/* roulang page: index */
:root{
  --primary:#0FB5A0;
  --primary-dark:#087A6E;
  --primary-light:#7FE3D4;
  --accent:#FF8A4C;
  --accent-light:#FFD9C2;
  --bg:#F6F9F8;
  --surface:#FFFFFF;
  --surface-2:#F1F5F4;
  --line:#E3EBE9;
  --text:#16302B;
  --muted:#5A736D;
  --dark:#0B211E;
  --brand:linear-gradient(135deg,#0FB5A0 0%,#3ED6BE 45%,#FF9A5A 100%);
  --r-sm:10px;
  --r-md:16px;
  --r-lg:24px;
  --r-xl:32px;
  --sh-1:0 2px 6px rgba(11,33,30,.05);
  --sh-2:0 12px 30px rgba(11,33,30,.08);
  --sh-3:0 24px 60px rgba(11,33,30,.12);
  --ease:cubic-bezier(.2,.7,.3,1);
  --bs-primary:#0FB5A0;
  --bs-body-color:#16302B;
  --bs-body-bg:#F6F9F8;
  --bs-border-radius:16px;
  --bs-link-color:#087A6E;
  --bs-link-hover-color:#0FB5A0;
  --bs-font-sans-serif:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:17px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--primary-dark);text-decoration:none;transition:color .28s var(--ease)}
a:hover{color:var(--primary)}
h1,h2,h3,h4{margin:0;color:var(--text);font-weight:700;letter-spacing:-.01em}
h1{font-size:clamp(28px,4.4vw,50px);line-height:1.2}
h2{font-size:clamp(24px,3vw,34px);line-height:1.28}
h3{font-size:20px;line-height:1.4}
h4{font-size:17px;line-height:1.5}
p{margin:0 0 1em}
ul{margin:0;padding:0;list-style:none}
button{font-family:inherit}
:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(15,181,160,.3);border-radius:8px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
@media (min-width:1400px){.container{max-width:1280px}}

/* Bootstrap 覆盖 */
.btn{border-radius:999px;font-weight:600;padding:12px 24px;border:1px solid transparent;transition:all .28s var(--ease)}
.btn:focus{box-shadow:0 0 0 3px rgba(15,181,160,.25)}
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--sh-1)}
.badge{background:var(--surface-2);color:var(--primary-dark);border-radius:999px;font-weight:600}
.form-control{border:1px solid var(--line);border-radius:999px;height:48px;padding:0 20px;font-size:15px;color:var(--text);background:#fff}
.form-control:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(15,181,160,.2)}
.breadcrumb{background:transparent;font-size:14px;color:var(--muted)}
.table{border-color:var(--line)}
.table thead th{background:var(--surface-2);color:var(--muted);font-weight:600;border-bottom:1px solid var(--line)}
.table tbody tr:hover{background:rgba(15,181,160,.04)}
.pagination .page-link{color:var(--primary-dark);border-color:var(--line);border-radius:10px;margin:0 4px}
.pagination .page-item.active .page-link{background:var(--primary);border-color:var(--primary);color:#fff}
.dropdown-menu{border:1px solid var(--line);border-radius:var(--r-md);box-shadow:var(--sh-2);padding:8px}
.dropdown-item{border-radius:10px;font-size:15px}
.dropdown-item:hover{background:rgba(15,181,160,.08);color:var(--primary-dark)}
.navbar{background:transparent;padding:0}

/* 倒计时条 */
.countdown-bar{background:var(--brand);color:#fff;min-height:44px;display:flex;align-items:center}
.countdown-inner{display:flex;align-items:center;gap:18px;flex-wrap:nowrap;padding-top:6px;padding-bottom:6px}
.cd-label{font-size:14px;font-weight:600;display:flex;align-items:center;gap:8px;white-space:nowrap}
.cd-timer{display:flex;gap:6px;margin-left:auto}
.cd-cell{background:rgba(255,255,255,.16);border-radius:8px;padding:3px 10px;min-width:56px;text-align:center}
.cd-num{display:block;font-family:"Barlow","DIN Alternate",ui-monospace,monospace;font-size:20px;font-weight:700;line-height:1.1}
.cd-unit{display:block;font-size:11px;opacity:.9}
.cd-link{background:rgba(255,255,255,.9);color:var(--primary-dark)!important;border-radius:999px;font-size:13px;font-weight:600;padding:7px 16px;white-space:nowrap;transition:all .28s var(--ease)}
.cd-link:hover{background:#fff;transform:translateY(-2px);box-shadow:0 8px 18px rgba(11,33,30,.18)}

/* 导航 */
.site-header{position:sticky;top:0;z-index:1030;background:rgba(246,249,248,.9);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.nav-inner{height:72px;display:flex;align-items:center;gap:28px}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none;flex-shrink:0}
.brand-mark{width:42px;height:42px;border-radius:14px;background:var(--brand);display:flex;align-items:center;justify-content:center;color:#fff;font-size:18px;box-shadow:var(--sh-1)}
.brand-main{display:block;font-size:16px;font-weight:700;color:var(--text);line-height:1.2;letter-spacing:-.01em}
.brand-sub{display:block;font-size:12px;color:var(--muted);letter-spacing:.08em;line-height:1.3}
.nav-links{display:flex;align-items:center;gap:24px;margin-left:8px}
.nav-link{position:relative;font-size:15px;font-weight:500;color:var(--text);padding:6px 0}
.nav-link::after{content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;background:var(--brand);border-radius:2px;transform:scaleX(0);transform-origin:left;transition:transform .28s var(--ease)}
.nav-link:hover::after,.nav-link.active::after{transform:scaleX(1)}
.nav-link.active{color:var(--primary-dark);font-weight:600}
.nav-dot{display:inline-block;width:6px;height:6px;border-radius:50%;background:var(--accent);margin-left:6px;vertical-align:middle}
.nav-actions{display:flex;align-items:center;gap:12px;margin-left:auto}
.btn-ghost-pill{display:inline-flex;align-items:center;gap:6px;height:44px;padding:0 20px;border-radius:999px;border:1px solid var(--line);background:#fff;color:var(--primary-dark)!important;font-size:15px;font-weight:600;transition:all .28s var(--ease)}
.btn-ghost-pill:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:var(--primary-light)}
.btn-brand-pill{display:inline-flex;align-items:center;gap:8px;height:44px;padding:0 22px;border-radius:999px;background:var(--brand);color:#fff!important;font-size:15px;font-weight:600;box-shadow:0 8px 20px rgba(15,181,160,.28);transition:all .28s var(--ease)}
.btn-brand-pill:hover{transform:translateY(-2px);filter:brightness(1.04);box-shadow:0 14px 28px rgba(15,181,160,.34)}
.btn-brand-pill:active{transform:translateY(1px)}
.btn-brand-pill i{transition:transform .28s var(--ease)}
.btn-brand-pill:hover i{transform:translateX(3px)}
.nav-toggle{display:none;width:44px;height:44px;border-radius:14px;border:1px solid var(--line);background:#fff;color:var(--primary-dark);font-size:17px;margin-left:auto}
.nav-drawer{position:fixed;top:0;right:0;bottom:0;width:min(86vw,340px);background:#fff;box-shadow:var(--sh-3);border-radius:24px 0 0 24px;transform:translateX(104%);transition:transform .32s var(--ease);z-index:1045;padding:28px 24px;display:flex;flex-direction:column;gap:8px}
.nav-drawer.open{transform:translateX(0)}
.nav-drawer a.drawer-link{padding:14px 4px;font-size:16px;font-weight:600;color:var(--text);border-bottom:1px solid var(--line)}
.nav-drawer .drawer-actions{margin-top:auto;display:flex;flex-direction:column;gap:12px}
.nav-drawer .drawer-actions a{justify-content:center;width:100%}
.drawer-mask{position:fixed;inset:0;background:rgba(11,33,30,.45);opacity:0;visibility:hidden;transition:opacity .3s var(--ease);z-index:1040}
.drawer-mask.open{opacity:1;visibility:visible}
.drawer-close{align-self:flex-end;width:40px;height:40px;border-radius:12px;border:1px solid var(--line);background:#fff;color:var(--primary-dark);font-size:16px}

/* 通用区块 */
.section{padding:96px 0}
.section-sm{padding:72px 0}
.section-alt{background:var(--surface-2)}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px;flex-wrap:wrap}
.section-head p{color:var(--muted);font-size:15px;margin:8px 0 0;max-width:560px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;letter-spacing:.06em;color:var(--primary-dark);background:rgba(15,181,160,.1);border-radius:999px;padding:6px 14px;margin-bottom:16px}
.btn-text{display:inline-flex;align-items:center;gap:6px;color:var(--primary-dark)!important;font-size:15px;font-weight:600}
.btn-text i{transition:transform .28s var(--ease)}
.btn-text:hover i{transform:translateX(3px)}
.chip{display:inline-flex;align-items:center;gap:6px;font-size:12px;font-weight:600;color:var(--primary-dark);background:rgba(15,181,160,.1);border-radius:999px;padding:4px 12px}
.chip-accent{color:#B5501F;background:rgba(255,138,76,.16)}

/* Hero */
.hero{position:relative;padding:72px 0 88px;overflow:hidden}
.hero-glow{position:absolute;border-radius:50%;filter:blur(70px);pointer-events:none}
.hero-glow.g1{width:380px;height:380px;background:rgba(15,181,160,.18);top:-120px;left:-80px}
.hero-glow.g2{width:320px;height:320px;background:rgba(255,138,76,.14);bottom:-140px;right:-60px}
.hero-grid{position:relative;display:grid;grid-template-columns:7fr 5fr;gap:48px;align-items:center}
.hero h1{margin-bottom:18px}
.hero-sub{font-size:18px;color:var(--muted);max-width:520px;margin-bottom:28px}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:36px}
.btn-main{display:inline-flex;align-items:center;gap:8px;padding:14px 28px;border-radius:999px;background:var(--brand);color:#fff!important;font-size:16px;font-weight:600;box-shadow:0 12px 26px rgba(15,181,160,.28);transition:all .28s var(--ease)}
.btn-main:hover{transform:translateY(-2px);filter:brightness(1.04);box-shadow:0 18px 34px rgba(15,181,160,.34)}
.btn-main:active{transform:translateY(1px)}
.btn-line{display:inline-flex;align-items:center;gap:8px;padding:14px 26px;border-radius:999px;background:#fff;border:1px solid var(--line);color:var(--primary-dark)!important;font-size:16px;font-weight:600;transition:all .28s var(--ease)}
.btn-line:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:var(--primary-light)}
.hero-badges{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px}
.stat{background:#fff;border:1px solid var(--line);border-radius:14px;padding:14px 16px;box-shadow:var(--sh-1);transition:transform .28s var(--ease),box-shadow .28s var(--ease)}
.stat:hover{transform:scale(1.02);box-shadow:var(--sh-2)}
.stat-num{font-family:"Barlow","DIN Alternate",ui-monospace,monospace;font-size:26px;font-weight:700;background:var(--brand);-webkit-background-clip:text;background-clip:text;color:transparent;line-height:1.1}
.stat-unit{font-size:12px;color:var(--muted);margin-left:2px}
.stat-label{display:block;font-size:13px;color:var(--muted);margin-top:4px}
.hero-media{position:relative}
.hero-media img{width:100%;border-radius:var(--r-xl);box-shadow:var(--sh-3);object-fit:cover;min-height:320px}
.hero-float{position:absolute;right:-8px;bottom:-22px;background:#fff;border-radius:var(--r-md);box-shadow:var(--sh-3);padding:16px 20px;border:1px solid var(--line);min-width:190px}
.hero-float .hf-num{font-family:"Barlow","DIN Alternate",ui-monospace,monospace;font-size:28px;font-weight:700;color:var(--primary-dark);line-height:1.1}
.hero-float .hf-text{font-size:13px;color:var(--muted)}

/* 活动卖点 */
.promo-grid{display:grid;grid-template-columns:5fr 7fr;gap:24px;align-items:stretch}
.promo-card{background:rgba(15,181,160,.08);border-radius:var(--r-lg);padding:36px 32px;display:flex;flex-direction:column;gap:20px}
.promo-icon{width:56px;height:56px;border-radius:18px;background:#fff;color:var(--primary-dark);display:flex;align-items:center;justify-content:center;font-size:22px;box-shadow:var(--sh-1)}
.promo-card ul li{display:flex;gap:10px;align-items:flex-start;font-size:15px;color:var(--muted);padding:7px 0}
.promo-card ul li i{color:var(--primary);margin-top:5px}
.promo-list{display:flex;flex-direction:column;gap:20px}
.promo-row{display:flex;gap:22px;align-items:flex-start;background:#fff;border:1px solid var(--line);border-left:4px solid var(--primary);border-radius:var(--r-md);padding:24px;min-height:96px;box-shadow:var(--sh-1);transition:transform .28s var(--ease),box-shadow .28s var(--ease)}
.promo-row:hover{transform:translateY(-4px);box-shadow:var(--sh-3)}
.promo-row .num{font-family:"Barlow","DIN Alternate",ui-monospace,monospace;font-size:22px;font-weight:700;color:var(--primary-light);line-height:1.2;flex-shrink:0}
.promo-row h3{margin-bottom:6px}
.promo-row p{margin:0;color:var(--muted);font-size:15px}

/* 亮点图墙 */
.gallery{display:grid;grid-template-columns:repeat(12,1fr);grid-auto-rows:150px;gap:20px}
.g-item{position:relative;overflow:hidden;border-radius:20px;box-shadow:var(--sh-1)}
.g-item img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease)}
.g-item::after{content:"";position:absolute;left:0;right:0;bottom:0;height:62%;background:linear-gradient(to top,rgba(11,33,30,.72),rgba(11,33,30,0));transition:opacity .35s var(--ease)}
.g-item span{position:absolute;left:18px;bottom:14px;z-index:2;color:#fff;font-size:14px;font-weight:600}
.g-item:hover img{transform:scale(1.04)}
.g-item:hover::after{opacity:.92}
.g-1{grid-column:span 6;grid-row:span 2}
.g-2{grid-column:span 3}
.g-3{grid-column:span 3}
.g-4{grid-column:span 3}
.g-5{grid-column:span 3}

/* CTA 报名 */
.cta-card{background:var(--brand);border-radius:28px;padding:48px;display:grid;grid-template-columns:1.1fr .9fr;gap:44px;align-items:center;color:#fff;box-shadow:var(--sh-3)}
.cta-card h2{color:#fff}
.cta-card p{color:rgba(255,255,255,.9);margin:12px 0 0;font-size:15px}
.cta-note{font-size:13px;color:rgba(255,255,255,.85);margin-top:18px}
.cta-form{background:rgba(255,255,255,.14);border-radius:var(--r-lg);padding:24px;border:1px solid rgba(255,255,255,.28)}
.cta-form .form-control{border:none;height:52px}
.cta-form .btn-main{background:#fff;color:var(--primary-dark)!important;box-shadow:0 10px 22px rgba(11,33,30,.18);width:100%;justify-content:center}
.cta-form .btn-main:hover{filter:none;background:#fff}
.form-tip{font-size:13px;color:rgba(255,255,255,.92);margin-top:12px;min-height:20px}
.form-tip.err{color:#FFE3D6;font-weight:600}
.cta-mini{font-size:13px;color:rgba(255,255,255,.85);margin-top:10px}

/* 最新信息 */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.news-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--sh-1);overflow:hidden;display:flex;flex-direction:column;transition:transform .28s var(--ease),box-shadow .28s var(--ease)}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--sh-3)}
.news-card--wide{grid-column:span 2}
.news-thumb{display:block;aspect-ratio:16/9;overflow:hidden;background:var(--surface-2)}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease)}
.news-card:hover .news-thumb img{transform:scale(1.05)}
.news-body{padding:22px 24px 24px;display:flex;flex-direction:column;gap:10px;flex:1}
.news-title{font-size:18px;line-height:1.45;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-title a{color:var(--text)}
.news-title a:hover{color:var(--primary-dark)}
.news-excerpt{font-size:14px;color:var(--muted);margin:0;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-meta{margin-top:auto;font-size:13px;color:var(--muted);display:flex;align-items:center;gap:8px;padding-top:10px;border-top:1px dashed var(--line)}
.news-more{font-size:14px;font-weight:600;color:var(--primary-dark)!important;display:inline-flex;align-items:center;gap:6px}
.news-empty{text-align:center;background:#fff;border:1px dashed var(--line);border-radius:var(--r-lg);padding:56px 24px;box-shadow:var(--sh-1)}
.news-empty i{font-size:30px;color:var(--primary-light)}
.news-empty p{font-size:14px;color:var(--muted);margin:14px 0 18px}

/* FAQ */
.faq-wrap{display:grid;grid-template-columns:4fr 8fr;gap:40px;align-items:start}
.faq-side p{color:var(--muted);font-size:15px}
.faq-accordion .accordion-item{background:#fff;border:1px solid var(--line);border-radius:var(--r-md);margin-bottom:12px;overflow:hidden;box-shadow:var(--sh-1)}
.faq-accordion .accordion-button{background:#fff;color:var(--text);font-size:17px;font-weight:600;padding:20px 56px 20px 22px;border-radius:var(--r-md);position:relative;box-shadow:none}
.faq-accordion .accordion-button:not(.collapsed){color:var(--primary-dark);box-shadow:inset 4px 0 0 var(--primary);background:#fff}
.faq-accordion .accordion-button::after{display:none}
.faq-accordion .accordion-button::before{content:"+";position:absolute;right:20px;top:50%;transform:translateY(-50%);width:28px;height:28px;border-radius:50%;background:rgba(15,181,160,.12);color:var(--primary-dark);font-size:18px;font-weight:600;display:flex;align-items:center;justify-content:center;transition:transform .3s var(--ease),background .3s var(--ease)}
.faq-accordion .accordion-button:not(.collapsed)::before{content:"−";background:var(--primary);color:#fff;transform:translateY(-50%) rotate(180deg)}
.faq-accordion .accordion-body{font-size:15px;color:var(--muted);padding:0 22px 22px}
.faq-accordion .accordion-button:focus{box-shadow:inset 4px 0 0 var(--primary),0 0 0 3px rgba(15,181,160,.2)}

/* 页脚 */
.site-footer{background:var(--dark);color:rgba(255,255,255,.72);padding:72px 0 0;margin-top:24px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;padding-bottom:48px}
.footer-brand .brand-main{color:#fff}
.footer-brand .brand-sub{color:rgba(255,255,255,.5)}
.footer-brand p{font-size:14px;color:rgba(255,255,255,.62);margin-top:16px;max-width:320px}
.footer-col h4{color:#fff;font-size:16px;margin-bottom:16px}
.footer-col a{display:block;color:rgba(255,255,255,.68)!important;font-size:14px;padding:6px 0;transition:all .28s var(--ease)}
.footer-col a:hover{color:var(--primary-light)!important;transform:translateX(2px)}
.footer-info{font-size:14px;line-height:2;color:rgba(255,255,255,.68)}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);padding:20px 0;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:rgba(255,255,255,.55)}

/* 响应式 */
@media (max-width:1199px){
  .hero-grid{gap:36px}
  .hero-badges{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:991px){
  .section{padding:72px 0}
  .section-sm{padding:56px 0}
  .nav-links,.nav-actions{display:none}
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center}
  .hero{padding:48px 0 64px}
  .hero-grid{grid-template-columns:1fr}
  .hero-media{order:-1}
  .hero-media img{min-height:240px}
  .hero-float{right:12px;bottom:-18px}
  .promo-grid{grid-template-columns:1fr}
  .promo-row{min-height:auto}
  .gallery{grid-template-columns:repeat(2,1fr);grid-auto-rows:140px}
  .g-1{grid-column:span 2;grid-row:span 2}
  .g-2,.g-3,.g-4,.g-5{grid-column:span 1}
  .cta-card{grid-template-columns:1fr;padding:32px;gap:28px}
  .news-grid{grid-template-columns:repeat(2,1fr)}
  .news-card--wide{grid-column:span 2}
  .faq-wrap{grid-template-columns:1fr;gap:28px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:767px){
  body{font-size:16px}
  .container{padding:0 18px}
  .section{padding:56px 0}
  .cd-label span.tx{display:none}
  .cd-cell:nth-child(4){display:none}
  .cd-unit{display:none}
  .cd-num{font-size:17px}
  .cd-cell{min-width:44px;padding:4px 8px}
  .hero-badges{grid-template-columns:repeat(2,minmax(0,1fr))}
  .hero-cta .btn-main,.hero-cta .btn-line{width:100%;justify-content:center}
  .promo-row{flex-direction:column;gap:12px}
  .gallery{grid-template-columns:repeat(2,1fr);grid-auto-rows:150px;gap:14px}
  .g-1{grid-column:span 2;grid-row:span 2}
  .news-grid{grid-template-columns:1fr}
  .news-card--wide{grid-column:span 1}
  .cta-card{padding:24px;border-radius:22px}
  .footer-grid{grid-template-columns:1fr;gap:32px}
  .footer-bottom{flex-direction:column;gap:8px}
}
@media (max-width:520px){
  .hero-float{position:static;margin-top:16px;box-shadow:var(--sh-2)}
  .brand-main{font-size:15px}
}

/* roulang page: article */
:root{
  --brand:#0FB5A0;
  --brand-deep:#087A6E;
  --brand-soft:#7FE3D4;
  --accent:#FF8A4C;
  --accent-soft:#FFD9C2;
  --bg:#F6F9F8;
  --surface:#FFFFFF;
  --surface-2:#F1F5F4;
  --line:#E3EBE9;
  --ink:#16302B;
  --muted:#5A736D;
  --dark:#0B211E;
  --brand-grad:linear-gradient(135deg,#0FB5A0 0%,#3ED6BE 45%,#FF9A5A 100%);
  --r-sm:10px;
  --r-md:16px;
  --r-lg:24px;
  --r-xl:32px;
  --sh-1:0 2px 6px rgba(11,33,30,.05);
  --sh-2:0 12px 30px rgba(11,33,30,.08);
  --sh-3:0 24px 60px rgba(11,33,30,.12);
  --ease:.28s cubic-bezier(.2,.7,.3,1);
  --bs-primary:#0FB5A0;
  --bs-primary-rgb:15,181,160;
  --bs-body-color:#16302B;
  --bs-body-bg:#F6F9F8;
  --bs-border-color:#E3EBE9;
  --bs-border-radius:16px;
  --bs-link-color:#087A6E;
  --bs-link-hover-color:#0FB5A0;
  --bs-font-sans-serif:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:17px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--brand-deep);text-decoration:none;transition:color var(--ease),background var(--ease),border-color var(--ease),transform var(--ease),box-shadow var(--ease);}
button,input,select,textarea{font-family:inherit;font-size:inherit;}
h1,h2,h3,h4,h5{margin:0;font-weight:700;letter-spacing:-.01em;color:var(--ink);}
p{margin:0;}
ul,ol{margin:0;}
::selection{background:rgba(15,181,160,.22);}
:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(15,181,160,.3);border-radius:6px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;}
@media (min-width:1400px){.container{max-width:1280px;}}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(246,249,248,.92);
  backdrop-filter:saturate(180%) blur(8px);
  -webkit-backdrop-filter:saturate(180%) blur(8px);
  border-bottom:1px solid var(--line);
}
.nav-inner{display:flex;align-items:center;gap:24px;height:72px;}
.brand{display:flex;align-items:center;gap:12px;flex-shrink:0;}
.brand-mark{
  width:42px;height:42px;border-radius:14px;
  display:flex;align-items:center;justify-content:center;
  background:var(--brand-grad);color:#fff;font-size:18px;
  box-shadow:var(--sh-2);
}
.brand-text{display:flex;flex-direction:column;line-height:1.2;}
.brand-main{font-size:16.5px;font-weight:700;color:var(--ink);letter-spacing:-.01em;}
.brand-sub{font-size:11.5px;color:var(--muted);letter-spacing:.08em;}
.nav-links{display:flex;align-items:center;gap:26px;margin-left:8px;}
.nav-link{
  position:relative;font-size:15px;color:var(--muted);font-weight:500;
  padding:6px 0;display:inline-flex;align-items:center;gap:6px;
}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;
  background:var(--brand-grad);border-radius:2px;
  transform:scaleX(0);transform-origin:left;transition:transform var(--ease);
}
.nav-link:hover{color:var(--brand-deep);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.active{color:var(--brand-deep);font-weight:600;}
.nav-link.active::after{transform:scaleX(1);}
.nav-dot{width:6px;height:6px;border-radius:50%;background:var(--accent);display:inline-block;}
.nav-actions{margin-left:auto;display:flex;align-items:center;gap:12px;}
.btn-brand-pill{
  display:inline-flex;align-items:center;gap:8px;
  height:44px;padding:0 22px;border-radius:999px;border:0;
  background:var(--brand-grad);color:#fff;font-size:15px;font-weight:600;
  box-shadow:0 8px 20px rgba(15,181,160,.28);
  transition:transform var(--ease),box-shadow var(--ease),filter var(--ease);
}
.btn-brand-pill:hover{transform:translateY(-2px);box-shadow:0 14px 30px rgba(15,181,160,.34);filter:brightness(1.04);color:#fff;}
.btn-brand-pill:active{transform:translateY(1px);}
.btn-ghost-pill{
  display:inline-flex;align-items:center;gap:8px;
  height:44px;padding:0 20px;border-radius:999px;
  background:#fff;border:1px solid var(--line);color:var(--brand-deep);
  font-size:15px;font-weight:600;
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.btn-ghost-pill:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:var(--brand-soft);}
.btn-ghost-pill:active{transform:translateY(1px);}
.nav-toggle{
  display:none;margin-left:auto;width:44px;height:44px;border-radius:14px;
  border:1px solid var(--line);background:#fff;color:var(--ink);font-size:17px;
}
.drawer-mask{
  position:fixed;inset:0;background:rgba(11,33,30,.42);z-index:1050;
  opacity:0;visibility:hidden;transition:opacity var(--ease),visibility var(--ease);
}
.drawer-mask.show{opacity:1;visibility:visible;}
.mobile-drawer{
  position:fixed;top:0;right:0;height:100%;width:min(320px,86vw);
  background:var(--surface);z-index:1060;
  border-radius:24px 0 0 24px;
  box-shadow:var(--sh-3);
  transform:translateX(102%);transition:transform var(--ease);
  display:flex;flex-direction:column;padding:22px;
}
.mobile-drawer.show{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:22px;}
.drawer-head .brand-main{font-size:15.5px;}
.drawer-close{width:38px;height:38px;border-radius:12px;border:1px solid var(--line);background:var(--surface-2);color:var(--ink);}
.drawer-links{display:flex;flex-direction:column;gap:4px;}
.drawer-links a{padding:13px 12px;border-radius:var(--r-sm);color:var(--ink);font-size:15.5px;font-weight:500;}
.drawer-links a:hover,.drawer-links a.active{background:var(--surface-2);color:var(--brand-deep);}
.drawer-actions{margin-top:auto;display:flex;flex-direction:column;gap:12px;padding-top:20px;}
.drawer-actions .btn-brand-pill,.drawer-actions .btn-ghost-pill{width:100%;justify-content:center;}

/* ---------- 面包屑 ---------- */
.crumb-bar{padding:22px 0 0;}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:14px;color:var(--muted);}
.crumb a{color:var(--muted);}
.crumb a:hover{color:var(--brand-deep);}
.crumb .sep{color:#C3D3D0;}
.crumb .current{color:var(--brand-deep);font-weight:600;}

/* ---------- 文章头 ---------- */
.article-head{padding:22px 0 40px;}
.head-panel{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-xl);
  box-shadow:var(--sh-2);padding:36px;overflow:hidden;position:relative;
}
.head-panel::before{
  content:"";position:absolute;right:-90px;top:-90px;width:280px;height:280px;border-radius:50%;
  background:radial-gradient(circle,rgba(127,227,212,.45),transparent 68%);
}
.head-inner{position:relative;max-width:900px;}
.article-title{
  font-size:clamp(26px,3.6vw,40px);line-height:1.28;letter-spacing:-.015em;margin-bottom:18px;
}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:13.5px;color:var(--muted);}
.meta-chip{
  display:inline-flex;align-items:center;gap:7px;
  padding:6px 13px;border-radius:999px;background:var(--surface-2);
  border:1px solid var(--line);font-size:13px;color:var(--muted);
}
.meta-chip.tag{background:rgba(15,181,160,.1);border-color:rgba(15,181,160,.25);color:var(--brand-deep);font-weight:600;}
.cover-figure{margin-top:32px;border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-2);}
.cover-figure img{width:100%;aspect-ratio:16/9;object-fit:cover;}

/* ---------- 正文布局 ---------- */
.article-wrap{padding-bottom:24px;}
.article-grid{display:grid;grid-template-columns:minmax(0,1fr);gap:32px;}
@media (min-width:1200px){.article-grid{grid-template-columns:minmax(0,1fr) 240px;gap:48px;}}
.article-panel{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--sh-1);padding:34px 32px;
}
.article-body{max-width:820px;font-size:17.5px;line-height:1.9;color:var(--ink);overflow-x:hidden;}
.article-body p{margin:0 0 1.1em;}
.article-body h2{
  font-size:clamp(21px,2.2vw,26px);line-height:1.45;
  margin:40px 0 16px;padding-left:14px;border-left:4px solid var(--brand);
}
.article-body h2:first-child{margin-top:0;}
.article-body h3{font-size:19px;margin:28px 0 12px;color:var(--brand-deep);}
.article-body h4{font-size:17px;margin:22px 0 10px;}
.article-body ul{list-style:none;padding-left:0;margin:0 0 1.1em;}
.article-body ul li{position:relative;padding-left:20px;margin-bottom:10px;}
.article-body ul li::before{
  content:"";position:absolute;left:0;top:.68em;width:8px;height:8px;border-radius:2px;background:var(--brand);
}
.article-body ol{padding-left:1.5em;margin:0 0 1.1em;}
.article-body ol li{margin-bottom:10px;}
.article-body blockquote{
  margin:22px 0;padding:16px 20px;background:#E9F8F5;
  border-left:4px solid var(--brand);border-radius:12px;color:#1E4C46;
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body a{color:var(--brand-deep);text-decoration:underline;text-underline-offset:3px;}
.article-body a:hover{color:var(--brand);}
.article-body img{border-radius:16px;margin:16px 0;}
.article-body figure{margin:22px 0;}
.article-body figcaption{font-size:13px;color:var(--muted);text-align:center;margin-top:8px;}
.article-body table{
  width:100%;border-collapse:separate;border-spacing:0;margin:22px 0;font-size:15.5px;
  border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;
}
.article-body table th{background:#E9F8F5;color:var(--brand-deep);font-weight:600;text-align:left;}
.article-body table th,.article-body table td{padding:12px 14px;border-bottom:1px solid var(--line);}
.article-body table tbody tr:nth-child(even){background:#FAFCFC;}
.article-body table tbody tr:hover{background:rgba(15,181,160,.05);}
.article-body table tr:last-child td{border-bottom:0;}
.article-body pre{
  background:var(--dark);color:#D7F5F0;border-radius:12px;padding:18px 20px;
  overflow-x:auto;font-family:ui-monospace,SFMono-Regular,"Barlow",Menlo,Consolas,monospace;
  font-size:14.5px;line-height:1.7;margin:20px 0;
}
.article-body code{
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  background:var(--surface-2);border-radius:6px;padding:2px 6px;font-size:.92em;color:var(--brand-deep);
}
.article-body pre code{background:transparent;color:inherit;padding:0;}
.article-body hr{border:0;border-top:1px solid var(--line);margin:34px 0;}
.article-body h2 + p,.article-body h3 + p{margin-top:0;}

/* ---------- 侧栏目录 ---------- */
.article-aside{display:none;}
@media (min-width:1200px){.article-aside{display:block;}}
.toc-card{
  position:sticky;top:96px;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--sh-1);padding:22px 20px;
}
.toc-card h3{font-size:14px;color:var(--muted);font-weight:600;letter-spacing:.08em;margin-bottom:14px;}
.toc-list{display:flex;flex-direction:column;gap:2px;max-height:52vh;overflow-y:auto;}
.toc-list a{
  display:block;font-size:14px;color:var(--muted);padding:8px 10px;border-radius:var(--r-sm);
  border-left:2px solid transparent;line-height:1.5;
}
.toc-list a:hover{background:var(--surface-2);color:var(--brand-deep);border-left-color:var(--brand);}
.toc-list a.active{background:rgba(15,181,160,.1);color:var(--brand-deep);border-left-color:var(--brand);font-weight:600;}
.toc-tip{margin-top:16px;padding-top:16px;border-top:1px dashed var(--line);font-size:13px;color:var(--muted);line-height:1.7;}
.toc-mobile{display:block;margin-bottom:16px;}
@media (min-width:1200px){.toc-mobile{display:none;}}
.toc-mobile-btn{
  width:100%;display:flex;align-items:center;justify-content:space-between;
  height:48px;padding:0 18px;border-radius:14px;background:var(--surface);
  border:1px solid var(--line);color:var(--ink);font-size:15px;font-weight:600;
}
.toc-mobile-body{display:none;margin-top:10px;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);padding:12px;}
.toc-mobile-body.show{display:block;}

/* ---------- 空态 ---------- */
.empty-state{
  text-align:center;padding:60px 24px;background:var(--surface);
  border:1px dashed var(--line);border-radius:var(--r-lg);
}
.empty-state i{font-size:36px;color:var(--brand-soft);margin-bottom:16px;display:block;}
.empty-state h2{font-size:21px;margin-bottom:10px;}
.empty-state p{color:var(--muted);font-size:15px;margin-bottom:22px;}

/* ---------- 文末模块 ---------- */
.after-block{padding:56px 0 0;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:24px;}
.section-head h2{font-size:clamp(21px,2.4vw,28px);}
.section-head p{font-size:14.5px;color:var(--muted);margin-top:6px;}
.text-link{color:var(--brand-deep);font-size:14.5px;font-weight:600;display:inline-flex;align-items:center;gap:6px;white-space:nowrap;}
.text-link i{transition:transform var(--ease);}
.text-link:hover i{transform:translateX(3px);}
.related-grid{display:grid;grid-template-columns:1fr;gap:24px;}
@media (min-width:768px){.related-grid{grid-template-columns:repeat(2,1fr);}}
@media (min-width:992px){.related-grid{grid-template-columns:repeat(3,1fr);}}
.post-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--sh-1);overflow:hidden;display:flex;flex-direction:column;
  transition:transform var(--ease),box-shadow var(--ease);
}
.post-card:hover{transform:translateY(-4px);box-shadow:var(--sh-3);}
.post-thumb{position:relative;aspect-ratio:16/9;overflow:hidden;}
.post-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s cubic-bezier(.2,.7,.3,1);}
.post-card:hover .post-thumb img{transform:scale(1.04);}
.post-tag{
  position:absolute;left:14px;bottom:14px;
  padding:5px 12px;border-radius:999px;font-size:12.5px;font-weight:600;
  background:rgba(255,255,255,.92);color:var(--brand-deep);backdrop-filter:blur(4px);
}
.post-body{padding:20px 22px 24px;display:flex;flex-direction:column;flex:1;}
.post-title{font-size:17.5px;line-height:1.5;margin-bottom:10px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.post-card:hover .post-title{color:var(--brand-deep);}
.post-excerpt{
  font-size:14.5px;color:var(--muted);line-height:1.7;margin-bottom:16px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.post-meta{margin-top:auto;display:flex;align-items:center;gap:8px;font-size:13px;color:var(--muted);}
.pn-grid{display:grid;grid-template-columns:1fr;gap:16px;margin-top:32px;}
@media (min-width:768px){.pn-grid{grid-template-columns:repeat(2,1fr);}}
.pn-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);
  padding:18px 20px;box-shadow:var(--sh-1);transition:transform var(--ease),box-shadow var(--ease);
}
.pn-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);}
.pn-card span{display:block;font-size:13px;color:var(--muted);margin-bottom:6px;}
.pn-card strong{font-size:16px;font-weight:600;color:var(--ink);line-height:1.5;}
.pn-card:hover strong{color:var(--brand-deep);}

/* ---------- 规则说明 ---------- */
.rules-block{padding:64px 0 0;}
.rules-grid{display:grid;grid-template-columns:1fr;gap:18px;}
@media (min-width:768px){.rules-grid{grid-template-columns:repeat(2,1fr);}}
@media (min-width:1200px){.rules-grid{grid-template-columns:repeat(4,1fr);}}
.rule-item{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);
  box-shadow:var(--sh-1);padding:22px;transition:transform var(--ease),box-shadow var(--ease);
}
.rule-item:hover{transform:translateY(-4px);box-shadow:var(--sh-2);}
.rule-item .num{
  font-family:"Barlow",ui-monospace,monospace;font-size:20px;font-weight:700;
  background:var(--brand-grad);-webkit-background-clip:text;background-clip:text;color:transparent;
  display:block;margin-bottom:12px;
}
.rule-item h4{font-size:16px;margin-bottom:8px;}
.rule-item p{font-size:14.5px;color:var(--muted);line-height:1.75;}

/* ---------- CTA ---------- */
.cta-band{padding:64px 0 0;}
.cta-card{
  background:var(--brand-grad);border-radius:28px;padding:40px;
  box-shadow:0 24px 60px rgba(15,181,160,.28);
  display:grid;grid-template-columns:1fr;gap:28px;align-items:center;color:#fff;
}
@media (min-width:992px){.cta-card{grid-template-columns:1.15fr .85fr;gap:40px;padding:48px;}}
.cta-card h2{color:#fff;font-size:clamp(22px,2.8vw,30px);margin-bottom:12px;}
.cta-card p{font-size:15.5px;color:rgba(255,255,255,.92);line-height:1.75;}
.cta-note{font-size:13px;color:rgba(255,255,255,.8);margin-top:12px;}
.cta-form{display:flex;flex-direction:column;gap:12px;}
.cta-form .form-control{
  height:48px;border-radius:999px;border:0;padding:0 20px;font-size:15px;
  background:#fff;color:var(--ink);box-shadow:0 6px 16px rgba(11,33,30,.12);
}
.cta-form .form-control:focus{box-shadow:0 0 0 3px rgba(255,255,255,.55);}
.cta-form .btn-submit{
  height:48px;border-radius:999px;border:0;background:#0B211E;color:#fff;
  font-size:15.5px;font-weight:600;transition:transform var(--ease),filter var(--ease);
}
.cta-form .btn-submit:hover{transform:translateY(-2px);filter:brightness(1.15);}
.cta-form .btn-submit:active{transform:translateY(1px);}
.cta-form .hint{font-size:12.5px;color:rgba(255,255,255,.85);padding-left:8px;}

/* ---------- 页脚 ---------- */
.site-footer{margin-top:80px;background:var(--dark);color:#C7D8D4;padding:64px 0 0;}
.footer-grid{display:grid;grid-template-columns:1fr;gap:34px;}
@media (min-width:768px){.footer-grid{grid-template-columns:repeat(2,1fr);}}
@media (min-width:992px){.footer-grid{grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:40px;}}
.site-footer .brand-main{color:#fff;}
.site-footer .brand-sub{color:#8FB3AD;}
.footer-brand p{font-size:14.5px;color:#93B2AC;line-height:1.8;margin-top:16px;max-width:340px;}
.footer-col h4{font-size:15px;color:#fff;margin-bottom:16px;font-weight:600;}
.footer-col a{display:block;font-size:14.5px;color:#A7C4BE;padding:6px 0;}
.footer-col a:hover{color:var(--brand-soft);transform:translateX(2px);}
.footer-info{font-size:14.5px;color:#A7C4BE;line-height:2;}
.footer-bottom{
  margin-top:44px;padding:22px 0;border-top:1px solid rgba(255,255,255,.1);
  display:flex;flex-direction:column;gap:8px;
  font-size:13.5px;color:#8FB3AD;
}
@media (min-width:768px){.footer-bottom{flex-direction:row;align-items:center;justify-content:space-between;}}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .nav-links{gap:20px;}
}
@media (max-width:991px){
  .nav-links,.nav-actions{display:none;}
  .nav-toggle{display:flex;align-items:center;justify-content:center;}
  .head-panel{padding:28px 22px;}
  .article-panel{padding:26px 20px;}
  .article-body{font-size:17px;}
}
@media (max-width:767px){
  .nav-inner{height:64px;}
  .brand-mark{width:38px;height:38px;border-radius:12px;font-size:16px;}
  .brand-main{font-size:15px;}
  .brand-sub{font-size:10.5px;}
  .crumb-bar{padding-top:16px;}
  .article-head{padding:16px 0 28px;}
  .head-panel{padding:22px 18px;border-radius:var(--r-lg);}
  .cover-figure{margin-top:22px;}
  .article-panel{padding:22px 16px;border-radius:var(--r-lg);}
  .article-body{font-size:16.5px;line-height:1.85;}
  .article-body table{display:block;overflow-x:auto;white-space:nowrap;}
  .section-head{flex-direction:column;align-items:flex-start;}
  .cta-card{padding:26px 20px;border-radius:22px;}
  .site-footer{padding-top:48px;}
  .footer-grid{gap:32px;}
}
@media (max-width:519px){
  .article-title{font-size:25px;}
  .meta-chip{font-size:12.5px;padding:5px 11px;}
  .article-panel{padding:20px 14px;}
  .toc-card{padding:18px 16px;}
}

/* roulang page: category1 */
:root{
  --brand-c:#0FB5A0;
  --brand-d:#087A6E;
  --brand-l:#7FE3D4;
  --accent:#FF8A4C;
  --accent-l:#FFD9C2;
  --bg:#F6F9F8;
  --surface:#FFFFFF;
  --surface-2:#F1F5F4;
  --line:#E3EBE9;
  --text:#16302B;
  --text-2:#5A736D;
  --dark:#0B211E;
  --brand:linear-gradient(135deg,#0FB5A0 0%,#3ED6BE 45%,#FF9A5A 100%);
  --r-sm:10px;--r-md:16px;--r-lg:24px;--r-xl:32px;
  --sh-1:0 2px 6px rgba(11,33,30,.05);
  --sh-2:0 12px 30px rgba(11,33,30,.08);
  --sh-3:0 24px 60px rgba(11,33,30,.12);
  --ease:.28s cubic-bezier(.2,.7,.3,1);
  --bs-primary:#0FB5A0;
  --bs-body-color:#16302B;
  --bs-body-bg:#F6F9F8;
  --bs-border-radius:16px;
  --bs-link-color:#087A6E;
  --bs-link-hover-color:#0FB5A0;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:17px;line-height:1.8;color:var(--text);background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--brand-d);text-decoration:none;transition:color var(--ease)}
a:hover{color:var(--brand-c)}
h1,h2,h3,h4{margin:0;color:var(--text);letter-spacing:-.01em;font-weight:700}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
button{font-family:inherit}
a:focus-visible,button:focus-visible,input:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(15,181,160,.3);border-radius:8px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
@media (min-width:1400px){.container{max-width:1280px}}
.section{padding:96px 0}
.section-sm{padding:72px 0}
.bg-soft{background:var(--surface-2)}

/* ---------- 倒计时条 ---------- */
.countdown-bar{background:var(--brand);color:#fff}
.cd-inner{display:flex;align-items:center;gap:20px;min-height:44px;padding-top:6px;padding-bottom:6px;flex-wrap:nowrap}
.cd-tag{font-size:14px;font-weight:600;white-space:nowrap}
.cd-nums{display:flex;gap:6px;margin-left:auto}
.cd-block{
  min-width:56px;padding:2px 8px;border-radius:8px;background:rgba(255,255,255,.16);
  display:flex;flex-direction:column;align-items:center;line-height:1.15;
}
.cd-num{font-family:"Barlow","DIN Alternate",ui-monospace,monospace;font-size:20px;font-weight:700;letter-spacing:.02em}
.cd-unit{font-size:11px;opacity:.9}
.cd-link{
  background:rgba(255,255,255,.9);color:var(--brand-d);font-size:13px;font-weight:600;
  padding:5px 14px;border-radius:999px;white-space:nowrap;transition:var(--ease);
}
.cd-link:hover{background:#fff;color:var(--brand-d);transform:translateY(-1px)}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:1000;
  background:rgba(246,249,248,.9);
  backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);
}
.nav-inner{display:flex;align-items:center;gap:28px;height:72px}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{
  width:38px;height:38px;border-radius:12px;background:var(--brand);color:#fff;
  display:flex;align-items:center;justify-content:center;font-size:17px;box-shadow:var(--sh-1);
}
.brand-text{display:flex;flex-direction:column;line-height:1.2}
.brand-main{font-size:16px;font-weight:700;color:var(--text);letter-spacing:-.01em}
.brand-sub{font-size:11px;color:var(--text-2);letter-spacing:.08em}
.nav-links{display:flex;align-items:center;gap:26px;margin-left:8px}
.nav-link{
  position:relative;font-size:15px;color:var(--text);padding:6px 0;white-space:nowrap;
}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;background:var(--brand);
  transform:scaleX(0);transform-origin:left;transition:transform var(--ease);border-radius:2px;
}
.nav-link:hover::after,.nav-link.active::after{transform:scaleX(1)}
.nav-link.active{color:var(--brand-d);font-weight:600}
.nav-dot{
  display:inline-block;width:6px;height:6px;border-radius:50%;background:var(--accent);
  margin-left:6px;vertical-align:middle;
}
.nav-actions{display:flex;align-items:center;gap:12px;margin-left:auto}
.btn-ghost-pill{
  display:inline-flex;align-items:center;gap:6px;height:44px;padding:0 20px;border-radius:999px;
  background:#fff;border:1px solid var(--line);color:var(--brand-d);font-size:15px;font-weight:600;
  transition:var(--ease);white-space:nowrap;
}
.btn-ghost-pill:hover{border-color:var(--brand-l);color:var(--brand-d);transform:translateY(-2px);box-shadow:var(--sh-1)}
.btn-brand-pill{
  display:inline-flex;align-items:center;gap:8px;height:44px;padding:0 22px;border-radius:999px;
  background:var(--brand);color:#fff;font-size:15px;font-weight:600;border:none;
  box-shadow:0 8px 20px rgba(15,181,160,.28);transition:var(--ease);white-space:nowrap;
}
.btn-brand-pill:hover{color:#fff;transform:translateY(-2px);filter:brightness(1.04);box-shadow:0 12px 26px rgba(15,181,160,.34)}
.btn-brand-pill:active{transform:translateY(0)}
.nav-toggle{
  display:none;margin-left:auto;width:44px;height:44px;border-radius:14px;border:1px solid var(--line);
  background:#fff;color:var(--text);font-size:18px;align-items:center;justify-content:center;
}
.drawer-mask{
  position:fixed;inset:0;background:rgba(11,33,30,.42);opacity:0;visibility:hidden;
  transition:var(--ease);z-index:1100;
}
.drawer-mask.open{opacity:1;visibility:visible}
.nav-drawer{
  position:fixed;top:0;right:0;width:308px;max-width:86vw;height:100%;background:#fff;z-index:1200;
  border-radius:24px 0 0 24px;padding:24px 22px;display:flex;flex-direction:column;gap:6px;
  transform:translateX(105%);transition:transform var(--ease);box-shadow:var(--sh-3);overflow-y:auto;
}
.nav-drawer.open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px}
.drawer-close{width:38px;height:38px;border-radius:12px;border:1px solid var(--line);background:#fff;color:var(--text-2)}
.nav-drawer .nav-link{font-size:16px;padding:12px 0;border-bottom:1px solid var(--line)}
.nav-drawer .nav-link::after{display:none}
.drawer-actions{display:flex;flex-direction:column;gap:12px;margin-top:22px}
.drawer-actions .btn-ghost-pill,.drawer-actions .btn-brand-pill{width:100%;justify-content:center}

/* ---------- 分类 Hero ---------- */
.cat-hero{padding:36px 0 0}
.cat-hero-card{
  position:relative;border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--line);
  background:
    linear-gradient(100deg,rgba(255,255,255,.97) 0%,rgba(255,255,255,.9) 52%,rgba(246,249,248,.7) 100%),
    url('/assets/images/backpic/back-1.png') right center/cover no-repeat;
  box-shadow:var(--sh-2);padding:38px 40px;
  display:grid;grid-template-columns:1.4fr .9fr;gap:34px;align-items:center;
}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--brand-d);
  background:rgba(15,181,160,.1);border:1px solid rgba(15,181,160,.22);
  padding:5px 14px;border-radius:999px;margin-bottom:16px;
}
.cat-hero-card h1{font-size:clamp(28px,3.8vw,44px);line-height:1.2;margin-bottom:14px}
.cat-hero-card .hero-desc{font-size:17px;color:var(--text-2);max-width:560px;margin-bottom:22px}
.hero-btns{display:flex;gap:14px;flex-wrap:wrap}
.btn-main{
  display:inline-flex;align-items:center;gap:8px;padding:13px 26px;border-radius:14px;
  background:var(--brand);color:#fff;font-weight:600;font-size:16px;border:none;
  box-shadow:0 10px 24px rgba(15,181,160,.28);transition:var(--ease);
}
.btn-main:hover{color:#fff;transform:translateY(-2px);filter:brightness(1.04);box-shadow:0 14px 30px rgba(15,181,160,.34)}
.btn-main:active{transform:translateY(0)}
.btn-outline{
  display:inline-flex;align-items:center;gap:8px;padding:13px 24px;border-radius:14px;
  background:#fff;border:1px solid var(--line);color:var(--brand-d);font-weight:600;font-size:16px;
  transition:var(--ease);
}
.btn-outline:hover{border-color:var(--brand-l);transform:translateY(-2px);box-shadow:var(--sh-1);color:var(--brand-d)}
.cat-hero-stats{display:flex;flex-direction:column;gap:12px}
.badge-stat{
  background:rgba(255,255,255,.94);border:1px solid var(--line);border-radius:var(--r-md);
  padding:14px 18px;box-shadow:var(--sh-1);display:flex;align-items:baseline;gap:10px;
  transition:var(--ease);
}
.badge-stat:hover{transform:scale(1.02);box-shadow:var(--sh-2)}
.badge-stat .num{
  font-family:"Barlow","DIN Alternate",ui-monospace,monospace;font-size:26px;font-weight:700;
  background:var(--brand);-webkit-background-clip:text;background-clip:text;color:transparent;line-height:1;
}
.badge-stat .unit{font-size:13px;color:var(--text-2)}
.badge-stat .lab{font-size:13px;color:var(--text-2);margin-left:auto}

/* ---------- 通用区块头 ---------- */
.sec-head{max-width:760px;margin-bottom:44px}
.sec-head h2{font-size:clamp(24px,3vw,34px);line-height:1.25;margin-bottom:12px}
.sec-head p{color:var(--text-2);font-size:16px}
.sec-head-center{margin-left:auto;margin-right:auto;text-align:center}

/* ---------- 图文交错 ---------- */
.zz-row{display:grid;grid-template-columns:1fr 1fr;gap:52px;align-items:center;margin-bottom:72px}
.zz-row:last-child{margin-bottom:0}
.zz-row.reverse .zz-media{order:2}
.zz-media{position:relative;border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-2)}
.zz-media img{width:100%;aspect-ratio:4/3;object-fit:cover}
.zz-media .media-tag{
  position:absolute;left:16px;bottom:16px;background:rgba(11,33,30,.72);color:#fff;
  font-size:13px;padding:6px 14px;border-radius:999px;backdrop-filter:blur(4px);
}
.chip{
  display:inline-block;font-size:13px;font-weight:600;color:var(--brand-d);
  background:rgba(15,181,160,.1);border-radius:999px;padding:4px 12px;margin-bottom:14px;
}
.zz-text h3{font-size:20px;margin-bottom:14px}
.zz-text p{color:var(--text-2);font-size:16px;margin-bottom:16px}
.dot-list li{position:relative;padding-left:22px;color:var(--text-2);font-size:15px;margin-bottom:10px}
.dot-list li::before{
  content:"";position:absolute;left:0;top:.62em;width:8px;height:8px;border-radius:3px;
  background:var(--brand-c);
}
.dot-list li strong{color:var(--text);font-weight:600}

/* ---------- 时间轴 ---------- */
.timeline{max-width:920px;margin:0 auto}
.tl-item{display:grid;grid-template-columns:1fr 56px;gap:8px}
.tl-body{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:20px 24px;
  box-shadow:var(--sh-1);margin-bottom:22px;transition:var(--ease);
}
.tl-body:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:var(--brand-l)}
.tl-body h3{font-size:17px;margin-bottom:8px;display:flex;align-items:center;gap:10px}
.tl-body h3 .idx{
  font-family:"Barlow","DIN Alternate",ui-monospace,monospace;font-size:14px;font-weight:700;
  color:var(--brand-d);background:rgba(15,181,160,.12);border-radius:8px;padding:2px 9px;
}
.tl-body p{color:var(--text-2);font-size:15px}
.tl-axis{position:relative}
.tl-axis::before{
  content:"";position:absolute;left:27px;top:26px;bottom:-6px;width:2px;background:#DCE6E4;
}
.tl-item:last-child .tl-axis::before{display:none}
.tl-dot{
  position:absolute;left:20px;top:22px;width:16px;height:16px;border-radius:50%;
  background:var(--brand-c);border:3px solid #fff;box-shadow:0 0 0 2px rgba(15,181,160,.25);
}

/* ---------- FAQ ---------- */
.faq-layout{display:grid;grid-template-columns:.85fr 1.15fr;gap:48px;align-items:start}
.faq-side h2{font-size:clamp(24px,3vw,32px);margin-bottom:14px}
.faq-side p{color:var(--text-2);font-size:16px;margin-bottom:20px}
.faq-acc .accordion-item{
  border:1px solid var(--line);border-radius:var(--r-md) !important;overflow:hidden;
  background:#fff;margin-bottom:12px;box-shadow:var(--sh-1);transition:var(--ease);
}
.faq-acc .accordion-item:hover{box-shadow:var(--sh-2)}
.faq-acc .accordion-button{
  background:#fff;color:var(--text);font-size:17px;font-weight:600;padding:20px 22px;
  box-shadow:none !important;border:none;gap:14px;
}
.faq-acc .accordion-button:not(.collapsed){color:var(--brand-d);background:#fff}
.faq-acc .accordion-button::after{display:none}
.faq-acc .accordion-button:focus{box-shadow:0 0 0 3px rgba(15,181,160,.2) !important}
.faq-icon{position:relative;width:20px;height:20px;flex:0 0 20px;margin-left:auto}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;background:var(--brand-d);border-radius:2px;transition:var(--ease);
}
.faq-icon::before{left:0;right:0;top:9px;height:2px}
.faq-icon::after{top:0;bottom:0;left:9px;width:2px}
.faq-acc .accordion-button:not(.collapsed) .faq-icon::after{opacity:0;transform:scaleY(.2)}
.faq-acc .accordion-body{color:var(--text-2);font-size:15.5px;padding:0 22px 22px 22px;line-height:1.85}
.faq-acc .accordion-item:has(.accordion-button:not(.collapsed)){border-left:4px solid var(--brand-c)}

/* ---------- CTA ---------- */
.cta-band{
  background:var(--brand);border-radius:28px;padding:48px 48px;color:#fff;
  display:grid;grid-template-columns:1.15fr .85fr;gap:40px;align-items:center;
  box-shadow:0 24px 60px rgba(15,181,160,.28);
}
.cta-band h2{color:#fff;font-size:clamp(24px,3vw,32px);margin-bottom:12px}
.cta-band p{color:rgba(255,255,255,.92);font-size:16px;margin-bottom:10px}
.cta-band .tip{font-size:13px;color:rgba(255,255,255,.82)}
.cta-form{background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.3);border-radius:20px;padding:22px}
.cta-form label{font-size:14px;color:rgba(255,255,255,.9);display:block;margin-bottom:6px}
.cta-form .form-control{
  height:48px;border-radius:999px;border:1px solid transparent;background:#fff;color:var(--text);
  font-size:15px;padding:0 18px;box-shadow:none;
}
.cta-form .form-control:focus{border-color:#fff;box-shadow:0 0 0 3px rgba(255,255,255,.35)}
.cta-form .form-control::placeholder{color:#9BB0AB}
.cta-form .btn-submit{
  width:100%;height:48px;border-radius:999px;border:none;background:#0B211E;color:#fff;
  font-size:16px;font-weight:600;margin-top:14px;transition:var(--ease);
}
.cta-form .btn-submit:hover{transform:translateY(-2px);background:#123029;box-shadow:0 12px 26px rgba(11,33,30,.3)}
.form-note{font-size:13px;color:rgba(255,255,255,.86);margin-top:12px}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--dark);color:rgba(255,255,255,.72);padding:72px 0 0;margin-top:96px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px;padding-bottom:48px}
.footer-brand .brand-main{color:#fff}
.footer-brand .brand-sub{color:rgba(255,255,255,.55)}
.footer-brand p{font-size:14.5px;line-height:1.85;margin-top:18px;color:rgba(255,255,255,.66);max-width:340px}
.footer-col h4{color:#fff;font-size:15px;margin-bottom:16px;font-weight:600}
.footer-col a{display:block;color:rgba(255,255,255,.7);font-size:14.5px;margin-bottom:10px;transition:var(--ease)}
.footer-col a:hover{color:var(--brand-l);transform:translateX(2px)}
.footer-info{font-size:14.5px;line-height:2;color:rgba(255,255,255,.66)}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);padding:22px 0;display:flex;
  justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13.5px;color:rgba(255,255,255,.55);
}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .nav-links{gap:20px}
  .zz-row{gap:36px;margin-bottom:56px}
}
@media (max-width:991px){
  .nav-links{display:none}
  .nav-actions{display:none}
  .nav-toggle{display:flex}
  .section{padding:72px 0}
  .section-sm{padding:56px 0}
  .cat-hero-card{grid-template-columns:1fr;padding:32px 28px;gap:26px}
  .cat-hero-stats{flex-direction:row;flex-wrap:wrap}
  .badge-stat{flex:1 1 46%}
  .badge-stat .lab{margin-left:0}
  .zz-row{grid-template-columns:1fr;gap:24px;margin-bottom:48px}
  .zz-row.reverse .zz-media{order:0}
  .faq-layout{grid-template-columns:1fr;gap:28px}
  .cta-band{grid-template-columns:1fr;padding:36px 28px;gap:26px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .site-footer{margin-top:72px}
}
@media (max-width:767px){
  body{font-size:16px}
  .container{padding:0 18px}
  .cd-tag{font-size:12.5px}
  .cd-block{min-width:46px;padding:2px 6px}
  .cd-num{font-size:18px}
  .cd-unit{display:none}
  .section{padding:56px 0}
  .cat-hero{padding:24px 0 0}
  .cat-hero-card{padding:26px 20px;border-radius:20px}
  .hero-btns .btn-main,.hero-btns .btn-outline{width:100%;justify-content:center}
  .badge-stat{flex:1 1 100%}
  .tl-item{grid-template-columns:1fr 36px}
  .tl-axis::before{left:17px}
  .tl-dot{left:10px}
  .cta-band{padding:26px 20px;border-radius:20px}
  .footer-grid{grid-template-columns:1fr;gap:32px}
  .footer-bottom{flex-direction:column;gap:8px}
}
@media (max-width:519px){
  .cd-inner{gap:10px}
  .cd-link{padding:5px 10px;font-size:12.5px}
  .brand-main{font-size:14.5px}
  .brand-mark{width:34px;height:34px;font-size:15px}
}

/* roulang page: category2 */
:root{
  --brand-1:#0FB5A0;
  --brand-2:#087A6E;
  --brand-3:#7FE3D4;
  --accent:#FF8A4C;
  --accent-2:#FFD9C2;
  --bg:#F6F9F8;
  --surface:#FFFFFF;
  --surface-2:#F1F5F4;
  --line:#E3EBE9;
  --text:#16302B;
  --muted:#5A736D;
  --dark:#0B211E;
  --grad:linear-gradient(135deg,#0FB5A0 0%,#3ED6BE 45%,#FF9A5A 100%);
  --r-sm:10px;
  --r-md:16px;
  --r-lg:24px;
  --r-xl:32px;
  --sh-1:0 2px 6px rgba(11,33,30,.05);
  --sh-2:0 12px 30px rgba(11,33,30,.08);
  --sh-3:0 24px 60px rgba(11,33,30,.12);
  --ease:.28s cubic-bezier(.2,.7,.3,1);
  --bs-primary:#0FB5A0;
  --bs-primary-rgb:15,181,160;
  --bs-body-color:#16302B;
  --bs-body-bg:#F6F9F8;
  --bs-border-color:#E3EBE9;
  --bs-border-radius:16px;
  --bs-link-color:#087A6E;
  --bs-link-hover-color:#0FB5A0;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:17px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:var(--brand-2);text-decoration:none;transition:color var(--ease),transform var(--ease)}
a:hover{color:var(--brand-1)}
button{font-family:inherit}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:-.01em;color:var(--text)}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{
  outline:none;
  box-shadow:0 0 0 3px rgba(15,181,160,.3);
  border-radius:6px;
}
.container{max-width:1240px;padding-left:20px;padding-right:20px;margin:0 auto}
.mono{font-family:"Barlow","DIN Alternate",ui-monospace,SFMono-Regular,Menlo,monospace;font-weight:700}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:1030;
  background:rgba(246,249,248,.9);
  backdrop-filter:blur(8px);
  -webkit-backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);
}
.nav-inner{
  height:72px;
  display:flex;
  align-items:center;
  gap:28px;
}
.brand{display:flex;align-items:center;gap:12px;flex-shrink:0;color:var(--text)}
.brand:hover{color:var(--text)}
.brand-mark{
  width:42px;height:42px;border-radius:14px;
  background:var(--grad);
  color:#fff;font-size:19px;
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 8px 18px rgba(15,181,160,.28);
}
.brand-text{display:flex;flex-direction:column;line-height:1.25}
.brand-main{font-size:17px;font-weight:700;letter-spacing:-.01em}
.brand-sub{font-size:12px;color:var(--muted);letter-spacing:.04em}
.nav-links{display:flex;align-items:center;gap:26px;margin-left:auto}
.nav-link{
  position:relative;
  font-size:15px;
  color:var(--text);
  padding:6px 2px;
  display:inline-flex;
  align-items:center;
  gap:6px;
}
.nav-link::after{
  content:"";
  position:absolute;left:0;right:0;bottom:0;
  height:2px;border-radius:2px;
  background:var(--grad);
  transform:scaleX(0);
  transform-origin:left;
  transition:transform var(--ease);
}
.nav-link:hover::after,.nav-link.active::after{transform:scaleX(1)}
.nav-link.active{color:var(--brand-2);font-weight:600}
.nav-dot{
  width:7px;height:7px;border-radius:50%;
  background:var(--accent);
  box-shadow:0 0 0 4px rgba(255,138,76,.16);
}
.nav-actions{display:flex;align-items:center;gap:12px;flex-shrink:0}
.btn-brand-pill{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:999px;border:0;
  background:var(--grad);color:#fff;font-size:15px;font-weight:600;
  box-shadow:0 8px 20px rgba(15,181,160,.26);
  transition:transform var(--ease),box-shadow var(--ease),filter var(--ease),color var(--ease);
}
.btn-brand-pill:hover{color:#fff;transform:translateY(-2px);filter:brightness(1.04);box-shadow:0 14px 28px rgba(15,181,160,.34)}
.btn-brand-pill:active{transform:translateY(1px)}
.btn-ghost-pill{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 20px;border-radius:999px;
  background:#fff;border:1px solid var(--line);color:var(--brand-2);
  font-size:15px;font-weight:600;
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease),color var(--ease);
}
.btn-ghost-pill:hover{color:var(--brand-1);border-color:var(--brand-3);transform:translateY(-2px);box-shadow:var(--sh-2)}
.btn-ghost-pill:active{transform:translateY(1px)}
.nav-toggle{
  display:none;
  margin-left:auto;
  width:44px;height:44px;border-radius:14px;
  border:1px solid var(--line);background:#fff;color:var(--text);
  font-size:18px;cursor:pointer;
  position:relative;z-index:1060;
  transition:border-color var(--ease),color var(--ease);
}
.nav-toggle:hover{border-color:var(--brand-3);color:var(--brand-2)}
.nav-backdrop{display:none;position:fixed;inset:0;background:rgba(11,33,30,.42);z-index:1035}
.nav-mobile-actions{display:none}

/* ---------- 通用区块 ---------- */
.section{padding:96px 0}
.section-sm{padding:72px 0}
.sec-head{
  display:flex;align-items:flex-end;justify-content:space-between;
  gap:24px;margin-bottom:40px;flex-wrap:wrap;
}
.sec-tag{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;color:var(--brand-2);
  background:rgba(15,181,160,.1);
  border-radius:999px;padding:6px 14px;margin-bottom:14px;
}
.sec-head h2{font-size:clamp(24px,3vw,34px);line-height:1.3;margin-bottom:10px}
.sec-sub{font-size:15px;color:var(--muted);max-width:640px}
.link-arrow{
  display:inline-flex;align-items:center;gap:8px;
  color:var(--brand-2);font-size:15px;font-weight:600;white-space:nowrap;
}
.link-arrow i{transition:transform var(--ease)}
.link-arrow:hover i{transform:translateX(3px)}

/* ---------- 分类 Hero ---------- */
.cat-hero{
  position:relative;
  overflow:hidden;
  margin-top:28px;
  border-radius:var(--r-lg);
  border:1px solid var(--line);
  background:var(--surface);
  box-shadow:var(--sh-1);
  padding:44px 44px;
}
.cat-hero::before{
  content:"";
  position:absolute;inset:0;
  background:url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
  opacity:.14;
}
.cat-hero::after{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(95deg,rgba(246,249,248,.97) 0%,rgba(246,249,248,.86) 55%,rgba(246,249,248,.55) 100%);
}
.cat-hero-inner{
  position:relative;z-index:1;
  display:grid;grid-template-columns:1fr auto;
  gap:36px;align-items:center;
}
.hero-kicker{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;color:var(--brand-2);font-weight:600;
  background:#fff;border:1px solid var(--line);
  border-radius:999px;padding:6px 14px;margin-bottom:16px;
}
.cat-hero h1{
  font-size:clamp(28px,4.4vw,44px);
  line-height:1.2;letter-spacing:-.01em;margin-bottom:14px;
}
.cat-hero .hero-desc{font-size:17px;color:var(--muted);max-width:560px}
.hero-badges{display:flex;flex-direction:column;gap:12px;min-width:210px}
.stat-badge{
  display:flex;align-items:baseline;gap:10px;
  background:#fff;border:1px solid var(--line);border-radius:14px;
  padding:12px 16px;box-shadow:var(--sh-1);
  transition:transform var(--ease),box-shadow var(--ease);
}
.stat-badge:hover{transform:scale(1.02);box-shadow:var(--sh-2)}
.stat-badge .v{
  font-size:24px;line-height:1;
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.stat-badge .u{font-size:12px;color:var(--muted)}

/* ---------- 编号大卡 ---------- */
.num-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.num-card{
  position:relative;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:34px 30px 30px;
  box-shadow:var(--sh-1);
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
  overflow:hidden;
}
.num-card:hover{transform:translateY(-4px);box-shadow:var(--sh-3);border-color:#D3E7E3}
.num-card .num{
  font-family:"Barlow","DIN Alternate",ui-monospace,monospace;
  font-size:40px;font-weight:700;line-height:1;
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;
  display:block;margin-bottom:16px;
}
.num-card h3{font-size:20px;margin-bottom:12px}
.num-card p{font-size:15px;color:var(--muted);margin-bottom:18px}
.num-list{display:flex;flex-direction:column;gap:10px}
.num-list li{
  position:relative;padding-left:20px;
  font-size:14.5px;color:var(--text);line-height:1.7;
}
.num-list li::before{
  content:"";position:absolute;left:0;top:10px;
  width:7px;height:7px;border-radius:2px;background:var(--brand-3);
}
.num-card .corner{
  position:absolute;right:-30px;top:-30px;
  width:110px;height:110px;border-radius:50%;
  background:radial-gradient(circle at 30% 30%,rgba(15,181,160,.16),rgba(255,138,76,.06));
}

/* ---------- 对比表 ---------- */
.cmp-wrap{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  box-shadow:var(--sh-1);
  overflow:hidden;
}
.cmp-scroll{overflow-x:auto}
.cmp-table{width:100%;border-collapse:separate;border-spacing:0;margin:0;min-width:760px}
.cmp-table thead th{
  background:#EAF7F5;
  color:#0B5F55;
  font-size:15px;font-weight:700;
  padding:16px 22px;border:0;white-space:nowrap;text-align:left;
}
.cmp-table tbody td{
  padding:16px 22px;
  border-top:1px solid var(--line);
  font-size:15px;color:var(--text);vertical-align:top;
}
.cmp-table tbody tr{transition:background var(--ease)}
.cmp-table tbody tr:hover{background:rgba(15,181,160,.04)}
.cmp-table td:first-child{font-weight:600;color:var(--brand-2)}
.cmp-table .tag-soft{
  display:inline-block;font-size:13px;
  background:var(--surface-2);color:var(--muted);
  border-radius:999px;padding:3px 12px;
}
.cmp-note{margin-top:16px;font-size:13.5px;color:var(--muted)}

/* ---------- 步骤条 ---------- */
.steps-wrap{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  box-shadow:var(--sh-1);
  padding:44px 32px 38px;
}
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:0}
.step{position:relative;padding:0 16px;text-align:center}
.step:not(:first-child)::before{
  content:"";position:absolute;left:-50%;top:27px;width:100%;height:2px;
  background:#DCE6E4;
}
.step-num{
  position:relative;z-index:1;
  width:56px;height:56px;margin:0 auto 16px;
  border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  background:#fff;border:2px solid var(--brand-3);
  color:var(--brand-2);font-size:20px;
  font-family:"Barlow","DIN Alternate",ui-monospace,monospace;font-weight:700;
  transition:transform var(--ease),box-shadow var(--ease);
}
.step:hover .step-num{transform:translateY(-3px);box-shadow:0 10px 24px rgba(15,181,160,.22)}
.step h3{font-size:17px;margin-bottom:8px}
.step p{font-size:14px;color:var(--muted);line-height:1.7}

/* ---------- 数据横带 ---------- */
.band{
  background:#EAF7F5;
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
  padding:56px 0;
}
.band-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.band-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  padding:22px 20px;text-align:center;
  transition:transform var(--ease),box-shadow var(--ease);
}
.band-item:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.band-item .v{
  font-size:28px;line-height:1.1;
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;
  font-family:"Barlow","DIN Alternate",ui-monospace,monospace;font-weight:700;
}
.band-item .l{display:block;font-size:13.5px;color:var(--muted);margin-top:8px}

/* ---------- 图位区 ---------- */
.figure-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.figure-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  overflow:hidden;
  box-shadow:var(--sh-2);
  transition:transform var(--ease),box-shadow var(--ease);
}
.figure-card:hover{transform:translateY(-4px);box-shadow:var(--sh-3)}
.figure-card img{width:100%;aspect-ratio:16/10;object-fit:cover}
.figure-body{padding:22px 24px 24px}
.figure-body h3{font-size:18px;margin-bottom:8px}
.figure-body p{font-size:14.5px;color:var(--muted)}

/* ---------- 问答双列 ---------- */
.qa-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.qa-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-left:4px solid var(--brand-1);
  border-radius:var(--r-md);
  padding:22px 24px;
  box-shadow:var(--sh-1);
  transition:transform var(--ease),box-shadow var(--ease);
}
.qa-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2)}
.qa-card h3{font-size:17px;margin-bottom:10px;display:flex;gap:10px;align-items:flex-start}
.qa-card h3 i{color:var(--brand-1);font-size:15px;margin-top:5px}
.qa-card p{font-size:14.5px;color:var(--muted)}

/* ---------- CTA ---------- */
.cta-card{
  position:relative;
  overflow:hidden;
  border-radius:28px;
  background:var(--grad);
  color:#fff;
  padding:48px 44px;
  box-shadow:0 24px 60px rgba(15,181,160,.28);
}
.cta-card::after{
  content:"";
  position:absolute;right:-80px;bottom:-120px;
  width:320px;height:320px;border-radius:50%;
  background:rgba(255,255,255,.14);
}
.cta-inner{
  position:relative;z-index:1;
  display:grid;grid-template-columns:1.1fr .9fr;
  gap:40px;align-items:center;
}
.cta-card h2{color:#fff;font-size:clamp(24px,3vw,32px);margin-bottom:12px}
.cta-card p{color:rgba(255,255,255,.92);font-size:15px}
.cta-hint{margin-top:14px;font-size:13px;color:rgba(255,255,255,.82)}
.cta-form{display:flex;gap:12px}
.cta-form .form-control{
  height:52px;border-radius:999px;border:0;
  padding:0 22px;font-size:15px;color:var(--text);
  background:#fff;box-shadow:none;
}
.cta-form .form-control::placeholder{color:#8FA7A1}
.cta-form .form-control:focus{border:0;box-shadow:0 0 0 3px rgba(255,255,255,.55)}
.cta-form .btn-submit{
  height:52px;padding:0 28px;border-radius:999px;border:0;
  background:var(--dark);color:#fff;font-size:15px;font-weight:600;white-space:nowrap;
  transition:transform var(--ease),box-shadow var(--ease),filter var(--ease);
}
.cta-form .btn-submit:hover{transform:translateY(-2px);filter:brightness(1.12);box-shadow:0 12px 26px rgba(11,33,30,.28)}
.cta-form .btn-submit:active{transform:translateY(1px)}
.form-msg{font-size:13px;margin-top:12px;color:rgba(255,255,255,.9);min-height:18px}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--dark);color:#C6D8D4;padding:72px 0 0;margin-top:0}
.footer-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;
  gap:40px;padding-bottom:48px;
}
.site-footer .brand-mark{box-shadow:none}
.site-footer .brand-main{color:#fff}
.site-footer .brand-sub{color:#7FA49C}
.footer-brand p{margin-top:18px;font-size:14.5px;line-height:1.8;color:#9DBAB3;max-width:340px}
.footer-col h4{font-size:15px;color:#fff;margin-bottom:18px;font-weight:600}
.footer-col a{
  display:block;font-size:14.5px;color:#A9C4BE;
  padding:6px 0;transition:color var(--ease),transform var(--ease);
}
.footer-col a:hover{color:var(--brand-3);transform:translateX(2px)}
.footer-info{font-size:14.5px;color:#9DBAB3;line-height:2}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);
  padding:22px 0 26px;
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13.5px;color:#87A39D;
}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  .cat-hero{padding:38px 34px}
  .hero-badges{min-width:190px}
}
@media (max-width:991.98px){
  .nav-toggle{display:flex;align-items:center;justify-content:center}
  .nav-links{
    position:fixed;top:0;right:0;
    height:100vh;width:302px;max-width:88vw;
    background:#fff;
    flex-direction:column;align-items:stretch;
    gap:4px;
    padding:88px 24px 32px;
    margin-left:0;
    transform:translateX(106%);
    transition:transform .3s cubic-bezier(.2,.7,.3,1);
    box-shadow:-24px 0 60px rgba(11,33,30,.18);
    border-radius:24px 0 0 24px;
    z-index:1040;
  }
  body.nav-open .nav-links{transform:none}
  body.nav-open .nav-backdrop{display:block}
  .nav-link{font-size:16px;padding:12px 4px;border-bottom:1px solid var(--line)}
  .nav-link::after{display:none}
  .nav-actions{display:none}
  .nav-mobile-actions{
    display:flex;flex-direction:column;gap:12px;margin-top:auto;padding-top:20px;
  }
  .nav-mobile-actions .btn-brand-pill,
  .nav-mobile-actions .btn-ghost-pill{width:100%}
  .section{padding:72px 0}
  .section-sm{padding:56px 0}
  .cat-hero-inner{grid-template-columns:1fr;gap:26px}
  .hero-badges{flex-direction:row;flex-wrap:wrap;min-width:0}
  .hero-badges .stat-badge{flex:1 1 150px}
  .num-grid{grid-template-columns:1fr}
  .band-grid{grid-template-columns:repeat(2,1fr)}
  .figure-grid{grid-template-columns:1fr}
  .qa-grid{grid-template-columns:1fr}
  .cta-inner{grid-template-columns:1fr;gap:28px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:767.98px){
  body{font-size:16px}
  .section{padding:56px 0}
  .section-sm{padding:48px 0}
  .cat-hero{padding:28px 22px;border-radius:20px}
  .cat-hero h1{font-size:clamp(26px,7.2vw,32px)}
  .hero-badges .stat-badge{flex:1 1 100%}
  .num-card{padding:26px 22px}
  .steps{grid-template-columns:1fr;gap:26px}
  .step{padding:0;text-align:left;display:flex;gap:16px;align-items:flex-start}
  .step:not(:first-child)::before{
    left:27px;top:-26px;width:2px;height:26px;
  }
  .step-num{margin:0;flex:0 0 56px}
  .step .step-body{padding-top:6px}
  .band-grid{grid-template-columns:1fr}
  .cta-card{padding:30px 22px;border-radius:22px}
  .cta-form{flex-direction:column}
  .cta-form .btn-submit{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:32px}
  .footer-bottom{flex-direction:column;gap:8px}
}
@media (max-width:519.98px){
  .sec-head{margin-bottom:28px}
  .brand-main{font-size:15.5px}
  .brand-sub{font-size:11px}
}