/* roulang page: index */
:root{
  --brand:#F4511E;
  --brand-600:#E8420F;
  --brand-700:#C9255C;
  --ink:#131A1F;
  --ink-2:#3A444B;
  --ink-3:#6B747C;
  --ink-4:#98A0A6;
  --bg:#F7F4EF;
  --card:#FFFFFF;
  --sand:#F1ECE4;
  --line:#E8E2D8;
  --line-strong:#D8CFC2;
  --lime:#C9F24D;
  --grad:linear-gradient(115deg,#E8420F 0%,#F4511E 42%,#C9255C 100%);
  --grad-soft:linear-gradient(115deg,#FFF0E9 0%,#FFFFFF 60%,#FDF0F5 100%);
  --r-btn:999px;
  --r-card:20px;
  --r-hero:28px;
  --sh-1:0 1px 2px rgba(19,26,31,.05),0 2px 8px rgba(19,26,31,.05);
  --sh-2:0 8px 24px -8px rgba(19,26,31,.14);
  --sh-3:0 18px 40px -16px rgba(19,26,31,.22);
  --ease:cubic-bezier(.22,.61,.36,1);
}

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

html{scroll-behavior:smooth}

html body{
  margin:0;
  padding:0;
  background:var(--bg);
  color:var(--ink-2);
  font-family:"HarmonyOS Sans SC","PingFang SC","Noto Sans SC","Microsoft YaHei",system-ui,sans-serif;
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}

img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer;border:0;background:none}
input{font-family:inherit}
ul{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}

.num{font-variant-numeric:tabular-nums;font-weight:800;letter-spacing:-.02em}

.wrap{max-width:1240px;margin:0 auto;padding:0 24px}

/* ============ 通用组件 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-size:15px;font-weight:600;line-height:1;
  padding:14px 26px;min-height:44px;border-radius:var(--r-btn);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),background-color .22s var(--ease),border-color .22s var(--ease),color .22s var(--ease);
  white-space:nowrap;
}
.btn-primary{background:linear-gradient(115deg,#E8420F,#C9255C);color:#fff;box-shadow:var(--sh-2)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:var(--sh-3);background:linear-gradient(107deg,#E8420F,#C9255C)}
.btn-primary:active{transform:translateY(0) scale(.98)}
.btn-light{background:#fff;color:var(--ink);box-shadow:var(--sh-2)}
.btn-light:hover{transform:translateY(-2px);box-shadow:var(--sh-3);color:var(--brand-600)}
.btn-outline{background:transparent;color:var(--ink);border:1.5px solid var(--line-strong)}
.btn-outline:hover{border-color:var(--brand);background:#FFF7F3;transform:translateY(-2px)}
.btn-ghost{background:#fff;border:1.5px solid var(--line-strong);color:var(--ink);font-size:14px;padding:11px 22px}
.btn-ghost:hover{border-color:var(--brand);background:#FFF7F3}
.btn-lime{background:var(--lime);color:var(--ink);font-weight:700}
.btn-lime:hover{filter:brightness(1.04);transform:translateY(-2px);box-shadow:var(--sh-3)}
.btn-ghost-light{background:transparent;border:1.5px solid rgba(255,255,255,.72);color:#fff}
.btn-ghost-light:hover{background:rgba(255,255,255,.14);transform:translateY(-2px)}
.btn-sm{padding:11px 22px;font-size:14px}
.btn:focus-visible,a:focus-visible,button:focus-visible,input:focus-visible{outline:2px solid var(--brand);outline-offset:2px}

.link-inline{color:var(--brand-600);text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1px}
.link-inline:hover{color:var(--brand-700);text-decoration-thickness:2px}

.badge{display:inline-flex;align-items:center;font-size:12px;font-weight:600;letter-spacing:.02em;padding:5px 11px;border-radius:999px;line-height:1.2}
.badge-lime{background:var(--lime);color:var(--ink);font-weight:700}
.badge-cat{background:#FFF0E9;color:var(--brand-600);border:1px solid rgba(244,81,30,.25)}
.badge-glass{background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.3);color:#fff}
.badge-sand{background:var(--sand);color:var(--ink-3);font-variant-numeric:tabular-nums}

.h2{font-size:28px;font-weight:700;line-height:1.3;color:var(--ink);letter-spacing:-.01em}
.section{padding-top:88px}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:28px}
.section-head p{font-size:15px;color:var(--ink-3);max-width:640px}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:70;
  background:rgba(255,255,255,.92);
  -webkit-backdrop-filter:blur(12px);
  backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s var(--ease);
}
.site-header.is-scrolled{box-shadow:var(--sh-1)}
.nav-inner{display:flex;align-items:center;gap:26px;height:68px}
.logo{display:flex;align-items:center;gap:10px;flex-shrink:0}
.logo-mark{
  width:32px;height:32px;border-radius:10px;background:var(--grad);
  color:#fff;font-size:16px;font-weight:800;display:flex;align-items:center;justify-content:center;
  letter-spacing:0;
}
.logo-text{display:flex;align-items:baseline;gap:5px}
.logo-main{font-size:18px;font-weight:800;color:var(--ink);letter-spacing:-.01em}
.logo-sub{font-size:12px;font-weight:500;color:var(--ink-3)}
.nav-links{display:flex;align-items:center;gap:28px;margin-left:6px}
.nav-link{position:relative;font-size:14.5px;font-weight:500;color:var(--ink-2);padding:6px 0;transition:color .2s var(--ease)}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:-19px;height:3px;border-radius:3px;
  background:var(--grad);opacity:0;transition:opacity .2s var(--ease);
}
.nav-link:hover{color:var(--brand)}
.nav-link.is-active{color:var(--ink);font-weight:600}
.nav-link.is-active::after{opacity:1}
.nav-right{display:flex;align-items:center;gap:14px;margin-left:auto}
.nav-search{
  display:flex;align-items:center;gap:8px;width:200px;height:40px;padding:0 16px;
  background:#fff;border:1px solid var(--line);border-radius:999px;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.nav-search:focus-within{border-color:var(--brand);box-shadow:0 0 0 3px rgba(244,81,30,.15)}
.nav-search input{flex:1;border:0;outline:0;background:transparent;font-size:14px;color:var(--ink-2);min-width:0}
.nav-search input::placeholder{color:var(--ink-4)}
.nav-search svg{flex-shrink:0;stroke:var(--ink-4)}
.nav-login{font-size:14.5px;font-weight:500;color:var(--ink-2);padding:8px 4px}
.nav-login:hover{color:var(--brand)}
.menu-btn{
  display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);
  align-items:center;justify-content:center;background:#fff;
}
.menu-btn span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;position:relative}
.menu-btn span::before,.menu-btn span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink);border-radius:2px}
.menu-btn span::before{top:-6px}
.menu-btn span::after{top:6px}

/* 抽屉 */
.drawer-mask{
  position:fixed;inset:0;background:rgba(19,26,31,.5);z-index:90;
  opacity:0;visibility:hidden;transition:opacity .25s var(--ease),visibility .25s var(--ease);
}
.drawer-mask.is-open{opacity:1;visibility:visible}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:84%;max-width:360px;z-index:91;
  background:#fff;border-radius:24px 0 0 24px;padding:24px 22px;
  transform:translateX(102%);transition:transform .3s var(--ease);
  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(--line);font-size:18px;color:var(--ink-2);background:#fff}
.drawer-links{display:flex;flex-direction:column;gap:4px;margin-bottom:20px}
.drawer-links a{padding:13px 14px;border-radius:14px;font-size:15.5px;font-weight:500;color:var(--ink-2)}
.drawer-links a:hover{background:var(--sand);color:var(--ink)}
.drawer-links a.is-active{background:var(--grad-soft);color:var(--brand-600);font-weight:600}
.drawer-search{display:flex;align-items:center;gap:8px;height:44px;padding:0 16px;border:1px solid var(--line);border-radius:999px;background:#fff;margin-bottom:14px}
.drawer-search input{flex:1;border:0;outline:0;font-size:14.5px;background:transparent}
.drawer .btn{width:100%}

/* ============ Hero ============ */
.hero-shell{padding-top:28px}
.hero{
  position:relative;border-radius:var(--r-hero);overflow:hidden;
  min-height:560px;display:flex;align-items:center;
  box-shadow:var(--sh-2);
}
.hero-bg{position:absolute;inset:0;background-size:cover;background-position:center 30%}
.hero-overlay{
  position:absolute;inset:0;
  background:linear-gradient(115deg,rgba(232,66,15,.94) 0%,rgba(244,81,30,.88) 42%,rgba(201,37,92,.8) 100%);
}
.hero-content{position:relative;z-index:2;padding:64px 56px;max-width:660px}
.hero-eyebrow{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:20px}
.hero-title{
  font-size:44px;font-weight:800;line-height:1.15;letter-spacing:-.02em;color:#fff;
  margin-bottom:18px;
}
.hero-sub{font-size:17px;line-height:1.75;color:rgba(255,255,255,.88);margin-bottom:30px;max-width:560px}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px}
.hero-facts{display:flex;flex-wrap:wrap;gap:12px;margin-top:34px}
.hero-fact{
  background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.3);
  border-radius:999px;padding:7px 16px;color:#fff;font-size:13px;font-weight:600;
  font-variant-numeric:tabular-nums;
}

/* 数据徽章条 */
.stats-bar{position:relative;z-index:5;margin-top:-28px}
.stats-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh-2);display:grid;grid-template-columns:repeat(4,1fr);
}
.stat{padding:24px;border-right:1px solid var(--line)}
.stat:last-child{border-right:0}
.stat-num{font-size:30px;font-weight:800;color:var(--ink);font-variant-numeric:tabular-nums;letter-spacing:-.02em;line-height:1.2}
.stat-label{font-size:13.5px;color:var(--ink-3);margin-top:4px}

/* ============ 编号目录 ============ */
.collections{display:grid;grid-template-columns:repeat(2,1fr);gap:0 32px}
.col-row{
  display:flex;align-items:center;gap:18px;padding:22px 6px;border-bottom:1px solid var(--line);
  transition:background-color .2s var(--ease),padding-left .2s var(--ease);
}
.col-row:hover{background:#FFF9F5;padding-left:12px}
.col-num{
  font-size:15px;font-weight:800;color:var(--brand-600);font-variant-numeric:tabular-nums;
  letter-spacing:.04em;width:34px;flex-shrink:0;
}
.col-body{flex:1;min-width:0}
.col-name{font-size:17px;font-weight:600;color:var(--ink);line-height:1.4}
.col-desc{font-size:13.5px;color:var(--ink-3);margin-top:3px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.col-side{display:flex;align-items:center;gap:12px;flex-shrink:0}
.col-arrow{width:30px;height:30px;border-radius:50%;background:var(--sand);color:var(--ink-2);display:flex;align-items:center;justify-content:center;font-size:14px;transition:background-color .2s var(--ease),color .2s var(--ease),transform .2s var(--ease)}
.col-row:hover .col-arrow{background:var(--grad);color:#fff;transform:translateX(3px)}

/* ============ 卡片 ============ */
.card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
  display:flex;flex-direction:column;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--sh-3);border-color:rgba(244,81,30,.35)}
.card-media{position:relative;aspect-ratio:16/10;background:var(--grad-soft);overflow:hidden}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .4s var(--ease)}
.card:hover .card-media img{transform:scale(1.03)}
.card-media.is-4x3{aspect-ratio:4/3}
.card-body{padding:22px;display:flex;flex-direction:column;gap:10px;flex:1}
.card-title{font-size:18px;font-weight:600;line-height:1.4;color:var(--ink);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-text{font-size:14px;line-height:1.7;color:var(--ink-3);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-meta{display:flex;align-items:center;gap:10px;margin-top:auto;flex-wrap:wrap}
.thumb-fallback{
  width:100%;height:100%;
  background:var(--grad-soft);
  position:relative;
}
.thumb-fallback::after{
  content:"";position:absolute;top:12px;right:12px;width:54px;height:54px;
  background:
    linear-gradient(90deg,rgba(255,255,255,.12) 1px,transparent 1px) 0 0/12px 12px,
    linear-gradient(180deg,rgba(255,255,255,.12) 1px,transparent 1px) 0 0/12px 12px;
  border-radius:8px;
}

/* Bento 混排 */
.bento{display:grid;grid-template-columns:repeat(12,1fr);gap:24px}
.bento-main{grid-column:span 7}
.bento-side{grid-column:span 5;display:grid;grid-template-rows:1fr 1fr;gap:24px}
.bento-row{display:grid;grid-template-columns:repeat(12,1fr);gap:24px;margin-top:24px}
.bento-row .card{grid-column:span 4}
.card-wide{flex-direction:row;align-items:stretch}
.card-wide .card-media{width:44%;aspect-ratio:auto;min-height:150px;flex-shrink:0}
.card-wide .card-media img{height:100%}
.card-wide .card-body{padding:20px}

/* ============ 最新信息 ============ */
.post-list{display:flex;flex-direction:column;gap:18px}
.post-card{
  display:flex;gap:22px;align-items:stretch;background:var(--card);
  border:1px solid var(--line);border-radius:var(--r-card);padding:18px;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.post-card:hover{transform:translateY(-4px);box-shadow:var(--sh-3);border-color:rgba(244,81,30,.35)}
.post-thumb{
  width:240px;flex-shrink:0;aspect-ratio:4/3;border-radius:16px;overflow:hidden;
  background:var(--grad-soft);
}
.post-thumb img{width:100%;height:100%;object-fit:cover}
.post-body{flex:1;min-width:0;display:flex;flex-direction:column;gap:9px}
.post-title{font-size:18px;font-weight:600;line-height:1.45;color:var(--ink);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.post-sum{font-size:14.5px;line-height:1.7;color:var(--ink-3);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.post-meta{display:flex;align-items:center;gap:12px;margin-top:auto;flex-wrap:wrap;font-size:13px;color:var(--ink-3)}
.post-meta .meta-time{font-variant-numeric:tabular-nums}
.empty-state{
  background:var(--sand);border-radius:var(--r-card);min-height:180px;
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;
  text-align:center;padding:28px;
}
.empty-state p{font-size:15px;color:var(--ink-3)}

/* ============ 横向轨道 ============ */
.rail-head{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-bottom:24px}
.rail-ctrl{display:flex;gap:10px}
.rail-btn{
  width:44px;height:44px;border-radius:50%;background:#fff;border:1px solid var(--line-strong);
  color:var(--ink-2);font-size:16px;display:flex;align-items:center;justify-content:center;
  transition:border-color .2s var(--ease),color .2s var(--ease),background-color .2s var(--ease);
}
.rail-btn:hover{border-color:var(--brand);color:var(--brand-600);background:#FFF7F3}
.rail{
  display:flex;gap:20px;overflow-x:auto;padding-bottom:12px;
  scroll-snap-type:x mandatory;scrollbar-width:thin;
}
.rail::-webkit-scrollbar{height:6px}
.rail::-webkit-scrollbar-thumb{background:var(--line-strong);border-radius:999px}
.rail-card{
  min-width:280px;max-width:280px;scroll-snap-align:start;flex-shrink:0;
}

/* ============ CTA 条 ============ */
.cta-bar{
  background:var(--ink);border-radius:var(--r-card);padding:34px 38px;
  display:flex;align-items:center;justify-content:space-between;gap:26px;flex-wrap:wrap;
  box-shadow:var(--sh-2);
}
.cta-bar h2{font-size:24px;font-weight:700;color:#fff;line-height:1.35}
.cta-bar p{font-size:14.5px;color:#A8B0B6;margin-top:6px}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap}

/* ============ FAQ ============ */
.faq-list{display:flex;flex-direction:column;gap:14px}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:16px;overflow:hidden;transition:border-color .2s var(--ease),box-shadow .2s var(--ease)}
.faq-item.is-open{border-color:rgba(244,81,30,.35);box-shadow:var(--sh-1)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 22px;text-align:left;font-size:17px;font-weight:600;color:var(--ink);line-height:1.5;
}
.faq-icon{
  width:32px;height:32px;border-radius:50%;background:#FFF0E9;color:var(--brand-600);
  display:flex;align-items:center;justify-content:center;font-size:19px;line-height:1;flex-shrink:0;
  transition:transform .24s var(--ease);
}
.faq-item.is-open .faq-icon{transform:rotate(45deg)}
.faq-a{
  max-height:0;opacity:0;overflow:hidden;
  transition:max-height .24s ease-out,opacity .24s ease-out;
}
.faq-item.is-open .faq-a{opacity:1}
.faq-a p{padding:0 22px 22px;font-size:15px;line-height:1.8;color:var(--ink-2)}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink);margin-top:88px;padding:64px 0 32px;color:#A8B0B6}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand .logo-mark{width:32px;height:32px}
.footer-brand .logo-main{color:#fff}
.footer-brand .logo-sub{color:#A8B0B6}
.footer-desc{font-size:14px;line-height:1.75;color:#A8B0B6;max-width:320px}
.footer-icons{display:flex;gap:10px;margin-top:20px}
.footer-icons span{
  width:38px;height:38px;border-radius:12px;background:rgba(255,255,255,.07);
  display:flex;align-items:center;justify-content:center;color:#A8B0B6;font-size:14px;font-weight:600;
  transition:background-color .2s var(--ease),color .2s var(--ease);
}
.footer-icons span:hover{background:rgba(201,242,77,.14);color:var(--lime)}
.footer-col h3{font-size:14px;font-weight:600;color:#fff;margin-bottom:18px}
.footer-col ul{display:flex;flex-direction:column;gap:12px}
.footer-col a{font-size:14px;color:#A8B0B6;transition:color .2s var(--ease)}
.footer-col a:hover{color:var(--lime)}
.footer-bottom{
  margin-top:48px;padding-top:24px;border-top:1px solid rgba(255,255,255,.08);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:#7E878D;
}
.footer-bottom .num{color:#7E878D}

/* ============ 响应式 ============ */
@media (max-width:1180px){
  .nav-links{gap:20px}
  .nav-search{width:170px}
}
@media (max-width:1024px){
  .nav-links{display:none}
  .nav-search{display:none}
  .menu-btn{display:flex}
  .nav-inner{gap:16px}
  .hero{min-height:470px}
  .hero-content{padding:48px 36px}
  .hero-title{font-size:36px}
  .bento-main,.bento-side{grid-column:span 12}
  .bento-side{grid-template-rows:auto auto}
  .bento-row .card{grid-column:span 6}
  .bento-row .card:last-child{grid-column:span 12}
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px}
}
@media (max-width:768px){
  .wrap{padding:0 16px}
  .section{padding-top:56px}
  .h2{font-size:22px}
  .hero{border-radius:22px;min-height:420px}
  .hero-content{padding:36px 24px}
  .hero-title{font-size:30px}
  .hero-sub{font-size:15.5px}
  .hero-cta .btn{width:100%}
  .hero-facts{gap:8px}
  .stats-card{grid-template-columns:1fr 1fr}
  .stat{padding:18px;border-right:0;border-bottom:1px solid var(--line)}
  .stat:nth-child(odd){border-right:1px solid var(--line)}
  .stat:nth-child(3),.stat:nth-child(4){border-bottom:0}
  .stat-num{font-size:24px}
  .collections{grid-template-columns:1fr}
  .card-wide{flex-direction:column}
  .card-wide .card-media{width:100%;aspect-ratio:16/10;min-height:0}
  .post-card{flex-direction:column;padding:16px}
  .post-thumb{width:100%;aspect-ratio:16/10}
  .bento-row .card,.bento-row .card:last-child{grid-column:span 12}
  .cta-bar{padding:26px 22px;flex-direction:column;align-items:flex-start}
  .cta-actions{width:100%}
  .cta-actions .btn{flex:1;justify-content:center}
  .section-head{flex-direction:column;align-items:flex-start;gap:10px}
  .rail-card{min-width:240px;max-width:240px}
  .footer-grid{grid-template-columns:1fr 1fr}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}
@media (max-width:520px){
  .hero-title{font-size:27px}
  .logo-main{font-size:16px}
  .logo-sub{font-size:11px}
  .rail-ctrl{display:none}
  .faq-q{font-size:15.5px;padding:17px 16px}
  .faq-a p{padding:0 16px 18px}
  .card-body{padding:18px}
}

/* roulang page: article */
:root{
  --brand-500:#F4511E;
  --brand-600:#E8420F;
  --brand-700:#C9255C;
  --grad-brand:linear-gradient(115deg,#E8420F 0%,#F4511E 42%,#C9255C 100%);
  --grad-btn:linear-gradient(115deg,#E8420F 0%,#C9255C 100%);
  --grad-soft:linear-gradient(115deg,#FFF0E9 0%,#FFFFFF 60%,#FDF0F5 100%);
  --ink:#131A1F;
  --ink-2:#3A444B;
  --ink-3:#6B747C;
  --ink-4:#98A0A6;
  --bg:#F7F4EF;
  --card:#FFFFFF;
  --sand:#F1ECE4;
  --line:#E8E2D8;
  --line-2:#D8CFC2;
  --lime:#C9F24D;
  --r-card:20px;
  --r-hero:28px;
  --r-img:16px;
  --sh-1:0 1px 2px rgba(19,26,31,.05),0 2px 8px rgba(19,26,31,.05);
  --sh-2:0 8px 24px -8px rgba(19,26,31,.14);
  --sh-3:0 18px 40px -16px rgba(19,26,31,.22);
  --ease:cubic-bezier(.22,.61,.36,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
html body{
  margin:0;
  font-family:"HarmonyOS Sans SC","PingFang SC","Noto Sans SC","Microsoft YaHei",system-ui,sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--ink-2);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input{font:inherit;color:inherit}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
.num{font-variant-numeric:tabular-nums;font-weight:800;letter-spacing:-.02em}
.wrap{max-width:1240px;margin:0 auto;padding:0 24px}

/* ============ header ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.92);
  -webkit-backdrop-filter:blur(12px);
  backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s var(--ease);
}
.site-header.is-scrolled{box-shadow:var(--sh-2)}
.nav-inner{display:flex;align-items:center;gap:20px;height:68px}
.logo{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.logo-mark{
  width:32px;height:32px;border-radius:10px;background:var(--grad-brand);
  color:#fff;font-size:16px;font-weight:800;display:grid;place-items:center;flex:0 0 auto;
}
.logo-text{display:flex;align-items:baseline;gap:4px;white-space:nowrap}
.logo-main{font-size:18px;font-weight:800;color:var(--ink);letter-spacing:-.02em}
.logo-sub{font-size:12px;font-weight:500;color:var(--ink-3)}
.nav-links{display:flex;align-items:center;gap:26px;margin-left:10px}
.nav-link{position:relative;font-size:14.5px;font-weight:500;color:var(--ink-2);padding:8px 0;transition:color .2s var(--ease);white-space:nowrap}
.nav-link:hover{color:var(--brand-500)}
.nav-link.is-active{color:var(--ink);font-weight:600}
.nav-link.is-active::after{content:"";position:absolute;left:0;right:0;bottom:0;height:3px;border-radius:999px;background:var(--grad-brand)}
.nav-right{margin-left:auto;display:flex;align-items:center;gap:12px}
.nav-search{position:relative;display:flex;align-items:center}
.nav-search svg{position:absolute;left:12px;stroke:var(--ink-4)}
.nav-search input{
  width:200px;height:38px;border-radius:999px;border:1px solid var(--line);background:#fff;
  padding:0 14px 0 34px;font-size:14px;outline:none;transition:border-color .2s,box-shadow .2s;
}
.nav-search input::placeholder{color:var(--ink-4)}
.nav-search input:focus{border-color:var(--brand-500);box-shadow:0 0 0 3px rgba(244,81,30,.15)}
.nav-login{font-size:14.5px;color:var(--ink-2);padding:8px 4px;transition:color .2s}
.nav-login:hover{color:var(--brand-500)}
.menu-btn{
  display:none;position:relative;width:44px;height:44px;border-radius:12px;
  border:1px solid var(--line);background:#fff;cursor:pointer;
}
.menu-btn span{position:absolute;left:12px;right:12px;top:50%;height:2px;border-radius:2px;background:var(--ink);transform:translateY(-50%)}
.menu-btn span::before,.menu-btn span::after{content:"";position:absolute;left:0;right:0;height:2px;border-radius:2px;background:var(--ink)}
.menu-btn span::before{top:-6px}
.menu-btn span::after{top:6px}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:12px 26px;border-radius:999px;border:1.5px solid transparent;
  font-size:15px;font-weight:600;cursor:pointer;text-align:center;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),background-color .22s var(--ease),border-color .22s var(--ease),color .22s var(--ease);
}
.btn-primary{background-image:var(--grad-btn);color:#fff;box-shadow:var(--sh-1)}
.btn-primary:hover{background-image:linear-gradient(107deg,#E8420F 0%,#C9255C 100%);transform:translateY(-2px);box-shadow:var(--sh-3)}
.btn-primary:active{transform:translateY(0) scale(.98)}
.btn-primary:focus-visible{outline:2px solid var(--brand-500);outline-offset:2px}
.btn-primary:disabled{background:#D8CFC2;background-image:none;color:#98A0A6;box-shadow:none;cursor:not-allowed;transform:none}
.btn-ghost{background:#fff;border-color:var(--line-2);color:var(--ink)}
.btn-ghost:hover{border-color:var(--brand-500);background:#FFF7F3;color:var(--brand-600)}
.btn-ghost:focus-visible{outline:2px solid var(--brand-500);outline-offset:2px}
.btn-lime{background:var(--lime);color:var(--ink)}
.btn-lime:hover{background:#D6F76C;transform:translateY(-2px)}
.btn-lime:active{transform:translateY(0) scale(.98)}
.btn-white{background:#fff;color:var(--ink);border-color:rgba(255,255,255,.6)}
.btn-white:hover{background:#FFF7F3;transform:translateY(-2px)}
.btn-sm{min-height:38px;padding:8px 18px;font-size:14px}
.btn-block{width:100%}

/* ============ 徽章 / 标签 ============ */
.badge{display:inline-flex;align-items:center;gap:6px;height:24px;padding:0 10px;border-radius:999px;font-size:12px;font-weight:600;letter-spacing:.02em;white-space:nowrap}
.badge-lime{background:var(--lime);color:var(--ink)}
.badge-cat{background:#FFF0E9;color:#E8420F;border:1px solid rgba(244,81,30,.25)}
.badge-time{background:var(--sand);color:var(--ink-3);font-variant-numeric:tabular-nums}
.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin:36px 0 0}
.tag{display:inline-flex;align-items:center;height:32px;padding:0 14px;border-radius:999px;background:#fff;border:1px solid var(--line);font-size:13px;font-weight:500;color:var(--ink-2);transition:all .2s var(--ease)}
.tag:hover{border-color:var(--brand-500);color:var(--brand-600);background:#FFF7F3;transform:translateY(-2px)}

/* ============ 面包屑 ============ */
.crumb-wrap{padding-top:24px}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--ink-3)}
.breadcrumb a{color:var(--ink-3);transition:color .2s}
.breadcrumb a:hover{color:var(--brand-500)}
.crumb-sep{color:var(--line-2)}
.crumb-current{color:var(--ink);font-weight:600;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:520px}

/* ============ 文章布局 ============ */
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:48px;align-items:start;padding-top:24px;padding-bottom:8px}
.article-main{min-width:0;max-width:800px}
.article-head{padding:16px 0 0}
.article-title{
  font-size:34px;line-height:1.22;font-weight:800;letter-spacing:-.02em;color:var(--ink);
  margin:16px 0 14px;
}
.article-lead{font-size:17px;line-height:1.8;color:var(--ink-3);margin:0 0 18px}
.meta-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:14px;color:var(--ink-3);padding-bottom:22px;border-bottom:1px solid var(--line)}
.meta-row .dot{color:var(--line-2)}
.article-figure{position:relative;margin:28px 0 8px;border-radius:var(--r-card);overflow:hidden;background:var(--grad-soft);aspect-ratio:16/9}
.article-figure::after{
  content:"";position:absolute;right:-40px;top:-40px;width:220px;height:220px;
  background:repeating-linear-gradient(45deg,rgba(255,255,255,.12) 0 10px,transparent 10px 20px);
  pointer-events:none;
}
.article-figure img{width:100%;height:100%;object-fit:cover;border-radius:0;margin:0}

/* ============ 正文排版 ============ */
.article-body{max-width:760px;padding-top:32px;font-size:16px;line-height:1.9;color:var(--ink-2)}
.article-body h2{
  position:relative;font-size:22px;font-weight:700;line-height:1.45;color:var(--ink);
  margin:42px 0 16px;padding-left:14px;letter-spacing:-.01em;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.3em;bottom:.3em;width:4px;border-radius:999px;background:var(--grad-brand);
}
.article-body h3{font-size:18px;font-weight:600;line-height:1.5;color:var(--ink);margin:28px 0 12px}
.article-body p{margin:0 0 1.2em}
.article-body strong{color:var(--ink);font-weight:600}
.article-body ul,.article-body ol{margin:0 0 1.3em}
.article-body ul li{position:relative;padding-left:20px;margin-bottom:8px}
.article-body ul li::before{content:"";position:absolute;left:2px;top:.72em;width:7px;height:7px;border-radius:50%;background:var(--brand-500)}
.article-body ol{counter-reset:item}
.article-body ol li{position:relative;padding-left:26px;margin-bottom:10px;counter-increment:item}
.article-body ol li::before{
  content:counter(item);position:absolute;left:0;top:.45em;width:18px;height:18px;border-radius:6px;
  background:#FFF0E9;color:#E8420F;font-size:11px;font-weight:700;display:grid;place-items:center;
}
.article-body blockquote{
  margin:24px 0;padding:20px;background:var(--grad-soft);border-left:4px solid var(--brand-500);
  border-radius:16px;color:var(--ink-2);
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body a{color:var(--brand-600);text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:3px}
.article-body a:hover{color:var(--brand-700);text-decoration-thickness:2px}
.article-body img{border-radius:var(--r-img);margin:22px 0}
.article-body figure{margin:24px 0}
.article-body figcaption{font-size:13px;color:var(--ink-3);text-align:center;margin-top:8px}
.article-body table{width:100%;border-collapse:collapse;margin:22px 0;font-size:15px}
.article-body th{background:var(--sand);text-align:left;padding:12px 14px;font-weight:600;color:var(--ink)}
.article-body td{padding:12px 14px;border-top:1px solid var(--line);color:var(--ink-2)}
.article-body hr{border:0;border-top:1px solid var(--line);margin:36px 0}
.article-body code{background:var(--sand);border-radius:6px;padding:2px 6px;font-size:14px}

/* ============ 空态 ============ */
.empty-state{
  background:var(--sand);border-radius:var(--r-card);padding:44px 24px;text-align:center;
}
.empty-title{font-size:20px;font-weight:700;color:var(--ink);margin-bottom:8px}
.empty-desc{font-size:14px;color:var(--ink-3);margin-bottom:20px}

/* ============ 侧栏 ============ */
.article-side{position:sticky;top:88px;display:grid;gap:20px}
.side-card{background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);padding:20px;box-shadow:var(--sh-1)}
.side-title{font-size:16px;font-weight:700;color:var(--ink);margin-bottom:14px;letter-spacing:-.01em}
.side-list{display:grid;gap:10px}
.side-list li{position:relative;padding-left:16px;font-size:14px;line-height:1.7;color:var(--ink-3)}
.side-list li::before{content:"";position:absolute;left:0;top:.7em;width:6px;height:6px;border-radius:50%;background:var(--brand-500)}
.mini-card{display:flex;gap:12px;align-items:center;padding:8px;border-radius:14px;transition:background-color .2s var(--ease),transform .2s var(--ease)}
.mini-card:hover{background:#FFF7F3;transform:translateY(-2px)}
.mini-thumb{width:72px;height:54px;flex:0 0 auto;border-radius:12px;overflow:hidden;background:var(--grad-soft)}
.mini-thumb img{width:100%;height:100%;object-fit:cover}
.mini-title{font-size:14px;font-weight:600;color:var(--ink);line-height:1.45}
.mini-meta{font-size:12px;color:var(--ink-4);margin-top:4px}
.side-dark{background:var(--ink);border-color:var(--ink);color:#fff}
.side-dark .side-title{color:#fff}
.side-dark p{font-size:14px;color:#A8B0B6;margin-bottom:16px}
.side-actions{display:grid;gap:10px}

/* ============ CTA 条 ============ */
.cta-bar{
  position:relative;overflow:hidden;border-radius:var(--r-card);background:var(--ink);color:#fff;
  display:flex;align-items:center;justify-content:space-between;gap:24px;
  padding:28px 32px;margin:44px 0 0;
}
.cta-bar::before{
  content:"";position:absolute;inset:0;background-image:url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;opacity:.2;
}
.cta-bar > *{position:relative}
.cta-title{font-size:20px;font-weight:700;color:#fff;margin-bottom:6px}
.cta-desc{font-size:14px;color:#A8B0B6}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap}

/* ============ 板块 ============ */
.section{padding:56px 0 0}
.section-title{font-size:28px;font-weight:700;color:var(--ink);letter-spacing:-.02em;line-height:1.3;margin-bottom:8px}
.section-sub{font-size:14px;color:var(--ink-3);margin-bottom:26px}

/* ============ 卡片 ============ */
.card{
  display:block;background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--sh-1);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.card:hover{transform:translateY(-4px);box-shadow:var(--sh-3);border-color:rgba(244,81,30,.35)}
.card:hover .card-title{color:var(--brand-600)}
.card-thumb{position:relative;aspect-ratio:16/10;background:var(--grad-soft);overflow:hidden}
.card-thumb::after{
  content:"";position:absolute;right:-30px;top:-30px;width:160px;height:160px;
  background:repeating-linear-gradient(45deg,rgba(255,255,255,.12) 0 8px,transparent 8px 16px);
}
.card-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s var(--ease)}
.card:hover .card-thumb img{transform:scale(1.04)}
.card-body{padding:20px}
.card-title{font-size:18px;font-weight:600;color:var(--ink);line-height:1.4;margin:10px 0 8px;transition:color .2s var(--ease)}
.card-desc{font-size:14px;line-height:1.7;color:var(--ink-3);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-meta{display:flex;align-items:center;gap:10px;margin-top:14px;font-size:13px;color:var(--ink-4)}
.rec-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}

/* ============ FAQ ============ */
.faq-list{display:grid;gap:12px}
.faq-item{background:var(--card);border:1px solid var(--line);border-radius:16px;overflow:hidden;transition:border-color .2s var(--ease),box-shadow .2s var(--ease)}
.faq-item.is-open{border-color:rgba(244,81,30,.3);box-shadow:var(--sh-1)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 20px;background:none;border:0;text-align:left;cursor:pointer;
  font-size:17px;font-weight:600;color:var(--ink);line-height:1.5;
}
.faq-q:focus-visible{outline:2px solid var(--brand-500);outline-offset:-2px}
.faq-icon{
  width:32px;height:32px;flex:0 0 auto;border-radius:50%;background:#FFF0E9;color:#E8420F;
  display:grid;place-items:center;font-size:18px;line-height:1;transition:transform .24s ease-out;
}
.faq-item.is-open .faq-icon{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;opacity:0;transition:max-height .24s ease-out,opacity .24s ease-out}
.faq-item.is-open .faq-a{opacity:1}
.faq-a p{padding:0 20px 20px;font-size:15px;line-height:1.8;color:var(--ink-2);margin:0}

/* ============ 返回行 ============ */
.back-row{display:flex;flex-wrap:wrap;align-items:center;gap:14px;padding:40px 0 8px}
.back-note{font-size:14px;color:var(--ink-3)}

/* ============ 抽屉 ============ */
.drawer-mask{
  position:fixed;inset:0;background:rgba(19,26,31,.5);opacity:0;visibility:hidden;
  transition:opacity .28s var(--ease),visibility .28s;z-index:80;
}
.drawer-mask.is-open{opacity:1;visibility:visible}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:84%;max-width:360px;background:#fff;z-index:90;
  transform:translateX(100%);transition:transform .3s var(--ease);
  border-radius:24px 0 0 24px;padding:20px;display:flex;flex-direction:column;gap:18px;overflow-y:auto;
}
.drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;gap:10px}
.drawer-close{
  margin-left:auto;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);
  background:#fff;font-size:22px;line-height:1;cursor:pointer;color:var(--ink);
}
.drawer-close:hover{border-color:var(--brand-500);color:var(--brand-600)}
.drawer-search input{width:100%;height:44px;border-radius:999px;border:1px solid var(--line);padding:0 18px;font-size:14px;outline:none}
.drawer-search input:focus{border-color:var(--brand-500);box-shadow:0 0 0 3px rgba(244,81,30,.15)}
.drawer-links{display:grid;gap:4px}
.drawer-links a{padding:12px 8px;border-radius:12px;font-size:15px;font-weight:500;color:var(--ink-2)}
.drawer-links a:hover{background:#FFF7F3;color:var(--brand-600)}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink);color:#A8B0B6;margin-top:88px;padding:64px 0 32px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:32px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.footer-brand .logo-main{color:#fff}
.footer-brand .logo-sub{color:#8A9299}
.footer-desc{font-size:14px;line-height:1.8;color:#8A9299;max-width:330px;margin-bottom:16px}
.footer-icons{display:flex;gap:8px}
.footer-icons span{width:32px;height:32px;border-radius:10px;background:rgba(255,255,255,.06);color:var(--lime);display:grid;place-items:center;font-size:13px}
.footer-col h3{color:#fff;font-size:14px;font-weight:600;margin-bottom:14px}
.footer-col ul{display:grid;gap:10px}
.footer-col a{font-size:14px;color:#A8B0B6;transition:color .2s var(--ease)}
.footer-col a:hover{color:var(--lime)}
.footer-bottom{
  margin-top:48px;padding-top:24px;border-top:1px solid rgba(255,255,255,.08);
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;font-size:13px;color:#7B838A;
}
.footer-bottom .num{font-weight:500;letter-spacing:0}

/* ============ 响应式 ============ */
@media (max-width:1180px){
  .nav-links{gap:18px}
  .nav-search input{width:170px}
}
@media (max-width:1024px){
  .nav-links{display:none}
  .nav-search{display:none}
  .menu-btn{display:block}
  .article-layout{grid-template-columns:minmax(0,1fr);gap:32px}
  .article-side{position:static}
  .article-main{max-width:none}
  .article-title{font-size:30px}
  .rec-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:768px){
  .wrap{padding:0 16px}
  .section{padding:40px 0 0}
  .section-title{font-size:22px}
  .article-title{font-size:26px}
  .article-body{font-size:15.5px}
  .cta-bar{flex-direction:column;align-items:flex-start;padding:24px}
  .cta-actions{width:100%}
  .cta-actions .btn{flex:1 1 auto}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .site-footer{margin-top:56px;padding:48px 0 28px}
  .crumb-current{max-width:260px}
}
@media (max-width:520px){
  .rec-grid{grid-template-columns:minmax(0,1fr)}
  .article-title{font-size:23px}
  .logo-sub{display:none}
  .nav-inner{height:60px}
  .footer-grid{grid-template-columns:1fr 1fr}
  .footer-bottom{flex-direction:column;gap:6px}
  .badge-time{display:none}
}

/* roulang page: category1 */
:root{
  --brand-500:#F4511E;
  --brand-600:#E8420F;
  --brand-700:#C9255C;
  --ink:#131A1F;
  --ink-2:#3A444B;
  --ink-3:#6B747C;
  --ink-4:#98A0A6;
  --bg:#F7F4EF;
  --card:#FFFFFF;
  --sand:#F1ECE4;
  --line:#E8E2D8;
  --line-2:#D8CFC2;
  --lime:#C9F24D;
  --grad-brand:linear-gradient(115deg,#E8420F 0%,#F4511E 42%,#C9255C 100%);
  --grad-btn:linear-gradient(115deg,#E8420F 0%,#C9255C 100%);
  --grad-soft:linear-gradient(115deg,#FFF0E9 0%,#FFFFFF 60%,#FDF0F5 100%);
  --r-btn:999px;
  --r-card:20px;
  --r-hero:28px;
  --r-img:16px;
  --sh-1:0 1px 2px rgba(19,26,31,.05),0 2px 8px rgba(19,26,31,.05);
  --sh-2:0 8px 24px -8px rgba(19,26,31,.14);
  --sh-3:0 18px 40px -16px rgba(19,26,31,.22);
  --ease:cubic-bezier(.22,.61,.36,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"HarmonyOS Sans SC","PingFang SC","Noto Sans SC","Microsoft YaHei",system-ui,sans-serif;
  background:var(--bg);
  color:var(--ink);
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button,input{font:inherit;color:inherit;}
h1,h2,h3,p,ul,ol,figure{margin:0;}
ul,ol{padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--brand-500);outline-offset:2px;}
.num,.toc-num,.hero-stat-num,.pick-time{font-variant-numeric:tabular-nums;}

.wrap{width:100%;max-width:1240px;margin:0 auto;padding:0 24px;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--r-btn);border:1.5px solid transparent;
  font-size:15px;font-weight:600;line-height:1;padding:12px 26px;min-height:44px;
  cursor:pointer;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),background .22s var(--ease),border-color .22s var(--ease),color .22s var(--ease),filter .22s var(--ease);
}
.btn-sm{padding:9px 18px;font-size:14px;min-height:38px;}
.btn-primary{background:var(--grad-btn);color:#fff;box-shadow:var(--sh-1);}
.btn-primary:hover{transform:translateY(-2px);box-shadow:var(--sh-3);filter:saturate(1.06);}
.btn-primary:active{transform:translateY(0) scale(.98);}
.btn-ghost{background:#fff;border-color:var(--line-2);color:var(--ink);}
.btn-ghost:hover{border-color:var(--brand-500);background:#FFF7F3;transform:translateY(-2px);}
.btn-ghost:active{transform:translateY(0) scale(.98);}
.btn-lime{background:var(--lime);color:var(--ink);}
.btn-lime:hover{filter:brightness(1.04);transform:translateY(-2px);box-shadow:var(--sh-2);}
.btn-lime:active{transform:translateY(0) scale(.98);}
.btn-white{background:#fff;color:var(--ink);box-shadow:var(--sh-1);}
.btn-white:hover{transform:translateY(-2px);box-shadow:var(--sh-3);}
.btn-white:active{transform:translateY(0) scale(.98);}
.btn-line-white{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.65);color:#fff;}
.btn-line-white:hover{background:rgba(255,255,255,.18);transform:translateY(-2px);}
.btn-line-white:active{transform:translateY(0) scale(.98);}
.btn[disabled]{background:var(--line-2);color:var(--ink-4);cursor:not-allowed;box-shadow:none;transform:none;}
.link-orange{color:var(--brand-600);text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1px;}
.link-orange:hover{color:var(--brand-700);text-decoration-thickness:2px;}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.92);
  -webkit-backdrop-filter:blur(12px);
  backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s var(--ease);
}
.site-header.is-scrolled{box-shadow:var(--sh-1);}
.nav-inner{display:flex;align-items:center;gap:22px;height:68px;}
.logo{display:flex;align-items:center;gap:10px;flex:none;}
.logo-mark{
  width:32px;height:32px;border-radius:10px;background:var(--grad-brand);
  color:#fff;font-weight:800;font-size:16px;display:grid;place-items:center;flex:none;
  box-shadow:var(--sh-1);
}
.logo-text{display:flex;align-items:baseline;gap:4px;}
.logo-main{font-size:18px;font-weight:800;letter-spacing:-.01em;color:var(--ink);}
.logo-sub{font-size:12px;font-weight:500;color:var(--ink-3);}
.nav-links{display:flex;align-items:center;gap:28px;margin-left:6px;}
.nav-link{
  position:relative;display:inline-flex;align-items:center;height:68px;
  font-size:14.5px;font-weight:500;color:var(--ink-2);white-space:nowrap;
  transition:color .2s var(--ease);
}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:3px;border-radius:3px 3px 0 0;
  background:var(--grad-brand);opacity:0;transform:scaleX(.4);
  transition:opacity .22s var(--ease),transform .22s var(--ease);
}
.nav-link:hover{color:var(--brand-500);}
.nav-link.is-active{color:var(--ink);font-weight:600;}
.nav-link.is-active::after{opacity:1;transform:scaleX(1);}
.nav-right{display:flex;align-items:center;gap:14px;margin-left:auto;}
.nav-search{
  display:flex;align-items:center;gap:8px;width:200px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-btn);
  padding:8px 14px;transition:border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.nav-search svg{stroke:var(--ink-4);flex:none;}
.nav-search input{
  border:0;background:transparent;width:100%;font-size:14px;outline:none;
}
.nav-search input::placeholder{color:var(--ink-4);}
.nav-search:focus-within{border-color:var(--brand-500);box-shadow:0 0 0 3px rgba(244,81,30,.15);}
.nav-login{font-size:14.5px;font-weight:500;color:var(--ink-2);transition:color .2s var(--ease);}
.nav-login:hover{color:var(--brand-500);}
.menu-btn{
  display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);
  background:#fff;position:relative;cursor:pointer;
}
.menu-btn span{position:absolute;top:50%;left:50%;width:18px;height:2px;background:var(--ink);border-radius:2px;transform:translate(-50%,-50%);}
.menu-btn span::before,.menu-btn span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink);border-radius:2px;}
.menu-btn span::before{top:-6px;}
.menu-btn span::after{top:6px;}

/* ---------- 移动抽屉 ---------- */
.nav-mask{
  position:fixed;inset:0;background:rgba(19,26,31,.5);z-index:80;
  opacity:0;visibility:hidden;transition:opacity .3s var(--ease),visibility .3s var(--ease);
}
body.menu-open .nav-mask{opacity:1;visibility:visible;}
.nav-drawer{
  position:fixed;top:0;right:0;height:100%;width:84%;max-width:360px;z-index:90;
  background:#fff;border-radius:24px 0 0 24px;padding:26px 22px 32px;
  transform:translateX(104%);transition:transform .3s var(--ease);
  overflow-y:auto;
}
body.menu-open .nav-drawer{transform:none;}
.drawer-head{display:flex;align-items:center;gap:10px;padding-bottom:18px;border-bottom:1px solid var(--line);}
.drawer-nav{display:flex;flex-direction:column;margin:16px 0 4px;}
.drawer-link{
  padding:13px 12px;border-radius:14px;font-size:15px;font-weight:500;color:var(--ink-2);
  transition:background .2s var(--ease),color .2s var(--ease);
}
.drawer-link:hover{background:var(--sand);color:var(--ink);}
.drawer-link.is-active{background:#FFF0E9;color:var(--brand-600);font-weight:600;}
.drawer-search{display:flex;gap:10px;margin:18px 0 14px;}
.drawer-search input{
  flex:1;min-width:0;border-radius:var(--r-btn);border:1px solid var(--line);
  background:#fff;padding:11px 16px;font-size:14px;outline:none;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.drawer-search input:focus{border-color:var(--brand-500);box-shadow:0 0 0 3px rgba(244,81,30,.15);}
.drawer-cta{width:100%;}

/* ---------- 面包屑 ---------- */
.crumb{display:flex;align-items:center;gap:8px;flex-wrap:wrap;font-size:13px;color:var(--ink-3);padding:22px 0 16px;}
.crumb a{color:var(--ink-3);transition:color .2s var(--ease);}
.crumb a:hover{color:var(--brand-500);}
.crumb .sep{color:var(--ink-4);}
.crumb .current{color:var(--ink);font-weight:600;}

/* ---------- 分类页头 ---------- */
.cat-hero-card{
  position:relative;overflow:hidden;border-radius:var(--r-hero);min-height:320px;
  display:flex;align-items:center;
  background-image:
    linear-gradient(150deg,rgba(232,66,15,.88) 0%,rgba(244,81,30,.72) 48%,rgba(201,37,92,.86) 100%),
    url(/assets/images/backpic/back-1.webp);
  background-size:cover;
  background-position:center 32%;
  box-shadow:var(--sh-2);
  padding:44px 48px;
}
.cat-hero-grid{
  display:grid;grid-template-columns:minmax(0,1.55fr) minmax(0,1fr);
  gap:36px;align-items:center;width:100%;
}
.hero-tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 13px;border-radius:var(--r-btn);
  background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.32);
  color:#fff;font-size:12px;font-weight:600;letter-spacing:.02em;
}
.cat-hero-text h1{
  margin:16px 0 14px;
  font-size:44px;font-weight:800;line-height:1.15;letter-spacing:-.02em;color:#fff;
  max-width:640px;
}
.hero-sub{font-size:17px;line-height:1.8;color:rgba(255,255,255,.88);max-width:600px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px;}
.hero-stats{display:flex;flex-direction:column;gap:12px;}
.hero-stat{
  background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.3);
  border-radius:var(--r-img);padding:14px 18px;
}
.hero-stat-num{display:block;font-size:28px;font-weight:800;letter-spacing:-.02em;color:#fff;line-height:1.2;}
.hero-stat-label{display:block;font-size:12px;font-weight:600;letter-spacing:.02em;color:rgba(255,255,255,.82);margin-top:2px;}

/* ---------- 板块通用 ---------- */
.section{margin-top:88px;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:28px;flex-wrap:wrap;}
.section-head h2{font-size:28px;font-weight:700;letter-spacing:-.01em;line-height:1.3;}
.section-head p{font-size:14px;color:var(--ink-3);max-width:560px;}
.section-eyebrow{display:block;font-size:12px;font-weight:700;letter-spacing:.12em;color:var(--brand-600);margin-bottom:8px;}

/* ---------- 栏目目录 ---------- */
.toc-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 44px;}
.toc-item{
  display:flex;align-items:center;gap:18px;padding:20px 14px;
  border-bottom:1px solid var(--line);border-radius:14px;
  transition:background .22s var(--ease),padding-left .22s var(--ease);
}
.toc-item:hover{background:#fff;padding-left:22px;}
.toc-num{font-size:17px;font-weight:800;color:var(--brand-600);letter-spacing:-.02em;flex:none;min-width:34px;}
.toc-body{flex:1;min-width:0;}
.toc-body h3{font-size:17px;font-weight:600;line-height:1.4;}
.toc-body p{font-size:13.5px;color:var(--ink-3);margin-top:2px;}
.toc-count{
  flex:none;font-size:12px;font-weight:600;letter-spacing:.02em;
  background:var(--sand);color:var(--ink-3);border-radius:var(--r-btn);padding:4px 10px;
}
.toc-arrow{flex:none;color:var(--ink-4);font-size:16px;transition:transform .22s var(--ease),color .22s var(--ease);}
.toc-item:hover .toc-arrow{transform:translateX(4px);color:var(--brand-500);}

/* ---------- 精选条目 ---------- */
.pick-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;}
.pick-card{
  display:block;background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--sh-1);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.pick-card:hover{transform:translateY(-4px);box-shadow:var(--sh-3);border-color:rgba(244,81,30,.35);}
.pick-media{
  position:relative;aspect-ratio:16/10;overflow:hidden;
  background-image:var(--grad-soft);
}
.pick-media::after{
  content:"";position:absolute;top:0;right:0;width:46%;height:100%;
  background:linear-gradient(115deg,transparent 0%,rgba(255,255,255,.55) 100%);
  opacity:.5;pointer-events:none;
}
.pick-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease);}
.pick-card:hover .pick-media img{transform:scale(1.04);}
.pick-body{padding:22px 24px 24px;}
.badge-cat{
  display:inline-flex;align-items:center;padding:4px 11px;border-radius:var(--r-btn);
  background:#FFF0E9;color:var(--brand-600);border:1px solid rgba(244,81,30,.25);
  font-size:12px;font-weight:600;letter-spacing:.02em;
}
.pick-body h3{font-size:18px;font-weight:600;line-height:1.4;margin:12px 0 8px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.pick-body p{font-size:14px;color:var(--ink-3);line-height:1.75;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.pick-meta{display:flex;align-items:center;gap:12px;margin-top:16px;font-size:13px;color:var(--ink-4);}
.pick-time{background:var(--sand);border-radius:var(--r-btn);padding:3px 10px;color:var(--ink-3);font-size:12px;font-weight:600;}

/* ---------- 要点速览 ---------- */
.point-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;}
.point-item{
  display:flex;gap:16px;background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:22px 24px;box-shadow:var(--sh-1);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.point-item:hover{transform:translateY(-4px);box-shadow:var(--sh-3);border-color:rgba(244,81,30,.35);}
.point-icon{
  width:44px;height:44px;border-radius:14px;background:#FFF0E9;color:var(--brand-600);
  display:grid;place-items:center;flex:none;
}
.point-icon svg{stroke:var(--brand-600);}
.point-text h3{font-size:17px;font-weight:600;line-height:1.4;}
.point-text p{font-size:14px;color:var(--ink-3);line-height:1.75;margin-top:4px;}

/* ---------- FAQ ---------- */
.faq-list{display:flex;flex-direction:column;gap:12px;}
.faq-item{background:var(--card);border:1px solid var(--line);border-radius:16px;overflow:hidden;transition:border-color .22s var(--ease),box-shadow .22s var(--ease);}
.faq-item:hover{border-color:var(--line-2);}
.faq-item.is-open{border-color:rgba(244,81,30,.35);box-shadow:var(--sh-1);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  background:none;border:0;padding:18px 22px;cursor:pointer;text-align:left;
  font-size:17px;font-weight:600;color:var(--ink);line-height:1.5;
}
.faq-toggle{
  width:32px;height:32px;border-radius:50%;background:#FFF0E9;color:var(--brand-600);
  display:grid;place-items:center;flex:none;font-size:19px;line-height:1;
  transition:transform .24s ease-out;
}
.faq-item.is-open .faq-toggle{transform:rotate(45deg);}
.faq-a{max-height:0;opacity:0;overflow:hidden;transition:max-height .24s ease-out,opacity .24s ease-out;}
.faq-a p{padding:0 22px 20px;font-size:15px;color:var(--ink-2);line-height:1.8;}
.faq-item.is-open .faq-a{max-height:340px;opacity:1;}

/* ---------- CTA 条 ---------- */
.cta-band{
  background:var(--ink);border-radius:var(--r-card);padding:32px 36px;
  display:flex;align-items:center;justify-content:space-between;gap:24px;
  box-shadow:var(--sh-2);
}
.cta-band h2{font-size:24px;font-weight:700;color:#fff;line-height:1.35;letter-spacing:-.01em;}
.cta-band p{font-size:14px;color:#A8B0B6;margin-top:6px;}
.cta-actions{display:flex;gap:12px;flex:none;}
.fav-note{font-size:13px;color:var(--lime);margin-top:8px;min-height:20px;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:#A8B0B6;margin-top:88px;padding:64px 0 32px;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.footer-brand .logo-main{color:#fff;}
.footer-brand .logo-sub{color:var(--ink-4);}
.footer-desc{font-size:14px;line-height:1.8;max-width:320px;color:#A8B0B6;}
.footer-icons{display:flex;gap:8px;margin-top:18px;}
.footer-icons span{
  width:32px;height:32px;border-radius:10px;background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.1);color:var(--lime);
  font-size:12px;display:grid;place-items:center;
}
.footer-col h3{font-size:14px;font-weight:600;color:#fff;margin-bottom:14px;}
.footer-col li{margin-bottom:10px;}
.footer-col a{font-size:14px;color:#A8B0B6;transition:color .2s var(--ease);}
.footer-col a:hover{color:var(--lime);}
.footer-bottom{
  margin-top:44px;padding-top:24px;border-top:1px solid rgba(255,255,255,.08);
  display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;
  font-size:13px;color:var(--ink-4);
}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .nav-links{display:none;}
  .menu-btn{display:block;}
  .cat-hero-grid{grid-template-columns:1fr;gap:26px;}
  .cat-hero-card{padding:36px 32px;}
  .cat-hero-text h1{font-size:34px;}
  .hero-stats{flex-direction:row;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:768px){
  .wrap{padding:0 18px;}
  .section{margin-top:56px;}
  .section-head h2{font-size:22px;}
  .toc-grid{grid-template-columns:1fr;gap:0;}
  .pick-grid{grid-template-columns:1fr;}
  .point-grid{grid-template-columns:1fr;}
  .cta-band{flex-direction:column;align-items:flex-start;padding:26px 22px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{flex:1;}
  .cat-hero-card{padding:30px 22px;min-height:420px;}
  .cat-hero-text h1{font-size:30px;}
  .hero-sub{font-size:15.5px;}
  .hero-stats{grid-template-columns:1fr 1fr;}
  .site-footer{padding:48px 0 28px;margin-top:56px;}
  .nav-search{display:none;}
}
@media (max-width:520px){
  .wrap{padding:0 16px;}
  .logo-sub{display:none;}
  .hero-stats{grid-template-columns:1fr;}
  .pick-body{padding:18px 18px 20px;}
  .toc-item{padding:16px 10px;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}

/* roulang page: category2 */
:root{
  --orange-500:#F4511E;
  --orange-600:#E8420F;
  --magenta-700:#C9255C;
  --ink:#131A1F;
  --ink-2:#3A444B;
  --muted:#6B747C;
  --faint:#98A0A6;
  --bg:#F7F4EF;
  --card:#FFFFFF;
  --sand:#F1ECE4;
  --line:#E8E2D8;
  --line-strong:#D8CFC2;
  --lime:#C9F24D;
  --grad:linear-gradient(115deg,#E8420F 0%,#F4511E 42%,#C9255C 100%);
  --grad-btn:linear-gradient(115deg,#E8420F 0%,#C9255C 100%);
  --grad-btn-hover:linear-gradient(107deg,#E8420F 0%,#C9255C 100%);
  --grad-soft:linear-gradient(150deg,#FFF0E9 0%,#FFFFFF 58%,#FDF0F5 100%);
  --r-card:20px;
  --r-hero:28px;
  --r-img:16px;
  --sh-1:0 1px 2px rgba(19,26,31,.05),0 2px 8px rgba(19,26,31,.05);
  --sh-2:0 8px 24px -8px rgba(19,26,31,.14);
  --sh-3:0 18px 40px -16px rgba(19,26,31,.22);
  --ease:cubic-bezier(.22,.61,.36,1);
  --sec:88px;
}
*,*::before,*::after{box-sizing:border-box}
html body{
  margin:0;padding:0;
  background:var(--bg);
  color:var(--ink);
  font-family:"HarmonyOS Sans SC","PingFang SC","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;line-height:1.8;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
button,input{font:inherit;color:inherit}
button{background:none;border:0;cursor:pointer}
ul{list-style:none;margin:0;padding:0}
h1,h2,h3,h4,p{margin:0}
.num{font-variant-numeric:tabular-nums;font-weight:800;letter-spacing:-.02em}
.wrap{width:100%;max-width:1240px;margin:0 auto;padding:0 24px}
.section{padding:44px 0}
.block{margin-top:var(--sec)}
.section-label{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;letter-spacing:.08em;color:var(--orange-600)}
.section-label::before{content:"";width:22px;height:3px;border-radius:999px;background-image:var(--grad)}
.sec-title{font-size:28px;line-height:1.3;font-weight:700;letter-spacing:-.01em;color:var(--ink)}
.sec-desc{margin-top:12px;font-size:15px;color:var(--muted);max-width:680px}
.sec-head{margin-bottom:32px}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.92);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .24s var(--ease);
}
.site-header.is-scrolled{box-shadow:var(--sh-1)}
.nav-inner{display:flex;align-items:center;gap:24px;height:68px}
.logo{display:flex;align-items:center;gap:10px;flex:0 0 auto;min-height:44px}
.logo-mark{
  width:32px;height:32px;border-radius:10px;
  background-image:var(--grad);color:#fff;
  display:grid;place-items:center;
  font-size:16px;font-weight:800;
  box-shadow:0 6px 14px -6px rgba(201,37,92,.55);
}
.logo-text{display:flex;flex-direction:column;line-height:1.1}
.logo-main{font-size:18px;font-weight:800;letter-spacing:-.01em;color:var(--ink)}
.logo-sub{font-size:12px;font-weight:500;color:var(--muted);letter-spacing:.04em}
.nav-links{display:flex;align-items:center;gap:28px;margin-left:8px;flex:1 1 auto}
.nav-link{position:relative;display:inline-flex;align-items:center;height:44px;font-size:14.5px;font-weight:500;color:var(--ink-2);transition:color .2s var(--ease)}
.nav-link:hover{color:var(--orange-500)}
.nav-link.is-active{color:var(--ink);font-weight:700}
.nav-link.is-active::after{content:"";position:absolute;left:0;right:0;bottom:6px;height:3px;border-radius:999px;background-image:var(--grad)}
.nav-right{display:flex;align-items:center;gap:14px;flex:0 0 auto;margin-left:auto}
.nav-search{
  display:flex;align-items:center;gap:8px;
  width:200px;height:40px;padding:0 16px;
  background:#fff;border:1px solid var(--line);border-radius:999px;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.nav-search svg{stroke:var(--faint);flex:0 0 auto}
.nav-search input{width:100%;border:0;outline:0;background:transparent;font-size:14px}
.nav-search input::placeholder{color:var(--faint)}
.nav-search:focus-within{border-color:var(--orange-500);box-shadow:0 0 0 3px rgba(244,81,30,.15)}
.nav-login{font-size:14.5px;font-weight:600;color:var(--ink-2);padding:10px 4px;transition:color .2s var(--ease)}
.nav-login:hover{color:var(--orange-500)}
.menu-btn{
  display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);
  background:#fff;place-items:center;
}
.menu-btn span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;position:relative;transition:.2s}
.menu-btn span::before,.menu-btn span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink);border-radius:2px;transition:.2s}
.menu-btn span::before{top:-6px}
.menu-btn span::after{top:6px}
.menu-btn[aria-expanded="true"] span{background:transparent}
.menu-btn[aria-expanded="true"] span::before{top:0;transform:rotate(45deg)}
.menu-btn[aria-expanded="true"] span::after{top:0;transform:rotate(-45deg)}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:12px 26px;border-radius:999px;
  font-size:15px;font-weight:600;letter-spacing:.01em;
  border:1.5px solid transparent;cursor:pointer;white-space:nowrap;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),background-color .22s var(--ease),border-color .22s var(--ease),color .22s var(--ease);
}
.btn-primary{background-image:var(--grad-btn);color:#fff;box-shadow:var(--sh-2)}
.btn-primary:hover{background-image:var(--grad-btn-hover);transform:translateY(-2px);box-shadow:var(--sh-3)}
.btn-primary:active{transform:translateY(0) scale(.98)}
.btn-primary:focus-visible{outline:2px solid var(--orange-500);outline-offset:2px}
.btn-primary:disabled{background-image:none;background-color:var(--line-strong);color:var(--faint);cursor:not-allowed;box-shadow:none}
.btn-ghost{background:#fff;border-color:var(--line-strong);color:var(--ink)}
.btn-ghost:hover{border-color:var(--orange-500);background:#FFF7F3;transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(0) scale(.98)}
.btn-ghost:focus-visible{outline:2px solid var(--orange-500);outline-offset:2px}
.btn-light{background:#fff;color:var(--ink)}
.btn-light:hover{transform:translateY(-2px);box-shadow:var(--sh-3)}
.btn-lime{background:var(--lime);color:var(--ink)}
.btn-lime:hover{background:#d3f866;transform:translateY(-2px)}
.btn-lime:focus-visible{outline:2px solid var(--lime);outline-offset:3px}
.btn-outline-light{border-color:rgba(255,255,255,.55);color:#fff;background:rgba(255,255,255,.12)}
.btn-outline-light:hover{background:rgba(255,255,255,.2);transform:translateY(-2px)}
.btn-sm{min-height:40px;padding:9px 18px;font-size:14px}

/* ---------- badges ---------- */
.badge{display:inline-flex;align-items:center;gap:6px;height:26px;padding:0 10px;border-radius:999px;font-size:12px;font-weight:600;letter-spacing:.02em;white-space:nowrap}
.badge-cat{background:#FFF0E9;color:var(--orange-600);border:1px solid rgba(244,81,30,.25)}
.badge-time{background:var(--sand);color:var(--muted)}
.badge-lime{background:var(--lime);color:var(--ink);font-weight:700}
.badge-line{background:#fff;border:1px solid var(--line);color:var(--ink-2)}

/* ---------- page head ---------- */
.page-head-wrap{padding-top:32px}
.page-head{
  position:relative;overflow:hidden;
  border-radius:var(--r-hero);
  border:1px solid var(--line);
  padding:52px 48px;
  background-image:linear-gradient(150deg,rgba(247,244,239,.96) 0%,rgba(247,244,239,.86) 46%,rgba(255,240,233,.9) 100%),url(/assets/images/backpic/back-2.png);
  background-size:cover,cover;
  background-position:center,center 35%;
}
.head-grid{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;position:relative;z-index:1}
.head-eyebrow{display:inline-flex;align-items:center;gap:8px;height:28px;padding:0 12px;border-radius:999px;background:#fff;border:1px solid var(--line);font-size:12.5px;font-weight:600;color:var(--orange-600);letter-spacing:.03em}
.head-title{margin-top:18px;font-size:40px;line-height:1.16;font-weight:800;letter-spacing:-.02em;color:var(--ink)}
.head-sub{margin-top:18px;font-size:16.5px;line-height:1.85;color:var(--ink-2);max-width:560px}
.head-badges{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}
.head-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.head-cover{
  position:relative;border-radius:24px;overflow:hidden;aspect-ratio:4/3;
  background-image:var(--grad-soft);
  box-shadow:12px 12px 0 -1px rgba(244,81,30,.22),var(--sh-2);
  border:1px solid var(--line);
}
.head-cover img{width:100%;height:100%;object-fit:cover}
.head-cover::after{content:"";position:absolute;inset:0;background-image:linear-gradient(140deg,rgba(19,26,31,.32),rgba(19,26,31,0) 62%)}
.head-cover-cap{
  position:absolute;left:16px;bottom:16px;z-index:2;
  display:inline-flex;align-items:center;gap:8px;
  padding:8px 14px;border-radius:999px;
  background:rgba(255,255,255,.92);color:var(--ink);
  font-size:12.5px;font-weight:600;
}

/* ---------- body layout ---------- */
.body-grid{display:grid;grid-template-columns:260px minmax(0,1fr);gap:48px;align-items:start}
.side-nav{position:sticky;top:88px}
.side-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:20px;box-shadow:var(--sh-1)}
.side-card + .side-card{margin-top:20px}
.side-title{font-size:12.5px;font-weight:700;letter-spacing:.1em;color:var(--faint);margin-bottom:12px}
.side-list a{
  display:flex;align-items:center;gap:8px;
  padding:10px 12px;border-radius:12px;
  font-size:14.5px;color:var(--ink-2);
  border-left:2px solid transparent;
  transition:background-color .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
}
.side-list a:hover{background:#FFF7F3;color:var(--orange-600);border-left-color:var(--orange-500)}
.side-list a.is-current{background:#FFF0E9;color:var(--orange-600);font-weight:600;border-left-color:var(--orange-500)}

/* ---------- card stream ---------- */
.stream{display:flex;flex-direction:column;gap:20px}
.row-card{
  display:grid;grid-template-columns:2fr 3fr;gap:20px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:16px;transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.row-card:hover{transform:translateY(-4px);box-shadow:var(--sh-3);border-color:rgba(244,81,30,.35)}
.row-cover{position:relative;border-radius:var(--r-img);overflow:hidden;aspect-ratio:4/3;background-image:var(--grad-soft);border:1px solid var(--line)}
.row-cover img{width:100%;height:100%;object-fit:cover;transition:transform .4s var(--ease)}
.row-card:hover .row-cover img{transform:scale(1.04)}
.row-cover::before{content:"";position:absolute;top:0;right:0;width:56px;height:56px;background-image:linear-gradient(135deg,rgba(255,255,255,.12),rgba(255,255,255,0));pointer-events:none}
.row-body{display:flex;flex-direction:column;gap:10px;min-width:0}
.row-title{font-size:18px;font-weight:600;line-height:1.4;color:var(--ink);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.row-desc{font-size:14px;line-height:1.75;color:var(--muted);display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.row-meta{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-top:auto;font-size:13px;color:var(--faint)}
.row-more{font-size:13px;font-weight:600;color:var(--orange-600);border-bottom:1px solid rgba(244,81,30,.5);padding-bottom:2px;align-self:flex-start}

/* ---------- steps ---------- */
.steps{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.step-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:24px;transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease)}
.step-card:hover{transform:translateY(-4px);box-shadow:var(--sh-3);border-color:rgba(244,81,30,.35)}
.step-num{font-size:28px;font-weight:800;letter-spacing:-.02em;font-variant-numeric:tabular-nums;background-image:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.step-title{margin-top:12px;font-size:17px;font-weight:600;color:var(--ink)}
.step-text{margin-top:8px;font-size:14px;line-height:1.75;color:var(--muted)}

/* ---------- data band ---------- */
.data-band{
  border-radius:var(--r-card);background:var(--ink);
  padding:40px;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;
}
.data-cell{padding-left:18px;border-left:2px solid rgba(201,242,77,.5)}
.data-num{font-size:34px;font-weight:800;line-height:1.1;color:#fff;font-variant-numeric:tabular-nums;letter-spacing:-.02em}
.data-label{margin-top:8px;font-size:14px;color:#A8B0B6}

/* ---------- faq ---------- */
.faq-grid{display:grid;grid-template-columns:320px minmax(0,1fr);gap:48px;align-items:start}
.faq-sticky{position:sticky;top:88px}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:16px;overflow:hidden;margin-bottom:12px;transition:border-color .22s var(--ease),box-shadow .22s var(--ease)}
.faq-item:hover{border-color:rgba(244,81,30,.35)}
.faq-item.is-open{box-shadow:var(--sh-2)}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:18px 20px;font-size:17px;font-weight:600;color:var(--ink);text-align:left}
.faq-icon{flex:0 0 auto;width:32px;height:32px;border-radius:50%;background:#FFF0E9;color:var(--orange-600);display:grid;place-items:center;font-size:18px;line-height:1;transition:transform .24s ease-out}
.faq-item.is-open .faq-icon{transform:rotate(45deg)}
.faq-a{max-height:0;opacity:0;overflow:hidden;transition:max-height .24s ease-out,opacity .24s ease-out}
.faq-item.is-open .faq-a{max-height:420px;opacity:1}
.faq-a p{padding:0 20px 20px;font-size:15px;line-height:1.8;color:var(--ink-2)}

/* ---------- track ---------- */
.track-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;margin-bottom:28px}
.track-nav{display:flex;gap:10px}
.track-btn{width:44px;height:44px;border-radius:50%;background:#fff;border:1px solid var(--line-strong);display:grid;place-items:center;color:var(--ink-2);transition:.2s var(--ease)}
.track-btn:hover{border-color:var(--orange-500);color:var(--orange-600);transform:translateY(-2px)}
.track{display:flex;gap:20px;overflow-x:auto;scroll-snap-type:x mandatory;padding:4px 4px 12px;scrollbar-width:none;-ms-overflow-style:none}
.track::-webkit-scrollbar{display:none}
.track-card{
  flex:0 0 280px;scroll-snap-align:start;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;
  display:flex;flex-direction:column;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.track-card:hover{transform:translateY(-4px);box-shadow:var(--sh-3);border-color:rgba(244,81,30,.35)}
.track-cover{aspect-ratio:16/10;overflow:hidden;background-image:var(--grad-soft);border-bottom:1px solid var(--line)}
.track-cover img{width:100%;height:100%;object-fit:cover}
.track-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1}
.track-title{font-size:17px;font-weight:600;line-height:1.4;color:var(--ink);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.track-text{font-size:13.5px;line-height:1.7;color:var(--muted);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}

/* ---------- cta bar ---------- */
.cta-bar{
  border-radius:var(--r-card);background:var(--ink);
  padding:36px 40px;display:flex;align-items:center;justify-content:space-between;gap:28px;
}
.cta-title{font-size:24px;font-weight:700;color:#fff;line-height:1.35}
.cta-text{margin-top:10px;font-size:14.5px;color:#A8B0B6}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap}

/* ---------- footer ---------- */
.site-footer{background:var(--ink);margin-top:var(--sec);padding:64px 0 32px;color:#A8B0B6}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.site-footer .logo-main{color:#fff}
.site-footer .logo-sub{color:rgba(255,255,255,.6)}
.footer-desc{font-size:14px;line-height:1.8;color:#A8B0B6;max-width:320px}
.footer-icons{display:flex;gap:10px;margin-top:20px}
.footer-icons span{width:34px;height:34px;border-radius:10px;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.1);display:grid;place-items:center;font-size:13px;color:#C9F24D}
.footer-col h3{font-size:14px;font-weight:600;color:#fff;margin-bottom:16px}
.footer-col a{display:block;font-size:14px;color:#A8B0B6;padding:5px 0;transition:color .2s var(--ease)}
.footer-col a:hover{color:var(--lime)}
.footer-bottom{margin-top:48px;padding-top:24px;border-top:1px solid rgba(255,255,255,.08);display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;font-size:13px;color:#8C949A}

/* ---------- drawer ---------- */
.drawer-mask{position:fixed;inset:0;background:rgba(19,26,31,.5);opacity:0;visibility:hidden;transition:.28s var(--ease);z-index:70}
.drawer-mask.is-open{opacity:1;visibility:visible}
.drawer{
  position:fixed;top:0;right:0;height:100%;width:84%;max-width:340px;z-index:80;
  background:#fff;border-radius:24px 0 0 24px;padding:24px;
  transform:translateX(102%);transition:transform .28s var(--ease);
  overflow-y:auto;display:flex;flex-direction:column;gap:6px;
}
.drawer.is-open{transform:translateX(0)}
.drawer-links a{display:flex;align-items:center;min-height:48px;padding:0 12px;border-radius:14px;font-size:15.5px;font-weight:500;color:var(--ink-2)}
.drawer-links a:hover{background:#FFF7F3;color:var(--orange-600)}
.drawer-links a.is-active{background:#FFF0E9;color:var(--orange-600);font-weight:700}
.drawer-search{display:flex;align-items:center;gap:8px;height:46px;padding:0 16px;border:1px solid var(--line);border-radius:999px;margin:14px 0}
.drawer-search input{width:100%;border:0;outline:0;background:transparent;font-size:14.5px}
body.no-scroll{overflow:hidden}

/* ---------- responsive ---------- */
@media (max-width:1023px){
  .nav-links{display:none}
  .nav-search{display:none}
  .nav-login{display:none}
  .menu-btn{display:grid}
  .page-head{padding:40px 28px}
  .head-grid{grid-template-columns:1fr;gap:32px}
  .head-title{font-size:32px}
  .head-cover{box-shadow:8px 8px 0 -1px rgba(244,81,30,.2),var(--sh-2)}
  .body-grid{grid-template-columns:1fr;gap:32px}
  .side-nav{position:static}
  .faq-grid{grid-template-columns:1fr;gap:28px}
  .faq-sticky{position:static}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .steps{grid-template-columns:1fr 1fr}
  .data-band{padding:32px}
}
@media (max-width:767px){
  .wrap{padding:0 16px}
  .section{padding:32px 0}
  .block{margin-top:56px}
  .sec-title{font-size:22px}
  .head-title{font-size:30px}
  .head-sub{font-size:15.5px}
  .row-card{grid-template-columns:1fr;padding:14px}
  .row-cover{aspect-ratio:16/10}
  .steps{grid-template-columns:1fr}
  .data-band{grid-template-columns:1fr;gap:20px;padding:28px 24px}
  .data-cell{border-left:0;border-left:2px solid rgba(201,242,77,.5);padding-left:16px}
  .cta-bar{flex-direction:column;align-items:flex-start;padding:28px 24px}
  .cta-title{font-size:20px}
  .cta-actions{width:100%}
  .cta-actions .btn{flex:1 1 140px}
  .track-card{flex:0 0 240px}
  .site-footer{padding:48px 0 28px}
  .footer-grid{grid-template-columns:1fr 1fr}
  .footer-brand{margin-bottom:12px}
}
@media (max-width:519px){
  .nav-inner{height:56px}
  .logo-main{font-size:16px}
  .head-badges{gap:8px}
  .footer-grid{grid-template-columns:1fr}
  .track-head{align-items:flex-start}
}