/* roulang page: index */
:root{
  --brand:#0EA08A;
  --brand-deep:#0B7668;
  --brand-soft:#DFEFEA;
  --gold:#D9A441;
  --ink:#17211E;
  --ink-soft:#55625D;
  --bg:#F5F4EF;
  --surface:#FFFFFF;
  --line:rgba(23,33,30,.12);
  --panel:#17211E;
  --panel-soft:rgba(255,255,255,.06);
  --error:#B45245;
  --r-lg:28px;
  --r-md:18px;
  --r-sm:10px;
  --shadow-sm:0 2px 10px rgba(23,33,30,.04);
  --shadow-md:0 18px 40px rgba(23,33,30,.08);
  --shadow-brand:0 12px 30px rgba(14,160,138,.22);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;font-size:16px;line-height:1.8;color:var(--ink);background:var(--bg);-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
a{color:var(--brand-deep);text-decoration:none;transition:color .2s ease}
a:hover{color:#085f53}
img{max-width:100%;height:auto;display:block}
button,input{font-family:inherit}
p{margin-top:0;margin-bottom:2rem}
h1,h2,h3,h4,h5,h6{margin:0;line-height:1.2;font-weight:800;letter-spacing:-.01em}
ul,ol{padding-left:1.2rem}
:focus-visible{outline:2px solid var(--brand);outline-offset:3px;border-radius:4px}
.container-xl{max-width:1320px;margin:0 auto;padding-left:24px;padding-right:24px}
.container-content{max-width:820px}
section{scroll-margin-top:140px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.55rem;border:none;border-radius:999px;font-weight:600;font-size:1rem;line-height:1;padding:.95rem 1.9rem;transition:all .2s ease;letter-spacing:.01em;white-space:nowrap}
.btn-brand{background:var(--brand-deep);color:#fff;box-shadow:var(--shadow-brand)}
.btn-brand:hover{background:#095d53;color:#fff;transform:translateY(-2px);box-shadow:0 18px 34px rgba(14,160,138,.28)}
.btn-brand:active{transform:translateY(0)}
.btn-gold{background:var(--gold);color:var(--ink)}
.btn-gold:hover{background:#c7953a;color:var(--ink);transform:translateY(-2px)}
.btn-ghost{background:transparent;color:var(--ink);border:1px solid var(--line)}
.btn-ghost:hover{background:rgba(23,33,30,.04);color:var(--ink);border-color:var(--ink-soft)}
.btn-on-dark{background:#fff;color:var(--ink)}
.btn-on-dark:hover{background:var(--brand-soft);color:var(--ink);transform:translateY(-2px)}
.section-title{font-size:clamp(30px,4vw,52px);line-height:1.08;font-weight:800;margin-bottom:.4em}
.section-heading{margin-bottom:3rem}
.section-kicker{display:inline-flex;align-items:center;gap:.45rem;font-size:13px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:var(--brand);background:var(--brand-soft);border-radius:999px;padding:.35rem 1rem;margin-bottom:1rem}
.text-soft{color:var(--ink-soft)}
.text-brand{color:var(--brand)}
/* navigation */
.site-header{position:sticky;top:14px;z-index:1060;margin-top:14px}
.main-nav{display:flex;align-items:center;gap:1.1rem;background:var(--panel);border-radius:var(--r-lg);padding:.8rem .9rem;box-shadow:0 10px 30px rgba(23,33,30,.12);transition:box-shadow .3s ease,border-color .3s ease;border:1px solid rgba(255,255,255,.03)}
.main-nav.is-scrolled{box-shadow:0 18px 42px rgba(23,33,30,.2)}
.nav-logo{display:inline-flex;align-items:center;gap:.7rem;margin-right:.2rem;color:#fff;text-decoration:none}
.logo-mark{display:flex;align-items:center;justify-content:center;width:44px;height:44px;background:linear-gradient(145deg,#19c0a8,#0b7668);color:#fff;border-radius:14px;font-weight:900;font-size:1rem;letter-spacing:-.03em;font-family:ui-monospace,"SF Mono",Consolas,monospace;box-shadow:inset 0 1px 0 rgba(255,255,255,.2)}
.logo-text{font-size:1.12rem;font-weight:800;letter-spacing:.02em;color:#fff;line-height:1.2}
.nav-links{display:flex;align-items:center;gap:.35rem;flex:1}
.nav-link{color:#fff;font-weight:600;font-size:1rem;padding:.7rem 1rem;border-radius:999px;transition:background .2s ease,color .2s ease,transform .2s ease;display:inline-flex;align-items:center;gap:.55rem;text-decoration:none;flex-wrap:nowrap}
.nav-link i{font-size:.9rem;color:rgba(255,255,255,.72)}
.nav-link:hover{background:rgba(255,255,255,.09);color:#fff}
.nav-link.active{color:var(--ink);background:var(--brand-soft)}
.nav-link.active i{color:var(--brand-deep)}
.nav-link.account-active{color:var(--ink);background:var(--brand-soft)}
.nav-link.routed-active{color:var(--ink);background:var(--brand-soft)}
.nav-link.lock-active{color:var(--ink);background:var(--brand-soft)}
.nav-actions{display:flex;align-items:center;gap:.6rem}
.nav-cta{background:var(--gold);color:var(--ink);border-radius:999px;font-weight:600;font-size:.95rem;padding:.65rem 1.4rem;text-decoration:none;transition:.2s ease;white-space:nowrap;display:inline-flex;align-items:center;gap:.5rem}
.nav-cta:hover{background:#c7953a;transform:translateY(-1px);color:var(--ink);box-shadow:0 10px 22px rgba(217,164,65,.22)}
/* hero */
.hero{position:relative;padding:clamp(64px,8vw,130px) 0 90px;overflow:hidden}
.hero::before{content:"";position:absolute;top:-40px;left:0;width:100%;height:100%;background:url('/assets/images/backpic/back-1.webp') no-repeat left top/cover;opacity:.18;mask-image:linear-gradient(120deg,#000 0%,transparent 80%);pointer-events:none}
.hero-inner{position:relative;z-index:1}
.eyebrow{display:inline-flex;align-items:center;gap:.55rem;background:var(--brand-soft);color:var(--brand-deep);font-weight:600;font-size:.85rem;border-radius:999px;padding:.4rem 1rem;margin-bottom:1.6rem;letter-spacing:.04em}
.hero-title{font-size:clamp(42px,6vw,86px);line-height:1.08;letter-spacing:-.02em;color:var(--ink);font-weight:900;margin-bottom:.5em}
.hero-title .accent{display:block;color:var(--brand-deep);}
.hero-sub{font-size:1.1rem;color:var(--ink-soft);max-width:560px;margin-top:1.6rem;line-height:1.85}
.hero-access{display:flex;align-items:center;gap:.6rem;background:#fff;border:1px solid var(--line);border-radius:999px;padding:.5rem .55rem .5rem 1.25rem;margin:2rem 0 1.2rem;max-width:600px;box-shadow:var(--shadow-sm)}
.hero-access .access-key{color:var(--brand);font-size:1.2rem;margin-right:.15rem}
.hero-access input{flex:1;border:none;background:transparent;padding:.5rem .6rem;font-size:1rem;color:var(--ink);outline:none;min-width:0}
.hero-access input::placeholder{color:#9aa29f}
.hero-access .btn{padding:.85rem 1.7rem;font-size:.95rem}
.hero-access-line{display:flex;flex-wrap:wrap;gap:.9rem 2rem;color:var(--ink-soft);font-size:.92rem;list-style:none;padding:0;margin:0}
.hero-access-line li{display:inline-flex;align-items:center;gap:.5rem}
.hero-access-line i{color:var(--brand)}
.hero-visual{position:relative;padding-left:1rem}
.hero-visual .visual-card{background:var(--panel);border-radius:var(--r-lg);padding:.8rem;height:100%;position:relative;box-shadow:var(--shadow-md)}
.hero-visual img{border-radius:calc(var(--r-lg) - 8px);object-fit:cover;width:100%;aspect-ratio:5/4}
.hero-visual-badge{position:absolute;top:-22px;right:14px;background:var(--gold);color:var(--ink);border-radius:16px;padding:.65rem 1.3rem;font-weight:700;font-size:.95rem;box-shadow:0 12px 30px rgba(217,164,65,.24)}
.hero-visual-badge i{margin-right:.35rem}
.hero-stats{display:flex;flex-wrap:wrap;gap:2rem 4rem;justify-content:space-between;border-top:1px solid var(--line);margin-top:5rem;padding-top:2.2rem}
.stat-item strong{display:block;font-size:2.4rem;line-height:1;font-weight:800;color:var(--ink);font-feature-settings:"tnum";letter-spacing:-.04em}
.stat-item strong em{font-style:normal;color:var(--brand)}
.stat-item span{font-size:.95rem;color:var(--ink-soft)}
/* features */
.section-features{background:#fff;border-radius:44px 44px 0 0;padding:clamp(90px,9vw,140px) 0}
.feature-grid{display:grid;grid-template-columns:1.1fr .9fr;grid-template-rows:1fr 1fr;gap:1.5rem}
.feature-card{position:relative;border-radius:var(--r-lg);overflow:hidden;transition:transform .3s ease,box-shadow .3s ease,border-color .3s ease}
.feature-card-main{background:var(--panel);color:#fff;padding:3rem;grid-row:span 2;display:flex;flex-direction:column;justify-content:flex-end;min-height:430px}
.feature-card-main::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(23,33,30,.14) 0%,rgba(23,33,30,.2) 100%);pointer-events:none}
.feature-card-main .feature-card-content{position:relative;z-index:1}
.feature-card-main .feature-bg{position:absolute;inset:0;z-index:0;object-fit:cover;width:100%;height:100%;opacity:.55}
.feature-card{background:#fff;border:1px solid var(--line)}
.feature-card-light{padding:2rem;display:flex;flex-direction:column;justify-content:space-between;gap:1.5rem;min-height:200px}
.feature-icon{display:flex;align-items:center;justify-content:center;width:56px;height:56px;border-radius:16px;background:var(--brand-soft);color:var(--brand-deep);font-size:1.4rem;flex-shrink:0;margin-bottom:1.5rem}
.feature-card-main .feature-icon{background:rgba(255,255,255,.12);color:var(--gold)}
.feature-card h3{font-size:1.6rem;font-weight:800;margin-bottom:.5em}
.feature-card p{color:var(--ink-soft);font-size:.98rem;margin-bottom:1.3rem}
.feature-card-main p{color:rgba(255,255,255,.72)}
.feature-link{display:inline-flex;align-items:center;gap:.4rem;font-weight:600;font-size:.9rem;text-decoration:none;color:var(--brand-deep)}
.feature-card-main .feature-link{color:var(--gold)}
.feature-link i{transition:transform .2s ease}
.feature-link:hover i{transform:translateX(4px)}
.feature-card::after{content:"";position:absolute;left:0;bottom:0;height:3px;width:0;background:var(--brand);transition:width .35s ease}
.feature-card:hover::after{width:100%}
.feature-card:hover{box-shadow:var(--shadow-md);transform:translateY(-4px)}
.feature-card-main::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 10%,rgba(0,0,0,.55) 100%);pointer-events:none}
.feature-card-main:hover::before{width:100%}
/* scenarios */
.section-scenarios{padding:clamp(90px,9vw,140px) 0}
.scenario-side{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:1.5rem;height:100%}
.scenario-tabs{list-style:none;padding:0;margin:0}
.scenario-tab{display:flex;align-items:center;width:100%;border:none;background:transparent;border-radius:var(--r-md);padding:1.1rem 1.4rem;text-align:left;gap:1.1rem;transition:.2s ease;border-bottom:1px solid var(--line)}
.scenario-tab:last-child{border-bottom:none}
.scenario-tab .idx{font-size:1.1rem;font-weight:800;color:var(--brand);opacity:.6;font-variant-numeric:tabular-nums;min-width:1.6rem}
.scenario-tab .name{font-weight:700;font-size:1.05rem;color:var(--ink)}
.scenario-tab.active{background:var(--panel)}
.scenario-tab.active .idx{color:var(--gold);opacity:1}
.scenario-tab.active .name{color:#fff}
.scenario-panel{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:2.5rem;height:100%;position:relative;overflow:hidden;display:none}
.scenario-panel.show{display:block}
.scenario-panel figure{margin:0 0 1.5rem;border-radius:var(--r-md);overflow:hidden}
.scenario-panel img{width:100%;aspect-ratio:16/9;object-fit:cover}
.scenario-panel h3{font-size:1.6rem;margin-bottom:.65rem}
.scenario-panel p:last-child{margin-bottom:0}
.scenario-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:1.5rem;align-items:stretch}
/* case */
.section-cases{padding:clamp(90px,9vw,140px) 0;background:#fff;border-radius:44px}
.case-main{background:var(--panel);border-radius:var(--r-lg);padding:3rem;color:#fff;position:relative;overflow:hidden;height:100%}
.case-main img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.26}
.case-main .case-body{position:relative;z-index:1;height:100%;display:flex;flex-direction:column;justify-content:flex-end}
.case-badge{display:inline-flex;background:var(--gold);color:var(--ink);font-size:.8rem;padding:.3rem .8rem;border-radius:20px;margin-bottom:1.2rem;font-weight:700}
.case-main h3{font-size:2.4rem;line-height:1.18;margin-bottom:.6rem;color:#fff}
.case-main p{color:rgba(255,255,255,.72);max-width:90%;margin-bottom:1rem}
.case-kpis{display:flex;gap:1.5rem;margin-top:1rem}
.case-kpis .case-kpi strong{font-size:1.9rem;display:block;color:var(--gold)}
.case-kpis .case-kpi span{font-size:.8rem;color:rgba(255,255,255,.6)}
.case-side{display:flex;flex-direction:column;gap:1rem;height:100%}
.case-item{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:2rem;position:relative;overflow:hidden;transition:border-color .2s ease,transform .2s ease}
.case-item:hover{border-color:var(--brand);transform:translateY(-3px)}
.case-item::before{content:"";position:absolute;left:0;top:0;width:4px;height:100%;background:var(--brand)}
.case-item small{text-transform:uppercase;letter-spacing:.07em;font-size:.75rem;color:var(--ink-soft);display:block;margin-bottom:.4rem}
.case-item h4{font-size:1.2rem;margin-bottom:.35rem}
.case-item p{margin-bottom:1rem;color:var(--ink-soft);font-size:.9rem}
.case-item strong{font-size:1.7rem;color:var(--brand-deep);font-variant-numeric:tabular-nums;letter-spacing:-.03em}
/* pricing */
.section-price{padding:clamp(90px,9vw,140px) 0}
.price-note{font-size:.85rem;padding-top:1.2rem;color:var(--ink-soft)}
.price-card{display:flex;flex-direction:column;height:100%;border:1px solid var(--line);border-radius:28px;padding:2.4rem;background:#fff;transition:transform .25s ease,box-shadow .25s ease;position:relative}
.price-head{margin-bottom:1.6rem}
.price-name{font-weight:800;font-size:1.3rem;display:flex;align-items:center;gap:.6rem}
.price-tag{color:var(--ink-soft);margin-top:.1rem;font-size:.9rem}
.price-value{font-size:2.8rem;font-weight:900;line-height:1;margin-top:1rem;letter-spacing:-.03em}
.price-value span{font-size:.95rem;font-weight:500;color:var(--ink-soft);letter-spacing:0}
.price-list{list-style:none;padding:0;margin:1.6rem 0 2rem;display:grid;gap:.8rem;flex:1}
.price-list li{display:flex;align-items:flex-start;gap:.8rem;font-size:.95rem;color:var(--ink-soft)}
.price-list li i{color:var(--brand);padding-top:.2rem}
.price-card.featured{background:var(--panel);border-color:var(--panel);color:#fff;box-shadow:var(--shadow-md)}
.price-card.featured .price-list li{color:rgba(255,255,255,.75)}
.price-card.featured .price-list li i{color:var(--gold)}
.price-badge{position:absolute;top:2rem;right:2rem;background:var(--gold);color:var(--ink);font-size:.75rem;font-weight:800;border-radius:20px;padding:.45rem 1.1rem}
.featured-price{color:#fff;margin-top:1rem}
.featured-price span{color:rgba(255,255,255,.5)}
/* news */
.section-news{background:#fff;padding:clamp(90px,9vw,120px) 0;border-radius:44px}
.news-layout{display:grid;grid-template-columns:1.15fr .85fr;gap:1.5rem}
.news-large{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;transition:box-shadow .3s ease,transform .3s ease;display:flex;padding:0;color:inherit}
.news-large:hover{transform:translateY(-3px);box-shadow:var(--shadow-md)}
.news-large-thumb{background:var(--panel);min-height:320px;flex:1;position:relative}
.news-large-thumb img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.news-large-thumb::after{content:"";position:absolute;inset:0;background:linear-gradient(0deg,rgba(0,0,0,.3),transparent 60%)}
.news-card-body{padding:2rem;flex:1;display:flex;flex-direction:column;justify-content:center;align-items:flex-start}
.news-tag{background:var(--brand-soft);color:var(--brand-deep);border-radius:20px;font-size:.75rem;font-weight:600;padding:.25rem .8rem;margin-bottom:.9rem;text-transform:uppercase;letter-spacing:.04em;display:inline-block}
.news-time{color:var(--ink-soft);font-size:.85rem;margin-top:.8rem;display:inline-flex;align-items:center;gap:.4rem}
.news-card-body h3{font-size:1.5rem;line-height:1.3;color:var(--ink)}
.news-card-body p{color:var(--ink-soft);font-size:.92rem;margin:1rem 0 0}
.news-sub-list{display:flex;flex-direction:column;gap:1rem}
.news-sub-item{background:#fff;border:1px solid var(--line);border-radius:22px;padding:1.4rem;transition:border-color .2s,transform .2s;display:flex;flex-direction:column;gap:.4rem;color:inherit}
.news-sub-item:hover{border-color:var(--brand);color:inherit;transform:translateY(-2px)}
.news-sub-item h4{font-size:1.05rem;margin:.4rem 0 0;color:var(--ink)}
.news-sub-item .news-sub-time{font-size:.8rem;color:var(--ink-soft)}
.news-sub-item .news-btn{color:var(--brand-deep);font-size:.85rem;font-weight:600;display:inline-flex;align-items:center;gap:.4rem}
.news-sub-item .news-btn i{transition:transform .2s}
.news-sub-item:hover .news-btn i{transform:translateX(3px)}
.empty-state{border:1px dashed var(--line);border-radius:var(--r-lg);display:flex;align-items:center;justify-content:center;min-height:240px;color:var(--ink-soft);background:var(--bg);margin-top:1rem}
.empty-state i{display:block;font-size:1.6rem;margin-bottom:.6rem;color:#b9c5c1}
.empty-state .inner{text-align:center;font-size:.95rem;padding:2rem}
/* faq */
.section-faq{padding:clamp(90px,9vw,130px) 0}
.faq-wrap{max-width:820px;margin:0 auto}
.faq-item{border-bottom:1px solid var(--line)}
.faq-summary{list-style:none;cursor:pointer;padding:1.4rem .2rem;display:flex;align-items:center;justify-content:space-between;gap:1rem;font-weight:700;color:var(--ink);font-size:1.08rem;transition:color .2s}
.faq-summary::-webkit-details-marker{display:none}
.faq-summary:hover{color:var(--brand-deep)}
.faq-icon{flex-shrink:0;display:flex;align-items:center;justify-content:center;width:28px;height:28px;border-radius:50%;background:var(--brand-soft);color:var(--brand-deep);font-size:.9rem;transition:transform .25s ease}
.faq-item[open] .faq-icon{background:var(--brand-deep);color:#fff;transform:rotate(45deg)}
.faq-item[open] .faq-summary{color:var(--brand-deep)}
details.faq-item{border-bottom:1px solid var(--line)}
.faq-content{padding:0 .2rem 1.4rem;color:var(--ink-soft);max-width:760px}
.faq-content p:last-child{margin-bottom:0}
/* cta panel */
.cta-wrap{padding:0 0 110px}
.cta-panel{background:var(--panel);border-radius:40px;color:#fff;padding:clamp(3rem,6vw,6rem);position:relative;overflow:hidden;display:flex;align-items:center;justify-content:space-between;gap:3rem;flex-wrap:wrap}
.cta-panel::before{content:"";position:absolute;right:-120px;top:-120px;width:360px;height:360px;background:url('/assets/images/backpic/back-2.png') no-repeat center center/cover;opacity:.2;border-radius:50px;transform:rotate(-12deg)}
.cta-panel::after{content:"";position:absolute;left:30%;bottom:-30px;width:220px;height:220px;background:url('/assets/images/backpic/back-3.png') no-repeat center center/cover;opacity:.15;transform:rotate(8deg)}
.cta-title{font-size:clamp(24px,4vw,48px);line-height:1.1;font-weight:800;color:#fff;position:relative;z-index:1;margin-bottom:.7rem}
.cta-panel p{color:rgba(255,255,255,.68);font-size:1.05rem;position:relative;z-index:1;margin:0 0 1.5rem;max-width:520px}
.cta-action{position:relative;z-index:1;flex-shrink:0}
.cta-btn{background:var(--gold);color:var(--ink);border-radius:999px;font-weight:700;padding:1.15rem 2.4rem;text-decoration:none;display:inline-flex;align-items:center;gap:.7rem;transition:.2s ease;box-shadow:0 15px 34px rgba(0,0,0,.18)}
.cta-btn:hover{transform:translateY(-2px);background:#d3a343;color:var(--ink)}
/* footer */
.site-footer{padding:0 0 20px}
.footer-panel{background:var(--panel);border-radius:40px;padding:4.5rem 0 2.5rem;color:rgba(255,255,255,.72);position:relative;overflow:hidden}
.footer-inner{padding-left:4rem;padding-right:4rem}
.footer-top{display:flex;justify-content:space-between;gap:3rem;flex-wrap:wrap;margin-bottom:3rem}
.footer-brand .logo-text{color:#fff}
.footer-brand p{max-width:320px;font-size:.92rem;margin-top:1rem;color:rgba(255,255,255,.55)}
.footer-links{display:flex;gap:2.4rem;flex-wrap:wrap}
.footer-col h5{font-size:1rem;color:#fff;font-weight:700;margin-bottom:1.1rem}
.footer-col a{display:flex;align-items:center;gap:.4rem;color:rgba(255,255,255,.58);text-decoration:none;font-size:.9rem;padding:.35rem 0;transition:.2s}
.footer-col a:hover{color:var(--gold);transform:translateX(3px)}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);padding-top:1.8rem;margin-top:2.5rem;display:flex;justify-content:space-between;gap:1rem;flex-wrap:wrap;font-size:.85rem;color:rgba(255,255,255,.42)}
.footer-bottom a{color:rgba(255,255,255,.82);text-decoration:none}
.footer-bottom a:hover{color:var(--gold)}
/* reveal */
.reveal{opacity:0;transform:translateY(8px);transition:opacity .45s ease,transform .45s ease}
.reveal.visible{opacity:1;transform:none}
/* media */
@media (min-width:1200px){
  .feature-grid{grid-template-columns:1.15fr .85fr}
}
@media (max-width:1199.98px){
  .news-layout{grid-template-columns:1fr}
  .news-large{flex-direction:row}
}
@media (max-width:991.98px){
  .feature-grid{grid-template-columns:1fr}
  .feature-card-main{grid-row:auto;min-height:360px}
  .scenario-grid{grid-template-columns:1fr}
  .scenario-panel{min-height:320px}
  .site-header{top:8px;margin-top:8px}
  .main-nav{flex-wrap:wrap}
  .nav-logo{order:1}
  .nav-actions{order:2;margin-left:auto}
  .nav-links{order:3;width:100%;overflow-x:auto;flex-wrap:nowrap;-webkit-overflow-scrolling:touch;scrollbar-width:none}
  .nav-links::-webkit-scrollbar{display:none}
  .nav-link{flex:0 0 auto;padding:.55rem .9rem}
  .logo-text{font-size:.98rem}
  .case-main{padding:2.2rem}
}
@media (max-width:767.98px){
  .container-xl{padding-left:16px;padding-right:16px}
  .hero::after{opacity:.16}
  .hero-title{font-size:clamp(34px,8vw,58px)}
  .hero-access{flex-wrap:wrap;border-radius:24px;padding:1rem}
  .hero-access input{width:100%;flex:none;border:1px solid var(--line);border-radius:999px;background:#fff}
  .hero-access .btn{width:100%}
  .section-heading{padding-right:5rem}
  .section-cases{border-radius:0}
  .feature-card-main,.feature-card-light,.case-main{padding:2rem}
  .price-card.featured{margin-top:0}
  .footer-inner{padding-left:2rem;padding-right:2rem}
  .cta-panel{flex-direction:column;padding-left:2rem;padding-right:2rem;border-radius:32px}
  .cta-action{width:100%}
  .cta-btn{width:100%;justify-content:center}
  .footer-top{flex-direction:column}
}
@media (max-width:575.98px){
  body{font-size:15px}
  .site-header{margin-left:0;margin-right:0}
  .main-nav{border-radius:22px;margin:0}
  .nav-cta{font-size:.82rem;padding:.6rem 1.1rem;gap:.3rem}
  .logo-mark{width:38px;height:38px;font-size:.85rem;border-radius:12px}
  .logo-text{font-size:.9rem;max-width:130px;overflow:hidden;white-space:nowrap;text-overflow:ellipsis}
  .hero{padding-top:50px;padding-bottom:56px}
  .hero-sub{font-size:.98rem}
  .hero-access-line{gap:.8rem 1rem;font-size:.82rem}
  .stat-item strong{font-size:1.8rem}
  .feature-icon{width:46px;height:46px;font-size:1.1rem;border-radius:14px;margin-bottom:1rem}
  .scenario-panel{padding:1.4rem}
  .news-large-thumb img{position:static;width:100%;aspect-ratio:16/9;object-fit:cover}
  .news-large{flex-direction:column}
  footer .col-links{flex-direction:column;gap:2rem}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important}
  html{scroll-behavior:auto}
  .reveal{opacity:1;transform:none}
}

/* roulang page: category1 */
:root {
  --brand: #0EA08A;
  --brand-deep: #0B7668;
  --brand-soft: #DFEFEA;
  --gold: #D9A441;
  --ink: #17211E;
  --ink-soft: #55625D;
  --bg: #F5F4EF;
  --surface: #FFFFFF;
  --line: rgba(23, 33, 30, 0.12);
  --panel: #17211E;
  --panel-soft: rgba(255, 255, 255, 0.06);
  --error: #B45245;
  --r-lg: 28px;
  --r-md: 18px;
  --r-sm: 10px;
  --shadow-soft: 0 14px 40px rgba(23, 33, 30, 0.06);
  --font-sans: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 118px;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 16.5px;
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
}

body.menu-open { overflow: hidden; }
* { box-sizing: border-box; }
img { max-width: 100%; height: auto; display: block; }
a { color: var(--brand-deep); text-decoration: none; transition: color .2s ease, background-color .2s ease, border-color .2s ease, box-shadow .2s ease, transform .2s ease; }
a:hover { color: #095F54; }
a:focus-visible, button:focus-visible, summary:focus-visible, input:focus-visible {
  outline: 2px solid var(--brand);
  outline-offset: 3px;
  border-radius: 6px;
}

.container-xl {
  width: min(1320px, 100% - 48px);
  margin-right: auto;
  margin-left: auto;
}

.section-space {
  padding: 86px 0 112px;
}

.site-header {
  position: sticky;
  top: 12px;
  z-index: 1000;
  padding-top: 0;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 14px;
  background: var(--panel);
  border-radius: 26px;
  min-height: 76px;
  padding: 10px 14px;
  box-shadow: 0 20px 45px rgba(23, 33, 30, 0.14);
  position: relative;
}

.nav-logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  flex: none;
  margin-right: 4px;
}

.logo-mark {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border-radius: 14px;
  background: var(--brand);
  color: #08201b;
  font-size: 15px;
  font-weight: 900;
  letter-spacing: 0.04em;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.35);
}

.logo-text {
  color: #fff;
  font-weight: 800;
  font-size: 16px;
  letter-spacing: 0.01em;
  white-space: nowrap;
}

.nav-links {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  min-width: 0;
}

.nav-links .nav-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  height: 46px;
  padding: 0 16px;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.03);
  color: rgba(255, 255, 255, 0.72);
  font-size: 15px;
  font-weight: 600;
  position: relative;
  line-height: 1;
  white-space: nowrap;
}

.nav-links .nav-link i {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.55);
  transition: color .2s ease;
}

.nav-links .nav-link:hover {
  color: #fff;
  background: rgba(255, 255, 255, 0.11);
  transform: translateY(-1px);
}

.nav-links .nav-link:hover i {
  color: var(--brand);
}

.nav-links .nav-link.active {
  background: #fff;
  color: var(--ink);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.18);
}

.nav-links .nav-link.active::before {
  content: "";
  position: absolute;
  left: 12px;
  top: 9px;
  width: 6px;
  height: 6px;
  border-radius: 999px;
  background: var(--brand);
}

.nav-links .nav-link.active i {
  color: var(--brand-deep);
}

.nav-actions {
  flex: none;
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  height: 46px;
  padding: 0 19px;
  border-radius: 14px;
  background: var(--gold);
  border: 1px solid rgba(255, 255, 255, 0.15);
  color: #17211e !important;
  font-weight: 800;
  font-size: 15px;
  white-space: nowrap;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.45);
  transition: box-shadow .2s ease, transform .2s ease;
}

.nav-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 28px rgba(217, 164, 65, 0.32), inset 0 1px 0 rgba(255, 255, 255, 0.55);
  color: #17211e;
}

body::before {
  content: "";
  pointer-events: none;
  position: fixed;
  inset: 0;
  background: radial-gradient(420px 300px at 8% 2%, rgba(14, 160, 138, 0.10), transparent 70%),
    radial-gradient(500px 420px at 100% 25%, rgba(217, 164, 65, 0.06), transparent 60%);
  z-index: -1;
}

.category-hero {
  padding: 56px 0 24px;
}

.hero-panel {
  position: relative;
  overflow: hidden;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 34px;
  box-shadow: var(--shadow-soft);
  min-height: 380px;
  display: flex;
  align-items: center;
  padding: 32px 30px 30px;
}

.hero-panel::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(110deg, rgba(255, 255, 255, 0.72), rgba(255, 255, 255, 0.90)),
    url('/assets/images/backpic/back-2.png') center / cover no-repeat;
  opacity: .28;
}

.hero-content {
  position: relative;
  z-index: 2;
  padding-right: 26px;
}

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  margin: 0 0 18px;
  font-size: 14px;
  color: var(--ink-soft);
}

.breadcrumb a {
  color: var(--brand-deep);
  font-weight: 600;
}

.breadcrumb .separator {
  color: rgba(23, 33, 30, 0.35);
}

.breadcrumb .current {
  color: var(--ink-soft);
  font-weight: 500;
}

.category-title {
  font-size: clamp(34px, 5vw, 64px);
  line-height: 1.08;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin: 0 0 18px;
}

.category-title .text-brand {
  color: var(--brand-deep);
}

.hero-tagline {
  max-width: 620px;
  color: var(--ink-soft);
  font-size: 17px;
  line-height: 1.85;
}

.hero-media {
  position: relative;
  height: 310px;
  border-radius: 26px;
  overflow: hidden;
  background: var(--brand-soft);
  box-shadow: 0 18px 50px rgba(23, 33, 30, 0.18);
  border: 6px solid rgba(255, 255, 255, 0.8);
}

.hero-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-media .media-tag {
  position: absolute;
  left: 16px;
  bottom: 16px;
  background: var(--panel);
  color: #fff;
  font-size: 13px;
  font-weight: 700;
  padding: 8px 14px;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.hero-media .media-tag i {
  color: var(--brand);
}

.guide-layout {
  padding: 58px 0 70px;
}

.guide-side {
  position: sticky;
  top: 112px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-bottom: 20px;
}

.side-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 24px;
  padding: 22px;
}

.side-card h4,
.side-card h5 {
  margin: 0 0 12px;
  font-size: 17px;
  font-weight: 800;
  display: flex;
  align-items: center;
  gap: 8px;
}

.side-card h4 i,
.side-card h5 i {
  color: var(--brand-deep);
}

.side-nav {
  display: flex;
  flex-direction: column;
}

.side-nav a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding: 9px 8px;
  border-bottom: 1px dashed rgba(23, 33, 30, 0.17);
  color: var(--ink);
  font-size: 14.5px;
  font-weight: 600;
  border-radius: 8px;
}

.side-nav a:last-child {
  border-bottom: 0;
}

.side-nav a:hover {
  color: var(--brand-deep);
  background: var(--brand-soft);
  padding-left: 14px;
}

.side-nav a i {
  color: var(--brand-deep);
  font-size: 12px;
  opacity: .8;
}

.side-alert {
  background: var(--panel);
  color: rgba(255, 255, 255, 0.78);
  border-radius: 24px;
  padding: 22px;
  position: relative;
  overflow: hidden;
}

.side-alert::after {
  content: "AYX";
  position: absolute;
  right: -6px;
  bottom: -18px;
  font-size: 72px;
  font-weight: 900;
  color: rgba(255, 255, 255, 0.045);
  letter-spacing: .02em;
  line-height: 1;
}

.side-alert h5 {
  color: #fff;
  font-weight: 800;
}

.side-alert h5 i {
  color: var(--gold);
}

.side-alert p {
  font-size: 14px;
  line-height: 1.7;
  margin-bottom: 8px;
  position: relative;
  z-index: 1;
}

.guide-content {
  width: min(100%, 980px);
  margin-left: auto;
}

.guide-section {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  padding: 38px;
  margin-bottom: 24px;
  box-shadow: var(--shadow-soft);
}

.guide-section.is-deep {
  background: var(--panel);
  color: rgba(255, 255, 255, 0.82);
}

.section-overline {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--brand-deep);
  font-weight: 800;
  letter-spacing: .08em;
  text-transform: uppercase;
  font-size: 13px;
  margin-bottom: 8px;
}

.is-deep .section-overline {
  color: var(--brand);
}

.guide-section h2 {
  font-size: clamp(25px, 3vw, 34px);
  font-weight: 800;
  line-height: 1.3;
  margin: 0 0 16px;
  color: var(--ink);
  letter-spacing: -0.01em;
}

.guide-section.is-deep h2 {
  color: #fff;
}

.guide-section h3 {
  font-size: 21px;
  font-weight: 800;
  margin: 26px 0 10px;
}

.guide-section h3 i {
  color: var(--brand-deep);
  margin-right: 6px;
}

.guide-section p {
  color: var(--ink-soft);
  margin-bottom: 15px;
}

.guide-section.is-deep p {
  color: rgba(255, 255, 255, 0.66);
}

.content-divider {
  height: 1px;
  background: var(--line);
  margin: 20px 0 24px;
}

.vn {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 24px;
}

.vn-num {
  color: var(--gold);
  font-size: 14px;
  letter-spacing: .08em;
  font-weight: 800;
  font-feature-settings: "tnum";
}

.text-lead {
  font-size: 18px;
  line-height: 1.85;
  color: var(--ink);
  font-weight: 500;
}

.metric-line {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  padding: 18px 0 6px;
  border-top: 1px solid var(--line);
}

.metric-line span {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--ink-soft);
  font-size: 14px;
  font-weight: 600;
}

.metric-line span i {
  color: var(--brand-deep);
}

.metric-line strong {
  font-size: 20px;
  color: var(--ink);
}

.check-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 14px;
  margin: 28px 0 8px;
}

.check-item {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 22px;
  position: relative;
  transition: border-color .2s ease, box-shadow .2s ease;
}

.check-item:hover {
  border-color: rgba(14, 160, 138, 0.55);
  box-shadow: 0 12px 32px rgba(14, 160, 138, 0.08);
}

.check-item .step-badge {
  display: inline-grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border-radius: 13px;
  background: var(--brand-soft);
  color: var(--brand-deep);
  font-weight: 900;
  font-size: 18px;
  margin-bottom: 14px;
}

.check-item:nth-child(2) .step-badge {
  background: rgba(217, 164, 65, 0.18);
  color: #9d7120;
}

.check-item:nth-child(3) .step-badge {
  background: var(--panel);
  color: var(--brand);
}

.check-item h3 {
  font-size: 17px;
  font-weight: 800;
  margin: 0 0 8px;
}

.check-item p {
  font-size: 14.5px;
  line-height: 1.75;
  margin-bottom: 0;
}

.step-list {
  list-style: none;
  padding: 0;
  margin: 20px 0 0;
  counter-reset: route-step;
}

.step-list li {
  counter-increment: route-step;
  display: flex;
  gap: 16px;
  padding: 14px 0;
  border-bottom: 1px dashed rgba(23, 33, 30, 0.14);
  align-items: flex-start;
}

.step-list li:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.step-list li::before {
  content: counter(route-step, decimal-leading-zero);
  color: var(--brand-deep);
  font-weight: 900;
  font-size: 18px;
  min-width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  background: var(--brand-soft);
  border-radius: 14px;
  flex: none;
}

.step-list .step-content strong {
  display: block;
  font-size: 16px;
  margin-bottom: 2px;
  font-weight: 800;
}

.step-list .step-content p {
  margin-bottom: 0;
  font-size: 15px;
}

.is-deep .guide-section h2 { color: #fff; }
.is-deep .step-list li { border-color: rgba(255,255,255,0.12); }
.is-deep .step-list li::before { background: rgba(255,255,255,0.12); color: var(--brand); }
.is-deep .step-list .step-content strong { color: #fff; }
.is-deep .step-list .step-content p { color: rgba(255, 255, 255, 0.65); }

.scene-split {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(0, 0.75fr);
  gap: 16px;
  margin-top: 20px;
}

.scene-cover {
  position: relative;
  min-height: 260px;
  border-radius: 22px;
  overflow: hidden;
  padding: 24px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  color: #fff;
  background: linear-gradient(180deg, rgba(23,33,30,0) 0%, rgba(23,33,30,0.18) 40%, rgba(23,33,30,0.92) 100%),
    url('/assets/images/backpic/back-1.webp') center / cover no-repeat;
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.scene-cover h3 {
  font-size: 22px;
  font-weight: 800;
  color: #fff;
  margin-bottom: 4px;
}

.scene-cover p {
  max-width: 360px;
  font-size: 14.5px;
  color: rgba(255,255,255,.75);
  margin-bottom: 0;
}

.scene-side {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.scene-mini {
  flex: 1;
  border: 1px solid var(--line);
  border-radius: 20px;
  background: var(--surface);
  padding: 18px 18px 14px;
  display: flex;
  gap: 12px;
  align-items: flex-start;
  transition: border-color .2s ease;
}

.scene-mini:hover {
  border-color: var(--brand);
}

.scene-mini i {
  font-size: 16px;
  color: var(--brand-deep);
  background: var(--brand-soft);
  width: 38px;
  height: 38px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  flex: none;
}

.scene-mini strong {
  display: block;
  font-size: 15.5px;
  margin-bottom: 2px;
}

.scene-mini span {
  font-size: 13.5px;
  color: var(--ink-soft);
  line-height: 1.6;
}

.resource-row {
  display: grid;
  grid-template-columns: minmax(240px, 0.9fr) minmax(0, 1.1fr);
  gap: 28px;
  margin-top: 20px;
}

.resource-pic {
  border-radius: 24px;
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--brand-soft);
  aspect-ratio: 4 / 3;
}

.resource-pic img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.resource-info {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 14px;
}

.resource-info h4 {
  font-size: 22px;
  font-weight: 800;
  margin-bottom: 0;
  color: var(--ink);
}

.resource-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.resource-list li {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  color: var(--ink-soft);
  font-size: 15px;
  line-height: 1.7;
}

.resource-list li i {
  margin-top: 5px;
  color: var(--brand-deep);
  font-size: 13px;
}

.notice-block {
  margin-top: 18px;
  background: var(--brand-soft);
  border-radius: 16px;
  padding: 16px 18px;
  display: flex;
  gap: 12px;
  color: #234c41;
  font-size: 14px;
  line-height: 1.7;
}

.notice-block i {
  color: var(--brand-deep);
  font-size: 17px;
  margin-top: 3px;
}

.notice-block p {
  margin: 0;
  color: inherit;
  font-size: 14px;
}

.dark-gold-card {
  background: linear-gradient(118deg, rgba(23,33,30,0.98), rgba(23,33,30,0.84)), url('/assets/images/backpic/back-3.png') center / cover no-repeat;
  border-radius: 26px;
  padding: 28px;
  color: #fff;
  border: 1px solid rgba(255,255,255,0.08);
  position: relative;
  overflow: hidden;
}

.dark-gold-card h3 {
  color: #fff;
  font-size: 21px;
}

.dark-gold-card h3 i {
  color: var(--gold);
}

.dark-gold-card p {
  color: rgba(255,255,255,.7);
}

.dark-gold-card .btn-line {
  border-color: rgba(255,255,255,0.24);
  color: #fff;
}

.dark-gold-card .btn-line:hover {
  background: #fff;
  color: var(--ink);
  border-color: #fff;
}

.faq-area {
  position: relative;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  padding: 38px;
  box-shadow: var(--shadow-soft);
  max-width: 900px;
  margin: 0 auto;
}

.faq-area h2 {
  font-size: clamp(26px, 3vw, 36px);
  font-weight: 800;
  margin-bottom: 8px;
}

.faq-area .faq-lead {
  color: var(--ink-soft);
  font-size: 16px;
  margin-bottom: 24px;
}

.faq-list {
  border-top: 1px solid var(--line);
}

.faq-item {
  border-bottom: 1px solid var(--line);
}

.faq-item summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  gap: 15px;
  align-items: center;
  padding: 21px 4px;
  font-size: 17px;
  font-weight: 700;
  color: var(--ink);
  border-radius: 8px;
  position: relative;
}

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

.faq-item summary .faq-icon {
  flex: none;
  display: grid;
  place-items: center;
  width: 30px;
  height: 30px;
  border-radius: 10px;
  background: var(--brand-soft);
  color: var(--brand-deep);
  transition: transform .25s ease, background-color .25s ease, color .25s ease;
}

.faq-item summary .faq-icon i {
  font-size: 13px;
}

.faq-item[open] summary .faq-icon {
  transform: rotate(180deg);
  background: var(--brand-deep);
  color: #fff;
}

.faq-item .faq-body {
  padding: 0 4px 22px 49px;
  color: var(--ink-soft);
  font-size: 15px;
  line-height: 1.8;
}

.faq-item .faq-body p:last-child {
  margin-bottom: 0;
}

.cta-band {
  padding: 56px 0 104px;
}

.cta-panel {
  position: relative;
  overflow: hidden;
  background: var(--panel);
  border-radius: 34px;
  padding: 48px 54px;
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  box-shadow: 0 30px 70px rgba(23, 33, 30, 0.18);
}

.cta-panel::after {
  content: "AYX";
  position: absolute;
  right: -20px;
  bottom: -48px;
  font-size: 190px;
  font-weight: 900;
  color: rgba(255,255,255,0.03);
  letter-spacing: .02em;
  line-height: 1;
  pointer-events: none;
  z-index: 0;
}

.cta-panel > * {
  position: relative;
  z-index: 1;
}

.cta-panel h2 {
  color: #fff;
  font-size: clamp(27px, 3vw, 45px);
  margin-bottom: 12px;
  font-weight: 800;
  letter-spacing: -0.01em;
}

.cta-panel p {
  max-width: 600px;
  color: rgba(255,255,255,.66);
  margin-bottom: 0;
  font-size: 16px;
}

.cta-actions {
  display: flex;
  flex-direction: column;
  gap: 10px;
  align-items: stretch;
}

.btn-solid,
.btn-ghost {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 50px;
  padding: 0 22px;
  border-radius: 14px;
  font-weight: 800;
  font-size: 15px;
  white-space: nowrap;
  gap: 8px;
  transition: transform .18s ease, box-shadow .18s ease, background-color .18s ease, color .18s ease, border-color .18s ease;
  border: 1px solid transparent;
}

.btn-solid {
  background: var(--gold);
  color: #17211e !important;
  box-shadow: 0 8px 24px rgba(217, 164, 65, 0.22);
}

.btn-solid:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 36px rgba(217, 164, 65, 0.28);
}

.btn-ghost {
  background: transparent;
  border-color: rgba(255,255,255,0.3);
  color: #fff !important;
}

.btn-ghost:hover {
  background: rgba(255,255,255,0.13);
  border-color: rgba(255,255,255,0.5);
  transform: translateY(-2px);
}

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

.btn-back:hover {
  background: var(--brand-soft);
  border-color: var(--brand-deep);
  color: var(--brand-deep);
}

.site-footer {
  padding: 0 0 28px;
}

.footer-panel {
  background: var(--panel);
  border-radius: 34px;
  color: rgba(255, 255, 255, 0.68);
  padding: 52px 46px 30px;
  position: relative;
}

.footer-inner {
  position: relative;
  z-index: 1;
}

.footer-top {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(280px, 0.9fr);
  gap: 46px;
  margin-bottom: 36px;
}

.footer-brand p {
  max-width: 420px;
  margin-top: 14px;
  color: rgba(255, 255, 255, 0.58);
  font-size: 14px;
  line-height: 1.75;
}

.footer-brand .nav-logo {
  margin-left: -4px;
}

.footer-links {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 22px;
}

.footer-col h5 {
  color: #fff;
  font-size: 15px;
  margin-bottom: 10px;
  letter-spacing: .02em;
  font-weight: 800;
}

.footer-col a {
  display: block;
  padding: 5px 0;
  color: rgba(255, 255, 255, 0.6);
  font-size: 14px;
  font-weight: 500;
  transition: color .2s ease, padding-left .2s ease;
}

.footer-col a i {
  color: var(--brand);
  font-size: 11px;
  margin-right: 7px;
}

.footer-col a:hover {
  color: #fff;
  padding-left: 3px;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  padding-top: 22px;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 10px 24px;
  color: rgba(255, 255, 255, 0.42);
  font-size: 13px;
}

.footer-bottom a {
  color: rgba(255, 255, 255, 0.72);
}

.footer-bottom a:hover {
  color: var(--gold);
}

.reveal {
  opacity: 0;
  transform: translateY(8px);
  transition: opacity .55s ease, transform .55s ease;
}

.reveal.visible {
  opacity: 1;
  transform: none;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
  }
  .reveal { opacity: 1; transform: none; }
}

@media (max-width: 1199.98px) {
  .main-nav { gap: 10px; padding: 10px 12px; }
  .nav-links .nav-link { padding: 0 10px; font-size: 14px; }
  .logo-text { font-size: 15px; }
  .cta-panel { padding: 40px 36px; flex-wrap: wrap; }
  .faq-area { padding: 32px 28px; }
}

@media (max-width: 991.98px) {
  .section-space { padding: 60px 0 80px; }

  .site-header { top: 8px; }

  .main-nav {
    flex-wrap: wrap;
    height: auto;
    padding: 12px;
    row-gap: 8px;
    border-radius: 22px;
  }

  .nav-logo { padding-left: 2px; }
  .nav-links {
    order: 3;
    width: 100%;
    justify-content: flex-start;
    overflow-x: auto;
    overflow-y: hidden;
    scrollbar-width: none;
    padding-bottom: 2px;
    gap: 6px;
  }
  .nav-links::-webkit-scrollbar { display: none; }
  .nav-links .nav-link { flex: none; height: 42px; }
  .nav-cta { height: 42px; padding: 0 15px; }

  .category-hero { padding-top: 24px; }

  .hero-panel { padding: 28px 20px 24px; }
  .hero-content { padding-right: 0; }

  .guide-layout { padding-top: 30px; }
  .guide-side { position: static; }

  .check-grid { grid-template-columns: 1fr; }
  .scene-split { grid-template-columns: 1fr; }
  .resource-row { grid-template-columns: 1fr; gap: 20px; }

  .footer-panel { padding: 42px 26px 24px; }
  .footer-top { grid-template-columns: 1fr; gap: 28px; }

  .hero-media { height: 260px; margin-top: 12px; }

  .cta-panel {
    flex-direction: column;
    align-items: flex-start;
    border-radius: 28px;
    padding: 34px 26px;
  }

  .cta-actions { width: 100%; flex-direction: row; flex-wrap: wrap; }
}

@media (max-width: 767.98px) {
  .container-xl { width: min(100% - 24px, 1320px); }

  .guide-section { padding: 26px 20px; border-radius: 22px; }
  .faq-area { padding: 26px 18px; }

  .category-title {
    font-size: clamp(29px, 8vw, 42px);
  }

  .hero-tagline { font-size: 15.5px; }

  .hero-media { height: 210px; }

  .footer-links { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; text-align: left; }
  .footer-panel { border-radius: 24px; padding: 34px 20px 20px; }

  .metric-line { gap: 12px; }
  .metric-line span { width: calc(50% - 6px); font-size: 13px; }

  .resource-pic { aspect-ratio: 16 / 10; }

  .step-list li { flex-direction: column; }

  .faq-item summary { font-size: 15.5px; }
  .faq-item .faq-body { padding-left: 0; }
}

@media (max-width: 520px) {
  .logo-text { font-size: 13.5px; }
  .logo-mark { width: 38px; height: 38px; }
  .nav-cta span { display: none; }
  .nav-cta { width: 42px; padding: 0; justify-content: center; }
  .btn-solid, .btn-ghost { width: 100%; }
  .cta-actions { flex-direction: column; }
  .hero-media { height: 180px; }
  .cta-panel h2 { font-size: 28px; }
}

/* roulang page: article */
:root{
    --brand:#0EA08A;
    --brand-deep:#0B7668;
    --brand-soft:#DFEFEA;
    --gold:#D9A441;
    --ink:#17211E;
    --ink-soft:#55625D;
    --bg:#F5F4EF;
    --surface:#FFFFFF;
    --line:rgba(23,33,30,.12);
    --panel:#17211E;
    --panel-soft:rgba(255,255,255,.08);
    --error:#B45245;
    --r-lg:28px;
    --r-md:18px;
    --r-sm:11px;
    --shadow-card:0 10px 28px rgba(23,33,30,.06);
    --font-sans:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
    margin:0;
    font-family:var(--font-sans);
    background:var(--bg);
    color:var(--ink);
    font-size:16px;
    line-height:1.8;
    -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;}
a{color:var(--brand-deep);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--brand);}
ul,ol{padding-left:1.25rem;}
.container, .container-lg, .container-xl, .container-xxl{
    --bs-gutter-x:1.5rem;
}
.container-xl{max-width:1320px;}

.site-header{
    position:sticky;
    top:0;
    z-index:1050;
    padding:14px 16px 0;
    transition:transform .3s ease;
}
.main-nav{
    position:relative;
    display:grid;
    grid-template-columns:auto minmax(0,1fr) auto;
    align-items:center;
    gap:20px;
    background:var(--panel);
    border-radius:26px;
    padding:14px 20px;
    box-shadow:0 12px 30px rgba(23,33,30,.13);
    transition:box-shadow .3s ease, background .3s ease;
}
.site-header.is-scrolled .main-nav{
    box-shadow:0 16px 38px rgba(23,33,30,.2);
}
.nav-logo{
    display:inline-flex;
    align-items:center;
    gap:10px;
    line-height:1;
    color:#fff;
    flex-shrink:0;
}
.nav-logo:hover{color:var(--gold);}
.logo-mark{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    min-width:44px;
    height:40px;
    padding:0 8px;
    background:linear-gradient(135deg,var(--brand),#16bea2);
    border-radius:12px;
    font-weight:800;
    letter-spacing:.12em;
    font-size:14px;
    color:#fff;
}
.logo-text{
    font-weight:800;
    font-size:18px;
    letter-spacing:.02em;
    white-space:nowrap;
    color:#fff;
}
.nav-links{
    display:flex;
    justify-content:center;
    gap:8px;
    min-width:0;
}
.nav-link{
    position:relative;
    display:inline-flex;
    align-items:center;
    gap:8px;
    height:42px;
    padding:0 16px;
    border-radius:13px;
    background:var(--panel-soft);
    color:rgba(255,255,255,.82);
    font-size:15px;
    line-height:1;
    font-weight:500;
    white-space:nowrap;
    transition:background .2s ease, color .2s ease, transform .2s ease;
}
.nav-link i{
    font-size:13px;
    opacity:.9;
}
.nav-link:hover{
    background:rgba(255,255,255,.16);
    color:#fff;
    transform:translateY(-1px);
}
.nav-link.active{
    background:#fff;
    color:var(--ink);
    font-weight:600;
}
.nav-link.active::before{
    content:"";
    position:absolute;
    top:8px;
    left:10px;
    width:5px;
    height:5px;
    border-radius:50%;
    background:var(--brand);
    box-shadow:0 0 0 3px rgba(14,160,138,.18);
}
.nav-actions{
    display:flex;
    align-items:center;
    justify-content:flex-end;
    gap:10px;
}
.nav-cta{
    display:inline-flex;
    align-items:center;
    gap:11px;
    height:42px;
    padding:0 18px;
    background:#fff;
    border-radius:13px;
    color:var(--ink);
    font-weight:800;
    font-size:14px;
    white-space:nowrap;
    box-shadow:0 4px 12px rgba(0,0,0,.15);
    transition:transform .2s ease, box-shadow .2s ease, background .2s ease;
}
.nav-cta i{color:var(--gold);font-size:14px;}
.nav-cta:hover{
    transform:translateY(-2px);
    box-shadow:0 8px 18px rgba(0,0,0,.2);
    color:var(--ink);
    background:#fff6e8;
}
.nav-toggle{
    display:none;
    width:44px;
    height:42px;
    border:0;
    border-radius:13px;
    background:var(--panel-soft);
    cursor:pointer;
    flex-direction:column;
    align-items:center;
    justify-content:center;
    gap:4px;
}
.nav-toggle .bar{
    display:block;
    width:17px;
    height:2px;
    background:#fff;
    border-radius:2px;
    transition:transform .2s ease, opacity .2s ease;
}
.nav-toggle[aria-expanded="true"] .bar:nth-child(1){transform:translateY(6px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] .bar:nth-child(2){opacity:0;}
.nav-toggle[aria-expanded="true"] .bar:nth-child(3){transform:translateY(-6px) rotate(-45deg);}

.main{min-height:60vh;overflow:hidden;}

/* ---------- 文章首屏 ---------- */
.article-hero{
    position:relative;
    margin:16px 16px 0;
    border-radius:38px;
    overflow:hidden;
    background:#E4F1ED;
    isolation:isolate;
}
.article-hero::before{
    content:"";
    position:absolute;
    inset:0;
    background:
        linear-gradient(to right, rgba(229,241,237,.98) 0%, rgba(229,241,237,.96) 42%, rgba(229,241,237,.72) 70%, rgba(229,241,237,.3) 100%),
        url("/assets/images/backpic/back-1.webp") right center / cover no-repeat;
    z-index:-1;
}
.article-hero-inner{
    padding:46px 50px 50px;
}
.article-breadcrumb{
    display:flex;
    flex-wrap:wrap;
    align-items:center;
    gap:10px;
    font-size:14px;
    color:var(--ink-soft);
    max-width:780px;
}
.article-breadcrumb a{
    color:var(--ink-soft);
    display:inline-flex;
    align-items:center;
    gap:10px;
    font-weight:500;
}
.article-breadcrumb a:hover{color:var(--brand-deep);}
.article-breadcrumb .sep{opacity:.5;font-size:12px;font-weight:400;}
.article-breadcrumb .crumb-current{
    color:var(--ink);
    font-weight:600;
    max-width:220px;
    white-space:nowrap;
    overflow:hidden;
    text-overflow:ellipsis;
    display:inline-block;
}
.article-cat-badge{
    display:inline-flex;
    align-items:center;
    gap:8px;
    margin-top:32px;
    background:rgba(255,255,255,.85);
    border:1px solid rgba(23,33,30,.1);
    border-radius:99px;
    padding:5px 14px;
    font-size:13px;
    font-weight:700;
    color:var(--brand-deep);
}
.article-cat-badge i{font-size:11px;}
.article-title{
    max-width:820px;
    margin:20px 0 22px;
    font-size:clamp(31px,4.4vw,54px);
    line-height:1.18;
    font-weight:800;
    color:var(--ink);
    letter-spacing:0;
}
.article-meta-list{
    display:flex;
    flex-wrap:wrap;
    align-items:center;
    gap:12px 22px;
    padding:0;
    margin:0;
    font-size:14px;
    color:var(--ink-soft);
}
.article-meta-list li{
    display:inline-flex;
    align-items:center;
    gap:7px;
    list-style:none;
}
.article-meta-list i{
    color:var(--brand);
    font-size:13px;
}
.article-meta-list b{color:var(--ink);font-weight:600;}

/* ---------- 文章主体 ---------- */
.article-main-section{
    padding:76px 0 70px;
}
.article-entry{
    background:var(--surface);
    border-radius:26px;
    border:1px solid var(--line);
    box-shadow:var(--shadow-card);
    padding:clamp(26px,4vw,52px);
}
.article-body{
    font-size:17px;
    line-height:1.95;
    color:var(--ink);
    max-width:760px;
}
.article-body > *:first-child{margin-top:0;}
.article-body p{
    margin:0 0 1.8em;
    text-align:left;
}
.article-body h2{
    font-size:clamp(22px,2.6vw,31px);
    font-weight:800;
    line-height:1.3;
    margin:2.4em 0 .8em;
    padding-left:16px;
    border-left:4px solid var(--brand);
}
.article-body h3{
    font-size:clamp(19px,2.2vw,25px);
    font-weight:700;
    margin:1.8em 0 .6em;
    color:var(--ink);
}
.article-body strong{color:var(--ink);}
.article-body img{
    border-radius:20px;
    margin:26px 0;
    max-width:100%;
}
.article-body blockquote{
    position:relative;
    margin:2em 0;
    padding:20px 24px 20px 28px;
    background:var(--bg);
    border-radius:0 18px 18px 0;
    border-left:4px solid var(--brand);
    font-size:19px;
    line-height:1.8;
    color:var(--ink);
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body ul, .article-body ol{
    margin-bottom:1.8em;
}
.article-body li{margin-bottom:.55em;}
.article-body a{
    color:var(--brand-deep);
    border-bottom:1px solid transparent;
    font-weight:500;
}
.article-body a:hover{border-bottom-color:var(--brand-deep);}
.article-body table{
    width:100%;
    border-collapse:collapse;
    margin:26px 0;
    font-size:15px;
}
.article-body th,.article-body td{
    border:1px solid var(--line);
    padding:10px 14px;
    text-align:left;
}
.article-body thead th{
    background:var(--bg);
    font-weight:700;
}
.article-body code{
    background:#edf5f2;
    border:1px solid var(--line);
    padding:2px 7px;
    border-radius:6px;
    font-size:.9em;
    word-break:break-all;
}
.article-link-card{
    margin:2.4em 0;
    background:var(--brand-soft);
    border:1px solid rgba(14,160,138,.22);
    border-radius:22px;
    padding:22px;
    display:flex;
    flex-wrap:wrap;
    gap:14px;
    align-items:center;
    justify-content:space-between;
}
.article-link-card-text{
    display:flex;
    gap:12px;
    align-items:flex-start;
    flex:1 1 260px;
}
.article-link-card-text i{
    color:var(--brand-deep);
    font-size:22px;
    margin-top:4px;
}
.article-link-card-text p{margin:0;font-size:15px;}
.article-link-card-text b{color:var(--ink);font-size:16px;}
.article-link-card .arch-btn{
    display:inline-flex;
    align-items:center;
    gap:8px;
    background:var(--brand-deep);
    color:#fff;
    font-weight:700;
    border-radius:13px;
    padding:12px 18px;
    font-size:15px;
    transition:background .2s, transform .2s;
}
.article-link-card .arch-btn:hover{
    background:var(--panel);
    transform:translateY(-1px);
    color:#fff;
}

.post-bottom-box{
    display:flex;
    flex-wrap:wrap;
    align-items:center;
    justify-content:space-between;
    gap:12px;
    margin-top:50px;
    padding-top:28px;
    border-top:1px solid var(--line);
}
.back-btn{
    display:inline-flex;
    align-items:center;
    gap:9px;
    height:45px;
    padding:0 18px;
    border:1px solid var(--line);
    border-radius:14px;
    background:#fff;
    color:var(--ink);
    font-size:14px;
    font-weight:600;
    transition:border .2s ease, transform .2s ease, background .2s;
}
.back-btn:hover{
    border-color:var(--brand);
    background:var(--brand-soft);
    color:var(--brand-deep);
    transform:translateY(-1px);
}
.back-btn i{color:var(--brand-deep);}
.back-btn-primary{
    border:0;
    background:var(--brand-deep);
    color:#fff;
}
.back-btn-primary:hover{
    background:var(--panel);
    color:#fff;
}
.back-btn-primary i{color:#fff;}

/* ---------- 侧边栏 ---------- */
.article-sidebar{
    position:sticky;
    top:108px;
    display:flex;
    flex-direction:column;
    gap:22px;
}
.side-card{
    background:var(--surface);
    border:1px solid var(--line);
    border-radius:22px;
    padding:22px;
    box-shadow:0 10px 20px rgba(23,33,30,.05);
}
.side-card-title{
    display:flex;
    align-items:center;
    gap:10px;
    margin-bottom:18px;
    font-size:15px;
    font-weight:800;
    color:var(--ink);
}
.side-card-title i{color:var(--brand);font-size:19px;}
.side-card-title span{
    flex:1;
    border-bottom:1px solid var(--line);
    padding-bottom:3px;
}
.side-mini-nav{
    display:flex;
    flex-direction:column;
    gap:10px;
}
.side-mini-link{
    display:flex;
    align-items:center;
    gap:11px;
    padding:10px 12px;
    background:var(--bg);
    border:1px solid transparent;
    border-radius:13px;
    font-size:14px;
    color:var(--ink);
    font-weight:600;
}
.side-mini-link i{
    width:22px;
    text-align:center;
    color:var(--brand-deep);
    font-size:13px;
}
.side-mini-link:hover{
    border-color:var(--brand);
    background:var(--brand-soft);
    color:var(--brand-deep);
    transform:translateX(2px);
}
.side-note{
    display:flex;
    gap:12px;
    margin-top:16px;
    padding:15px;
    background:#fbf6e9;
    border:1px solid rgba(217,164,65,.3);
    border-radius:15px;
}
.side-note i{color:var(--gold);font-size:20px;line-height:1.2;}
.side-note p{margin:0;font-size:13px;color:var(--ink-soft);line-height:1.65;}
.side-note b{color:var(--ink);}
.side-entrance-card{
    background:var(--panel);
    border-radius:24px;
    padding:24px;
    color:#fff;
    overflow:hidden;
    position:relative;
}
.side-entrance-card::after{
    content:"AYX";
    position:absolute;
    font-size:74px;
    font-weight:800;
    color:rgba(255,255,255,.08);
    letter-spacing:.08em;
    bottom:-12px;
    right:-2px;
    line-height:1;
    transform:rotate(-12deg);
}
.side-entrance-card h4{
    font-size:16px;
    font-weight:800;
    margin-bottom:10px;
}
.side-entrance-card p{
    font-size:13px;
    opacity:.8;
    line-height:1.7;
    margin-bottom:20px;
    max-width:210px;
}
.side-entrance-btn{
    display:inline-flex;
    align-items:center;
    gap:8px;
    background:var(--gold);
    border:0;
    color:var(--panel);
    font-weight:800;
    font-size:14px;
    padding:10px 15px;
    border-radius:12px;
    transition:transform .2s ease, background .2s;
}
.side-entrance-btn:hover{
    background:#fff;
    color:var(--ink);
    transform:translateY(-2px);
}

/* ---------- 资讯指引区 ---------- */
.info-guide-section{
    padding:26px 0 80px;
}
.section-heading{
    display:flex;
    align-items:flex-end;
    justify-content:space-between;
    gap:20px;
    margin-bottom:30px;
}
.section-heading h2{
    font-size:clamp(26px,3.4vw,40px);
    font-weight:800;
    margin:0;
    letter-spacing:-.01em;
    line-height:1.2;
}
.section-heading-head p{
    margin:8px 0 0;
    color:var(--ink-soft);
    font-size:15px;
}
.section-heading-sub-link{
    display:inline-flex;
    align-items:center;
    gap:8px;
    font-size:14px;
    font-weight:700;
    color:var(--brand-deep);
    white-space:nowrap;
    padding-bottom:4px;
    border-bottom:1px solid transparent;
}
.section-heading-sub-link:hover{border-bottom-color:var(--brand-deep);}
.access-guide-grid{
    display:grid;
    grid-template-columns:repeat(12,1fr);
    gap:22px;
}
.access-guide-main{
    grid-column:span 7;
    background:var(--panel);
    border-radius:var(--r-lg);
    padding:38px;
    color:#fff;
    position:relative;
    overflow:hidden;
    min-height:300px;
}
.access-guide-main::after{
    content:"∷";
    position:absolute;
    right:-6px;
    bottom:-42px;
    font-size:160px;
    font-weight:800;
    color:rgba(255,255,255,.05);
    line-height:1;
    letter-spacing:-0.2em;
}
.access-guide-main h3{
    font-size:clamp(21px,2.4vw,28px);
    font-weight:800;
    margin:0 0 14px;
}
.access-guide-main p{
    font-size:15px;
    color:rgba(255,255,255,.74);
    line-height:1.8;
    max-width:360px;
    margin-bottom:26px;
}
.access-panel-btn{
    display:inline-flex;
    align-items:center;
    gap:10px;
    padding:13px 20px;
    background:var(--gold);
    color:var(--panel);
    border-radius:14px;
    font-weight:800;
    font-size:14px;
    transition:transform .2s ease, background .2s ease;
}
.access-panel-btn:hover{
    transform:translateY(-2px);
    background:#fff;
    color:var(--ink);
}
.access-guide-aside{
    grid-column:span 5;
    display:flex;
    flex-direction:column;
    gap:18px;
}
.access-mini-card{
    display:flex;
    align-items:center;
    gap:17px;
    background:var(--surface);
    border:1px solid var(--line);
    border-radius:20px;
    padding:21px;
    transition:border-color .2s ease, transform .2s ease, box-shadow .2s;
}
.access-mini-card:hover{
    border-color:rgba(14,160,138,.4);
    transform:translateY(-2px);
    box-shadow:0 12px 24px rgba(23,33,30,.06);
}
.access-mini-icon{
    width:52px;
    height:52px;
    flex:0 0 52px;
    border-radius:16px;
    display:flex;
    align-items:center;
    justify-content:center;
    background:var(--brand-soft);
    color:var(--brand-deep);
    font-size:20px;
}
.access-mini-card h4{
    font-size:17px;
    font-weight:800;
    margin-bottom:4px;
}
.access-mini-card p{
    margin:0;
    color:var(--ink-soft);
    font-size:14px;
    line-height:1.6;
}
.access-mini-link{
    color:var(--brand-deep);
    font-weight:600;
    font-size:13px;
    margin-left:auto;
    white-space:nowrap;
}
.access-mini-link i{font-size:11px;}

/* ---------- FAQ ---------- */
.faq-section{
    padding:0 0 95px;
}
.faq-container{
    max-width:900px;
    margin:0 auto;
}
.faq-title{
    text-align:center;
    font-size:clamp(26px,3.4vw,38px);
    font-weight:800;
    margin-bottom:34px;
}
.faq-list{
    border-top:1px solid var(--line);
}
.faq-item{
    border-bottom:1px solid var(--line);
    background:transparent;
}
.faq-item summary{
    display:flex;
    align-items:center;
    gap:15px;
    list-style:none;
    cursor:pointer;
    padding:25px 8px;
    font-size:17px;
    font-weight:700;
    color:var(--ink);
    transition:color .2s;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{color:var(--brand-deep);}
.faq-item summary .faq-count{
    width:30px;
    height:30px;
    flex:0 0 30px;
    border-radius:10px;
    background:var(--brand-soft);
    color:var(--brand-deep);
    display:flex;
    align-items:center;
    justify-content:center;
    font-size:12px;
    font-weight:800;
}
.faq-item summary .faq-caret{
    margin-left:auto;
    font-size:12px;
    color:var(--ink-soft);
    transition:transform .25s ease, color .2s;
}
.faq-item[open] summary .faq-caret{
    transform:rotate(180deg);
    color:var(--brand);
}
.faq-item[open] summary{color:var(--brand-deep);}
.faq-answer{
    padding:0 18px 28px 53px;
    color:var(--ink-soft);
    font-size:15px;
    line-height:1.9;
}
.faq-answer p:last-child{margin-bottom:0;}

/* ---------- 延伸阅读 ---------- */
.extend-section{
    padding:0 0 90px;
}
.extend-card{
    background:var(--surface);
    border:1px solid var(--line);
    border-radius:24px;
    overflow:hidden;
    margin-bottom:24px;
    transition:transform .25s ease, box-shadow .25s ease, border-color .25s;
}
.extend-card:hover{
    transform:translateY(-3px);
    border-color:rgba(14,160,138,.3);
    box-shadow:0 16px 32px rgba(23,33,30,.08);
}
.extend-card-feature{
    display:block;
    height:250px;
    overflow:hidden;
}
.extend-card-feature img{
    width:100%;
    height:100%;
    object-fit:cover;
    transition:transform .4s ease;
}
.extend-card:hover .extend-card-feature img{transform:scale(1.03);}
.extend-card-body{
    padding:25px 25px 22px;
}
.extend-card-tag{
    display:inline-block;
    background:var(--brand-soft);
    border-radius:99px;
    padding:4px 12px;
    font-size:12px;
    color:var(--brand-deep);
    font-weight:700;
    margin-bottom:12px;
}
.extend-card-body h3{
    font-size:22px;
    font-weight:800;
    margin:0 0 10px;
    line-height:1.4;
}
.extend-card-body p{
    font-size:14px;
    color:var(--ink-soft);
    line-height:1.7;
    margin-bottom:14px;
}
.extend-more-link{
    font-weight:700;
    font-size:14px;
    color:var(--brand-deep);
    display:inline-flex;
    align-items:center;
    gap:6px;
}
.extend-more-link i{transition:transform .2s ease;}
.extend-more-link:hover i{transform:translateX(3px);}
.extend-list-item{
    display:flex;
    align-items:center;
    gap:16px;
    background:var(--surface);
    border:1px solid var(--line);
    border-radius:18px;
    padding:17px 18px;
    margin-bottom:20px;
    transition:border-color .2s ease, transform .2s ease;
}
.extend-list-item:hover{
    transform:translateX(4px);
    border-color:rgba(14,160,138,.35);
}
.extend-list-thumb{
    width:86px;
    height:70px;
    flex:0 0 86px;
    border-radius:12px;
    overflow:hidden;
}
.extend-list-thumb img{
    width:100%;
    height:100%;
    object-fit:cover;
}
.extend-list-content{
    min-width:0;
}
.extend-list-content h4{
    margin:0 0 5px;
    font-size:16px;
    font-weight:800;
}
.extend-list-content p{
    margin:0;
    font-size:13px;
    color:var(--ink-soft);
    line-height:1.6;
}

/* ---------- 底部 CTA ---------- */
.bottom-cta-section{
    padding:0 0 90px;
}
.cta-panel{
    position:relative;
    background:var(--panel);
    border-radius:34px;
    padding:56px clamp(24px,5vw,70px);
    color:#fff;
    display:flex;
    flex-wrap:wrap;
    align-items:center;
    justify-content:space-between;
    gap:30px;
    overflow:hidden;
}
.cta-panel::after{
    content:"AYX";
    position:absolute;
    right:-14px;
    bottom:-62px;
    font-size:210px;
    font-weight:900;
    color:rgba(255,255,255,.045);
    line-height:1;
    letter-spacing:.06em;
}
.cta-panel > *{position:relative;z-index:1;}
.cta-copy{
    max-width:560px;
}
.cta-copy h2{
    font-size:clamp(24px,3vw,34px);
    font-weight:800;
    margin:0 0 12px;
    color:#fff;
}
.cta-copy p{
    color:rgba(255,255,255,.7);
    font-size:15px;
    margin:0;
    line-height:1.8;
}
.cta-btn-group{
    display:flex;
    flex-wrap:wrap;
    gap:12px;
}
.cta-btn{
    display:inline-flex;
    align-items:center;
    gap:10px;
    height:52px;
    padding:0 24px;
    border-radius:15px;
    font-weight:800;
    font-size:15px;
    transition:transform .2s ease, background .2s ease, color .2s;
}
.cta-btn-primary{
    background:var(--gold);
    color:var(--panel);
}
.cta-btn-primary:hover{
    transform:translateY(-2px);
    background:#fff;
    color:var(--ink);
}
.cta-btn-ghost{
    background:rgba(255,255,255,.1);
    color:#fff;
    border:1px solid rgba(255,255,255,.18);
}
.cta-btn-ghost:hover{
    transform:translateY(-2px);
    background:#fff;
    color:var(--ink);
}

/* ---------- 页脚 ---------- */
.site-footer{
    padding:30px 16px 42px;
}
.footer-panel{
    background:var(--panel);
    border-radius:34px;
    padding:50px 36px 28px;
    color:rgba(255,255,255,.7);
}
.footer-top{
    display:flex;
    flex-wrap:wrap;
    gap:42px;
    justify-content:space-between;
    padding-bottom:38px;
    border-bottom:1px solid rgba(255,255,255,.1);
}
.footer-brand{
    max-width:330px;
}
.footer-brand .nav-logo{margin-bottom:14px;}
.footer-brand p{
    font-size:14px;
    line-height:1.8;
    color:rgba(255,255,255,.62);
    margin:16px 0 0;
}
.footer-brand .logo-mark{
    background:rgba(255,255,255,.12);
    color:#fff;
}
.footer-links{
    display:flex;
    flex-wrap:wrap;
    gap:40px;
}
.footer-col{
    min-width:150px;
}
.footer-col h5{
    color:#fff;
    font-size:15px;
    font-weight:800;
    margin-bottom:15px;
}
.footer-col a{
    display:flex;
    align-items:center;
    gap:9px;
    color:rgba(255,255,255,.65);
    font-size:14px;
    padding:6px 0;
    transition:color .2s, transform .2s;
}
.footer-col a i{
    color:var(--brand);
    font-size:10px;
    transition:transform .2s;
}
.footer-col a:hover{
    color:#fff;
    transform:translateX(2px);
}
.footer-bottom{
    display:flex;
    flex-wrap:wrap;
    justify-content:space-between;
    align-items:center;
    gap:12px;
    padding-top:25px;
    font-size:13px;
    color:rgba(255,255,255,.48);
}
.footer-bottom a{
    display:inline-flex;
    gap:6px;
    align-items:center;
    color:rgba(255,255,255,.58);
    font-weight:600;
}
.footer-bottom a:hover{color:#fff;}
.footer-bottom i{font-size:11px;color:var(--gold);}

/* ---------- 空内容态 ---------- */
.empty-box{
    background:var(--surface);
    border:1px dashed rgba(23,33,30,.22);
    border-radius:32px;
    text-align:center;
    padding:76px 24px;
    margin:50px 0 80px;
}
.empty-icon{
    width:72px;
    height:72px;
    margin:0 auto 20px;
    border-radius:22px;
    background:var(--bg);
    display:flex;
    align-items:center;
    justify-content:center;
    font-size:26px;
    color:var(--ink-soft);
}
.empty-box h1{
    font-size:clamp(26px,4vw,38px);
    font-weight:800;
    margin:0 0 10px;
}
.empty-box p{
    color:var(--ink-soft);
    font-size:15px;
    margin-bottom:24px;
}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
    .main-nav{
        grid-template-columns:auto minmax(0,1fr) auto;
        padding:13px 17px;
    }
    .nav-link{
        padding:0 11px;
        font-size:14px;
    }
    .logo-text{font-size:16px;}
    .article-hero-inner{padding:38px 30px;}
    .access-guide-main{grid-column:span 12;}
    .access-guide-aside{grid-column:span 12;flex-direction:row;}
    .access-mini-card{flex:1 1 0;}
}
@media (max-width:991.98px){
    .nav-toggle{
        display:inline-flex;
    }
    .site-header{
        padding:12px 12px 0;
    }
    .main-nav{
        grid-template-columns:auto minmax(0,1fr) auto;
    }
    .nav-links{
        position:absolute;
        top:calc(100% + 14px);
        left:0;
        right:0;
        background:var(--panel);
        border-radius:22px;
        padding:14px;
        flex-direction:column;
        align-items:stretch;
        gap:8px;
        box-shadow:0 20px 40px rgba(23,33,30,.24);
        opacity:0;
        visibility:hidden;
        transform:translateY(-8px);
        transition:opacity .25s ease, transform .25s ease, visibility .25s;
    }
    .nav-links.is-open{
        opacity:1;
        visibility:visible;
        transform:translateY(0);
    }
    .nav-link{
        height:50px;
        font-size:15px;
        justify-content:flex-start;
    }
    .nav-cta span{display:none;}
    .nav-cta{
        width:44px;
        padding:0;
        justify-content:center;
        font-size:15px;
    }
    .article-main-section{padding-top:45px;}
    .article-sidebar{
        position:static;
        margin-top:34px;
    }
    .article-entry{padding:28px 24px;}
    .article-hero-inner{padding:34px 24px 34px;}
    .footer-links{justify-content:flex-start;}
    .access-guide-aside{flex-direction:column;}
    .footer-top{gap:32px;}
    .cta-panel{padding:42px 28px;}
}
@media (max-width:767.98px){
    .main-nav{
        gap:12px;
    }
    .logo-text{
        font-size:15px;
        max-width:130px;
        overflow:hidden;
        text-overflow:ellipsis;
    }
    .article-hero{
        border-radius:28px;
        margin:8px 8px 0;
    }
    .article-hero-inner{padding:30px 20px;}
    .article-meta-list{font-size:13px;gap:9px 15px;}
    .section-heading{
        flex-direction:column;
        align-items:flex-start;
        gap:6px;
    }
    .access-guide-main{grid-column:span 12;padding:30px 24px;}
    .footer-panel{border-radius:26px;padding:36px 22px 26px;}
    .footer-top{flex-direction:column;gap:30px;}
    .footer-links{gap:26px;}
    .footer-bottom{flex-direction:column;align-items:flex-start;}
    .cta-panel{
        border-radius:26px;
        padding:36px 22px;
    }
    .article-entry{font-size:16px;}
    .article-body{font-size:16px;line-height:1.85;}
}
@media (max-width:520px){
    .main-nav{
        padding:10px 14px;
        border-radius:20px;
    }
    .logo-mark{
        min-width:40px;
        height:38px;
        font-size:13px;
    }
    .article-title{font-size:28px;}
    .article-link-card{padding:18px;}
    .cta-btn-group{
        width:100%;
        flex-direction:column;
    }
    .cta-btn{
        width:100%;
        justify-content:center;
    }
    .footer-bottom{
        font-size:12px;
        line-height:1.7;
    }
}
@media (prefers-reduced-motion:reduce){
    *,*::before,*::after{
        animation-duration:.01ms!important;
        transition-duration:.01ms!important;
        scroll-behavior:auto!important;
    }
}

/* roulang page: category3 */
:root {
  --brand: #0EA08A;
  --brand-deep: #0B7668;
  --brand-soft: #DFEFEA;
  --gold: #D9A441;
  --ink: #17211E;
  --ink-soft: #55625D;
  --bg: #F5F4EF;
  --surface: #FFFFFF;
  --line: rgba(23,33,30,0.12);
  --panel: #17211E;
  --panel-soft: rgba(255,255,255,0.06);
  --error: #B45245;
  --r-lg: 28px;
  --r-md: 18px;
  --r-sm: 10px;
  --shadow-soft: 0 18px 50px rgba(23,33,30,0.08);
  --shadow-card: 0 8px 30px rgba(23,33,30,0.06);
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 110px;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  background: var(--bg);
  color: var(--ink);
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

a {
  color: var(--brand-deep);
  text-decoration: none;
  transition: color 0.2s ease, border-color 0.2s ease, background-color 0.2s ease;
}

a:hover {
  color: var(--brand);
}

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

button,
input,
textarea {
  font-family: inherit;
}

:focus-visible {
  outline: 2px solid var(--brand);
  outline-offset: 3px;
  border-radius: 6px;
}

.container-xl {
  max-width: 1320px;
  margin: 0 auto;
  padding-left: 24px;
  padding-right: 24px;
}

h1, h2, h3, h4, h5, h6 {
  margin-top: 0;
  font-weight: 800;
  line-height: 1.25;
  letter-spacing: -0.01em;
}

p {
  margin-top: 0;
  margin-bottom: 1em;
}

/* ============ Header / Navigation ============ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1080;
  padding-top: 14px;
  background: transparent;
  transition: background 0.35s ease;
}

.site-header.is-scrolled {
  background: rgba(245, 244, 239, 0.72);
  backdrop-filter: blur(9px);
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 18px;
  background: var(--panel);
  border-radius: var(--r-lg);
  padding: 12px 14px;
  box-shadow: 0 20px 48px rgba(23,33,30,0.18);
  border: 1px solid rgba(255,255,255,0.05);
}

.nav-logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: #fff;
  text-decoration: none;
  flex-shrink: 0;
  margin-right: 4px;
}

.nav-logo:hover {
  color: #fff;
}

.logo-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border-radius: 14px;
  background: linear-gradient(145deg, var(--brand), var(--brand-deep));
  color: #fff;
  font-size: 13px;
  font-weight: 800;
  letter-spacing: -0.02em;
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.25);
}

.logo-text {
  font-size: 17px;
  font-weight: 800;
  letter-spacing: 0.02em;
  display: inline-block;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-right: auto;
  margin-left: auto;
  overflow-x: auto;
  scrollbar-width: none;
  -ms-overflow-style: none;
}

.nav-links::-webkit-scrollbar {
  display: none;
}

.nav-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 16px;
  border-radius: 13px;
  background: transparent;
  color: rgba(255,255,255,0.7);
  font-size: 15px;
  font-weight: 600;
  white-space: nowrap;
  text-decoration: none;
  transition: background 0.2s ease, color 0.2s ease, transform 0.2s ease;
  position: relative;
}

.nav-link i {
  font-size: 13px;
  color: var(--brand-soft);
}

.nav-link:hover {
  background: var(--panel-soft);
  color: #fff;
  transform: translateY(-1px);
}

.nav-link:hover i {
  color: var(--gold);
}

.nav-link.active {
  background: #fff;
  color: var(--ink);
}

.nav-link.active i {
  color: var(--brand);
}

.nav-link.active::before {
  content: "";
  position: absolute;
  top: 9px;
  left: 10px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--brand);
  box-shadow: 0 0 0 3px rgba(14,160,138,0.18);
}

.nav-actions {
  margin-left: auto;
  flex-shrink: 0;
}

.nav-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--brand-deep);
  color: #fff;
  padding: 11px 18px;
  border-radius: 13px;
  font-size: 14px;
  font-weight: 700;
  white-space: nowrap;
  border: 1px solid rgba(255,255,255,0.12);
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.14);
  text-decoration: none;
  transition: background 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
}

.nav-cta i {
  font-size: 14px;
}

.nav-cta:hover {
  background: var(--brand);
  color: #fff;
  transform: translateY(-1px);
  box-shadow: 0 12px 24px rgba(14,160,138,0.3);
}

/* ============ Category Hero ============ */
.category-hero {
  padding-top: 46px;
  padding-bottom: 30px;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 7fr) minmax(280px, 5fr);
  gap: 32px;
  align-items: center;
}

.crumb-box {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
  font-size: 14px;
  color: var(--ink-soft);
  margin-bottom: 20px;
  padding: 8px 14px;
  background: rgba(255,255,255,0.72);
  border: 1px solid var(--line);
  border-radius: 30px;
  width: fit-content;
}

.crumb-box a {
  color: var(--ink-soft);
  text-decoration: none;
}

.crumb-box a:hover {
  color: var(--brand);
}

.crumb-box .current {
  color: var(--ink);
  font-weight: 700;
}

.crumb-box i {
  font-size: 12px;
  color: rgba(23,33,30,0.3);
}

.category-title {
  font-size: clamp(38px, 4.6vw, 68px);
  font-weight: 800;
  line-height: 1.06;
  letter-spacing: -0.02em;
  margin-bottom: 17px;
}

.category-title .accent {
  position: relative;
  color: var(--brand-deep);
}

.category-subtitle {
  max-width: 760px;
  color: var(--ink-soft);
  font-size: 17px;
  line-height: 1.9;
  margin-bottom: 22px;
}

.hero-meta-line {
  display: flex;
  flex-wrap: wrap;
  gap: 14px 22px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
  font-size: 14px;
  color: var(--ink-soft);
  margin-top: 6px;
}

.hero-meta-line span {
  display: inline-flex;
  align-items: center;
  gap: 7px;
}

.hero-meta-line i {
  color: var(--brand);
}

.hero-illustration {
  border-radius: var(--r-lg);
  overflow: hidden;
  position: relative;
  min-height: 330px;
  background: var(--panel);
  box-shadow: var(--shadow-soft);
}

.hero-illustration img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  position: absolute;
  inset: 0;
  opacity: 0.72;
}

.hero-illustration .graphic-caption {
  position: absolute;
  left: 18px;
  bottom: 18px;
  right: 18px;
  background: rgba(23,33,30,0.76);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255,255,255,0.12);
  color: #fff;
  padding: 14px 16px;
  border-radius: 15px;
  display: flex;
  align-items: center;
  gap: 12px;
}

.hero-illustration .graphic-caption i {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  background: var(--gold);
  color: #17211E;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
}

.hero-illustration .graphic-caption strong {
  display: block;
  font-weight: 800;
  font-size: 16px;
}

.hero-illustration .graphic-caption small {
  display: block;
  color: rgba(255,255,255,0.72);
  font-size: 12px;
}

/* ============ Category Document Layout ============ */
.category-main {
  padding: 34px 0 66px;
}

.category-wrap {
  display: grid;
  grid-template-columns: minmax(250px, 3fr) minmax(0, 9fr);
  gap: 38px;
  align-items: start;
}

.doc-sidebar {
  position: sticky;
  top: 112px;
  background: var(--panel);
  border-radius: var(--r-lg);
  padding: 24px;
  color: #fff;
  box-shadow: 0 24px 60px rgba(23,33,30,0.18);
}

.doc-sidebar h3 {
  font-size: 16px;
  color: #fff;
  margin-bottom: 18px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.doc-sidebar h3 i {
  color: var(--gold);
}

.sidebar-anchor-list {
  list-style: none;
  margin: 0 0 20px;
  padding: 0;
  border-top: 1px solid rgba(255,255,255,0.12);
}

.sidebar-anchor-list li {
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.sidebar-anchor-list a {
  display: flex;
  align-items: baseline;
  gap: 8px;
  padding: 11px 4px;
  color: rgba(255,255,255,0.72);
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
  transition: color 0.2s ease, background 0.2s ease;
}

.sidebar-anchor-list a em {
  font-style: normal;
  font-size: 12px;
  color: var(--gold);
  font-weight: 700;
}

.sidebar-anchor-list a:hover {
  color: #fff;
}

.sidebar-anchor-list a:hover em {
  color: var(--gold);
}

.sidebar-cta {
  background: var(--panel-soft);
  border: 1px solid rgba(255,255,255,0.09);
  border-radius: 16px;
  padding: 16px;
}

.sidebar-cta strong {
  display: block;
  color: #fff;
  font-size: 15px;
  margin-bottom: 5px;
}

.sidebar-cta p {
  margin-bottom: 12px;
  color: rgba(255,255,255,0.6);
  font-size: 13px;
  line-height: 1.7;
}

.btn-full {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 100%;
  background: var(--brand);
  border: none;
  color: #fff;
  font-size: 14px;
  font-weight: 800;
  padding: 11px 14px;
  border-radius: 12px;
  text-decoration: none;
  transition: background 0.2s ease, transform 0.2s ease;
}

.btn-full:hover {
  background: var(--gold);
  color: var(--ink);
  transform: translateY(-1px);
}

.article-main {
  min-width: 0;
}

.text-section {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  padding: clamp(26px, 3.4vw, 48px);
  margin-bottom: 28px;
  box-shadow: var(--shadow-card);
}

.text-section:last-child {
  margin-bottom: 0;
}

.text-section > h2 {
  font-size: clamp(25px, 2.3vw, 34px);
  line-height: 1.3;
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.text-section > h2 .sec-index {
  font-size: 14px;
  font-weight: 800;
  color: var(--brand);
  border: 1.6px solid var(--brand);
  padding: 4px 10px;
  border-radius: 30px;
  letter-spacing: 0.05em;
  flex-shrink: 0;
}

.text-section h3 {
  font-size: 19px;
  color: var(--ink);
  margin: 26px 0 12px;
  padding-left: 14px;
  border-left: 4px solid var(--brand);
  line-height: 1.5;
}

.text-section p {
  color: var(--ink-soft);
  font-size: 16px;
}

.text-section strong {
  color: var(--ink);
}

.content-img {
  border-radius: 18px;
  overflow: hidden;
  margin: 24px 0 18px;
  border: 1px solid var(--line);
  background: var(--bg);
}

.content-img img {
  width: 100%;
  max-height: 360px;
  object-fit: cover;
}

.content-img figcaption {
  display: none;
}

.mini-feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin: 24px 0 10px;
}

.mini-feature {
  background: rgba(245,244,239,0.7);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 18px;
  transition: transform 0.2s ease, border-color 0.2s ease;
}

.mini-feature:hover {
  border-color: rgba(14,160,138,0.4);
  transform: translateY(-2px);
}

.mini-feature i {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 11px;
  background: var(--brand-soft);
  color: var(--brand-deep);
  font-size: 17px;
  margin-bottom: 12px;
}

.mini-feature.gold i {
  background: rgba(217,164,65,0.16);
  color: #a77712;
}

.mini-feature h4 {
  font-size: 16px;
  margin-bottom: 9px;
}

.mini-feature p {
  font-size: 13px;
  line-height: 1.75;
  margin-bottom: 0;
}

.flow-steps {
  margin: 20px 0 12px;
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}

.flow-step {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: 15px;
  padding: 15px 17px;
}

.flow-step .num {
  width: 34px;
  height: 34px;
  flex-shrink: 0;
  border-radius: 50%;
  background: var(--panel);
  color: #fff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  font-weight: 800;
}

.flow-step strong {
  display: block;
  font-size: 16px;
  margin-bottom: 3px;
}

.flow-step small {
  color: var(--ink-soft);
  font-size: 13px;
  line-height: 1.7;
}

.tip-note {
  display: flex;
  gap: 14px;
  margin: 22px 0 4px;
  padding: 16px 18px;
  border-radius: 16px;
  background: var(--brand-soft);
  border: 1px solid rgba(14,160,138,0.18);
}

.tip-note i {
  font-size: 20px;
  color: var(--brand-deep);
  margin-top: 2px;
}

.tip-note p {
  color: var(--ink);
  font-size: 14px;
  margin: 0;
}

.warn-note {
  border-color: rgba(180,82,69,0.2);
  background: rgba(180,82,69,0.08);
}

.warn-note i {
  color: var(--error);
}

.two-card-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
  margin-top: 20px;
}

.duty-card {
  border-radius: 16px;
  padding: 22px;
  border: 1px solid var(--line);
  background: var(--bg);
}

.duty-card h5 {
  font-size: 16px;
  margin-bottom: 11px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.duty-card.green h5 i {
  color: var(--brand);
}

.duty-card.red h5 i {
  color: var(--error);
}

.duty-card ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.duty-card li {
  position: relative;
  padding-left: 15px;
  margin-bottom: 8px;
  color: var(--ink-soft);
  font-size: 14px;
}

.duty-card li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--brand);
}

.duty-card.red li::before {
  background: var(--error);
}

.read-more-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 10px;
}

.chip-link {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  background: var(--bg);
  border: 1px solid var(--line);
  padding: 8px 15px;
  border-radius: 30px;
  color: var(--ink);
  font-size: 14px;
  font-weight: 700;
  transition: background 0.2s ease, border-color 0.2s ease, transform 0.2s ease;
}

.chip-link i {
  color: var(--brand);
}

.chip-link:hover {
  background: var(--brand-soft);
  border-color: rgba(14,160,138,0.28);
  color: var(--ink);
  transform: translateY(-1px);
}

/* ============ FAQ section ============ */
.faq-section {
  padding: 12px 0 72px;
}

.faq-block {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  padding: clamp(24px, 3vw, 40px);
  box-shadow: var(--shadow-card);
  max-width: 1000px;
}

.faq-block h2 {
  margin-bottom: 22px;
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 28px;
}

.faq-block h2 i {
  color: var(--brand);
}

.faq-detail {
  border-bottom: 1px solid var(--line);
}

.faq-detail:last-of-type {
  border-bottom: none;
}

.faq-detail summary {
  list-style: none;
  cursor: pointer;
  padding: 17px 0;
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 16px;
  font-weight: 800;
  color: var(--ink);
  transition: color 0.2s ease;
}

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

.faq-detail summary:hover {
  color: var(--brand-deep);
}

.faq-detail summary .faq-icon {
  margin-left: auto;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--brand-soft);
  color: var(--brand-deep);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 13px;
  transition: transform 0.2s ease, background 0.2s ease, color 0.2s ease;
}

.faq-detail details, .faq-detail summary {
  display: block;
}

.faq-detail[open] summary .faq-icon {
  transform: rotate(45deg);
  background: var(--brand);
  color: #fff;
}

.faq-question-text {
  font-size: 16px;
}

.faq-answer {
  padding: 0 0 18px 44px;
  color: var(--ink-soft);
  font-size: 15px;
  line-height: 1.9;
}

.faq-answer p {
  margin-bottom: 0;
}

/* ============ Final CTA ============ */
.cta-band {
  padding-bottom: 70px;
}

.cta-panel {
  position: relative;
  background: var(--panel);
  border-radius: 34px;
  padding: clamp(34px, 5.5vw, 72px);
  overflow: hidden;
  color: #fff;
  box-shadow: 0 30px 80px rgba(23,33,30,0.25);
}

.cta-panel::before {
  content: "AYX";
  position: absolute;
  right: -30px;
  bottom: -70px;
  font-size: 240px;
  font-weight: 900;
  line-height: 1;
  color: rgba(255,255,255,0.05);
  pointer-events: none;
  letter-spacing: -0.05em;
}

.cta-inner {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 34px;
  flex-wrap: wrap;
}

.cta-inner h2 {
  font-size: clamp(25px, 3.2vw, 40px);
  line-height: 1.25;
  color: #fff;
  margin-bottom: 10px;
}

.cta-inner p {
  color: rgba(255,255,255,0.7);
  font-size: 16px;
  max-width: 760px;
}

.cta-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  flex-shrink: 0;
}

.btn-solid {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--gold);
  color: var(--ink);
  border: 1px solid transparent;
  padding: 14px 24px;
  border-radius: 14px;
  font-weight: 800;
  font-size: 15px;
  text-decoration: none;
  transition: background 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
}

.btn-solid:hover {
  background: #c78d2f;
  color: var(--ink);
  transform: translateY(-2px);
  box-shadow: 0 12px 26px rgba(0,0,0,0.3);
}

.btn-outline-light {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255,255,255,0.04);
  color: #fff;
  border: 1px solid rgba(255,255,255,0.3);
  padding: 14px 22px;
  border-radius: 14px;
  font-weight: 700;
  font-size: 15px;
  text-decoration: none;
  transition: background 0.2s ease, border-color 0.2s ease, transform 0.2s ease;
}

.btn-outline-light:hover {
  border-color: #fff;
  background: rgba(255,255,255,0.1);
  color: #fff;
  transform: translateY(-2px);
}

/* ============ Footer ============ */
.site-footer {
  padding: 0 24px 24px;
}

.footer-panel {
  background: var(--panel);
  border-radius: 34px;
  color: #fff;
  padding: clamp(28px, 3vw, 44px);
}

.footer-inner {
  display: flex;
  flex-direction: column;
}

.footer-top {
  display: flex;
  justify-content: space-between;
  gap: 40px;
  padding-bottom: 26px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
  flex-wrap: wrap;
}

.footer-brand {
  max-width: 360px;
}

.footer-brand .nav-logo {
  margin-bottom: 14px;
}

.footer-brand p {
  color: rgba(255,255,255,0.62);
  font-size: 14px;
}

.footer-links {
  display: flex;
  gap: 44px;
  flex-wrap: wrap;
}

.footer-col h5 {
  color: #fff;
  font-size: 15px;
  margin-bottom: 13px;
}

.footer-col a {
  display: block;
  color: rgba(255,255,255,0.62);
  font-size: 14px;
  padding: 5px 0;
  text-decoration: none;
}

.footer-col a i {
  margin-right: 6px;
  font-size: 11px;
  color: var(--gold);
}

.footer-col a:hover {
  color: #fff;
}

.footer-bottom {
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  color: rgba(255,255,255,0.48);
  font-size: 13px;
}

.footer-bottom a {
  color: rgba(255,255,255,0.72);
}

.footer-bottom a:hover {
  color: var(--gold);
}

/* ============ Reveal animation ============ */
.reveal {
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 0.55s ease-out, transform 0.55s ease-out;
}

.reveal.visible {
  opacity: 1;
  transform: none;
}

@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }

  html {
    scroll-behavior: auto;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }
}

/* ============ Responsive ============ */
@media (max-width: 1199px) {
  .hero-grid {
    grid-template-columns: minmax(0, 1.6fr) minmax(260px, 1fr);
  }

  .category-wrap {
    grid-template-columns: 250px minmax(0, 1fr);
    gap: 26px;
  }

  .footer-top {
    gap: 30px;
  }
}

@media (max-width: 991px) {
  .main-nav {
    gap: 12px;
  }

  .nav-logo .logo-text {
    font-size: 15px;
  }

  .nav-links {
    margin-left: 0;
  }

  .nav-link {
    padding: 9px 12px;
    font-size: 14px;
  }

  .nav-actions {
    margin-left: 0;
  }

  .nav-cta {
    padding: 10px 13px;
    font-size: 13px;
  }

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

  .hero-illustration {
    min-height: 260px;
  }

  .category-wrap {
    grid-template-columns: 1fr;
  }

  .doc-sidebar {
    position: static;
    margin-bottom: 20px;
  }

  .mini-feature-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 767px) {
  .site-header {
    padding-top: 8px;
  }

  .main-nav {
    flex-wrap: wrap;
    gap: 8px;
    border-radius: 22px;
    padding: 10px;
  }

  .nav-logo {
    margin-right: 0;
  }

  .logo-mark {
    width: 38px;
    height: 38px;
    border-radius: 12px;
  }

  .logo-text {
    font-size: 14px;
  }

  .nav-links {
    order: 3;
    width: 100%;
    justify-content: flex-start;
    border-top: 1px solid rgba(255,255,255,0.08);
    padding-top: 10px;
    margin-top: 4px;
    gap: 4px;
  }

  .nav-link {
    background: var(--panel-soft);
    padding: 7px 10px;
  }

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

  .nav-cta span {
    display: none;
  }

  .nav-cta {
    padding: 10px 12px;
  }

  .category-hero {
    padding-top: 34px;
  }

  .category-title {
    font-size: clamp(30px, 8vw, 42px);
  }

  .crumb-box {
    width: 100%;
  }

  .text-section {
    padding: 22px;
  }

  .mini-feature-grid {
    grid-template-columns: 1fr;
  }

  .two-card-grid {
    grid-template-columns: 1fr;
  }

  .cta-panel {
    border-radius: 24px;
  }

  .cta-inner {
    flex-direction: column;
    align-items: stretch;
  }

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

  .btn-solid,
  .btn-outline-light {
    justify-content: center;
  }

  .site-footer {
    padding: 0 8px 8px;
  }

  .footer-panel {
    border-radius: 24px;
  }

  .footer-top {
    flex-direction: column;
  }

  .footer-links {
    flex-direction: column;
    gap: 26px;
  }
}

@media (max-width: 520px) {
  .container-xl {
    padding-left: 14px;
    padding-right: 14px;
  }

  .nav-logo .logo-mark {
    display: none;
  }

  .nav-logo .logo-text {
    max-width: 130px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }

  .nav-link i {
    display: none;
  }

  .category-title {
    font-size: 30px;
  }

  .hero-illustration {
    min-height: 230px;
  }

  .text-section {
    padding: 20px;
    border-radius: 21px;
  }

  .text-section > h2 {
    flex-direction: column;
    align-items: flex-start;
  }

  .flow-step {
    flex-direction: column;
  }

  .footer-brand {
    max-width: 100%;
  }
}

/* roulang page: category2 */
:root {
      --brand: #0EA08A;
      --brand-deep: #0B7668;
      --brand-soft: #DFEFEA;
      --gold: #D9A441;
      --ink: #17211E;
      --ink-soft: #55625D;
      --bg: #F5F4EF;
      --surface: #FFFFFF;
      --line: rgba(23, 33, 30, 0.12);
      --panel: #17211E;
      --panel-soft: rgba(255, 255, 255, 0.06);
      --r-lg: 28px;
      --r-md: 18px;
      --r-sm: 10px;
      --shadow-sm: 0 6px 16px rgba(23, 33, 30, 0.05);
      --shadow-md: 0 16px 40px rgba(23, 33, 30, 0.12);
    }

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

    html {
      scroll-behavior: smooth;
    }

    body {
      margin: 0;
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Microsoft YaHei", "PingFang SC", "Helvetica Neue", Arial, sans-serif;
      background: var(--bg);
      color: var(--ink);
      font-size: 16px;
      line-height: 1.8;
      overflow-x: hidden;
    }

    p {
      line-height: 1.85;
    }

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

    a:hover {
      color: var(--brand);
    }

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

    a:focus-visible,
    button:focus-visible,
    summary:focus-visible {
      outline: 2px solid var(--brand);
      outline-offset: 3px;
      border-radius: 6px;
    }

    .container-xl {
      width: 100%;
      max-width: 1320px;
      margin-right: auto;
      margin-left: auto;
      padding-left: 20px;
      padding-right: 20px;
    }

    .section-pad {
      padding: 96px 0;
    }

    .section-pad-sm {
      padding: 64px 0;
    }

    .section-kicker {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background: var(--brand-soft);
      color: var(--brand-deep);
      border-radius: 999px;
      padding: 6px 14px;
      font-size: 13px;
      font-weight: 700;
      letter-spacing: .06em;
    }

    .section-title {
      font-size: clamp(30px, 4vw, 52px);
      font-weight: 800;
      line-height: 1.12;
      margin: 18px 0 16px;
      letter-spacing: -0.02em;
    }

    .section-lead {
      font-size: 16px;
      color: var(--ink-soft);
      max-width: 800px;
      line-height: 1.85;
    }

    .section-head {
      margin-bottom: 48px;
    }

    section[id] {
      scroll-margin-top: 30px;
    }

    .btn {
      border-radius: 14px;
      padding: 13px 24px;
      font-weight: 700;
      border: 1px solid transparent;
      font-size: 15px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      transition: all .15s ease-out;
    }

    .btn-lg {
      padding: 15px 28px;
      font-size: 16px;
    }

    .btn-brand {
      background: var(--brand-deep);
      color: #fff;
      box-shadow: 0 8px 18px rgba(11, 108, 94, .18);
    }

    .btn-brand:hover,
    .btn-brand:focus {
      background: #0A665A;
      color: #fff;
      transform: translateY(-2px);
      box-shadow: 0 14px 24px rgba(11, 108, 94, .24);
    }

    .btn-gold {
      background: var(--gold);
      color: var(--ink);
      box-shadow: 0 10px 22px rgba(217, 164, 65, .22);
    }

    .btn-gold:hover,
    .btn-gold:focus {
      background: #C99337;
      color: var(--ink);
      transform: translateY(-2px);
      box-shadow: 0 14px 26px rgba(217, 164, 65, .3);
    }

    .btn-ghost {
      border: 1px solid var(--ink);
      color: var(--ink);
      background: transparent;
    }

    .btn-ghost:hover,
    .btn-ghost:focus {
      background: var(--ink);
      color: #fff;
      border-color: var(--ink);
      transform: translateY(-2px);
    }

    .btn-soft {
      background: rgba(255, 255, 255, .08);
      color: #fff;
      border: 1px solid rgba(255, 255, 255, .18);
    }

    .btn-soft:hover,
    .btn-soft:focus {
      background: rgba(255, 255, 255, .16);
      color: #fff;
      transform: translateY(-2px);
      border-color: rgba(255, 255, 255, .4);
    }

    .site-header {
      padding-top: 16px;
      position: sticky;
      top: 0;
      z-index: 1030;
    }

    .main-nav {
      display: flex;
      align-items: center;
      gap: 12px;
      background: linear-gradient(135deg, #1A2926, #101916);
      padding: 10px 14px;
      border-radius: 28px;
      box-shadow: 0 12px 28px rgba(16, 25, 22, .18);
    }

    .main-nav .nav-logo {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      flex-shrink: 0;
      margin-right: 6px;
    }

    .nav-logo .logo-mark {
      width: 42px;
      height: 42px;
      background: var(--brand);
      color: #fff;
      border-radius: 13px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      font-size: 14px;
      font-weight: 900;
      letter-spacing: .02em;
      box-shadow: inset 0 1px 0 rgba(255, 255, 255, .2);
    }

    .nav-logo .logo-text {
      color: #fff;
      font-weight: 800;
      font-size: 16px;
      white-space: nowrap;
      letter-spacing: .01em;
    }

    .nav-links {
      display: flex;
      align-items: center;
      gap: 6px;
      flex: 1 1 auto;
      min-width: 0;
    }

    .nav-link {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 10px 14px;
      background: var(--panel-soft);
      border: 1px solid transparent;
      border-radius: 14px;
      color: rgba(255, 255, 255, .78);
      font-size: 14px;
      font-weight: 600;
      white-space: nowrap;
      transition: background .15s ease, color .15s ease, transform .15s ease;
    }

    .nav-link i {
      font-size: 13px;
      color: rgba(255, 255, 255, .7);
      transition: color .15s ease;
    }

    .nav-link:hover {
      background: rgba(255, 255, 255, .13);
      color: #fff;
      transform: translateY(-1px);
    }

    .nav-link:hover i {
      color: var(--gold);
    }

    .nav-link.active {
      background: #fff;
      color: var(--ink);
      font-weight: 800;
    }

    .nav-link.active i {
      color: var(--brand-deep);
    }

    .nav-link.active::before {
      content: "";
      width: 7px;
      height: 7px;
      background: var(--brand);
      border-radius: 50%;
      box-shadow: 0 0 0 3px rgba(14, 160, 138, .18);
      flex-shrink: 0;
    }

    .nav-cta {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background: var(--gold);
      color: var(--ink);
      font-weight: 800;
      font-size: 14px;
      padding: 11px 18px;
      border-radius: 14px;
      flex-shrink: 0;
      box-shadow: 0 8px 18px rgba(217, 164, 65, .16);
      transition: all .15s ease-out;
    }

    .nav-cta:hover {
      color: var(--ink);
      background: #E7B456;
      transform: translateY(-2px);
      box-shadow: 0 12px 22px rgba(217, 164, 65, .28);
    }

    .nav-cta i {
      font-size: 14px;
    }

    .cat-hero {
      padding: 68px 0 72px;
      position: relative;
      overflow: hidden;
      background: linear-gradient(180deg, #EDF3EF 0%, var(--bg) 100%);
    }

    .cat-hero::after {
      content: "";
      position: absolute;
      width: 360px;
      height: 360px;
      right: -110px;
      top: -110px;
      background: radial-gradient(circle, rgba(14, 160, 138, .16) 0%, rgba(14, 160, 138, 0) 68%);
      pointer-events: none;
    }

    .crumb {
      display: flex;
      align-items: center;
      flex-wrap: wrap;
      gap: 8px;
      font-size: 14px;
      color: var(--ink-soft);
      margin-bottom: 36px;
    }

    .crumb a {
      color: var(--ink-soft);
    }

    .crumb a:hover {
      color: var(--brand-deep);
    }

    .crumb-sep {
      opacity: .5;
      color: var(--ink-soft);
    }

    .cat-hero-inner {
      position: relative;
      z-index: 2;
    }

    .tag-chip {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background: var(--brand-soft);
      color: var(--brand-deep);
      padding: 6px 14px;
      border-radius: 999px;
      font-size: 13px;
      font-weight: 700;
    }

    .cat-hero h1 {
      font-size: clamp(34px, 5vw, 58px);
      line-height: 1.12;
      font-weight: 800;
      letter-spacing: -0.02em;
      max-width: 820px;
      margin: 24px 0 20px;
      color: var(--ink);
    }

    .cat-hero h1 span {
      display: block;
      color: var(--brand-deep);
    }

    .cat-hero-lead {
      font-size: 17px;
      color: var(--ink-soft);
      line-height: 1.9;
      max-width: 610px;
      margin-bottom: 26px;
    }

    .hero-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 14px;
    }

    .hero-media {
      border-radius: var(--r-lg);
      overflow: hidden;
      position: relative;
      aspect-ratio: 5 / 4;
      box-shadow: var(--shadow-md);
      margin: 0;
      border: 1px solid var(--line);
      background: #E3E3DA;
    }

    .hero-media img {
      width: 100%;
      height: 100%;
      object-fit: cover;
    }

    .hero-media::after {
      content: "";
      position: absolute;
      inset: 0;
      background: linear-gradient(180deg, transparent 55%, rgba(23, 33, 30, .3));
    }

    .media-float {
      position: absolute;
      left: 18px;
      bottom: 18px;
      z-index: 2;
      background: rgba(255, 255, 255, .9);
      backdrop-filter: blur(6px);
      border-radius: 14px;
      padding: 10px 14px;
      display: inline-flex;
      align-items: center;
      gap: 8px;
      font-size: 13px;
      font-weight: 700;
      color: var(--ink);
      box-shadow: var(--shadow-sm);
    }

    .media-float i {
      color: var(--brand-deep);
    }

    .hero-metrics {
      display: flex;
      flex-wrap: wrap;
      gap: 0;
      margin-top: 68px;
      border-top: 1px solid var(--line);
      padding-top: 26px;
      max-width: 900px;
    }

    .metric-item {
      display: flex;
      align-items: center;
      gap: 10px;
      padding-right: 36px;
      margin-right: 36px;
      border-right: 1px solid var(--line);
    }

    .metric-item:last-child {
      border-right: 0;
      margin-right: 0;
      padding-right: 0;
    }

    .metric-item strong {
      font-size: 30px;
      font-weight: 800;
      color: var(--brand-deep);
      line-height: 1;
    }

    .metric-item span {
      font-size: 13px;
      color: var(--ink-soft);
      max-width: 100px;
      line-height: 1.4;
    }

    .feature-zone {
      background: var(--bg);
    }

    .dark-card {
      background: var(--panel);
      color: #fff;
      border-radius: var(--r-lg);
      padding: 38px;
      height: 100%;
      position: relative;
      overflow: hidden;
      border: 1px solid rgba(255, 255, 255, .06);
      box-shadow: inset 0 1px 0 rgba(255, 255, 255, .06);
    }

    .dark-card::after {
      content: "";
      position: absolute;
      width: 230px;
      height: 230px;
      right: -90px;
      bottom: -110px;
      background: radial-gradient(circle, rgba(14, 160, 138, .4) 0%, rgba(14, 160, 138, 0) 70%);
      pointer-events: none;
    }

    .dark-card-content {
      position: relative;
      z-index: 2;
    }

    .dark-card .panel-label {
      color: var(--brand);
      letter-spacing: .12em;
      font-size: 12px;
      font-weight: 700;
    }

    .dark-card h3 {
      font-size: 25px;
      font-weight: 800;
      line-height: 1.3;
    }

    .dark-card p {
      color: rgba(255, 255, 255, .7);
      font-size: 15px;
    }

    .check-list {
      list-style: none;
      padding: 0;
      margin: 18px 0 28px;
    }

    .check-list li {
      display: flex;
      align-items: flex-start;
      gap: 10px;
      padding: 9px 0;
      border-bottom: 1px solid rgba(255, 255, 255, .07);
      font-size: 15px;
      line-height: 1.6;
      color: rgba(255, 255, 255, .86);
    }

    .check-list li i {
      color: var(--brand);
      font-size: 15px;
      margin-top: 5px;
    }

    .btn-pale {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background: #fff;
      color: var(--panel);
      font-weight: 800;
      font-size: 14px;
      padding: 11px 18px;
      border-radius: 12px;
      transition: all .15s ease-out;
    }

    .btn-pale:hover {
      color: var(--panel);
      background: #E8F2ED;
      transform: translateY(-2px);
    }

    .feature-card {
      background: var(--surface);
      border: 1px solid var(--line);
      border-radius: var(--r-md);
      padding: 30px;
      height: 100%;
      position: relative;
      box-shadow: var(--shadow-sm);
    }

    .feature-card::before {
      content: "";
      position: absolute;
      top: 0;
      left: 28px;
      right: 28px;
      height: 3px;
      background: var(--brand);
      border-radius: 0 0 8px 8px;
    }

    .feature-card.is-gold::before {
      background: var(--gold);
    }

    .feature-icon {
      width: 52px;
      height: 52px;
      border-radius: 16px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      background: var(--brand-soft);
      color: var(--brand-deep);
      font-size: 21px;
      margin-bottom: 20px;
    }

    .feature-card.is-gold .feature-icon {
      background: #F7E9CD;
      color: #B98A2B;
    }

    .feature-card h3 {
      font-size: 20px;
      font-weight: 800;
      line-height: 1.3;
      margin-bottom: 12px;
    }

    .feature-card p {
      color: var(--ink-soft);
      font-size: 15px;
      margin-bottom: 16px;
      line-height: 1.75;
    }

    .feature-link {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      font-weight: 700;
      font-size: 14px;
      color: var(--brand-deep);
    }

    .feature-link:hover {
      gap: 12px;
      color: var(--brand-deep);
    }

    .wide-feature {
      border-radius: var(--r-md);
      background: var(--surface);
      border: 1px solid var(--line);
      padding: 26px 30px;
      display: flex;
      align-items: center;
      gap: 24px;
      flex-wrap: wrap;
    }

    .wide-feature .feature-icon {
      margin-bottom: 0;
    }

    .wide-info {
      flex: 1 1 340px;
    }

    .wide-info h3 {
      font-size: 20px;
      font-weight: 800;
      margin-bottom: 6px;
    }

    .wide-info p {
      color: var(--ink-soft);
      font-size: 15px;
      margin-bottom: 0;
    }

    .scenario-zone {
      background: #EFF1EB;
    }

    .scenario-shell {
      background: var(--panel);
      border-radius: var(--r-lg);
      padding: 30px;
      color: #fff;
      overflow: hidden;
    }

    .scenario-btn {
      width: 100%;
      text-align: left;
      background: transparent;
      color: rgba(255, 255, 255, .74);
      border: 1px solid rgba(255, 255, 255, .08);
      border-radius: 16px;
      padding: 18px 18px;
      margin-bottom: 12px;
      display: flex;
      align-items: flex-start;
      gap: 14px;
      transition: all .16s ease;
      font-size: 15px;
      line-height: 1.55;
      font-weight: 600;
    }

    .scenario-btn .scenario-index {
      color: var(--brand);
      font-size: 13px;
      font-weight: 800;
      letter-spacing: .06em;
      padding-top: 1px;
    }

    .scenario-btn:hover {
      background: rgba(255, 255, 255, .04);
      color: #fff;
    }

    .scenario-btn.active {
      background: var(--surface);
      color: var(--ink);
      border-color: transparent;
      box-shadow: 0 12px 28px rgba(0, 0, 0, .18);
    }

    .scenario-btn.active .scenario-index {
      color: var(--brand-deep);
    }

    .scenario-stage {
      background: var(--surface);
      border-radius: 20px;
      min-height: 420px;
      color: var(--ink);
      padding: 34px 34px 24px;
    }

    .scenario-panel {
      display: none;
    }

    .scenario-panel.active {
      display: block;
      animation: fadeUp .3s ease-out;
    }

    .scenario-panel h3 {
      font-size: 26px;
      font-weight: 800;
      margin-bottom: 14px;
      line-height: 1.3;
    }

    .scenario-panel p {
      color: var(--ink-soft);
      font-size: 15px;
      margin-bottom: 20px;
    }

    .scenario-tips {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      margin-bottom: 20px;
    }

    .tip-badge {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      background: var(--brand-soft);
      color: var(--brand-deep);
      padding: 6px 12px;
      border-radius: 999px;
      font-size: 13px;
      font-weight: 700;
    }

    .scenario-panel img {
      width: 100%;
      aspect-ratio: 16 / 9;
      object-fit: cover;
      border-radius: 16px;
      height: auto;
    }

    .process-board {
      background: var(--panel);
      color: #fff;
      border-radius: var(--r-lg);
      padding: 40px;
      position: relative;
      overflow: hidden;
    }

    .process-board::after {
      content: "";
      position: absolute;
      left: 130px;
      top: -130px;
      width: 360px;
      height: 360px;
      background: radial-gradient(circle, rgba(14, 160, 138, .26) 0%, rgba(14, 160, 138, 0) 70%);
      pointer-events: none;
    }

    .process-image {
      border-radius: 24px;
      overflow: hidden;
      position: relative;
      z-index: 2;
      aspect-ratio: 5 / 4;
      background: #13211E;
    }

    .process-image img {
      width: 100%;
      height: 100%;
      object-fit: cover;
    }

    .step-item {
      position: relative;
      padding-left: 78px;
      margin-bottom: 30px;
      z-index: 2;
    }

    .step-item:last-child {
      margin-bottom: 0;
    }

    .step-item::before {
      content: "";
      position: absolute;
      left: 38px;
      top: 50px;
      bottom: -36px;
      width: 1px;
      border-left: 1px dashed rgba(255, 255, 255, .26);
    }

    .step-item:last-child::before {
      display: none;
    }

    .step-num {
      position: absolute;
      left: 0;
      top: 2px;
      width: 52px;
      height: 52px;
      background: rgba(14, 160, 138, .15);
      color: #5ECDB9;
      border: 1px solid rgba(14, 160, 138, .3);
      border-radius: 16px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      font-weight: 800;
      font-size: 15px;
      box-shadow: inset 0 1px 0 rgba(255, 255, 255, .05);
    }

    .step-item h3 {
      color: #fff;
      font-size: 20px;
      font-weight: 800;
      margin-bottom: 6px;
      line-height: 1.35;
    }

    .step-item p {
      color: rgba(255, 255, 255, .66);
      font-size: 15px;
      line-height: 1.7;
      margin-bottom: 0;
      max-width: 560px;
    }

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

    .faq-wrap {
      width: min(860px, 100%);
      margin: 0 auto;
    }

    .faq-list {
      border-top: 1px solid var(--line);
    }

    .faq-item {
      border-bottom: 1px solid var(--line);
      padding: 4px 0;
    }

    .faq-item summary {
      list-style: none;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 24px;
      padding: 24px 4px;
      cursor: pointer;
      font-size: 17px;
      font-weight: 800;
      color: var(--ink);
      line-height: 1.6;
      user-select: none;
    }

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

    .faq-item summary:hover {
      color: var(--brand-deep);
    }

    .faq-plus {
      width: 34px;
      height: 34px;
      border-radius: 50%;
      background: var(--brand-soft);
      color: var(--brand-deep);
      display: inline-flex;
      align-items: center;
      justify-content: center;
      flex-shrink: 0;
      font-size: 15px;
    }

    .faq-item[open] .faq-plus {
      background: var(--brand-deep);
      color: #fff;
    }

    .faq-item[open] .faq-plus i {
      transform: rotate(45deg);
      transition: transform .2s ease;
    }

    .faq-answer {
      padding: 0 48px 28px 4px;
      color: var(--ink-soft);
      line-height: 1.85;
      font-size: 15.5px;
      max-width: 760px;
    }

    .cta-zone {
      padding: 64px 0 96px;
    }

    .cta-panel {
      background: var(--panel);
      color: #fff;
      border-radius: 32px;
      padding: clamp(32px, 6vw, 64px);
      position: relative;
      overflow: hidden;
      box-shadow: var(--shadow-md);
    }

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

    .cta-content {
      position: relative;
      z-index: 2;
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      justify-content: space-between;
      gap: 30px;
    }

    .cta-text {
      flex: 1 1 620px;
    }

    .cta-text h2 {
      font-size: clamp(28px, 3.8vw, 44px);
      font-weight: 800;
      line-height: 1.18;
      margin: 0 0 16px;
    }

    .cta-text p {
      color: rgba(255, 255, 255, .68);
      font-size: 16px;
      max-width: 650px;
      margin: 0;
    }

    .cta-actions {
      display: flex;
      flex-direction: column;
      align-items: flex-start;
      gap: 12px;
    }

    .cta-note {
      font-size: 13px;
      color: rgba(255, 255, 255, .5);
      max-width: 260px;
    }

    .site-footer {
      padding: 28px 16px 40px;
      background: var(--bg);
    }

    .footer-panel {
      background: var(--panel);
      color: rgba(255, 255, 255, .75);
      border-radius: 32px;
      padding: 34px 32px 28px;
      max-width: 1320px;
      margin-left: auto;
      margin-right: auto;
    }

    .footer-inner {
      max-width: 1260px;
      margin: 0 auto;
    }

    .footer-top {
      display: grid;
      grid-template-columns: 1.2fr 1.6fr;
      gap: 48px;
      padding-bottom: 28px;
      border-bottom: 1px solid rgba(255, 255, 255, .08);
    }

    .footer-brand .nav-logo {
      color: #fff;
      display: inline-flex;
      align-items: center;
      gap: 10px;
      margin-bottom: 18px;
    }

    .footer-brand p {
      color: rgba(255, 255, 255, .56);
      font-size: 14px;
      margin: 0;
      max-width: 420px;
      line-height: 1.8;
    }

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

    .footer-col h5 {
      color: #fff;
      font-size: 15px;
      font-weight: 800;
      margin-bottom: 16px;
      letter-spacing: .03em;
    }

    .footer-col a {
      display: flex;
      align-items: center;
      gap: 8px;
      color: rgba(255, 255, 255, .62);
      font-size: 14px;
      padding: 4px 0;
      transition: all .15s ease;
    }

    .footer-col a i {
      color: var(--gold);
      font-size: 12px;
    }

    .footer-col a:hover {
      color: #fff;
      transform: translateX(3px);
      text-decoration: underline;
    }

    .footer-bottom {
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      justify-content: space-between;
      gap: 10px;
      padding-top: 22px;
      font-size: 13px;
      color: rgba(255, 255, 255, .42);
    }

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

    .footer-bottom a:hover {
      color: var(--gold);
    }

    .reveal {
      opacity: 0;
      transform: translateY(12px);
      transition: opacity .55s ease, transform .55s ease;
    }

    .reveal.is-in {
      opacity: 1;
      transform: none;
    }

    @media (prefers-reduced-motion: reduce) {
      html {
        scroll-behavior: auto;
      }
      *,
      *::before,
      *::after {
        animation-duration: .01ms !important;
        transition-duration: .01ms !important;
      }
      .reveal {
        opacity: 1;
        transform: none;
      }
    }

    @media (max-width: 1199px) {
      .nav-link {
        padding: 9px 11px;
        font-size: 13px;
      }
      .nav-logo .logo-text {
        font-size: 15px;
      }
      .nav-logo .logo-mark {
        width: 40px;
        height: 40px;
      }
      .scenario-stage {
        min-height: auto;
      }
    }

    @media (max-width: 991px) {
      .section-pad {
        padding: 70px 0;
      }
      .cat-hero {
        padding: 44px 0 56px;
      }
      .hero-media {
        aspect-ratio: 16 / 10;
      }
      .main-nav {
        flex-wrap: wrap;
        gap: 10px;
        padding: 12px;
      }
      .nav-logo {
        flex: 1 1 auto;
      }
      .nav-logo .logo-text {
        max-width: 46vw;
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
      }
      .nav-links {
        order: 4;
        flex: 0 0 100%;
        display: flex;
        overflow-x: auto;
        padding-bottom: 2px;
        gap: 8px;
        scrollbar-width: none;
      }
      .nav-links::-webkit-scrollbar {
        display: none;
      }
      .nav-link {
        flex: 0 0 auto;
      }
      .metric-item {
        margin-right: 20px;
        padding-right: 20px;
      }
      .scenario-shell {
        padding: 22px;
      }
      .scenario-btn {
        margin-bottom: 8px;
      }
      .process-board {
        padding: 28px;
      }
      .footer-top {
        grid-template-columns: 1fr;
        gap: 34px;
      }
      .footer-inner {
        padding-right: 0;
      }
    }

    @media (max-width: 767px) {
      .section-pad {
        padding: 56px 0;
      }
      .btn-lg {
        padding: 13px 20px;
        font-size: 15px;
      }
      .hero-metrics {
        gap: 18px 0;
      }
      .metric-item {
        width: 50%;
        margin-right: 0;
        padding-right: 0;
        border-right: 0;
        flex-direction: column;
        align-items: flex-start;
        gap: 6px;
      }
      .metric-item strong {
        font-size: 26px;
      }
      .scenario-shell {
        padding: 16px;
      }
      .scenario-stage {
        padding: 24px 20px;
        border-radius: 18px;
      }
      .process-board {
        padding: 24px 20px;
      }
      .step-item {
        padding-left: 68px;
      }
      .step-num {
        width: 46px;
        height: 46px;
        font-size: 14px;
      }
      .step-item::before {
        left: 36px;
        top: 44px;
      }
      .footer-panel {
        border-radius: 24px;
        padding: 28px 20px 24px;
      }
      .site-footer {
        padding: 16px 10px 24px;
      }
      .footer-links {
        grid-template-columns: 1fr;
        gap: 24px;
      }
      .footer-bottom {
        flex-direction: column;
        align-items: flex-start;
      }
      .cta-actions {
        align-items: stretch;
      }
    }

    @media (max-width: 520px) {
      .nav-logo .logo-text {
        font-size: 14px;
      }
      .nav-logo .logo-mark {
        width: 36px;
        height: 36px;
        border-radius: 11px;
        font-size: 13px;
      }
      .nav-cta {
        padding: 9px 12px;
        font-size: 13px;
      }
      .nav-cta span {
        display: none;
      }
      .nav-cta i {
        margin: 0;
      }
      .section-title {
        font-size: 28px;
      }
    }

.reveal {
      opacity: 1;
      transform: none;
    }