba(16,40,34,.10);
  --sh-3:0 24px 56px rgba(16,40,34,.14);
  --r-8:8px;--r-12:12px;--r-16:16px;--r-20:20px;--r-28:28px;--r-pill:999px;
  --header-h:68px;
  --ease:cubic-bezier(.22,.61,.36,1);
  --t:220ms;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;line-height:1.85;color:var(--c-ink);background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:var(--c-primary-deep);text-decoration:none;transition:color var(--t) var(--ease);}
a:hover,a:focus{color:var(--c-primary);}
p{margin:0 0 16px;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;color:var(--c-ink);font-weight:700;letter-spacing:-.2px;}
button{font-family:inherit;cursor:pointer;}
input{font-family:inherit;}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
.row{margin-left:-12px;margin-right:-12px;}
.row .columns{padding-left:12px;padding-right:12px;}
.pill-num{font-variant-numeric:tabular-nums;}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;background:var(--c-surface);
  border-bottom:1px solid var(--c-line);transition:box-shadow var(--t) var(--ease);
}
.site-header.is-scrolled{box-shadow:var(--sh-1);}
.header-inner{
  display:flex;align-items:center;justify-content:space-between;gap:24px;
  height:var(--header-h);
}
.brand{display:inline-flex;align-items:center;gap:10px;flex-shrink:0;color:var(--c-ink);}
.brand:hover{color:var(--c-ink);}
.brand-mark{
  width:36px;height:36px;border-radius:11px;background:var(--grad-brand);
  display:inline-flex;align-items:center;justify-content:center;box-shadow:0 4px 12px rgba(15,169,143,.28);
}
.brand-mark svg{width:22px;height:22px;}
.brand-name{font-size:17px;font-weight:700;letter-spacing:-.2px;white-space:nowrap;}
.nav-links{display:flex;align-items:center;gap:28px;flex:1;justify-content:center;}
.nav-links a{
  position:relative;font-size:15px;font-weight:500;color:var(--c-ink-2);
  padding:6px 0;transition:color var(--t) var(--ease),transform var(--t) var(--ease);
  white-space:nowrap;
}
.nav-links a:hover{color:var(--c-primary);transform:translateY(-1px);}
.nav-links a.is-active{color:var(--c-primary-deep);}
.nav-links a.is-active::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;
  background:var(--grad-brand);border-radius:var(--r-pill);
}
.header-actions{display:flex;align-items:center;gap:12px;flex-shrink:0;}
.search-box{
  position:relative;display:flex;align-items:center;
  width:220px;height:40px;border-radius:var(--r-pill);background:var(--c-surface-2);
  transition:width var(--t) var(--ease),background var(--t) var(--ease),box-shadow var(--t) var(--ease);
}
.search-box i{position:absolute;left:14px;font-size:13px;color:var(--c-ink-3);}
.search-box input{
  width:100%;height:100%;border:0;background:transparent;border-radius:var(--r-pill);
  padding:0 14px 0 36px;font-size:14px;color:var(--c-ink);outline:none;
}
.search-box input::placeholder{color:var(--c-ink-3);}
.search-box:focus-within{
  width:280px;background:var(--c-surface);
  box-shadow:0 0 0 2px var(--c-primary),0 0 0 5px rgba(15,169,143,.15);
}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-size:14px;font-weight:600;line-height:1;border-radius:var(--r-pill);
  padding:12px 22px;border:1px solid transparent;white-space:nowrap;
  transition:transform var(--t) var(--ease),box-shadow var(--t) var(--ease),
             background var(--t) var(--ease),color var(--t) var(--ease),border-color var(--t) var(--ease);
}
.btn-primary{background:var(--grad-brand);color:var(--c-white);box-shadow:0 6px 16px rgba(15,169,143,.24);}
.btn-primary:hover{color:var(--c-white);transform:translateY(-2px);box-shadow:var(--sh-2);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{background:transparent;border-color:var(--c-line);color:var(--c-ink-2);}
.btn-ghost:hover{border-color:var(--c-primary);color:var(--c-primary-deep);}
.btn-outline{background:var(--c-surface);border-color:var(--c-primary);color:var(--c-primary-deep);}
.btn-outline:hover{background:var(--c-primary-soft);color:var(--c-primary-deep);transform:translateY(-2px);box-shadow:var(--sh-1);}
.btn-white{background:var(--c-surface);color:var(--c-primary-deep);box-shadow:var(--sh-1);}
.btn-white:hover{color:var(--c-primary-deep);transform:translateY(-2px);box-shadow:var(--sh-2);}
.btn-block{display:flex;width:100%;}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--c-line);
  background:var(--c-surface);color:var(--c-ink-2);font-size:17px;align-items:center;justify-content:center;
}
.nav-toggle:hover{border-color:var(--c-primary);color:var(--c-primary);}

/* ---------- Mobile drawer ---------- */
.drawer-mask{
  position:fixed;inset:0;background:rgba(14,31,26,.45);opacity:0;visibility:hidden;
  transition:opacity var(--t) var(--ease),visibility var(--t) var(--ease);z-index:90;
}
.drawer-mask.is-open{opacity:1;visibility:visible;}
.mobile-drawer{
  position:fixed;top:0;right:0;bottom:0;width:86%;max-width:340px;background:var(--c-surface);
  z-index:95;display:flex;flex-direction:column;transform:translateX(100%);
  transition:transform 260ms var(--ease);box-shadow:var(--sh-3);
}
.mobile-drawer.is-open{transform:translateX(0);}
.drawer-head{
  display:flex;align-items:center;justify-content:space-between;
  padding:16px 20px;border-bottom:1px solid var(--c-line);
}
.drawer-head .brand-name{font-size:16px;}
.drawer-close{
  width:40px;height:40px;border-radius:12px;border:1px solid var(--c-line);
  background:var(--c-surface);color:var(--c-ink-2);font-size:16px;
}
.drawer-nav{padding:16px 20px;display:flex;flex-direction:column;gap:4px;flex:1;overflow-y:auto;}
.drawer-nav a{
  padding:14px 0;font-size:16px;color:var(--c-ink-2);border-bottom:1px solid var(--c-line);
}
.drawer-nav a.is-active{color:var(--c-primary-deep);font-weight:600;}
.drawer-foot{padding:16px 20px 24px;border-top:1px solid var(--c-line);}

/* ---------- Page banner ---------- */
.page-banner{padding:36px 0 0;}
.banner-card{
  position:relative;overflow:hidden;border-radius:var(--r-28);
  background:var(--c-surface-2);padding:48px 44px;min-height:280px;
  display:flex;align-items:center;
}
.banner-card::before{
  content:"";position:absolute;inset:0;
  background-image:url("/assets/images/backpic/back-1.webp");
  background-size:cover;background-position:center;opacity:.10;
}
.banner-card::after{
  content:"";position:absolute;width:340px;height:340px;right:-80px;top:-120px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,178,92,.30) 0%,rgba(255,178,92,0) 70%);
}
.banner-inner{position:relative;z-index:1;width:100%;display:flex;align-items:center;gap:32px;justify-content:space-between;}
.banner-copy{max-width:640px;}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:12px;color:var(--c-ink-3);margin-bottom:14px;}
.breadcrumb a{color:var(--c-ink-3);}
.breadcrumb a:hover{color:var(--c-primary);}
.breadcrumb span.sep{opacity:.6;}
.page-banner h1{
  font-size:clamp(26px,3.1vw,38px);line-height:1.24;letter-spacing:-.5px;margin-bottom:14px;
}
.page-banner h1 em{font-style:normal;color:var(--c-primary-deep);}
.banner-desc{font-size:15px;color:var(--c-ink-2);margin-bottom:22px;max-width:560px;}
.banner-mini{
  position:relative;flex-shrink:0;width:160px;aspect-ratio:9/16;border-radius:var(--r-20);
  overflow:hidden;box-shadow:var(--sh-2);transform:rotate(-3deg);border:4px solid #fff;
  transition:transform 260ms var(--ease);
}
.banner-mini:hover{transform:rotate(0deg) translateY(-4px);}
.banner-mini img{width:100%;height:100%;object-fit:cover;}
.banner-mini .mini-tag{
  position:absolute;left:10px;top:10px;background:rgba(255,255,255,.92);color:var(--c-primary-deep);
  font-size:11px;font-weight:600;padding:3px 8px;border-radius:var(--r-8);
}

/* ---------- Fact strip ---------- */
.fact-strip{padding:28px 0 8px;}
.fact-inner{
  display:flex;align-items:center;gap:14px;flex-wrap:wrap;
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-20);
  padding:16px 20px;box-shadow:var(--sh-1);
}
.fact-inner .fact-lead{font-size:14px;color:var(--c-ink-2);margin-right:auto;}
.badge-data{
  display:inline-flex;align-items:center;gap:8px;height:34px;padding:0 14px;
  background:rgba(255,255,255,.9);border:1px solid var(--c-line);border-radius:var(--r-pill);
  font-size:12px;color:var(--c-ink-3);
}
.badge-data b{font-size:15px;font-weight:700;color:var(--c-primary-deep);font-variant-numeric:tabular-nums;}

/* ---------- Sections ---------- */
.section{padding:56px 0;}
.section-head{margin-bottom:32px;}
.section-head h2{font-size:28px;line-height:1.3;margin-bottom:10px;}
.section-head p{font-size:15px;color:var(--c-ink-2);margin:0;max-width:680px;}

/* ---------- Timeline ---------- */
.timeline{position:relative;}
.timeline::before{
  content:"";position:absolute;left:20px;top:14px;bottom:14px;width:2px;
  border-left:2px dashed var(--c-line);
}
.step{position:relative;padding-left:66px;margin-bottom:24px;}
.step:last-child{margin-bottom:0;}
.step-num{
  position:absolute;left:0;top:0;width:40px;height:40px;border-radius:50%;
  background:var(--grad-brand);color:#fff;font-size:15px;font-weight:700;
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 6px 16px rgba(15,169,143,.26);
  transition:transform var(--t) var(--ease);
  font-variant-numeric:tabular-nums;
}
.step:hover .step-num{transform:scale(1.06);}
.step-card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-16);
  padding:24px;box-shadow:var(--sh-1);transition:transform var(--t) var(--ease),box-shadow var(--t) var(--ease);
}
.step-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);}
.step-card h3{font-size:18px;line-height:1.45;margin-bottom:10px;}
.step-card p{font-size:15px;color:var(--c-ink-2);margin:0 0 14px;}
.step-card p:last-child{margin-bottom:0;}
.step-points{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:16px;}
.chip{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12px;color:var(--c-primary-deep);background:var(--c-primary-soft);
  padding:4px 10px;border-radius:var(--r-8);
}
.step-shot{
  border-radius:var(--r-12);overflow:hidden;aspect-ratio:16/9;background:var(--c-surface-2);
  border:1px solid var(--c-line);
}
.step-shot img{width:100%;height:100%;object-fit:cover;transition:transform 260ms var(--ease);}
.step-card:hover .step-shot img{transform:scale(1.04);}
.step-note{
  margin-top:12px;font-size:13px;color:var(--c-ink-3);
  display:flex;gap:8px;align-items:flex-start;
}
.step-note i{color:var(--c-accent);margin-top:4px;}

/* ---------- Sidebar ---------- */
.side-col{position:sticky;top:88px;}
.side-card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-20);
  padding:22px;box-shadow:var(--sh-1);margin-bottom:20px;
}
.side-card h3{font-size:15px;font-weight:700;margin-bottom:14px;display:flex;align-items:center;gap:8px;}
.side-card h3::before{content:"";width:4px;height:16px;border-radius:2px;background:var(--grad-brand);}
.toc-list a{
  display:block;font-size:14px;color:var(--c-ink-2);padding:9px 0 9px 12px;
  border-left:2px solid transparent;transition:all var(--t) var(--ease);
}
.toc-list a:hover{color:var(--c-primary-deep);border-left-color:var(--c-primary);background:var(--c-primary-soft);border-radius:0 8px 8px 0;}
.side-links a{
  display:flex;align-items:center;justify-content:space-between;
  font-size:14px;color:var(--c-ink-2);padding:10px 0;border-bottom:1px dashed var(--c-line);
}
.side-links a:last-child{border-bottom:0;}
.side-links a i{font-size:11px;color:var(--c-ink-3);transition:transform var(--t) var(--ease);}
.side-links a:hover{color:var(--c-primary-deep);}
.side-links a:hover i{transform:translateX(3px);color:var(--c-primary);}
.side-tip{background:var(--c-surface-2);border:1px solid #D7EBE3;}
.side-tip p{font-size:13px;color:var(--c-ink-2);margin:0;line-height:1.8;}

/* ---------- Prepare cards ---------- */
.prepare-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.prepare-card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-20);
  padding:26px 24px;box-shadow:var(--sh-1);
  transition:transform var(--t) var(--ease),box-shadow var(--t) var(--ease);
}
.prepare-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);}
.prepare-icon{
  width:48px;height:48px;border-radius:14px;background:var(--c-primary-soft);
  display:flex;align-items:center;justify-content:center;color:var(--c-primary-deep);
  font-size:19px;margin-bottom:16px;
}
.prepare-card h3{font-size:18px;margin-bottom:8px;}
.prepare-card p{font-size:14px;color:var(--c-ink-2);margin:0;}

/* ---------- Tip bar ---------- */
.tipbar{
  display:flex;gap:14px;align-items:flex-start;
  background:var(--c-accent-soft);border-left:4px solid var(--c-accent);
  border-radius:var(--r-12);padding:18px 22px;
}
.tipbar i{color:var(--c-accent);font-size:16px;margin-top:4px;}
.tipbar p{margin:0;font-size:14px;color:#7A3A1D;line-height:1.8;}

/* ---------- FAQ ---------- */
.faq-list{display:flex;flex-direction:column;gap:12px;}
.faq-item{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-16);
  overflow:hidden;transition:box-shadow var(--t) var(--ease);
}
.faq-item.is-open{box-shadow:var(--sh-1);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  background:transparent;border:0;text-align:left;padding:18px 22px;
  font-size:16px;font-weight:600;color:var(--c-ink);line-height:1.5;
  transition:color var(--t) var(--ease);
}
.faq-q:hover{color:var(--c-primary-deep);}
.faq-item.is-open .faq-q{color:var(--c-primary-deep);}
.faq-icon{
  position:relative;flex-shrink:0;width:22px;height:22px;border-radius:50%;
  background:var(--c-primary-soft);transition:transform 260ms var(--ease),background var(--t) var(--ease);
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;left:50%;top:50%;background:var(--c-primary-deep);border-radius:2px;
  transform:translate(-50%,-50%);
}
.faq-icon::before{width:10px;height:2px;}
.faq-icon::after{width:2px;height:10px;transition:opacity var(--t) var(--ease);}
.faq-item.is-open .faq-icon{transform:rotate(180deg);background:var(--c-accent-soft);}
.faq-item.is-open .faq-icon::after{opacity:0;}
.faq-a{max-height:0;overflow:hidden;transition:max-height 280ms var(--ease);}
.faq-a p{margin:0;padding:0 22px 18px;font-size:15px;line-height:1.9;color:var(--c-ink-2);}
.faq-item.is-open{border-left:3px solid transparent;}
.faq-item.is-open .faq-q{position:relative;}

/* ---------- CTA ---------- */
.cta-section{padding:0 0 64px;}
.cta-card{
  position:relative;overflow:hidden;border-radius:var(--r-28);
  background:var(--grad-brand);padding:48px;display:flex;align-items:center;
  justify-content:space-between;gap:32px;box-shadow:0 18px 44px rgba(15,169,143,.24);
}
.cta-card::after{
  content:"";position:absolute;right:-40px;bottom:-90px;width:280px;height:280px;
  border:26px solid rgba(255,255,255,.12);border-radius:50%;
}
.cta-copy{position:relative;z-index:1;max-width:640px;}
.cta-copy h2{color:#fff;font-size:26px;line-height:1.3;margin-bottom:10px;}
.cta-copy p{color:rgba(255,255,255,.9);font-size:15px;margin:0;}
.cta-actions{position:relative;z-index:1;display:flex;gap:12px;flex-wrap:wrap;}

/* ---------- Footer ---------- */
.site-footer{background:var(--c-dark);color:rgba(255,255,255,.78);padding:56px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:48px;}
.footer-brand .brand{margin-bottom:16px;}
.footer-brand .brand-name{color:#fff;}
.footer-brand p{font-size:14px;line-height:1.9;color:rgba(255,255,255,.66);margin:0;max-width:320px;}
.footer-col h3{
  color:#fff;font-size:14px;font-weight:700;margin-bottom:18px;position:relative;padding-bottom:10px;
}
.footer-col h3::after{
  content:"";position:absolute;left:0;bottom:0;width:24px;height:2px;border-radius:2px;background:var(--grad-warm);
}
.footer-col ul li{margin-bottom:10px;}
.footer-col a,.footer-col span{font-size:14px;color:rgba(255,255,255,.7);}
.footer-col a:hover{color:var(--c-accent);}
.footer-bottom{
  margin-top:44px;border-top:1px solid rgba(255,255,255,.1);padding:20px 0 24px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.55);
}
.footer-bottom .domain{font-variant-numeric:tabular-nums;}

/* ---------- Responsive ---------- */
@media screen and (max-width:1199px){
  .nav-links{gap:20px;}
  .nav-links a{font-size:14px;}
  .search-box{width:180px;}
  .search-box:focus-within{width:220px;}
}
@media screen and (max-width:991px){
  .nav-links,.search-box,.header-actions .btn-ghost{display:none;}
  .nav-toggle{display:inline-flex;}
  .header-inner{gap:12px;}
  .section{padding:44px 0;}
  .banner-card{padding:36px 28px;}
  .banner-inner{gap:20px;}
  .banner-mini{width:130px;}
  .side-col{position:static;margin-top:32px;}
  .prepare-grid{grid-template-columns:1fr 1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .cta-card{padding:36px;flex-direction:column;align-items:flex-start;}
}
@media screen and (max-width:767px){
  .container{padding:0 16px;}
  .page-banner{padding:24px 0 0;}
  .banner-card{flex-direction:column;align-items:flex-start;min-height:0;padding:28px 22px;border-radius:var(--r-20);}
  .banner-mini{display:none;}
  .page-banner h1{font-size:24px;}
  .banner-desc{font-size:14px;}
  .fact-inner{padding:14px 16px;}
  .fact-inner .fact-lead{width:100%;margin-bottom:8px;}
  .section-head h2{font-size:22px;}
  .prepare-grid{grid-template-columns:1fr;}
  .step{padding-left:54px;}
  .step-num{width:34px;height:34px;font-size:13px;}
  .timeline::before{left:17px;}
  .step-card{padding:18px;}
  .cta-copy h2{font-size:21px;}
  .cta-card{padding:28px 22px;border-radius:var(--r-20);}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px;}
}
@media screen and (max-width:519px){
  .header-actions .btn-primary{padding:10px 16px;font-size:13px;}
  .brand-name{font-size:15px;}
  .prepare-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .banner-mini{width:120px;}
  .faq-q{font-size:15px;padding:16px 18px;}
  .faq-a p{padding:0 18px 16px;font-size:14px;}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;transition-duration:.001ms !important;}
  .step:hover .step-num,.step-card:hover,.prepare-card:hover,.btn:hover{transform:none !important;}
}

/* roulang page: article */
:root{
  --c-primary:#0FA98F;
  --c-primary-deep:#0A7F6C;
  --c-primary-soft:#E6F6F1;
  --c-accent:#FF7A45;
  --c-accent-soft:#FFE9DE;
  --c-ink:#16241F;
  --c-ink-2:#3D4F49;
  --c-ink-3:#6B7C76;
  --c-bg:#F5F7F4;
  --c-surface:#FFFFFF;
  --c-surface-2:#EEF6F3;
  --c-line:#E6EAE6;
  --c-dark:#0E1F1A;
  --grad-brand:linear-gradient(120deg,#0FA98F 0%,#31C6A8 48%,#FFB25C 100%);
  --grad-warm:linear-gradient(135deg,#FF7A45 0%,#FFB25C 100%);
  --sh-1:0 2px 8px rgba(16,40,34,.06);
  --sh-2:0 12px 32px rgba(16,40,34,.10);
  --sh-3:0 24px 56px rgba(16,40,34,.14);
  --r-8:8px; --r-12:12px; --r-16:16px; --r-20:20px; --r-28:28px; --r-pill:999px;
  --ease:cubic-bezier(.22,.61,.36,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;padding:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  background:var(--c-bg);color:var(--c-ink);font-size:16px;line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,figure,blockquote{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
img{max-width:100%;display:block;border:0;}
a{color:var(--c-primary-deep);text-decoration:none;transition:color .2s var(--ease);}
a:hover{color:var(--c-primary);}
button{font-family:inherit;cursor:pointer;border:0;background:none;}
input{font-family:inherit;}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
.num{font-variant-numeric:tabular-nums;}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:120;background:#fff;border-bottom:1px solid var(--c-line);transition:box-shadow .22s var(--ease);}
.site-header.is-scrolled{box-shadow:var(--sh-1);}
.nav-inner{display:flex;align-items:center;gap:28px;height:68px;}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{width:36px;height:36px;border-radius:12px;background:var(--grad-brand);display:grid;place-items:center;box-shadow:0 4px 12px rgba(15,169,143,.28);}
.brand-mark svg{width:21px;height:21px;}
.brand-name{font-size:17px;font-weight:700;color:var(--c-ink);letter-spacing:-.2px;white-space:nowrap;}
.brand:hover .brand-name{color:var(--c-primary-deep);}
.nav-links{display:flex;align-items:center;gap:28px;flex:1 1 auto;}
.nav-links a{position:relative;font-size:15px;font-weight:500;color:var(--c-ink-2);padding:6px 0;transition:color .2s var(--ease),transform .2s var(--ease);}
.nav-links a:hover{color:var(--c-primary);transform:translateY(-1px);}
.nav-links a.is-active{color:var(--c-primary-deep);font-weight:700;}
.nav-links a.is-active::after{content:"";position:absolute;left:0;right:0;bottom:-3px;height:2px;border-radius:2px;background:var(--grad-brand);}
.nav-tools{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.nav-search{position:relative;display:flex;align-items:center;}
.nav-search svg{position:absolute;left:14px;width:16px;height:16px;color:var(--c-ink-3);pointer-events:none;}
.nav-search input{width:220px;height:40px;border:2px solid transparent;border-radius:var(--r-pill);background:var(--c-surface-2);padding:0 16px 0 38px;font-size:14px;color:var(--c-ink);transition:width .24s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease),border-color .2s var(--ease);}
.nav-search input::placeholder{color:var(--c-ink-3);}
.nav-search input:focus{width:280px;background:#fff;border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(15,169,143,.15);outline:none;}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:40px;padding:0 22px;border-radius:var(--r-pill);font-size:14px;font-weight:600;border:1px solid transparent;transition:transform .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);white-space:nowrap;}
.btn-primary{background:var(--grad-brand);color:#fff;box-shadow:0 6px 16px rgba(15,169,143,.24);}
.btn-primary:hover{color:#fff;transform:translateY(-2px);box-shadow:var(--sh-2);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{background:transparent;border-color:var(--c-line);color:var(--c-ink-2);}
.btn-ghost:hover{border-color:var(--c-primary);color:var(--c-primary-deep);background:var(--c-primary-soft);}
.btn-secondary{background:#fff;border-color:var(--c-primary);color:var(--c-primary-deep);}
.btn-secondary:hover{background:var(--c-primary-soft);color:var(--c-primary-deep);transform:translateY(-2px);box-shadow:var(--sh-1);}
.btn-block{width:100%;}
.nav-toggle{display:none;width:44px;height:44px;border:1px solid var(--c-line);background:#fff;border-radius:12px;flex-direction:column;justify-content:center;align-items:center;gap:4px;}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--c-ink);transition:background .2s var(--ease);}
.nav-toggle:hover span{background:var(--c-primary);}
.drawer-mask{position:fixed;inset:0;background:rgba(14,31,26,.45);z-index:190;opacity:0;pointer-events:none;transition:opacity .24s var(--ease);}
.drawer-mask.is-open{opacity:1;pointer-events:auto;}
.mobile-drawer{position:fixed;top:0;right:0;width:86%;max-width:360px;height:100%;background:#fff;z-index:200;transform:translateX(100%);transition:transform .26s var(--ease);display:flex;flex-direction:column;padding:24px 22px;overflow-y:auto;box-shadow:var(--sh-3);}
.mobile-drawer.is-open{transform:translateX(0);}
.drawer-title{font-size:13px;font-weight:700;color:var(--c-ink-3);letter-spacing:1px;margin-bottom:14px;}
.drawer-links{display:flex;flex-direction:column;gap:4px;margin-bottom:24px;}
.drawer-links a{display:block;padding:12px 6px;font-size:16px;font-weight:500;color:var(--c-ink-2);border-bottom:1px solid var(--c-line);}
.drawer-links a:hover{color:var(--c-primary-deep);}
.drawer-cta{margin-top:auto;height:48px;}

/* ---------- article hero ---------- */
.article-hero{background:linear-gradient(180deg,var(--c-bg) 0%,var(--c-surface) 100%);border-bottom:1px solid var(--c-line);padding:30px 0 40px;margin-bottom:40px;}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:12px;color:var(--c-ink-3);margin-bottom:20px;}
.breadcrumb a{color:var(--c-ink-3);}
.breadcrumb a:hover{color:var(--c-primary);}
.breadcrumb .sep{color:#c3ccc7;}
.breadcrumb .current{color:var(--c-ink-2);}
.post-badge{display:inline-flex;align-items:center;gap:6px;background:var(--c-primary-soft);color:var(--c-primary-deep);font-size:12px;font-weight:600;padding:4px 12px;border-radius:var(--r-8);margin-bottom:14px;}
.post-title{font-size:clamp(26px,3vw,40px);line-height:1.32;font-weight:700;letter-spacing:-.5px;color:var(--c-ink);max-width:900px;margin-bottom:20px;}
.post-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px 16px;font-size:13px;color:var(--c-ink-3);}
.post-meta span{display:inline-flex;align-items:center;gap:6px;}
.post-meta svg{width:14px;height:14px;color:var(--c-primary);}
.post-meta .dot{width:4px;height:4px;border-radius:50%;background:#c9d2cd;padding:0;}

/* ---------- layout ---------- */
.article-layout{display:grid;grid-template-columns:minmax(0,2.05fr) minmax(0,1fr);gap:48px;align-items:start;padding-bottom:56px;}
.article-main{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-20);box-shadow:var(--sh-1);padding:36px 40px 40px;min-width:0;}
.article-body{font-size:17px;line-height:2.0;color:var(--c-ink-2);word-break:break-word;}
.article-body p{margin:0 0 18px;}
.article-body h2{font-size:24px;line-height:1.42;font-weight:700;color:var(--c-ink);margin:40px 0 16px;padding-left:14px;position:relative;scroll-margin-top:92px;}
.article-body h2:first-child{margin-top:0;}
.article-body h2::before{content:"";position:absolute;left:0;top:7px;bottom:7px;width:4px;border-radius:2px;background:var(--grad-brand);}
.article-body h3{font-size:19px;line-height:1.5;font-weight:600;color:var(--c-ink);margin:28px 0 12px;}
.article-body h4{font-size:17px;font-weight:600;color:var(--c-ink);margin:22px 0 10px;}
.article-body ul,.article-body ol{margin:0 0 18px;padding-left:24px;}
.article-body ul li{list-style:disc;}
.article-body ol li{list-style:decimal;}
.article-body li{margin-bottom:8px;}
.article-body li::marker{color:var(--c-primary);}
.article-body blockquote{margin:0 0 20px;padding:18px 22px;background:var(--c-primary-soft);border-left:4px solid var(--c-primary);border-radius:0 12px 12px 0;color:var(--c-ink-2);}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{border-radius:var(--r-16);margin:10px auto;box-shadow:var(--sh-1);height:auto;}
.article-body figure{margin:24px 0;}
.article-body figcaption{font-size:13px;color:var(--c-ink-3);text-align:center;margin-top:10px;}
.article-body table{width:100%;border-collapse:collapse;margin:0 0 20px;font-size:15px;border-radius:var(--r-12);overflow:hidden;box-shadow:0 0 0 1px var(--c-line);}
.article-body th{background:var(--c-surface-2);color:var(--c-ink);text-align:left;font-weight:600;}
.article-body th,.article-body td{padding:12px 16px;border-bottom:1px solid var(--c-line);line-height:1.7;}
.article-body tr:last-child td{border-bottom:0;}
.article-body a{color:var(--c-primary-deep);border-bottom:1px solid rgba(15,169,143,.35);}
.article-body a:hover{color:var(--c-primary);border-bottom-color:var(--c-primary);}
.article-body strong{color:var(--c-ink);font-weight:600;}
.article-body hr{border:0;border-top:1px solid var(--c-line);margin:32px 0;}

/* ---------- sidebar ---------- */
.article-side{position:sticky;top:88px;display:flex;flex-direction:column;gap:20px;min-width:0;}
.side-card{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-16);padding:20px;box-shadow:var(--sh-1);}
.side-card h3{display:flex;align-items:center;gap:8px;font-size:14px;font-weight:700;color:var(--c-ink);margin-bottom:14px;}
.side-card h3::before{content:"";width:20px;height:3px;border-radius:2px;background:var(--grad-brand);display:inline-block;}
.toc-list{max-height:320px;overflow:auto;}
.toc-list li{margin-bottom:2px;}
.toc-list a{display:block;font-size:14px;line-height:1.6;color:var(--c-ink-3);padding:7px 10px 7px 12px;border-left:2px solid transparent;border-radius:0 8px 8px 0;transition:background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);}
.toc-list a:hover{color:var(--c-primary-deep);background:var(--c-surface-2);}
.toc-list a.is-current{color:var(--c-primary-deep);font-weight:600;border-left-color:var(--c-primary);background:var(--c-primary-soft);}
.side-post{display:flex;gap:12px;padding:10px 0;border-bottom:1px dashed var(--c-line);align-items:center;}
.side-post:last-child{border-bottom:0;padding-bottom:0;}
.side-post img{width:76px;height:56px;border-radius:10px;object-fit:cover;flex:0 0 auto;background:var(--c-surface-2);}
.side-post span{font-size:13.5px;line-height:1.55;color:var(--c-ink-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;transition:color .2s var(--ease);}
.side-post:hover span{color:var(--c-primary-deep);}
.side-tip{background:var(--c-primary-soft);border-color:transparent;}
.side-tip p{font-size:13.5px;line-height:1.8;color:var(--c-ink-2);}

/* ---------- post footer ---------- */
.post-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:36px;padding-top:26px;border-top:1px solid var(--c-line);}
.tag{display:inline-flex;align-items:center;height:28px;padding:0 14px;border-radius:var(--r-pill);background:var(--c-surface-2);color:var(--c-ink-2);font-size:13px;transition:background .2s var(--ease),color .2s var(--ease);}
.tag:hover{background:var(--c-primary);color:#fff;}
.post-actions{display:flex;flex-wrap:wrap;align-items:center;gap:12px;margin-top:24px;}
.icon-btn{width:44px;height:44px;border-radius:50%;background:var(--c-surface-2);border:1px solid transparent;color:var(--c-ink-2);display:inline-flex;align-items:center;justify-content:center;transition:background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease),transform .2s var(--ease);}
.icon-btn:hover{background:var(--c-primary-soft);color:var(--c-primary-deep);border-color:var(--c-primary);transform:translateY(-2px);}
.icon-btn svg{width:18px;height:18px;}
.copy-note{font-size:12px;color:var(--c-primary-deep);opacity:0;transition:opacity .24s var(--ease);}
.copy-note.is-show{opacity:1;}

/* ---------- related ---------- */
.related-section{padding:8px 0 76px;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:24px;flex-wrap:wrap;}
.section-head h2{font-size:26px;line-height:1.35;font-weight:700;color:var(--c-ink);letter-spacing:-.3px;}
.section-head p{font-size:14px;color:var(--c-ink-3);margin-top:6px;}
.link-more{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--c-primary-deep);}
.link-more svg{width:15px;height:15px;transition:transform .2s var(--ease);}
.link-more:hover svg{transform:translateX(3px);}
.related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.post-card{display:block;background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-20);overflow:hidden;box-shadow:var(--sh-1);transition:transform .24s var(--ease),box-shadow .24s var(--ease);}
.post-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);}
.post-card .thumb{aspect-ratio:16/9;overflow:hidden;background:var(--c-surface-2);}
.post-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .24s var(--ease);}
.post-card:hover .thumb img{transform:scale(1.04);}
.post-card .body{padding:18px 20px 20px;}
.post-card .cat{display:inline-flex;align-items:center;font-size:12px;font-weight:600;color:var(--c-primary-deep);background:var(--c-primary-soft);padding:3px 10px;border-radius:var(--r-8);margin-bottom:10px;}
.post-card h3{font-size:17px;line-height:1.5;font-weight:600;color:var(--c-ink);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;margin-bottom:8px;}
.post-card:hover h3{color:var(--c-primary-deep);}
.post-card p{font-size:13.5px;line-height:1.7;color:var(--c-ink-3);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}

/* ---------- empty ---------- */
.empty-state{text-align:center;padding:56px 24px;border:1px dashed var(--c-line);border-radius:var(--r-16);background:var(--c-surface-2);}
.empty-state .empty-icon{width:56px;height:56px;border-radius:16px;background:#fff;display:grid;place-items:center;margin:0 auto 16px;box-shadow:var(--sh-1);}
.empty-state .empty-icon svg{width:26px;height:26px;color:var(--c-primary);}
.empty-state h2{font-size:20px;font-weight:700;color:var(--c-ink);margin-bottom:8px;}
.empty-state p{font-size:14.5px;color:var(--c-ink-3);margin-bottom:20px;line-height:1.8;}

/* ---------- CTA ---------- */
.cta-band{padding:0 0 80px;}
.cta-card{position:relative;overflow:hidden;background:var(--grad-brand);border-radius:var(--r-28);padding:44px 48px;display:flex;align-items:center;justify-content:space-between;gap:32px;box-shadow:var(--sh-2);}
.cta-card::after{content:"";position:absolute;right:-60px;bottom:-90px;width:280px;height:280px;border-radius:50%;background:rgba(255,255,255,.12);pointer-events:none;}
.cta-card h2{position:relative;font-size:clamp(20px,2.2vw,28px);line-height:1.4;font-weight:700;color:#fff;margin-bottom:10px;}
.cta-card p{position:relative;font-size:14.5px;line-height:1.8;color:rgba(255,255,255,.92);max-width:560px;}
.cta-card .btn{position:relative;background:#fff;color:var(--c-primary-deep);height:48px;padding:0 28px;box-shadow:0 10px 24px rgba(9,60,52,.18);}
.cta-card .btn:hover{transform:translateY(-2px);color:var(--c-primary-deep);}

/* ---------- footer ---------- */
.site-footer{background:var(--c-dark);color:#fff;padding:64px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;padding-bottom:48px;}
.footer-brand .brand{margin-bottom:16px;}
.footer-brand .brand-name{color:#fff;}
.footer-brand p{font-size:13.5px;line-height:1.9;color:rgba(255,255,255,.66);max-width:320px;}
.footer-col h3{font-size:14px;font-weight:700;color:#fff;margin-bottom:16px;position:relative;padding-bottom:12px;}
.footer-col h3::after{content:"";position:absolute;left:0;bottom:0;width:24px;height:3px;border-radius:2px;background:var(--grad-brand);}
.footer-col ul li{margin-bottom:10px;}
.footer-col ul a,.footer-col ul span{font-size:13.5px;color:rgba(255,255,255,.66);line-height:1.7;}
.footer-col ul a:hover{color:var(--c-accent);}
.footer-bottom{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;padding:20px 0;border-top:1px solid rgba(255,255,255,.12);font-size:12.5px;color:rgba(255,255,255,.55);}
.footer-bottom .domain{font-variant-numeric:tabular-nums;}

/* ---------- responsive ---------- */
@media (max-width:1199px){
  .article-layout{gap:32px;}
  .article-main{padding:30px 28px 34px;}
  .nav-search input{width:180px;}
  .nav-search input:focus{width:220px;}
}
@media (max-width:1023px){
  .nav-links{display:none;}
  .nav-toggle{display:flex;}
  .nav-search{display:none;}
  .nav-inner{height:60px;gap:16px;}
  .nav-tools{margin-left:auto;}
  .article-layout{grid-template-columns:minmax(0,1fr);gap:28px;}
  .article-side{position:static;flex-direction:column;}
  .article-body{font-size:16px;line-height:1.95;}
  .related-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .cta-card{flex-direction:column;align-items:flex-start;padding:36px 32px;}
}
@media (max-width:600px){
  .container{padding:0 16px;}
  .site-header .btn-ghost{display:none;}
  .brand-name{font-size:15px;}
  .article-hero{padding:22px 0 30px;margin-bottom:28px;}
  .post-title{font-size:24px;}
  .article-main{padding:22px 18px 26px;border-radius:var(--r-16);}
  .article-body{font-size:16px;}
  .article-body h2{font-size:20px;margin-top:32px;}
  .article-body h3{font-size:17px;}
  .related-grid{grid-template-columns:minmax(0,1fr);}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding-bottom:32px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .cta-card{padding:28px 22px;border-radius:var(--r-20);}
  .cta-band{padding-bottom:56px;}
  .related-section{padding-bottom:56px;}
  .section-head h2{font-size:22px;}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;scroll-behavior:auto !important;}
  .post-card:hover{transform:none;}
  .post-card:hover .thumb img{transform:none;}
}

/* roulang page: category2 */
:root{
  --c-primary:#0FA98F;
  --c-primary-deep:#0A7F6C;
  --c-primary-soft:#E6F6F1;
  --c-accent:#FF7A45;
  --c-accent-soft:#FFE9DE;
  --c-ink:#16241F;
  --c-ink-2:#3D4F49;
  --c-ink-3:#6B7C76;
  --c-bg:#F5F7F4;
  --c-surface:#FFFFFF;
  --c-surface-2:#EEF6F3;
  --c-line:#E6EAE6;
  --c-dark:#0E1F1A;
  --grad-brand:linear-gradient(120deg,#0FA98F 0%,#31C6A8 48%,#FFB25C 100%);
  --grad-warm:linear-gradient(135deg,#FF7A45 0%,#FFB25C 100%);
  --sh-1:0 2px 8px rgba(16,40,34,.06);
  --sh-2:0 12px 32px rgba(16,40,34,.10);
  --sh-3:0 24px 56px rgba(16,40,34,.14);
  --r-8:8px; --r-12:12px; --r-16:16px; --r-20:20px; --r-28:28px;
  --ease:cubic-bezier(.22,.61,.36,1);
  --header-h:68px;
}

/* ---------- reset ---------- */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--c-ink);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
h1,h2,h3,h4,h5,p,ul,ol,figure{margin:0;padding:0}
ul,ol{list-style:none}
a{color:var(--c-primary-deep);text-decoration:none;transition:color .2s var(--ease)}
a:hover{color:var(--c-primary-deep)}
img{max-width:100%;display:block;border:0}
button{font-family:inherit;font-size:inherit;color:inherit;background:none;border:0;padding:0;cursor:pointer}
input{font-family:inherit;font-size:inherit}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px;border-radius:6px}

/* ---------- 容器与栅格修正 ---------- */
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.row{max-width:none;margin-left:-12px;margin-right:-12px;display:flex;flex-wrap:wrap}
.row .column,.row .columns{padding-left:12px;padding-right:12px;float:none}
.num{font-variant-numeric:tabular-nums}

/* ---------- 按钮族 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 24px;border-radius:999px;
  font-size:15px;font-weight:600;line-height:1;white-space:nowrap;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),background-color .22s var(--ease),color .22s var(--ease),border-color .22s var(--ease);
  cursor:pointer;border:1px solid transparent;
}
.btn-primary{background:var(--grad-brand);color:#fff;box-shadow:0 6px 18px rgba(15,169,143,.22)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:var(--sh-2);color:#fff}
.btn-primary:active{transform:translateY(0);box-shadow:var(--sh-1)}
.btn-ghost{background:transparent;border-color:var(--c-line);color:var(--c-ink-2)}
.btn-ghost:hover{border-color:var(--c-primary);color:var(--c-primary-deep);transform:translateY(-2px);box-shadow:var(--sh-1)}
.btn-outline{background:#fff;border-color:var(--c-primary);color:var(--c-primary-deep)}
.btn-outline:hover{background:var(--c-primary-soft);transform:translateY(-2px);box-shadow:var(--sh-1)}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--c-primary-deep)}
.link-arrow i{transition:transform .22s var(--ease);font-size:12px}
.link-arrow:hover i{transform:translateX(3px)}

/* ---------- 徽章 ---------- */
.badge{display:inline-flex;align-items:center;gap:6px;padding:3px 10px;border-radius:var(--r-8);font-size:12px;font-weight:600;line-height:1.8}
.badge-soft{background:var(--c-primary-soft);color:var(--c-primary-deep)}
.badge-warm{background:var(--c-accent-soft);color:#C2521F}
.badge-line{background:rgba(255,255,255,.9);border:1px solid var(--c-line);color:var(--c-ink-2)}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:120;background:#fff;
  border-bottom:1px solid var(--c-line);
  transition:box-shadow .24s var(--ease);
}
.site-header.is-scrolled{box-shadow:var(--sh-1)}
.header-inner{display:flex;align-items:center;gap:22px;height:var(--header-h)}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{
  width:38px;height:38px;border-radius:12px;background:var(--grad-brand);
  display:grid;place-items:center;box-shadow:0 6px 14px rgba(15,169,143,.25);
}
.brand-mark svg{width:22px;height:22px}
.brand-name{font-size:17px;font-weight:700;color:var(--c-ink);letter-spacing:-.2px;white-space:nowrap}
.nav-links{display:flex;align-items:center;gap:28px;margin-left:6px}
.nav-links a{
  position:relative;display:inline-block;padding:6px 0;
  font-size:15px;font-weight:500;color:var(--c-ink-2);
  transition:color .2s var(--ease),transform .2s var(--ease);
}
.nav-links a:hover{color:var(--c-primary);transform:translateY(-1px)}
.nav-links a.is-active{color:var(--c-primary-deep);font-weight:600}
.nav-links a.is-active::after{
  content:"";position:absolute;left:0;right:0;bottom:-4px;height:2px;border-radius:2px;background:var(--grad-brand);
}
.header-actions{display:flex;align-items:center;gap:12px;margin-left:auto}
.search-box{position:relative;display:flex;align-items:center}
.search-box i{position:absolute;left:16px;font-size:13px;color:var(--c-ink-3);pointer-events:none}
.search-box input{
  width:220px;height:42px;padding:0 16px 0 38px;border:1px solid transparent;border-radius:999px;
  background:var(--c-surface-2);color:var(--c-ink);font-size:14px;
  transition:width .26s var(--ease),background-color .26s var(--ease),border-color .26s var(--ease),box-shadow .26s var(--ease);
  -webkit-appearance:none;appearance:none;
}
.search-box input::placeholder{color:var(--c-ink-3)}
.search-box input:focus{
  width:280px;background:#fff;border-color:var(--c-primary);outline:none;
  box-shadow:0 0 0 3px rgba(15,169,143,.15);
}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;background:var(--c-surface-2);
  color:var(--c-ink);font-size:17px;
}
.drawer-mask{
  position:fixed;inset:0;background:rgba(14,31,26,.45);opacity:0;visibility:hidden;
  transition:opacity .26s var(--ease),visibility .26s var(--ease);z-index:200;
}
.drawer-mask.is-open{opacity:1;visibility:visible}
.mobile-drawer{
  position:fixed;top:0;right:0;bottom:0;width:86%;max-width:360px;background:#fff;z-index:210;
  transform:translateX(100%);transition:transform .3s var(--ease);
  display:flex;flex-direction:column;padding:20px 22px 0;overflow-y:auto;
}
.mobile-drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:16px;border-bottom:1px solid var(--c-line)}
.drawer-close{width:40px;height:40px;border-radius:12px;background:var(--c-surface-2);color:var(--c-ink-2);font-size:16px}
.drawer-links{padding:18px 0;display:flex;flex-direction:column;gap:4px}
.drawer-links a{display:block;padding:14px 4px;font-size:16px;font-weight:500;color:var(--c-ink-2);border-bottom:1px solid var(--c-line)}
.drawer-links a.is-active{color:var(--c-primary-deep);font-weight:600}
.drawer-foot{margin-top:auto;padding:20px 0 24px}
.drawer-foot .btn{width:100%}

/* ---------- 页面通用 ---------- */
.section{padding:80px 0}
.section-tight{padding:56px 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:32px;flex-wrap:wrap}
.section-head h2{font-size:28px;line-height:1.3;font-weight:700;letter-spacing:-.3px;color:var(--c-ink)}
.section-head p{font-size:15px;color:var(--c-ink-3);margin-top:6px;line-height:1.7}

/* ---------- 顶部横幅 ---------- */
.banner-wrap{padding-top:32px}
.page-banner{
  position:relative;overflow:hidden;border-radius:24px;
  background:var(--c-surface-2);
  padding:44px 40px;
  box-shadow:var(--sh-1);
}
.page-banner::before{
  content:"";position:absolute;inset:0;
  background-image:url("/assets/images/backpic/back-2.png");
  background-size:cover;background-position:center;
  opacity:.10;pointer-events:none;
}
.page-banner::after{
  content:"";position:absolute;right:-90px;top:-90px;width:320px;height:320px;border-radius:50%;
  background:radial-gradient(circle,rgba(15,169,143,.22),rgba(15,169,143,0) 68%);
  pointer-events:none;
}
.banner-inner{position:relative;z-index:2;display:flex;align-items:center;gap:32px;flex-wrap:wrap}
.banner-text{flex:1 1 460px;min-width:280px}
.banner-text h1{
  font-size:clamp(28px,3.2vw,38px);line-height:1.25;font-weight:700;letter-spacing:-.5px;color:var(--c-ink);
}
.banner-text .lead{font-size:16px;color:var(--c-ink-2);margin-top:14px;line-height:1.85;max-width:520px}
.banner-actions{display:flex;align-items:center;gap:14px;margin-top:26px;flex-wrap:wrap}
.banner-note{display:flex;align-items:center;gap:8px;margin-top:22px;font-size:13px;color:var(--c-ink-3)}
.banner-note i{color:var(--c-primary)}
.banner-card{
  flex:0 0 auto;width:170px;aspect-ratio:9/16;border-radius:20px;overflow:hidden;
  box-shadow:var(--sh-3);transform:rotate(-3deg);background:var(--c-surface);
  position:relative;
}
.banner-card img{width:100%;height:100%;object-fit:cover}
.banner-card .cap{
  position:absolute;left:0;right:0;bottom:0;padding:14px 12px;
  background:linear-gradient(180deg,rgba(14,31,26,0) 0%,rgba(14,31,26,.82) 100%);
  color:#fff;font-size:12px;line-height:1.5;font-weight:500;
}
.banner-card .tag-top{position:absolute;top:10px;left:10px}

/* ---------- 安全项卡片矩阵 ---------- */
.sec-grid{margin-top:-12px}
.sec-card{
  position:relative;height:100%;background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-20);padding:24px;box-shadow:var(--sh-1);
  transition:transform .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease);
  display:flex;flex-direction:column;gap:12px;
}
.sec-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#D6E6E0}
.sec-card .status{position:absolute;top:20px;right:20px}
.sec-icon{
  width:48px;height:48px;border-radius:14px;background:var(--c-primary-soft);color:var(--c-primary-deep);
  display:grid;place-items:center;font-size:19px;flex:0 0 auto;
}
.sec-card h3{font-size:18px;line-height:1.45;font-weight:600;color:var(--c-ink);padding-right:64px}
.sec-card p{font-size:14px;line-height:1.8;color:var(--c-ink-2)}
.sec-card .meta{font-size:13px;color:var(--c-ink-3);display:flex;align-items:center;gap:6px;margin-top:auto;padding-top:8px}
.sec-card .meta i{color:var(--c-primary);font-size:12px}

/* ---------- 自查清单 ---------- */
.check-section{background:var(--c-surface);border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line)}
.check-layout{display:flex;gap:40px;align-items:flex-start;flex-wrap:wrap}
.check-intro{flex:1 1 320px;min-width:260px}
.check-intro h2{font-size:28px;font-weight:700;line-height:1.32;letter-spacing:-.3px}
.check-intro p{font-size:15px;color:var(--c-ink-2);margin-top:14px;line-height:1.85}
.check-tip{
  margin-top:24px;background:var(--c-surface-2);border-radius:var(--r-16);padding:18px 20px;
  font-size:14px;color:var(--c-ink-2);line-height:1.8;border-left:4px solid var(--c-primary);
}
.check-list{flex:1 1 520px;min-width:280px;display:flex;flex-direction:column;gap:12px}
.check-item{
  display:flex;align-items:flex-start;gap:14px;padding:18px 20px;border:1px solid var(--c-line);
  border-radius:var(--r-16);background:var(--c-surface);cursor:pointer;
  transition:border-color .22s var(--ease),box-shadow .22s var(--ease),background-color .22s var(--ease);
}
.check-item:hover{border-color:#D6E6E0;box-shadow:var(--sh-1)}
.check-item input{position:absolute;opacity:0;width:0;height:0}
.check-box{
  flex:0 0 auto;width:20px;height:20px;margin-top:3px;border-radius:6px;border:1.5px solid #C9D6D1;
  background:#fff;display:grid;place-items:center;transition:all .2s var(--ease);
}
.check-box i{font-size:11px;color:#fff;opacity:0;transform:scale(.6);transition:all .2s var(--ease)}
.check-item input:checked + .check-box{background:var(--c-primary);border-color:var(--c-primary)}
.check-item input:checked + .check-box i{opacity:1;transform:scale(1)}
.check-item input:focus-visible + .check-box{outline:2px solid var(--c-accent);outline-offset:2px}
.check-body{flex:1 1 auto}
.check-body strong{display:block;font-size:15px;font-weight:600;color:var(--c-ink);line-height:1.5}
.check-body span{display:block;font-size:13px;color:var(--c-ink-3);margin-top:4px;line-height:1.7}

/* ---------- 提示条 ---------- */
.alert-bar{
  display:flex;align-items:flex-start;gap:14px;background:var(--c-accent-soft);
  border-left:4px solid var(--c-accent);border-radius:12px;padding:18px 22px;
  font-size:14px;line-height:1.8;color:#7A3A1A;margin-top:40px;
}
.alert-bar i{color:var(--c-accent);font-size:16px;margin-top:3px}

/* ---------- 答疑卡 ---------- */
.qa-grid{display:flex;flex-wrap:wrap;gap:24px;margin-top:-12px}
.qa-card{
  flex:1 1 calc(50% - 24px);min-width:260px;background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-20);padding:24px;box-shadow:var(--sh-1);
  transition:transform .24s var(--ease),box-shadow .24s var(--ease);
}
.qa-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.qa-card h3{display:flex;align-items:flex-start;gap:10px;font-size:17px;font-weight:600;line-height:1.5;color:var(--c-ink)}
.qa-card h3 i{color:var(--c-primary);font-size:15px;margin-top:4px;flex:0 0 auto}
.qa-card p{font-size:14.5px;line-height:1.85;color:var(--c-ink-2);margin-top:10px;padding-left:25px}

/* ---------- CTA ---------- */
.cta-band{
  position:relative;overflow:hidden;border-radius:var(--r-28);
  background:var(--grad-brand);padding:48px 44px;
  display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
  box-shadow:var(--sh-2);
}
.cta-band::after{
  content:"";position:absolute;right:-60px;bottom:-120px;width:340px;height:340px;border-radius:50%;
  border:36px solid rgba(255,255,255,.12);pointer-events:none;
}
.cta-band h2{position:relative;z-index:2;color:#fff;font-size:clamp(22px,2.4vw,28px);font-weight:700;line-height:1.35;letter-spacing:-.3px}
.cta-band p{position:relative;z-index:2;color:rgba(255,255,255,.92);font-size:15px;margin-top:10px;line-height:1.8}
.cta-band .btn{position:relative;z-index:2;background:#fff;color:var(--c-primary-deep);box-shadow:0 10px 26px rgba(10,60,50,.18)}
.cta-band .btn:hover{transform:translateY(-2px);box-shadow:0 16px 34px rgba(10,60,50,.24);background:#fff;color:var(--c-primary-deep)}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--c-dark);color:rgba(255,255,255,.72);padding:64px 0 0;margin-top:80px}
.footer-grid{display:flex;flex-wrap:wrap;gap:40px 24px}
.footer-brand{flex:1 1 300px;min-width:260px}
.footer-brand .brand-name{color:#fff}
.footer-brand p{font-size:14px;line-height:1.85;margin-top:16px;max-width:340px;color:rgba(255,255,255,.62)}
.footer-col{flex:1 1 180px;min-width:150px}
.footer-col h3{position:relative;color:#fff;font-size:14px;font-weight:700;padding-bottom:12px;margin-bottom:14px}
.footer-col h3::after{content:"";position:absolute;left:0;bottom:0;width:24px;height:2px;border-radius:2px;background:var(--grad-brand)}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col li a,.footer-col li span{font-size:14px;color:rgba(255,255,255,.66);line-height:1.7;transition:color .2s var(--ease)}
.footer-col li a:hover{color:var(--c-accent)}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  margin-top:48px;padding:22px 0;border-top:1px solid rgba(255,255,255,.12);
  font-size:13px;color:rgba(255,255,255,.55);
}
.footer-bottom .domain{color:rgba(255,255,255,.55)}
.site-footer .brand-mark{box-shadow:none}

/* ---------- 响应式 ---------- */
@media screen and (max-width:1199px){
  .nav-links{gap:20px}
  .search-box input{width:180px}
  .search-box input:focus{width:220px}
  .banner-card{width:150px}
}
@media screen and (max-width:991px){
  :root{--header-h:60px}
  .nav-links{display:none}
  .nav-toggle{display:grid;place-items:center}
  .search-box{display:none}
  .header-actions .btn-ghost{display:none}
  .section{padding:56px 0}
  .section-tight{padding:44px 0}
  .page-banner{padding:34px 26px}
  .banner-inner{gap:24px}
  .banner-card{width:130px}
  .cta-band{padding:36px 28px}
  .site-footer{padding:48px 0 0;margin-top:56px}
}
@media screen and (max-width:767px){
  .container{padding:0 16px}
  .section{padding:44px 0}
  .section-head{margin-bottom:22px}
  .section-head h2{font-size:23px}
  .banner-text h1{font-size:26px}
  .banner-text .lead{font-size:15px}
  .page-banner{border-radius:20px;padding:28px 20px}
  .banner-card{display:none}
  .check-layout{gap:26px}
  .check-intro h2{font-size:23px}
  .sec-card{padding:20px}
  .sec-card h3{font-size:16.5px;padding-right:58px}
  .qa-card{flex:1 1 100%}
  .cta-band{padding:30px 22px;border-radius:20px}
  .cta-band .btn{width:100%}
  .footer-grid{gap:32px 24px}
  .footer-col{flex:1 1 42%}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px}
  .alert-bar{font-size:13.5px;padding:16px 18px}
}
@media screen and (max-width:575px){
  :root{--header-h:56px}
  .brand-name{font-size:15.5px}
  .brand-mark{width:34px;height:34px;border-radius:10px}
  .header-actions .btn-primary{height:38px;padding:0 16px;font-size:13.5px}
  .sec-grid .column,.sec-grid .columns{flex:0 0 100%;max-width:100%}
  .qa-card{padding:20px}
  .qa-card h3{font-size:16px}
  .check-item{padding:16px}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important;scroll-behavior:auto!important}
  .sec-card:hover,.qa-card:hover,.btn:hover{transform:none!important}
}

/* roulang page: category3 */
:root{
  --c-primary:#0FA98F;
  --c-primary-deep:#0A7F6C;
  --c-primary-soft:#E6F6F1;
  --c-accent:#FF7A45;
  --c-accent-soft:#FFE9DE;
  --c-ink:#16241F;
  --c-ink-2:#3D4F49;
  --c-ink-3:#6B7C76;
  --c-white:#FFFFFF;
  --c-bg:#F5F7F4;
  --c-surface:#FFFFFF;
  --c-surface-2:#EEF6F3;
  --c-line:#E6EAE6;
  --c-dark:#0E1F1A;
  --grad-brand:linear-gradient(120deg,#0FA98F 0%,#31C6A8 48%,#FFB25C 100%);
  --grad-warm:linear-gradient(135deg,#FF7A45 0%,#FFB25C 100%);
  --sh-1:0 2px 8px rgba(16,40,34,.06);
  --sh-2:0 12px 32px rgba(16,40,34,.10);
  --sh-3:0 24px 56px rgba(16,40,34,.14);
  --r-8:8px;
  --r-12:12px;
  --r-16:16px;
  --r-20:20px;
  --r-28:28px;
  --r-999:999px;
  --sp-1:4px;
  --sp-2:8px;
  --sp-3:12px;
  --sp-4:16px;
  --sp-5:24px;
  --sp-6:32px;
  --sp-7:48px;
  --sp-8:64px;
  --sp-9:96px;
  --ease:cubic-bezier(.22,.61,.36,1);
  --t:220ms var(--ease);
  --header-h:68px;
  --z-header:900;
  --z-drawer:1000;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--c-ink);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
  font-variant-numeric:tabular-nums;
}
img{max-width:100%;display:block;border:0;}
a{color:var(--c-primary-deep);text-decoration:none;transition:color var(--t),background-color var(--t);}
a:hover{color:var(--c-primary);}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{padding:0;list-style:none;}
button{font-family:inherit;cursor:pointer;}
input,textarea,select{font-family:inherit;font-size:15px;}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px;}
::selection{background:var(--c-primary-soft);color:var(--c-primary-deep);}

.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding-left:24px;
  padding-right:24px;
}
.row{max-width:1200px;}
.row.gutter-24{margin-left:-12px;margin-right:-12px;}
.row.gutter-24 > .columns{padding-left:12px;padding-right:12px;}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:var(--z-header);
  background:#fff;
  border-bottom:1px solid var(--c-line);
  transition:box-shadow var(--t);
}
.site-header.is-scrolled{box-shadow:var(--sh-1);}
.header-inner{
  display:flex;
  align-items:center;
  gap:24px;
  height:var(--header-h);
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  flex-shrink:0;
  color:var(--c-ink);
}
.brand:hover{color:var(--c-ink);}
.brand-mark{
  width:38px;
  height:38px;
  border-radius:12px;
  background:var(--grad-brand);
  display:inline-flex;
  align-items:center;
  justify-content:center;
  box-shadow:0 6px 16px rgba(15,169,143,.28);
  flex-shrink:0;
}
.brand-mark svg{width:22px;height:22px;}
.brand-name{
  font-size:17px;
  font-weight:700;
  letter-spacing:.2px;
  white-space:nowrap;
}
.nav-links{
  display:flex;
  align-items:center;
  gap:28px;
  margin-left:8px;
  flex:1 1 auto;
}
.nav-links a{
  position:relative;
  font-size:15px;
  font-weight:500;
  color:var(--c-ink-2);
  padding:6px 0;
  white-space:nowrap;
  transition:color var(--t),transform var(--t);
}
.nav-links a::after{
  content:"";
  position:absolute;
  left:0;
  right:0;
  bottom:-2px;
  height:2px;
  border-radius:2px 2px 0 0;
  background:var(--grad-brand);
  transform:scaleX(0);
  transform-origin:left center;
  transition:transform var(--t);
}
.nav-links a:hover{color:var(--c-primary);transform:translateY(-1px);}
.nav-links a:hover::after,
.nav-links a.is-active::after{transform:scaleX(1);}
.nav-links a.is-active{color:var(--c-primary-deep);font-weight:600;}
.header-actions{
  display:flex;
  align-items:center;
  gap:12px;
  flex-shrink:0;
}
.nav-search{
  position:relative;
  display:flex;
  align-items:center;
}
.nav-search i{
  position:absolute;
  left:14px;
  font-size:13px;
  color:var(--c-ink-3);
  pointer-events:none;
}
.nav-search input{
  width:220px;
  height:40px;
  border:0;
  border-radius:var(--r-999);
  background:var(--c-surface-2);
  padding:0 16px 0 36px;
  color:var(--c-ink);
  transition:width var(--t),background var(--t),box-shadow var(--t);
}
.nav-search input::placeholder{color:var(--c-ink-3);}
.nav-search input:focus{
  outline:none;
  width:280px;
  background:#fff;
  box-shadow:0 0 0 2px var(--c-primary),0 0 0 5px rgba(15,169,143,.15);
}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:42px;
  padding:0 22px;
  border-radius:var(--r-999);
  border:1px solid transparent;
  font-size:15px;
  font-weight:600;
  line-height:1;
  white-space:nowrap;
  transition:transform var(--t),box-shadow var(--t),background var(--t),color var(--t),border-color var(--t);
}
.btn-primary{
  background:var(--grad-brand);
  color:#fff;
  box-shadow:0 6px 18px rgba(15,169,143,.24);
}
.btn-primary:hover{color:#fff;transform:translateY(-2px);box-shadow:var(--sh-2);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{
  background:transparent;
  color:var(--c-ink-2);
  border-color:var(--c-line);
}
.btn-ghost:hover{
  color:var(--c-primary-deep);
  border-color:var(--c-primary);
  background:var(--c-primary-soft);
}
.btn-secondary{
  background:#fff;
  color:var(--c-primary-deep);
  border-color:var(--c-primary);
}
.btn-secondary:hover{
  background:var(--c-primary-soft);
  color:var(--c-primary-deep);
  transform:translateY(-2px);
  box-shadow:var(--sh-1);
}
.btn-white{
  background:#fff;
  color:var(--c-primary-deep);
  box-shadow:var(--sh-2);
}
.btn-white:hover{color:var(--c-primary-deep);transform:translateY(-2px);box-shadow:var(--sh-3);}
.btn-lg{height:50px;padding:0 30px;font-size:16px;}
.link-arrow{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:14px;
  font-weight:600;
  color:var(--c-primary-deep);
}
.link-arrow i{transition:transform var(--t);font-size:12px;}
.link-arrow:hover i{transform:translateX(3px);}
.menu-toggle{
  display:none;
  width:44px;
  height:44px;
  border:1px solid var(--c-line);
  border-radius:var(--r-12);
  background:#fff;
  color:var(--c-ink-2);
  font-size:17px;
  align-items:center;
  justify-content:center;
  transition:background var(--t),color var(--t);
}
.menu-toggle:hover{background:var(--c-surface-2);color:var(--c-primary-deep);}

/* 移动抽屉 */
.drawer-mask{
  position:fixed;
  inset:0;
  background:rgba(14,31,26,.45);
  opacity:0;
  visibility:hidden;
  transition:opacity var(--t),visibility var(--t);
  z-index:var(--z-drawer);
}
.drawer-mask.is-open{opacity:1;visibility:visible;}
.mobile-drawer{
  position:fixed;
  top:0;
  right:0;
  bottom:0;
  width:86%;
  max-width:360px;
  background:#fff;
  z-index:calc(var(--z-drawer) + 1);
  transform:translateX(100%);
  transition:transform 260ms var(--ease);
  display:flex;
  flex-direction:column;
  padding:20px 22px 24px;
  overflow-y:auto;
}
.mobile-drawer.is-open{transform:translateX(0);}
.drawer-head{
  display:flex;
  align-items:center;
  justify-content:space-between;
  margin-bottom:20px;
}
.drawer-close{
  width:40px;
  height:40px;
  border-radius:var(--r-12);
  border:1px solid var(--c-line);
  background:#fff;
  color:var(--c-ink-2);
  font-size:16px;
}
.drawer-links{display:flex;flex-direction:column;gap:2px;}
.drawer-links a{
  display:block;
  padding:14px 4px;
  font-size:16px;
  font-weight:500;
  color:var(--c-ink-2);
  border-bottom:1px solid var(--c-line);
}
.drawer-links a.is-active{color:var(--c-primary-deep);font-weight:700;}
.drawer-links a:hover{color:var(--c-primary);}
.drawer-foot{margin-top:auto;padding-top:24px;}
.drawer-foot .btn{width:100%;}

/* ============ 页面 banner ============ */
.page-banner{
  position:relative;
  overflow:hidden;
  padding:56px 0 52px;
  background:var(--c-surface-2);
  border-bottom:1px solid var(--c-line);
}
.page-banner::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:url("/assets/images/backpic/back-1.webp");
  background-size:cover;
  background-position:center;
  opacity:.10;
  pointer-events:none;
}
.page-banner::after{
  content:"";
  position:absolute;
  width:520px;
  height:520px;
  right:-160px;
  top:-220px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(15,169,143,.18) 0%,rgba(15,169,143,0) 68%);
  pointer-events:none;
}
.banner-inner{
  position:relative;
  z-index:2;
  display:flex;
  align-items:center;
  gap:48px;
}
.banner-text{flex:1 1 auto;max-width:720px;}
.crumb{
  display:flex;
  align-items:center;
  gap:8px;
  font-size:12px;
  color:var(--c-ink-3);
  margin-bottom:16px;
}
.crumb a{color:var(--c-ink-3);}
.crumb a:hover{color:var(--c-primary);}
.crumb i{font-size:9px;}
.banner-text h1{
  font-size:clamp(28px,3.2vw,42px);
  line-height:1.24;
  font-weight:700;
  letter-spacing:-.5px;
  color:var(--c-ink);
}
.banner-text h1 em{
  font-style:normal;
  color:var(--c-primary-deep);
}
.banner-sub{
  margin-top:14px;
  font-size:17px;
  color:var(--c-ink-2);
  max-width:560px;
}
.banner-desc{
  margin-top:12px;
  font-size:15px;
  line-height:1.85;
  color:var(--c-ink-3);
  max-width:600px;
}
.banner-stats{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin-top:24px;
}
.stat-badge{
  display:inline-flex;
  align-items:center;
  gap:8px;
  height:32px;
  padding:0 14px;
  border-radius:var(--r-999);
  background:rgba(255,255,255,.92);
  border:1px solid var(--c-line);
  font-size:12px;
  color:var(--c-ink-3);
}
.stat-badge b{
  font-size:15px;
  font-weight:700;
  color:var(--c-primary-deep);
}
.banner-figure{
  flex:0 0 auto;
  width:186px;
  aspect-ratio:9/16;
  border-radius:var(--r-20);
  overflow:hidden;
  position:relative;
  box-shadow:var(--sh-3);
  transform:rotate(3deg);
  background:var(--c-surface);
}
.banner-figure img{width:100%;height:100%;object-fit:cover;}
.banner-figure figcaption{
  position:absolute;
  left:0;right:0;bottom:0;
  padding:26px 12px 12px;
  font-size:12px;
  line-height:1.5;
  color:#fff;
  background:linear-gradient(180deg,rgba(14,31,26,0) 0%,rgba(14,31,26,.78) 100%);
}

/* ============ 板块通用 ============ */
.section{padding:80px 0;}
.section-tight{padding:56px 0;}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  margin-bottom:32px;
}
.section-head h2{
  font-size:28px;
  line-height:1.3;
  font-weight:700;
  letter-spacing:-.3px;
}
.section-head p{
  margin-top:8px;
  font-size:15px;
  color:var(--c-ink-3);
}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:12px;
  font-weight:600;
  letter-spacing:1px;
  color:var(--c-primary-deep);
  background:var(--c-primary-soft);
  border-radius:var(--r-8);
  padding:4px 10px;
  margin-bottom:14px;
}
.eyebrow::before{
  content:"";
  width:6px;height:6px;border-radius:50%;
  background:var(--c-accent);
}

/* ============ 杂志错落网格 ============ */
.magazine-grid{margin-bottom:32px;}
.feature-card{
  position:relative;
  border-radius:var(--r-20);
  overflow:hidden;
  background:var(--c-surface);
  border:1px solid var(--c-line);
  box-shadow:var(--sh-1);
  transition:transform var(--t),box-shadow var(--t);
  height:100%;
}
.feature-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);}
.feature-media{
  position:relative;
  overflow:hidden;
  background:var(--c-surface-2);
}
.feature-media img{
  width:100%;
  height:100%;
  object-fit:cover;
  transition:transform 240ms var(--ease);
}
.feature-card:hover .feature-media img{transform:scale(1.04);}
.feature-lead .feature-media{aspect-ratio:16/9;}
.feature-mid .feature-media{aspect-ratio:4/3;}
.feature-body{
  position:absolute;
  left:0;right:0;bottom:0;
  padding:64px 24px 22px;
  background:linear-gradient(180deg,rgba(14,31,26,0) 0%,rgba(14,31,26,.82) 62%,rgba(14,31,26,.92) 100%);
  color:#fff;
}
.feature-body h3{
  font-size:20px;
  line-height:1.45;
  font-weight:600;
  color:#fff;
}
.feature-lead .feature-body h3{font-size:23px;}
.feature-body p{
  margin-top:8px;
  font-size:14px;
  line-height:1.75;
  color:rgba(255,255,255,.82);
  max-width:520px;
}
.feature-badges{
  display:flex;
  flex-wrap:wrap;
  gap:8px;
  margin-top:14px;
  transition:transform var(--t);
}
.feature-card:hover .feature-badges{transform:translateY(-2px);}
.data-badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  height:30px;
  padding:0 12px;
  border-radius:var(--r-999);
  background:rgba(255,255,255,.92);
  border:1px solid var(--c-line);
  font-size:12px;
  color:var(--c-ink-3);
  backdrop-filter:none;
}
.data-badge b{
  font-size:14px;
  font-weight:700;
  color:var(--c-primary-deep);
}
.feature-mid + .feature-mid{margin-top:24px;}
.tag-chip{
  display:inline-block;
  font-size:12px;
  padding:3px 10px;
  border-radius:var(--r-8);
  background:var(--c-primary-soft);
  color:var(--c-primary-deep);
  font-weight:600;
}

/* ============ 竖屏功能卡 ============ */
.portrait-track{
  display:flex;
  gap:24px;
  overflow-x:auto;
  padding-bottom:8px;
  scroll-snap-type:x mandatory;
  scrollbar-width:none;
}
.portrait-track::-webkit-scrollbar{display:none;}
.portrait-card{
  flex:1 1 0;
  min-width:0;
  scroll-snap-align:start;
  border-radius:var(--r-28);
  overflow:hidden;
  position:relative;
  background:var(--c-surface);
  border:1px solid var(--c-line);
  box-shadow:var(--sh-1);
  transition:transform var(--t),box-shadow var(--t);
}
.portrait-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);}
.portrait-media{
  position:relative;
  aspect-ratio:9/16;
  overflow:hidden;
  background:var(--c-surface-2);
}
.portrait-media img{
  width:100%;height:100%;object-fit:cover;
  transition:transform 240ms var(--ease);
}
.portrait-card:hover .portrait-media img{transform:scale(1.04);}
.portrait-badge{
  position:absolute;
  top:12px;left:12px;
  font-size:12px;
  font-weight:600;
  color:#fff;
  background:rgba(14,31,26,.6);
  border-radius:6px;
  padding:3px 9px;
}
.portrait-body{
  position:absolute;
  left:0;right:0;bottom:0;
  padding:56px 16px 16px;
  background:linear-gradient(180deg,rgba(14,31,26,0) 0%,rgba(14,31,26,.85) 100%);
  color:#fff;
}
.portrait-body h3{
  font-size:16px;
  font-weight:600;
  color:#fff;
  line-height:1.5;
}
.portrait-body p{
  margin-top:6px;
  font-size:12.5px;
  line-height:1.7;
  color:rgba(255,255,255,.8);
}
.portrait-body .data-badge{margin-top:10px;height:26px;padding:0 10px;}
.portrait-body .data-badge b{font-size:13px;}
.portrait-scroll-hint{
  display:none;
  font-size:12px;
  color:var(--c-ink-3);
  margin-top:10px;
}

/* ============ 模块速查清单 ============ */
.check-list{
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-20);
  box-shadow:var(--sh-1);
  padding:8px 24px;
}
.check-item{
  display:flex;
  align-items:center;
  gap:18px;
  padding:18px 0;
  border-bottom:1px solid var(--c-line);
  position:relative;
  transition:padding-left var(--t);
}
.check-item:last-child{border-bottom:0;}
.check-item::before{
  content:"";
  position:absolute;
  left:-24px;
  top:14px;
  bottom:14px;
  width:3px;
  border-radius:0 3px 3px 0;
  background:var(--grad-brand);
  transform:scaleY(0);
  transform-origin:center;
  transition:transform var(--t);
}
.check-item:hover{padding-left:6px;}
.check-item:hover::before{transform:scaleY(1);}
.check-num{
  font-size:24px;
  font-weight:700;
  line-height:1;
  background:var(--grad-brand);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
  flex:0 0 auto;
  min-width:34px;
}
.check-thumb{
  flex:0 0 auto;
  width:96px;
  height:72px;
  border-radius:var(--r-12);
  overflow:hidden;
  background:var(--c-surface-2);
}
.check-thumb img{width:100%;height:100%;object-fit:cover;}
.check-main{flex:1 1 auto;min-width:0;}
.check-main h3{
  font-size:16px;
  font-weight:600;
  line-height:1.5;
  color:var(--c-ink);
}
.check-main p{
  font-size:13.5px;
  line-height:1.7;
  color:var(--c-ink-3);
  margin-top:2px;
  overflow:hidden;
  text-overflow:ellipsis;
  white-space:nowrap;
}
.check-side{
  flex:0 0 auto;
  display:flex;
  align-items:center;
  gap:14px;
}
.check-side .data-badge{background:var(--c-surface-2);}

/* ============ 操作路径时间线 ============ */
.path-timeline{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:24px;
  position:relative;
}
.path-timeline::before{
  content:"";
  position:absolute;
  left:26px;
  right:26px;
  top:22px;
  height:2px;
  background:repeating-linear-gradient(90deg,var(--c-line) 0 10px,transparent 10px 20px);
}
.path-step{position:relative;padding-top:0;}
.path-dot{
  width:44px;
  height:44px;
  border-radius:50%;
  background:var(--grad-brand);
  color:#fff;
  font-weight:700;
  font-size:16px;
  display:flex;
  align-items:center;
  justify-content:center;
  box-shadow:0 8px 18px rgba(15,169,143,.26);
  position:relative;
  z-index:2;
  transition:transform var(--t);
}
.path-step:hover .path-dot{transform:scale(1.06);}
.path-step h3{
  margin-top:16px;
  font-size:17px;
  font-weight:600;
}
.path-step p{
  margin-top:6px;
  font-size:14px;
  line-height:1.75;
  color:var(--c-ink-3);
}

/* ============ 相关指引 ============ */
.guide-links{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
}
.guide-link{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:12px 18px;
  border-radius:var(--r-999);
  background:var(--c-surface);
  border:1px solid var(--c-line);
  font-size:14px;
  font-weight:600;
  color:var(--c-ink-2);
  box-shadow:var(--sh-1);
  transition:color var(--t),border-color var(--t),transform var(--t),box-shadow var(--t);
}
.guide-link i{font-size:12px;color:var(--c-primary);transition:transform var(--t);}
.guide-link:hover{
  color:var(--c-primary-deep);
  border-color:var(--c-primary);
  transform:translateY(-2px);
  box-shadow:var(--sh-2);
}
.guide-link:hover i{transform:translateX(3px);}
.notice-bar{
  display:flex;
  align-items:flex-start;
  gap:12px;
  margin-top:28px;
  padding:16px 20px;
  border-radius:var(--r-12);
  background:var(--c-accent-soft);
  border-left:4px solid var(--c-accent);
  font-size:14px;
  line-height:1.8;
  color:var(--c-ink-2);
}
.notice-bar i{color:var(--c-accent);margin-top:4px;}

/* ============ CTA ============ */
.cta-card{
  position:relative;
  overflow:hidden;
  border-radius:var(--r-28);
  background:var(--grad-brand);
  padding:48px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:40px;
  box-shadow:var(--sh-2);
}
.cta-card::after{
  content:"";
  position:absolute;
  right:-80px;
  bottom:-140px;
  width:420px;
  height:420px;
  border-radius:50%;
  border:44px solid rgba(255,255,255,.12);
  pointer-events:none;
}
.cta-text{position:relative;z-index:2;max-width:600px;}
.cta-text h2{
  font-size:clamp(22px,2.4vw,30px);
  line-height:1.35;
  font-weight:700;
  color:#fff;
  letter-spacing:-.3px;
}
.cta-text p{
  margin-top:10px;
  font-size:15px;
  line-height:1.8;
  color:rgba(255,255,255,.9);
}
.cta-action{position:relative;z-index:2;flex:0 0 auto;}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--c-dark);
  color:rgba(255,255,255,.78);
  padding:64px 0 0;
  margin-top:80px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1fr;
  gap:40px;
  padding-bottom:48px;
  border-bottom:1px solid rgba(255,255,255,.10);
}
.footer-brand .brand{color:#fff;margin-bottom:16px;}
.footer-brand .brand:hover{color:#fff;}
.footer-brand .brand-name{color:#fff;}
.footer-brand p{
  font-size:14px;
  line-height:1.85;
  color:rgba(255,255,255,.62);
  max-width:320px;
}
.footer-col h3{
  font-size:14px;
  font-weight:700;
  color:#fff;
  margin-bottom:18px;
  position:relative;
  padding-bottom:10px;
}
.footer-col h3::after{
  content:"";
  position:absolute;
  left:0;
  bottom:0;
  width:24px;
  height:3px;
  border-radius:3px;
  background:var(--grad-brand);
}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col a,
.footer-col span{
  font-size:14px;
  line-height:1.7;
  color:rgba(255,255,255,.66);
  transition:color var(--t);
}
.footer-col a:hover{color:var(--c-accent);}
.footer-bottom{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  padding:22px 0 26px;
  font-size:13px;
  color:rgba(255,255,255,.5);
}
.footer-bottom .domain{color:rgba(255,255,255,.62);}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  .nav-links{gap:22px;}
  .nav-search input{width:180px;}
  .nav-search input:focus{width:220px;}
  .banner-figure{width:164px;}
}
@media (max-width:991px){
  :root{--header-h:64px;}
  .nav-links,.nav-search,.header-actions .btn-ghost{display:none;}
  .menu-toggle{display:inline-flex;}
  .header-actions{margin-left:auto;}
  .section{padding:56px 0;}
  .banner-inner{gap:32px;}
  .banner-figure{width:140px;}
  .feature-lead .feature-body h3{font-size:21px;}
  .portrait-track{gap:16px;}
  .portrait-card{flex:0 0 220px;}
  .portrait-scroll-hint{display:block;}
  .path-timeline{grid-template-columns:repeat(2,1fr);}
  .path-timeline::before{display:none;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .cta-card{flex-direction:column;align-items:flex-start;padding:40px;gap:24px;}
  .row.gutter-24{margin-left:-10px;margin-right:-10px;}
  .row.gutter-24 > .columns{padding-left:10px;padding-right:10px;}
}
@media (max-width:767px){
  .container{padding-left:16px;padding-right:16px;}
  .brand-name{font-size:15px;}
  .brand-mark{width:34px;height:34px;border-radius:10px;}
  .banner-inner{flex-direction:column;align-items:flex-start;}
  .banner-figure{width:150px;transform:rotate(0);align-self:center;}
  .page-banner{padding:40px 0;}
  .section{padding:44px 0;}
  .section-head{flex-direction:column;align-items:flex-start;gap:10px;margin-bottom:24px;}
  .section-head h2{font-size:23px;}
  .feature-mid + .feature-mid{margin-top:16px;}
  .magazine-grid{margin-bottom:20px;}
  .feature-body{padding:52px 18px 18px;}
  .check-list{padding:4px 16px;}
  .check-item{gap:12px;padding:14px 0;}
  .check-thumb{width:72px;height:56px;}
  .check-main p{white-space:normal;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
  .check-side{display:none;}
  .check-item::before{left:-16px;}
  .path-timeline{grid-template-columns:1fr;gap:20px;}
  .cta-card{padding:28px 22px;border-radius:var(--r-20);}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px;}
  .site-footer{padding-top:48px;margin-top:56px;}
}
@media (max-width:519px){
  .banner-text h1{font-size:26px;}
  .banner-sub{font-size:15px;}
  .portrait-card{flex:0 0 74vw;}
  .guide-link{width:100%;justify-content:space-between;}
  .btn-lg{width:100%;}
  .cta-action{width:100%;}
  .cta-action .btn{width:100%;}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;transition-duration:.001ms !important;scroll-behavior:auto !important;}
  .feature-card:hover,.portrait-card:hover,.btn:hover,.guide-link:hover{transform:none;}
  .feature-card:hover .feature-media img,
  .portrait-card:hover .portrait-media img{transform:none;}
}

/* roulang page: category4 */
:root {
  --c-primary: #0FA98F;
  --c-primary-deep: #0A7F6C;
  --c-primary-soft: #E6F6F1;
  --c-accent: #FF7A45;
  --c-accent-soft: #FFE9DE;
  --c-ink: #16241F;
  --c-ink-2: #3D4F49;
  --c-ink-3: #6B7C76;
  --c-bg: #F5F7F4;
  --c-surface: #FFFFFF;
  --c-surface-2: #EEF6F3;
  --c-line: #E6EAE6;
  --c-dark: #0E1F1A;
  --grad-brand: linear-gradient(120deg, #0FA98F 0%, #31C6A8 48%, #FFB25C 100%);
  --grad-warm: linear-gradient(135deg, #FF7A45 0%, #FFB25C 100%);
  --sh-1: 0 2px 8px rgba(16, 40, 34, .06);
  --sh-2: 0 12px 32px rgba(16, 40, 34, .10);
  --sh-3: 0 24px 56px rgba(16, 40, 34, .14);
  --r-sm: 8px;
  --r-md: 12px;
  --r-lg: 16px;
  --r-xl: 20px;
  --r-2xl: 28px;
  --r-pill: 999px;
  --font-sans: "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.85;
  color: var(--c-ink);
  background: var(--c-bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

body,
button,
input,
select,
textarea {
  font-family: var(--font-sans);
}

img {
  max-width: 100%;
  display: block;
}

a {
  color: var(--c-primary-deep);
  text-decoration: none;
  transition: color .2s ease;
}

a:hover {
  color: var(--c-primary);
}

button {
  cursor: pointer;
  border: 0;
  background: none;
}

button,
input {
  font-size: inherit;
  line-height: inherit;
}

ul,
ol {
  margin: 0;
  padding: 0;
}

ul {
  list-style: none;
}

h1,
h2,
h3,
h4,
p {
  margin-top: 0;
}

[hidden] {
  display: none !important;
}

.is-hidden,
.is-filtered-out {
  display: none !important;
}

.container {
  width: 100%;
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
  padding-left: 24px;
  padding-right: 24px;
}

.skip-link {
  position: absolute;
  left: 16px;
  top: -70px;
  z-index: 300;
  padding: 10px 16px;
  border-radius: 0 0 12px 12px;
  background: var(--c-primary-deep);
  color: #fff;
  font-size: 14px;
  transition: top .2s ease;
}

.skip-link:focus {
  top: 0;
  color: #fff;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--c-surface);
  border-bottom: 1px solid var(--c-line);
  transition: box-shadow .22s ease;
}

.site-header.is-scrolled {
  box-shadow: var(--sh-1);
}

.header-inner {
  min-height: 68px;
  display: flex;
  align-items: center;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
  color: var(--c-ink);
  font-weight: 700;
  font-size: 17px;
  letter-spacing: -.2px;
}

.brand:hover {
  color: var(--c-ink);
}

.brand-mark {
  width: 38px;
  height: 38px;
  border-radius: 12px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  background: var(--grad-brand);
  box-shadow: 0 6px 16px rgba(15, 169, 143, .22);
}

.brand-mark svg {
  width: 22px;
  height: 22px;
}

.brand-name {
  white-space: nowrap;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
  flex: 1;
  margin-left: 8px;
}

.nav-links a {
  position: relative;
  display: inline-flex;
  align-items: center;
  padding: 23px 0;
  font-size: 15px;
  font-weight: 500;
  color: var(--c-ink-2);
  white-space: nowrap;
  transition: color .2s ease, transform .2s ease;
}

.nav-links a:hover {
  color: var(--c-primary);
  transform: translateY(-1px);
}

.nav-links a.is-active {
  color: var(--c-primary-deep);
  font-weight: 600;
}

.nav-links a.is-active::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 14px;
  height: 2px;
  border-radius: 2px 2px 0 0;
  background: var(--grad-brand);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

.nav-search {
  position: relative;
}

.nav-search i {
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 13px;
  color: var(--c-ink-3);
  pointer-events: none;
}

.nav-search input {
  width: 220px;
  height: 40px;
  padding: 0 16px 0 36px;
  border: 1px solid transparent;
  border-radius: var(--r-pill);
  background: var(--c-surface-2);
  color: var(--c-ink);
  font-size: 14px;
  outline: none;
  -webkit-appearance: none;
  appearance: none;
  transition: width .24s ease, border-color .2s ease, box-shadow .2s ease, background .2s ease;
}

.nav-search input:focus {
  width: 280px;
  background: #fff;
  border-color: var(--c-primary);
  box-shadow: 0 0 0 3px rgba(15, 169, 143, .15);
}

.nav-search input::placeholder {
  color: var(--c-ink-3);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 44px;
  padding: 10px 22px;
  border: 1px solid transparent;
  border-radius: var(--r-pill);
  font-size: 15px;
  font-weight: 600;
  line-height: 1.2;
  white-space: nowrap;
  transition: transform .2s ease, box-shadow .2s ease, background .2s ease, color .2s ease, border-color .2s ease;
}

.btn-sm {
  min-height: 38px;
  padding: 8px 18px;
  font-size: 14px;
}

.btn-primary {
  background: var(--grad-brand);
  color: #fff;
  box-shadow: 0 6px 18px rgba(15, 169, 143, .18);
}

.btn-primary:hover {
  color: #fff;
  transform: translateY(-2px);
  box-shadow: var(--sh-2);
}

.btn-primary:active {
  transform: translateY(0);
}

.btn-ghost {
  background: transparent;
  border-color: var(--c-line);
  color: var(--c-ink-2);
}

.btn-ghost:hover {
  border-color: var(--c-primary);
  color: var(--c-primary-deep);
  background: var(--c-primary-soft);
}

.btn-secondary {
  background: #fff;
  border-color: var(--c-primary);
  color: var(--c-primary-deep);
}

.btn-secondary:hover {
  background: var(--c-primary-soft);
  color: var(--c-primary-deep);
  transform: translateY(-1px);
}

.btn:focus-visible,
a:focus-visible,
button:focus-visible,
input:focus-visible,
summary:focus-visible {
  outline: 2px solid var(--c-accent);
  outline-offset: 2px;
}

.menu-toggle {
  display: none;
  width: 44px;
  height: 44px;
  padding: 0;
  border: 1px solid var(--c-line);
  border-radius: 12px;
  background: #fff;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 5px;
}

.menu-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  border-radius: 2px;
  background: var(--c-ink-2);
  transition: transform .2s ease, opacity .2s ease;
}

.menu-toggle[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.menu-toggle[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}

.menu-toggle[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.drawer-backdrop {
  position: fixed;
  inset: 0;
  z-index: 190;
  background: rgba(14, 31, 26, .45);
}

.mobile-drawer {
  position: fixed;
  top: 0;
  right: 0;
  z-index: 200;
  display: flex;
  flex-direction: column;
  width: 86%;
  max-width: 360px;
  height: 100vh;
  padding: 20px;
  background: #fff;
  box-shadow: var(--sh-3);
  transform: translateX(100%);
  visibility: hidden;
  transition: transform .24s cubic-bezier(.22, .61, .36, 1), visibility .24s ease;
}

.mobile-drawer.is-open {
  transform: translateX(0);
  visibility: visible;
}

.drawer-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--c-line);
}

.drawer-close {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border: 1px solid var(--c-line);
  border-radius: 12px;
  background: var(--c-surface-2);
  color: var(--c-ink-2);
}

.drawer-nav {
  display: flex;
  flex-direction: column;
  margin: 18px 0;
}

.drawer-nav a {
  padding: 16px 0;
  border-bottom: 1px solid var(--c-line);
  color: var(--c-ink-2);
  font-size: 16px;
}

.drawer-nav a.is-active {
  color: var(--c-primary-deep);
  font-weight: 600;
}

.drawer-search {
  position: relative;
  margin-bottom: 16px;
}

.drawer-search i {
  position: absolute;
  left: 16px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--c-ink-3);
  font-size: 14px;
  pointer-events: none;
}

.drawer-search input {
  width: 100%;
  height: 46px;
  padding: 0 16px 0 40px;
  border: 1px solid var(--c-line);
  border-radius: var(--r-pill);
  background: var(--c-surface-2);
  color: var(--c-ink);
  outline: none;
  -webkit-appearance: none;
  appearance: none;
}

.drawer-search input:focus {
  border-color: var(--c-primary);
  box-shadow: 0 0 0 3px rgba(15, 169, 143, .14);
}

.drawer-footer {
  display: grid;
  gap: 12px;
  margin-top: auto;
}

.drawer-footer .btn {
  width: 100%;
}

.drawer-open {
  overflow: hidden;
}

.faq-hero {
  position: relative;
  overflow: hidden;
  padding: 36px 0 64px;
  background: linear-gradient(180deg, #F8FBF9 0%, var(--c-bg) 100%);
}

.faq-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: url('/assets/images/backpic/back-2.png');
  background-size: cover;
  background-position: center;
  opacity: .08;
  pointer-events: none;
}

.faq-hero::after {
  content: "";
  position: absolute;
  top: -240px;
  right: -180px;
  width: 520px;
  height: 520px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(15, 169, 143, .16), transparent 68%);
  pointer-events: none;
}

.faq-hero .container {
  position: relative;
  z-index: 1;
}

.breadcrumbs {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 32px;
  color: var(--c-ink-3);
  font-size: 12px;
}

.breadcrumbs a {
  color: var(--c-ink-3);
}

.breadcrumbs a:hover {
  color: var(--c-primary);
}

.faq-hero-inner {
  max-width: 820px;
  margin: 0 auto;
  text-align: center;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 12px;
  border-radius: var(--r-pill);
  background: var(--c-primary-soft);
  color: var(--c-primary-deep);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .08em;
}

.faq-hero h1 {
  margin: 18px 0 14px;
  color: var(--c-ink);
  font-size: clamp(30px, 3.4vw, 44px);
  font-weight: 700;
  line-height: 1.22;
  letter-spacing: -.5px;
}

.hero-sub {
  max-width: 680px;
  margin: 0 auto 28px;
  color: var(--c-ink-2);
  font-size: 16px;
  line-height: 1.85;
}

.hero-search {
  position: relative;
  max-width: 640px;
  margin: 0 auto;
}

.hero-search i {
  position: absolute;
  left: 22px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--c-ink-3);
  font-size: 18px;
  pointer-events: none;
}

.hero-search input {
  width: 100%;
  height: 58px;
  padding: 0 96px 0 54px;
  border: 1px solid var(--c-line);
  border-radius: var(--r-pill);
  background: #fff;
  color: var(--c-ink);
  font-size: 16px;
  outline: none;
  box-shadow: var(--sh-1);
  -webkit-appearance: none;
  appearance: none;
  transition: border-color .2s ease, box-shadow .2s ease;
}

.hero-search input:focus {
  border-color: var(--c-primary);
  box-shadow: 0 0 0 4px rgba(15, 169, 143, .13), var(--sh-2);
}

.hero-search input::placeholder {
  color: var(--c-ink-3);
}

.search-clear {
  position: absolute;
  right: 12px;
  top: 50%;
  transform: translateY(-50%);
  height: 36px;
  padding: 0 16px;
  border-radius: var(--r-pill);
  background: var(--c-surface-2);
  color: var(--c-ink-3);
  font-size: 13px;
  transition: background .2s ease, color .2s ease;
}

.search-clear:hover {
  background: var(--c-primary-soft);
  color: var(--c-primary-deep);
}

.hot-tags {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
  max-width: 760px;
  margin: 22px auto 0;
}

.tag {
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  padding: 4px 14px;
  border: 1px solid var(--c-line);
  border-radius: var(--r-pill);
  background: #fff;
  color: var(--c-ink-2);
  font-size: 13px;
  transition: background .2s ease, color .2s ease, border-color .2s ease, transform .2s ease, box-shadow .2s ease;
}

.tag:hover {
  background: var(--c-primary);
  border-color: var(--c-primary);
  color: #fff;
  transform: translateY(-1px);
  box-shadow: 0 6px 14px rgba(15, 169, 143, .18);
}

.hero-meta {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 20px;
  margin-top: 28px;
  color: var(--c-ink-3);
  font-size: 13px;
}

.hero-meta span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.hero-meta i {
  color: var(--c-primary);
}

.section {
  padding: 80px 0;
}

.section-tight {
  padding: 28px 0 0;
}

.section-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 32px;
  margin-bottom: 40px;
}

.section-head h2 {
  margin: 12px 0 0;
  color: var(--c-ink);
  font-size: 28px;
  font-weight: 700;
  line-height: 1.3;
  letter-spacing: -.3px;
}

.section-head p {
  max-width: 460px;
  margin: 0;
  color: var(--c-ink-3);
  font-size: 14px;
  line-height: 1.7;
}

.quick-nav {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
}

.quick-nav a {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 18px;
  border: 1px solid var(--c-line);
  border-radius: var(--r-lg);
  background: #fff;
  color: var(--c-ink-2);
  font-size: 14px;
  font-weight: 600;
  transition: border-color .2s ease, transform .2s ease, box-shadow .2s ease, color .2s ease;
}

.quick-nav a span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  border-radius: 10px;
  background: var(--c-primary-soft);
  color: var(--c-primary-deep);
  font-size: 12px;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
}

.quick-nav a:hover {
  border-color: var(--c-primary);
  color: var(--c-primary-deep);
  transform: translateY(-2px);
  box-shadow: var(--sh-1);
}

.faq-section {
  background: var(--c-bg);
}

.faq-groups.row {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0 40px;
  max-width: none;
  margin-left: 0;
  margin-right: 0;
}

.faq-groups.row::before,
.faq-groups.row::after {
  display: none;
}

.faq-group {
  margin-bottom: 48px;
  padding-top: 32px;
  border-top: 1px solid var(--c-line);
}

.faq-group:nth-child(1),
.faq-group:nth-child(2) {
  padding-top: 0;
  border-top: 0;
}

.faq-group.columns {
  float: none;
  width: auto;
  padding-left: 0;
  padding-right: 0;
}

.group-head {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  margin-bottom: 24px;
}

.group-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 44px;
  height: 44px;
  border-radius: 14px;
  background: var(--grad-brand);
  color: #fff;
  font-size: 15px;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  box-shadow: 0 6px 16px rgba(15, 169, 143, .18);
}

.group-head h3 {
  margin: 0 0 4px;
  color: var(--c-ink);
  font-size: 20px;
  font-weight: 600;
  line-height: 1.4;
}

.group-head p {
  margin: 0;
  color: var(--c-ink-3);
  font-size: 13px;
  line-height: 1.7;
}

.group-count {
  margin-left: auto;
  padding: 4px 10px;
  border-radius: var(--r-pill);
  background: var(--c-surface-2);
  color: var(--c-ink-3);
  font-size: 12px;
  white-space: nowrap;
}

.faq-item {
  margin-bottom: 12px;
  border: 1px solid var(--c-line);
  border-radius: var(--r-lg);
  background: #fff;
  overflow: hidden;
  transition: box-shadow .2s ease, border-color .2s ease;
}

.faq-item:hover {
  border-color: #d9e6e0;
  box-shadow: var(--sh-1);
}

.faq-item[open] {
  border-color: #cfe9df;
  box-shadow: var(--sh-1);
}

.faq-item summary {
  position: relative;
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 18px 52px 18px 20px;
  color: var(--c-ink);
  font-size: 16px;
  font-weight: 600;
  line-height: 1.55;
  cursor: pointer;
  list-style: none;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary::before {
  content: "";
  position: absolute;
  left: 0;
  top: 16px;
  bottom: 16px;
  width: 3px;
  border-radius: 0 3px 3px 0;
  background: var(--grad-brand);
  opacity: 0;
  transition: opacity .2s ease;
}

.faq-item[open] summary {
  color: var(--c-primary-deep);
}

.faq-item[open] summary::before {
  opacity: 1;
}

.faq-icon {
  position: absolute;
  right: 18px;
  top: 16px;
  width: 28px;
  height: 28px;
  border-radius: 10px;
  background: var(--c-surface-2);
  transition: background .2s ease, transform .2s ease;
}

.faq-icon::before,
.faq-icon::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  background: var(--c-primary-deep);
  border-radius: 2px;
  transform: translate(-50%, -50%);
  transition: transform .2s ease, opacity .2s ease;
}

.faq-icon::before {
  width: 12px;
  height: 2px;
}

.faq-icon::after {
  width: 2px;
  height: 12px;
}

.faq-item[open] .faq-icon {
  background: var(--c-primary-soft);
  transform: rotate(180deg);
}

.faq-item[open] .faq-icon::after {
  transform: translate(-50%, -50%) rotate(90deg);
  opacity: 0;
}

.answer {
  padding: 0 20px 20px;
  color: var(--c-ink-2);
  font-size: 15px;
  line-height: 1.9;
}

.answer p {
  margin: 0;
}

.faq-item[open] .answer {
  animation: answerFade .24s ease;
}

@keyframes answerFade {
  from {
    opacity: 0;
    transform: translateY(-4px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

.empty-result {
  margin-top: 32px;
  padding: 48px 24px;
  border: 1px dashed var(--c-line);
  border-radius: var(--r-xl);
  background: var(--c-surface-2);
  text-align: center;
  color: var(--c-ink-3);
}

.empty-result i {
  margin-bottom: 12px;
  color: var(--c-primary);
  font-size: 28px;
}

.empty-result h3 {
  margin: 0 0 8px;
  color: var(--c-ink);
  font-size: 18px;
}

.empty-result p {
  margin: 0 0 16px;
  font-size: 14px;
}

.empty-result a {
  font-weight: 600;
}

.section-help {
  padding-top: 0;
}

.help-card {
  position: relative;
  display: grid;
  grid-template-columns: 1.6fr 1fr;
  align-items: center;
  gap: 32px;
  padding: 40px 48px;
  border: 1px solid #dceee7;
  border-radius: var(--r-xl);
  background: var(--c-surface-2);
  overflow: hidden;
}

.help-card::after {
  content: "";
  position: absolute;
  right: -80px;
  bottom: -120px;
  width: 320px;
  height: 320px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(15, 169, 143, .12), transparent 65%);
  pointer-events: none;
}

.help-text {
  position: relative;
  z-index: 1;
}

.help-text h2 {
  margin: 10px 0;
  color: var(--c-ink);
  font-size: 26px;
  line-height: 1.35;
}

.help-text p {
  max-width: 560px;
  margin: 0;
  color: var(--c-ink-2);
  font-size: 15px;
  line-height: 1.8;
}

.help-actions {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 16px;
}

.help-actions img {
  width: 120px;
  height: 88px;
  border-radius: var(--r-lg);
  object-fit: cover;
  box-shadow: var(--sh-1);
}

.help-actions .btn {
  flex-shrink: 0;
}

.section-related {
  padding-top: 0;
  padding-bottom: 96px;
}

.related-grid {
  display: grid;
  grid-template-columns: .9fr 1.5fr;
  gap: 56px;
  align-items: start;
  padding-top: 56px;
  border-top: 1px solid var(--c-line);
}

.related-intro h2 {
  margin: 12px 0 10px;
  color: var(--c-ink);
  font-size: 28px;
  line-height: 1.35;
}

.related-intro p {
  margin: 0;
  color: var(--c-ink-3);
  font-size: 14px;
  line-height: 1.8;
}

.related-links {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.related-link {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 18px 20px;
  border: 1px solid var(--c-line);
  border-radius: var(--r-lg);
  background: #fff;
  transition: border-color .2s ease, box-shadow .2s ease, transform .2s ease;
}

.related-link span {
  color: var(--c-ink);
  font-size: 16px;
  font-weight: 600;
}

.related-link small {
  color: var(--c-ink-3);
  font-size: 13px;
}

.related-link i {
  position: absolute;
  right: 18px;
  top: 20px;
  color: var(--c-primary);
  font-size: 13px;
  transition: transform .2s ease;
}

.related-link:hover {
  border-color: var(--c-primary);
  transform: translateY(-2px);
  box-shadow: var(--sh-1);
}

.related-link:hover i {
  transform: translateX(3px);
}

.site-footer {
  padding: 64px 0 0;
  background: var(--c-dark);
  color: rgba(255, 255, 255, .72);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1fr;
  gap: 48px;
}

.site-footer .brand {
  color: #fff;
}

.site-footer .brand:hover {
  color: #fff;
}

.site-footer .brand-mark {
  box-shadow: none;
}

.site-footer .brand-name {
  color: #fff;
}

.footer-brand p {
  max-width: 320px;
  margin: 18px 0 0;
  color: rgba(255, 255, 255, .62);
  font-size: 14px;
  line-height: 1.8;
}

.footer-col h3 {
  position: relative;
  margin: 0 0 20px;
  padding-bottom: 12px;
  color: #fff;
  font-size: 14px;
  font-weight: 700;
}

.footer-col h3::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 24px;
  height: 2px;
  border-radius: 2px;
  background: var(--grad-warm);
}

.footer-col ul {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-col a,
.footer-col span {
  color: rgba(255, 255, 255, .64);
  font-size: 14px;
  transition: color .2s ease;
}

.footer-col a:hover {
  color: var(--c-accent);
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  margin-top: 56px;
  padding: 22px 0;
  border-top: 1px solid rgba(255, 255, 255, .12);
  color: rgba(255, 255, 255, .54);
  font-size: 13px;
}

.footer-bottom .domain {
  color: rgba(255, 255, 255, .72);
}

@media (max-width: 1199px) {
  .header-inner {
    gap: 18px;
  }

  .nav-links {
    gap: 20px;
  }

  .nav-links a {
    font-size: 14px;
  }

  .nav-search input {
    width: 180px;
  }

  .nav-search input:focus {
    width: 220px;
  }

  .quick-nav {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .related-grid {
    gap: 40px;
  }
}

@media (max-width: 991px) {
  .nav-links,
  .header-actions .nav-search,
  .header-actions .btn {
    display: none;
  }

  .header-actions {
    margin-left: auto;
  }

  .menu-toggle {
    display: inline-flex;
  }

  .site-header .header-inner {
    min-height: 60px;
  }

  .section {
    padding: 56px 0;
  }

  .section-tight {
    padding: 24px 0 0;
  }

  .section-head {
    align-items: flex-start;
    flex-direction: column;
    gap: 12px;
  }

  .faq-groups.row {
    grid-template-columns: 1fr;
    gap: 0;
  }

  .faq-group,
  .faq-group:nth-child(1),
  .faq-group:nth-child(2) {
    margin-bottom: 40px;
    padding-top: 32px;
    border-top: 1px solid var(--c-line);
  }

  .faq-group:first-child {
    padding-top: 0;
    border-top: 0;
  }

  .faq-group:last-child {
    margin-bottom: 0;
  }

  .help-card {
    grid-template-columns: 1fr;
    padding: 32px;
  }

  .help-actions {
    justify-content: flex-start;
  }

  .related-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 36px;
  }

  .footer-brand {
    grid-column: 1 / -1;
  }
}

@media (max-width: 767px) {
  .container {
    padding-left: 16px;
    padding-right: 16px;
  }

  .faq-hero {
    padding: 24px 0 48px;
  }

  .breadcrumbs {
    margin-bottom: 24px;
  }

  .faq-hero h1 {
    font-size: 30px;
  }

  .hero-search input {
    height: 52px;
    padding-right: 88px;
    padding-left: 48px;
    font-size: 15px;
  }

  .hero-search i {
    left: 18px;
    font-size: 16px;
  }

  .hero-meta {
    gap: 12px;
  }

  .quick-nav {
    grid-template-columns: 1fr;
  }

  .section-head h2 {
    font-size: 24px;
  }

  .faq-item summary {
    padding: 16px 48px 16px 16px;
    font-size: 15px;
  }

  .answer {
    padding: 0 16px 18px;
  }

  .help-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .help-actions img {
    width: 100%;
    height: 140px;
  }

  .help-actions .btn {
    width: 100%;
  }

  .related-links {
    grid-template-columns: 1fr;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 32px 20px;
  }

  .footer-bottom {
    flex-direction: column;
    margin-top: 40px;
  }
}

@media (max-width: 575px) {
  .brand-name {
    font-size: 15px;
  }

  .brand-mark {
    width: 34px;
    height: 34px;
  }

  .faq-hero h1 {
    font-size: 26px;
  }

  .hero-search input {
    padding-right: 82px;
  }

  .search-clear {
    right: 10px;
    padding: 0 12px;
  }

  .hero-meta span {
    font-size: 12px;
  }

  .tag {
    font-size: 12px;
  }

  .group-head {
    flex-wrap: wrap;
  }

  .group-count {
    margin-left: 58px;
  }

  .help-card {
    padding: 24px;
  }

  .footer-grid {
    grid-template-columns: 1fr;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
  }

  .btn-primary:hover,
  .quick-nav a:hover,
  .related-link:hover,
  .tag:hover,
  .btn-secondary:hover {
    transform: none;
  }
}