/* roulang page: index */
:root{
  --brand:#2E857C;
  --brand-dark:#26706A;
  --brand-deep:#103A38;
  --amber:#DE8A3C;
  --bg:#F7F5F0;
  --card:#FFFFFF;
  --soft:#EEF3F1;
  --text:#17201F;
  --muted:#5E6B68;
  --line:#E4E0D8;
  --r-card:14px;
  --r-btn:10px;
  --r-lg:16px;
  --sh-hover:0 12px 28px rgba(16,58,56,.10);
  --sh-soft:0 6px 18px rgba(16,58,56,.06);
  --sp:8px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;padding:0;
  font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16.5px;line-height:1.85;color:var(--text);background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none;transition:color .18s ease,background-color .18s ease,transform .18s ease,border-color .18s ease}
a:hover{color:var(--brand)}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
button,input,textarea,select{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px}
.num{font-variant-numeric:tabular-nums}

.container{width:100%;max-width:1200px;margin:0 auto;padding-left:24px;padding-right:24px}
.sec{padding:96px 0}
.sec-tight{padding:72px 0}
.sec-head{max-width:760px;margin-bottom:40px}
.sec-head h2{font-size:clamp(24px,3vw,34px);line-height:1.35;font-weight:600;letter-spacing:.2px}
.sec-head p{margin-top:14px;color:var(--muted);font-size:16px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12px;letter-spacing:.14em;color:var(--brand);text-transform:uppercase;font-weight:600;margin-bottom:14px}
.eyebrow::before{content:"";width:20px;height:2px;background:var(--amber);display:inline-block;border-radius:2px}
.sec-head .more{margin-top:18px;display:inline-flex;gap:8px;align-items:center;color:var(--brand);font-weight:600;font-size:15px}

/* 顶部信息条 */
.topbar{background:var(--brand-deep);color:rgba(255,255,255,.86);font-size:12.5px;line-height:1.6;min-height:38px;display:flex;align-items:center}
.topbar .container{display:flex;align-items:center;justify-content:space-between;gap:16px}
.topbar-left{display:flex;align-items:center;gap:10px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.topbar-left .dot{width:6px;height:6px;border-radius:50%;background:var(--amber);flex:none;box-shadow:0 0 0 3px rgba(222,138,60,.22)}
.topbar-right{flex:none;color:#fff;font-weight:600}
.topbar-right a{color:#F3C48C}
.topbar-right a:hover{color:#fff}

/* 主导航 */
.site-header{position:sticky;top:0;z-index:1040;background:rgba(247,245,240,.94);backdrop-filter:blur(10px);border-bottom:1px solid var(--line);transition:box-shadow .2s ease}
.site-header.scrolled{box-shadow:0 6px 20px rgba(16,58,56,.08)}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:68px}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:18px;letter-spacing:.2px;color:var(--brand-deep)}
.brand:hover{color:var(--brand-deep)}
.brand-mark{width:34px;height:34px;border-radius:10px;background:linear-gradient(140deg,var(--brand) 0%,#3FA095 100%);display:grid;place-items:center;flex:none}
.brand-mark svg{width:20px;height:20px}
.brand-text small{display:block;font-size:11px;font-weight:500;color:var(--muted);letter-spacing:.08em;line-height:1.2}
.nav-desktop ul{display:flex;align-items:center;gap:6px}
.nav-desktop a{position:relative;display:inline-block;padding:10px 14px;font-size:15px;font-weight:500;color:#26302E;border-radius:999px}
.nav-desktop a::after{content:"";position:absolute;left:14px;right:14px;bottom:4px;height:2px;border-radius:2px;background:var(--brand);transform:scaleX(0);transform-origin:left;transition:transform .2s ease}
.nav-desktop a:hover::after,.nav-desktop a.active::after{transform:scaleX(1)}
.nav-desktop a.active{color:var(--brand);font-weight:600}
.header-cta{display:flex;align-items:center;gap:12px}
.nav-toggle{display:none;border:1px solid var(--line);background:#fff;border-radius:var(--r-btn);padding:8px 14px;font-size:14px;font-weight:600;color:var(--brand-deep)}
.mobile-nav{border-top:1px solid var(--line);background:#fff}
.mobile-nav ul{padding:8px 0}
.mobile-nav a{display:block;line-height:48px;padding:0 24px;font-size:15.5px;border-bottom:1px solid #F1EEE7}
.mobile-nav a.active{color:var(--brand);font-weight:600}
.mobile-nav .m-cta{padding:16px 24px 22px}
.mobile-nav .m-cta .btn{width:100%;justify-content:center}

/* 按钮 */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:var(--r-btn);padding:12px 22px;font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;transition:transform .18s ease,background-color .18s ease,box-shadow .18s ease,color .18s ease,border-color .18s ease}
.btn-brand{background:var(--brand);color:#fff;box-shadow:var(--sh-soft)}
.btn-brand:hover{background:var(--brand-dark);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-hover)}
.btn-ghost{background:transparent;border-color:var(--brand);color:var(--brand)}
.btn-ghost:hover{background:rgba(46,133,124,.09);color:var(--brand-dark);transform:translateY(-1px)}
.btn-light{background:#fff;color:var(--brand-deep)}
.btn-light:hover{background:#F0EFEA;color:var(--brand-deep);transform:translateY(-1px)}
.btn-sm{padding:9px 16px;font-size:14px}

/* Hero */
.hero{position:relative;min-height:min(84vh,760px);display:flex;align-items:center;background-image:url('/assets/images/backpic/back-1.webp');background-size:cover;background-position:center;overflow:hidden}
.hero::before{content:"";position:absolute;inset:0;background:linear-gradient(100deg,rgba(10,38,36,.90) 0%,rgba(12,42,40,.78) 46%,rgba(16,58,56,.52) 100%)}
.hero-inner{position:relative;z-index:2;display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);gap:56px;align-items:end;padding:96px 0;width:100%}
.hero-copy{max-width:640px;color:#fff}
.hero-badge{display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:999px;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.24);font-size:12.5px;color:#F0EDE6;letter-spacing:.04em}
.hero-badge .dot{width:6px;height:6px;border-radius:50%;background:var(--amber)}
.hero h1{margin-top:20px;font-size:clamp(30px,4.4vw,48px);line-height:1.22;font-weight:700;letter-spacing:.2px}
.hero h1 em{font-style:normal;color:#F3C48C}
.hero-sub{margin-top:18px;font-size:19px;line-height:1.7;color:rgba(255,255,255,.88);max-width:560px}
.hero-actions{margin-top:32px;display:flex;flex-wrap:wrap;gap:14px}
.hero-chips{margin-top:34px;display:flex;flex-wrap:wrap;gap:10px 22px}
.hero-chips span{display:inline-flex;align-items:center;gap:8px;font-size:14px;color:rgba(255,255,255,.82)}
.hero-chips i{width:16px;height:16px;border-radius:50%;background:rgba(222,138,60,.9);display:grid;place-items:center;font-size:10px;color:#fff;font-style:normal}
.hero-side{padding:24px;border-radius:var(--r-lg);background:rgba(255,255,255,.10);border:1px solid rgba(255,255,255,.20);color:#fff;backdrop-filter:blur(4px)}
.hero-side h3{font-size:16px;font-weight:600;letter-spacing:.04em}
.hero-side ul{margin-top:16px;display:grid;gap:12px}
.hero-side li{display:flex;gap:12px;align-items:flex-start;font-size:14.5px;color:rgba(255,255,255,.88);line-height:1.7}
.hero-side li b{flex:none;width:26px;height:26px;border-radius:8px;background:rgba(222,138,60,.92);color:#fff;display:grid;place-items:center;font-size:12.5px;font-weight:700}
.hero-side .side-foot{margin-top:20px;padding-top:16px;border-top:1px solid rgba(255,255,255,.18);font-size:13px;color:rgba(255,255,255,.72)}

/* 锚点子导航 */
.anchor-nav{position:sticky;top:68px;z-index:1020;background:#fff;border-bottom:1px solid var(--line)}
.anchor-nav .container{display:flex;align-items:center;gap:8px;overflow-x:auto;scrollbar-width:none}
.anchor-nav .container::-webkit-scrollbar{display:none}
.anchor-nav a{flex:none;padding:16px 14px 14px;font-size:14.5px;font-weight:500;color:var(--muted);border-bottom:2px solid transparent;white-space:nowrap}
.anchor-nav a:hover{color:var(--brand)}
.anchor-nav a.active{color:var(--brand);font-weight:600;border-bottom-color:var(--brand)}

/* 实时状态条 */
.live-strip{background:var(--soft);border-bottom:1px solid var(--line)}
.live-strip .container{display:flex;align-items:center;gap:18px;padding-top:14px;padding-bottom:14px;flex-wrap:wrap}
.live-tag{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--brand-deep)}
.live-tag .pulse{width:8px;height:8px;border-radius:50%;background:var(--amber);position:relative}
.live-tag .pulse::after{content:"";position:absolute;inset:-4px;border-radius:50%;border:1px solid rgba(222,138,60,.6);animation:pulse 1.8s ease-out infinite}
@keyframes pulse{0%{transform:scale(.6);opacity:1}100%{transform:scale(1.4);opacity:0}}
.live-list{display:flex;gap:26px;flex-wrap:wrap;font-size:13.5px;color:var(--muted)}
.live-list b{color:var(--brand-deep);font-weight:700}

/* 卖点：编号 + 图文交错 */
.feature-row{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:56px;align-items:center;padding:36px 0}
.feature-row + .feature-row{border-top:1px solid var(--line)}
.feature-row.flip .feature-text{order:2}
.feature-index{display:inline-flex;align-items:center;justify-content:center;min-width:46px;height:34px;padding:0 12px;border-radius:8px;background:var(--amber);color:#fff;font-weight:700;font-size:14px;letter-spacing:.06em}
.feature-text h3{margin-top:18px;font-size:21px;font-weight:600;line-height:1.5}
.feature-text p{margin-top:12px;color:var(--muted);font-size:16px}
.feature-text .f-link{margin-top:20px;display:inline-flex;align-items:center;gap:8px;color:var(--brand);font-weight:600;font-size:15px;border-bottom:1px solid rgba(46,133,124,.35);padding-bottom:2px}
.feature-text .f-link:hover{gap:12px;border-bottom-color:var(--brand)}
.feature-media{position:relative;border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--line);background:var(--soft)}
.feature-media img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .35s ease}
.feature-media:hover img{transform:scale(1.03)}
.feature-media .cap{position:absolute;left:14px;bottom:14px;background:rgba(16,58,56,.86);color:#fff;font-size:12.5px;padding:6px 12px;border-radius:999px}

/* 步骤 */
.steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:0;margin-top:20px}
.step{position:relative;padding:0 24px}
.step:first-child{padding-left:0}
.step:last-child{padding-right:0}
.step::before{content:"";position:absolute;left:0;right:0;top:19px;height:1px;background:var(--line)}
.step:first-child::before{left:20px}
.step:last-child::before{right:calc(100% - 20px);left:20px}
.step-dot{position:relative;z-index:2;width:38px;height:38px;border-radius:50%;background:#fff;border:1px solid var(--brand);color:var(--brand);display:grid;place-items:center;font-weight:700;font-size:14px}
.step.done .step-dot{background:var(--brand);color:#fff;border-color:var(--brand)}
.step h4{margin-top:20px;font-size:17px;font-weight:600}
.step p{margin-top:8px;font-size:14.5px;color:var(--muted)}

/* 证据区 */
.proof{background:var(--brand-deep);color:#fff}
.stats{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:32px;padding-bottom:8px}
.stat-num{font-size:clamp(32px,4vw,42px);font-weight:700;line-height:1.1;letter-spacing:.5px}
.stat-num span{font-size:18px;font-weight:600;margin-left:2px}
.stat-label{margin-top:10px;font-size:13px;color:rgba(255,255,255,.72)}
.proof-cards{margin-top:56px;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}
.quote-card{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);border-left:3px solid var(--amber);border-radius:var(--r-card);padding:24px}
.quote-card p{font-size:15.5px;line-height:1.85;color:rgba(255,255,255,.9)}
.quote-card .who{margin-top:16px;font-size:13px;color:rgba(255,255,255,.68)}
.partners{margin-top:52px;padding-top:28px;border-top:1px solid rgba(255,255,255,.14)}
.partners-title{font-size:12.5px;letter-spacing:.14em;color:rgba(255,255,255,.55)}
.partners-row{margin-top:18px;display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:16px}
.partners-row span{display:grid;place-items:center;height:52px;border-radius:10px;background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.10);font-size:14px;color:rgba(255,255,255,.55);filter:grayscale(1);transition:all .22s ease}
.partners-row span:hover{filter:grayscale(0);color:#fff;background:rgba(46,133,124,.32);border-color:rgba(46,133,124,.6);transform:translateY(-2px)}

/* 资讯卡片 */
.news-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:26px}
.news-card{display:flex;flex-direction:column;background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease}
.news-card:hover{transform:translateY(-2px);box-shadow:var(--sh-hover);border-color:#D8D2C6}
.news-cover{position:relative;background:var(--soft)}
.news-cover img{width:100%;aspect-ratio:16/10;object-fit:cover}
.badge-cat{position:absolute;left:12px;top:12px;background:rgba(255,255,255,.94);color:var(--brand);font-size:12px;padding:4px 10px;border-radius:999px;font-weight:600}
.news-body{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1}
.news-body h3{font-size:17.5px;font-weight:600;line-height:1.55;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-body p{margin-top:10px;font-size:14.5px;color:var(--muted);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-meta{margin-top:auto;padding-top:18px;display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--muted);border-top:1px solid #F1EEE7;margin-top:18px}
.news-meta .go{color:var(--brand);font-weight:600}
.empty-box{grid-column:1/-1;text-align:center;padding:56px 24px;background:#fff;border:1px dashed var(--line);border-radius:var(--r-card)}
.empty-box .ico{width:52px;height:52px;margin:0 auto 16px;border-radius:50%;background:var(--soft);color:var(--brand);display:grid;place-items:center;font-size:22px;font-weight:700}
.empty-box p{color:var(--muted);margin-bottom:18px}

/* 价格 */
.price-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:26px;align-items:stretch}
.price-card{position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:28px 26px;display:flex;flex-direction:column;transition:transform .2s ease,box-shadow .2s ease}
.price-card:hover{transform:translateY(-2px);box-shadow:var(--sh-hover)}
.price-card.featured{border:2px solid var(--brand);transform:scale(1.02);box-shadow:0 16px 32px rgba(16,58,56,.10);z-index:2;background:#fff}
.price-card.featured:hover{transform:scale(1.02) translateY(-2px)}
.price-flag{position:absolute;top:-13px;left:26px;background:var(--amber);color:#fff;font-size:12px;font-weight:600;padding:4px 12px;border-radius:999px}
.price-card h3{font-size:18px;font-weight:600}
.price-card .desc{margin-top:8px;font-size:14px;color:var(--muted)}
.price-value{margin-top:22px;display:flex;align-items:baseline;gap:6px}
.price-value b{font-size:40px;line-height:1;font-weight:700;color:var(--brand-deep)}
.price-value small{font-size:14px;color:var(--muted)}
.price-card ul{margin-top:22px;display:grid;gap:12px;flex:1}
.price-card ul li{position:relative;padding-left:24px;font-size:15px;color:#2A3432}
.price-card ul li::before{content:"";position:absolute;left:0;top:9px;width:14px;height:8px;border-left:2px solid var(--brand);border-bottom:2px solid var(--brand);transform:rotate(-45deg);border-radius:1px}
.price-card .btn{margin-top:26px;width:100%}

/* FAQ */
.faq-list{border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{width:100%;background:none;border:0;text-align:left;padding:22px 44px 22px 0;position:relative;font-size:16.5px;font-weight:600;line-height:1.6;color:var(--text);cursor:pointer}
.faq-q:hover{color:var(--brand)}
.faq-q .ico{position:absolute;right:6px;top:24px;width:18px;height:18px;transition:transform .22s ease;color:var(--brand)}
.faq-q[aria-expanded="true"]{color:var(--brand)}
.faq-q[aria-expanded="true"] .ico{transform:rotate(180deg)}
.faq-a{padding:0 40px 24px 0;font-size:15.5px;line-height:1.85;color:var(--muted)}

/* CTA */
.cta-block{background:var(--brand-deep);color:#fff;padding:80px 0}
.cta-inner{max-width:760px;margin:0 auto;text-align:center}
.cta-inner h2{font-size:clamp(24px,3vw,32px);font-weight:600;line-height:1.4}
.cta-inner p{margin-top:14px;color:rgba(255,255,255,.78);font-size:16px}
.cta-form{margin-top:32px;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;text-align:left}
.cta-form .field{display:flex;flex-direction:column;gap:8px}
.cta-form label{font-size:13px;color:rgba(255,255,255,.78)}
.cta-form input,.cta-form textarea{width:100%;border-radius:var(--r-btn);border:1px solid rgba(255,255,255,.24);background:rgba(255,255,255,.10);color:#fff;padding:12px 14px;font-size:15px;outline:none;transition:border-color .18s ease,background-color .18s ease}
.cta-form input::placeholder,.cta-form textarea::placeholder{color:rgba(255,255,255,.5)}
.cta-form input:focus,.cta-form textarea:focus{border-color:var(--amber);background:rgba(255,255,255,.16)}
.cta-form .full{grid-column:1/-1}
.form-note{margin-top:16px;font-size:13px;color:rgba(255,255,255,.62)}
.form-msg{margin-top:14px;font-size:14px;color:#F3C48C;min-height:20px}

/* 浮动 CTA */
.float-cta{position:fixed;right:28px;bottom:28px;z-index:1060;background:var(--brand);color:#fff;padding:14px 24px;border-radius:999px;font-weight:600;font-size:15px;box-shadow:0 10px 26px rgba(16,58,56,.24);opacity:0;pointer-events:none;transform:translateY(10px);transition:opacity .28s ease,transform .28s ease,background-color .2s ease}
.float-cta.is-visible{opacity:1;pointer-events:auto;transform:translateY(0)}
.float-cta:hover{background:var(--brand-dark);color:#fff}

/* 页脚 */
.site-footer{background:#0E2F2D;color:rgba(255,255,255,.72);padding:64px 0 0}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:32px;padding-bottom:44px}
.footer-col h4{font-size:14px;font-weight:600;color:#fff;letter-spacing:.06em;margin-bottom:18px}
.footer-col li + li{margin-top:11px}
.footer-col a{font-size:14px;color:rgba(255,255,255,.72)}
.footer-col a:hover{color:#fff;transform:translateX(2px);display:inline-block}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-weight:700;font-size:17px;margin-bottom:16px}
.footer-brand .brand-mark{background:linear-gradient(140deg,var(--brand) 0%,#3FA095 100%)}
.footer-about{font-size:14px;line-height:1.85;max-width:320px}
.footer-contact li{font-size:14px;line-height:1.8}
.footer-contact b{color:#fff;font-weight:600}
.footer-col{border-left:1px solid rgba(255,255,255,.10);padding-left:28px}
.footer-col:first-child{border-left:0;padding-left:0}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);padding:20px 0;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:rgba(255,255,255,.55)}

section[id]{scroll-margin-top:118px}

@media (max-width:1199px){
  .hero-inner{grid-template-columns:1fr;gap:36px;align-items:start}
  .hero-side{max-width:560px}
  .stats{grid-template-columns:repeat(4,minmax(0,1fr));gap:24px}
}
@media (max-width:991px){
  .sec{padding:72px 0}
  .nav-desktop{display:none}
  .nav-toggle{display:inline-flex}
  .header-cta .btn-brand{display:none}
  .feature-row{grid-template-columns:1fr;gap:24px;padding:32px 0}
  .feature-row.flip .feature-text{order:0}
  .news-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .price-grid{grid-template-columns:1fr;gap:20px}
  .price-card.featured{transform:none}
  .price-card.featured:hover{transform:translateY(-2px)}
  .steps{grid-template-columns:1fr;gap:26px}
  .step{padding:0}
  .step::before{display:none}
  .step{display:grid;grid-template-columns:38px 1fr;gap:16px;align-items:start;border-left:1px solid var(--line);padding-left:20px;margin-left:19px}
  .step:first-child{padding-left:20px}
  .step-dot{margin-left:-39px;grid-row:1}
  .step h4{margin-top:4px;grid-column:2}
  .step p{grid-column:2;margin-top:6px}
  .step > div{grid-column:2}
  .proof-cards{grid-template-columns:1fr}
  .partners-row{grid-template-columns:repeat(3,minmax(0,1fr))}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:28px}
  .footer-col{border-left:0;padding-left:0}
  .cta-form{grid-template-columns:1fr 1fr}
}
@media (max-width:767px){
  body{font-size:16px;padding-bottom:70px}
  .container{padding-left:16px;padding-right:16px}
  .sec{padding:56px 0}
  .sec-tight{padding:48px 0}
  .topbar .container{gap:10px}
  .topbar-left{font-size:12px}
  .hero{min-height:auto}
  .hero-inner{padding:64px 0;gap:28px}
  .hero-sub{font-size:17px}
  .hero-chips{gap:8px 16px}
  .anchor-nav{top:64px}
  .stats{grid-template-columns:repeat(2,minmax(0,1fr));gap:22px}
  .news-grid{grid-template-columns:1fr}
  .partners-row{grid-template-columns:repeat(2,minmax(0,1fr))}
  .cta-form{grid-template-columns:1fr}
  .cta-block{padding:60px 0}
  .footer-grid{grid-template-columns:1fr;padding-bottom:32px}
  .float-cta{left:0;right:0;bottom:0;border-radius:0;text-align:center;padding:16px;transform:none;opacity:1;pointer-events:auto;font-size:15.5px}
}
@media (max-width:479px){
  .brand-text{font-size:16px}
  .hero h1{font-size:28px}
  .price-value b{font-size:34px}
  .live-list{gap:14px;font-size:13px}
}

/* roulang page: article */
:root{
  --brand:#2E857C;
  --brand-hover:#26706A;
  --brand-deep:#103A38;
  --accent:#DE8A3C;
  --bg:#F7F5F0;
  --card:#FFFFFF;
  --soft:#EEF3F1;
  --text:#17201F;
  --muted:#5E6B68;
  --line:#E4E0D8;
  --radius-card:14px;
  --radius-btn:10px;
  --radius-lg:16px;
  --shadow-card:0 12px 28px rgba(16,58,56,.10);
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16.5px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
}
img{max-width:100%;display:block}
a{color:var(--brand);text-decoration:none;transition:color .2s ease,background .2s ease,border-color .2s ease}
a:hover{color:var(--brand-hover)}
h1,h2,h3,h4{margin:0;font-weight:600;letter-spacing:.2px}
p{margin:0 0 1.15em}
button{font:inherit}
:focus-visible{outline:2px solid var(--brand);outline-offset:3px;border-radius:6px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}

/* 顶部信息条 */
.topbar{background:var(--brand-deep);color:rgba(255,255,255,.82);font-size:12.5px;line-height:38px}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:16px}
.topbar-note{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.topbar-link{color:#F2C48A;font-weight:600;white-space:nowrap}
.topbar-link:hover{color:#fff}

/* 主导航 */
.site-header{position:sticky;top:0;z-index:1030;background:rgba(247,245,240,.95);backdrop-filter:blur(10px);border-bottom:1px solid var(--line);transition:box-shadow .25s ease}
.site-header.is-stuck{box-shadow:0 8px 24px rgba(16,58,56,.09)}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:72px}
.brand{display:flex;align-items:center;gap:10px;color:var(--brand-deep)}
.brand-mark{width:36px;height:36px;border-radius:11px;background:linear-gradient(140deg,#2E857C,#103A38);display:inline-flex;align-items:center;justify-content:center;flex:none}
.brand-mark svg{width:22px;height:22px}
.brand-text{display:flex;flex-direction:column;font-size:18px;font-weight:700;line-height:1.18;color:var(--brand-deep)}
.brand-text small{font-size:11.5px;font-weight:400;color:var(--muted);letter-spacing:.4px}
.nav-desktop ul{display:flex;align-items:center;gap:4px}
.nav-desktop a{display:inline-block;padding:8px 14px;border-radius:999px;font-size:15px;color:var(--text);font-weight:500}
.nav-desktop a:hover{color:var(--brand);background:var(--soft)}
.nav-desktop a.active{color:var(--brand);font-weight:600;background:var(--soft);box-shadow:inset 0 -2px 0 var(--brand)}
.header-cta{display:flex;align-items:center;gap:10px}
.nav-toggle{display:none;border:1px solid var(--line);background:#fff;color:var(--brand-deep);font-size:14px;font-weight:600;padding:9px 16px;border-radius:var(--radius-btn);cursor:pointer}
.nav-toggle:hover{border-color:var(--brand);color:var(--brand)}
.mobile-nav{background:#fff;border-top:1px solid var(--line)}
.mobile-nav ul{padding:6px 0}
.mobile-nav li a{display:block;padding:0 24px;line-height:48px;color:var(--text);font-size:15px;border-bottom:1px solid var(--line)}
.mobile-nav li a.active{color:var(--brand);font-weight:600;background:var(--soft)}
.mobile-nav .m-cta{padding:16px 24px 20px}
.mobile-nav .m-cta .btn{width:100%}

/* 按钮 */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:1px solid transparent;border-radius:var(--radius-btn);padding:13px 24px;font-size:15px;font-weight:600;line-height:1;cursor:pointer;transition:transform .18s ease,background .18s ease,color .18s ease,border-color .18s ease,box-shadow .18s ease}
.btn-sm{padding:9px 18px;font-size:14px}
.btn-brand{background:var(--brand);color:#fff}
.btn-brand:hover{background:var(--brand-hover);color:#fff;transform:translateY(-1px)}
.btn-ghost{background:transparent;border-color:var(--brand);color:var(--brand)}
.btn-ghost:hover{background:rgba(46,133,124,.08);color:var(--brand-hover)}
.btn-outline-light{background:transparent;border-color:rgba(255,255,255,.55);color:#fff}
.btn-outline-light:hover{background:rgba(255,255,255,.14);color:#fff;border-color:#fff}
.btn-light{background:#fff;color:var(--brand-deep)}
.btn-light:hover{background:#F1EDE4;color:var(--brand-deep)}

/* 面包屑 */
.crumbs{background:#fff;border-bottom:1px solid var(--line);font-size:13.5px;color:var(--muted)}
.crumbs ol{display:flex;align-items:center;gap:8px;flex-wrap:wrap;padding:14px 0;margin:0;list-style:none}
.crumbs a{color:var(--muted)}
.crumbs a:hover{color:var(--brand)}
.crumbs .sep{color:#C9C3B8}
.crumbs .current{color:var(--text);max-width:340px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;display:inline-block;vertical-align:bottom}

/* 文章主体 */
.page-main{padding:40px 0 0}
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:48px;align-items:start}
.article-main{max-width:820px;min-width:0}
.article-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);padding:36px 40px 32px}
.article-head{border-bottom:1px solid var(--line);padding-bottom:22px;margin-bottom:30px}
.badge-soft{display:inline-flex;align-items:center;background:var(--soft);color:var(--brand);font-size:12.5px;font-weight:600;padding:5px 13px;border-radius:999px}
.article-title{font-size:clamp(26px,3.4vw,38px);line-height:1.32;font-weight:700;margin:16px 0 14px;color:var(--text)}
.meta-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:13.5px;color:var(--muted)}
.meta-row .dot{width:4px;height:4px;border-radius:50%;background:#CFC9BE}

/* 正文排版 */
.article-body{font-size:16.5px;line-height:1.9;color:#23302E;overflow-wrap:break-word}
.article-body p{margin:0 0 1.15em}
.article-body h2{font-size:clamp(20px,2.4vw,26px);font-weight:600;line-height:1.45;margin:2.2em 0 .8em;padding-left:14px;position:relative;color:var(--brand-deep)}
.article-body h2::before{content:"";position:absolute;left:0;top:.2em;width:4px;height:1.02em;border-radius:3px;background:var(--brand)}
.article-body h3{font-size:20px;font-weight:600;line-height:1.5;margin:1.8em 0 .6em;color:var(--brand-deep)}
.article-body ul,.article-body ol{margin:0 0 1.2em;padding-left:1.5em}
.article-body ul{list-style:disc}
.article-body ol{list-style:decimal}
.article-body li{margin:.4em 0}
.article-body blockquote{margin:1.6em 0;padding:16px 22px;background:var(--soft);border-left:4px solid var(--brand);border-radius:0 10px 10px 0;color:#33413E}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:12px;margin:1.6em auto;height:auto}
.article-body figure{margin:1.6em 0}
.article-body figcaption{font-size:13px;color:var(--muted);text-align:center;margin-top:8px}
.article-body table{width:100%;border-collapse:collapse;margin:1.6em 0;font-size:15px;display:block;overflow-x:auto}
.article-body th,.article-body td{border:1px solid var(--line);padding:10px 14px;text-align:left;white-space:nowrap}
.article-body th{background:var(--soft);font-weight:600}
.article-body pre{background:var(--brand-deep);color:#EAF3F1;padding:18px 20px;border-radius:10px;overflow-x:auto;font-size:14px;line-height:1.7}
.article-body code{font-family:ui-monospace,Menlo,Consolas,monospace;font-size:.92em}
.article-body p code,.article-body li code{background:var(--soft);color:var(--brand-deep);padding:2px 6px;border-radius:6px}
.article-body a{color:var(--brand);border-bottom:1px solid rgba(46,133,124,.35)}

/* 文末 */
.article-foot{margin-top:36px;padding-top:24px;border-top:1px solid var(--line);display:flex;flex-wrap:wrap;gap:16px;align-items:center;justify-content:space-between}
.tag-row{display:flex;flex-wrap:wrap;align-items:center;gap:8px}
.tag-label{font-size:13px;color:var(--muted)}
.chip{display:inline-flex;align-items:center;padding:6px 14px;border-radius:999px;background:var(--soft);color:var(--brand);font-size:13px;font-weight:500}
.chip:hover{background:rgba(46,133,124,.16);color:var(--brand-hover)}
.act-row{display:flex;flex-wrap:wrap;gap:10px}

/* 空状态 */
.empty-state{text-align:center;padding:52px 24px;background:var(--soft);border:1px dashed var(--line);border-radius:var(--radius-card)}
.empty-state .icon{width:54px;height:54px;border-radius:15px;background:#fff;display:flex;align-items:center;justify-content:center;margin:0 auto 16px;color:var(--brand)}
.empty-state .icon svg{width:26px;height:26px}
.empty-state h2{font-size:20px;color:var(--brand-deep);margin-bottom:8px}
.empty-state p{color:var(--muted);font-size:15px;margin-bottom:20px}

/* 侧栏 */
.side-col{position:sticky;top:100px;display:flex;flex-direction:column;gap:20px}
.side-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);padding:22px}
.side-card h3{font-size:15px;font-weight:600;color:var(--brand-deep);margin-bottom:14px;display:flex;align-items:center;gap:8px}
.side-card h3::before{content:"";width:8px;height:8px;border-radius:3px;background:var(--accent);flex:none}
.toc-list li a{display:block;font-size:14px;line-height:1.55;color:var(--muted);padding:7px 10px 7px 12px;border-left:2px solid var(--line);transition:all .2s ease}
.toc-list li a:hover,.toc-list li a.is-active{color:var(--brand);border-left-color:var(--brand);background:linear-gradient(90deg,rgba(46,133,124,.07),transparent)}
.side-links li a{display:flex;align-items:center;justify-content:space-between;font-size:14.5px;color:var(--text);padding:10px 0;border-bottom:1px solid var(--line)}
.side-links li:last-child a{border-bottom:none}
.side-links li a:hover{color:var(--brand);padding-left:3px}
.side-links li a span{color:#C9C3B8;font-size:13px}
.side-contact p{font-size:14px;color:var(--muted);margin:0 0 14px;line-height:1.75}
.side-contact .side-line{display:flex;justify-content:space-between;font-size:14px;color:var(--muted);padding:7px 0;border-bottom:1px dashed var(--line)}
.side-contact .side-line b{color:var(--brand-deep);font-weight:600;font-variant-numeric:tabular-nums}
.side-contact .btn{width:100%;margin-top:16px}

/* 保障条 */
.assure-strip{margin-top:24px;display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden}
.assure-item{background:#fff;padding:20px 22px}
.assure-item strong{display:block;font-size:15.5px;color:var(--brand-deep);margin-bottom:6px}
.assure-item span{font-size:13.5px;color:var(--muted);line-height:1.7}

/* 板块通用 */
.section{padding:88px 0}
.section-tight{padding:64px 0 88px}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;flex-wrap:wrap;margin-bottom:32px}
.section-head h2{font-size:clamp(22px,2.6vw,30px);line-height:1.35;color:var(--brand-deep)}
.section-head p{margin:8px 0 0;color:var(--muted);font-size:15px}
.link-more{font-size:14.5px;font-weight:600;color:var(--brand);white-space:nowrap}
.link-more:hover{color:var(--brand-hover)}

/* 卡片 */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.card-post{background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden;display:flex;flex-direction:column;transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;color:var(--text)}
.card-post:hover{transform:translateY(-2px);box-shadow:var(--shadow-card);border-color:#D6D0C5;color:var(--text)}
.thumb{aspect-ratio:16/10;background:var(--soft);border-bottom:1px solid var(--line);position:relative;overflow:hidden}
.thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.card-post:hover .thumb img{transform:scale(1.04)}
.thumb.is-broken img{display:none}
.thumb.is-broken::after{content:"图片加载中";position:absolute;inset:0;display:flex;align-items:center;justify-content:center;font-size:13px;color:var(--muted)}
.card-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.card-cat{align-self:flex-start;font-size:12px;font-weight:600;color:var(--brand);background:var(--soft);border-radius:999px;padding:4px 11px}
.card-title{font-size:17px;font-weight:600;line-height:1.5;color:var(--text);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-desc{font-size:14.5px;line-height:1.7;color:var(--muted);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-meta{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--muted);font-variant-numeric:tabular-nums}

/* CTA */
.cta-band{background:var(--brand-deep);border-radius:18px;padding:48px 44px;color:#fff;display:grid;grid-template-columns:1.05fr .95fr;gap:44px;align-items:center}
.cta-band h2{font-size:clamp(22px,2.6vw,30px);line-height:1.4;color:#fff;margin-bottom:12px}
.cta-band p{color:rgba(255,255,255,.75);font-size:15.5px;margin:0 0 22px}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px}
.form-grid{display:grid;gap:12px}
.form-control-x{width:100%;padding:13px 15px;border-radius:var(--radius-btn);border:1px solid rgba(255,255,255,.26);background:rgba(255,255,255,.08);color:#fff;font-size:15px;transition:border-color .2s ease,background .2s ease,box-shadow .2s ease}
.form-control-x::placeholder{color:rgba(255,255,255,.55)}
.form-control-x:focus{outline:none;border-color:#7FCFC4;background:rgba(255,255,255,.14);box-shadow:0 0 0 3px rgba(127,207,196,.18)}
.form-tip{font-size:12.5px;color:rgba(255,255,255,.6);margin:0}

/* 页脚 */
.site-footer{background:var(--brand-deep);color:rgba(255,255,255,.72);padding:64px 0 0;font-size:14.5px;margin-top:88px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr}
.footer-col{padding:0 28px;border-left:1px solid rgba(255,255,255,.12)}
.footer-col:first-child{padding-left:0;border-left:none}
.footer-col:last-child{padding-right:0}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-size:18px;font-weight:700;margin-bottom:14px}
.footer-brand .brand-mark{width:34px;height:34px;border-radius:10px}
.footer-brand .brand-mark svg{width:20px;height:20px}
.footer-about{font-size:14px;line-height:1.8;color:rgba(255,255,255,.66);margin:0;max-width:330px}
.footer-col h4{font-size:15px;color:#fff;margin-bottom:14px;font-weight:600}
.site-footer ul{margin:0;padding:0;list-style:none}
.site-footer ul li{margin-bottom:10px}
.site-footer a{color:rgba(255,255,255,.72);display:inline-block}
.site-footer a:hover{color:#fff;transform:translateX(2px)}
.footer-contact b{color:#F2C48A;font-weight:600}
.footer-bottom{margin-top:48px;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)}

/* 浮动行动入口 */
.float-cta{position:fixed;right:24px;bottom:28px;z-index:1040;display:inline-flex;align-items:center;gap:8px;background:var(--brand);color:#fff;padding:14px 24px;border-radius:999px;font-weight:600;font-size:15px;box-shadow:0 14px 30px rgba(16,58,56,.24);opacity:0;visibility:hidden;transform:translateY(12px);transition:opacity .28s ease,transform .28s ease,visibility .28s ease,background .2s ease}
.float-cta.show{opacity:1;visibility:visible;transform:translateY(0)}
.float-cta:hover{background:var(--brand-hover);color:#fff}
.toast-tip{position:fixed;left:50%;bottom:100px;transform:translate(-50%,10px);background:var(--brand-deep);color:#fff;font-size:13.5px;padding:10px 18px;border-radius:999px;opacity:0;visibility:hidden;transition:all .25s ease;z-index:1050}
.toast-tip.show{opacity:1;visibility:visible;transform:translate(-50%,0)}

@media (max-width:1199px){
  .news-grid{grid-template-columns:repeat(2,1fr)}
  .article-layout{gap:32px}
}
@media (max-width:991px){
  .nav-desktop{display:none}
  .nav-toggle{display:inline-flex}
  .header-cta .btn-brand{display:none}
  .article-layout{grid-template-columns:1fr}
  .article-main{max-width:100%}
  .side-col{position:static;margin-top:28px}
  .cta-band{grid-template-columns:1fr;padding:36px 28px;gap:28px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px 0}
  .footer-col{padding:0 20px}
  .footer-col:nth-child(3){padding-left:0;border-left:none}
  .assure-strip{grid-template-columns:1fr}
}
@media (max-width:767px){
  body{padding-bottom:64px}
  .container{padding:0 16px}
  .section{padding:60px 0}
  .section-tight{padding:44px 0 60px}
  .article-card{padding:24px 20px 24px}
  .article-body{font-size:16px}
  .article-body table{font-size:14px}
  .news-grid{grid-template-columns:1fr}
  .topbar-note{max-width:56vw}
  .footer-grid{grid-template-columns:1fr;gap:0}
  .footer-col{padding:22px 0;border-left:none;border-top:1px solid rgba(255,255,255,.12)}
  .footer-col:first-child{padding-top:0;border-top:none}
  .footer-bottom{margin-top:24px}
  .float-cta{left:0;right:0;bottom:0;border-radius:0;justify-content:center;padding:16px;opacity:1;visibility:visible;transform:none;box-shadow:0 -6px 20px rgba(16,58,56,.2)}
  .toast-tip{bottom:80px}
  .crumbs .current{max-width:180px}
}
@media (max-width:479px){
  .brand-text{font-size:16px}
  .brand-text small{display:none}
  .article-title{font-size:24px}
  .cta-actions .btn{width:100%}
}

/* roulang page: category1 */
:root{
  --brand:#2E857C;
  --brand-dark:#26706A;
  --brand-deep:#103A38;
  --accent:#DE8A3C;
  --bg:#F7F5F0;
  --surface:#FFFFFF;
  --soft:#EEF3F1;
  --text:#17201F;
  --muted:#5E6B68;
  --line:#E4E0D8;
  --r-card:14px;
  --r-btn:10px;
  --r-lg:16px;
  --shadow-hover:0 12px 28px rgba(16,58,56,.10);
  --font:"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16.5px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto;}
a{color:var(--brand);text-decoration:none;transition:color .2s ease;}
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(46,133,124,.30);}
h1,h2,h3,h4{margin:0;font-weight:600;color:var(--text);}
p{margin:0 0 1.15em;}
ul,ol{margin:0;padding:0;}
button{font-family:inherit;}
.container{max-width:1200px;margin:0 auto;padding-left:24px;padding-right:24px;width:100%;}
.num{font-variant-numeric:tabular-nums;}

/* ---------- 按钮 ---------- */
.btn-brand,
.btn-outline-brand{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--r-btn);font-size:15px;font-weight:600;
  padding:12px 24px;line-height:1.2;cursor:pointer;
  transition:background-color .22s ease,color .22s ease,border-color .22s ease,transform .22s ease,box-shadow .22s ease;
  border:1px solid transparent;text-align:center;
}
.btn-brand{background:var(--brand);border-color:var(--brand);color:#fff;}
.btn-brand:hover{background:var(--brand-dark);border-color:var(--brand-dark);color:#fff;transform:translateY(-1px);}
.btn-outline-brand{background:transparent;border-color:var(--brand);color:var(--brand);}
.btn-outline-brand:hover{background:rgba(46,133,124,.08);color:var(--brand-dark);border-color:var(--brand-dark);}
.btn-light-outline{background:transparent;border:1px solid rgba(255,255,255,.62);color:#fff;}
.btn-light-outline:hover{background:rgba(255,255,255,.14);color:#fff;border-color:#fff;}
.btn-brand.btn-sm{padding:9px 18px;font-size:14px;}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(255,255,255,.97);
  border-bottom:1px solid var(--line);
  backdrop-filter:blur(8px);
  transition:box-shadow .25s ease;
}
.site-header.is-scrolled{box-shadow:0 6px 18px rgba(16,58,56,.08);}
.header-inner{display:flex;align-items:center;gap:20px;min-height:74px;}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.brand-mark{width:34px;height:34px;border-radius:10px;background:var(--brand);display:grid;place-items:center;flex-shrink:0;}
.brand-mark svg{width:20px;height:20px;}
.brand-text{display:flex;flex-direction:column;font-size:18px;font-weight:700;line-height:1.16;color:var(--brand-deep);letter-spacing:.2px;}
.brand-text small{font-size:11.5px;font-weight:500;color:var(--muted);letter-spacing:.5px;margin-top:2px;}
.nav-desktop{margin-left:auto;}
.nav-desktop ul{display:flex;align-items:center;gap:4px;list-style:none;}
.nav-desktop a{
  position:relative;display:block;padding:9px 13px;border-radius:999px;
  font-size:15px;color:var(--text);
}
.nav-desktop a:hover{color:var(--brand);background:var(--soft);}
.nav-desktop a.active{color:var(--brand);font-weight:600;}
.nav-desktop a.active::after{
  content:"";position:absolute;left:13px;right:13px;bottom:3px;height:2px;border-radius:2px;background:var(--brand);
}
.header-cta{display:flex;align-items:center;gap:10px;margin-left:6px;}
.nav-toggle{
  display:none;border:1px solid var(--line);background:#fff;color:var(--brand-deep);
  border-radius:var(--r-btn);padding:9px 16px;font-size:14px;font-weight:600;
}
.nav-toggle:hover{border-color:var(--brand);color:var(--brand);}
.mobile-nav{background:#fff;border-top:1px solid var(--line);}
.mobile-nav ul{list-style:none;}
.mobile-nav li+li{border-top:1px solid var(--line);}
.mobile-nav a{display:block;padding:0 24px;line-height:48px;color:var(--text);font-size:15px;}
.mobile-nav a.active{color:var(--brand);font-weight:600;background:var(--soft);}
.mobile-nav .m-cta{padding:14px 24px 20px;}
.mobile-nav .m-cta .btn-brand{width:100%;}
@media (min-width:992px){.mobile-nav{display:none!important;}}

/* ---------- 页面横幅 ---------- */
.page-banner{
  position:relative;color:#fff;padding:78px 0 66px;
  background-image:
    linear-gradient(112deg,rgba(16,58,56,.94) 0%,rgba(16,58,56,.80) 52%,rgba(16,58,56,.58) 100%),
    url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;
}
.page-banner .banner-inner{max-width:820px;}
.banner-tag{
  display:inline-flex;align-items:center;gap:8px;
  background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.26);
  color:#fff;border-radius:999px;font-size:12.5px;padding:6px 14px;margin-bottom:18px;
}
.banner-tag .dot{width:6px;height:6px;border-radius:50%;background:var(--accent);display:inline-block;}
.page-banner h1{
  color:#fff;font-size:clamp(30px,4.4vw,48px);line-height:1.22;font-weight:700;letter-spacing:.4px;
}
.page-banner h1 span{display:block;font-size:clamp(22px,2.6vw,30px);font-weight:600;color:rgba(255,255,255,.86);margin-top:10px;}
.banner-lead{color:rgba(255,255,255,.82);font-size:17px;line-height:1.8;margin:18px 0 0;max-width:700px;}
.banner-chips{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px;}
.banner-chips span{
  background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.22);
  border-radius:999px;padding:7px 15px;font-size:13px;color:rgba(255,255,255,.92);
}

/* ---------- 面包屑 ---------- */
.crumb-bar{background:var(--surface);border-bottom:1px solid var(--line);}
.crumb{display:flex;align-items:center;gap:8px;font-size:13.5px;color:var(--muted);padding:13px 0;flex-wrap:wrap;}
.crumb a{color:var(--muted);}
.crumb a:hover{color:var(--brand);}
.crumb .sep{color:var(--line);}
.crumb .current{color:var(--text);font-weight:600;}

/* ---------- 主体布局 ---------- */
.page-body{padding:64px 0 88px;}
.layout{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:44px;align-items:start;}
.article-main{min-width:0;}
.lead-text{font-size:17.5px;line-height:1.9;color:var(--muted);margin-bottom:12px;}
.lead-text strong{color:var(--text);font-weight:600;}

.block{margin-top:56px;scroll-margin-top:100px;}
.block:first-of-type{margin-top:40px;}
.block-head{margin-bottom:22px;}
.eyebrow{
  display:inline-block;font-size:12.5px;font-weight:700;letter-spacing:1.4px;
  color:var(--accent);text-transform:uppercase;margin-bottom:10px;
}
.block h2{font-size:clamp(24px,3vw,32px);line-height:1.35;font-weight:600;position:relative;padding-left:16px;}
.block h2::before{
  content:"";position:absolute;left:0;top:.18em;bottom:.18em;width:4px;border-radius:3px;background:var(--brand);
}
.block h3{font-size:20px;font-weight:600;margin-bottom:10px;}
.block p{color:var(--muted);}

/* 图文交替 */
.split{display:grid;grid-template-columns:1fr 1fr;gap:36px;align-items:center;margin-top:26px;}
.split+.split{margin-top:44px;}
.media{
  border-radius:12px;overflow:hidden;background:var(--soft);border:1px solid var(--line);
}
.media img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:12px;}
.split.reverse .media{order:2;}
.split.reverse .txt{order:1;}

.check-list{list-style:none;margin:18px 0 0;display:grid;gap:12px;}
.check-list li{position:relative;padding-left:26px;color:var(--text);font-size:15.5px;line-height:1.8;}
.check-list li::before{
  content:"";position:absolute;left:0;top:.62em;width:12px;height:7px;
  border-left:2.5px solid var(--brand);border-bottom:2.5px solid var(--brand);
  transform:rotate(-45deg);border-radius:1px;
}
.check-list li b{font-weight:600;}

.mini-cards{display:grid;gap:14px;margin-top:20px;}
.mini-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  padding:18px 20px;transition:box-shadow .25s ease,transform .25s ease,border-color .25s ease;
}
.mini-card:hover{box-shadow:var(--shadow-hover);transform:translateY(-2px);border-color:#d9d3c7;}
.mini-card h4{font-size:16px;font-weight:600;margin-bottom:6px;display:flex;align-items:center;gap:9px;}
.mini-card h4 i{width:7px;height:7px;border-radius:50%;background:var(--accent);display:inline-block;flex-shrink:0;}
.mini-card p{font-size:14.5px;color:var(--muted);margin:0;line-height:1.75;}

/* 步骤 */
.steps{counter-reset:st;display:grid;gap:14px;margin-top:24px;}
.step{
  display:grid;grid-template-columns:46px 1fr;gap:16px;align-items:start;
  background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:16px 20px;
  transition:box-shadow .25s ease,transform .25s ease;
}
.step:hover{box-shadow:var(--shadow-hover);transform:translateY(-2px);}
.step::before{
  counter-increment:st;content:counter(st,decimal-leading-zero);
  width:46px;height:46px;border-radius:12px;background:var(--soft);
  color:var(--brand);font-weight:700;font-size:15px;
  display:grid;place-items:center;font-variant-numeric:tabular-nums;
}
.step h4{font-size:16.5px;font-weight:600;margin-bottom:4px;}
.step p{margin:0;font-size:14.5px;color:var(--muted);line-height:1.75;}

/* 侧栏 */
.sidebar{position:sticky;top:96px;display:grid;gap:20px;}
.side-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);padding:22px;
}
.side-card h4{
  font-size:15px;font-weight:700;color:var(--brand-deep);margin-bottom:14px;
  padding-bottom:12px;border-bottom:1px solid var(--line);
}
.side-nav{display:grid;gap:4px;}
.side-nav a{
  display:block;padding:9px 12px;border-radius:10px;font-size:14.5px;color:var(--muted);
  border-left:2px solid transparent;transition:all .2s ease;
}
.side-nav a:hover{background:var(--soft);color:var(--brand);border-left-color:var(--brand);}
.side-links{display:grid;gap:10px;}
.side-links a{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  font-size:14.5px;color:var(--text);padding:10px 12px;border-radius:10px;
  background:var(--soft);transition:all .2s ease;
}
.side-links a:hover{background:#e4ecea;color:var(--brand);}
.side-links a span{color:var(--muted);font-size:12.5px;}
.side-links a.is-current{background:rgba(46,133,124,.10);color:var(--brand);font-weight:600;}
.contact-list{list-style:none;display:grid;gap:12px;}
.contact-list li{font-size:14.5px;color:var(--muted);display:flex;justify-content:space-between;gap:10px;border-bottom:1px dashed var(--line);padding-bottom:10px;}
.contact-list li:last-child{border-bottom:none;padding-bottom:0;}
.contact-list li b{color:var(--text);font-weight:600;}
.side-card .btn-brand{width:100%;margin-top:16px;}

/* FAQ */
.faq-list{display:grid;gap:0;margin-top:18px;}
.faq-item{border-bottom:1px solid var(--line);}
.faq-item:first-child{border-top:1px solid var(--line);}
.faq-btn{
  width:100%;background:none;border:none;text-align:left;cursor:pointer;
  padding:18px 2px;font-size:16.5px;font-weight:600;color:var(--text);
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  transition:color .2s ease;
}
.faq-btn:hover{color:var(--brand);}
.faq-btn .chev{
  width:20px;height:20px;flex-shrink:0;position:relative;transition:transform .28s ease;
}
.faq-btn .chev::before,.faq-btn .chev::after{
  content:"";position:absolute;top:50%;left:0;width:100%;height:2px;border-radius:2px;background:var(--brand);
  transition:transform .28s ease;
}
.faq-btn .chev::before{transform:translateY(-50%);}
.faq-btn .chev::after{transform:translateY(-50%) rotate(90deg);}
.faq-btn[aria-expanded="true"] .chev::after{transform:translateY(-50%) rotate(0deg);}
.faq-btn[aria-expanded="true"]{color:var(--brand);}
.faq-body{padding:0 2px 20px;font-size:15.5px;line-height:1.85;color:var(--muted);max-width:760px;}

/* CTA */
.cta-section{
  margin-top:80px;scroll-margin-top:100px;
  background:var(--brand-deep);color:#fff;border-radius:var(--r-lg);
  padding:52px 48px;position:relative;overflow:hidden;
}
.cta-section::after{
  content:"";position:absolute;right:-60px;top:-60px;width:260px;height:260px;border-radius:50%;
  background:radial-gradient(circle,rgba(46,133,124,.55),rgba(46,133,124,0) 68%);
}
.cta-section h2{color:#fff;font-size:clamp(24px,3vw,32px);line-height:1.35;font-weight:600;}
.cta-section p{color:rgba(255,255,255,.74);font-size:16px;margin:12px 0 0;max-width:620px;}
.cta-grid{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:center;position:relative;z-index:1;}
.cta-form{display:grid;gap:12px;}
.cta-form .form-control{
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.24);
  border-radius:var(--r-btn);color:#fff;font-size:15px;padding:12px 16px;width:100%;
}
.cta-form .form-control::placeholder{color:rgba(255,255,255,.55);}
.cta-form .form-control:focus{background:rgba(255,255,255,.14);border-color:var(--brand);box-shadow:0 0 0 3px rgba(46,133,124,.4);}
.cta-form .hint{font-size:12.5px;color:rgba(255,255,255,.6);margin:0;}
.cta-form .btn-brand{width:100%;}

/* 页脚 */
.site-footer{background:var(--brand-deep);color:#fff;padding:64px 0 0;margin-top:88px;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:36px;padding-bottom:44px;}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-weight:700;font-size:18px;margin-bottom:14px;}
.footer-brand .brand-mark{width:32px;height:32px;border-radius:9px;}
.footer-about{color:rgba(255,255,255,.66);font-size:14.5px;line-height:1.85;margin:0;max-width:330px;}
.footer-col h4{font-size:15px;color:#fff;margin-bottom:16px;font-weight:600;}
.footer-col ul{list-style:none;display:grid;gap:11px;}
.footer-col a{color:rgba(255,255,255,.72);font-size:14.5px;display:inline-block;transition:color .2s ease,transform .2s ease;}
.footer-col a:hover{color:#fff;transform:translateX(2px);}
.footer-contact li{font-size:14.5px;color:rgba(255,255,255,.72);}
.footer-contact li b{color:#fff;font-weight:600;}
.footer-bottom{
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
  border-top:1px solid rgba(255,255,255,.14);padding:20px 0;font-size:13px;color:rgba(255,255,255,.6);
}

/* 响应式 */
@media (max-width:1199.98px){
  .layout{grid-template-columns:minmax(0,1fr) 300px;gap:32px;}
}
@media (max-width:991.98px){
  .nav-desktop{display:none;}
  .header-cta .btn-brand{display:none;}
  .nav-toggle{display:inline-flex;}
  .header-inner{gap:12px;min-height:66px;}
  .layout{grid-template-columns:1fr;gap:40px;}
  .sidebar{position:static;}
  .split{grid-template-columns:1fr;gap:22px;}
  .split.reverse .media{order:0;}
  .split.reverse .txt{order:0;}
  .cta-grid{grid-template-columns:1fr;gap:28px;}
  .cta-section{padding:42px 28px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
}
@media (max-width:767.98px){
  body{font-size:16px;}
  .container{padding-left:16px;padding-right:16px;}
  .page-banner{padding:56px 0 48px;}
  .banner-lead{font-size:15.5px;}
  .page-body{padding:44px 0 64px;}
  .block{margin-top:44px;}
  .cta-section{padding:36px 22px;border-radius:12px;}
  .footer-grid{grid-template-columns:1fr;gap:26px;}
  .footer-bottom{font-size:12.5px;}
  .faq-btn{font-size:15.5px;}
}
@media (max-width:479.98px){
  .brand-text{font-size:16px;}
  .brand-text small{font-size:10.5px;}
  .step{grid-template-columns:38px 1fr;gap:12px;padding:14px 16px;}
  .step::before{width:38px;height:38px;font-size:14px;border-radius:10px;}
  .banner-chips span{font-size:12px;padding:6px 12px;}
}

/* roulang page: category2 */
:root{
  --brand:#2E857C;
  --brand-dark:#26706A;
  --ink:#103A38;
  --accent:#DE8A3C;
  --bg:#F7F5F0;
  --card:#FFFFFF;
  --soft:#EEF3F1;
  --text:#17201F;
  --muted:#5E6B68;
  --line:#E4E0D8;
  --r-card:14px;
  --r-btn:10px;
  --r-img:16px;
  --shadow-hover:0 12px 28px rgba(16,58,56,.10);
  --shadow-soft:0 6px 18px rgba(16,58,56,.06);
  --s1:8px; --s2:16px; --s3:24px; --s4:32px; --s5:48px; --s6:64px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:16.5px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-radius:12px}
a{color:var(--brand);text-decoration:none;transition:color .18s ease,transform .18s ease}
a:hover{color:var(--brand-dark)}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;line-height:1.35;font-weight:600;color:var(--ink)}
p{margin:0 0 1.15em}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px}
.container{max-width:1200px;padding-left:24px;padding-right:24px}

/* ============ 顶部信息条 ============ */
.topbar{background:var(--ink);color:rgba(255,255,255,.86);font-size:12.5px;line-height:38px;height:38px}
.topbar .container{display:flex;align-items:center;justify-content:space-between;gap:16px;height:38px}
.topbar-left{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;display:flex;align-items:center;gap:8px}
.topbar-left i{color:var(--accent)}
.topbar-right{display:flex;align-items:center;gap:10px;white-space:nowrap}
.topbar-right a{color:#F2C48A;font-weight:600}
.topbar-right a:hover{color:#fff}
.topbar-sep{color:rgba(255,255,255,.28)}

/* ============ 头部与导航 ============ */
.site-header{
  position:sticky;top:0;z-index:1030;background:#fff;
  border-bottom:1px solid var(--line);
  transition:box-shadow .22s ease;
}
.site-header.is-scrolled{box-shadow:0 6px 20px rgba(16,58,56,.08)}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:72px}
.brand{display:flex;align-items:center;gap:10px;color:var(--ink)}
.brand:hover{color:var(--ink)}
.brand-mark{
  width:38px;height:38px;border-radius:12px;flex:0 0 38px;
  background:linear-gradient(150deg,#2E857C 0%,#103A38 100%);
  display:flex;align-items:center;justify-content:center;
}
.brand-mark svg{width:22px;height:22px}
.brand-text{display:flex;flex-direction:column;font-size:17px;font-weight:700;letter-spacing:.2px;line-height:1.2}
.brand-text small{font-size:11.5px;font-weight:400;color:var(--muted);letter-spacing:.4px;margin-top:2px}
.nav-desktop ul{display:flex;align-items:center;gap:2px}
.nav-desktop a{
  position:relative;display:block;padding:10px 14px;font-size:15px;color:var(--muted);border-radius:8px;
}
.nav-desktop a::after{
  content:"";position:absolute;left:14px;right:14px;bottom:4px;height:2px;border-radius:2px;
  background:var(--brand);transform:scaleX(0);transform-origin:left;transition:transform .2s ease;
}
.nav-desktop a:hover{color:var(--ink);background:var(--soft)}
.nav-desktop a.active{color:var(--ink);font-weight:600}
.nav-desktop a.active::after{transform:scaleX(1)}
.header-cta{display:flex;align-items:center;gap:10px}
.nav-toggle{
  display:none;border:1px solid var(--line);background:#fff;color:var(--ink);
  border-radius:var(--r-btn);padding:8px 14px;font-size:14px;
}
.nav-toggle:hover{border-color:var(--brand);color:var(--brand)}
.mobile-nav{display:none;border-top:1px solid var(--line);background:#fff}
.mobile-nav ul{padding:8px 16px}
.mobile-nav a{display:block;line-height:48px;font-size:16px;color:var(--text);border-bottom:1px solid var(--line)}
.mobile-nav a.active{color:var(--brand);font-weight:600}
.mobile-nav .m-cta{padding:16px}
.mobile-nav.show,.mobile-nav.collapsing{display:block}

/* ============ 按钮 ============ */
.btn-brand{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:var(--brand);color:#fff;border:1px solid var(--brand);
  border-radius:var(--r-btn);padding:11px 20px;font-size:15px;font-weight:600;
  transition:background .18s ease,transform .18s ease,border-color .18s ease,color .18s ease;
}
.btn-brand:hover{background:var(--brand-dark);border-color:var(--brand-dark);color:#fff;transform:translateY(-1px)}
.btn-brand:active{transform:translateY(0)}
.btn-brand.btn-sm{padding:9px 16px;font-size:14px}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:transparent;color:var(--brand);border:1px solid var(--brand);
  border-radius:var(--r-btn);padding:11px 20px;font-size:15px;font-weight:600;
  transition:background .18s ease,transform .18s ease;
}
.btn-ghost:hover{background:rgba(46,133,124,.08);color:var(--brand-dark);transform:translateY(-1px)}
.btn-amber{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:var(--accent);color:#fff;border:1px solid var(--accent);
  border-radius:var(--r-btn);padding:11px 20px;font-size:15px;font-weight:600;
  transition:background .18s ease,transform .18s ease;
}
.btn-amber:hover{background:#c97a2f;border-color:#c97a2f;color:#fff;transform:translateY(-1px)}

/* ============ 页面横幅 ============ */
.page-banner{
  position:relative;color:#fff;overflow:hidden;
  background-image:linear-gradient(100deg,rgba(16,58,56,.92) 0%,rgba(16,58,56,.78) 48%,rgba(16,58,56,.55) 100%),url(/assets/images/backpic/back-2.png);
  background-size:cover;background-position:center;
  padding:84px 0 68px;
}
.banner-inner{position:relative;z-index:2;max-width:760px}
.banner-tag{
  display:inline-flex;align-items:center;gap:8px;font-size:12px;letter-spacing:.6px;
  background:rgba(222,138,60,.92);color:#fff;border-radius:999px;padding:5px 14px;margin-bottom:18px;font-weight:600;
}
.page-banner h1{
  color:#fff;font-size:clamp(30px,4.4vw,48px);line-height:1.22;font-weight:700;margin-bottom:16px;
}
.banner-sub{font-size:17px;line-height:1.75;color:rgba(255,255,255,.86);max-width:620px;margin-bottom:24px}
.banner-chips{display:flex;flex-wrap:wrap;gap:10px}
.banner-chips span{
  display:inline-flex;align-items:center;gap:7px;font-size:13px;
  background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.26);
  color:#fff;border-radius:999px;padding:6px 14px;
}
.banner-chips i{color:#F2C48A}

/* ============ 面包屑 ============ */
.breadcrumb-bar{background:#fff;border-bottom:1px solid var(--line)}
.breadcrumb-bar ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:var(--muted);line-height:54px}
.breadcrumb-bar li{display:flex;align-items:center;gap:8px}
.breadcrumb-bar li::after{content:"/";color:#C6C0B4}
.breadcrumb-bar li:last-child::after{display:none}
.breadcrumb-bar a{color:var(--muted)}
.breadcrumb-bar a:hover{color:var(--brand)}
.breadcrumb-bar .current{color:var(--ink);font-weight:600}

/* ============ 主体布局 ============ */
.layout-wrap{padding:64px 0 88px}
.layout{display:grid;grid-template-columns:minmax(0,1fr) 336px;gap:44px;align-items:start}
.main-col{min-width:0}
.side-col{position:sticky;top:96px;display:flex;flex-direction:column;gap:20px}

.lead{
  font-size:17px;line-height:1.9;color:#243230;
  border-left:4px solid var(--brand);background:#fff;border-radius:0 var(--r-card) var(--r-card) 0;
  padding:22px 26px;margin-bottom:14px;
}
.lead p:last-child{margin-bottom:0}

.block{margin-top:56px}
.block-head{display:flex;align-items:flex-start;gap:14px;margin-bottom:22px}
.block-head .bar{width:4px;height:26px;border-radius:2px;background:var(--brand);margin-top:6px;flex:0 0 4px}
.block-head h2{font-size:clamp(22px,2.6vw,30px);line-height:1.35}
.block-head .en{display:block;font-size:12.5px;color:var(--muted);letter-spacing:1.4px;text-transform:uppercase;margin-top:6px;font-weight:500}
.block-desc{color:var(--muted);font-size:15.5px;margin:-8px 0 24px}

/* 编号清单 */
.num-list{display:flex;flex-direction:column;gap:14px}
.num-item{
  display:flex;gap:18px;background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-card);padding:22px 24px;
  transition:box-shadow .2s ease,transform .2s ease,border-color .2s ease;
}
.num-item:hover{box-shadow:var(--shadow-hover);transform:translateY(-2px);border-color:#D6E2DE}
.num-badge{
  flex:0 0 44px;width:44px;height:44px;border-radius:12px;
  background:var(--soft);border:1px solid #D8E5E1;color:var(--brand);
  display:flex;align-items:center;justify-content:center;
  font-size:15px;font-weight:700;font-variant-numeric:tabular-nums;
}
.num-item h3{font-size:20px;margin-bottom:8px}
.num-item p{color:var(--muted);margin-bottom:10px;font-size:15.5px}
.arrow-link{display:inline-flex;align-items:center;gap:6px;font-size:14.5px;font-weight:600}
.arrow-link i{transition:transform .18s ease}
.arrow-link:hover i{transform:translateX(4px)}

/* 步骤 */
.steps{display:flex;gap:18px;position:relative;padding:8px 0 0}
.steps::before{
  content:"";position:absolute;left:24px;right:24px;top:30px;height:1px;background:var(--line);
}
.step{flex:1;position:relative;z-index:2}
.step-dot{
  width:46px;height:46px;border-radius:50%;background:#fff;border:2px solid var(--brand);
  color:var(--brand);display:flex;align-items:center;justify-content:center;
  font-weight:700;font-size:16px;font-variant-numeric:tabular-nums;margin-bottom:16px;
}
.step:first-child .step-dot{background:var(--brand);color:#fff}
.step h3{font-size:18px;margin-bottom:8px}
.step p{font-size:14.8px;color:var(--muted);margin:0}

/* 对比表 */
.table-wrap{
  overflow-x:auto;background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-card);padding:6px;
}
table.cmp{width:100%;border-collapse:separate;border-spacing:0;font-size:15px;min-width:600px}
table.cmp th,table.cmp td{padding:14px 18px;text-align:left;border-bottom:1px solid var(--line)}
table.cmp thead th{
  background:var(--soft);color:var(--ink);font-weight:600;font-size:14.5px;
  border-bottom:1px solid #D8E5E1;
}
table.cmp thead th:first-child{border-radius:10px 0 0 10px}
table.cmp thead th:last-child{border-radius:0 10px 10px 0}
table.cmp tbody tr:last-child td{border-bottom:none}
table.cmp tbody tr:hover{background:#FAFAF7}
table.cmp td:first-child{color:var(--ink);font-weight:600;white-space:nowrap}
table.cmp td.plus{color:#1F6B63}
table.cmp td.plus i{color:var(--brand);margin-right:6px}

/* 误区 */
.myths{display:flex;flex-direction:column;gap:16px}
.myth{
  background:var(--card);border:1px solid var(--line);border-left:4px solid var(--accent);
  border-radius:0 var(--r-card) var(--r-card) 0;padding:20px 24px;
}
.myth h3{font-size:18px;margin-bottom:8px;display:flex;align-items:center;gap:10px}
.myth h3 i{color:var(--accent);font-size:16px}
.myth p{color:var(--muted);font-size:15.3px;margin:0}
.figure{margin-top:26px}
.figure img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:var(--r-img);border:1px solid var(--line);background:var(--soft)}
.figure figcaption{font-size:13px;color:var(--muted);text-align:center;margin-top:10px}

/* 侧栏 */
.side-card{background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);padding:22px}
.side-card h4{font-size:15px;letter-spacing:.3px;margin-bottom:14px;display:flex;align-items:center;gap:8px}
.side-card h4 i{color:var(--brand)}
.anchor-list li+li{margin-top:2px}
.anchor-list a{
  display:flex;align-items:center;gap:10px;font-size:14.8px;color:var(--muted);
  padding:9px 12px;border-radius:9px;transition:background .18s ease,color .18s ease,transform .18s ease;
}
.anchor-list a::before{content:"";width:6px;height:6px;border-radius:50%;background:#C9D8D4;flex:0 0 6px;transition:background .18s ease}
.anchor-list a:hover,.anchor-list a.active{background:var(--soft);color:var(--brand);transform:translateX(2px)}
.anchor-list a:hover::before,.anchor-list a.active::before{background:var(--brand)}
.side-links li+li{margin-top:10px}
.side-links a{font-size:14.8px;color:var(--text);display:flex;justify-content:space-between;align-items:center;gap:10px}
.side-links a i{color:var(--brand);font-size:12px;transition:transform .18s ease}
.side-links a:hover{color:var(--brand)}
.side-links a:hover i{transform:translateX(3px)}
.side-contact{background:var(--ink);border-color:var(--ink);color:#fff}
.side-contact h4{color:#fff}
.side-contact h4 i{color:#F2C48A}
.side-contact .row-line{display:flex;justify-content:space-between;font-size:14px;padding:8px 0;color:rgba(255,255,255,.78);border-bottom:1px dashed rgba(255,255,255,.16)}
.side-contact .row-line:last-of-type{border-bottom:none;margin-bottom:14px}
.side-contact .row-line b{color:#fff;font-variant-numeric:tabular-nums}
.side-contact .btn-brand{width:100%}

/* CTA 区 */
.cta-band{background:var(--ink);color:#fff;padding:80px 0}
.cta-band .cta-inner{max-width:720px;margin:0 auto;text-align:center}
.cta-band h2{color:#fff;font-size:clamp(24px,3vw,34px);margin-bottom:14px}
.cta-band p{color:rgba(255,255,255,.78);font-size:16.5px;margin-bottom:30px}
.cta-form{display:grid;grid-template-columns:1fr 1fr;gap:14px;text-align:left}
.cta-form .full{grid-column:1 / -1}
.cta-form input,.cta-form textarea{
  width:100%;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.22);
  border-radius:var(--r-btn);color:#fff;padding:12px 15px;font-size:15px;
  transition:border-color .18s ease,background .18s ease;
}
.cta-form input::placeholder,.cta-form textarea::placeholder{color:rgba(255,255,255,.5)}
.cta-form input:focus,.cta-form textarea:focus{
  outline:none;border-color:var(--brand);background:rgba(255,255,255,.1);
}
.cta-form textarea{min-height:96px;resize:vertical}
.form-note{grid-column:1 / -1;font-size:13.5px;color:#F2C48A;min-height:20px;margin:0}
.cta-actions{grid-column:1 / -1;display:flex;flex-wrap:wrap;align-items:center;gap:14px;justify-content:center}
.cta-actions small{color:rgba(255,255,255,.6);font-size:13px}

/* 浮动 CTA */
.float-cta{
  position:fixed;right:24px;bottom:28px;z-index:1040;
  display:inline-flex;align-items:center;gap:9px;
  background:var(--brand);color:#fff;border-radius:999px;padding:13px 22px;
  font-size:15px;font-weight:600;box-shadow:0 10px 26px rgba(16,58,56,.24);
  opacity:0;visibility:hidden;transform:translateY(12px);
  transition:opacity .25s ease,transform .25s ease,visibility .25s ease,background .18s ease;
}
.float-cta.show{opacity:1;visibility:visible;transform:translateY(0)}
.float-cta:hover{background:var(--brand-dark);color:#fff;transform:translateY(-2px)}

/* ============ 页脚 ============ */
.site-footer{background:#0D2F2D;color:rgba(255,255,255,.72);padding:64px 0 0;font-size:14.5px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:0}
.footer-col{padding:0 26px;border-right:1px solid rgba(255,255,255,.1)}
.footer-col:first-child{padding-left:0}
.footer-col:last-child{border-right:none;padding-right:0}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-size:17px;font-weight:700;margin-bottom:14px}
.footer-brand .brand-mark{width:34px;height:34px;flex:0 0 34px;border-radius:10px;background:linear-gradient(150deg,#2E857C 0%,#103A38 100%)}
.footer-brand .brand-mark svg{width:20px;height:20px}
.footer-about{font-size:14px;line-height:1.8;color:rgba(255,255,255,.62);margin:0}
.footer-col h4{color:#fff;font-size:15px;margin-bottom:16px;font-weight:600}
.footer-col ul li+li{margin-top:10px}
.footer-col a{color:rgba(255,255,255,.7);font-size:14.5px;display:inline-block;transition:color .18s ease,transform .18s ease}
.footer-col a:hover{color:#F2C48A;transform:translateX(2px)}
.footer-contact li{color:rgba(255,255,255,.7);font-size:14.5px}
.footer-contact b{color:#fff;font-variant-numeric:tabular-nums}
.footer-bottom{
  margin-top:48px;border-top:1px solid rgba(255,255,255,.1);
  padding:20px 0;display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  font-size:13.5px;color:rgba(255,255,255,.5);
}

/* ============ 响应式 ============ */
@media (max-width:1199.98px){
  .layout{grid-template-columns:minmax(0,1fr) 300px;gap:32px}
  .nav-desktop a{padding:10px 11px;font-size:14.5px}
}
@media (max-width:991.98px){
  .nav-desktop{display:none}
  .nav-toggle{display:inline-flex}
  .header-cta .btn-brand{display:none}
  .layout{grid-template-columns:minmax(0,1fr);gap:40px}
  .side-col{position:static}
  .footer-grid{grid-template-columns:1fr 1fr}
  .footer-col{padding:0 20px 26px}
  .footer-col:nth-child(2n){border-right:none}
  .footer-col:first-child{padding-left:20px}
  .footer-col:last-child{padding-right:20px}
  .steps{flex-wrap:wrap}
  .steps::before{display:none}
  .step{flex:1 1 calc(50% - 9px);min-width:220px}
}
@media (max-width:767.98px){
  body{font-size:16px}
  .container{padding-left:16px;padding-right:16px}
  .page-banner{padding:60px 0 48px}
  .layout-wrap{padding:44px 0 64px}
  .block{margin-top:44px}
  .num-item{padding:18px 18px;gap:14px}
  .num-badge{flex:0 0 38px;width:38px;height:38px;font-size:14px}
  .num-item h3{font-size:18px}
  .lead{padding:18px 18px}
  .cta-band{padding:56px 0}
  .cta-form{grid-template-columns:1fr}
  .steps{flex-direction:column;gap:22px}
  .steps::before{
    display:block;left:23px;top:24px;bottom:24px;right:auto;width:1px;height:auto;
  }
  .step{padding-left:64px}
  .step-dot{position:absolute;left:0;top:0;margin-bottom:0;background:#fff}
  .step:first-child .step-dot{background:var(--brand)}
  .footer-grid{grid-template-columns:1fr}
  .footer-col{padding:0 0 26px;border-right:none;border-bottom:1px solid rgba(255,255,255,.1)}
  .footer-col:last-child{border-bottom:none}
  .float-cta{
    right:0;left:0;bottom:0;border-radius:0;justify-content:center;padding:15px 20px;
    transform:translateY(100%);
  }
  .float-cta.show{transform:translateY(0)}
  body{padding-bottom:56px}
  .footer-bottom{flex-direction:column}
}
@media (max-width:519.98px){
  .banner-chips span{font-size:12px;padding:5px 11px}
  .page-banner h1{font-size:28px}
  .brand-text{font-size:15.5px}
  .brand-text small{display:none}
  .side-card{padding:18px}
}

/* roulang page: category3 */
:root{
  --brand:#2E857C;
  --brand-dark:#103A38;
  --brand-deep:#26706A;
  --accent:#DE8A3C;
  --bg:#F7F5F0;
  --surface:#FFFFFF;
  --surface-soft:#EEF3F1;
  --text:#17201F;
  --text-2:#5E6B68;
  --line:#E4E0D8;
  --radius-card:14px;
  --radius-btn:10px;
  --radius-img:16px;
  --shadow-hover:0 12px 28px rgba(16,58,56,.10);
  --shadow-soft:0 4px 14px rgba(16,58,56,.06);
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16.5px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:color .2s ease,transform .2s ease;}
a:hover{color:var(--brand);}
button,input,textarea,select{font:inherit;color:inherit;}
h1,h2,h3,h4,h5{margin:0;font-weight:600;color:var(--text);}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
.num{font-variant-numeric:tabular-nums;}

/* 顶部信息条 */
.topbar{
  background:var(--brand-dark);
  color:rgba(255,255,255,.86);
  font-size:12.5px;
  min-height:38px;
  display:flex;
  align-items:center;
}
.topbar .container{display:flex;align-items:center;justify-content:space-between;gap:16px;}
.topbar-left{
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
  display:flex;align-items:center;gap:8px;
}
.topbar-dot{
  width:7px;height:7px;border-radius:50%;background:#3FD0B6;flex:0 0 auto;
  box-shadow:0 0 0 3px rgba(63,208,182,.18);
}
.topbar-right a{
  color:var(--accent);font-weight:600;letter-spacing:.02em;white-space:nowrap;
}
.topbar-right a:hover{color:#fff;}

/* 主导航 */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(255,255,255,.96);
  backdrop-filter:saturate(160%) blur(8px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease;
}
.site-header.is-scrolled{box-shadow:0 6px 18px rgba(16,58,56,.08);}
.header-inner{display:flex;align-items:center;gap:24px;min-height:72px;}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:36px;height:36px;border-radius:10px;
  background:linear-gradient(140deg,var(--brand) 0%,var(--brand-dark) 100%);
  display:inline-flex;align-items:center;justify-content:center;flex:0 0 auto;
}
.brand-mark svg{width:22px;height:22px;}
.brand-text{font-size:19px;font-weight:700;line-height:1.2;letter-spacing:.01em;color:var(--brand-dark);display:flex;flex-direction:column;}
.brand-text small{font-size:11.5px;font-weight:400;color:var(--text-2);letter-spacing:.06em;margin-top:2px;}
.nav-desktop{margin-left:auto;}
.nav-desktop ul{display:flex;align-items:center;gap:6px;}
.nav-desktop a{
  display:block;padding:10px 14px;font-size:15px;color:var(--text-2);
  border-radius:8px;position:relative;font-weight:500;
}
.nav-desktop a:hover{color:var(--brand);background:rgba(46,133,124,.06);}
.nav-desktop a.active{color:var(--brand);font-weight:600;}
.nav-desktop a.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:4px;height:2px;
  background:var(--brand);border-radius:2px;
}
.header-cta{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.nav-toggle{
  display:none;border:1px solid var(--line);background:#fff;color:var(--brand-dark);
  border-radius:var(--radius-btn);padding:8px 14px;font-size:14px;font-weight:600;
}
.nav-toggle:hover{border-color:var(--brand);color:var(--brand);}
.mobile-nav{display:none;border-top:1px solid var(--line);background:#fff;}
.mobile-nav ul{padding:8px 24px 0;}
.mobile-nav li a{
  display:flex;align-items:center;height:48px;font-size:15.5px;color:var(--text-2);
  border-bottom:1px solid var(--line);
}
.mobile-nav li a.active{color:var(--brand);font-weight:600;}
.mobile-nav .m-cta{padding:16px 24px 20px;}

/* 按钮 */
.btn-brand{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:var(--brand);color:#fff;border:1px solid var(--brand);
  border-radius:var(--radius-btn);padding:11px 22px;font-size:15px;font-weight:600;
  cursor:pointer;transition:all .2s ease;
}
.btn-brand:hover{background:var(--brand-deep);border-color:var(--brand-deep);color:#fff;transform:translateY(-1px);}
.btn-brand.btn-sm{padding:8px 16px;font-size:14px;}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:transparent;color:var(--brand);border:1px solid var(--brand);
  border-radius:var(--radius-btn);padding:11px 22px;font-size:15px;font-weight:600;
  cursor:pointer;transition:all .2s ease;
}
.btn-ghost:hover{background:rgba(46,133,124,.08);color:var(--brand-deep);}
.btn-ghost.on-dark{color:#fff;border-color:rgba(255,255,255,.6);}
.btn-ghost.on-dark:hover{background:rgba(255,255,255,.12);color:#fff;}
.btn-block{width:100%;}
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible{
  outline:none;box-shadow:0 0 0 3px rgba(46,133,124,.35);border-radius:var(--radius-btn);
}

/* 分类横幅 */
.cat-banner{
  position:relative;overflow:hidden;
  background-image:linear-gradient(120deg,rgba(16,58,56,.9) 0%,rgba(16,58,56,.72) 55%,rgba(46,133,124,.62) 100%),url('/assets/images/backpic/back-3.png');
  background-size:cover;background-position:center;
  color:#fff;padding:72px 0 64px;
}
.cat-banner h1{
  color:#fff;font-size:clamp(30px,4.4vw,48px);line-height:1.22;font-weight:700;
  max-width:820px;
}
.cat-banner .eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.24);
  color:#fff;font-size:12.5px;border-radius:999px;padding:5px 14px;margin-bottom:18px;
  letter-spacing:.04em;
}
.cat-banner p.lead{
  color:rgba(255,255,255,.86);font-size:17px;max-width:680px;margin-top:16px;line-height:1.85;
}
.banner-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px;}
.banner-meta span{
  background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.2);
  border-radius:999px;padding:6px 14px;font-size:13px;color:rgba(255,255,255,.92);
}
.banner-meta span b{color:#fff;font-variant-numeric:tabular-nums;}

/* 面包屑 */
.breadcrumb-bar{background:var(--surface);border-bottom:1px solid var(--line);}
.breadcrumb-list{
  display:flex;align-items:center;flex-wrap:wrap;gap:8px;
  font-size:13.5px;color:var(--text-2);padding:14px 0;
}
.breadcrumb-list a{color:var(--text-2);}
.breadcrumb-list a:hover{color:var(--brand);}
.breadcrumb-list .sep{color:#C6C1B6;}
.breadcrumb-list .current{color:var(--brand-dark);font-weight:600;max-width:340px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}

/* 主体两栏 */
.cat-main{padding:64px 0 96px;}
.cat-layout{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:44px;align-items:start;}
.section-block + .section-block{margin-top:64px;}
.section-head h2{font-size:clamp(24px,3vw,34px);line-height:1.35;font-weight:600;}
.section-head .sub{margin-top:10px;color:var(--text-2);font-size:15.5px;max-width:740px;}
.section-head{margin-bottom:28px;}
.section-head.with-bar{padding-left:16px;border-left:4px solid var(--brand);}
.intro-text p + p{margin-top:14px;}
.intro-text{font-size:16.5px;line-height:1.9;color:var(--text);max-width:800px;}

/* 卡片网格 */
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;}
.qcard{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:22px;display:flex;flex-direction:column;height:100%;
  transition:all .22s ease;
}
.qcard:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:#D6DCD9;}
.qcard .card-media{
  background:var(--surface-soft);border:1px solid var(--line);border-radius:12px;
  overflow:hidden;aspect-ratio:16/10;margin-bottom:16px;
}
.qcard .card-media img{width:100%;height:100%;object-fit:cover;border-radius:12px;}
.qcard .card-idx{
  font-size:12.5px;font-weight:700;color:var(--accent);letter-spacing:.06em;
  font-variant-numeric:tabular-nums;margin-bottom:8px;display:block;
}
.qcard h3{font-size:19px;line-height:1.5;font-weight:600;margin-bottom:10px;}
.qcard p{font-size:14.8px;color:var(--text-2);line-height:1.8;}
.qcard .card-link{
  margin-top:auto;padding-top:14px;font-size:14px;font-weight:600;color:var(--brand);
  display:inline-flex;align-items:center;gap:6px;
}
.qcard .card-link:hover{gap:10px;}
.qcard .card-link::after{content:"→";transition:transform .2s ease;}

/* 上手路径 */
.path-line{
  display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:0;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  overflow:hidden;
}
.path-step{padding:26px 24px;position:relative;}
.path-step + .path-step{border-left:1px solid var(--line);}
.path-step .step-num{
  width:34px;height:34px;border-radius:50%;border:1px solid var(--brand);color:var(--brand);
  display:flex;align-items:center;justify-content:center;font-size:14.5px;font-weight:700;
  margin-bottom:14px;font-variant-numeric:tabular-nums;background:rgba(46,133,124,.06);
}
.path-step h3{font-size:17.5px;margin-bottom:8px;}
.path-step p{font-size:14.6px;color:var(--text-2);}
.path-step .step-time{
  display:inline-block;margin-top:12px;font-size:12.5px;color:var(--brand);
  background:var(--surface-soft);border-radius:999px;padding:3px 12px;
}

/* FAQ */
.faq-list{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);padding:6px 24px;}
.faq-list .accordion-item{border:none;border-bottom:1px solid var(--line);background:transparent;}
.faq-list .accordion-item:last-child{border-bottom:none;}
.faq-list .accordion-button{
  background:transparent;box-shadow:none;border:none;padding:20px 0;font-size:16.5px;font-weight:600;
  color:var(--text);display:flex;align-items:center;justify-content:space-between;gap:16px;width:100%;
}
.faq-list .accordion-button:hover{color:var(--brand);}
.faq-list .accordion-button:not(.collapsed){color:var(--brand);background:transparent;}
.faq-list .accordion-button::after{
  content:"";width:10px;height:10px;border-right:2px solid currentColor;border-bottom:2px solid currentColor;
  transform:rotate(45deg);background-image:none;transition:transform .22s ease;flex:0 0 auto;margin-left:12px;
}
.faq-list .accordion-button:not(.collapsed)::after{transform:rotate(-135deg);}
.faq-list .accordion-body{padding:0 0 20px;font-size:15.5px;line-height:1.85;color:var(--text-2);}
.faq-list .accordion-body p + p{margin-top:10px;}

/* CTA 区块 */
.cta-block{
  background:linear-gradient(140deg,var(--brand-dark) 0%,#155652 60%,#1B6F68 100%);
  border-radius:var(--radius-img);color:#fff;padding:44px 40px;
}
.cta-block h2{color:#fff;font-size:clamp(22px,2.6vw,28px);line-height:1.35;}
.cta-block p{color:rgba(255,255,255,.82);margin-top:12px;font-size:15.5px;max-width:620px;}
.cta-form{display:grid;grid-template-columns:1fr 1fr auto;gap:14px;margin-top:26px;align-items:start;}
.form-field label{
  display:block;font-size:12.5px;color:rgba(255,255,255,.72);margin-bottom:6px;letter-spacing:.03em;
}
.form-control-x{
  width:100%;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.28);
  border-radius:var(--radius-btn);padding:11px 14px;color:#fff;font-size:15px;
  transition:border-color .2s ease,background .2s ease;
}
.form-control-x::placeholder{color:rgba(255,255,255,.5);}
.form-control-x:focus{outline:none;border-color:#fff;background:rgba(255,255,255,.16);}
.form-hint{font-size:12.5px;color:rgba(255,255,255,.62);margin-top:14px;}

/* 右栏 */
.side-col{display:flex;flex-direction:column;gap:22px;position:sticky;top:96px;}
.side-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);padding:22px;
}
.side-card h4{font-size:16px;margin-bottom:14px;padding-left:12px;border-left:3px solid var(--brand);line-height:1.2;}
.side-nav li a{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  font-size:14.6px;color:var(--text-2);padding:9px 0;border-bottom:1px dashed var(--line);
}
.side-nav li:last-child a{border-bottom:none;}
.side-nav li a:hover{color:var(--brand);transform:translateX(2px);}
.side-nav li a span{color:#C6C1B6;font-size:12px;}
.side-links li a{display:block;font-size:14.6px;color:var(--text-2);padding:8px 0;}
.side-links li a:hover{color:var(--brand);transform:translateX(2px);}
.side-contact{background:var(--surface-soft);}
.side-contact dl{margin:0;font-size:14.2px;color:var(--text-2);}
.side-contact dt{font-size:12.5px;color:var(--text-2);opacity:.85;margin-top:12px;}
.side-contact dt:first-child{margin-top:0;}
.side-contact dd{margin:2px 0 0;font-weight:600;color:var(--brand-dark);font-variant-numeric:tabular-nums;}
.side-contact .btn-brand{margin-top:18px;}

/* 页脚 */
.site-footer{background:var(--brand-dark);color:rgba(255,255,255,.78);margin-top:0;padding-top:60px;}
.footer-grid{
  display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:36px;padding-bottom:44px;
}
.footer-col h4{
  color:#fff;font-size:15.5px;margin-bottom:16px;font-weight:600;letter-spacing:.02em;
}
.footer-brand{
  display:flex;align-items:center;gap:10px;color:#fff;font-size:18.5px;font-weight:700;margin-bottom:14px;
}
.footer-brand .brand-mark{width:32px;height:32px;border-radius:9px;background:rgba(255,255,255,.12);}
.footer-brand .brand-mark svg{width:19px;height:19px;}
.footer-about{font-size:14.4px;line-height:1.85;color:rgba(255,255,255,.66);max-width:330px;}
.footer-col ul li a{
  display:inline-block;font-size:14.4px;color:rgba(255,255,255,.72);padding:6px 0;
}
.footer-col ul li a:hover{color:#fff;transform:translateX(2px);}
.footer-contact li{font-size:14.4px;color:rgba(255,255,255,.72);padding:6px 0;}
.footer-contact li b{color:#fff;font-variant-numeric:tabular-nums;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.14);
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  padding:20px 0 26px;font-size:13px;color:rgba(255,255,255,.56);
}

/* 浮动 CTA */
.float-cta{
  position:fixed;right:26px;bottom:26px;z-index:1040;
  display:inline-flex;align-items:center;gap:8px;
  background:var(--brand);color:#fff;border-radius:999px;padding:13px 24px;
  font-size:15px;font-weight:600;box-shadow:0 10px 26px rgba(16,58,56,.24);
  opacity:0;visibility:hidden;transform:translateY(12px);transition:all .3s ease;
}
.float-cta.show{opacity:1;visibility:visible;transform:translateY(0);}
.float-cta:hover{background:var(--brand-deep);color:#fff;}
.mobile-bar-cta{display:none;}

@media (max-width:1199px){
  .cat-layout{grid-template-columns:minmax(0,1fr) 290px;gap:32px;}
}
@media (max-width:991px){
  .nav-desktop{display:none;}
  .nav-toggle{display:inline-flex;}
  .mobile-nav.show{display:block;}
  .mobile-nav{display:none;}
  .cat-layout{grid-template-columns:1fr;}
  .side-col{position:static;}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .path-line{grid-template-columns:1fr;}
  .path-step + .path-step{border-left:none;border-top:1px solid var(--line);}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .cat-main{padding:48px 0 72px;}
  .cat-banner{padding:56px 0 48px;}
}
@media (max-width:767px){
  .container{padding:0 16px;}
  .topbar-right{display:flex;}
  .header-inner{min-height:64px;gap:12px;}
  .brand-text{font-size:17px;}
  .brand-text small{display:none;}
  .cta-form{grid-template-columns:1fr;}
  .cta-block{padding:32px 22px;}
  .cta-block .btn-brand{width:100%;}
  .float-cta{display:none;}
  .mobile-bar-cta{
    display:flex;position:fixed;left:0;right:0;bottom:0;z-index:1050;
    background:var(--brand);color:#fff;align-items:center;justify-content:center;
    height:54px;font-size:16px;font-weight:600;
    box-shadow:0 -6px 18px rgba(16,58,56,.18);
  }
  .mobile-bar-cta:hover{color:#fff;background:var(--brand-deep);}
  body{padding-bottom:54px;}
  .site-footer{padding-bottom:18px;}
  .footer-bottom{padding-bottom:22px;}
}
@media (max-width:520px){
  .card-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;}
  .cat-banner h1{font-size:27px;}
  .qcard{padding:18px;}
}