/* roulang page: index */
:root{
  --c-primary:#0FA98A;
  --c-primary-dark:#0B7F6A;
  --c-primary-light:#17C6A3;
  --c-accent:#FF7A45;
  --c-ink:#123433;
  --c-ink-2:#4A6A66;
  --c-ink-3:#8AA5A0;
  --c-bg:#FFFFFF;
  --c-bg-soft:#F4F8F6;
  --c-line:#E2EDE9;
  --c-tint:#EAF6F2;
  --grad:linear-gradient(135deg,#17C6A3 0%,#0FA98A 52%,#0B7F6A 100%);
  --r-card:22px;
  --r-lg:32px;
  --r-img:16px;
  --r-pill:999px;
  --sh-1:0 6px 20px rgba(11,127,106,.08);
  --sh-2:0 14px 34px rgba(11,127,106,.14);
  --sh-3:0 -8px 24px rgba(18,52,51,.10);
  --bs-primary:#0FA98A;
  --bs-primary-rgb:15,169,138;
  --bs-link-color:#0B7F6A;
  --bs-link-hover-color:#0FA98A;
  --bs-body-font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16.5px;
  line-height:1.85;
  color:var(--c-ink);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
  padding-bottom:70px;
  overflow-x:hidden;
}
h1,h2,h3,h4,h5{margin:0;line-height:1.25;font-weight:800;color:var(--c-ink);letter-spacing:.2px}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
a{color:var(--c-primary-dark);text-decoration:none;transition:color .2s ease,opacity .2s ease}
a:hover{color:var(--c-primary)}
img{max-width:100%;display:block;object-fit:cover}
button{font-family:inherit}
:focus-visible{outline:3px solid rgba(23,198,163,.45);outline-offset:2px;border-radius:8px}
.container{max-width:1180px;padding-left:24px;padding-right:24px}
.section{padding:80px 0}
.section-soft{background:var(--c-bg-soft)}
.section-head{max-width:720px;margin-bottom:44px}
.section-kicker{display:inline-flex;align-items:center;gap:8px;font-size:13.5px;font-weight:700;color:var(--c-primary-dark);background:var(--c-tint);border-radius:var(--r-pill);padding:6px 16px;letter-spacing:.6px}
.section-kicker::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--c-accent)}
.section-title{font-size:clamp(24px,3vw,36px);margin:18px 0 14px}
.section-desc{color:var(--c-ink-2);font-size:16px}
.eyebrow-text{font-size:13.5px;color:var(--c-ink-3);letter-spacing:.4px}
.num{font-variant-numeric:tabular-nums}

/* buttons */
.btn-brand,.btn-outline-brand{display:inline-flex;align-items:center;justify-content:center;gap:10px;border-radius:var(--r-pill);font-weight:700;font-size:16px;padding:14px 32px;transition:transform .2s ease,box-shadow .25s ease,background-color .25s ease,color .25s ease,background-position .45s ease;border:1.5px solid transparent;cursor:pointer}
.btn-brand{background:var(--grad);background-size:160% 160%;background-position:0 0;color:#fff;box-shadow:0 8px 22px rgba(11,127,106,.22)}
.btn-brand:hover{color:#fff;transform:translateY(-2px);box-shadow:var(--sh-2);background-position:100% 50%}
.btn-brand:active{transform:translateY(0)}
.btn-outline-brand{background:transparent;border-color:var(--c-primary);color:var(--c-primary-dark)}
.btn-outline-brand:hover{background:var(--c-tint);color:var(--c-primary-dark);transform:translateY(-2px)}
.btn-outline-brand:active{transform:translateY(0)}
.btn-sm-pill{padding:10px 22px;font-size:15px}
.link-arrow{display:inline-flex;align-items:center;gap:7px;font-weight:700;font-size:15px;color:var(--c-primary-dark);position:relative}
.link-arrow::after{content:"\f061";font-family:"Font Awesome 6 Free";font-weight:900;font-size:12px;transition:transform .25s ease}
.link-arrow:hover{color:var(--c-primary)}
.link-arrow:hover::after{transform:translateX(4px)}

/* header */
.site-header{position:sticky;top:0;z-index:1030;background:rgba(255,255,255,.94);backdrop-filter:blur(12px);border-bottom:1px solid transparent;transition:border-color .25s ease,box-shadow .25s ease}
.site-header.is-scrolled{border-bottom-color:var(--c-line);box-shadow:0 6px 20px rgba(11,127,106,.08)}
.header-inner{display:flex;align-items:center;gap:20px;min-height:76px}
.brand{display:flex;align-items:center;gap:11px;font-weight:800;font-size:19.5px;color:var(--c-ink);white-space:nowrap}
.brand:hover{color:var(--c-primary-dark)}
.brand-mark{width:38px;height:38px;border-radius:12px;background:var(--grad);display:flex;align-items:center;justify-content:center;color:#fff;font-size:17px;box-shadow:0 6px 16px rgba(11,127,106,.26)}
.nav-pill{display:flex;align-items:center;gap:4px;margin-left:auto;background:var(--c-bg-soft);border-radius:var(--r-pill);padding:6px}
.nav-pill a{display:block;padding:9px 17px;border-radius:var(--r-pill);font-size:15.5px;font-weight:600;color:var(--c-ink-2);white-space:nowrap;position:relative}
.nav-pill a:hover{background:var(--c-tint);color:var(--c-primary-dark)}
.nav-pill a.active{background:#fff;color:var(--c-primary-dark);box-shadow:0 4px 12px rgba(11,127,106,.10)}
.nav-pill a.active::after{content:"";position:absolute;left:50%;transform:translateX(-50%);bottom:3px;width:20px;height:3px;border-radius:3px;background:var(--grad)}
.header-actions{display:flex;align-items:center;gap:12px;margin-left:8px}
.icon-btn{width:42px;height:42px;border-radius:50%;border:1px solid var(--c-line);background:#fff;color:var(--c-ink-2);display:flex;align-items:center;justify-content:center;transition:.2s ease}
.icon-btn:hover{background:var(--c-tint);color:var(--c-primary-dark);border-color:var(--c-tint)}
.nav-cta{display:inline-flex;align-items:center;gap:8px;background:var(--grad);color:#fff;border-radius:var(--r-pill);padding:11px 24px;font-weight:700;font-size:15.5px;box-shadow:0 8px 20px rgba(11,127,106,.20);transition:transform .2s ease,box-shadow .25s ease}
.nav-cta:hover{color:#fff;transform:translateY(-2px);box-shadow:var(--sh-2)}
.menu-toggle{display:none;width:44px;height:44px;border-radius:14px;border:1px solid var(--c-line);background:#fff;color:var(--c-ink);font-size:18px;align-items:center;justify-content:center}
.search-layer{position:fixed;inset:0;z-index:1060;background:rgba(18,52,51,.6);display:none;align-items:flex-start;justify-content:center;padding:120px 20px}
.search-layer.open{display:flex}
.search-box{width:100%;max-width:640px;background:#fff;border-radius:24px;padding:26px;box-shadow:var(--sh-2)}
.search-box form{display:flex;gap:12px;margin-top:16px}
.search-box input{flex:1;border:1.5px solid var(--c-line);border-radius:14px;padding:13px 18px;font-size:16px;color:var(--c-ink);outline:none;transition:.2s}
.search-box input:focus{border-color:var(--c-primary);box-shadow:0 0 0 4px rgba(23,198,163,.16)}
.drawer{position:fixed;inset:0;z-index:1070;background:#fff;transform:translateX(100%);transition:transform .32s ease;display:flex;flex-direction:column;padding:22px 22px calc(96px + env(safe-area-inset-bottom))}
.drawer.open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:22px}
.drawer nav{display:flex;flex-direction:column;gap:6px}
.drawer nav a{padding:15px 16px;border-radius:16px;font-size:17px;font-weight:600;color:var(--c-ink);background:var(--c-bg-soft)}
.drawer nav a.active{background:var(--c-tint);color:var(--c-primary-dark)}
.drawer-foot{margin-top:auto;padding-top:22px}

/* hero */
.hero{position:relative;padding:70px 0 84px;background:linear-gradient(180deg,#F7FBFA 0%,#FFFFFF 78%);overflow:hidden}
.hero::after{content:"";position:absolute;right:-160px;top:-120px;width:520px;height:520px;border-radius:50%;background:radial-gradient(circle,rgba(23,198,163,.16),rgba(23,198,163,0) 68%);pointer-events:none}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center;position:relative;z-index:2}
.hero-badge{display:inline-flex;align-items:center;gap:9px;background:#fff;border:1px solid var(--c-line);border-radius:var(--r-pill);padding:7px 16px;font-size:13.5px;font-weight:700;color:var(--c-primary-dark);box-shadow:var(--sh-1)}
.hero-badge i{color:var(--c-accent)}
.hero h1{font-size:clamp(30px,4.4vw,54px);margin:22px 0 18px;letter-spacing:-.4px}
.hero h1 span{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-sub{font-size:17.5px;color:var(--c-ink-2);max-width:560px}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin:28px 0 26px}
.hero-stats{display:flex;flex-wrap:wrap;gap:12px}
.stat-chip{display:flex;align-items:center;gap:10px;background:#fff;border:1px solid var(--c-line);border-radius:var(--r-pill);padding:9px 18px 9px 14px;box-shadow:var(--sh-1)}
.stat-chip b{font-size:20px;color:var(--c-primary-dark);font-variant-numeric:tabular-nums;font-weight:800}
.stat-chip b em{color:var(--c-accent);font-style:normal}
.stat-chip span{font-size:13px;color:var(--c-ink-2)}
.hero-visual{position:relative}
.hero-visual .hero-img{border-radius:24px;overflow:hidden;box-shadow:var(--sh-2);aspect-ratio:16/10;background:var(--c-tint)}
.hero-visual .hero-img img{width:100%;height:100%}
.float-card{position:absolute;right:-16px;bottom:-24px;width:250px;background:#fff;border-radius:20px;padding:18px 20px;box-shadow:0 18px 40px rgba(11,127,106,.18);border:1px solid var(--c-line)}
.float-card h4{font-size:15px;margin-bottom:12px;display:flex;align-items:center;gap:8px}
.float-card h4 i{color:var(--c-primary)}
.float-step{display:flex;align-items:center;gap:10px;font-size:13.5px;color:var(--c-ink-2);padding:5px 0}
.float-step i{width:22px;height:22px;border-radius:50%;background:var(--c-tint);color:var(--c-primary-dark);font-size:11px;display:flex;align-items:center;justify-content:center;font-weight:800;font-style:normal;flex:0 0 22px}

/* cards */
.card-soft{position:relative;overflow:hidden;background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);box-shadow:var(--sh-1);transition:transform .28s ease,box-shadow .28s ease}
.card-soft::before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:var(--grad);opacity:0;transition:opacity .28s ease;z-index:3}
.card-soft:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.card-soft:hover::before{opacity:1}
.card-soft:hover .card-title-link{color:var(--c-primary-dark)}
.card-inner{padding:28px}
.card-title-link{color:var(--c-ink);transition:color .2s ease}
.badge-num{display:inline-flex;align-items:center;justify-content:center;min-width:36px;height:36px;border-radius:12px;background:var(--c-tint);color:var(--c-primary-dark);font-weight:800;font-size:15px;font-variant-numeric:tabular-nums}
.feature-lead .card-inner{padding:0}
.feature-lead .feature-img{aspect-ratio:16/9;overflow:hidden}
.feature-lead .feature-img img{width:100%;height:100%;transition:transform .6s ease}
.feature-lead:hover .feature-img img{transform:scale(1.04)}
.feature-lead .feature-body{padding:30px}
.feature-lead .feature-body h3{font-size:23px;margin:16px 0 12px}
.feature-mini{display:flex;flex-direction:column;height:100%}
.feature-mini .feature-body{padding:26px}
.feature-mini h3{font-size:20px;margin:14px 0 10px}
.feature-mini p{color:var(--c-ink-2);font-size:15px}

/* scenes */
.scene{display:grid;grid-template-columns:1fr 1fr;gap:52px;align-items:center;margin-bottom:72px}
.scene:last-child{margin-bottom:0}
.scene-media{border-radius:24px;overflow:hidden;box-shadow:var(--sh-1);aspect-ratio:16/11;background:var(--c-tint)}
.scene-media img{width:100%;height:100%}
.scene-body h3{font-size:clamp(21px,2.2vw,27px);margin:16px 0 14px}
.scene-body>p{color:var(--c-ink-2);margin-bottom:26px}
.steps-row{display:grid;grid-template-columns:repeat(2,1fr);gap:18px 22px}
.step-item{display:flex;gap:13px}
.step-num{flex:0 0 34px;width:34px;height:34px;border-radius:50%;background:var(--grad);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:14px;font-variant-numeric:tabular-nums}
.step-item:last-child .step-num{background:var(--c-accent)}
.step-item h4{font-size:16px;margin-bottom:3px}
.step-item p{font-size:14px;color:var(--c-ink-2);line-height:1.7}

/* news */
.news-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px;flex-wrap:wrap}
.news-card{display:flex;flex-direction:column;height:100%;background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1);transition:transform .28s ease,box-shadow .28s ease;position:relative}
.news-card::before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:var(--grad);opacity:0;transition:opacity .28s ease;z-index:3}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.news-card:hover::before{opacity:1}
.news-thumb{aspect-ratio:16/10;overflow:hidden;background:var(--c-tint);display:block}
.news-thumb img{width:100%;height:100%;transition:transform .6s ease}
.news-card:hover .news-thumb img{transform:scale(1.05)}
.news-body{padding:22px 22px 16px;flex:1}
.news-body h3{font-size:19px;margin:12px 0 10px;line-height:1.45}
.news-body h3 a{color:var(--c-ink)}
.news-body h3 a:hover{color:var(--c-primary-dark)}
.news-excerpt{color:var(--c-ink-2);font-size:14.5px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;min-height:44px}
.tag{display:inline-flex;align-items:center;gap:6px;background:var(--c-tint);color:var(--c-primary-dark);border-radius:var(--r-pill);padding:4px 13px;font-size:12.5px;font-weight:700}
.news-meta{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:14px 22px;border-top:1px solid var(--c-line);font-size:13px;color:var(--c-ink-3)}
.news-meta .link-arrow{font-size:13.5px}
.empty-state{text-align:center;background:#fff;border:1px dashed var(--c-line);border-radius:var(--r-card);padding:66px 24px;color:var(--c-ink-2)}
.empty-state i{font-size:36px;color:var(--c-ink-3);display:block;margin-bottom:16px}
.empty-state p{margin-bottom:20px}

/* social proof */
.proof-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-bottom:56px}
.proof-item{background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);padding:26px 24px;box-shadow:var(--sh-1);transition:transform .28s ease,box-shadow .28s ease}
.proof-item:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.proof-item b{display:block;font-size:32px;font-weight:800;color:var(--c-primary-dark);font-variant-numeric:tabular-nums;line-height:1.2}
.proof-item b em{font-style:normal;color:var(--c-accent)}
.proof-item span{font-size:13.5px;color:var(--c-ink-2)}
.quote-card{background:#fff;border:1px solid var(--c-line);border-radius:16px;padding:26px;height:100%;transition:transform .28s ease,box-shadow .28s ease}
.quote-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.quote-card i.q{color:var(--c-tint);font-size:26px}
.quote-card p{color:var(--c-ink-2);font-size:15px;margin:14px 0 20px}
.quote-user{display:flex;align-items:center;gap:12px;border-top:1px solid var(--c-line);padding-top:16px}
.avatar-dot{width:38px;height:38px;border-radius:50%;background:var(--c-tint);color:var(--c-primary-dark);display:flex;align-items:center;justify-content:center;font-weight:800;font-size:14px}
.quote-user strong{display:block;font-size:14.5px}
.quote-user small{color:var(--c-ink-3);font-size:12.5px}

/* faq */
.faq-wrap{background:#fff;border:1px solid var(--c-line);border-radius:var(--r-lg);padding:14px 30px;box-shadow:var(--sh-1)}
.accordion-item{border:none;border-bottom:1px solid var(--c-line);background:transparent}
.accordion-item:last-child{border-bottom:none}
.accordion-button{background:transparent;box-shadow:none!important;font-size:17.5px;font-weight:600;color:var(--c-ink);padding:24px 0;border-radius:0!important}
.accordion-button:not(.collapsed){color:var(--c-primary-dark)}
.accordion-button::after{background-image:none;content:"\f067";font-family:"Font Awesome 6 Free";font-weight:900;font-size:13px;width:32px;height:32px;display:flex;align-items:center;justify-content:center;background-color:var(--c-tint);color:var(--c-primary-dark);border-radius:50%;transition:transform .3s ease,background-color .3s ease}
.accordion-button:not(.collapsed)::after{content:"\f068";background-color:var(--c-primary);color:#fff;transform:none}
.accordion-body{padding:0 0 26px;padding-left:18px;border-left:3px solid var(--c-primary);color:var(--c-ink-2);font-size:15.5px}

/* cta */
.cta-card{background:var(--grad);border-radius:var(--r-lg);padding:56px 54px;display:flex;align-items:center;justify-content:space-between;gap:40px;color:#fff;box-shadow:var(--sh-2);position:relative;overflow:hidden}
.cta-card::after{content:"";position:absolute;right:-90px;bottom:-120px;width:340px;height:340px;border-radius:50%;background:rgba(255,255,255,.12)}
.cta-card h2{color:#fff;font-size:clamp(22px,2.6vw,32px);margin-bottom:14px;position:relative;z-index:2}
.cta-card p{color:rgba(255,255,255,.88);max-width:640px;position:relative;z-index:2;font-size:16px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;position:relative;z-index:2}
.btn-light-solid{background:#fff;color:var(--c-primary-dark);border-radius:var(--r-pill);padding:14px 30px;font-weight:700;display:inline-flex;align-items:center;gap:9px;transition:transform .2s ease,box-shadow .25s ease}
.btn-light-solid:hover{color:var(--c-primary-dark);transform:translateY(-2px);box-shadow:0 12px 28px rgba(18,52,51,.20)}
.btn-ghost-light{border:1.5px solid rgba(255,255,255,.7);color:#fff;border-radius:var(--r-pill);padding:14px 30px;font-weight:700;display:inline-flex;align-items:center;gap:9px;transition:background-color .25s ease,transform .2s ease}
.btn-ghost-light:hover{background:rgba(255,255,255,.16);color:#fff;transform:translateY(-2px)}

/* footer */
.site-footer{background:#0E2E2B;color:#C7DAD6;padding:68px 0 0;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:44px;padding-bottom:48px}
.site-footer h4{color:#fff;font-size:14px;letter-spacing:.8px;margin-bottom:20px;font-weight:700;opacity:.92}
.footer-brand{display:flex;align-items:center;gap:11px;margin-bottom:18px;color:#fff;font-weight:800;font-size:19px}
.footer-brand .brand-mark{box-shadow:none}
.site-footer p{font-size:14px;color:#9DB9B4;line-height:1.9}
.footer-links li{margin-bottom:11px}
.footer-links a{color:#C7DAD6;font-size:14.5px;position:relative}
.footer-links a:hover{color:#3ED9B8}
.footer-contact li{display:flex;gap:11px;font-size:14.5px;color:#C7DAD6;margin-bottom:14px;align-items:flex-start}
.footer-contact i{color:#3ED9B8;margin-top:6px}
.footer-bottom{border-top:1px solid rgba(255,255,255,.10);padding:22px 0;text-align:center;font-size:13px;color:#8FAEA9}
.footer-bottom span{color:#6F918D}

/* bottom bar */
.bottom-bar{position:fixed;left:0;right:0;bottom:0;z-index:1040;background:#fff;box-shadow:var(--sh-3);padding:10px 0 calc(10px + env(safe-area-inset-bottom))}
.bottom-bar-inner{display:flex;align-items:center;justify-content:space-between;gap:18px}
.bottom-bar-text{font-size:14.5px;color:var(--c-ink-2);display:flex;align-items:center;gap:10px}
.bottom-bar-text i{color:var(--c-accent)}
.bottom-bar-actions{display:flex;gap:12px;flex-shrink:0}

/* responsive */
@media (max-width:1199px){
  .header-inner{gap:14px}
  .nav-pill a{padding:9px 13px;font-size:15px}
  .nav-cta{padding:10px 18px;font-size:15px}
}
@media (max-width:991px){
  body{font-size:16px;padding-bottom:84px}
  .section{padding:58px 0}
  .nav-pill,.header-actions .nav-cta{display:none}
  .menu-toggle{display:flex}
  .hero{padding:44px 0 60px}
  .hero-grid{grid-template-columns:1fr;gap:44px}
  .float-card{position:static;width:100%;margin-top:20px;right:auto;bottom:auto}
  .scene{grid-template-columns:1fr;gap:32px;margin-bottom:56px}
  .scene.media-right .scene-media{order:-1}
  .proof-strip{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px}
  .cta-card{flex-direction:column;align-items:flex-start;padding:40px 32px}
  .bottom-bar-actions{width:auto}
}
@media (max-width:767px){
  .container{padding-left:18px;padding-right:18px}
  .section{padding:48px 0}
  .hero h1{font-size:clamp(27px,7.4vw,36px)}
  .hero-cta{gap:12px}
  .hero-cta .btn-brand,.hero-cta .btn-outline-brand{width:100%}
  .steps-row{grid-template-columns:1fr}
  .faq-wrap{padding:8px 20px}
  .accordion-button{font-size:16.5px;padding:20px 0}
  .footer-grid{grid-template-columns:1fr;gap:30px;padding-bottom:36px}
  .bottom-bar-text{display:none}
  .bottom-bar-actions{width:100%;gap:10px}
  .bottom-bar-actions .btn-brand{flex:1 1 60%}
  .bottom-bar-actions .btn-outline-brand{flex:0 1 40%}
  .pf-cta-actions{width:100%}
}
@media (max-width:520px){
  .proof-strip{grid-template-columns:1fr}
  .card-inner{padding:22px}
  .cta-card{padding:34px 24px;border-radius:24px}
  .brand{font-size:17.5px}
  .bottom-bar-actions .btn-sm-pill{padding:9px 14px;font-size:14px}
}

/* roulang page: category1 */
:root{
  --brand:#0FA98A;
  --brand-dark:#0B7F6A;
  --brand-soft:#EAF6F2;
  --brand-grad:linear-gradient(135deg,#17C6A3 0%,#0FA98A 52%,#0B7F6A 100%);
  --accent:#FF7A45;
  --ink:#123433;
  --ink-2:#4A6A66;
  --ink-3:#8AA5A0;
  --bg:#FFFFFF;
  --bg-soft:#F4F8F6;
  --line:#E2EDE9;
  --radius-card:22px;
  --radius-lg:30px;
  --radius-img:16px;
  --shadow-1:0 6px 20px rgba(11,127,106,.08);
  --shadow-2:0 14px 34px rgba(11,127,106,.14);
  --shadow-bar:0 -8px 24px rgba(18,52,51,.10);
  --bs-primary:#0FA98A;
  --bs-primary-rgb:15,169,138;
  --bs-link-color:#0B7F6A;
  --bs-link-hover-color:#0FA98A;
  --bs-body-color:#123433;
  --bs-font-sans-serif:"PingFang SC","Microsoft YaHei","Hiragino Sans GB",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
}

*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;scroll-padding-top:104px;}
body{
  margin:0;
  font-family:var(--bs-font-sans-serif);
  font-size:16px;
  line-height:1.85;
  color:var(--ink);
  background:var(--bg);
  padding-bottom:88px;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--brand-dark);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--brand);}
h1,h2,h3,h4,h5{color:var(--ink);font-weight:800;line-height:1.28;margin:0 0 .6rem;letter-spacing:-.01em;}
h1{font-size:clamp(30px,4.4vw,50px);}
h2{font-size:clamp(24px,3vw,34px);}
h3{font-size:21px;font-weight:700;}
h4{font-size:17px;font-weight:700;}
p{margin:0 0 1rem;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:3px solid rgba(23,198,163,.55);outline-offset:2px;border-radius:8px;}

.container{width:100%;max-width:1180px;margin:0 auto;padding-left:24px;padding-right:24px;}

/* ============ HEADER ============ */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:#fff;
  transition:box-shadow .25s ease,border-color .25s ease;
  border-bottom:1px solid transparent;
}
.site-header.scrolled{border-bottom:1px solid var(--line);box-shadow:0 6px 20px rgba(11,127,106,.07);}
.header-inner{display:flex;align-items:center;gap:24px;min-height:76px;}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:38px;height:38px;border-radius:12px;
  background:var(--brand-grad);
  color:#fff;display:flex;align-items:center;justify-content:center;
  font-size:16px;box-shadow:0 8px 18px rgba(15,169,138,.28);
}
.brand-text{font-size:19px;font-weight:800;color:var(--ink);letter-spacing:-.02em;}
.nav-pill{
  display:flex;align-items:center;gap:4px;
  margin:0 auto;
  background:var(--bg-soft);
  border:1px solid var(--line);
  border-radius:999px;
  padding:6px;
}
.nav-pill a{
  display:inline-block;
  padding:8px 16px;border-radius:999px;
  font-size:15px;font-weight:600;color:var(--ink-2);
  position:relative;white-space:nowrap;
}
.nav-pill a:hover{background:#EAF6F2;color:var(--brand-dark);}
.nav-pill a.active{color:var(--brand-dark);background:#fff;box-shadow:0 4px 12px rgba(11,127,106,.10);}
.nav-pill a.active::after{
  content:"";position:absolute;left:50%;transform:translateX(-50%);
  bottom:2px;width:20px;height:3px;border-radius:3px;background:var(--brand);
}
.header-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.icon-btn{
  width:40px;height:40px;border-radius:999px;border:1px solid var(--line);
  background:#fff;color:var(--ink-2);display:inline-flex;align-items:center;justify-content:center;
  transition:all .2s ease;cursor:pointer;
}
.icon-btn:hover{background:var(--brand-soft);color:var(--brand-dark);border-color:#CFE8E1;}
.menu-toggle{display:none;}
.btn-pill{padding:.62rem 1.35rem;font-size:15px;font-weight:600;border-radius:999px;}
.header-cta{white-space:nowrap;}

/* 搜索条 */
.search-bar{
  display:none;
  border-top:1px solid var(--line);
  background:#fff;
  box-shadow:0 12px 26px rgba(11,127,106,.08);
}
.search-bar.open{display:block;}
.search-inner{display:flex;gap:12px;align-items:center;padding:16px 24px;max-width:1180px;margin:0 auto;}
.search-inner input{
  flex:1;height:48px;border-radius:14px;border:1px solid var(--line);
  background:var(--bg-soft);padding:0 18px;font-size:15px;color:var(--ink);
}
.search-inner input:focus{outline:none;border-color:var(--brand);background:#fff;box-shadow:0 0 0 4px rgba(15,169,138,.12);}

/* 移动抽屉 */
.mobile-drawer{
  position:fixed;inset:0;z-index:1050;background:#fff;
  transform:translateX(100%);transition:transform .3s ease;
  display:flex;flex-direction:column;padding:22px 24px 32px;
}
.mobile-drawer.open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:26px;}
.drawer-nav{display:flex;flex-direction:column;gap:6px;}
.drawer-nav a{
  padding:15px 16px;border-radius:16px;font-size:17px;font-weight:600;color:var(--ink-2);
  background:var(--bg-soft);border:1px solid transparent;
}
.drawer-nav a.active{background:var(--brand-soft);color:var(--brand-dark);border-color:#CFE8E1;}
.drawer-foot{margin-top:auto;padding-top:24px;}

/* ============ 按钮 ============ */
.btn{border-radius:999px;font-weight:600;padding:.7rem 1.6rem;transition:all .25s ease;border-width:1px;}
.btn-primary{background:var(--brand);border-color:var(--brand);color:#fff;box-shadow:0 8px 18px rgba(15,169,138,.24);}
.btn-primary:hover,.btn-primary:focus{background:var(--brand-dark);border-color:var(--brand-dark);color:#fff;transform:translateY(-2px);box-shadow:0 14px 28px rgba(11,127,106,.28);}
.btn-primary:active{transform:translateY(0);background:var(--brand-dark);border-color:var(--brand-dark);}
.btn-outline-pill{background:transparent;border:1px solid var(--brand);color:var(--brand-dark);}
.btn-outline-pill:hover{background:var(--brand-soft);color:var(--brand-dark);transform:translateY(-2px);}
.text-link{font-weight:600;color:var(--brand-dark);display:inline-flex;align-items:center;gap:6px;position:relative;}
.text-link::after{content:"";position:absolute;left:0;bottom:-3px;height:2px;width:0;background:var(--brand);transition:width .28s ease;}
.text-link:hover::after{width:100%;}

/* ============ HERO ============ */
.cat-hero{position:relative;overflow:hidden;min-height:46vh;display:flex;align-items:center;padding:78px 0 66px;}
.cat-hero-bg{
  position:absolute;inset:0;
  background-image:linear-gradient(110deg,rgba(18,52,51,.86) 0%,rgba(11,127,106,.72) 55%,rgba(18,52,51,.66) 100%),url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center;
}
.cat-hero-inner{position:relative;z-index:2;color:#fff;}
.crumbs{display:flex;align-items:center;gap:8px;font-size:14px;color:rgba(255,255,255,.78);margin-bottom:18px;flex-wrap:wrap;}
.crumbs a{color:rgba(255,255,255,.85);}
.crumbs a:hover{color:#fff;text-decoration:underline;}
.hero-tag{
  display:inline-block;padding:6px 16px;border-radius:999px;font-size:13px;font-weight:600;
  background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.28);color:#E9FBF7;margin-bottom:18px;
}
.cat-hero h1{color:#fff;max-width:19em;margin-bottom:16px;}
.cat-hero p{max-width:36em;color:rgba(255,255,255,.88);font-size:17px;margin-bottom:26px;}
.hero-badges{display:flex;flex-wrap:wrap;gap:14px;}
.hero-badge{
  display:flex;align-items:center;gap:10px;
  padding:10px 18px;border-radius:999px;
  background:rgba(255,255,255,.13);border:1px solid rgba(255,255,255,.22);
  color:#fff;font-size:14px;
}
.hero-badge b{font-size:19px;font-variant-numeric:tabular-nums;color:#8CF0DA;font-weight:800;}
.hero-badge span{color:rgba(255,255,255,.85);}

/* ============ 主体布局 ============ */
.section{padding:80px 0;}
.section-soft{background:var(--bg-soft);}
.section-head{max-width:720px;margin-bottom:44px;}
.section-head .eyebrow{
  display:inline-block;font-size:13px;font-weight:700;letter-spacing:.08em;
  color:var(--brand-dark);background:var(--brand-soft);
  padding:5px 14px;border-radius:999px;margin-bottom:14px;
}
.section-head p{color:var(--ink-2);font-size:16.5px;margin:0;}

.cat-layout{display:grid;grid-template-columns:216px 1fr;gap:56px;align-items:start;}
.anchor-nav{position:sticky;top:110px;}
.anchor-title{font-size:13px;font-weight:700;letter-spacing:.08em;color:var(--ink-3);margin-bottom:14px;text-transform:uppercase;}
.anchor-nav a{
  display:block;padding:10px 16px;border-radius:12px;font-size:15px;font-weight:600;
  color:var(--ink-2);border-left:3px solid transparent;margin-bottom:4px;
}
.anchor-nav a:hover{background:var(--bg-soft);color:var(--brand-dark);}
.anchor-nav a.active{background:var(--brand-soft);color:var(--brand-dark);border-left-color:var(--brand);}

.lead-box{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:32px 34px;box-shadow:var(--shadow-1);margin-bottom:56px;
}
.lead-box p{margin-bottom:12px;color:var(--ink-2);}
.lead-box p:last-child{margin-bottom:0;}
.lead-box strong{color:var(--ink);}

/* 步骤卡 */
.step-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px;margin-bottom:64px;}
.step-card{
  position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
  padding:30px 26px 26px;box-shadow:var(--shadow-1);transition:transform .28s ease,box-shadow .28s ease,border-color .28s ease;
  overflow:hidden;
}
.step-card::before{
  content:"";position:absolute;top:0;left:0;right:0;height:3px;background:var(--brand-grad);
  opacity:0;transition:opacity .28s ease;
}
.step-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:#CFE8E1;}
.step-card:hover::before{opacity:1;}
.step-no{
  width:44px;height:44px;border-radius:14px;background:var(--brand-grad);color:#fff;
  display:flex;align-items:center;justify-content:center;font-weight:800;font-size:18px;
  font-variant-numeric:tabular-nums;margin-bottom:16px;box-shadow:0 8px 18px rgba(15,169,138,.22);
}
.step-card h3{margin-bottom:10px;}
.step-card p{color:var(--ink-2);font-size:15.5px;margin-bottom:14px;}
.step-card .mini{display:flex;flex-wrap:wrap;gap:8px;}
.tag{
  display:inline-block;font-size:12.5px;font-weight:600;color:var(--brand-dark);
  background:var(--brand-soft);border-radius:999px;padding:4px 12px;
}

/* 要点图卡 */
.point-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.point-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden;
  box-shadow:var(--shadow-1);transition:transform .28s ease,box-shadow .28s ease;
  display:flex;flex-direction:column;
}
.point-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);}
.point-card .thumb{position:relative;aspect-ratio:16/10;overflow:hidden;}
.point-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease;}
.point-card:hover .thumb img{transform:scale(1.05);}
.point-card .thumb::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(18,52,51,0) 40%,rgba(18,52,51,.35) 100%);}
.point-body{padding:22px 22px 24px;display:flex;flex-direction:column;flex:1;}
.point-body h3{font-size:18px;margin-bottom:8px;}
.point-body p{color:var(--ink-2);font-size:15px;margin-bottom:14px;flex:1;}
.point-body .text-link{font-size:14.5px;}

/* 图文对照块 */
.split-block{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:center;margin-top:56px;}
.split-block.reverse .split-media{order:2;}
.split-media img{border-radius:24px;box-shadow:var(--shadow-2);aspect-ratio:16/11;object-fit:cover;width:100%;}
.split-text h3{font-size:24px;margin-bottom:12px;}
.split-text p{color:var(--ink-2);}
.check-list li{
  display:flex;gap:12px;align-items:flex-start;padding:9px 0;color:var(--ink-2);font-size:15.5px;
}
.check-list i{color:var(--brand);margin-top:6px;font-size:14px;}

/* 数据条 */
.stat-strip{
  display:grid;grid-template-columns:repeat(4,1fr);gap:20px;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:30px 26px;box-shadow:var(--shadow-1);margin-top:56px;
}
.stat-item{text-align:center;padding:6px 10px;border-right:1px solid var(--line);}
.stat-item:last-child{border-right:none;}
.stat-item b{display:block;font-size:30px;font-weight:800;color:var(--brand-dark);font-variant-numeric:tabular-nums;line-height:1.2;}
.stat-item span{font-size:13.5px;color:var(--ink-3);}

/* FAQ */
.faq-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:14px 22px;box-shadow:var(--shadow-1);
}
.accordion-item{border:none;border-bottom:1px solid var(--line);background:transparent;}
.accordion-item:last-child{border-bottom:none;}
.accordion-button{
  background:transparent;color:var(--ink);font-weight:600;font-size:17px;
  padding:20px 6px;border-radius:0;box-shadow:none;border-left:3px solid transparent;
}
.accordion-button:not(.collapsed){color:var(--brand-dark);background:transparent;box-shadow:none;border-left-color:var(--brand);padding-left:14px;}
.accordion-button:focus{box-shadow:none;border-color:var(--line);}
.accordion-button::after{
  background-image:none;
  content:"\f078";font-family:"Font Awesome 6 Free";font-weight:900;font-size:13px;
  color:var(--ink-3);width:auto;height:auto;transition:transform .25s ease;
}
.accordion-button:not(.collapsed)::after{transform:rotate(180deg);color:var(--brand);}
.accordion-body{padding:2px 6px 22px 6px;color:var(--ink-2);font-size:15.5px;}

/* 底部 CTA */
.cta-card{
  position:relative;overflow:hidden;
  background:var(--brand-grad);
  border-radius:32px;padding:52px 48px;
  display:flex;align-items:center;justify-content:space-between;gap:32px;
  box-shadow:0 20px 44px rgba(11,127,106,.24);
}
.cta-card::after{
  content:"";position:absolute;right:-70px;top:-70px;width:260px;height:260px;border-radius:50%;
  background:rgba(255,255,255,.12);
}
.cta-card h2{color:#fff;margin-bottom:10px;position:relative;z-index:2;}
.cta-card p{color:rgba(255,255,255,.9);margin:0;max-width:34em;position:relative;z-index:2;}
.cta-card .btn{position:relative;z-index:2;flex:0 0 auto;background:#fff;color:var(--brand-dark);border-color:#fff;box-shadow:0 10px 24px rgba(0,0,0,.14);}
.cta-card .btn:hover{background:#F4F8F6;color:var(--brand-dark);transform:translateY(-2px);}

/* ============ FOOTER ============ */
.site-footer{background:#0E2B27;color:rgba(255,255,255,.72);padding:66px 0 26px;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:18px;font-weight:800;color:#fff;margin-bottom:16px;}
.footer-brand .brand-mark{width:34px;height:34px;border-radius:10px;font-size:14px;}
.site-footer p{font-size:14.5px;color:rgba(255,255,255,.62);line-height:1.9;margin:0;}
.site-footer h4{font-size:14px;color:rgba(255,255,255,.5);font-weight:600;letter-spacing:.06em;margin-bottom:16px;}
.footer-links li{margin-bottom:10px;}
.footer-links a{color:rgba(255,255,255,.74);font-size:14.5px;}
.footer-links a:hover{color:#8CF0DA;}
.footer-contact li{display:flex;gap:10px;align-items:flex-start;margin-bottom:12px;font-size:14.5px;color:rgba(255,255,255,.7);}
.footer-contact i{color:#4FD9BC;margin-top:5px;}
.footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid rgba(255,255,255,.12);
  text-align:center;font-size:13px;color:rgba(255,255,255,.5);
}

/* ============ 底部固定条 ============ */
.sticky-cta{
  position:fixed;left:0;right:0;bottom:0;z-index:1040;
  background:#fff;box-shadow:var(--shadow-bar);border-top:1px solid var(--line);
  padding:12px 0;padding-bottom:calc(12px + env(safe-area-inset-bottom));
}
.sticky-inner{display:flex;align-items:center;justify-content:space-between;gap:18px;}
.sticky-text{font-size:14.5px;color:var(--ink-2);margin:0;}
.sticky-btns{display:flex;gap:10px;}
body.drawer-open .sticky-cta{display:none;}

/* ============ 响应式 ============ */
@media (max-width:1199.98px){
  .point-grid{grid-template-columns:repeat(2,1fr);}
  .nav-pill a{padding:8px 12px;font-size:14px;}
}
@media (max-width:991.98px){
  .nav-pill,.header-cta{display:none;}
  .menu-toggle{display:inline-flex;}
  .header-inner{min-height:68px;gap:14px;}
  .brand{margin-right:auto;}
  .cat-layout{grid-template-columns:1fr;gap:32px;}
  .anchor-nav{position:static;display:flex;gap:8px;overflow-x:auto;padding-bottom:8px;scrollbar-width:none;}
  .anchor-nav::-webkit-scrollbar{display:none;}
  .anchor-title{display:none;}
  .anchor-nav a{
    flex:0 0 auto;border-left:none;border:1px solid var(--line);background:#fff;
    padding:8px 16px;border-radius:999px;font-size:14px;margin-bottom:0;
  }
  .anchor-nav a.active{border-color:#CFE8E1;}
  .section{padding:60px 0;}
  .cat-hero{padding:62px 0 54px;}
  .point-grid{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .cta-card{flex-direction:column;align-items:flex-start;padding:40px 32px;}
  .split-block{grid-template-columns:1fr;gap:26px;}
  .split-block.reverse .split-media{order:0;}
  .stat-strip{grid-template-columns:repeat(2,1fr);gap:14px;}
  .stat-item:nth-child(2){border-right:none;}
  .stat-item{border-right:1px solid var(--line);}
  .stat-item:nth-child(odd){border-right:1px solid var(--line);}
  .stat-item:nth-child(even){border-right:none;}
}
@media (max-width:767.98px){
  body{font-size:15.5px;padding-bottom:96px;}
  .container{padding-left:18px;padding-right:18px;}
  .step-grid{grid-template-columns:1fr;}
  .point-grid{grid-template-columns:1fr;}
  .lead-box{padding:24px 20px;border-radius:24px;}
  .cat-hero h1{font-size:clamp(26px,7vw,34px);}
  .cat-hero p{font-size:15.5px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .cta-card{padding:32px 24px;border-radius:26px;}
  .sticky-inner{flex-direction:column;align-items:stretch;gap:10px;}
  .sticky-text{font-size:13.5px;text-align:center;}
  .sticky-btns{display:grid;grid-template-columns:1fr 1.4fr;gap:10px;}
  .sticky-btns .btn{padding:.6rem 1rem;font-size:14.5px;}
  .section-head{margin-bottom:30px;}
  .accordion-button{font-size:15.5px;padding:16px 4px;}
}
@media (max-width:519.98px){
  .stat-strip{grid-template-columns:1fr;}
  .stat-item{border-right:none;border-bottom:1px solid var(--line);padding-bottom:14px;}
  .stat-item:last-child{border-bottom:none;}
  .hero-badges{gap:10px;}
  .hero-badge{padding:8px 14px;font-size:13px;}
}

/* roulang page: article */
:root{
  --brand:#0FA98A;
  --brand-deep:#0B7F6A;
  --brand-soft:#EAF6F2;
  --accent:#FF7A45;
  --ink:#123433;
  --ink-2:#4A6A66;
  --ink-3:#8AA5A0;
  --bg:#FFFFFF;
  --bg-soft:#F4F8F6;
  --line:#E2EDE9;
  --grad:linear-gradient(135deg,#17C6A3 0%,#0FA98A 50%,#0B7F6A 100%);
  --r-card:22px;
  --r-lg:28px;
  --r-img:16px;
  --sh-1:0 6px 20px rgba(11,127,106,.08);
  --sh-2:0 14px 34px rgba(11,127,106,.14);
  --sh-bar:0 -8px 24px rgba(18,52,51,.10);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  padding-bottom:66px;
  font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,h5,p,figure,blockquote{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
img{max-width:100%;height:auto;display:block}
a{color:var(--brand-deep);text-decoration:none;transition:color .2s ease,background-color .2s ease}
a:hover{color:var(--brand)}
button,input{font-family:inherit;font-size:inherit}
button{background:none;border:0;cursor:pointer;color:inherit}
:focus-visible{outline:3px solid rgba(23,198,163,.45);outline-offset:2px;border-radius:8px}
.container{width:100%;max-width:1180px;margin:0 auto;padding-left:24px;padding-right:24px}
.num{font-variant-numeric:tabular-nums}

/* ============ 按钮 ============ */
.btn-pill{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 26px;border-radius:999px;font-size:15px;font-weight:700;
  background:var(--grad);color:#fff;border:0;
  box-shadow:0 10px 24px rgba(15,169,138,.28);
  transition:transform .2s ease,box-shadow .2s ease,filter .2s ease;
}
.btn-pill:hover{color:#fff;transform:translateY(-2px);box-shadow:0 16px 32px rgba(15,169,138,.34);filter:brightness(1.03)}
.btn-pill:active{transform:translateY(0)}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:11px 24px;border-radius:999px;font-size:15px;font-weight:600;
  background:transparent;color:var(--brand-deep);border:1.5px solid var(--line);
  transition:all .2s ease;
}
.btn-ghost:hover{background:var(--brand-soft);border-color:#BFE6DB;color:var(--brand-deep);transform:translateY(-2px)}
.btn-sm{padding:9px 20px;font-size:14px}
.btn-block{width:100%}

/* ============ 顶部导航 ============ */
.site-header{position:sticky;top:0;z-index:1030;background:#fff;border-bottom:1px solid transparent;transition:box-shadow .25s ease,border-color .25s ease}
.site-header.scrolled{border-bottom-color:var(--line);box-shadow:var(--sh-1)}
.header-inner{display:flex;align-items:center;gap:20px;height:76px}
.brand{display:flex;align-items:center;gap:11px;font-size:19px;font-weight:800;letter-spacing:-.01em;color:var(--ink);flex-shrink:0}
.brand:hover{color:var(--brand-deep)}
.brand-mark{
  width:36px;height:36px;border-radius:12px;background:var(--grad);color:#fff;
  display:grid;place-items:center;font-size:15px;
  box-shadow:0 8px 18px rgba(15,169,138,.32);
}
.nav-pill{display:flex;align-items:center;gap:2px;margin-left:auto}
.nav-pill a{
  position:relative;padding:9px 16px;border-radius:999px;
  font-size:15px;font-weight:500;color:var(--ink-2);white-space:nowrap;
}
.nav-pill a:hover{background:var(--brand-soft);color:var(--brand-deep)}
.nav-pill a.active{color:var(--brand-deep);font-weight:700}
.nav-pill a.active::after{
  content:"";position:absolute;left:50%;bottom:3px;transform:translateX(-50%);
  width:20px;height:3px;border-radius:3px;background:var(--grad);
}
.header-actions{display:flex;align-items:center;gap:10px;flex-shrink:0}
.icon-btn{
  width:40px;height:40px;border-radius:50%;display:grid;place-items:center;
  color:var(--ink-2);border:1px solid var(--line);background:#fff;
  transition:all .2s ease;
}
.icon-btn:hover{color:var(--brand-deep);background:var(--brand-soft);border-color:#BFE6DB}
.nav-toggle{display:none;width:42px;height:42px;border-radius:12px;place-items:center;border:1px solid var(--line);color:var(--ink-2);background:#fff}
.nav-toggle:hover{background:var(--brand-soft);color:var(--brand-deep)}

/* 移动抽屉 */
.drawer-mask{position:fixed;inset:0;background:rgba(18,52,51,.55);opacity:0;visibility:hidden;transition:.25s;z-index:1050}
.drawer-mask.open{opacity:1;visibility:visible}
.mobile-drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(320px,84vw);background:#fff;z-index:1060;
  transform:translateX(105%);transition:transform .3s cubic-bezier(.4,0,.2,1);
  display:flex;flex-direction:column;padding:22px 20px calc(22px + env(safe-area-inset-bottom));
  box-shadow:-16px 0 40px rgba(18,52,51,.16);
}
.mobile-drawer.open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:22px}
.drawer-links{display:flex;flex-direction:column;gap:4px}
.drawer-links a{padding:12px 14px;border-radius:14px;font-size:16px;font-weight:600;color:var(--ink-2)}
.drawer-links a:hover,.drawer-links a.active{background:var(--brand-soft);color:var(--brand-deep)}
.drawer-foot{margin-top:auto;padding-top:20px;border-top:1px solid var(--line)}

/* 搜索覆盖层 */
.search-overlay{position:fixed;inset:0;background:rgba(18,52,51,.6);z-index:1070;display:none;align-items:flex-start;justify-content:center;padding:110px 20px}
.search-overlay.open{display:flex}
.search-panel{width:100%;max-width:640px;background:#fff;border-radius:var(--r-card);padding:20px;box-shadow:0 26px 60px rgba(18,52,51,.28)}
.search-panel form{display:flex;gap:10px}
.search-panel input{
  flex:1;padding:14px 18px;border-radius:14px;border:1.5px solid var(--line);
  background:var(--bg-soft);color:var(--ink);outline:none;transition:.2s;
}
.search-panel input:focus{border-color:var(--brand);background:#fff;box-shadow:0 0 0 4px rgba(23,198,163,.16)}
.search-hint{margin-top:14px;font-size:13px;color:var(--ink-3)}

/* ============ 面包屑 ============ */
.breadcrumb-bar{background:var(--bg-soft);border-bottom:1px solid var(--line);padding:16px 0}
.breadcrumb-list{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:14px;color:var(--ink-3)}
.breadcrumb-list a{color:var(--ink-2)}
.breadcrumb-list a:hover{color:var(--brand-deep)}
.breadcrumb-list .sep{color:#C3D8D3;font-size:11px}
.breadcrumb-list .now{color:var(--ink);font-weight:600}

/* ============ 文章布局 ============ */
.article-section{padding:44px 0 72px;background:#fff}
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 306px;gap:44px;align-items:start}
.article-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:38px 40px 34px;box-shadow:var(--sh-1);
}
.pill{
  display:inline-flex;align-items:center;gap:6px;padding:5px 14px;border-radius:999px;
  background:var(--brand-soft);color:var(--brand-deep);font-size:13px;font-weight:600;
}
.article-title{font-size:clamp(24px,3.1vw,36px);line-height:1.32;font-weight:800;letter-spacing:-.01em;margin-top:16px}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:18px;margin-top:18px;padding-bottom:22px;border-bottom:1px solid var(--line);font-size:13.5px;color:var(--ink-3)}
.article-meta .meta-item{display:inline-flex;align-items:center;gap:7px}
.article-meta i{color:var(--brand);font-size:14px}

/* 正文排版 */
.article-body{margin-top:26px;max-width:760px}
.article-body p{font-size:17px;line-height:1.9;color:#2C4A47;margin-bottom:18px}
.article-body h2{
  position:relative;font-size:clamp(20px,2.2vw,26px);font-weight:800;line-height:1.4;
  margin:38px 0 16px;padding-left:16px;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:5px;bottom:5px;width:4px;border-radius:4px;background:var(--grad);
}
.article-body h3{font-size:19px;font-weight:700;margin:28px 0 12px}
.article-body h4{font-size:17px;font-weight:700;margin:22px 0 10px}
.article-body ul,.article-body ol{margin:0 0 20px;padding-left:2px}
.article-body ul li,.article-body ol li{position:relative;padding-left:24px;margin-bottom:10px;font-size:16.5px;line-height:1.85;color:#2C4A47}
.article-body ul li::before{
  content:"";position:absolute;left:4px;top:11px;width:8px;height:8px;border-radius:50%;
  background:var(--grad);
}
.article-body ol{counter-reset:olc}
.article-body ol li{counter-increment:olc;padding-left:30px}
.article-body ol li::before{
  content:counter(olc);position:absolute;left:0;top:2px;
  width:20px;height:20px;border-radius:50%;background:var(--brand-soft);color:var(--brand-deep);
  font-size:12px;font-weight:700;display:grid;place-items:center;line-height:1;
}
.article-body blockquote{
  margin:24px 0;padding:18px 22px;background:var(--brand-soft);
  border-left:4px solid var(--brand);border-radius:0 16px 16px 0;
  color:var(--ink-2);font-size:16px;
}
.article-body blockquote p{margin:0;font-size:16px;color:var(--ink-2)}
.article-body img{border-radius:var(--r-img);margin:22px 0;width:100%;object-fit:cover;box-shadow:var(--sh-1)}
.article-body a{color:var(--brand-deep);border-bottom:1px solid #BFE6DB}
.article-body a:hover{color:var(--brand)}
.article-body table{
  width:100%;display:block;overflow-x:auto;border-collapse:collapse;margin:22px 0;font-size:15px;
  border:1px solid var(--line);border-radius:14px;
}
.article-body th,.article-body td{padding:12px 16px;border-bottom:1px solid var(--line);text-align:left;white-space:nowrap}
.article-body th{background:var(--bg-soft);font-weight:700;color:var(--ink)}
.article-body code{background:var(--bg-soft);padding:2px 7px;border-radius:6px;font-size:14px;color:var(--brand-deep)}
.article-body hr{border:0;border-top:1px solid var(--line);margin:30px 0}

/* 空态 */
.empty-state{padding:64px 20px;text-align:center;background:var(--bg-soft);border-radius:var(--r-card);border:1px dashed #C9E2DA}
.empty-state .icon{width:64px;height:64px;margin:0 auto 18px;border-radius:20px;background:#fff;display:grid;place-items:center;color:var(--brand);font-size:24px;box-shadow:var(--sh-1)}
.empty-state h3{font-size:20px;font-weight:700;margin-bottom:10px}
.empty-state p{color:var(--ink-2);font-size:15px;margin-bottom:22px}

/* 标签与分享 */
.article-foot{margin-top:36px;padding-top:26px;border-top:1px solid var(--line);display:flex;flex-wrap:wrap;gap:18px;justify-content:space-between;align-items:center}
.tag-list{display:flex;flex-wrap:wrap;gap:8px}
.tag-list a{padding:6px 14px;border-radius:999px;background:var(--bg-soft);color:var(--ink-2);font-size:13px;border:1px solid var(--line);transition:.2s}
.tag-list a:hover{background:var(--brand-soft);color:var(--brand-deep);border-color:#BFE6DB}
.share-list{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--ink-3)}
.share-list .icon-btn{width:36px;height:36px;font-size:14px}

/* 上一篇/下一篇 */
.prevnext{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:28px}
.prevnext-item{
  display:block;padding:18px 20px;border:1px solid var(--line);border-radius:18px;background:#fff;
  transition:all .22s ease;
}
.prevnext-item:hover{border-color:#BFE6DB;box-shadow:var(--sh-2);transform:translateY(-3px)}
.prevnext-item .k{font-size:13px;color:var(--ink-3);display:flex;align-items:center;gap:6px}
.prevnext-item .v{margin-top:8px;font-size:15px;font-weight:600;color:var(--ink);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.prevnext-item:hover .v{color:var(--brand-deep)}
.prevnext-item.next{text-align:right}
.prevnext-item.next .k{justify-content:flex-end}

.back-row{margin-top:26px;text-align:center}

/* ============ 相关推荐 ============ */
.related{padding:64px 0 8px}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:30px}
.sec-eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;color:var(--brand-deep);letter-spacing:.08em;margin-bottom:10px}
.sec-eyebrow::before{content:"";width:22px;height:3px;border-radius:3px;background:var(--grad)}
.sec-title{font-size:clamp(22px,2.5vw,30px);font-weight:800;line-height:1.3}
.sec-more{font-size:14.5px;font-weight:600;white-space:nowrap}
.sec-more i{font-size:12px;margin-left:6px;transition:transform .2s}
.sec-more:hover i{transform:translateX(4px)}

.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.post-card{
  position:relative;display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.post-card::before{
  content:"";position:absolute;top:0;left:0;right:0;height:3px;background:var(--grad);
  opacity:0;transition:opacity .25s ease;
}
.post-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#D3EBE3}
.post-card:hover::before{opacity:1}
.post-thumb{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--bg-soft)}
.post-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.post-card:hover .post-thumb img{transform:scale(1.05)}
.post-body{padding:20px 22px 14px;flex:1;display:flex;flex-direction:column;gap:10px}
.post-body h3{font-size:17px;font-weight:700;line-height:1.5;transition:color .2s}
.post-card:hover .post-body h3{color:var(--brand-deep)}
.post-body h3 a{color:inherit}
.post-desc{
  font-size:14px;color:var(--ink-2);line-height:1.75;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.post-meta{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:13px 22px;border-top:1px solid var(--line);background:#FCFEFD;
}
.post-meta .time{font-size:13px;color:var(--ink-3)}
.post-meta .cat{font-size:12.5px;font-weight:600;color:var(--brand-deep);background:var(--brand-soft);padding:3px 11px;border-radius:999px}

/* ============ 侧栏 ============ */
.article-side{position:relative}
.side-inner{position:sticky;top:100px;display:flex;flex-direction:column;gap:20px}
.side-card{background:#fff;border:1px solid var(--line);border-radius:20px;padding:22px;box-shadow:var(--sh-1)}
.side-card h4{font-size:15px;font-weight:700;display:flex;align-items:center;gap:9px;margin-bottom:14px}
.side-card h4 i{color:var(--brand);font-size:14px}
.toc-list{display:flex;flex-direction:column;gap:2px;max-height:360px;overflow-y:auto}
.toc-list a{
  display:block;padding:8px 12px;border-radius:10px;font-size:14px;line-height:1.55;
  color:var(--ink-2);border-left:2px solid transparent;
}
.toc-list a:hover{background:var(--bg-soft);color:var(--brand-deep)}
.toc-list a.on{background:var(--brand-soft);color:var(--brand-deep);font-weight:600;border-left-color:var(--brand)}
.side-list{display:flex;flex-direction:column;gap:14px}
.side-list a{display:flex;gap:12px;align-items:flex-start}
.side-list .thumb{width:60px;height:46px;border-radius:10px;overflow:hidden;flex-shrink:0;background:var(--bg-soft)}
.side-list .thumb img{width:100%;height:100%;object-fit:cover}
.side-list .txt{font-size:14px;line-height:1.6;color:var(--ink-2);transition:color .2s}
.side-list a:hover .txt{color:var(--brand-deep)}
.side-cta{background:var(--grad);border-radius:20px;padding:24px;color:#fff;box-shadow:0 16px 34px rgba(15,169,138,.26)}
.side-cta h4{font-size:17px;font-weight:700;color:#fff;margin-bottom:8px}
.side-cta p{font-size:13.5px;line-height:1.7;color:rgba(255,255,255,.88);margin-bottom:16px}
.side-cta .btn-white{
  display:block;text-align:center;padding:11px;border-radius:999px;background:#fff;
  color:var(--brand-deep);font-weight:700;font-size:14.5px;transition:.2s;
}
.side-cta .btn-white:hover{transform:translateY(-2px);box-shadow:0 10px 22px rgba(0,0,0,.16)}

/* ============ 底部 CTA ============ */
.cta-wrap{padding:64px 0 74px}
.cta-card{
  position:relative;overflow:hidden;border-radius:32px;padding:52px 56px;
  background:var(--grad);color:#fff;
  display:flex;align-items:center;justify-content:space-between;gap:36px;flex-wrap:wrap;
  box-shadow:0 26px 60px rgba(11,127,106,.26);
}
.cta-card::after{
  content:"";position:absolute;right:-70px;top:-90px;width:300px;height:300px;border-radius:50%;
  background:rgba(255,255,255,.10);
}
.cta-card .cta-text{position:relative;z-index:1;max-width:620px}
.cta-card h2{font-size:clamp(22px,2.6vw,32px);font-weight:800;line-height:1.3;margin-bottom:12px}
.cta-card p{font-size:15.5px;color:rgba(255,255,255,.9);line-height:1.8}
.cta-actions{position:relative;z-index:1;display:flex;gap:14px;flex-wrap:wrap}
.btn-white{
  display:inline-flex;align-items:center;gap:8px;padding:13px 28px;border-radius:999px;
  background:#fff;color:var(--brand-deep);font-weight:700;font-size:15px;
  transition:transform .2s ease,box-shadow .2s ease;
}
.btn-white:hover{color:var(--brand-deep);transform:translateY(-2px);box-shadow:0 14px 30px rgba(0,0,0,.18)}
.btn-line{
  display:inline-flex;align-items:center;gap:8px;padding:12px 26px;border-radius:999px;
  border:1.5px solid rgba(255,255,255,.6);color:#fff;font-weight:600;font-size:15px;transition:.2s;
}
.btn-line:hover{background:rgba(255,255,255,.14);color:#fff;transform:translateY(-2px)}

/* ============ 页脚 ============ */
.site-footer{background:#123433;color:#B9CFCB;padding:66px 0 0}
.footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1.3fr;gap:38px;padding-bottom:44px}
.footer-brand{display:flex;align-items:center;gap:11px;font-size:18px;font-weight:800;color:#fff;margin-bottom:16px}
.footer-brand .brand-mark{width:34px;height:34px;border-radius:11px;font-size:14px;background:linear-gradient(135deg,#17C6A3,#0B7F6A);box-shadow:none}
.site-footer p{font-size:14px;line-height:1.85;color:#9FBBB6}
.site-footer h4{font-size:14px;font-weight:600;color:rgba(255,255,255,.62);margin-bottom:16px;letter-spacing:.04em}
.footer-links{display:flex;flex-direction:column;gap:11px}
.footer-links a{font-size:14.5px;color:#B9CFCB}
.footer-links a:hover{color:#5FE3C4}
.footer-contact{display:flex;flex-direction:column;gap:13px}
.footer-contact li{display:flex;align-items:flex-start;gap:10px;font-size:14px;color:#9FBBB6;line-height:1.7}
.footer-contact i{color:#5FE3C4;font-size:14px;margin-top:4px}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.10);padding:22px 0 26px;
  text-align:center;font-size:13px;color:#87A5A0;
}

/* ============ 底部固定转化条 ============ */
.sticky-bar{
  position:fixed;left:0;right:0;bottom:0;z-index:1040;background:#fff;
  border-top:1px solid var(--line);box-shadow:var(--sh-bar);
  padding-bottom:env(safe-area-inset-bottom);
}
.sticky-bar-inner{display:flex;align-items:center;gap:18px;height:66px}
.sticky-bar .txt{font-size:14.5px;color:var(--ink-2);flex:1}
.sticky-bar .txt strong{color:var(--ink);font-weight:700}
.sticky-actions{display:flex;align-items:center;gap:12px}
.sticky-bar .btn-ghost{display:none}

/* ============ 响应式 ============ */
@media (max-width:1199.98px){
  .article-layout{grid-template-columns:minmax(0,1fr) 280px;gap:32px}
  .article-card{padding:32px 30px}
}
@media (max-width:991.98px){
  .nav-pill{display:none}
  .header-actions .btn-pill{display:none}
  .nav-toggle{display:grid}
  .header-inner{height:66px}
  .article-layout{grid-template-columns:minmax(0,1fr)}
  .article-side{display:none}
  .article-body{max-width:100%}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}
  .related{padding-top:48px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .cta-card{padding:40px 34px}
}
@media (max-width:767.98px){
  body{font-size:15.5px;padding-bottom:60px}
  .container{padding-left:18px;padding-right:18px}
  .article-section{padding:28px 0 52px}
  .article-card{padding:24px 20px 22px;border-radius:20px}
  .article-title{margin-top:12px}
  .article-meta{gap:12px;font-size:13px;padding-bottom:18px}
  .article-body p{font-size:16px;line-height:1.85}
  .article-body h2{font-size:19px;margin:30px 0 12px}
  .article-body h3{font-size:17.5px}
  .prevnext{grid-template-columns:1fr}
  .prevnext-item.next{text-align:left}
  .prevnext-item.next .k{justify-content:flex-start}
  .card-grid{grid-template-columns:1fr;gap:18px}
  .sec-head{flex-direction:column;align-items:flex-start;gap:10px}
  .article-foot{flex-direction:column;align-items:flex-start}
  .cta-wrap{padding:44px 0 56px}
  .cta-card{padding:32px 22px;border-radius:24px;flex-direction:column;align-items:flex-start;gap:24px}
  .cta-actions{width:100%;flex-direction:column}
  .cta-actions .btn-white,.cta-actions .btn-line{width:100%;justify-content:center}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding-bottom:34px}
  .site-footer{padding-top:48px}
  .sticky-bar-inner{height:60px;gap:12px}
  .sticky-bar .txt{font-size:13px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
  .sticky-actions{flex:0 0 62%}
  .sticky-actions .btn-pill{width:100%;padding:11px 12px;font-size:14.5px}
  .search-overlay{padding:80px 16px}
}
@media (max-width:520px){
  .brand{font-size:17px}
  .brand-mark{width:32px;height:32px;border-radius:10px;font-size:13px}
}

/* roulang page: category2 */
:root{
  --brand:#0FA98A;
  --brand-dark:#0B7F6A;
  --brand-mid:#17C6A3;
  --brand-tint:#EAF6F2;
  --accent:#FF7A45;
  --accent-soft:#FFF3ED;
  --ink:#123433;
  --muted:#4A6A66;
  --soft:#8AA5A0;
  --bg:#FFFFFF;
  --bg-alt:#F4F8F6;
  --line:#E2EDE9;
  --grad:linear-gradient(135deg,#17C6A3 0%,#0FA98A 52%,#0B7F6A 100%);
  --r-sm:14px;
  --r-card:22px;
  --r-lg:24px;
  --r-xl:32px;
  --sh-1:0 6px 20px rgba(11,127,106,.08);
  --sh-2:0 14px 34px rgba(11,127,106,.14);
  --sh-bar:0 -8px 24px rgba(18,52,51,.10);
  --container:1180px;
  --bs-primary:#0FA98A;
  --bs-primary-rgb:15,169,138;
  --bs-body-color:#123433;
  --bs-link-color:#0B7F6A;
  --bs-link-hover-color:#0FA98A;
  --bs-border-color:#E2EDE9;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;scroll-padding-top:160px;}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB",system-ui,-apple-system,"Segoe UI",sans-serif;
  color:var(--ink);
  background:var(--bg);
  font-size:17px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  padding-bottom:92px;
}
img{max-width:100%;display:block;}
a{color:var(--brand-dark);text-decoration:none;transition:color .2s;}
a:hover{color:var(--brand);}
h1,h2,h3,h4{line-height:1.28;font-weight:800;margin:0 0 14px;letter-spacing:-.2px;}
p{margin:0 0 16px;}
ul{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding-left:20px;
  padding-right:20px;
}
a:focus-visible,button:focus-visible,.btn:focus-visible,.accordion-button:focus-visible{
  outline:none;
  box-shadow:0 0 0 3px rgba(23,198,163,.40);
  border-radius:999px;
}

/* ---------- Header ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:1030;
  background:rgba(255,255,255,.94);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  border-bottom:1px solid transparent;
  transition:border-color .25s ease,box-shadow .25s ease;
}
.site-header.is-stuck{
  border-bottom-color:var(--line);
  box-shadow:0 4px 18px rgba(11,127,106,.07);
}
.header-inner{
  display:flex;
  align-items:center;
  gap:22px;
  min-height:76px;
}
.brand{
  display:flex;
  align-items:center;
  gap:10px;
  flex:0 0 auto;
  color:var(--ink);
  font-weight:800;
  font-size:19px;
  letter-spacing:.2px;
}
.brand:hover{color:var(--ink);}
.brand-mark{
  width:38px;height:38px;
  border-radius:12px;
  background:var(--grad);
  color:#fff;
  display:grid;
  place-items:center;
  font-size:15px;
  box-shadow:0 6px 16px rgba(15,169,138,.32);
}
.nav-pill{
  display:flex;
  align-items:center;
  gap:2px;
  margin-left:auto;
}
.nav-pill a{
  position:relative;
  padding:9px 14px;
  border-radius:999px;
  color:var(--muted);
  font-size:15px;
  font-weight:500;
  transition:background .2s,color .2s;
}
.nav-pill a:hover{background:var(--brand-tint);color:var(--brand-dark);}
.nav-pill a.active{color:var(--brand-dark);font-weight:700;background:var(--brand-tint);}
.nav-pill a.active::after{
  content:"";
  position:absolute;
  left:50%;
  bottom:1px;
  transform:translateX(-50%);
  width:18px;height:3px;
  border-radius:3px;
  background:var(--brand);
}
.header-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.icon-btn,.burger{
  width:40px;height:40px;
  border-radius:12px;
  border:1px solid var(--line);
  background:#fff;
  color:var(--muted);
  display:grid;
  place-items:center;
  font-size:15px;
  cursor:pointer;
  transition:.2s;
}
.icon-btn:hover,.burger:hover{background:var(--brand-tint);color:var(--brand-dark);border-color:#cfe8e1;}
.burger{display:none;}

/* 按钮 */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  border-radius:999px;
  font-size:15px;
  font-weight:600;
  padding:12px 26px;
  border:1.5px solid transparent;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease;
  cursor:pointer;
  line-height:1.4;
}
.btn.btn-primary{
  background-color:var(--brand);
  background-image:var(--grad);
  color:#fff;
  box-shadow:0 10px 22px rgba(15,169,138,.26);
}
.btn.btn-primary:hover,
.btn.btn-primary:focus{
  background-image:linear-gradient(135deg,#0FA98A 0%,#0B7F6A 100%);
  color:#fff;
  transform:translateY(-2px);
  box-shadow:0 16px 30px rgba(11,127,106,.30);
}
.btn.btn-primary:active{transform:translateY(0);box-shadow:0 6px 16px rgba(11,127,106,.26);}
.btn.btn-ghost{
  background:#fff;
  border-color:var(--line);
  color:var(--brand-dark);
}
.btn.btn-ghost:hover{
  background:var(--brand-tint);
  border-color:var(--brand);
  color:var(--brand-dark);
  transform:translateY(-2px);
}
.btn.btn-dark-solid{
  background:#123433;
  color:#fff;
}
.btn.btn-dark-solid:hover{background:#0B7F6A;color:#fff;transform:translateY(-2px);}
.btn-sm-pill{padding:10px 20px;font-size:14px;}

/* 搜索面板 */
.search-panel{
  display:none;
  border-top:1px solid var(--line);
  background:#fff;
  padding:16px 0;
}
.search-panel.open{display:block;}
.search-panel form{display:flex;gap:12px;}
.search-panel input{
  flex:1;
  border:1.5px solid var(--line);
  border-radius:var(--r-sm);
  padding:12px 16px;
  font-size:15px;
  color:var(--ink);
  outline:none;
  transition:.2s;
}
.search-panel input:focus{border-color:var(--brand);box-shadow:0 0 0 4px rgba(23,198,163,.16);}

/* 移动端抽屉 */
.drawer{
  display:none;
  border-top:1px solid var(--line);
  background:#fff;
  padding:16px 0 20px;
}
.drawer.open{display:block;}
.drawer nav{display:flex;flex-direction:column;gap:6px;}
.drawer nav a{
  padding:13px 16px;
  border-radius:var(--r-sm);
  color:var(--muted);
  font-weight:500;
  background:var(--bg-alt);
}
.drawer nav a.active{background:var(--brand-tint);color:var(--brand-dark);font-weight:700;}
.drawer .drawer-cta{margin-top:14px;width:100%;}

/* ---------- 面包屑 ---------- */
.crumb{
  font-size:14px;
  color:var(--soft);
  padding:26px 0 0;
}
.crumb a{color:var(--muted);}
.crumb a:hover{color:var(--brand-dark);}
.crumb span{color:var(--soft);}

/* ---------- Hero ---------- */
.hero-alt{
  padding:26px 0 64px;
  background:linear-gradient(180deg,#F4F8F6 0%,#FFFFFF 100%);
}
.hero-alt-grid{
  display:grid;
  grid-template-columns:1.05fr .95fr;
  gap:56px;
  align-items:center;
  margin-top:22px;
}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  background:#fff;
  border:1px solid #cfe8e1;
  color:var(--brand-dark);
  font-size:13px;
  font-weight:600;
  padding:7px 16px;
  border-radius:999px;
  letter-spacing:.4px;
}
.hero-alt h1{
  font-size:clamp(30px,4.4vw,46px);
  margin:20px 0 16px;
  letter-spacing:-.6px;
}
.hero-alt .lead{
  font-size:17px;
  color:var(--muted);
  max-width:520px;
  margin-bottom:26px;
}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:30px;}
.hero-facts{display:flex;flex-wrap:wrap;gap:12px;}
.hero-facts li{
  background:#fff;
  border:1px solid var(--line);
  border-radius:999px;
  padding:9px 18px;
  font-size:13.5px;
  color:var(--muted);
  display:flex;
  align-items:center;
  gap:8px;
}
.hero-facts li b{color:var(--brand-dark);font-variant-numeric:tabular-nums;}
.hero-facts li i{color:var(--accent);font-size:11px;}
.hero-alt-media{
  position:relative;
  border-radius:var(--r-lg);
  overflow:hidden;
  box-shadow:var(--sh-2);
  aspect-ratio:16/11;
}
.hero-alt-media img{width:100%;height:100%;object-fit:cover;}
.float-card{
  position:absolute;
  left:20px;
  bottom:20px;
  right:20px;
  background:rgba(255,255,255,.95);
  backdrop-filter:blur(6px);
  border-radius:18px;
  padding:16px 18px;
  box-shadow:0 10px 26px rgba(18,52,51,.16);
}
.float-card h4{font-size:14px;font-weight:700;margin:0 0 10px;color:var(--ink);}
.float-card ul{display:grid;gap:8px;}
.float-card li{display:flex;gap:10px;font-size:13.5px;color:var(--muted);line-height:1.5;}
.float-card li span{
  width:20px;height:20px;flex:0 0 20px;
  border-radius:50%;
  background:var(--brand-tint);
  color:var(--brand-dark);
  font-size:11px;
  font-weight:700;
  display:grid;
  place-items:center;
  font-variant-numeric:tabular-nums;
}

/* ---------- 横向锚点胶囊条 ---------- */
.anchor-bar-wrap{
  position:sticky;
  top:76px;
  z-index:1020;
  background:rgba(255,255,255,.96);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
}
.anchor-bar{
  display:flex;
  gap:10px;
  padding:12px 0;
  overflow-x:auto;
  scrollbar-width:none;
}
.anchor-bar::-webkit-scrollbar{display:none;}
.anchor-bar a{
  white-space:nowrap;
  padding:8px 18px;
  border-radius:999px;
  border:1px solid var(--line);
  background:#fff;
  color:var(--muted);
  font-size:14px;
  font-weight:500;
  transition:.2s;
}
.anchor-bar a:hover{border-color:var(--brand);color:var(--brand-dark);background:var(--brand-tint);}
.anchor-bar a.active{
  background:var(--grad);
  border-color:transparent;
  color:#fff;
  box-shadow:0 8px 18px rgba(15,169,138,.24);
}

/* ---------- 通用板块 ---------- */
.section{padding:76px 0;}
.section.alt{background:var(--bg-alt);}
.section-head{max-width:720px;margin-bottom:44px;}
.section-head .tag{
  display:inline-block;
  font-size:13px;
  font-weight:700;
  color:var(--brand-dark);
  background:var(--brand-tint);
  padding:6px 14px;
  border-radius:999px;
  margin-bottom:14px;
  letter-spacing:.4px;
}
.section-head h2{font-size:clamp(24px,3vw,34px);}
.section-head p{color:var(--muted);margin:0;}

/* ---------- 通栏卡片流 ---------- */
.flow-list{display:grid;gap:18px;}
.flow-card{
  display:grid;
  grid-template-columns:76px 1fr;
  gap:26px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:30px 34px;
  box-shadow:var(--sh-1);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
  position:relative;
  overflow:hidden;
}
.flow-card::before{
  content:"";
  position:absolute;
  left:0;top:0;right:0;
  height:3px;
  background:var(--grad);
  opacity:0;
  transition:opacity .25s ease;
}
.flow-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#cfe8e1;}
.flow-card:hover::before{opacity:1;}
.flow-num{
  width:62px;height:62px;
  border-radius:20px;
  background:var(--brand-tint);
  color:var(--brand-dark);
  font-size:21px;
  font-weight:800;
  display:grid;
  place-items:center;
  font-variant-numeric:tabular-nums;
}
.flow-card h3{font-size:21px;margin-bottom:10px;}
.flow-card p{color:var(--muted);margin:0 0 12px;font-size:16px;}
.flow-card ul{display:grid;gap:8px;}
.flow-card ul li{
  font-size:15px;
  color:var(--muted);
  padding-left:20px;
  position:relative;
}
.flow-card ul li::before{
  content:"";
  position:absolute;
  left:2px;top:12px;
  width:6px;height:6px;
  border-radius:50%;
  background:var(--brand-mid);
}

/* ---------- 双列图文块 ---------- */
.media-row{
  display:grid;
  grid-template-columns:.92fr 1.08fr;
  gap:52px;
  align-items:center;
  margin-bottom:56px;
}
.media-row:last-child{margin-bottom:0;}
.media-figure{
  border-radius:var(--r-lg);
  overflow:hidden;
  box-shadow:var(--sh-1);
  aspect-ratio:4/3;
  position:relative;
}
.media-figure img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease;}
.media-row:hover .media-figure img{transform:scale(1.03);}
.media-text h3{font-size:clamp(21px,2.4vw,26px);margin-bottom:14px;}
.media-text > p{color:var(--muted);}
.media-points{display:grid;gap:10px;margin-top:18px;}
.media-points li{
  display:flex;
  gap:10px;
  align-items:flex-start;
  font-size:15px;
  color:var(--muted);
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-sm);
  padding:12px 16px;
}
.media-points li i{color:var(--brand);margin-top:5px;font-size:13px;}

/* ---------- 清单式要点 ---------- */
.checklist{display:grid;gap:14px;max-width:880px;}
.check-item{
  display:flex;
  gap:16px;
  align-items:flex-start;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-md);
  padding:20px 24px;
  transition:.25s;
}
.check-item:hover{border-color:#bfe4d9;box-shadow:var(--sh-1);transform:translateX(3px);}
.check-icon{
  width:30px;height:30px;
  flex:0 0 30px;
  border-radius:50%;
  background:var(--brand-tint);
  color:var(--brand-dark);
  display:grid;
  place-items:center;
  font-size:12px;
  margin-top:4px;
}
.check-item h4{font-size:16.5px;margin:0 0 6px;}
.check-item p{margin:0;font-size:15px;color:var(--muted);line-height:1.75;}

/* ---------- 对比说明卡 ---------- */
.compare{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:24px;
}
.compare-col{
  border-radius:var(--r-lg);
  padding:32px 30px;
  border:1px solid var(--line);
  background:#fff;
}
.compare-col.do{background:linear-gradient(180deg,#EAF6F2 0%,#FFFFFF 100%);border-color:#c9e9df;}
.compare-col.avoid{background:linear-gradient(180deg,#FFF3ED 0%,#FFFFFF 100%);border-color:#FFDDCC;}
.compare-head{
  display:flex;
  align-items:center;
  gap:12px;
  margin-bottom:20px;
}
.compare-head span{
  width:38px;height:38px;
  border-radius:12px;
  display:grid;
  place-items:center;
  font-size:15px;
  color:#fff;
}
.compare-col.do .compare-head span{background:var(--grad);box-shadow:0 8px 18px rgba(15,169,138,.26);}
.compare-col.avoid .compare-head span{background:linear-gradient(135deg,#FF9A6C,#FF7A45);box-shadow:0 8px 18px rgba(255,122,69,.26);}
.compare-head h3{margin:0;font-size:19px;}
.compare-col ul{display:grid;gap:14px;}
.compare-col li{
  font-size:15px;
  color:var(--muted);
  line-height:1.7;
  padding-left:18px;
  position:relative;
}
.compare-col li::before{
  content:"";
  position:absolute;
  left:0;top:11px;
  width:7px;height:7px;
  border-radius:50%;
}
.compare-col.do li::before{background:var(--brand);}
.compare-col.avoid li::before{background:var(--accent);}
.compare-col li b{color:var(--ink);font-weight:700;}

/* ---------- 更新提示条 ---------- */
.update-strip{
  display:flex;
  align-items:center;
  gap:14px;
  background:var(--brand-tint);
  border:1px solid #cfe8e1;
  border-radius:var(--r-md);
  padding:18px 24px;
  margin:0 0 0;
  color:var(--brand-dark);
  font-size:15px;
}
.update-strip i{font-size:17px;color:var(--accent);}

/* ---------- FAQ ---------- */
.faq-card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:10px 28px;
  box-shadow:var(--sh-1);
}
.faq-acc .accordion-item{
  border:none;
  border-bottom:1px solid var(--line);
  background:transparent;
}
.faq-acc .accordion-item:last-child{border-bottom:none;}
.faq-acc .accordion-button{
  background:transparent;
  box-shadow:none;
  font-weight:600;
  font-size:17px;
  color:var(--ink);
  padding:24px 6px 24px 16px;
  border-radius:0;
  position:relative;
  transition:color .2s;
}
.faq-acc .accordion-button::before{
  content:"";
  position:absolute;
  left:0;top:50%;
  transform:translateY(-50%) scaleY(0);
  width:3px;height:24px;
  border-radius:3px;
  background:var(--grad);
  transition:transform .25s ease;
  transform-origin:center;
}
.faq-acc .accordion-button:not(.collapsed)::before{transform:translateY(-50%) scaleY(1);}
.faq-acc .accordion-button:not(.collapsed){color:var(--brand-dark);background:transparent;}
.faq-acc .accordion-button::after{
  background-image:none;
  content:"\f067";
  font-family:"Font Awesome 6 Free";
  font-weight:900;
  font-size:12px;
  color:var(--brand-dark);
  width:28px;height:28px;
  border-radius:50%;
  background-color:var(--brand-tint);
  display:grid;
  place-items:center;
  transition:transform .25s ease,background-color .25s ease;
}
.faq-acc .accordion-button:not(.collapsed)::after{
  content:"\f068";
  background-color:var(--brand);
  color:#fff;
  transform:rotate(180deg);
}
.faq-acc .accordion-body{
  padding:0 60px 26px 16px;
  color:var(--muted);
  font-size:16px;
  line-height:1.85;
}

/* ---------- 底部 CTA ---------- */
.cta-card{
  background:var(--grad);
  border-radius:var(--r-xl);
  padding:56px 56px;
  color:#fff;
  display:grid;
  grid-template-columns:1fr auto;
  gap:40px;
  align-items:center;
  box-shadow:0 24px 48px rgba(11,127,106,.22);
  position:relative;
  overflow:hidden;
}
.cta-card::after{
  content:"";
  position:absolute;
  right:-80px;top:-80px;
  width:280px;height:280px;
  border-radius:50%;
  background:rgba(255,255,255,.10);
  pointer-events:none;
}
.cta-card h2{color:#fff;font-size:clamp(23px,2.8vw,32px);margin-bottom:12px;}
.cta-card p{color:rgba(255,255,255,.88);margin:0;max-width:620px;font-size:16px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;position:relative;z-index:1;}
.cta-card .btn.btn-ghost{
  background:rgba(255,255,255,.14);
  border-color:rgba(255,255,255,.55);
  color:#fff;
}
.cta-card .btn.btn-ghost:hover{background:rgba(255,255,255,.26);border-color:#fff;color:#fff;}
.cta-card .btn.btn-primary{
  background-image:none;
  background-color:#fff;
  color:var(--brand-dark);
  box-shadow:0 12px 26px rgba(0,0,0,.16);
}
.cta-card .btn.btn-primary:hover{background-color:#F4F8F6;color:var(--brand-dark);}

/* ---------- Footer ---------- */
.site-footer{
  background:#0C322C;
  color:rgba(255,255,255,.72);
  padding:64px 0 30px;
  margin-top:76px;
  font-size:15px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.2fr;
  gap:44px;
  padding-bottom:40px;
  border-bottom:1px solid rgba(255,255,255,.12);
}
.footer-brand{
  display:flex;
  align-items:center;
  gap:10px;
  color:#fff;
  font-weight:800;
  font-size:19px;
  margin-bottom:16px;
}
.footer-brand .brand-mark{
  background:var(--grad);
  box-shadow:0 6px 16px rgba(15,169,138,.36);
}
.site-footer p{color:rgba(255,255,255,.62);font-size:14.5px;line-height:1.8;margin:0;}
.site-footer h4{
  color:rgba(255,255,255,.92);
  font-size:14px;
  font-weight:700;
  letter-spacing:.5px;
  margin-bottom:18px;
}
.footer-links{display:grid;gap:11px;}
.footer-links a{color:rgba(255,255,255,.66);font-size:14.5px;}
.footer-links a:hover{color:#7FE5CE;}
.footer-contact{display:grid;gap:13px;}
.footer-contact li{display:flex;gap:10px;font-size:14.5px;color:rgba(255,255,255,.66);line-height:1.7;}
.footer-contact i{color:#7FE5CE;margin-top:5px;font-size:13px;}
.footer-bottom{
  text-align:center;
  padding-top:24px;
  font-size:13.5px;
  color:rgba(255,255,255,.46);
}

/* ---------- 底部固定转化条 ---------- */
.sticky-cta{
  position:fixed;
  left:0;right:0;bottom:0;
  z-index:1040;
  background:rgba(255,255,255,.97);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
  border-top:1px solid var(--line);
  box-shadow:var(--sh-bar);
}
.sticky-cta .inner{
  max-width:var(--container);
  margin:0 auto;
  padding:10px 20px calc(10px + env(safe-area-inset-bottom));
  display:flex;
  align-items:center;
  gap:18px;
  min-height:64px;
}
.sticky-cta .tip{
  display:flex;
  align-items:center;
  gap:10px;
  font-size:14.5px;
  color:var(--muted);
}
.sticky-cta .tip i{color:var(--accent);}
.sticky-cta .actions{margin-left:auto;display:flex;gap:12px;}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  .hero-alt-grid{gap:40px;}
  .media-row{gap:38px;}
}
@media (max-width:991.98px){
  .nav-pill{display:none;}
  .burger{display:grid;}
  .header-actions .btn-sm-pill{display:none;}
  .hero-alt{padding:16px 0 48px;}
  .hero-alt-grid{grid-template-columns:1fr;gap:36px;}
  .hero-alt-media{aspect-ratio:16/10;}
  .anchor-bar-wrap{top:76px;}
  .section{padding:56px 0;}
  .media-row{grid-template-columns:1fr;gap:26px;margin-bottom:44px;}
  .compare{grid-template-columns:1fr;}
  .cta-card{grid-template-columns:1fr;padding:40px 32px;gap:26px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px;}
  .flow-card{grid-template-columns:1fr;gap:16px;padding:26px 24px;}
  .flow-num{width:52px;height:52px;font-size:18px;border-radius:16px;}
}
@media (max-width:767.98px){
  body{font-size:16px;padding-bottom:110px;}
  .brand{font-size:16.5px;}
  .brand-mark{width:34px;height:34px;border-radius:10px;}
  .hero-alt h1{font-size:28px;}
  .hero-cta{gap:12px;}
  .hero-cta .btn{width:100%;}
  .float-card{left:12px;right:12px;bottom:12px;padding:13px 15px;}
  .anchor-bar-wrap{top:70px;}
  .section-head{margin-bottom:30px;}
  .faq-card{padding:4px 16px;}
  .faq-acc .accordion-button{font-size:16px;padding:20px 4px 20px 14px;}
  .faq-acc .accordion-body{padding:0 24px 22px 14px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .site-footer{padding:48px 0 24px;margin-top:56px;}
  .sticky-cta .inner{gap:10px;min-height:60px;}
  .sticky-cta .tip{display:none;}
  .sticky-cta .actions{margin-left:0;width:100%;gap:10px;}
  .sticky-cta .actions .btn{flex:1;padding:11px 12px;font-size:14px;}
  .sticky-cta .actions .btn.btn-primary{flex:0 0 60%;}
  .update-strip{font-size:14px;padding:15px 18px;}
  .hero-facts li{font-size:13px;}
}
@media (max-width:575.98px){
  .container{padding-left:16px;padding-right:16px;}
  .hero-alt .lead{font-size:16px;}
  .flow-card{padding:22px 18px;}
  .check-item{padding:18px 18px;}
  .compare-col{padding:26px 22px;}
  .cta-card{padding:32px 22px;}
}