/* roulang page: index */
:root{
  --brand-600:#6D3BF5;
  --brand-700:#5528D8;
  --brand-300:#9A5BFF;
  --brand-050:#F1ECFE;
  --accent-500:#17D6A3;
  --accent-050:#E6FBF5;
  --highlight:#FFB020;
  --highlight-050:#FFF4E0;
  --ink-900:#14102B;
  --ink-700:#35305A;
  --ink-600:#5A5578;
  --bg-page:#FBFAFF;
  --bg-soft:#F4F2FC;
  --bg-deep:#14102B;
  --line:#E6E3F0;
  --line-strong:#D6D1E8;
  --grad-brand:linear-gradient(120deg,#6D3BF5 0%,#9A5BFF 45%,#17D6A3 100%);
  --grad-deep:linear-gradient(160deg,#241A55 0%,#14102B 100%);
  --r-sm:10px;
  --r-md:16px;
  --r-lg:24px;
  --r-xl:32px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(20,16,43,.06);
  --sh-2:0 10px 30px -12px rgba(20,16,43,.18);
  --sh-3:0 24px 48px -20px rgba(109,59,245,.35);
  --ease:180ms cubic-bezier(.2,.6,.2,1);
  --s-1:4px; --s-2:8px; --s-3:12px; --s-4:16px; --s-5:24px; --s-6:32px; --s-7:48px; --s-8:64px; --s-9:96px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC","Source Han Sans SC",sans-serif;
  font-size:1rem;
  line-height:1.9;
  color:var(--ink-600);
  background:var(--bg-page);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color var(--ease)}
a:hover{color:var(--brand-700)}
h1,h2,h3,h4{margin:0;color:var(--ink-900);font-weight:700;letter-spacing:-.01em}
p{margin:0 0 1rem}
p:last-child{margin-bottom:0}
ul{margin:0;padding:0;list-style:none}
button{font-family:inherit;font-size:inherit;cursor:pointer;border:0;background:none;color:inherit}
:focus-visible{outline:2px solid var(--brand-600);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:1200px;margin:0 auto;padding-left:24px;padding-right:24px}
@media (min-width:1440px){.container{max-width:1280px}}

/* ============ 顶部提示条 ============ */
.topbar{background:var(--brand-050);border-bottom:1px solid var(--line)}
.topbar__inner{display:flex;align-items:center;justify-content:center;gap:10px;padding:10px 44px 10px 0;position:relative;font-size:.875rem;color:var(--brand-700)}
.topbar__dot{width:8px;height:8px;border-radius:50%;background:var(--accent-500);flex:0 0 auto}
.topbar__close{position:absolute;right:0;top:50%;transform:translateY(-50%);width:32px;height:32px;border-radius:var(--r-sm);color:var(--brand-700);display:flex;align-items:center;justify-content:center;transition:background var(--ease)}
.topbar__close:hover{background:rgba(109,59,245,.12)}
.topbar.is-hidden{display:none}

/* ============ 导航 ============ */
.site-header{position:sticky;top:0;z-index:1030;background:rgba(251,250,255,.94);border-bottom:1px solid var(--line);transition:box-shadow var(--ease),background var(--ease)}
.site-header.is-scrolled{box-shadow:var(--sh-2)}
.nav-top{display:flex;align-items:center;justify-content:space-between;gap:20px;height:72px}
.brand{display:flex;align-items:center;gap:12px;min-width:0}
.brand__mark{width:36px;height:36px;border-radius:12px;background:var(--grad-brand);display:flex;align-items:center;justify-content:center;color:#fff;font-weight:700;font-size:1rem;box-shadow:var(--sh-2);flex:0 0 auto}
.brand__text{font-size:1.0625rem;font-weight:700;color:var(--ink-900);white-space:nowrap}
.brand__text span{color:var(--brand-600)}
.nav-actions{display:flex;align-items:center;gap:12px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;padding:0 22px;border-radius:var(--r-md);font-size:.9375rem;font-weight:600;transition:transform var(--ease),box-shadow var(--ease),background var(--ease),color var(--ease),border-color var(--ease);border:1px solid transparent;white-space:nowrap}
.btn:hover{transform:translateY(-2px)}
.btn-primary-g{background:var(--grad-brand);color:#fff;box-shadow:var(--sh-3)}
.btn-primary-g:hover{color:#fff;box-shadow:0 22px 40px -18px rgba(109,59,245,.55)}
.btn-outline{background:#fff;color:var(--ink-900);border-color:var(--line-strong);box-shadow:var(--sh-1)}
.btn-outline:hover{color:var(--brand-700);border-color:var(--brand-300)}
.btn-ghost-light{background:rgba(255,255,255,.08);color:#fff;border-color:rgba(255,255,255,.36)}
.btn-ghost-light:hover{color:#fff;background:rgba(255,255,255,.16)}
.nav-burger{display:none;width:44px;height:44px;border-radius:var(--r-md);border:1px solid var(--line);background:#fff;align-items:center;justify-content:center}
.nav-burger span{display:block;width:18px;height:2px;background:var(--ink-900);border-radius:2px;position:relative}
.nav-burger span::before,.nav-burger span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink-900);border-radius:2px}
.nav-burger span::before{top:-6px}
.nav-burger span::after{top:6px}
.nav-chips{display:flex;align-items:center;gap:8px;padding:0 0 14px;overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none}
.nav-chips::-webkit-scrollbar{display:none}
.chip{display:inline-flex;align-items:center;min-height:40px;padding:8px 20px;border-radius:var(--r-pill);background:#fff;border:1px solid var(--line);color:var(--ink-700);font-size:.875rem;font-weight:500;white-space:nowrap;transition:all var(--ease)}
.chip:hover{background:var(--brand-050);color:var(--brand-700);border-color:var(--brand-050)}
.chip.active{background:var(--grad-brand);color:#fff;border-color:transparent;box-shadow:var(--sh-2)}
.chip.active:hover{color:#fff}
.nav-drawer{display:none;border-top:1px solid var(--line);background:#fff;padding:16px 0 20px}
.nav-drawer.is-open{display:block}
.nav-drawer__list{display:flex;flex-direction:column;gap:8px}
.nav-drawer__list .chip{width:100%;justify-content:flex-start;border-radius:var(--r-md)}
@media (max-width:991px){
  .nav-chips{display:none}
  .nav-burger{display:flex}
  .nav-top{height:64px}
  .nav-actions .btn-primary-g{display:none}
}

/* ============ Hero ============ */
.hero{
  position:relative;
  padding:56px 0 64px;
  background-color:var(--bg-soft);
  background-image:
    radial-gradient(660px 320px at 90% 6%, rgba(109,59,245,.18), transparent 70%),
    radial-gradient(520px 280px at 2% 96%, rgba(23,214,163,.13), transparent 72%),
    linear-gradient(rgba(20,16,43,.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(20,16,43,.05) 1px, transparent 1px);
  background-size:auto,auto,6px 6px,6px 6px;
  border-bottom:1px solid var(--line);
}
.hero__grid{display:grid;grid-template-columns:7fr 5fr;gap:48px;align-items:center}
.hero__tag{display:inline-flex;align-items:center;gap:8px;padding:6px 16px;border-radius:var(--r-pill);background:#fff;border:1px solid var(--line);color:var(--brand-700);font-size:.8125rem;font-weight:500;box-shadow:var(--sh-1)}
.hero__tag i{width:6px;height:6px;border-radius:50%;background:var(--accent-500);display:block}
.hero h1{
  font-size:clamp(2.25rem,5vw,3.5rem);
  line-height:1.25;
  font-weight:700;
  margin:20px 0 16px;
}
.hero__sub{font-size:1.0625rem;color:var(--ink-700);font-weight:500;line-height:1.7}
.hero__lead{font-size:1rem;color:var(--ink-600);max-width:600px;margin-top:12px}
.hero__btns{display:flex;gap:14px;margin-top:28px;flex-wrap:wrap}
.hero__badges{display:flex;gap:16px;margin-top:32px;flex-wrap:wrap}
.badge-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:14px 18px;box-shadow:var(--sh-1);min-width:132px;transition:box-shadow var(--ease),transform var(--ease)}
.badge-card:hover{box-shadow:var(--sh-2);transform:translateY(-2px)}
.badge-card__num{font-size:1.75rem;font-weight:700;color:var(--brand-600);font-variant-numeric:tabular-nums;line-height:1.2}
.badge-card__num.is-accent{color:var(--accent-500)}
.badge-card__num.is-warn{color:#D98A00}
.badge-card__label{font-size:.8125rem;color:var(--ink-600);margin-top:2px}
.hero__media{position:relative}
.hero__media img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--r-xl);box-shadow:var(--sh-2);border:1px solid var(--line)}
.float-badge{position:absolute;background:#fff;border:1px solid var(--line);border-radius:var(--r-md);box-shadow:var(--sh-2);padding:12px 16px;min-width:120px}
.float-badge--tr{top:-18px;right:-14px}
.float-badge--bl{bottom:-18px;left:-14px}
.float-badge__num{font-size:1.25rem;font-weight:700;color:var(--brand-600);font-variant-numeric:tabular-nums}
.float-badge__label{font-size:.75rem;color:var(--ink-600)}
@media (max-width:991px){
  .hero__grid{grid-template-columns:1fr;gap:36px}
  .hero{padding:40px 0 52px}
  .hero__btns .btn{width:100%}
  .float-badge--tr{top:-12px;right:8px}
  .float-badge--bl{bottom:-12px;left:8px}
}
@media (max-width:575px){
  .hero__badges{display:grid;grid-template-columns:1fr 1fr;gap:12px}
  .badge-card{min-width:0;padding:12px 14px}
  .badge-card__num{font-size:1.375rem}
}

/* ============ 通栏徽章带 ============ */
.badge-strip{padding:32px 0 0}
.badge-strip__grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.badge-strip .badge-card{text-align:center}
@media (max-width:767px){.badge-strip__grid{grid-template-columns:1fr 1fr}}

/* ============ 通用板块 ============ */
.section{padding:88px 0}
.section--tight{padding:64px 0}
.section--soft{background:var(--bg-soft)}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px;flex-wrap:wrap}
.sec-head__left{max-width:720px}
.sec-mark{width:44px;height:12px;border-radius:4px;background:var(--grad-brand);margin-bottom:14px}
.sec-head h2{font-size:clamp(1.5rem,2.4vw,2rem);line-height:1.35}
.sec-head__desc{font-size:.875rem;color:var(--ink-600);margin-top:8px}
.sec-link{font-size:.875rem;font-weight:600;color:var(--brand-700);display:inline-flex;align-items:center;gap:6px}
.sec-link::after{content:"→";transition:transform var(--ease)}
.sec-link:hover::after{transform:translateX(4px)}

/* ============ 主题封面区 ============ */
.cover-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:24px}
.cover-card{position:relative;border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--line);box-shadow:var(--sh-1);height:320px;display:block;transition:box-shadow var(--ease),transform var(--ease)}
.cover-card:hover{box-shadow:var(--sh-2);transform:translateY(-4px)}
.cover-card img{width:100%;height:100%;object-fit:cover;transition:transform var(--ease)}
.cover-card:hover img{transform:scale(1.04)}
.cover-card__veil{position:absolute;inset:0;background:linear-gradient(180deg,rgba(20,16,43,.05) 0%,rgba(20,16,43,.72) 100%)}
.cover-card__body{position:absolute;inset:0;padding:24px;display:flex;flex-direction:column;justify-content:space-between;color:#fff}
.cover-card__body h3{color:#fff}
.cover-card__title--lg{font-size:1.25rem}
.cover-card__title--sm{font-size:1.0625rem}
.cover-card__foot{display:flex;align-items:center;justify-content:space-between;font-size:.8125rem;color:rgba(255,255,255,.88)}
.cover-card__foot span:last-child{font-weight:600;color:#fff}
.cover-card__txt{font-size:.875rem;color:rgba(255,255,255,.86);margin-top:8px;line-height:1.7}
.cover-lg{grid-column:span 6}
.cover-sm{grid-column:span 3}
@media (max-width:991px){
  .cover-lg{grid-column:span 12}
  .cover-sm{grid-column:span 6}
}
@media (max-width:575px){
  .cover-sm{grid-column:span 12}
  .cover-card{height:280px}
}
.chip-on-img{display:inline-flex;align-items:center;padding:5px 14px;border-radius:var(--r-pill);background:rgba(255,255,255,.92);color:var(--brand-700);font-size:.75rem;font-weight:600;width:fit-content}

/* ============ 合集目录 ============ */
.toc-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px 24px}
.toc-item{display:flex;gap:16px;align-items:flex-start;padding:16px 18px;border-radius:var(--r-md);position:relative;transition:background var(--ease)}
.toc-item:hover{background:var(--brand-050)}
.toc-item::before{content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;border-radius:3px;background:var(--grad-brand);opacity:0;transition:opacity var(--ease)}
.toc-item:hover::before{opacity:1}
.toc-item__num{width:28px;height:28px;border-radius:50%;background:var(--brand-050);color:var(--brand-700);font-size:.8125rem;font-weight:700;display:flex;align-items:center;justify-content:center;flex:0 0 auto;font-variant-numeric:tabular-nums}
.toc-item:hover .toc-item__num{background:#fff}
.toc-item__title{font-size:.9375rem;font-weight:600;color:var(--ink-900)}
.toc-item__desc{font-size:.8125rem;color:var(--ink-600);margin-top:2px}
@media (max-width:767px){.toc-grid{grid-template-columns:1fr}}

/* ============ 内容卡片 ============ */
.card-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:24px}
.post-card{position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--sh-1);overflow:hidden;display:flex;flex-direction:column;height:100%;transition:box-shadow var(--ease),transform var(--ease)}
.post-card:hover{box-shadow:var(--sh-2);transform:translateY(-4px)}
.post-card__media{position:relative;overflow:hidden}
.post-card__media img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform var(--ease)}
.post-card:hover .post-card__media img{transform:scale(1.04)}
.post-card__cat{position:absolute;top:12px;left:12px;display:inline-flex;padding:4px 12px;border-radius:var(--r-pill);background:rgba(241,236,254,.95);color:var(--brand-700);font-size:.75rem;font-weight:600}
.post-card__body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.post-card__title{font-size:1.0625rem;font-weight:600;color:var(--ink-900);line-height:1.55;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.post-card:hover .post-card__title{color:var(--brand-700)}
.post-card__desc{font-size:.875rem;color:var(--ink-600);line-height:1.8;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.post-card__foot{margin-top:auto;padding-top:14px;border-top:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:.8125rem;color:var(--ink-600)}
.post-card__foot time{font-variant-numeric:tabular-nums}
.post-card__go{width:36px;height:36px;border-radius:50%;border:1px solid var(--line);display:flex;align-items:center;justify-content:center;color:var(--brand-700);font-size:.875rem;transition:all var(--ease);flex:0 0 auto}
.post-card:hover .post-card__go{background:var(--grad-brand);color:#fff;border-color:transparent}
.post-card__link{position:absolute;inset:0;z-index:2}
.col-8{grid-column:span 8}
.col-4{grid-column:span 4}
.col-6{grid-column:span 6}
.col-3{grid-column:span 3}
.post-card--wide .post-card__media img{aspect-ratio:21/9}
@media (max-width:991px){
  .col-8,.col-6,.col-4{grid-column:span 12}
  .col-3{grid-column:span 6}
  .post-card--wide .post-card__media img{aspect-ratio:16/9}
}
@media (max-width:575px){.col-3{grid-column:span 12}}

/* ============ 动态空态 ============ */
.empty-state{text-align:center;padding:56px 24px;background:#fff;border:1px dashed var(--line-strong);border-radius:var(--r-lg)}
.empty-state__icon{width:56px;height:56px;margin:0 auto 16px;border-radius:var(--r-md);background:var(--brand-050);display:flex;align-items:center;justify-content:center;color:var(--brand-600);font-size:1.5rem;font-weight:700}
.empty-state p{font-size:.9375rem;color:var(--ink-600)}
.empty-state a{font-size:.875rem;font-weight:600;color:var(--brand-700)}

/* ============ CTA 深色区块 ============ */
.cta-wrap{padding:24px 0 88px}
.cta-box{position:relative;overflow:hidden;border-radius:var(--r-xl);background:var(--grad-deep);padding:48px;color:#fff}
.cta-box::after{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.07) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.07) 1px,transparent 1px);background-size:28px 28px;pointer-events:none}
.cta-box__inner{position:relative;z-index:2;display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap}
.cta-box h2{color:#fff;font-size:clamp(1.375rem,2.2vw,1.75rem)}
.cta-box p{color:rgba(255,255,255,.78);font-size:.9375rem;margin-top:10px;max-width:560px}
.cta-box__btns{display:flex;gap:14px;flex-wrap:wrap}
.cta-box__badges{position:relative;z-index:2;display:flex;gap:16px;margin-top:32px;flex-wrap:wrap}
.cta-badge{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.22);border-radius:var(--r-md);padding:12px 18px}
.cta-badge__num{font-size:1.25rem;font-weight:700;color:#fff;font-variant-numeric:tabular-nums}
.cta-badge__label{font-size:.75rem;color:rgba(255,255,255,.72)}
@media (max-width:767px){.cta-box{padding:32px 24px}}

/* ============ FAQ ============ */
.faq-list{display:flex;flex-direction:column;gap:12px;max-width:900px}
.faq-item{background:var(--bg-soft);border-radius:20px;overflow:hidden;transition:background var(--ease),box-shadow var(--ease)}
.faq-item[open]{background:#fff;box-shadow:var(--sh-1);border-left:3px solid var(--brand-600)}
.faq-item summary{list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:20px 24px;font-size:1rem;font-weight:600;color:var(--ink-900)}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"";width:9px;height:9px;border-right:2px solid var(--brand-600);border-bottom:2px solid var(--brand-600);transform:rotate(45deg);transition:transform var(--ease);flex:0 0 auto;margin-top:-4px}
.faq-item[open] summary::after{transform:rotate(-135deg);margin-top:4px}
.faq-item__body{padding:0 24px 22px;font-size:.9375rem;line-height:1.8;color:var(--ink-600)}

/* ============ 表单 ============ */
.subscribe{background:#fff;border:1px solid var(--line);border-radius:var(--r-xl);padding:32px;box-shadow:var(--sh-1);display:grid;grid-template-columns:1fr 1fr;gap:32px;align-items:center}
.subscribe h3{font-size:1.25rem}
.subscribe p{font-size:.875rem;margin-top:8px}
.form-row{display:flex;gap:12px}
.form-label{display:block;font-size:.8125rem;font-weight:500;color:var(--ink-700);margin-bottom:8px}
.form-input{width:100%;height:48px;border-radius:var(--r-md);border:1px solid var(--line);background:#fff;padding:0 16px;font-size:.9375rem;color:var(--ink-900);transition:border-color var(--ease),box-shadow var(--ease)}
.form-input::placeholder{color:#9C97B3}
.form-input:focus{outline:none;border-color:var(--brand-600);box-shadow:0 0 0 4px var(--brand-050)}
.form-note{font-size:.75rem;color:var(--ink-600);margin-top:10px}
@media (max-width:767px){.subscribe{grid-template-columns:1fr;padding:24px}.form-row{flex-direction:column}}

/* ============ 页脚 ============ */
.site-footer{background:var(--bg-deep);color:rgba(255,255,255,.72);padding:64px 0 0}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:40px}
.site-footer .brand__text{color:#fff}
.site-footer h4{color:#fff;font-size:.9375rem;font-weight:600;margin-bottom:16px}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a{color:rgba(255,255,255,.7);font-size:.875rem}
.footer-links a:hover{color:var(--accent-500);text-decoration:underline}
.footer-about{font-size:.875rem;line-height:1.8;color:rgba(255,255,255,.66);margin-top:16px;max-width:320px}
.footer-badges{display:flex;gap:10px;margin-top:20px;flex-wrap:wrap}
.footer-badge{font-size:.75rem;padding:6px 12px;border-radius:var(--r-pill);border:1px solid rgba(255,255,255,.22);color:rgba(255,255,255,.8);font-variant-numeric:tabular-nums}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);padding:20px 0;display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;font-size:.8125rem;color:rgba(255,255,255,.6)}
.to-top{width:40px;height:40px;border-radius:var(--r-md);border:1px solid rgba(255,255,255,.24);color:#fff;display:flex;align-items:center;justify-content:center;transition:background var(--ease)}
.to-top:hover{background:rgba(255,255,255,.14);color:#fff}
@media (max-width:991px){.footer-grid{grid-template-columns:1fr 1fr;gap:32px}}
@media (max-width:575px){.footer-grid{grid-template-columns:1fr}}

@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important}
  .post-card:hover,.cover-card:hover,.btn:hover{transform:none}
  .post-card:hover .post-card__media img,.cover-card:hover img{transform:none}
}

/* roulang page: article */
:root{
  --brand-600:#6D3BF5; --brand-700:#5528D8; --brand-300:#9A5BFF; --brand-050:#F1ECFE;
  --accent-500:#17D6A3; --accent-050:#E6FBF5;
  --highlight:#FFB020; --highlight-050:#FFF4E0;
  --ink-900:#14102B; --ink-700:#35305A; --ink-600:#5A5578;
  --bg-page:#FBFAFF; --bg-soft:#F4F2FC; --bg-deep:#14102B;
  --line:#E6E3F0; --line-strong:#D6D1E8;
  --grad-brand:linear-gradient(120deg,#6D3BF5 0%,#9A5BFF 45%,#17D6A3 100%);
  --grad-deep:linear-gradient(160deg,#241A55 0%,#14102B 100%);
  --r-sm:10px; --r-md:16px; --r-lg:24px; --r-xl:32px; --r-pill:999px;
  --sh-1:0 1px 2px rgba(20,16,43,.06);
  --sh-2:0 10px 30px -12px rgba(20,16,43,.18);
  --sh-3:0 24px 48px -20px rgba(109,59,245,.35);
  --ease:180ms cubic-bezier(.2,.6,.2,1);
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0; background:var(--bg-page); color:var(--ink-600);
  font-family:-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC","Source Han Sans SC",sans-serif;
  font-size:1rem; line-height:1.9; font-weight:400;
}
img{max-width:100%; display:block}
a{color:var(--brand-700); text-decoration:none; transition:color var(--ease),background var(--ease),border-color var(--ease),transform var(--ease)}
a:hover{color:var(--brand-600)}
button,input{font-family:inherit; font-size:1rem}
h1,h2,h3,h4{color:var(--ink-900); margin:0; font-weight:700; letter-spacing:-.01em}
p{margin:0}
ul,ol{margin:0; padding:0; list-style:none}
:focus-visible{outline:2px solid var(--brand-600); outline-offset:2px; border-radius:6px}

.container{width:100%; max-width:1200px; margin:0 auto; padding:0 20px}
@media (min-width:1440px){.container{max-width:1280px}}

/* ---------- 顶部品牌层 ---------- */
.site-top{background:rgba(251,250,255,.94); position:sticky; top:0; z-index:60; backdrop-filter:blur(10px); border-bottom:1px solid var(--line); transition:box-shadow var(--ease)}
.site-top.is-stuck{box-shadow:var(--sh-2)}
.nav-bar{display:flex; align-items:center; gap:16px; min-height:68px; padding:10px 0}
.brand{display:inline-flex; align-items:center; gap:10px; flex:none}
.brand__mark{
  width:36px; height:36px; border-radius:12px; background:var(--grad-brand);
  color:#fff; font-weight:700; font-size:1.0625rem; display:grid; place-items:center;
  box-shadow:var(--sh-3); flex:none;
}
.brand__text{font-size:1.0625rem; font-weight:700; color:var(--ink-900); white-space:nowrap}
.brand:hover .brand__text{color:var(--brand-700)}
.nav-search{flex:1; max-width:320px; position:relative; display:none}
.nav-search input{
  width:100%; height:44px; border-radius:var(--r-pill); border:1px solid var(--line);
  background:#fff; padding:0 16px 0 42px; color:var(--ink-700);
}
.nav-search i{position:absolute; left:16px; top:50%; transform:translateY(-50%); color:var(--ink-600); font-size:.875rem}
.nav-search input:focus{outline:none; border-color:var(--brand-600); box-shadow:0 0 0 4px var(--brand-050)}
.nav-actions{margin-left:auto; display:flex; align-items:center; gap:10px}
.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:8px;
  height:44px; padding:0 22px; border-radius:var(--r-md); font-weight:600; font-size:.9375rem;
  border:1px solid transparent; cursor:pointer; white-space:nowrap; transition:transform var(--ease),box-shadow var(--ease),background var(--ease),color var(--ease),border-color var(--ease);
}
.btn:hover{transform:translateY(-2px)}
.btn-primary{background:var(--grad-brand); color:#fff; box-shadow:var(--sh-3)}
.btn-primary:hover{color:#fff; box-shadow:0 28px 52px -20px rgba(109,59,245,.5)}
.btn-ghost{background:#fff; color:var(--ink-700); border-color:var(--line-strong); box-shadow:var(--sh-1)}
.btn-ghost:hover{color:var(--brand-700); border-color:var(--brand-300); background:var(--brand-050)}
.btn-light{background:#fff; color:var(--ink-900); border-color:transparent}
.btn-light:hover{color:var(--brand-700)}
.btn-outline-light{background:transparent; color:#fff; border-color:rgba(255,255,255,.55)}
.btn-outline-light:hover{color:#14102B; background:#fff}
.btn-sm{height:38px; padding:0 16px; font-size:.875rem; border-radius:var(--r-sm)}
.nav-toggle{display:none; width:44px; height:44px; border-radius:var(--r-sm); border:1px solid var(--line); background:#fff; color:var(--ink-900); cursor:pointer}

/* ---------- 分段标签导航 ---------- */
.nav-strip{border-top:1px solid var(--line); background:#fff}
.nav-chips{display:flex; align-items:center; gap:8px; padding:12px 0; overflow-x:auto; scrollbar-width:none}
.nav-chips::-webkit-scrollbar{display:none}
.chip{
  flex:none; display:inline-flex; align-items:center; height:42px; padding:0 20px; border-radius:var(--r-pill);
  background:#fff; border:1px solid var(--line); color:var(--ink-700); font-size:.9375rem; font-weight:500;
}
.chip:hover{background:var(--brand-050); color:var(--brand-700); border-color:var(--brand-300)}
.chip.active{background:var(--grad-brand); color:#fff; border-color:transparent; box-shadow:var(--sh-2); font-weight:600}

/* ---------- 面包屑 ---------- */
.crumb-wrap{padding:28px 0 0}
.crumb{display:flex; flex-wrap:wrap; align-items:center; gap:8px; font-size:.8125rem; color:var(--ink-600)}
.crumb a{color:var(--ink-600)}
.crumb a:hover{color:var(--brand-700)}
.crumb .sep{color:var(--line-strong)}
.crumb .current{color:var(--ink-900); font-weight:500}

/* ---------- 文章标题区 ---------- */
.article-head{padding:20px 0 32px; border-bottom:1px solid var(--line)}
.article-cat{
  display:inline-flex; align-items:center; gap:8px; height:32px; padding:0 14px; border-radius:var(--r-pill);
  background:var(--brand-050); color:var(--brand-700); font-size:.8125rem; font-weight:600; margin-bottom:18px;
}
.article-title{
  font-size:clamp(1.875rem,3.6vw,2.75rem); line-height:1.3; color:var(--ink-900); margin-bottom:18px;
  max-width:920px;
}
.article-meta{display:flex; flex-wrap:wrap; align-items:center; gap:10px 22px; font-size:.8125rem; color:var(--ink-600)}
.article-meta span{display:inline-flex; align-items:center; gap:7px}
.article-meta i{color:var(--brand-600)}

/* ---------- 封面 ---------- */
.cover-block{padding:32px 0 0}
.cover-frame{border-radius:var(--r-xl); overflow:hidden; border:1px solid var(--line); box-shadow:var(--sh-2); background:var(--bg-soft)}
.cover-frame img{width:100%; aspect-ratio:21/9; object-fit:cover}
.cover-cap{margin-top:12px; text-align:center; font-size:.8125rem; color:var(--ink-600)}

/* ---------- 正文 ---------- */
.article-main{padding:44px 0 8px}
.article-body{max-width:760px; margin:0 auto; color:var(--ink-600); font-size:1.0625rem; line-height:1.9}
.article-body p{margin:0 0 22px}
.article-body > p:first-child{color:var(--ink-700)}
.article-body h2{
  font-size:clamp(1.375rem,2.2vw,1.75rem); line-height:1.4; margin:40px 0 16px;
  padding-left:16px; border-left:4px solid var(--brand-600);
}
.article-body h3{font-size:1.25rem; margin:28px 0 12px; color:var(--ink-900)}
.article-body h4{font-size:1.0625rem; margin:22px 0 10px; color:var(--ink-900)}
.article-body ul{margin:0 0 22px; padding-left:0}
.article-body ul li{position:relative; padding-left:22px; margin-bottom:10px}
.article-body ul li::before{
  content:""; position:absolute; left:4px; top:.75em; width:8px; height:8px; border-radius:50%;
  background:var(--grad-brand);
}
.article-body ol{counter-reset:item; margin:0 0 22px; padding-left:0}
.article-body ol li{position:relative; padding-left:34px; margin-bottom:12px; counter-increment:item}
.article-body ol li::before{
  content:counter(item); position:absolute; left:0; top:.35em; width:24px; height:24px; border-radius:50%;
  background:var(--brand-050); color:var(--brand-700); font-size:.8125rem; font-weight:700;
  display:grid; place-items:center; font-variant-numeric:tabular-nums;
}
.article-body blockquote{
  margin:26px 0; padding:18px 22px; background:var(--brand-050); border-left:4px solid var(--brand-600);
  border-radius:var(--r-md); color:var(--ink-700);
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:var(--r-lg); margin:24px 0 8px; border:1px solid var(--line)}
.article-body a{color:var(--brand-700); text-decoration:underline; text-underline-offset:3px}
.article-body a:hover{color:var(--brand-600)}
.article-body figure{margin:26px 0}
.article-body figcaption{margin-top:8px; text-align:center; font-size:.8125rem; color:var(--ink-600)}
.article-body table{
  width:100%; margin:26px 0; border-collapse:separate; border-spacing:0;
  border:1px solid var(--line); border-radius:var(--r-lg); overflow:hidden; font-size:.9375rem;
}
.article-body thead th{background:var(--brand-050); color:var(--ink-900); font-weight:600; text-align:left}
.article-body th,.article-body td{padding:12px 16px; border-bottom:1px solid var(--line)}
.article-body tbody tr:nth-child(even){background:var(--bg-soft)}
.article-body tbody tr:last-child td{border-bottom:0}
.article-body pre{
  background:var(--bg-deep); color:#EDEAF7; border-radius:var(--r-md); padding:18px 20px;
  overflow-x:auto; font-size:.875rem; line-height:1.8; margin:24px 0;
}
.article-body code{background:var(--bg-soft); color:var(--brand-700); padding:2px 6px; border-radius:6px; font-size:.875em}
.article-body pre code{background:transparent; color:inherit; padding:0}
.article-body hr{border:0; border-top:1px solid var(--line); margin:36px 0}

/* ---------- 空态 ---------- */
.empty-state{
  max-width:760px; margin:0 auto; text-align:center; padding:56px 24px; background:#fff;
  border:1px solid var(--line); border-radius:var(--r-lg); box-shadow:var(--sh-1);
}
.empty-state .empty-icon{
  width:56px; height:56px; margin:0 auto 16px; border-radius:var(--r-md); background:var(--brand-050);
  color:var(--brand-700); display:grid; place-items:center; font-size:1.25rem;
}
.empty-state h2{font-size:1.25rem; margin-bottom:8px}
.empty-state p{margin-bottom:18px; color:var(--ink-600); font-size:.9375rem}

/* ---------- 标签与操作条 ---------- */
.footer-bar{
  max-width:760px; margin:32px auto 0; padding:24px 0 0; border-top:1px solid var(--line);
  display:flex; flex-wrap:wrap; gap:18px; align-items:center; justify-content:space-between;
}
.tag-list{display:flex; flex-wrap:wrap; gap:10px}
.tag{
  display:inline-flex; align-items:center; height:32px; padding:0 14px; border-radius:var(--r-pill);
  background:var(--accent-050); border:1px solid var(--accent-500); color:#0C7A5C;
  font-size:.8125rem; font-weight:500; transition:all var(--ease);
}
.tag:hover{background:var(--accent-500); color:#062E23; border-color:var(--accent-500)}
.act-group{display:flex; gap:10px; flex-wrap:wrap}

/* ---------- 板块通用 ---------- */
.section{padding:88px 0}
.section--tight{padding:64px 0}
.section--soft{background:var(--bg-soft); position:relative; overflow:hidden}
.section--soft::after{
  content:""; position:absolute; right:-80px; top:-80px; width:320px; height:320px; border-radius:50%;
  background:radial-gradient(circle,rgba(109,59,245,.18),transparent 68%); pointer-events:none;
}
.section-head{margin-bottom:36px; display:flex; flex-wrap:wrap; gap:16px; align-items:flex-end; justify-content:space-between}
.section-head__main{max-width:720px}
.eyebrow{display:flex; align-items:center; gap:10px; margin-bottom:12px}
.eyebrow::before{content:""; width:12px; height:12px; border-radius:4px; background:var(--grad-brand)}
.eyebrow span{font-size:.8125rem; font-weight:600; letter-spacing:.08em; color:var(--brand-700)}
.section-title{font-size:clamp(1.5rem,2.4vw,2rem); line-height:1.35}
.section-desc{margin-top:10px; font-size:.875rem; color:var(--ink-600); line-height:1.85}
.link-more{font-size:.875rem; font-weight:600; color:var(--brand-700); display:inline-flex; align-items:center; gap:6px}
.link-more:hover{gap:10px}

/* ---------- 内容卡片 ---------- */
.card{
  height:100%; background:#fff; border:1px solid var(--line); border-radius:var(--r-lg);
  box-shadow:var(--sh-1); overflow:hidden; position:relative; display:flex; flex-direction:column;
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.card:hover{transform:translateY(-4px); box-shadow:var(--sh-2); border-color:var(--line-strong)}
.card__media{position:relative; overflow:hidden}
.card__media img{width:100%; aspect-ratio:16/9; object-fit:cover; transition:transform var(--ease)}
.card:hover .card__media img{transform:scale(1.04)}
.card__chip{
  position:absolute; left:12px; top:12px; height:28px; padding:0 12px; border-radius:var(--r-pill);
  background:rgba(255,255,255,.94); color:var(--brand-700); font-size:.75rem; font-weight:600;
  display:inline-flex; align-items:center; box-shadow:var(--sh-1);
}
.card__body{padding:20px 20px 18px; display:flex; flex-direction:column; flex:1}
.card__title{font-size:1.0625rem; font-weight:600; line-height:1.55; color:var(--ink-900); margin-bottom:10px}
.card:hover .card__title{color:var(--brand-700)}
.card__desc{font-size:.875rem; color:var(--ink-600); line-height:1.8; margin-bottom:18px}
.card__foot{margin-top:auto; display:flex; align-items:center; gap:14px; font-size:.8125rem; color:var(--ink-600)}
.card__foot .dot::before{content:"·"; margin-right:14px}
.card__arrow{
  margin-left:auto; width:34px; height:34px; border-radius:50%; display:grid; place-items:center;
  border:1px solid var(--line); color:var(--ink-700); transition:all var(--ease);
}
.card:hover .card__arrow{background:var(--grad-brand); color:#fff; border-color:transparent}
.card__link{position:absolute; inset:0; z-index:2; font-size:0; text-indent:-9999px}

/* ---------- 上一篇 / 下一篇 ---------- */
.pager{display:grid; grid-template-columns:1fr 1fr; gap:20px}
.pager-card{
  display:block; background:#fff; border:1px solid var(--line); border-radius:var(--r-lg);
  padding:22px; box-shadow:var(--sh-1); transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.pager-card:hover{transform:translateY(-4px); box-shadow:var(--sh-2); border-color:var(--brand-300)}
.pager-card span{display:block; font-size:.8125rem; color:var(--brand-700); font-weight:600; margin-bottom:8px}
.pager-card strong{display:block; color:var(--ink-900); font-size:.9375rem; font-weight:600; line-height:1.6}
.pager-card.next{text-align:right}

.back-line{padding:40px 0 0; text-align:center}
.back-line a{font-size:.9375rem; font-weight:600; color:var(--brand-700); display:inline-flex; align-items:center; gap:8px}
.back-line a:hover{gap:12px}

/* ---------- 深色 CTA ---------- */
.cta{
  border-radius:var(--r-xl); background:var(--grad-deep); color:#fff; padding:44px;
  position:relative; overflow:hidden; display:flex; flex-wrap:wrap; gap:26px; align-items:center; justify-content:space-between;
  box-shadow:var(--sh-2);
}
.cta::after{
  content:""; position:absolute; inset:0;
  background-image:linear-gradient(rgba(255,255,255,.08) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.08) 1px,transparent 1px);
  background-size:6px 6px; opacity:.5; pointer-events:none;
}
.cta__text{position:relative; z-index:1; max-width:560px}
.cta__text h2{color:#fff; font-size:clamp(1.375rem,2.2vw,1.75rem); margin-bottom:10px}
.cta__text p{color:rgba(255,255,255,.78); font-size:.9375rem}
.cta__act{position:relative; z-index:1; display:flex; gap:12px; flex-wrap:wrap}
.cta__badges{position:relative; z-index:1; display:flex; gap:12px; flex-wrap:wrap; width:100%; margin-top:6px}
.cta-badge{
  display:inline-flex; align-items:center; gap:10px; padding:10px 16px; border-radius:var(--r-md);
  background:rgba(255,255,255,.1); border:1px solid rgba(255,255,255,.18); font-size:.8125rem; color:#fff;
}
.cta-badge b{font-size:1.125rem; font-variant-numeric:tabular-nums}

/* ---------- FAQ ---------- */
.faq-item{background:var(--bg-soft); border-radius:20px; margin-bottom:12px; overflow:hidden; transition:background var(--ease),box-shadow var(--ease)}
.faq-item.is-open{background:#fff; box-shadow:var(--sh-1); border-left:3px solid var(--brand-600)}
.faq-q{
  width:100%; text-align:left; background:transparent; border:0; cursor:pointer;
  padding:20px 22px; font-size:1rem; font-weight:600; color:var(--ink-900);
  display:flex; align-items:center; gap:14px;
}
.faq-q .tri{
  margin-left:auto; width:0; height:0; border-left:6px solid transparent; border-right:6px solid transparent;
  border-top:8px solid var(--brand-600); transition:transform var(--ease); flex:none;
}
.faq-item.is-open .tri{transform:rotate(180deg)}
.faq-a{max-height:0; overflow:hidden; transition:max-height var(--ease)}
.faq-a p{padding:0 22px 20px; font-size:.9375rem; line-height:1.85; color:var(--ink-600)}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--bg-deep); color:rgba(255,255,255,.72); padding:64px 0 28px; margin-top:0}
.footer-grid{display:grid; grid-template-columns:1.4fr 1fr 1fr 1fr; gap:36px}
.site-footer h4{color:#fff; font-size:.9375rem; font-weight:600; margin-bottom:16px}
.site-footer .brand__text{color:#fff}
.site-footer .brand:hover .brand__text{color:var(--accent-500)}
.footer-about{margin-top:16px; font-size:.875rem; line-height:1.9; color:rgba(255,255,255,.62); max-width:320px}
.footer-badges{display:flex; gap:10px; flex-wrap:wrap; margin-top:16px}
.footer-badge{
  padding:6px 14px; border-radius:var(--r-pill); background:rgba(255,255,255,.08);
  border:1px solid rgba(255,255,255,.16); font-size:.75rem; color:rgba(255,255,255,.82);
  font-variant-numeric:tabular-nums;
}
.footer-links{display:flex; flex-direction:column; gap:12px}
.footer-links a{color:rgba(255,255,255,.66); font-size:.875rem}
.footer-links a:hover{color:var(--accent-500); text-decoration:underline}
.footer-bottom{
  margin-top:44px; padding-top:22px; border-top:1px solid rgba(255,255,255,.12);
  display:flex; flex-wrap:wrap; gap:16px; align-items:center; justify-content:space-between;
  font-size:.8125rem; color:rgba(255,255,255,.55);
}
.to-top{
  width:44px; height:44px; border-radius:var(--r-md); border:1px solid rgba(255,255,255,.2);
  background:rgba(255,255,255,.08); color:#fff; cursor:pointer; transition:all var(--ease);
}
.to-top:hover{background:var(--brand-600); border-color:transparent}

/* ---------- 响应式 ---------- */
@media (min-width:992px){.nav-search{display:block}}
@media (max-width:991px){
  .section{padding:72px 0}
  .footer-grid{grid-template-columns:1fr 1fr; gap:28px}
  .cta{padding:36px}
}
@media (max-width:767px){
  .nav-toggle{display:inline-flex; align-items:center; justify-content:center}
  .nav-search{display:none}
  .nav-actions .btn-primary{display:none}
  .article-title{font-size:1.75rem}
  .cover-frame img{aspect-ratio:16/9}
  .pager{grid-template-columns:1fr}
  .pager-card.next{text-align:left}
  .section{padding:56px 0}
  .section--tight{padding:48px 0}
  .article-body{font-size:1rem}
  .article-body table{display:block; overflow-x:auto; white-space:nowrap}
  .cta{padding:28px 22px; border-radius:var(--r-lg)}
  .cta__act{width:100%}
  .cta__act .btn{flex:1}
}
@media (max-width:520px){
  .container{padding:0 16px}
  .footer-grid{grid-template-columns:1fr}
  .brand__text{font-size:.9375rem}
  .footer-bar{flex-direction:column; align-items:flex-start}
  .act-group{width:100%}
  .act-group .btn{flex:1}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important; animation:none !important}
  .card:hover,.btn:hover,.pager-card:hover{transform:none}
  .card:hover .card__media img{transform:none}
}

/* roulang page: category1 */
:root{
  --brand-600:#6D3BF5;
  --brand-700:#5528D8;
  --brand-300:#9A5BFF;
  --brand-050:#F1ECFE;
  --accent-500:#17D6A3;
  --accent-050:#E6FBF5;
  --highlight:#FFB020;
  --highlight-050:#FFF4E0;
  --ink-900:#14102B;
  --ink-700:#35305A;
  --ink-600:#5A5578;
  --bg-page:#FBFAFF;
  --bg-soft:#F4F2FC;
  --bg-deep:#14102B;
  --line:#E6E3F0;
  --line-strong:#D6D1E8;
  --danger:#E5484D;
  --grad-brand:linear-gradient(120deg,#6D3BF5 0%,#9A5BFF 45%,#17D6A3 100%);
  --grad-deep:linear-gradient(160deg,#241A55 0%,#14102B 100%);
  --r-sm:10px;
  --r-md:16px;
  --r-lg:24px;
  --r-xl:32px;
  --sh-1:0 1px 2px rgba(20,16,43,.06);
  --sh-2:0 10px 30px -12px rgba(20,16,43,.18);
  --sh-3:0 24px 48px -20px rgba(109,59,245,.35);
  --t:180ms cubic-bezier(.2,.6,.2,1);
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC","Source Han Sans SC",sans-serif;
  font-size:16px;
  line-height:1.9;
  color:var(--ink-600);
  background:var(--bg-page);
  overflow-x:hidden;
}
img{max-width:100%;display:block;border:0}
a{color:var(--brand-700);text-decoration:none;transition:color var(--t)}
a:hover{color:var(--brand-600)}
h1,h2,h3,h4{color:var(--ink-900);margin:0;font-weight:700;line-height:1.35;letter-spacing:-.01em}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--brand-600);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
@media (min-width:1440px){.container{max-width:1280px}}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(251,250,255,.92);
  backdrop-filter:saturate(160%) blur(8px);
  border-bottom:1px solid var(--line);
  transition:box-shadow var(--t),background var(--t);
}
.site-header.is-stuck{box-shadow:var(--sh-2)}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:72px}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--ink-900)}
.brand:hover{color:var(--ink-900)}
.brand__mark{
  width:36px;height:36px;flex:0 0 36px;border-radius:12px;
  background:var(--grad-brand);color:#fff;
  display:flex;align-items:center;justify-content:center;
  font-size:16px;font-weight:700;box-shadow:var(--sh-2);
}
.brand__text{font-size:1.0625rem;font-weight:700;letter-spacing:.01em;white-space:nowrap}
.header-actions{display:flex;align-items:center;gap:10px}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 22px;border-radius:var(--r-md);
  font-size:.9375rem;font-weight:600;cursor:pointer;border:1px solid transparent;
  transition:transform var(--t),box-shadow var(--t),background var(--t),color var(--t),border-color var(--t);
}
.btn-grad{background:var(--grad-brand);color:#fff;box-shadow:var(--sh-3)}
.btn-grad:hover{color:#fff;transform:translateY(-2px)}
.btn-ghost{background:#fff;color:var(--ink-700);border-color:var(--line-strong)}
.btn-ghost:hover{background:var(--brand-050);color:var(--brand-700);border-color:var(--brand-300)}
.btn-light{background:#fff;color:var(--ink-900)}
.btn-light:hover{color:var(--brand-700);background:#fff}
.btn-outline-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.5)}
.btn-outline-light:hover{background:rgba(255,255,255,.12);color:#fff;border-color:#fff}
.btn-sm{min-height:40px;padding:0 18px;font-size:.875rem}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:var(--r-sm);
  background:#fff;border:1px solid var(--line-strong);color:var(--ink-700);
  font-size:18px;cursor:pointer;align-items:center;justify-content:center;
}
.nav-toggle:hover{background:var(--brand-050);color:var(--brand-700)}
.nav-wrap{padding-bottom:14px}
.nav-chips{display:flex;gap:8px;flex-wrap:wrap}
.chip{
  display:inline-flex;align-items:center;min-height:40px;padding:10px 20px;
  border-radius:999px;background:#fff;border:1px solid var(--line);
  color:var(--ink-700);font-size:.9375rem;font-weight:500;white-space:nowrap;
  transition:all var(--t);
}
.chip:hover{background:var(--brand-050);color:var(--brand-700);border-color:var(--brand-300)}
.chip.active{background:var(--grad-brand);color:#fff;border-color:transparent;box-shadow:var(--sh-2)}
.chip.active:hover{color:#fff}

/* ---------- 面包屑 ---------- */
.breadcrumb-bar{padding:22px 0 0}
.breadcrumb-list{display:flex;align-items:center;gap:10px;font-size:.8125rem;color:var(--ink-600);flex-wrap:wrap}
.breadcrumb-list a{color:var(--ink-600)}
.breadcrumb-list a:hover{color:var(--brand-700)}
.breadcrumb-list .sep{color:var(--line-strong)}
.breadcrumb-list .current{color:var(--ink-900);font-weight:500}

/* ---------- 分类 Hero ---------- */
.cat-hero{
  position:relative;margin-top:20px;padding:44px 0 40px;
  border-radius:var(--r-xl);background:var(--bg-soft);
  border:1px solid var(--line);overflow:hidden;
}
.cat-hero::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(var(--line) 1px,transparent 1px),linear-gradient(90deg,var(--line) 1px,transparent 1px);
  background-size:6px 6px;opacity:.5;
}
.cat-hero::after{
  content:"";position:absolute;top:-120px;right:-80px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(109,59,245,.18) 0%,rgba(109,59,245,0) 70%);
}
.cat-hero .hero-grid{position:relative;z-index:1;display:grid;grid-template-columns:minmax(0,1.55fr) minmax(0,1fr);gap:32px;align-items:center}
.hero-kicker{
  display:inline-flex;align-items:center;gap:8px;padding:7px 16px;border-radius:999px;
  background:#fff;border:1px solid var(--line-strong);color:var(--brand-700);
  font-size:.8125rem;font-weight:600;margin-bottom:18px;
}
.hero-kicker .dot{width:7px;height:7px;border-radius:50%;background:var(--accent-500)}
.cat-hero h1{font-size:clamp(1.875rem,3.6vw,2.75rem);margin-bottom:14px}
.cat-hero .hero-sub{max-width:620px;font-size:1rem;color:var(--ink-700);line-height:1.85}
.hero-rule{height:3px;width:72px;border-radius:999px;background:var(--grad-brand);margin:22px 0 0}
.hero-badges{display:flex;flex-wrap:wrap;gap:14px;justify-content:flex-end}
.badge-box{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  padding:16px 20px;min-width:140px;box-shadow:var(--sh-1);transition:box-shadow var(--t),transform var(--t);
}
.badge-box:hover{box-shadow:var(--sh-2);transform:translateY(-3px)}
.badge-box .num{font-size:1.75rem;font-weight:700;color:var(--brand-600);font-variant-numeric:tabular-nums;line-height:1.2}
.badge-box .num.green{color:var(--accent-500)}
.badge-box .num.amber{color:var(--highlight)}
.badge-box .label{font-size:.8125rem;color:var(--ink-600);margin-top:2px}

/* ---------- 板块通用 ---------- */
.section{padding:64px 0}
.section-soft{background:var(--bg-soft)}
.section-head{margin-bottom:32px}
.section-head .marker{width:40px;height:12px;border-radius:999px;background:var(--grad-brand);margin-bottom:14px}
.section-head h2{font-size:clamp(1.5rem,2.4vw,2rem);margin-bottom:10px}
.section-head p{font-size:.875rem;color:var(--ink-600);max-width:760px}

/* ---------- 筛选行 ---------- */
.filter-row{
  display:flex;flex-wrap:wrap;gap:10px;align-items:center;
  padding:16px;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-lg);box-shadow:var(--sh-1);margin-bottom:34px;
}
.filter-row .filter-label{font-size:.8125rem;font-weight:600;color:var(--ink-700);margin-right:4px}
.tag-chip{
  display:inline-flex;align-items:center;min-height:38px;padding:8px 16px;border-radius:999px;
  background:var(--accent-050);border:1px solid var(--accent-500);color:#0C7A5C;
  font-size:.8125rem;font-weight:500;transition:all var(--t);
}
.tag-chip:hover{background:var(--accent-500);color:#fff}
.filter-row .sort-note{margin-left:auto;font-size:.8125rem;color:var(--ink-600)}

/* ---------- Zigzag 图文交错 ---------- */
.zz-list{display:flex;flex-direction:column;gap:24px}
.zz-item{
  display:flex;gap:24px;align-items:center;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:18px;box-shadow:var(--sh-1);min-height:160px;
  transition:box-shadow var(--t),transform var(--t),border-color var(--t);
}
.zz-item:hover{box-shadow:var(--sh-2);transform:translateY(-4px);border-color:var(--line-strong)}
.zz-item:nth-child(even){flex-direction:row-reverse}
.zz-media{flex:0 0 224px;width:224px;aspect-ratio:4/3;border-radius:var(--r-md);overflow:hidden;background:var(--bg-soft)}
.zz-media img{width:100%;height:100%;object-fit:cover;transition:transform 320ms cubic-bezier(.2,.6,.2,1)}
.zz-item:hover .zz-media img{transform:scale(1.04)}
.zz-body{flex:1 1 auto;min-width:0}
.zz-body .tag{
  display:inline-block;padding:4px 12px;border-radius:999px;background:var(--brand-050);
  color:var(--brand-700);font-size:.75rem;font-weight:600;margin-bottom:10px;
}
.zz-body .tag.green{background:var(--accent-050);color:#0C7A5C}
.zz-body .tag.amber{background:var(--highlight-050);color:#8A5A00}
.zz-body h3{font-size:1.25rem;margin-bottom:8px}
.zz-body h3 a{color:var(--ink-900)}
.zz-body h3 a:hover{color:var(--brand-700)}
.zz-body p{font-size:.9375rem;color:var(--ink-600);line-height:1.8}
.zz-meta{display:flex;flex-wrap:wrap;gap:16px;margin-top:12px;font-size:.8125rem;color:var(--ink-600);font-variant-numeric:tabular-nums}
.zz-arrow{
  flex:0 0 44px;width:44px;height:44px;border-radius:50%;
  border:1px solid var(--line);background:#fff;color:var(--brand-700);
  display:flex;align-items:center;justify-content:center;font-size:16px;
  transition:all var(--t);
}
.zz-item:hover .zz-arrow{background:var(--grad-brand);color:#fff;border-color:transparent}

/* ---------- 分页 ---------- */
.pager{display:flex;justify-content:center;align-items:center;gap:10px;margin-top:44px;flex-wrap:wrap}
.pager a,.pager span{
  min-width:40px;height:40px;padding:0 12px;border-radius:var(--r-sm);
  display:inline-flex;align-items:center;justify-content:center;
  background:#fff;border:1px solid var(--line);color:var(--ink-700);
  font-size:.875rem;font-variant-numeric:tabular-nums;transition:all var(--t);
}
.pager a:hover{background:var(--brand-050);color:var(--brand-700);border-color:var(--brand-300)}
.pager .current{background:var(--grad-brand);color:#fff;border-color:transparent;box-shadow:var(--sh-2);font-weight:600}
.pager .current:hover{color:#fff}

/* ---------- 相关分类互链 ---------- */
.rel-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px}
.rel-card{
  display:block;background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:24px 22px;box-shadow:var(--sh-1);transition:all var(--t);height:100%;
}
.rel-card:hover{box-shadow:var(--sh-2);transform:translateY(-4px);border-color:var(--brand-300)}
.rel-card .rel-num{
  width:28px;height:28px;border-radius:50%;background:var(--brand-050);color:var(--brand-700);
  display:flex;align-items:center;justify-content:center;font-size:.8125rem;font-weight:700;margin-bottom:14px;
}
.rel-card h3{font-size:1.0625rem;margin-bottom:8px;color:var(--ink-900)}
.rel-card:hover h3{color:var(--brand-700)}
.rel-card p{font-size:.875rem;color:var(--ink-600);line-height:1.75}
.rel-card .rel-more{display:inline-block;margin-top:14px;font-size:.8125rem;font-weight:600;color:var(--brand-700)}

/* ---------- FAQ ---------- */
.faq-list{display:flex;flex-direction:column;gap:12px}
.faq-item{border-radius:20px;background:var(--bg-soft);overflow:hidden;transition:background var(--t),box-shadow var(--t)}
.faq-item.open{background:#fff;box-shadow:var(--sh-1);border-left:3px solid var(--brand-600)}
.faq-q{
  width:100%;text-align:left;background:transparent;border:0;cursor:pointer;
  padding:18px 22px;font-size:1rem;font-weight:600;color:var(--ink-900);
  display:flex;align-items:center;justify-content:space-between;gap:16px;
}
.faq-q:hover{color:var(--brand-700)}
.faq-arrow{width:0;height:0;border-left:6px solid transparent;border-right:6px solid transparent;border-top:7px solid var(--brand-600);transition:transform var(--t);flex:0 0 auto}
.faq-q[aria-expanded="true"] .faq-arrow{transform:rotate(180deg)}
.faq-a{padding:0 22px 20px;font-size:.9375rem;line-height:1.85;color:var(--ink-600)}

/* ---------- 收藏分享 CTA ---------- */
.cta-deep{
  position:relative;overflow:hidden;border-radius:var(--r-xl);
  background:var(--grad-deep);color:#fff;padding:48px;
  display:flex;flex-wrap:wrap;gap:32px;align-items:center;justify-content:space-between;
}
.cta-deep::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(255,255,255,.08) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.08) 1px,transparent 1px);
  background-size:6px 6px;opacity:.9;pointer-events:none;
}
.cta-deep .cta-text{position:relative;z-index:1;max-width:620px}
.cta-deep h2{color:#fff;font-size:clamp(1.5rem,2.4vw,2rem);margin-bottom:12px}
.cta-deep p{color:rgba(255,255,255,.78);font-size:.9375rem}
.cta-actions{position:relative;z-index:1;display:flex;gap:12px;flex-wrap:wrap}
.cta-badges{position:relative;z-index:1;display:flex;gap:12px;flex-wrap:wrap;margin-top:22px}
.cta-badge{
  padding:10px 18px;border-radius:999px;border:1px solid rgba(255,255,255,.28);
  background:rgba(255,255,255,.08);font-size:.8125rem;color:#fff;font-variant-numeric:tabular-nums;
}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--bg-deep);color:rgba(255,255,255,.72);margin-top:80px;padding:64px 0 0}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:36px}
.site-footer .brand{color:#fff}
.site-footer .brand:hover{color:#fff}
.footer-about{font-size:.875rem;line-height:1.85;color:rgba(255,255,255,.62);margin-top:16px;max-width:340px}
.footer-badges{display:flex;gap:10px;flex-wrap:wrap;margin-top:18px}
.footer-badge{
  padding:6px 14px;border-radius:999px;border:1px solid rgba(255,255,255,.22);
  font-size:.75rem;color:#fff;font-variant-numeric:tabular-nums;
}
.site-footer h4{color:#fff;font-size:.9375rem;font-weight:600;margin-bottom:16px}
.footer-links{display:flex;flex-direction:column;gap:11px}
.footer-links a{color:rgba(255,255,255,.68);font-size:.875rem}
.footer-links a:hover{color:var(--accent-500);text-decoration:underline}
.footer-bottom{
  margin-top:48px;padding:22px 0;border-top:1px solid rgba(255,255,255,.12);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:.8125rem;color:rgba(255,255,255,.55);
}
.to-top{
  width:44px;height:44px;border-radius:var(--r-md);border:1px solid rgba(255,255,255,.24);
  background:rgba(255,255,255,.06);color:#fff;font-size:16px;cursor:pointer;transition:all var(--t);
}
.to-top:hover{background:var(--brand-600);border-color:transparent}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  .rel-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:991.98px){
  .cat-hero .hero-grid{grid-template-columns:1fr;gap:26px}
  .hero-badges{justify-content:flex-start}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
  .section{padding:56px 0}
}
@media (max-width:767.98px){
  .nav-toggle{display:inline-flex}
  .nav-wrap{padding-bottom:0}
  .nav-chips{
    display:none;flex-direction:column;gap:8px;background:#fff;
    border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--sh-2);
    padding:14px;margin-bottom:16px;
  }
  .nav-chips.is-open{display:flex}
  .chip{width:100%;justify-content:flex-start;border-radius:var(--r-sm)}
  .zz-item,.zz-item:nth-child(even){flex-direction:column;align-items:stretch}
  .zz-media{flex:0 0 auto;width:100%;aspect-ratio:16/9}
  .zz-arrow{display:none}
  .cta-deep{padding:32px 24px}
  .badge-box{flex:1 1 calc(50% - 7px);min-width:0}
  .header-actions .btn-grad{display:none}
}
@media (max-width:575.98px){
  .container{padding:0 16px}
  .rel-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .hero-badges{width:100%}
  .badge-box{flex:1 1 100%}
  .filter-row .sort-note{margin-left:0;flex-basis:100%}
  .cta-actions{width:100%}
  .cta-actions .btn{flex:1 1 100%}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{transition:none!important;animation:none!important}
  .btn:hover,.zz-item:hover,.rel-card:hover,.badge-box:hover{transform:none!important}
  .zz-item:hover .zz-media img{transform:none!important}
}

/* roulang page: category2 */
:root{
  --brand-600:#6D3BF5; --brand-700:#5528D8; --brand-300:#9A5BFF; --brand-050:#F1ECFE;
  --accent-500:#17D6A3; --accent-050:#E6FBF5;
  --highlight:#FFB020; --highlight-050:#FFF4E0;
  --ink-900:#14102B; --ink-700:#35305A; --ink-600:#5A5578;
  --bg-page:#FBFAFF; --bg-soft:#F4F2FC; --bg-deep:#14102B;
  --line:#E6E3F0; --line-strong:#D6D1E8;
  --grad-brand:linear-gradient(120deg,#6D3BF5 0%,#9A5BFF 45%,#17D6A3 100%);
  --grad-deep:linear-gradient(160deg,#241A55 0%,#14102B 100%);
  --r-sm:10px; --r-md:16px; --r-lg:24px; --r-xl:32px;
  --sh-1:0 1px 2px rgba(20,16,43,.06);
  --sh-2:0 10px 30px -12px rgba(20,16,43,.18);
  --sh-3:0 24px 48px -20px rgba(109,59,245,.35);
  --t:180ms cubic-bezier(.2,.6,.2,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;background:var(--bg-page);color:var(--ink-600);
  font-family:-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC","Source Han Sans SC",sans-serif;
  font-size:1rem;line-height:1.9;-webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--ink-700);text-decoration:none;transition:color var(--t);}
a:hover{color:var(--brand-700);}
button{font-family:inherit;}
h1,h2,h3,h4{color:var(--ink-900);margin:0;line-height:1.35;font-weight:700;}
p{margin:0 0 16px;}
:focus-visible{outline:2px solid var(--brand-600);outline-offset:2px;border-radius:6px;}
.container{max-width:1200px;margin:0 auto;padding:0 24px;}
@media(min-width:1440px){.container{max-width:1280px;}}

/* ---------- 品牌 ---------- */
.brand{display:inline-flex;align-items:center;gap:12px;}
.brand__mark{
  width:36px;height:36px;border-radius:12px;background:var(--grad-brand);color:#fff;
  display:flex;align-items:center;justify-content:center;font-weight:700;font-size:1.0625rem;
  box-shadow:var(--sh-2);flex:0 0 auto;
}
.brand__text{font-size:1.0625rem;font-weight:700;color:var(--ink-900);letter-spacing:.01em;}

/* ---------- 顶部导航 ---------- */
.site-header{position:sticky;top:0;z-index:60;background:rgba(251,250,255,.92);backdrop-filter:blur(8px);border-bottom:1px solid var(--line);transition:box-shadow var(--t),background var(--t);}
.site-header.is-scrolled{box-shadow:var(--sh-2);}
.header-top__inner{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:72px;}
.header-actions{display:flex;align-items:center;gap:12px;}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;padding:10px 22px;border-radius:var(--r-md);
  font-size:.9375rem;font-weight:600;border:1px solid transparent;cursor:pointer;transition:transform var(--t),box-shadow var(--t),background var(--t),color var(--t),border-color var(--t);}
.btn-grad{background:var(--grad-brand);color:#fff;box-shadow:var(--sh-3);}
.btn-grad:hover{color:#fff;transform:translateY(-2px);}
.btn-ghost{background:#fff;border-color:var(--line-strong);color:var(--ink-700);}
.btn-ghost:hover{border-color:var(--brand-300);color:var(--brand-700);background:var(--brand-050);}
.btn-light{background:rgba(255,255,255,.10);border-color:rgba(255,255,255,.42);color:#fff;}
.btn-light:hover{background:rgba(255,255,255,.2);color:#fff;}
.nav-toggle{display:none;width:44px;height:44px;border-radius:var(--r-sm);border:1px solid var(--line-strong);background:#fff;color:var(--ink-700);font-size:1.125rem;line-height:1;cursor:pointer;}
.header-chips{border-top:1px solid var(--line);}
.nav-chips{display:flex;gap:8px;padding:10px 0;overflow-x:auto;scrollbar-width:none;}
.nav-chips::-webkit-scrollbar{display:none;}
.chip{white-space:nowrap;padding:10px 20px;border-radius:999px;border:1px solid var(--line);background:#fff;color:var(--ink-700);
  font-size:.9375rem;font-weight:500;transition:all var(--t);min-height:44px;display:inline-flex;align-items:center;}
.chip:hover{background:var(--brand-050);color:var(--brand-700);border-color:var(--brand-050);}
.chip.active{background:var(--grad-brand);color:#fff;border-color:transparent;box-shadow:var(--sh-2);}

/* ---------- 分类 Hero ---------- */
.cat-hero{position:relative;background:var(--bg-soft);overflow:hidden;padding:40px 0 34px;}
.cat-hero::before{content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(109,59,245,.07) 1px,transparent 1px),linear-gradient(90deg,rgba(109,59,245,.07) 1px,transparent 1px);
  background-size:6px 6px;pointer-events:none;}
.cat-hero::after{content:"";position:absolute;width:420px;height:420px;right:-120px;top:-180px;border-radius:50%;
  background:radial-gradient(circle,rgba(109,59,245,.18) 0%,rgba(109,59,245,0) 70%);pointer-events:none;}
.cat-hero .container{position:relative;z-index:2;}
.hero-rule{height:4px;width:88px;border-radius:999px;background:var(--grad-brand);margin-bottom:20px;}
.breadcrumb{display:flex;flex-wrap:wrap;gap:8px;font-size:.8125rem;color:var(--ink-600);margin-bottom:16px;}
.breadcrumb a{color:var(--ink-600);}
.breadcrumb a:hover{color:var(--brand-700);}
.breadcrumb span.sep{color:var(--line-strong);}
.breadcrumb .now{color:var(--ink-900);font-weight:600;}
.cat-hero h1{font-size:clamp(1.875rem,3.6vw,2.75rem);letter-spacing:-.01em;}
.cat-hero .lead{font-size:1rem;color:var(--ink-700);margin:12px 0 0;max-width:640px;}
.hero-badges{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px;}
.stat-badge{background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:12px 18px;box-shadow:var(--sh-1);min-width:132px;}
.stat-badge b{display:block;font-size:1.375rem;font-weight:700;color:var(--brand-600);font-variant-numeric:tabular-nums;line-height:1.2;}
.stat-badge span{font-size:.8125rem;color:var(--ink-600);}
.stat-badge.alt b{color:var(--accent-500);}
.stat-badge.warm b{color:var(--highlight);}

/* ---------- 筛选 chip 行 ---------- */
.filter-row{display:flex;gap:8px;overflow-x:auto;scrollbar-width:none;padding:20px 0 0;}
.filter-row::-webkit-scrollbar{display:none;}
.filter-row .chip{font-size:.875rem;padding:8px 18px;min-height:40px;}
.filter-row .chip.on{background:var(--accent-050);border-color:var(--accent-500);color:#0B7B5E;font-weight:600;}

/* ---------- 主区 ---------- */
.section{padding:56px 0;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;flex-wrap:wrap;margin-bottom:28px;}
.section-head .marker{width:40px;height:12px;border-radius:999px;background:var(--grad-brand);margin-bottom:14px;}
.section-head h2{font-size:clamp(1.5rem,2.4vw,2rem);}
.section-head p{font-size:.875rem;color:var(--ink-600);margin:8px 0 0;}
.lead-text{max-width:760px;font-size:1rem;color:var(--ink-600);margin-bottom:28px;}

/* 侧栏 */
.filter-panel{position:sticky;top:132px;background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--sh-1);padding:22px;}
.filter-panel h3{font-size:1.0625rem;margin-bottom:6px;}
.filter-panel .hint{font-size:.8125rem;color:var(--ink-600);margin-bottom:16px;}
.filter-group{padding-top:16px;border-top:1px solid var(--line);}
.filter-group + .filter-group{margin-top:16px;}
.filter-group h4{font-size:.8125rem;font-weight:600;color:var(--ink-600);letter-spacing:.06em;margin-bottom:10px;}
.filter-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:4px;}
.filter-list a{display:flex;align-items:center;justify-content:space-between;gap:8px;padding:9px 10px;border-radius:var(--r-sm);font-size:.9375rem;min-height:44px;}
.filter-list a:hover{background:var(--brand-050);color:var(--brand-700);}
.filter-list a em{font-style:normal;font-size:.8125rem;color:var(--ink-600);font-variant-numeric:tabular-nums;}
.mini-note{margin-top:18px;background:var(--brand-050);border-radius:var(--r-md);padding:14px 16px;font-size:.8125rem;color:var(--ink-700);}

/* 时间线 */
.timeline{position:relative;padding-left:8px;}
.timeline::before{content:"";position:absolute;left:24px;top:10px;bottom:10px;width:3px;border-radius:2px;background:var(--grad-brand);}
.tl-item{position:relative;padding-left:66px;margin-bottom:24px;}
.tl-item::before{content:"";position:absolute;left:17px;top:18px;width:17px;height:17px;border-radius:50%;background:#fff;border:3px solid var(--brand-600);box-shadow:0 0 0 4px var(--brand-050);}
.tl-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--sh-1);padding:22px 24px;transition:transform var(--t),box-shadow var(--t);}
.tl-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);}
.tl-meta{display:flex;flex-wrap:wrap;align-items:center;gap:12px;font-size:.8125rem;color:var(--ink-600);font-variant-numeric:tabular-nums;margin-bottom:10px;}
.tag{display:inline-flex;align-items:center;padding:4px 12px;border-radius:999px;background:var(--brand-050);color:var(--brand-700);font-size:.8125rem;font-weight:600;}
.tl-card h3{font-size:1.0625rem;margin-bottom:8px;}
.tl-card h3 a{color:var(--ink-900);}
.tl-card h3 a:hover{color:var(--brand-700);}
.tl-card p{font-size:.875rem;color:var(--ink-600);margin:0;}
.tl-foot{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:14px;padding-top:14px;border-top:1px solid var(--line);font-size:.8125rem;color:var(--ink-600);}
.arrow-btn{width:44px;height:44px;border-radius:50%;border:1px solid var(--line-strong);background:#fff;color:var(--brand-700);display:inline-flex;align-items:center;justify-content:center;font-size:1rem;transition:all var(--t);}
.tl-card:hover .arrow-btn{background:var(--grad-brand);color:#fff;border-color:transparent;}

/* 题材标签块 */
.topic-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:16px;}
.topic-card{display:flex;align-items:center;gap:14px;background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:16px 18px;box-shadow:var(--sh-1);transition:transform var(--t),box-shadow var(--t),border-color var(--t);}
.topic-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:var(--brand-300);}
.topic-card .dot{width:34px;height:34px;border-radius:12px;background:var(--brand-050);color:var(--brand-700);display:flex;align-items:center;justify-content:center;font-weight:700;font-size:.875rem;flex:0 0 auto;}
.topic-card b{display:block;color:var(--ink-900);font-size:.9375rem;font-weight:600;}
.topic-card span{font-size:.8125rem;color:var(--ink-600);}

/* 分页 */
.pager{display:flex;flex-wrap:wrap;gap:8px;justify-content:center;margin-top:36px;}
.pager a,.pager .cur{width:40px;height:40px;border-radius:var(--r-sm);display:inline-flex;align-items:center;justify-content:center;font-size:.9375rem;font-weight:600;border:1px solid var(--line-strong);background:#fff;color:var(--ink-700);transition:all var(--t);font-variant-numeric:tabular-nums;}
.pager a:hover{border-color:var(--brand-300);background:var(--brand-050);color:var(--brand-700);}
.pager .cur{background:var(--grad-brand);color:#fff;border-color:transparent;box-shadow:var(--sh-2);}
.pager .wide{width:auto;padding:0 18px;}

/* 相关分类 */
.rel-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;}
.rel-card{display:block;background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:20px;box-shadow:var(--sh-1);transition:transform var(--t),box-shadow var(--t);}
.rel-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);}
.rel-card b{display:block;color:var(--ink-900);font-weight:600;font-size:1rem;margin-bottom:6px;}
.rel-card span{font-size:.8125rem;color:var(--ink-600);}
.rel-card .go{display:inline-flex;align-items:center;gap:6px;margin-top:14px;font-size:.8125rem;color:var(--brand-700);font-weight:600;}

/* FAQ */
.faq-wrap{max-width:860px;margin:0 auto;}
.faq-item{background:var(--bg-soft);border-radius:20px;margin-bottom:12px;overflow:hidden;transition:background var(--t),box-shadow var(--t);}
.faq-item.open{background:#fff;box-shadow:var(--sh-1);border-left:3px solid var(--brand-600);}
.faq-q{width:100%;background:none;border:0;text-align:left;padding:18px 22px;min-height:44px;display:flex;align-items:center;justify-content:space-between;gap:14px;font-size:1rem;font-weight:600;color:var(--ink-900);cursor:pointer;}
.faq-q .caret{width:10px;height:10px;border-right:2px solid var(--brand-600);border-bottom:2px solid var(--brand-600);transform:rotate(45deg);transition:transform var(--t);flex:0 0 auto;margin-top:-4px;}
.faq-item.open .caret{transform:rotate(-135deg);margin-top:4px;}
.faq-a{max-height:0;overflow:hidden;transition:max-height 260ms cubic-bezier(.2,.6,.2,1);}
.faq-a p{padding:0 22px 20px;margin:0;font-size:.9375rem;line-height:1.8;color:var(--ink-600);}

/* CTA */
.cta-deep{position:relative;overflow:hidden;background:var(--grad-deep);border-radius:var(--r-xl);padding:48px;color:#fff;}
.cta-deep::before{content:"";position:absolute;inset:0;opacity:.1;
  background-image:linear-gradient(rgba(255,255,255,.6) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.6) 1px,transparent 1px);
  background-size:8px 8px;}
.cta-inner{position:relative;z-index:2;display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;}
.cta-inner h2{color:#fff;font-size:clamp(1.5rem,2.4vw,2rem);}
.cta-inner p{color:rgba(255,255,255,.76);margin:10px 0 0;font-size:.9375rem;}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;}
.cta-badges{position:relative;z-index:2;display:flex;gap:12px;flex-wrap:wrap;margin-top:28px;}
.cta-badge{background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.24);border-radius:999px;padding:8px 16px;font-size:.8125rem;color:#fff;font-variant-numeric:tabular-nums;}

/* 页脚 */
.site-footer{background:var(--bg-deep);color:rgba(255,255,255,.72);margin-top:72px;padding:64px 0 24px;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:32px;}
.site-footer .brand__text{color:#fff;}
.site-footer h4{color:#fff;font-size:.9375rem;font-weight:600;margin-bottom:14px;}
.footer-about{font-size:.8125rem;color:rgba(255,255,255,.6);margin:16px 0 0;line-height:1.8;}
.footer-links{display:flex;flex-direction:column;gap:10px;}
.footer-links a{color:rgba(255,255,255,.72);font-size:.875rem;}
.footer-links a:hover{color:var(--accent-500);text-decoration:underline;}
.footer-badges{display:flex;gap:10px;flex-wrap:wrap;margin-top:18px;}
.footer-badge{font-size:.75rem;padding:5px 12px;border-radius:999px;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.18);color:#fff;}
.footer-bottom{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-top:40px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);font-size:.8125rem;color:rgba(255,255,255,.55);}
.to-top{width:44px;height:44px;border-radius:var(--r-md);border:1px solid rgba(255,255,255,.24);background:rgba(255,255,255,.08);color:#fff;cursor:pointer;font-size:1rem;transition:all var(--t);}
.to-top:hover{background:var(--brand-600);border-color:transparent;}

/* 响应式 */
@media(max-width:1199px){
  .rel-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
}
@media(max-width:991px){
  .header-top__inner{min-height:64px;}
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center;}
  .header-chips{max-height:0;overflow:hidden;transition:max-height 260ms cubic-bezier(.2,.6,.2,1);border-top:0;}
  .header-chips.open{max-height:420px;border-top:1px solid var(--line);}
  .nav-chips{flex-direction:column;padding:12px 0 18px;}
  .chip{width:100%;justify-content:flex-start;}
  .filter-panel{position:static;margin-bottom:28px;}
  .cta-deep{padding:36px 24px;}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .section{padding:64px 0;}
}
@media(max-width:767px){
  .container{padding:0 16px;}
  .cat-hero{padding:32px 0 28px;}
  .hero-badges{display:grid;grid-template-columns:1fr 1fr;gap:12px;}
  .stat-badge{min-width:0;}
  .tl-item{padding-left:52px;}
  .timeline::before{left:18px;}
  .tl-item::before{left:11px;}
  .footer-grid{grid-template-columns:1fr;}
  .rel-grid{grid-template-columns:1fr;}
}
@media(max-width:520px){
  .section{padding:56px 0;}
  .btn{width:100%;}
  .cta-actions{width:100%;}
  .cta-actions .btn{width:100%;}
  .hero-badges{grid-template-columns:1fr 1fr;}
}
@media(prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important;}
  html{scroll-behavior:auto;}
  .tl-card:hover,.topic-card:hover,.rel-card:hover,.btn-grad:hover{transform:none;}
}

/* roulang page: category3 */
:root{
  --brand-600:#6D3BF5;
  --brand-700:#5528D8;
  --brand-300:#9A5BFF;
  --brand-050:#F1ECFE;
  --accent-500:#17D6A3;
  --accent-050:#E6FBF5;
  --highlight:#FFB020;
  --highlight-050:#FFF4E0;
  --ink-900:#14102B;
  --ink-700:#35305A;
  --ink-600:#5A5578;
  --bg-page:#FBFAFF;
  --bg-soft:#F4F2FC;
  --bg-deep:#14102B;
  --line:#E6E3F0;
  --line-strong:#D6D1E8;
  --grad-brand:linear-gradient(120deg,#6D3BF5 0%,#9A5BFF 45%,#17D6A3 100%);
  --grad-deep:linear-gradient(160deg,#241A55 0%,#14102B 100%);
  --r-sm:10px;
  --r-md:16px;
  --r-lg:24px;
  --r-xl:32px;
  --sh-1:0 1px 2px rgba(20,16,43,.06);
  --sh-2:0 10px 30px -12px rgba(20,16,43,.18);
  --sh-3:0 24px 48px -20px rgba(109,59,245,.35);
  --t:180ms cubic-bezier(.2,.6,.2,1);
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC","Source Han Sans SC",sans-serif;
  font-size:1rem;
  line-height:1.9;
  color:var(--ink-600);
  background:var(--bg-page);
  overflow-x:hidden;
}
img{display:block;max-width:100%;height:auto}
a{color:var(--brand-700);text-decoration:none;transition:color var(--t)}
a:hover{color:var(--brand-600)}
h1,h2,h3,h4{color:var(--ink-900);margin:0;font-weight:700;line-height:1.35}
p{margin:0 0 16px}
button{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--brand-600);outline-offset:2px;border-radius:6px}

.container{
  width:100%;
  max-width:1200px;
  margin-left:auto;
  margin-right:auto;
  padding-left:16px;
  padding-right:16px;
}
@media (min-width:576px){.container{padding-left:24px;padding-right:24px}}
@media (min-width:1440px){.container{max-width:1280px;padding-left:32px;padding-right:32px}}

/* ---------- Header ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(251,250,255,.92);
  -webkit-backdrop-filter:blur(10px);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
  transition:box-shadow var(--t);
}
.site-header.is-stuck{box-shadow:var(--sh-2)}
.header-top{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding:14px 0;
}
.header-actions{display:flex;align-items:center;gap:12px}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  color:var(--ink-900);
  font-weight:700;
}
.brand__mark{
  width:36px;height:36px;
  display:grid;place-items:center;
  border-radius:12px;
  background:var(--grad-brand);
  color:#fff;
  font-size:1rem;
  font-weight:700;
  box-shadow:var(--sh-2);
  flex:0 0 auto;
}
.brand__text{font-size:1.0625rem;font-weight:700;letter-spacing:.01em;white-space:nowrap}
.btn-grad{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:44px;
  padding:0 22px;
  border:0;
  border-radius:var(--r-md);
  background:var(--grad-brand);
  color:#fff;
  font-size:.9375rem;
  font-weight:600;
  box-shadow:var(--sh-2);
  cursor:pointer;
  transition:transform var(--t),box-shadow var(--t),filter var(--t);
}
.btn-grad:hover{color:#fff;transform:translateY(-2px);box-shadow:var(--sh-3);filter:saturate(1.05)}
.btn-line{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:44px;
  padding:0 22px;
  border:1px solid var(--line-strong);
  border-radius:var(--r-md);
  background:#fff;
  color:var(--ink-900);
  font-size:.9375rem;
  font-weight:600;
  cursor:pointer;
  transition:background var(--t),border-color var(--t),transform var(--t);
}
.btn-line:hover{background:var(--brand-050);border-color:var(--brand-300);color:var(--brand-700);transform:translateY(-2px)}
.btn-ghost-light{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:44px;
  padding:0 22px;
  border:1px solid rgba(255,255,255,.4);
  border-radius:var(--r-md);
  background:transparent;
  color:#fff;
  font-size:.9375rem;
  font-weight:600;
  cursor:pointer;
  transition:background var(--t),border-color var(--t),transform var(--t);
}
.btn-ghost-light:hover{background:rgba(255,255,255,.12);border-color:#fff;color:#fff;transform:translateY(-2px)}

.nav-chips{
  display:flex;
  align-items:center;
  gap:8px;
  padding:0 0 14px;
  overflow-x:auto;
  scrollbar-width:none;
  -ms-overflow-style:none;
}
.nav-chips::-webkit-scrollbar{display:none}
@media (max-width:767.98px){
  .nav-chips{
    -webkit-mask-image:linear-gradient(90deg,#000 86%,transparent);
    mask-image:linear-gradient(90deg,#000 86%,transparent);
    padding-right:24px;
  }
}
.chip{
  flex:0 0 auto;
  display:inline-flex;
  align-items:center;
  min-height:44px;
  padding:10px 20px;
  border-radius:999px;
  border:1px solid var(--line);
  background:#fff;
  color:var(--ink-700);
  font-size:.9375rem;
  font-weight:500;
  transition:background var(--t),color var(--t),border-color var(--t),box-shadow var(--t);
}
.chip:hover{background:var(--brand-050);color:var(--brand-700);border-color:var(--brand-300)}
.chip.active{
  background:var(--grad-brand);
  color:#fff;
  border-color:transparent;
  box-shadow:var(--sh-2);
}
.chip.active:hover{color:#fff}

/* ---------- Category hero ---------- */
.cat-hero{
  position:relative;
  overflow:hidden;
  background:var(--bg-soft);
  border-bottom:1px solid var(--line);
}
.cat-hero::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:
    radial-gradient(520px 260px at 90% -20%,rgba(109,59,245,.18),transparent 72%),
    linear-gradient(rgba(109,59,245,.05) 1px,transparent 1px),
    linear-gradient(90deg,rgba(109,59,245,.05) 1px,transparent 1px);
  background-size:auto,6px 6px,6px 6px;
  pointer-events:none;
}
.cat-hero__inner{
  position:relative;
  z-index:1;
  display:grid;
  grid-template-columns:1fr;
  gap:32px;
  padding:56px 0 64px;
}
@media (min-width:992px){
  .cat-hero__inner{
    grid-template-columns:minmax(0,7fr) minmax(0,5fr);
    align-items:center;
    gap:48px;
    padding:72px 0;
    min-height:280px;
  }
}
.cat-hero__rule{
  width:64px;height:4px;
  border-radius:999px;
  background:var(--grad-brand);
  margin-bottom:16px;
}
.crumbs{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-size:.8125rem;
  color:var(--ink-600);
  margin-bottom:16px;
}
.crumbs a{color:var(--ink-600)}
.crumbs a:hover{color:var(--brand-700)}
.crumbs .sep{color:var(--line-strong)}
.crumbs .current{color:var(--ink-900);font-weight:600}
.tag-chip{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:6px 14px;
  border-radius:999px;
  background:var(--brand-050);
  color:var(--brand-700);
  font-size:.8125rem;
  font-weight:600;
}
.cat-hero h1{
  font-size:clamp(1.875rem,3.6vw,2.75rem);
  line-height:1.25;
  letter-spacing:-.01em;
  margin:16px 0 12px;
}
.hero-sub{
  font-size:1rem;
  color:var(--ink-700);
  font-weight:500;
  margin:0 0 14px;
}
.hero-lead{
  font-size:.9375rem;
  color:var(--ink-600);
  max-width:640px;
  margin:0 0 24px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px}
.hero-stats{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:12px;
}
@media (min-width:992px){.hero-stats{grid-template-columns:1fr}}
.stat-card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-md);
  padding:16px 14px;
  text-align:center;
  box-shadow:var(--sh-1);
  transition:box-shadow var(--t),transform var(--t);
}
.stat-card:hover{box-shadow:var(--sh-2);transform:translateY(-2px)}
.stat-card__value{
  display:block;
  font-size:1.5rem;
  font-weight:700;
  color:var(--brand-600);
  font-variant-numeric:tabular-nums;
  line-height:1.25;
}
.stat-card__value--accent{color:var(--accent-500)}
.stat-card__value--warn{color:#C98200}
.stat-card__label{font-size:.8125rem;color:var(--ink-600);line-height:1.6}

/* ---------- Sections ---------- */
.section{padding:56px 0}
@media (min-width:768px){.section{padding:72px 0}}
@media (min-width:992px){.section{padding:96px 0}}
.section--soft{background:var(--bg-soft);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{
  display:flex;
  flex-wrap:wrap;
  align-items:flex-end;
  justify-content:space-between;
  gap:20px;
  margin-bottom:32px;
}
.section-kicker{
  width:40px;height:6px;
  border-radius:999px;
  background:var(--grad-brand);
  margin-bottom:14px;
}
.section-head h2{font-size:clamp(1.5rem,2.4vw,2rem);margin-bottom:6px}
.section-desc{font-size:.875rem;color:var(--ink-600);margin:0;max-width:560px}

/* ---------- Filter row ---------- */
.filter-row{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  padding:24px 0 0;
}
.f-chip{
  display:inline-flex;
  align-items:center;
  min-height:44px;
  padding:8px 18px;
  border-radius:999px;
  border:1px solid var(--line);
  background:#fff;
  color:var(--ink-700);
  font-size:.875rem;
  font-weight:500;
  cursor:pointer;
  transition:background var(--t),color var(--t),border-color var(--t);
}
.f-chip:hover{background:var(--accent-050);border-color:var(--accent-500);color:#0E7F62}
.f-chip.is-active{
  background:var(--brand-050);
  border-color:var(--brand-300);
  color:var(--brand-700);
  font-weight:600;
}

/* ---------- Badge strip ---------- */
.badge-strip{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:16px;
  padding:32px 0 8px;
}
@media (min-width:768px){.badge-strip{grid-template-columns:repeat(4,minmax(0,1fr))}}
.pill-badge{
  display:flex;
  align-items:center;
  gap:12px;
  padding:16px 18px;
  border-radius:var(--r-md);
  background:#fff;
  border:1px solid var(--line);
  box-shadow:var(--sh-1);
}
.pill-badge__dot{
  width:10px;height:10px;
  border-radius:50%;
  background:var(--grad-brand);
  flex:0 0 auto;
}
.pill-badge__num{
  font-size:1.25rem;
  font-weight:700;
  color:var(--ink-900);
  font-variant-numeric:tabular-nums;
  line-height:1.2;
}
.pill-badge__txt{font-size:.8125rem;color:var(--ink-600);line-height:1.5}

/* ---------- Big card matrix ---------- */
.matrix{
  display:grid;
  grid-template-columns:1fr;
  gap:24px;
}
@media (min-width:992px){.matrix{grid-template-columns:repeat(2,minmax(0,1fr))}}
.big-card{
  position:relative;
  display:block;
  height:240px;
  border-radius:var(--r-lg);
  overflow:hidden;
  border:1px solid var(--line);
  box-shadow:var(--sh-1);
  color:#fff;
  transition:box-shadow var(--t),transform var(--t);
}
@media (min-width:992px){.big-card{height:280px}}
.big-card:hover{box-shadow:var(--sh-2);transform:translateY(-4px);color:#fff}
.big-card__img{
  position:absolute;
  inset:0;
  width:100%;
  height:100%;
  object-fit:cover;
  transition:transform var(--t);
}
.big-card:hover .big-card__img{transform:scale(1.04)}
.big-card::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(180deg,rgba(20,16,43,.10) 0%,rgba(20,16,43,.62) 52%,rgba(20,16,43,.93) 100%);
}
.big-card__chip{
  position:absolute;
  top:16px;
  left:16px;
  z-index:2;
  padding:5px 12px;
  border-radius:999px;
  background:rgba(255,255,255,.94);
  color:var(--brand-700);
  font-size:.75rem;
  font-weight:600;
}
.big-card__body{
  position:absolute;
  left:0;right:0;bottom:0;
  z-index:2;
  padding:22px 24px;
}
.big-card__title{
  font-size:1.125rem;
  font-weight:700;
  color:#fff;
  line-height:1.45;
  margin:0 0 8px;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.big-card__desc{
  font-size:.875rem;
  line-height:1.7;
  color:rgba(255,255,255,.84);
  margin:0 0 14px;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.big-card__meta{
  display:flex;
  align-items:center;
  gap:14px;
  font-size:.8125rem;
  color:rgba(255,255,255,.78);
  font-variant-numeric:tabular-nums;
}
.big-card__arrow{
  position:absolute;
  right:20px;
  bottom:20px;
  z-index:2;
  width:40px;height:40px;
  display:grid;place-items:center;
  border-radius:50%;
  background:rgba(255,255,255,.16);
  color:#fff;
  font-size:1rem;
  transition:background var(--t);
}
.big-card:hover .big-card__arrow{background:var(--grad-brand)}

/* ---------- Flow ---------- */
.flow{
  display:grid;
  grid-template-columns:1fr;
  gap:16px;
}
@media (min-width:768px){.flow{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (min-width:992px){.flow{grid-template-columns:repeat(4,minmax(0,1fr))}}
.flow__item{
  position:relative;
  padding:26px 22px;
  border-radius:var(--r-lg);
  background:#fff;
  border:1px solid var(--line);
  box-shadow:var(--sh-1);
  transition:box-shadow var(--t),transform var(--t);
}
.flow__item:hover{box-shadow:var(--sh-2);transform:translateY(-4px)}
.flow__num{
  display:inline-grid;
  place-items:center;
  width:40px;height:40px;
  border-radius:14px;
  background:var(--brand-050);
  color:var(--brand-700);
  font-weight:700;
  font-variant-numeric:tabular-nums;
  margin-bottom:16px;
}
.flow__item h3{font-size:1.0625rem;margin-bottom:8px}
.flow__item p{font-size:.875rem;margin:0;color:var(--ink-600)}

/* ---------- Data grid ---------- */
.data-grid{
  display:grid;
  grid-template-columns:1fr;
  gap:16px;
}
@media (min-width:768px){.data-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
.data-card{
  display:flex;
  gap:20px;
  align-items:flex-start;
  padding:24px 26px;
  border-radius:var(--r-lg);
  background:#fff;
  border:1px solid var(--line);
  box-shadow:var(--sh-1);
}
.data-card__value{
  flex:0 0 auto;
  min-width:96px;
  font-size:1.75rem;
  font-weight:700;
  color:var(--brand-600);
  font-variant-numeric:tabular-nums;
  line-height:1.3;
}
.data-card__value span{display:block;font-size:.75rem;font-weight:500;color:var(--ink-600)}
.data-card h3{font-size:1.0625rem;margin-bottom:6px}
.data-card p{font-size:.875rem;margin:0;color:var(--ink-600)}

/* ---------- Related ---------- */
.rel-grid{
  display:grid;
  grid-template-columns:1fr;
  gap:16px;
}
@media (min-width:576px){.rel-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (min-width:992px){.rel-grid{grid-template-columns:repeat(4,minmax(0,1fr))}}
.rel-card{
  display:block;
  padding:22px;
  border-radius:var(--r-lg);
  background:#fff;
  border:1px solid var(--line);
  box-shadow:var(--sh-1);
  color:var(--ink-900);
  transition:box-shadow var(--t),transform var(--t),border-color var(--t);
}
.rel-card:hover{box-shadow:var(--sh-2);transform:translateY(-4px);border-color:var(--brand-300);color:var(--ink-900)}
.rel-card__tag{
  display:inline-block;
  padding:4px 10px;
  border-radius:999px;
  background:var(--accent-050);
  border:1px solid var(--accent-500);
  color:#0E7F62;
  font-size:.75rem;
  font-weight:600;
  margin-bottom:12px;
}
.rel-card h3{font-size:1.0625rem;margin-bottom:6px}
.rel-card p{font-size:.875rem;margin:0 0 12px;color:var(--ink-600)}
.rel-card__more{font-size:.8125rem;color:var(--brand-700);font-weight:600}

/* ---------- Pager ---------- */
.pager-wrap{padding:40px 0 8px}
.pager{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:10px;
}
.pager__num{
  width:44px;height:44px;
  display:grid;place-items:center;
  border-radius:var(--r-sm);
  border:1px solid var(--line-strong);
  background:#fff;
  color:var(--ink-700);
  font-weight:600;
  font-variant-numeric:tabular-nums;
  transition:background var(--t),color var(--t),border-color var(--t);
}
.pager__num:hover{background:var(--brand-050);border-color:var(--brand-300);color:var(--brand-700)}
.pager__num.is-current{background:var(--grad-brand);color:#fff;border-color:transparent}
.pager__num.is-current:hover{color:#fff}
.pager__next{
  display:inline-flex;
  align-items:center;
  gap:8px;
  min-height:44px;
  padding:0 20px;
  border-radius:var(--r-sm);
  border:1px solid var(--line-strong);
  background:#fff;
  color:var(--ink-900);
  font-size:.9375rem;
  font-weight:600;
  transition:background var(--t),border-color var(--t),color var(--t);
}
.pager__next:hover{background:var(--brand-050);border-color:var(--brand-300);color:var(--brand-700)}

/* ---------- FAQ ---------- */
.faq{display:flex;flex-direction:column;gap:12px;max-width:880px}
.faq-item{
  border-radius:20px;
  background:var(--bg-soft);
  overflow:hidden;
  transition:background var(--t),box-shadow var(--t);
}
.faq-item[open]{
  background:#fff;
  box-shadow:var(--sh-1);
  border-left:3px solid var(--brand-600);
}
.faq-item summary{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  min-height:44px;
  padding:18px 24px;
  cursor:pointer;
  list-style:none;
  font-size:1rem;
  font-weight:600;
  color:var(--ink-900);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"+";
  flex:0 0 auto;
  width:28px;height:28px;
  display:grid;place-items:center;
  border-radius:50%;
  background:var(--brand-050);
  color:var(--brand-700);
  font-size:1rem;
  font-weight:700;
  transition:background var(--t),color var(--t);
}
.faq-item[open] summary::after{content:"−";background:var(--grad-brand);color:#fff}
.faq-body{padding:0 24px 20px;font-size:.9375rem;line-height:1.8;color:var(--ink-600);max-width:760px}

/* ---------- CTA ---------- */
.cta-band{
  position:relative;
  overflow:hidden;
  border-radius:var(--r-xl);
  background:var(--grad-deep);
  padding:48px 32px;
  color:#fff;
  box-shadow:var(--sh-3);
}
.cta-band::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;
}
.cta-band__inner{
  position:relative;
  z-index:1;
  display:grid;
  grid-template-columns:1fr;
  gap:28px;
  align-items:center;
}
@media (min-width:992px){.cta-band__inner{grid-template-columns:minmax(0,7fr) minmax(0,5fr)}}
.cta-band h2{
  color:#fff;
  font-size:clamp(1.5rem,2.4vw,2rem);
  margin-bottom:10px;
}
.cta-band p{color:rgba(255,255,255,.78);margin:0;font-size:.9375rem}
.cta-band__actions{display:flex;flex-wrap:wrap;gap:12px}
.cta-badges{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}
.cta-badge{
  padding:8px 16px;
  border-radius:999px;
  border:1px solid rgba(255,255,255,.24);
  background:rgba(255,255,255,.06);
  font-size:.8125rem;
  color:rgba(255,255,255,.86);
  font-variant-numeric:tabular-nums;
}

/* ---------- Footer ---------- */
.site-footer{
  background:var(--bg-deep);
  color:rgba(255,255,255,.72);
  padding:56px 0 24px;
  margin-top:72px;
}
.site-footer .brand__text{color:#fff}
.footer-grid{
  display:grid;
  grid-template-columns:1fr;
  gap:32px;
}
@media (min-width:768px){.footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (min-width:992px){.footer-grid{grid-template-columns:1.4fr 1fr 1fr 1.2fr}}
.footer-grid h4{
  color:#fff;
  font-size:.9375rem;
  font-weight:600;
  margin:0 0 14px;
}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a{color:rgba(255,255,255,.72);font-size:.875rem}
.footer-links a:hover{color:var(--accent-500);text-decoration:underline}
.footer-about{
  font-size:.875rem;
  color:rgba(255,255,255,.6);
  margin:14px 0;
  max-width:360px;
}
.footer-badges{display:flex;flex-wrap:wrap;gap:8px}
.footer-badge{
  padding:5px 12px;
  border-radius:999px;
  border:1px solid rgba(255,255,255,.18);
  font-size:.75rem;
  color:rgba(255,255,255,.8);
}
.footer-bottom{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  margin-top:36px;
  padding-top:20px;
  border-top:1px solid rgba(255,255,255,.12);
  font-size:.8125rem;
  color:rgba(255,255,255,.6);
}
.to-top{
  width:44px;height:44px;
  display:grid;place-items:center;
  border-radius:var(--r-md);
  border:1px solid rgba(255,255,255,.2);
  background:transparent;
  color:#fff;
  font-size:1rem;
  cursor:pointer;
  transition:background var(--t),border-color var(--t);
}
.to-top:hover{background:rgba(255,255,255,.12);border-color:#fff}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{
    transition-duration:.01ms !important;
    animation-duration:.01ms !important;
  }
  .big-card:hover .big-card__img{transform:none}
  .big-card:hover,.flow__item:hover,.rel-card:hover,.stat-card:hover{transform:none}
}

/* roulang page: category4 */
:root{
  --brand-600:#6D3BF5;--brand-700:#5528D8;--brand-300:#9A5BFF;--brand-050:#F1ECFE;
  --accent-500:#17D6A3;--accent-050:#E6FBF5;
  --highlight:#FFB020;--highlight-050:#FFF4E0;
  --ink-900:#14102B;--ink-700:#35305A;--ink-600:#5A5578;
  --bg-page:#FBFAFF;--bg-soft:#F4F2FC;--bg-deep:#14102B;
  --line:#E6E3F0;--line-strong:#D6D1E8;
  --grad-brand:linear-gradient(120deg,#6D3BF5 0%,#9A5BFF 45%,#17D6A3 100%);
  --grad-deep:linear-gradient(160deg,#241A55 0%,#14102B 100%);
  --r-sm:10px;--r-md:16px;--r-lg:24px;--r-xl:32px;
  --sh-1:0 1px 2px rgba(20,16,43,.06);
  --sh-2:0 10px 30px -12px rgba(20,16,43,.18);
  --sh-3:0 24px 48px -20px rgba(109,59,245,.35);
  --ease:180ms cubic-bezier(.2,.6,.2,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;background:var(--bg-page);color:var(--ink-600);
  font-family:-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC","Source Han Sans SC",sans-serif;
  font-size:1rem;line-height:1.9;font-weight:400;
  overflow-x:hidden;
}
h1,h2,h3,h4{margin:0;color:var(--ink-900);font-weight:700;line-height:1.35}
h1{font-size:clamp(1.875rem,3.6vw,2.75rem);line-height:1.25;letter-spacing:-.01em}
h2{font-size:clamp(1.5rem,2.4vw,2rem)}
h3{font-size:1.25rem;font-weight:600;line-height:1.5}
h4{font-size:1.0625rem;font-weight:600}
p{margin:0 0 16px}
a{color:var(--brand-700);text-decoration:none;transition:color var(--ease)}
a:hover{color:var(--brand-600)}
img{max-width:100%;display:block}
ul,ol{margin:0;padding:0;list-style:none}
button{font-family:inherit;cursor:pointer}
:focus-visible{outline:2px solid var(--brand-600);outline-offset:2px;border-radius:6px}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 16px}
@media (min-width:768px){.container{padding:0 24px}}
@media (min-width:1440px){.container{max-width:1280px;padding:0 32px}}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:1030;background:rgba(251,250,255,.94);
  border-bottom:1px solid var(--line);backdrop-filter:saturate(140%) blur(6px);
  transition:box-shadow var(--ease);
}
.site-header.is-scrolled{box-shadow:var(--sh-2)}
.header-top{display:flex;align-items:center;gap:16px;padding:14px 0}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--ink-900)}
.brand:hover{color:var(--ink-900)}
.brand__mark{
  width:36px;height:36px;flex:0 0 36px;border-radius:12px;background:var(--grad-brand);
  color:#fff;font-weight:700;font-size:1.0625rem;display:flex;align-items:center;justify-content:center;
  box-shadow:var(--sh-2);
}
.brand__text{font-size:1.0625rem;font-weight:700;letter-spacing:.01em}
.header-cta{
  margin-left:auto;display:inline-flex;align-items:center;justify-content:center;
  min-height:44px;padding:0 22px;border-radius:var(--r-md);border:0;
  background:var(--grad-brand);color:#fff;font-size:.9375rem;font-weight:600;
  box-shadow:var(--sh-2);transition:transform var(--ease),box-shadow var(--ease);
}
.header-cta:hover{color:#fff;transform:translateY(-2px);box-shadow:var(--sh-3)}
.nav-toggle{
  margin-left:auto;width:44px;height:44px;border-radius:var(--r-md);border:1px solid var(--line);
  background:#fff;display:inline-flex;align-items:center;justify-content:center;gap:4px;
}
.nav-toggle__bar{display:block;width:18px;height:2px;border-radius:2px;background:var(--ink-700)}
.nav-toggle__bars{display:flex;flex-direction:column;gap:4px}
@media (min-width:992px){.nav-toggle{display:none}}
@media (max-width:991.98px){.header-cta{display:none}}
.nav-wrap{position:relative;padding-bottom:14px}
.nav-chips{display:flex;gap:8px;overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none;padding:2px}
.nav-chips::-webkit-scrollbar{display:none}
.chip{
  display:inline-flex;align-items:center;justify-content:center;white-space:nowrap;
  min-height:44px;padding:10px 20px;border-radius:999px;border:1px solid var(--line);
  background:#fff;color:var(--ink-700);font-size:.9375rem;font-weight:500;
  transition:background var(--ease),color var(--ease),box-shadow var(--ease),transform var(--ease);
}
.chip:hover{background:var(--brand-050);color:var(--brand-700);transform:translateY(-1px)}
.chip.active{background:var(--grad-brand);color:#fff;border-color:transparent;box-shadow:var(--sh-2)}
.chip.active:hover{color:#fff}
@media (max-width:991.98px){
  .nav-chips{
    position:absolute;left:16px;right:16px;top:100%;flex-direction:column;gap:6px;
    background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:12px;
    box-shadow:var(--sh-2);display:none;z-index:20;
  }
  .nav-chips.is-open{display:flex}
  .chip{width:100%;justify-content:flex-start}
}

/* ---------- breadcrumb ---------- */
.crumb-area{padding:20px 0 0}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:.8125rem;color:var(--ink-600)}
.crumbs a{color:var(--ink-600)}
.crumbs a:hover{color:var(--brand-700)}
.crumbs .sep{color:var(--line-strong)}
.crumbs .current{color:var(--ink-900);font-weight:600}

/* ---------- category hero ---------- */
.cat-hero{
  position:relative;overflow:hidden;margin-top:16px;border-radius:var(--r-xl);
  background:var(--bg-soft);border:1px solid var(--line);
  padding:32px 24px;min-height:240px;
}
.cat-hero::before{
  content:"";position:absolute;right:-90px;top:-110px;width:340px;height:340px;border-radius:50%;
  background:radial-gradient(circle,rgba(109,59,245,.18) 0%,rgba(109,59,245,0) 70%);
  pointer-events:none;
}
.cat-hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.07;
  background-image:linear-gradient(to right,#14102B 1px,transparent 1px),linear-gradient(to bottom,#14102B 1px,transparent 1px);
  background-size:6px 6px;
}
.cat-hero__inner{position:relative;z-index:1;display:grid;gap:24px;align-items:center}
@media (min-width:992px){
  .cat-hero{padding:44px 40px;min-height:280px}
  .cat-hero__inner{grid-template-columns:minmax(0,1fr) auto}
}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:999px;
  background:#fff;border:1px solid var(--line);color:var(--brand-700);
  font-size:.8125rem;font-weight:600;margin-bottom:16px;
}
.hero-tag .dot{width:8px;height:8px;border-radius:50%;background:var(--accent-500)}
.cat-hero h1{margin-bottom:12px}
.cat-hero h1 .hl{background:var(--grad-brand);-webkit-background-clip:text;background-clip:text;color:transparent}
.cat-hero__sub{font-size:1rem;color:var(--ink-600);margin:0;max-width:560px}
.cat-hero__line{height:3px;width:64px;border-radius:3px;background:var(--grad-brand);margin:20px 0 0}
.hero-badges{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}
@media (max-width:575.98px){.hero-badges{grid-template-columns:repeat(2,minmax(0,1fr))}}
.stat-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:14px 16px;
  box-shadow:var(--sh-1);min-width:104px;
}
.stat-card .value{font-size:1.75rem;font-weight:700;color:var(--brand-600);font-variant-numeric:tabular-nums;line-height:1.2}
.stat-card .value.alt{color:var(--accent-500)}
.stat-card .value.warm{color:var(--highlight)}
.stat-card .label{font-size:.8125rem;color:var(--ink-600);margin-top:2px}

/* ---------- filter bar ---------- */
.filter-bar{
  display:flex;gap:8px;overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none;
  padding:24px 2px 4px;
}
.filter-bar::-webkit-scrollbar{display:none}
.filter-chip{
  white-space:nowrap;min-height:44px;padding:9px 18px;border-radius:999px;
  border:1px solid var(--line);background:#fff;color:var(--ink-700);
  font-size:.875rem;font-weight:500;transition:all var(--ease);
}
.filter-chip:hover{background:var(--brand-050);color:var(--brand-700);border-color:var(--brand-050)}
.filter-chip.is-active{background:var(--brand-050);color:var(--brand-700);border-color:var(--brand-300)}

/* ---------- sections ---------- */
.section{padding:56px 0 0}
@media (min-width:768px){.section{padding:72px 0 0}}
@media (min-width:992px){.section{padding:88px 0 0}}
.section-head{margin-bottom:24px}
.section-head .bar{display:block;width:12px;height:12px;border-radius:4px;background:var(--grad-brand);margin-bottom:12px}
.section-head h2{margin-bottom:6px}
.section-head .note{font-size:.875rem;color:var(--ink-600);margin:0}

/* ---------- layout ---------- */
.layout{display:grid;gap:24px}
@media (min-width:992px){.layout{grid-template-columns:minmax(0,2fr) minmax(0,1fr);gap:32px}}
.side-col{align-self:start}
@media (min-width:992px){.side-col{position:sticky;top:132px}}

/* ---------- dense entries ---------- */
.entry-panel{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--sh-1);overflow:hidden;
}
.entry-list{display:flex;flex-direction:column}
.entry-row{
  position:relative;display:flex;align-items:center;gap:16px;
  padding:16px 20px;border-bottom:1px solid var(--line);
  transition:background var(--ease),transform var(--ease);
}
.entry-row:last-child{border-bottom:0}
.entry-row:hover{background:var(--brand-050)}
.entry-index{
  flex:0 0 34px;width:34px;height:34px;border-radius:50%;background:var(--brand-050);
  color:var(--brand-700);font-size:.8125rem;font-weight:700;font-variant-numeric:tabular-nums;
  display:flex;align-items:center;justify-content:center;
}
.entry-row:hover .entry-index{background:#fff}
.entry-main{min-width:0;flex:1 1 auto}
.entry-title{
  font-size:1rem;font-weight:600;color:var(--ink-900);line-height:1.5;margin:0;
}
.entry-title a{color:inherit}
.entry-title a::after{content:"";position:absolute;inset:0}
.entry-row:hover .entry-title a{color:var(--brand-700)}
.tag{
  display:inline-flex;align-items:center;padding:3px 10px;border-radius:999px;
  background:var(--brand-050);color:var(--brand-700);font-size:.75rem;font-weight:600;
  white-space:nowrap;
}
.entry-time{font-size:.8125rem;color:var(--ink-600);font-variant-numeric:tabular-nums;white-space:nowrap}
.entry-arrow{
  flex:0 0 32px;width:32px;height:32px;border-radius:50%;border:1px solid var(--line);
  color:var(--ink-700);display:flex;align-items:center;justify-content:center;font-size:.875rem;
  transition:all var(--ease);
}
.entry-row:hover .entry-arrow{background:var(--grad-brand);border-color:transparent;color:#fff;transform:translateX(2px)}
@media (max-width:767.98px){
  .entry-row{flex-wrap:wrap;gap:10px;padding:16px}
  .entry-main{flex:1 1 100%;order:-1}
  .entry-index{order:-2}
  .entry-time{margin-left:auto}
}

/* ---------- tip cards ---------- */
.tip-grid{display:grid;gap:16px;margin-top:20px}
@media (min-width:768px){.tip-grid{grid-template-columns:repeat(3,minmax(0,1fr))}}
.tip-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:22px;box-shadow:var(--sh-1);transition:transform var(--ease),box-shadow var(--ease);
}
.tip-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.tip-card h3{font-size:1.0625rem;margin-bottom:8px}
.tip-card p{font-size:.875rem;margin:0;color:var(--ink-600)}
.tip-card .mark{width:36px;height:36px;border-radius:12px;background:var(--accent-050);color:#0E8F6D;display:flex;align-items:center;justify-content:center;font-weight:700;margin-bottom:14px}

/* ---------- side card ---------- */
.side-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:20px;box-shadow:var(--sh-1);margin-bottom:24px;
}
.side-card h2{font-size:1.25rem;margin-bottom:14px}
.side-cover{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:var(--r-md);margin-bottom:16px}
.side-caption{font-size:.8125rem;color:var(--ink-600);text-align:center;margin:0 0 16px}

/* ---------- faq ---------- */
.faq-list{display:flex;flex-direction:column;gap:12px}
.faq-item{
  border-radius:20px;background:var(--bg-soft);overflow:hidden;transition:box-shadow var(--ease);
}
.faq-item[open]{background:#fff;box-shadow:var(--sh-1);border-left:3px solid var(--brand-600)}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:flex-start;gap:12px;
  padding:14px 16px;font-size:.9375rem;font-weight:600;color:var(--ink-900);line-height:1.6;
  min-height:44px;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"";flex:0 0 10px;width:10px;height:10px;margin-left:auto;margin-top:8px;
  border-right:2px solid var(--brand-600);border-bottom:2px solid var(--brand-600);
  transform:rotate(45deg);transition:transform var(--ease);
}
.faq-item[open] summary::after{transform:rotate(-135deg)}
.faq-item .faq-body{padding:0 16px 16px;font-size:.9375rem;line-height:1.8;color:var(--ink-600)}

/* ---------- category chips ---------- */
.cat-links{display:flex;flex-direction:column;gap:10px}
.cat-link{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  min-height:44px;padding:12px 16px;border-radius:var(--r-md);
  border:1px solid var(--line);background:#fff;color:var(--ink-900);
  font-size:.9375rem;font-weight:600;transition:all var(--ease);
}
.cat-link:hover{background:var(--brand-050);border-color:var(--brand-050);color:var(--brand-700);transform:translateX(2px)}
.cat-link .go{color:var(--brand-600);font-weight:700}

/* ---------- pagination ---------- */
.pagination-row{display:flex;flex-wrap:wrap;gap:8px;justify-content:center;padding:24px 0 0}
.page-link-c{
  min-width:44px;height:44px;padding:0 14px;display:inline-flex;align-items:center;justify-content:center;
  border-radius:var(--r-sm);border:1px solid var(--line);background:#fff;color:var(--ink-700);
  font-size:.875rem;font-weight:600;font-variant-numeric:tabular-nums;transition:all var(--ease);
}
.page-link-c:hover{border-color:var(--brand-300);color:var(--brand-700);background:var(--brand-050)}
.page-link-c.is-current{background:var(--grad-brand);color:#fff;border-color:transparent;box-shadow:var(--sh-2)}
.page-link-c.is-current:hover{color:#fff}

/* ---------- CTA ---------- */
.cta-panel{
  position:relative;overflow:hidden;border-radius:var(--r-xl);background:var(--grad-deep);
  color:#fff;padding:32px 24px;margin-top:56px;
}
@media (min-width:992px){.cta-panel{padding:48px;margin-top:88px}}
.cta-panel::after{
  content:"";position:absolute;inset:0;opacity:.09;pointer-events:none;
  background-image:linear-gradient(to right,#fff 1px,transparent 1px),linear-gradient(to bottom,#fff 1px,transparent 1px);
  background-size:6px 6px;
}
.cta-inner{position:relative;z-index:1;display:grid;gap:24px;align-items:center}
@media (min-width:992px){.cta-inner{grid-template-columns:minmax(0,1fr) auto}}
.cta-panel h2{color:#fff;margin-bottom:8px}
.cta-panel p{color:rgba(255,255,255,.78);margin:0;font-size:.9375rem}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px}
@media (max-width:575.98px){.cta-actions{flex-direction:column}.cta-actions>*{width:100%}}
.btn-grad{
  display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:0 24px;
  border:0;border-radius:var(--r-md);background:var(--grad-brand);color:#fff;font-size:.9375rem;font-weight:600;
  box-shadow:var(--sh-3);transition:transform var(--ease),box-shadow var(--ease);
}
.btn-grad:hover{color:#fff;transform:translateY(-2px)}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:0 24px;
  border:1px solid rgba(255,255,255,.5);border-radius:var(--r-md);background:transparent;color:#fff;
  font-size:.9375rem;font-weight:600;transition:all var(--ease);
}
.btn-ghost:hover{background:rgba(255,255,255,.12);color:#fff}
.cta-stats{display:flex;flex-wrap:wrap;gap:12px;margin-top:20px}
.cta-stat{
  border:1px solid rgba(255,255,255,.28);border-radius:999px;padding:6px 14px;
  font-size:.8125rem;color:rgba(255,255,255,.9);font-variant-numeric:tabular-nums;
}

/* ---------- footer ---------- */
.site-footer{background:var(--bg-deep);color:#fff;margin-top:64px;padding:48px 0 24px}
@media (min-width:992px){.site-footer{padding:64px 0 24px;margin-top:96px}}
.footer-grid{display:grid;gap:32px}
@media (min-width:768px){.footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (min-width:992px){.footer-grid{grid-template-columns:1.4fr 1fr 1fr 1fr}}
.site-footer .brand{color:#fff}
.site-footer .brand:hover{color:#fff}
.site-footer .brand__text{color:#fff}
.footer-about{color:rgba(255,255,255,.7);font-size:.875rem;margin:14px 0 0;max-width:320px}
.footer-badges{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.footer-badge{
  display:inline-flex;align-items:center;padding:5px 12px;border-radius:999px;
  border:1px solid rgba(255,255,255,.24);color:rgba(255,255,255,.85);font-size:.75rem;
}
.site-footer h4{color:#fff;font-size:.9375rem;font-weight:600;margin-bottom:14px}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a{color:rgba(255,255,255,.72);font-size:.875rem}
.footer-links a:hover{color:var(--accent-500);text-decoration:underline}
.footer-bottom{
  margin-top:32px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px;
  color:rgba(255,255,255,.6);font-size:.8125rem;
}
.to-top{
  width:44px;height:44px;border-radius:var(--r-md);border:1px solid rgba(255,255,255,.24);
  background:transparent;color:#fff;font-size:1rem;transition:all var(--ease);
}
.to-top:hover{background:rgba(255,255,255,.12)}

@media (prefers-reduced-motion:reduce){
  *{transition-duration:.01ms !important;animation-duration:.01ms !important}
  .tip-card:hover,.entry-row:hover,.chip:hover,.cat-link:hover,.btn-grad:hover{transform:none !important}
}