/* roulang page: index */
:root{
  --pine:#0B5F55;
  --pine-mid:#128C7B;
  --mint:#35D0A5;
  --orange:#FF7A45;
  --orange-light:#FFB259;
  --paper:#F7F6F2;
  --mist:#E6F3EF;
  --deep:#06231F;
  --ink:#10221F;
  --body:#4A5C58;
  --muted:#869691;
  --line:#E3E8E5;
  --radius-lg:24px;
  --radius-md:16px;
  --radius-sm:14px;
  --shadow-card:0 12px 32px -14px rgba(11,95,85,.35);
  --shadow-hover:0 20px 46px -16px rgba(11,95,85,.44);
  --grad-brand:linear-gradient(135deg,#0B5F55 0%,#128C7B 50%,#35D0A5 100%);
  --grad-warm:linear-gradient(135deg,#FF7A45 0%,#FFB259 100%);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:96px;-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Noto Sans SC","Microsoft YaHei",system-ui,sans-serif;
  font-size:16px;line-height:1.75;color:var(--body);background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{margin:0;color:var(--ink);line-height:1.28;font-weight:700}
h1{font-size:30px;font-weight:800;letter-spacing:-.4px}
h2{font-size:26px}
h3{font-size:19px;font-weight:600}
p{margin:0}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
button,input{font-family:inherit;font-size:inherit}
ul{margin:0;padding:0;list-style:none}
::selection{background:rgba(53,208,165,.32)}
::-webkit-scrollbar{width:10px;height:10px}
::-webkit-scrollbar-track{background:#EDEFEC}
::-webkit-scrollbar-thumb{background:linear-gradient(135deg,#0B5F55,#35D0A5);border-radius:999px}
::-webkit-scrollbar-thumb:hover{background:linear-gradient(135deg,#0E7A6B,#35D0A5)}
.num{font-variant-numeric:tabular-nums;letter-spacing:-.02em}

.container{width:100%;max-width:1200px;margin-inline:auto;padding-inline:20px}
@media(min-width:768px){.container{padding-inline:32px}}
.section{padding:64px 0}
@media(min-width:768px){.section{padding:96px 0}}
.section-mist{background:var(--mist)}
.section-paper{background:var(--paper)}

.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;letter-spacing:.06em;color:var(--pine);background:rgba(53,208,165,.14);border:1px solid rgba(53,208,165,.32);padding:5px 14px;border-radius:999px}
.eyebrow i{font-size:12px}
.sec-head{max-width:760px;margin-bottom:36px}
.sec-head h2{margin:14px 0 12px;font-size:26px}
.sec-head p{color:var(--body);font-size:16px}
.sec-head .bar{width:56px;height:5px;border-radius:999px;background:var(--grad-warm);margin-bottom:6px}
.grad-text{background:var(--grad-brand);-webkit-background-clip:text;background-clip:text;color:transparent}

/* 导航 */
.site-header{position:sticky;top:0;z-index:80;transition:background .25s ease,box-shadow .25s ease,backdrop-filter .25s ease}
.site-header.is-scrolled{background:rgba(247,246,242,.88);backdrop-filter:blur(14px);box-shadow:0 8px 24px -16px rgba(11,95,85,.55);border-bottom:1px solid rgba(227,232,229,.9)}
.site-header.on-hero .logo-main,.site-header.on-hero .logo-sub{color:#fff}
.site-header.on-hero .nav-link{color:#EAF6F2}
.site-header.on-hero .nav-link:hover{color:#fff}
.site-header.on-hero .head-badge{background:rgba(255,255,255,.14);border-color:rgba(255,255,255,.28);color:#EAF6F2}
.site-header.on-hero .btn-outline{background:transparent;color:#fff;border-color:rgba(255,255,255,.45)}
.site-header.on-hero .btn-outline:hover{background:rgba(255,255,255,.14)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;height:72px}
.logo{display:flex;align-items:center;gap:10px;flex-shrink:0}
.logo-mark{width:40px;height:40px;border-radius:13px;background:var(--grad-brand);display:grid;place-items:center;color:#fff;font-size:17px;box-shadow:0 8px 18px -8px rgba(11,95,85,.7)}
.logo-text{display:flex;flex-direction:column;line-height:1.15}
.logo-main{font-size:15px;font-weight:800;color:var(--ink);letter-spacing:-.2px;white-space:nowrap}
.logo-sub{font-size:11px;font-weight:500;color:var(--muted);letter-spacing:.18em}
.nav-links{display:none;align-items:center;gap:28px}
.nav-link{position:relative;font-size:15px;font-weight:500;color:var(--body);padding:6px 0;transition:color .18s ease}
.nav-link::after{content:"";position:absolute;left:0;right:0;bottom:0;height:2px;border-radius:2px;background:var(--grad-brand);transform:scaleX(0);transform-origin:left;transition:transform .22s ease}
.nav-link:hover{color:var(--pine)}
.nav-link:hover::after,.nav-link.active::after{transform:scaleX(1)}
.nav-link.active{color:var(--pine);font-weight:600}
.head-right{display:flex;align-items:center;gap:10px}
.head-badge{display:none;align-items:center;gap:7px;font-size:12.5px;font-weight:600;color:var(--pine);background:rgba(53,208,165,.14);border:1px solid rgba(53,208,165,.34);padding:5px 12px;border-radius:999px}
.dot-pulse{width:7px;height:7px;border-radius:50%;background:#35D0A5;box-shadow:0 0 0 0 rgba(53,208,165,.7);animation:pulseDot 2.1s infinite}
@keyframes pulseDot{0%{box-shadow:0 0 0 0 rgba(53,208,165,.6)}70%{box-shadow:0 0 0 8px rgba(53,208,165,0)}100%{box-shadow:0 0 0 0 rgba(53,208,165,0)}}
.head-pill{display:none;align-items:center;gap:8px;font-size:12.5px;font-weight:600;color:var(--ink);background:#fff;border:1px solid var(--line);padding:5px 12px;border-radius:999px}
.menu-toggle{width:44px;height:44px;border-radius:var(--radius-sm);border:1px solid var(--line);background:#fff;color:var(--ink);display:grid;place-items:center;cursor:pointer;transition:.2s}
.menu-toggle:hover{border-color:var(--mint);color:var(--pine)}

/* 按钮 */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;height:46px;padding:0 22px;border-radius:var(--radius-sm);font-size:15px;font-weight:600;cursor:pointer;border:1px solid transparent;transition:transform .18s ease,box-shadow .18s ease,background .18s ease,color .18s ease;white-space:nowrap}
.btn:active{transform:scale(.98)}
.btn:focus-visible{outline:2px solid var(--pine);outline-offset:2px}
.btn-primary{background:var(--grad-brand);color:#fff;box-shadow:0 12px 26px -14px rgba(11,95,85,.85)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 18px 34px -14px rgba(11,95,85,.9);filter:brightness(1.06)}
.btn-outline{background:#fff;color:var(--pine);border-color:rgba(11,95,85,.28)}
.btn-outline:hover{background:var(--mist);transform:translateY(-2px)}
.btn-ghost{background:rgba(255,255,255,.14);color:#fff;border-color:rgba(255,255,255,.4)}
.btn-ghost:hover{background:rgba(255,255,255,.26);transform:translateY(-2px)}
.btn-sm{height:40px;padding:0 18px;font-size:14px}

/* Hero */
.hero{position:relative;overflow:hidden;background:var(--deep);padding:64px 0 96px}
.hero-bg{position:absolute;inset:0;background-image:url('/assets/images/backpic/back-1.png');background-size:cover;background-position:center;opacity:.5}
.hero-veil{position:absolute;inset:0;background:linear-gradient(135deg,rgba(6,35,31,.95) 0%,rgba(11,95,85,.88) 48%,rgba(18,140,123,.74) 100%)}
.hero-grid{position:absolute;inset:0;opacity:.05;background-image:linear-gradient(rgba(255,255,255,.9) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.9) 1px,transparent 1px);background-size:52px 52px}
.hero::after{content:"";position:absolute;left:0;right:0;bottom:-1px;height:70px;background:var(--paper);clip-path:polygon(0 100%,100% 0,100% 100%)}
.hero-inner{position:relative;z-index:2;display:grid;gap:44px;align-items:center}
.hero h1{color:#fff;font-size:30px;font-weight:800;line-height:1.26;letter-spacing:-.5px;margin:18px 0 16px}
.hero h1 span{background:linear-gradient(135deg,#8CF7D6 0%,#35D0A5 60%,#FFD9A8 100%);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-sub{color:#D3E7E1;font-size:16px;max-width:560px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.hero-badges{display:flex;gap:12px;margin-top:34px;overflow-x:auto;padding-bottom:6px;scroll-snap-type:x mandatory}
.badge-card{min-width:132px;scroll-snap-align:start;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.22);backdrop-filter:blur(6px);border-radius:14px;padding:12px 16px}
.badge-card strong{display:block;font-size:23px;font-weight:700;color:#fff;line-height:1.2}
.badge-card em{display:block;font-style:normal;font-size:12.5px;color:#B6D6CE;margin-top:3px}
.hero-visual{position:relative}
.hero-shot{border-radius:var(--radius-lg);overflow:hidden;border:1px solid rgba(255,255,255,.24);box-shadow:0 30px 60px -26px rgba(0,0,0,.75)}
.hero-shot img{width:100%;aspect-ratio:16/11;object-fit:cover}
.float-card{position:absolute;left:-8px;bottom:-26px;background:#fff;border-radius:var(--radius-md);padding:16px 18px;box-shadow:0 22px 44px -18px rgba(6,35,31,.65);min-width:210px;border:1px solid var(--line)}
.float-card .fc-top{display:flex;align-items:center;gap:8px;font-size:12.5px;font-weight:600;color:var(--pine)}
.float-card strong{display:block;font-size:22px;color:var(--ink);margin-top:6px}
.float-card small{color:var(--muted);font-size:12.5px}

/* 卖点卡 */
.feature-grid{display:grid;gap:22px}
.feature-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:26px;box-shadow:var(--shadow-card);transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease}
.feature-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(53,208,165,.5)}
.icon-round{width:52px;height:52px;border-radius:16px;display:grid;place-items:center;font-size:20px;color:#fff;background:var(--grad-brand);margin-bottom:18px;box-shadow:0 12px 24px -14px rgba(11,95,85,.85)}
.feature-card h3{margin-bottom:10px}
.feature-card p{font-size:14.5px;color:var(--body)}

/* 演示 */
.demo-grid{display:grid;gap:32px;align-items:center}
.demo-steps{display:grid;gap:12px}
.demo-step{display:flex;gap:16px;align-items:flex-start;text-align:left;width:100%;background:#fff;border:1px solid var(--line);border-radius:var(--radius-md);padding:18px 20px;cursor:pointer;transition:.2s}
.demo-step:hover{border-color:rgba(53,208,165,.6);transform:translateY(-2px)}
.demo-step.is-active{border-color:transparent;background:linear-gradient(#fff,#fff) padding-box,var(--grad-brand) border-box;box-shadow:var(--shadow-card)}
.step-idx{flex:none;width:34px;height:34px;border-radius:11px;display:grid;place-items:center;font-weight:700;font-size:14px;background:var(--mist);color:var(--pine);transition:.2s}
.demo-step.is-active .step-idx{background:var(--grad-brand);color:#fff}
.demo-step h4{font-size:15.5px;font-weight:700;color:var(--ink);margin-bottom:4px}
.demo-step p{font-size:13.5px;color:var(--body)}
.demo-stage{position:relative;border-radius:var(--radius-lg);background:#fff;border:1px solid var(--line);padding:18px;box-shadow:var(--shadow-card)}
.demo-stage img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:var(--radius-md)}
.demo-caption{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:14px;font-size:13.5px;color:var(--muted)}
.demo-caption strong{color:var(--ink);font-size:14.5px}

/* 证据 */
.proof-grid{display:grid;gap:22px}
.quote-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:26px;box-shadow:var(--shadow-card)}
.quote-card i{color:var(--mint);font-size:20px}
.quote-card p{margin:14px 0 20px;font-size:14.5px;color:var(--body)}
.quote-user{display:flex;align-items:center;gap:12px}
.avatar{width:40px;height:40px;border-radius:50%;background:var(--grad-brand);color:#fff;display:grid;place-items:center;font-weight:700;font-size:15px}
.quote-user strong{display:block;font-size:14px;color:var(--ink)}
.quote-user span{font-size:12.5px;color:var(--muted)}
.stat-panel{background:var(--deep);border-radius:var(--radius-lg);padding:28px;color:#CFE5DF}
.stat-row{display:flex;align-items:center;gap:14px;margin-bottom:18px}
.stat-row:last-child{margin-bottom:0}
.stat-label{flex:none;width:88px;font-size:13.5px;color:#A9CCC4}
.stat-track{flex:1;height:10px;border-radius:999px;background:rgba(255,255,255,.13);overflow:hidden}
.stat-fill{height:100%;border-radius:999px;background:var(--grad-brand)}
.stat-fill.warm{background:var(--grad-warm)}
.stat-val{flex:none;font-size:14px;font-weight:700;color:#fff;width:64px;text-align:right}
.partner-wall{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin-top:6px}
.partner-chip{border:1px dashed var(--line);border-radius:var(--radius-sm);padding:14px;text-align:center;font-size:13.5px;color:#9AA9A5;background:#fff;filter:grayscale(1);transition:.2s}
.partner-chip:hover{filter:grayscale(0);color:var(--pine);border-color:rgba(53,208,165,.6)}

/* 价格 */
.price-grid{display:grid;gap:22px}
.price-card{position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:28px;box-shadow:var(--shadow-card);display:flex;flex-direction:column;transition:transform .18s ease,box-shadow .18s ease}
.price-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover)}
.price-card.recommend{border-color:transparent;background:linear-gradient(#fff,#fff) padding-box,var(--grad-brand) border-box;box-shadow:0 22px 46px -18px rgba(11,95,85,.55)}
.rec-tag{position:absolute;top:-13px;left:28px;background:var(--grad-warm);color:#fff;font-size:12.5px;font-weight:700;padding:5px 14px;border-radius:999px;box-shadow:0 10px 20px -12px rgba(255,122,69,.95)}
.price-card h3{font-size:18px}
.price-tier{font-size:13px;color:var(--muted);margin-top:6px}
.price-value{font-size:26px;font-weight:800;color:var(--ink);margin:18px 0 6px;letter-spacing:-.4px}
.price-value small{font-size:14px;font-weight:500;color:var(--muted);margin-left:6px}
.price-list{margin:18px 0 24px;display:grid;gap:11px}
.price-list li{display:flex;gap:10px;font-size:14.5px;color:var(--body)}
.price-list i{color:var(--mint);font-size:14px;margin-top:5px}
.price-card .btn{width:100%;margin-top:auto}

/* 资讯 */
.news-grid{display:grid;gap:22px}
.news-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-card);display:flex;flex-direction:column;transition:transform .18s ease,box-shadow .18s ease}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover)}
.news-cover{display:block;position:relative;background:var(--grad-brand)}
.news-cover img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .3s ease}
.news-card:hover .news-cover img{transform:scale(1.04)}
.news-body{padding:22px;display:flex;flex-direction:column;gap:12px;flex:1}
.news-body h3{font-size:16.5px;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-body p{font-size:14px;color:var(--body);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-meta{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:auto;padding-top:14px;border-top:1px solid var(--line);font-size:13px;color:var(--muted)}
.pill{display:inline-flex;align-items:center;gap:6px;font-size:12.5px;font-weight:600;color:var(--pine);background:var(--mist);border-radius:999px;padding:4px 12px}
.pill-warm{background:var(--grad-warm);color:#fff}
.empty-state{background:#fff;border:1px dashed var(--line);border-radius:var(--radius-lg);padding:52px 24px;text-align:center}
.empty-state i{font-size:30px;color:var(--mint)}
.empty-state p{margin:16px 0 22px;color:var(--body)}

/* FAQ */
.faq-wrap{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);box-shadow:var(--shadow-card);overflow:hidden}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item:last-child{border-bottom:none}
.faq-item summary{list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:18px;padding:20px 26px;font-size:15.5px;font-weight:600;color:var(--ink);transition:background .18s ease}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{background:var(--mist)}
.faq-item summary .chev{flex:none;width:28px;height:28px;border-radius:50%;background:var(--mist);color:var(--pine);display:grid;place-items:center;font-size:12px;transition:transform .22s ease,background .22s ease,color .22s ease}
.faq-item[open] summary .chev{transform:rotate(180deg);background:var(--grad-brand);color:#fff}
.faq-answer{padding:0 26px 22px;font-size:15px;line-height:1.8;color:var(--body)}

/* CTA */
.cta-band{background:var(--deep);position:relative;overflow:hidden;border-radius:0}
.cta-band::before{content:"";position:absolute;inset:0;background:var(--grad-brand);opacity:.22}
.cta-inner{position:relative;z-index:2;display:grid;gap:26px;align-items:center}
.cta-inner h2{color:#fff;font-size:26px}
.cta-inner p{color:#C4DED7;font-size:15.5px;margin-top:12px}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px}
.cta-note{font-size:13px;color:#9CC2B9;margin-top:14px}

/* 页脚 */
.site-footer{background:#06231F;color:#A9C6BF;padding:64px 0 0}
.footer-grid{display:grid;gap:34px}
.footer-brand .logo-mark{background:var(--grad-brand)}
.footer-brand .logo-main{color:#fff}
.footer-brand .logo-sub{color:#7FA79E}
.footer-brand p{font-size:14px;margin-top:16px;color:#8FB0A8;max-width:320px}
.footer-title{font-size:14.5px;font-weight:700;color:#fff;margin-bottom:16px}
.footer-links{display:grid;gap:11px}
.footer-links a{font-size:14px;color:#A9C6BF;transition:color .18s ease,transform .18s ease;display:inline-block}
.footer-links a:hover{color:#35D0A5;transform:translateX(3px)}
.footer-contact{display:grid;gap:12px;font-size:14px}
.footer-contact div{display:flex;gap:10px;align-items:flex-start}
.footer-contact i{color:var(--mint);margin-top:5px;font-size:13px}
.footer-bottom{margin-top:48px;border-top:1px solid rgba(255,255,255,.1);padding:20px 0;display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;font-size:13px;color:#7FA79E}

/* 浮动 CTA */
.float-cta{position:fixed;right:24px;bottom:26px;z-index:90;opacity:0;transform:translateY(14px);pointer-events:none;transition:opacity .28s ease,transform .28s ease}
.float-cta.show{opacity:1;transform:translateY(0);pointer-events:auto}
.mobile-bar{display:none;position:fixed;left:0;right:0;bottom:0;z-index:90;height:56px;padding:0 16px calc(0px + env(safe-area-inset-bottom));background:rgba(6,35,31,.96);backdrop-filter:blur(10px);align-items:center;justify-content:space-between;gap:12px;border-top:1px solid rgba(255,255,255,.12)}
.mobile-bar span{color:#C4DED7;font-size:13.5px}
.mobile-bar .btn{height:38px;padding:0 16px;font-size:13.5px}

@media(min-width:768px){
  h1{font-size:40px}
  .hero h1{font-size:40px;margin:20px 0 18px}
  h2,.sec-head h2,.cta-inner h2{font-size:30px}
  .hero{padding:80px 0 120px}
  .hero-inner{grid-template-columns:1.05fr .95fr;gap:52px}
  .feature-grid{grid-template-columns:repeat(2,1fr);gap:24px}
  .demo-grid{grid-template-columns:1fr 1fr;gap:40px}
  .proof-grid{grid-template-columns:repeat(2,1fr);gap:24px}
  .partner-wall{grid-template-columns:repeat(4,1fr)}
  .price-grid{grid-template-columns:repeat(3,1fr);gap:24px}
  .news-grid{grid-template-columns:repeat(2,1fr);gap:24px}
  .cta-inner{grid-template-columns:1.3fr .7fr;gap:36px}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px}
  .faq-item summary{padding:22px 30px}
  .faq-answer{padding:0 30px 24px}
}
@media(min-width:1024px){
  .nav-links{display:flex}
  .head-badge,.head-pill{display:inline-flex}
  .menu-toggle{display:none}
  .feature-grid{grid-template-columns:repeat(4,1fr)}
  .news-grid{grid-template-columns:repeat(3,1fr)}
}
@media(max-width:1023px){
  .nav-drawer{position:fixed;inset:0;z-index:95;background:rgba(6,35,31,.55);opacity:0;pointer-events:none;transition:opacity .25s ease}
  .nav-drawer.open{opacity:1;pointer-events:auto}
  .nav-drawer-inner{position:absolute;top:0;right:0;width:82%;max-width:340px;height:100%;background:#fff;padding:24px;display:flex;flex-direction:column;gap:8px;transform:translateX(100%);transition:transform .28s ease;overflow-y:auto}
  .nav-drawer.open .nav-drawer-inner{transform:translateX(0)}
  .drawer-link{display:flex;align-items:center;justify-content:space-between;padding:14px 4px;font-size:15.5px;font-weight:600;color:var(--ink);border-bottom:1px solid var(--line)}
  .drawer-link:hover{color:var(--pine)}
  .drawer-close{margin-left:auto;width:40px;height:40px;border-radius:12px;border:1px solid var(--line);background:#fff;color:var(--ink);display:grid;place-items:center;cursor:pointer}
}
@media(min-width:1024px){.nav-drawer{display:none}}
@media(max-width:767px){
  .float-cta{display:none}
  .mobile-bar{display:flex}
  body{padding-bottom:56px}
  .hero::after{height:44px}
  .float-card{left:0;bottom:-18px;padding:13px 15px;min-width:180px}
}

/* roulang page: article */
:root{
  --brand-1:#0B5F55;
  --brand-2:#128C7B;
  --brand-3:#35D0A5;
  --accent-1:#FF7A45;
  --accent-2:#FFB259;
  --paper:#F7F6F2;
  --mist:#E6F3EF;
  --night:#06231F;
  --ink:#10221F;
  --body:#4A5C58;
  --muted:#869691;
  --line:#E3E8E5;
  --radius-lg:24px;
  --radius-md:16px;
  --radius-sm:14px;
  --shadow-card:0 12px 32px -14px rgba(11,95,85,.35);
  --shadow-hover:0 20px 46px -16px rgba(11,95,85,.46);
  --grad-brand:linear-gradient(135deg,#0B5F55 0%,#128C7B 55%,#35D0A5 100%);
  --grad-accent:linear-gradient(135deg,#FF7A45 0%,#FFB259 100%);
  --font-sans:"PingFang SC","Hiragino Sans GB","Noto Sans SC","Microsoft YaHei",system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:96px;-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.75;
  color:var(--body);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none;transition:color .2s ease}
button{font:inherit;cursor:pointer}
h1,h2,h3,h4{color:var(--ink);margin:0;line-height:1.3;font-weight:700}
p{margin:0}
ul,ol{margin:0;padding:0}
::selection{background:rgba(53,208,165,.35);color:#07231F}
:focus-visible{outline:2px solid var(--brand-1);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
@media (min-width:768px){.container{padding:0 32px}}
.num{font-variant-numeric:tabular-nums;letter-spacing:-.02em}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:70;
  background:rgba(247,246,242,.88);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid transparent;
  transition:background .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.site-header.scrolled{
  background:rgba(247,246,242,.96);
  border-bottom-color:var(--line);
  box-shadow:0 10px 28px -22px rgba(11,95,85,.75);
}
.header-inner{display:flex;align-items:center;gap:22px;min-height:74px;position:relative}
.logo{display:flex;align-items:center;gap:11px;flex-shrink:0}
.logo-mark{
  width:40px;height:40px;border-radius:13px;
  background:var(--grad-brand);
  color:#fff;display:grid;place-items:center;font-size:16px;
  box-shadow:0 10px 22px -12px rgba(11,95,85,.9);
}
.logo-text{display:flex;flex-direction:column;line-height:1.15}
.logo-main{font-size:16px;font-weight:800;color:var(--ink);letter-spacing:.2px}
.logo-sub{font-size:10px;letter-spacing:.22em;color:var(--muted);font-weight:600}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:8px}
.nav-link{
  position:relative;
  padding:9px 14px;border-radius:12px;
  font-size:15px;color:#3D514C;font-weight:500;
  transition:color .2s ease,background .2s ease;
}
.nav-link:hover{color:var(--brand-1);background:rgba(53,208,165,.12)}
.nav-link.active{color:var(--brand-1);font-weight:700}
.nav-link.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;border-radius:2px;
  background:var(--grad-accent);
}
.nav-side{display:flex;align-items:center;gap:12px;margin-left:auto}
.status-pill{
  display:inline-flex;align-items:center;gap:7px;
  padding:6px 13px;border-radius:999px;
  background:#fff;border:1px solid var(--line);
  font-size:13px;color:#3D514C;font-weight:500;white-space:nowrap;
}
.dot{width:7px;height:7px;border-radius:50%;background:var(--brand-3);position:relative}
.dot::after{
  content:"";position:absolute;inset:-4px;border-radius:50%;
  background:rgba(53,208,165,.4);animation:pulse 2s infinite ease-out;
}
@keyframes pulse{0%{transform:scale(.6);opacity:.9}70%{transform:scale(1.5);opacity:0}100%{opacity:0}}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:12px;
  border:1px solid var(--line);background:#fff;color:var(--brand-1);
  align-items:center;justify-content:center;font-size:17px;
}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 24px;border-radius:var(--radius-sm);
  font-size:15px;font-weight:600;white-space:nowrap;
  border:1px solid transparent;
  transition:transform .18s ease,box-shadow .18s ease,background .18s ease,color .18s ease,border-color .18s ease;
}
.btn-sm{height:40px;padding:0 18px;font-size:14px;border-radius:12px}
.btn-primary{
  background:var(--grad-brand);color:#fff;
  box-shadow:0 14px 28px -14px rgba(11,95,85,.9),inset 0 1px 0 rgba(255,255,255,.28);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 20px 36px -14px rgba(11,95,85,.75),inset 0 1px 0 rgba(255,255,255,.35);filter:brightness(1.06)}
.btn-primary:active{transform:scale(.98)}
.btn-ghost{
  background:#fff;color:var(--brand-1);border-color:rgba(11,95,85,.28);
}
.btn-ghost:hover{background:var(--mist);transform:translateY(-2px);box-shadow:0 14px 28px -18px rgba(11,95,85,.7)}
.btn-ghost:active{transform:scale(.98)}

/* ---------- 文章主体 ---------- */
.article-hero{
  position:relative;
  padding:34px 0 12px;
  background:
    radial-gradient(900px 320px at 12% 0%,rgba(53,208,165,.16),transparent 70%),
    radial-gradient(700px 280px at 92% 10%,rgba(255,122,69,.10),transparent 70%);
}
.breadcrumb{display:flex;align-items:center;flex-wrap:wrap;gap:8px;font-size:13.5px;color:var(--muted);margin-bottom:20px}
.breadcrumb a{color:#5A6E69}
.breadcrumb a:hover{color:var(--brand-2)}
.breadcrumb .sep{color:#C6CFCC}
.breadcrumb .current{color:var(--brand-1);font-weight:600}
.article-shell{max-width:860px;margin:0 auto}
.chip{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 14px;border-radius:999px;
  background:var(--mist);color:var(--brand-1);
  font-size:13px;font-weight:600;
}
.article-title{
  font-size:32px;line-height:1.32;font-weight:800;letter-spacing:-.2px;
  margin:18px 0 0;color:var(--ink);
}
@media (min-width:768px){.article-title{font-size:40px;line-height:1.28}}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px 20px;
  margin-top:20px;padding-bottom:22px;
  border-bottom:1px solid var(--line);
  font-size:14px;color:var(--muted);
}
.article-meta span{display:inline-flex;align-items:center;gap:7px}
.article-meta i{color:var(--brand-2);font-size:13px}
.article-figure{
  margin:28px 0 6px;border-radius:var(--radius-lg);overflow:hidden;
  box-shadow:var(--shadow-card);background:#fff;
  aspect-ratio:16/9;
}
.article-figure img{width:100%;height:100%;object-fit:cover}
.figure-cap{font-size:13px;color:var(--muted);text-align:center;margin-top:12px}

.article-body{
  max-width:760px;
  margin:34px auto 0;
  font-size:16.5px;
  line-height:1.85;
  color:var(--body);
}
.article-body h2{
  position:relative;
  font-size:25px;line-height:1.35;font-weight:700;color:var(--ink);
  margin:2.1em 0 .8em;padding-left:16px;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.2em;bottom:.2em;width:4px;border-radius:4px;
  background:var(--grad-accent);
}
.article-body h3{font-size:19px;font-weight:600;color:var(--ink);margin:1.7em 0 .65em}
.article-body h4{font-size:16.5px;font-weight:600;color:var(--ink);margin:1.4em 0 .5em}
.article-body p{margin:0 0 1.4em}
.article-body ul,.article-body ol{margin:0 0 1.5em;padding-left:1.45em}
.article-body ul{list-style:disc}
.article-body ol{list-style:decimal}
.article-body li{margin-bottom:.62em;line-height:1.75}
.article-body ul li::marker{color:var(--brand-2)}
.article-body ol li::marker{color:var(--brand-1);font-weight:700}
.article-body a{color:var(--brand-2);border-bottom:1px solid rgba(18,140,123,.35);padding-bottom:1px}
.article-body a:hover{color:var(--brand-1);border-bottom-color:var(--brand-1)}
.article-body strong{color:var(--ink);font-weight:700}
.article-body blockquote{
  margin:1.7em 0;padding:18px 24px;
  background:var(--mist);border-left:4px solid var(--brand-1);
  border-radius:0 var(--radius-md) var(--radius-md) 0;
  color:#264A44;font-size:15.5px;line-height:1.8;
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:20px;margin:1.7em auto;box-shadow:var(--shadow-card)}
.article-body figure{margin:1.7em 0}
.article-body figcaption{font-size:13px;color:var(--muted);text-align:center;margin-top:10px}
.article-body hr{border:0;height:1px;background:var(--line);margin:2.4em 0}
.article-body table{width:100%;border-collapse:collapse;margin:1.7em 0;font-size:15px;border-radius:var(--radius-md);overflow:hidden}
.article-body th{background:var(--mist);color:var(--brand-1);font-weight:600;text-align:left}
.article-body th,.article-body td{padding:12px 16px;border-bottom:1px solid var(--line)}
.article-body h2:first-child,.article-body p:first-child{margin-top:0}

.article-empty{
  text-align:center;padding:64px 24px;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
  box-shadow:var(--shadow-card);
}
.article-empty i{font-size:38px;color:var(--brand-2);opacity:.75}
.article-empty h2{font-size:22px;margin:18px 0 10px;padding:0}
.article-empty h2::before{display:none}
.article-empty p{font-size:15px;color:var(--muted);margin-bottom:22px}

.article-foot{max-width:760px;margin:46px auto 0;display:flex;flex-wrap:wrap;gap:14px;align-items:center;justify-content:space-between}
.back-note{font-size:13.5px;color:var(--muted);display:inline-flex;align-items:center;gap:8px}

/* ---------- 相关推荐 ---------- */
.related{padding:70px 0 0}
.section-head{margin-bottom:30px}
.section-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;letter-spacing:.08em;color:var(--brand-2);
  text-transform:uppercase;
}
.section-title{font-size:28px;font-weight:700;margin-top:12px;letter-spacing:-.2px}
.section-desc{margin-top:12px;font-size:15px;color:var(--muted);max-width:640px}
@media (min-width:768px){.section-title{font-size:32px}}
.related-grid{display:grid;grid-template-columns:1fr;gap:24px}
@media (min-width:768px){.related-grid{grid-template-columns:repeat(3,1fr)}}
.related-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
  overflow:hidden;display:flex;flex-direction:column;
  box-shadow:0 8px 24px -18px rgba(11,95,85,.5);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.related-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(53,208,165,.5)}
.related-thumb{aspect-ratio:16/9;overflow:hidden;background:var(--mist)}
.related-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.related-card:hover .related-thumb img{transform:scale(1.05)}
.related-body{padding:22px 22px 24px;display:flex;flex-direction:column;gap:12px;flex:1}
.related-body h3{font-size:17px;line-height:1.5;font-weight:600;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.related-body p{font-size:14px;color:var(--muted);line-height:1.7;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.related-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--muted);padding-top:4px}
.related-foot .more{color:var(--brand-2);font-weight:600;display:inline-flex;align-items:center;gap:6px}
.related-card:hover .related-foot .more{color:var(--brand-1)}

/* ---------- CTA ---------- */
.cta-band{
  margin-top:80px;
  background:
    radial-gradient(600px 260px at 88% 12%,rgba(53,208,165,.28),transparent 70%),
    linear-gradient(135deg,#06231F 0%,#0B5F55 62%,#128C7B 100%);
  color:#DCEDE8;
  border-radius:0;
}
.cta-inner{padding:60px 0;display:grid;gap:26px;align-items:center}
@media (min-width:900px){.cta-inner{grid-template-columns:1.4fr 1fr;padding:70px 0}}
.cta-inner h2{color:#fff;font-size:27px;line-height:1.35;letter-spacing:-.2px}
@media (min-width:768px){.cta-inner h2{font-size:32px}}
.cta-inner p{margin-top:14px;font-size:15px;line-height:1.8;color:#A9C8C1;max-width:560px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px}
.cta-actions .btn-ghost{background:rgba(255,255,255,.08);color:#EAF7F3;border-color:rgba(255,255,255,.28)}
.cta-actions .btn-ghost:hover{background:rgba(255,255,255,.16)}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--night);color:#B9CFC9;padding:58px 0 26px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1fr;gap:32px}
@media (min-width:640px){.footer-grid{grid-template-columns:1fr 1fr}}
@media (min-width:960px){.footer-grid{grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:38px}}
.footer-brand p{font-size:14px;line-height:1.85;color:#8FADA6;margin-top:14px;max-width:330px}
.site-footer .logo-main{color:#fff}
.site-footer .logo-sub{color:#7E9A94}
.footer-title{font-size:15px;color:#fff;font-weight:600;margin-bottom:16px}
.footer-links{display:flex;flex-direction:column;gap:11px}
.footer-links a{font-size:14px;color:#9FBDB6}
.footer-links a:hover{color:var(--brand-3)}
.footer-contact{display:flex;flex-direction:column;gap:12px;font-size:14px;color:#9FBDB6}
.footer-contact div{display:flex;gap:10px;align-items:flex-start;line-height:1.6}
.footer-contact i{color:var(--brand-3);margin-top:4px;font-size:13px}
.footer-bottom{
  margin-top:38px;padding-top:20px;border-top:1px solid rgba(255,255,255,.09);
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  font-size:13px;color:#7E9A94;
}

/* ---------- 移动端 ---------- */
@media (max-width:960px){
  .nav-toggle{display:inline-flex}
  .nav-links{
    position:absolute;top:100%;left:0;right:0;
    flex-direction:column;align-items:stretch;gap:2px;
    background:#fff;padding:14px 20px 20px;
    border-bottom:1px solid var(--line);
    box-shadow:0 26px 40px -30px rgba(11,95,85,.9);
    display:none;
  }
  .nav-links.open{display:flex}
  .nav-link{padding:13px 12px;border-radius:12px}
  .nav-link.active::after{display:none}
  .nav-link.active{background:var(--mist)}
  .status-pill{display:none}
}
@media (max-width:640px){
  .header-inner{min-height:66px;gap:14px}
  .logo-mark{width:36px;height:36px;border-radius:11px;font-size:15px}
  .logo-main{font-size:15px}
  .logo-sub{font-size:9px}
  .btn-sm{height:38px;padding:0 14px;font-size:13px}
  .article-title{font-size:27px}
  .article-body{font-size:16px;line-height:1.8}
  .article-body h2{font-size:21px}
  .article-body h3{font-size:17.5px}
  .related{padding-top:56px}
  .cta-band{margin-top:60px}
  .cta-actions .btn{width:100%}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
}

/* roulang page: category1 */
:root{
    --pine:#0B5F55;
    --pine-mid:#0E7A6B;
    --mint:#35D0A5;
    --ember:#FF7A45;
    --ember-soft:#FFB259;
    --paper:#F7F6F2;
    --mist:#E6F3EF;
    --deep:#06231F;
    --ink:#10221F;
    --body-c:#4A5C58;
    --mute:#869691;
    --line:#E3E8E5;
    --brand-grad:linear-gradient(135deg,#0B5F55 0%,#128C7B 52%,#35D0A5 100%);
    --ember-grad:linear-gradient(135deg,#FF7A45 0%,#FFB259 100%);
    --r-lg:24px;
    --r-md:16px;
    --r-sm:14px;
    --shadow-card:0 12px 32px -14px rgba(11,95,85,.35);
    --shadow-soft:0 6px 20px -12px rgba(11,95,85,.28);
  }

  *,*::before,*::after{box-sizing:border-box;}
  html{scroll-behavior:smooth;scroll-padding-top:96px;}
  body{
    margin:0;
    font-family:"PingFang SC","Hiragino Sans GB","Noto Sans SC","Microsoft YaHei",system-ui,sans-serif;
    font-size:16px;
    line-height:1.75;
    color:var(--body-c);
    background:var(--paper);
    -webkit-font-smoothing:antialiased;
    overflow-x:hidden;
  }
  img{max-width:100%;display:block;}
  a{color:inherit;text-decoration:none;transition:color .18s ease;}
  button{font-family:inherit;}
  ::selection{background:rgba(53,208,165,.32);color:var(--ink);}
  h1,h2,h3,h4{color:var(--ink);margin:0;line-height:1.28;letter-spacing:-.01em;}
  h1{font-size:40px;font-weight:800;}
  h2{font-size:30px;font-weight:700;}
  h3{font-size:20px;font-weight:600;}
  p{margin:0 0 1.4em;}
  p:last-child{margin-bottom:0;}

  .container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;}
  @media (min-width:768px){ .container{padding:0 32px;} }

  .num{font-variant-numeric:tabular-nums;letter-spacing:-.02em;}

  /* ---------- 头部导航 ---------- */
  .site-header{
    position:sticky;top:0;z-index:60;
    background:rgba(247,246,242,.86);
    backdrop-filter:blur(14px);
    border-bottom:1px solid transparent;
    transition:box-shadow .25s ease,border-color .25s ease,background .25s ease;
  }
  .site-header.is-scrolled{
    background:rgba(247,246,242,.96);
    border-bottom-color:var(--line);
    box-shadow:0 10px 26px -22px rgba(11,95,85,.6);
  }
  .header-inner{
    display:flex;align-items:center;gap:20px;
    min-height:76px;
  }
  .logo{display:flex;align-items:center;gap:12px;flex:none;}
  .logo-mark{
    width:42px;height:42px;border-radius:13px;
    background:var(--brand-grad);
    display:flex;align-items:center;justify-content:center;
    color:#fff;font-size:17px;
    box-shadow:0 8px 20px -10px rgba(11,95,85,.75);
  }
  .logo-text{display:flex;flex-direction:column;line-height:1.1;}
  .logo-main{font-size:17px;font-weight:800;color:var(--ink);letter-spacing:-.01em;}
  .logo-sub{font-size:10px;letter-spacing:.22em;color:var(--mute);font-weight:600;}

  .nav-links{display:none;align-items:center;gap:4px;margin-left:auto;}
  .nav-link{
    position:relative;
    padding:9px 14px;
    font-size:15px;font-weight:500;color:var(--body-c);
    border-radius:10px;
  }
  .nav-link::after{
    content:"";position:absolute;left:14px;right:14px;bottom:4px;height:2px;
    border-radius:2px;background:var(--brand-grad);
    transform:scaleX(0);transform-origin:left;transition:transform .22s ease;
  }
  .nav-link:hover{color:var(--pine);}
  .nav-link:hover::after{transform:scaleX(1);}
  .nav-link.active{color:var(--pine);font-weight:700;background:rgba(230,243,239,.75);}
  .nav-link.active::after{transform:scaleX(1);}
  .nav-link:focus-visible{outline:2px solid var(--pine-mid);outline-offset:2px;}

  .header-actions{display:flex;align-items:center;gap:10px;margin-left:auto;}
  .status-pill{
    display:none;align-items:center;gap:8px;
    padding:7px 14px;border-radius:999px;
    background:#fff;border:1px solid var(--line);
    font-size:13px;color:var(--pine);font-weight:600;
  }
  .dot{width:8px;height:8px;border-radius:50%;background:var(--mint);position:relative;}
  .dot::after{
    content:"";position:absolute;inset:0;border-radius:50%;
    background:var(--mint);animation:pulse 1.9s ease-out infinite;
  }
  @keyframes pulse{0%{transform:scale(1);opacity:.7;}100%{transform:scale(2.6);opacity:0;}}

  .menu-toggle{
    display:inline-flex;align-items:center;justify-content:center;
    width:44px;height:44px;border-radius:12px;
    background:#fff;border:1px solid var(--line);color:var(--pine);
    cursor:pointer;transition:background .18s ease,box-shadow .18s ease;
  }
  .menu-toggle:hover{background:var(--mist);}
  .menu-toggle:focus-visible{outline:2px solid var(--pine-mid);outline-offset:2px;}

  .mobile-drawer{
    display:none;
    border-top:1px solid var(--line);
    background:#fff;
    padding:14px 20px 22px;
  }
  .mobile-drawer.open{display:block;}
  .mobile-drawer a{
    display:block;padding:13px 12px;border-radius:12px;
    font-size:15px;font-weight:600;color:var(--ink);
  }
  .mobile-drawer a.active{background:var(--mist);color:var(--pine);}
  .mobile-drawer a:hover{background:var(--mist);}
  .mobile-drawer .drawer-cta{margin-top:12px;}

  @media (min-width:1024px){
    .nav-links{display:flex;}
    .header-actions{margin-left:12px;}
    .status-pill{display:inline-flex;}
    .menu-toggle{display:none;}
    .mobile-drawer{display:none !important;}
  }
  @media (max-width:1023px){
    .nav-links{display:none;}
  }

  /* ---------- 按钮 ---------- */
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    min-height:46px;padding:0 22px;border-radius:var(--r-sm);
    font-size:15px;font-weight:600;cursor:pointer;border:1px solid transparent;
    transition:transform .18s ease,box-shadow .18s ease,background .18s ease,color .18s ease;
    white-space:nowrap;
  }
  .btn:focus-visible{outline:2px solid var(--pine-mid);outline-offset:2px;}
  .btn-primary{
    background:var(--brand-grad);color:#fff;
    box-shadow:0 12px 26px -14px rgba(11,95,85,.85),inset 0 1px 0 rgba(255,255,255,.35);
  }
  .btn-primary:hover{filter:brightness(1.06);transform:translateY(-2px);box-shadow:0 18px 32px -14px rgba(11,95,85,.9);}
  .btn-primary:active{transform:scale(.98);}
  .btn-ghost{
    background:#fff;color:var(--pine);border-color:rgba(11,95,85,.28);
  }
  .btn-ghost:hover{background:var(--mist);border-color:var(--pine-mid);transform:translateY(-2px);}
  .btn-ghost:active{transform:scale(.98);}
  .btn-light{background:#fff;color:var(--pine);box-shadow:0 12px 26px -16px rgba(0,0,0,.5);}
  .btn-light:hover{filter:brightness(1.02);transform:translateY(-2px);}
  .btn-sm{min-height:40px;padding:0 16px;font-size:14px;border-radius:12px;}
  .btn-block{width:100%;}

  /* ---------- Hero ---------- */
  .hero{position:relative;overflow:hidden;background:var(--deep);}
  .hero-bg{
    position:absolute;inset:0;
    background-image:linear-gradient(135deg,rgba(11,95,85,.92) 0%,rgba(9,74,66,.82) 45%,rgba(6,35,31,.78) 100%),
      url('/assets/images/backpic/back-1.png');
    background-size:cover;background-position:center;
  }
  .hero-bg::after{
    content:"";position:absolute;inset:0;opacity:.06;
    background-image:linear-gradient(rgba(255,255,255,.9) 1px,transparent 1px),
      linear-gradient(90deg,rgba(255,255,255,.9) 1px,transparent 1px);
    background-size:44px 44px;
  }
  .hero-inner{position:relative;padding:56px 0 72px;}
  @media (min-width:768px){ .hero-inner{padding:76px 0 96px;} }

  .breadcrumb{
    display:flex;align-items:center;gap:8px;flex-wrap:wrap;
    font-size:13px;color:rgba(255,255,255,.72);margin-bottom:22px;
  }
  .breadcrumb a:hover{color:#fff;}
  .breadcrumb .sep{opacity:.5;}
  .breadcrumb .current{color:#fff;font-weight:600;}

  .hero h1{color:#fff;font-size:30px;margin-bottom:18px;}
  .hero h1 .accent{
    background:linear-gradient(135deg,#FFD8A8,#FFB259);
    -webkit-background-clip:text;background-clip:text;color:transparent;
  }
  @media (min-width:768px){ .hero h1{font-size:44px;} }

  .hero-lead{
    color:rgba(255,255,255,.82);
    font-size:16px;line-height:1.85;max-width:620px;margin-bottom:26px;
  }
  .hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:34px;}

  .badge-row{
    display:flex;gap:12px;overflow-x:auto;padding-bottom:6px;
    scroll-snap-type:x mandatory;
  }
  .badge-row::-webkit-scrollbar{height:6px;}
  .badge-row::-webkit-scrollbar-thumb{background:rgba(255,255,255,.3);border-radius:999px;}
  .stat-badge{
    flex:none;scroll-snap-align:start;
    display:flex;flex-direction:column;justify-content:center;
    min-width:132px;padding:12px 20px;border-radius:18px;
    background:linear-gradient(rgba(255,255,255,.96),rgba(255,255,255,.96)) padding-box,
      linear-gradient(135deg,#35D0A5,#FFB259) border-box;
    border:1px solid transparent;
    box-shadow:0 14px 28px -18px rgba(0,0,0,.7);
  }
  .stat-num{font-size:24px;font-weight:700;color:var(--pine);line-height:1.2;font-variant-numeric:tabular-nums;}
  .stat-label{font-size:12px;color:var(--mute);font-weight:600;}

  .hero-anchor-bar{
    display:flex;gap:10px;flex-wrap:wrap;margin-top:30px;
  }
  .anchor-pill{
    padding:8px 16px;border-radius:999px;
    background:rgba(255,255,255,.12);
    border:1px solid rgba(255,255,255,.22);
    color:#fff;font-size:14px;font-weight:500;
  }
  .anchor-pill:hover{background:rgba(255,255,255,.22);}

  .hero-panel{
    position:relative;margin-top:40px;
  }
  .hero-panel-frame{
    border-radius:var(--r-lg);overflow:hidden;
    border:1px solid rgba(255,255,255,.22);
    box-shadow:0 30px 60px -30px rgba(0,0,0,.8);
    background:rgba(255,255,255,.06);
  }
  .hero-panel-frame img{width:100%;aspect-ratio:16/10;object-fit:cover;}
  .hero-float{
    position:absolute;left:16px;bottom:-22px;
    background:#fff;border-radius:var(--r-md);
    padding:14px 18px;box-shadow:0 18px 36px -18px rgba(0,0,0,.65);
    display:flex;align-items:center;gap:12px;
  }
  .hero-float i{
    width:36px;height:36px;border-radius:11px;background:var(--mist);color:var(--pine);
    display:flex;align-items:center;justify-content:center;font-size:15px;
  }
  .hero-float b{display:block;font-size:15px;color:var(--ink);}
  .hero-float span{font-size:12px;color:var(--mute);}

  @media (min-width:1024px){
    .hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:56px;align-items:center;}
    .hero-panel{margin-top:0;}
  }

  /* ---------- 区块通用 ---------- */
  .section{padding:64px 0;}
  @media (min-width:768px){ .section{padding:96px 0;} }
  .section-mist{background:var(--mist);}
  .section-white{background:#fff;}
  .section-head{max-width:720px;margin-bottom:40px;}
  .eyebrow{
    display:inline-flex;align-items:center;gap:8px;
    font-size:13px;font-weight:700;letter-spacing:.12em;
    color:var(--pine-mid);text-transform:uppercase;margin-bottom:14px;
  }
  .eyebrow::before{content:"";width:22px;height:2px;border-radius:2px;background:var(--ember-grad);}
  .section-head h2{margin-bottom:14px;position:relative;padding-left:16px;}
  .section-head h2::before{
    content:"";position:absolute;left:0;top:8px;bottom:8px;width:5px;border-radius:3px;
    background:var(--ember-grad);
  }
  .section-head p{color:var(--body-c);}

  /* ---------- 卡片 ---------- */
  .card{
    background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
    padding:26px;box-shadow:var(--shadow-soft);
    transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
    display:flex;flex-direction:column;
  }
  .card:hover{transform:translateY(-4px);box-shadow:var(--shadow-card);border-color:rgba(53,208,165,.55);}
  .card-media{
    border-radius:var(--r-md);overflow:hidden;margin:-4px -4px 20px;
    background:var(--brand-grad);
  }
  .card-media img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .35s ease;}
  .card:hover .card-media img{transform:scale(1.04);}
  .tag-pill{
    display:inline-flex;align-items:center;gap:6px;
    padding:5px 12px;border-radius:999px;
    background:var(--mist);color:var(--pine);
    font-size:12px;font-weight:700;letter-spacing:.02em;
  }
  .tag-hot{background:var(--ember-grad);color:#fff;}
  .card h3{margin:14px 0 10px;}
  .card p{font-size:14.5px;color:var(--body-c);}
  .card-link{
    margin-top:auto;padding-top:18px;font-size:14px;font-weight:700;color:var(--pine);
    display:inline-flex;align-items:center;gap:8px;
  }
  .card-link i{transition:transform .2s ease;font-size:12px;}
  .card:hover .card-link i{transform:translateX(4px);}

  .grid-3{display:grid;gap:24px;grid-template-columns:1fr;}
  @media (min-width:768px){ .grid-3{grid-template-columns:repeat(2,1fr);} }
  @media (min-width:1024px){ .grid-3{grid-template-columns:repeat(3,1fr);} }

  .grid-2{display:grid;gap:24px;grid-template-columns:1fr;}
  @media (min-width:900px){ .grid-2{grid-template-columns:repeat(2,1fr);} }

  /* ---------- 步骤区 ---------- */
  .steps-wrap{display:grid;gap:36px;grid-template-columns:1fr;}
  @media (min-width:1024px){ .steps-wrap{grid-template-columns:1fr 1fr;gap:56px;align-items:start;} }
  .step-list{list-style:none;margin:0;padding:0;}
  .step-item{
    position:relative;padding:0 0 26px 62px;
  }
  .step-item:last-child{padding-bottom:0;}
  .step-item::before{
    content:"";position:absolute;left:22px;top:44px;bottom:0;width:2px;
    background:linear-gradient(180deg,rgba(53,208,165,.6),rgba(53,208,165,0));
  }
  .step-item:last-child::before{display:none;}
  .step-index{
    position:absolute;left:0;top:0;
    width:46px;height:46px;border-radius:14px;
    background:var(--brand-grad);color:#fff;
    display:flex;align-items:center;justify-content:center;
    font-size:17px;font-weight:700;font-variant-numeric:tabular-nums;
    box-shadow:0 12px 24px -14px rgba(11,95,85,.9);
  }
  .step-item h3{font-size:17px;margin-bottom:6px;}
  .step-item p{font-size:14.5px;margin:0;}

  .device-frame{
    background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
    padding:14px;box-shadow:var(--shadow-card);position:sticky;top:104px;
  }
  .device-frame .screen{border-radius:var(--r-md);overflow:hidden;}
  .device-frame img{width:100%;aspect-ratio:4/3;object-fit:cover;}
  .device-meta{
    display:flex;align-items:center;justify-content:space-between;gap:12px;
    padding:14px 8px 4px;font-size:13px;color:var(--mute);
  }
  .device-meta b{color:var(--ink);font-size:14px;}

  /* ---------- 准备清单 ---------- */
  .check-list{list-style:none;margin:0;padding:0;display:grid;gap:14px;}
  @media (min-width:768px){ .check-list{grid-template-columns:repeat(2,1fr);} }
  .check-list li{
    display:flex;gap:14px;align-items:flex-start;
    background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
    padding:18px 20px;box-shadow:var(--shadow-soft);
    transition:transform .18s ease,box-shadow .18s ease;
  }
  .check-list li:hover{transform:translateY(-3px);box-shadow:var(--shadow-card);}
  .check-list i{
    flex:none;width:30px;height:30px;border-radius:10px;
    background:var(--mist);color:var(--pine);
    display:flex;align-items:center;justify-content:center;font-size:13px;
  }
  .check-list b{display:block;color:var(--ink);font-size:15px;margin-bottom:4px;}
  .check-list span{font-size:14px;color:var(--body-c);}

  /* ---------- 对比清单 ---------- */
  .compare-card{
    background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
    padding:28px;box-shadow:var(--shadow-soft);
  }
  .compare-card h3{display:flex;align-items:center;gap:10px;margin-bottom:6px;}
  .compare-card h3 i{
    width:34px;height:34px;border-radius:11px;background:var(--mist);color:var(--pine);
    display:flex;align-items:center;justify-content:center;font-size:14px;
  }
  .compare-sub{font-size:13px;color:var(--mute);margin-bottom:18px;}
  .compare-list{list-style:none;margin:0 0 18px;padding:0;}
  .compare-list li{
    position:relative;padding-left:26px;font-size:14.5px;margin-bottom:10px;color:var(--body-c);
  }
  .compare-list li::before{
    content:"";position:absolute;left:0;top:9px;width:9px;height:9px;border-radius:50%;
    background:var(--brand-grad);
  }
  .compare-note{
    border-top:1px dashed var(--line);padding-top:16px;font-size:13.5px;color:var(--mute);
  }

  /* ---------- FAQ ---------- */
  .faq-card{
    background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
    padding:8px 26px;box-shadow:var(--shadow-soft);
  }
  .faq-item{border-bottom:1px solid var(--line);}
  .faq-item:last-child{border-bottom:0;}
  .faq-q{
    display:flex;align-items:center;justify-content:space-between;gap:16px;
    padding:22px 0;cursor:pointer;list-style:none;
    font-size:16px;font-weight:600;color:var(--ink);
  }
  .faq-q::-webkit-details-marker{display:none;}
  .faq-q i{color:var(--pine-mid);font-size:14px;transition:transform .24s ease;flex:none;}
  details[open] .faq-q i{transform:rotate(180deg);}
  details[open] .faq-q{color:var(--pine);}
  .faq-a{padding:0 0 22px;font-size:15px;line-height:1.8;color:var(--body-c);}

  /* ---------- CTA 带 ---------- */
  .cta-band{
    position:relative;overflow:hidden;background:var(--deep);color:#fff;
    padding:64px 0;
  }
  .cta-band::before{
    content:"";position:absolute;inset:0;
    background:radial-gradient(700px 320px at 82% 16%,rgba(53,208,165,.28),transparent 70%),
      radial-gradient(560px 280px at 8% 92%,rgba(255,122,69,.22),transparent 70%);
  }
  .cta-inner{position:relative;display:grid;gap:28px;align-items:center;}
  @media (min-width:900px){ .cta-inner{grid-template-columns:1.35fr .65fr;} }
  .cta-band h2{color:#fff;font-size:26px;margin-bottom:14px;}
  .cta-band p{color:rgba(255,255,255,.78);max-width:560px;font-size:15px;}
  .cta-actions{display:flex;flex-wrap:wrap;gap:12px;}
  @media (min-width:900px){ .cta-actions{justify-content:flex-end;} }

  /* ---------- 页脚 ---------- */
  .site-footer{background:var(--deep);color:rgba(255,255,255,.72);padding:56px 0 28px;font-size:14px;}
  .footer-grid{display:grid;gap:36px;grid-template-columns:1fr;}
  @media (min-width:768px){ .footer-grid{grid-template-columns:repeat(2,1fr);} }
  @media (min-width:1024px){ .footer-grid{grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:44px;} }
  .footer-brand p{max-width:340px;line-height:1.8;font-size:13.5px;}
  .site-footer .logo-main{color:#fff;}
  .site-footer .logo-sub{color:rgba(255,255,255,.5);}
  .footer-title{color:#fff;font-size:14px;font-weight:700;margin-bottom:16px;letter-spacing:.02em;}
  .footer-links{display:flex;flex-direction:column;gap:10px;}
  .footer-links a{color:rgba(255,255,255,.7);font-size:13.5px;}
  .footer-links a:hover{color:var(--mint);}
  .footer-contact{display:flex;flex-direction:column;gap:12px;}
  .footer-contact div{display:flex;gap:10px;align-items:flex-start;font-size:13.5px;}
  .footer-contact i{color:var(--mint);margin-top:4px;font-size:13px;}
  .footer-bottom{
    margin-top:38px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);
    display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
    font-size:13px;color:rgba(255,255,255,.55);
  }

  .scrollbar-thin::-webkit-scrollbar{height:6px;width:6px;}
  .scrollbar-thin::-webkit-scrollbar-thumb{background:rgba(11,95,85,.3);border-radius:999px;}

  @media (max-width:520px){
    h1{font-size:26px;}
    .hero h1{font-size:26px;}
    h2{font-size:23px;}
    .section-head h2{padding-left:14px;}
    .card{padding:22px;}
    .faq-card{padding:4px 18px;}
    .cta-band{padding:52px 0;}
    .hero-float{left:10px;right:10px;bottom:-18px;}
  }

/* roulang page: category2 */
:root{
  --brand-900:#06231F;
  --brand-800:#0B5F55;
  --brand-700:#0E7A6B;
  --brand-500:#128C7B;
  --brand-300:#35D0A5;
  --accent-500:#FF7A45;
  --accent-400:#FFB259;
  --paper:#F7F6F2;
  --mist:#E6F3EF;
  --ink:#10221F;
  --body-c:#4A5C58;
  --muted:#869691;
  --line:#E3E8E5;
  --radius-lg:24px;
  --radius-md:16px;
  --radius-sm:14px;
  --shadow-card:0 12px 32px -14px rgba(11,95,85,.35);
  --shadow-card-hover:0 22px 46px -18px rgba(11,95,85,.42);
  --grad-brand:linear-gradient(135deg,#0B5F55 0%,#128C7B 55%,#35D0A5 100%);
  --grad-accent:linear-gradient(135deg,#FF7A45 0%,#FFB259 100%);
}

*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:104px}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Noto Sans SC","Microsoft YaHei",system-ui,sans-serif;
  background:var(--paper);
  color:var(--body-c);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{text-decoration:none;color:var(--brand-800);transition:color .2s ease}
h1,h2,h3,h4{color:var(--ink);margin:0;line-height:1.3;font-weight:700}
p{margin:0 0 1.4em}
p:last-child{margin-bottom:0}
ul,ol{margin:0 0 1.4em;padding:0}
button,input{font-family:inherit}
::selection{background:rgba(53,208,165,.32);color:var(--brand-900)}

.container{width:100%;max-width:1200px;margin:0 auto;padding-left:20px;padding-right:20px}
@media (min-width:768px){ .container{padding-left:32px;padding-right:32px} }

.tabular{font-variant-numeric:tabular-nums;letter-spacing:-.02em}

/* ---------- 导航 ---------- */
header.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(247,246,242,.88);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid transparent;
  transition:box-shadow .25s ease,background .25s ease,border-color .25s ease;
}
header.site-header.scrolled{
  background:rgba(247,246,242,.96);
  border-bottom-color:var(--line);
  box-shadow:0 12px 30px -24px rgba(11,95,85,.7);
}
.header-inner{display:flex;align-items:center;gap:16px;min-height:74px;padding:10px 0}
header.site-header .logo{display:inline-flex;align-items:center;gap:10px;color:var(--ink);flex-shrink:0}
header.site-header .logo-mark{
  width:40px;height:40px;border-radius:13px;display:grid;place-items:center;
  color:#fff;font-size:17px;background:var(--grad-brand);
  box-shadow:0 10px 22px -12px rgba(11,95,85,.75);
}
header.site-header .logo-text{display:flex;flex-direction:column;line-height:1.12}
header.site-header .logo-main{font-size:17px;font-weight:800;letter-spacing:-.2px;color:var(--ink);white-space:nowrap}
header.site-header .logo-sub{font-size:10px;letter-spacing:2.4px;color:var(--muted);font-weight:600}

header.site-header nav.nav-links{display:flex;align-items:center;gap:2px;margin-left:auto}
header.site-header .nav-link{
  position:relative;padding:9px 14px;border-radius:12px;
  color:var(--body-c);font-size:15px;font-weight:500;
  transition:color .2s ease,background .2s ease;white-space:nowrap;
}
header.site-header .nav-link:hover{color:var(--brand-800);background:var(--mist)}
header.site-header .nav-link.active{color:var(--brand-800);font-weight:700}
header.site-header .nav-link.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;border-radius:2px;
  background:linear-gradient(90deg,#0B5F55,#35D0A5);
}
header.site-header .nav-link:focus-visible{outline:2px solid var(--brand-700);outline-offset:2px}

.header-side{display:flex;align-items:center;gap:10px;flex-shrink:0}
.status-tag{
  display:inline-flex;align-items:center;gap:7px;padding:6px 13px;border-radius:999px;
  background:#fff;border:1px solid var(--line);font-size:13px;color:var(--body-c);white-space:nowrap;
}
.status-tag .dot{width:7px;height:7px;border-radius:999px;background:var(--brand-300);position:relative}
.status-tag .dot::after{
  content:"";position:absolute;inset:-4px;border-radius:999px;border:1px solid var(--brand-300);
  animation:pulse 1.8s ease-out infinite;
}
@keyframes pulse{0%{opacity:.9;transform:scale(.7)}100%{opacity:0;transform:scale(1.5)}}
.count-pill{
  display:inline-flex;align-items:center;gap:7px;padding:6px 14px;border-radius:999px;
  background:var(--mist);color:var(--brand-800);font-size:13px;font-weight:700;white-space:nowrap;
  border:1px solid rgba(18,140,123,.18);
}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border-radius:var(--radius-sm);
  font-size:15px;font-weight:700;border:1px solid transparent;cursor:pointer;
  transition:transform .18s ease,box-shadow .18s ease,background .18s ease,color .18s ease,filter .18s ease;
  white-space:nowrap;
}
.btn-primary{background:var(--grad-brand);color:#fff;box-shadow:0 14px 30px -14px rgba(11,95,85,.7)}
.btn-primary:hover{filter:brightness(1.06);transform:translateY(-2px);box-shadow:0 20px 38px -16px rgba(11,95,85,.72);color:#fff}
.btn-primary:active{transform:scale(.98)}
.btn-ghost{background:#fff;color:var(--brand-800);border-color:rgba(11,95,85,.28)}
.btn-ghost:hover{background:var(--mist);color:var(--brand-800);transform:translateY(-2px)}
.btn-ghost:active{transform:scale(.98)}
.btn:focus-visible{outline:2px solid var(--brand-700);outline-offset:2px}
.btn-sm{height:40px;padding:0 18px;font-size:14px;border-radius:12px}

.menu-toggle{
  display:none;width:42px;height:42px;border-radius:12px;border:1px solid var(--line);
  background:#fff;color:var(--brand-800);font-size:16px;place-items:center;cursor:pointer;
}
.menu-toggle:focus-visible{outline:2px solid var(--brand-700);outline-offset:2px}

.mobile-drawer{
  position:fixed;inset:0;z-index:80;background:#fff;
  padding:22px 22px 32px;display:flex;flex-direction:column;
  transform:translateY(-12px);opacity:0;visibility:hidden;
  transition:opacity .22s ease,transform .22s ease,visibility .22s;
  overflow-y:auto;
}
.mobile-drawer.open{opacity:1;visibility:visible;transform:translateY(0)}
.drawer-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:26px}
.drawer-close{width:42px;height:42px;border-radius:12px;border:1px solid var(--line);background:#fff;color:var(--ink);font-size:17px;cursor:pointer}
.drawer-nav{display:flex;flex-direction:column;gap:6px;margin-bottom:28px}
.drawer-nav a{
  padding:14px 16px;border-radius:14px;background:var(--paper);color:var(--ink);
  font-size:16px;font-weight:600;border:1px solid var(--line);
}
.drawer-nav a.active{background:var(--mist);border-color:rgba(18,140,123,.3);color:var(--brand-800)}
.drawer-foot{border-top:1px solid var(--line);padding-top:18px;font-size:13px;color:var(--muted);line-height:2}

/* ---------- 页头 ---------- */
.page-hero{position:relative;overflow:hidden;background:var(--brand-900);padding:56px 0 64px}
.page-hero .hero-bg{
  position:absolute;inset:0;background-size:cover;background-position:center;
  opacity:.38;filter:saturate(1.05);
}
.page-hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(135deg,rgba(6,35,31,.92) 0%,rgba(11,95,85,.82) 48%,rgba(18,140,123,.62) 100%);
}
.page-hero::before{
  content:"";position:absolute;inset:0;z-index:1;opacity:.06;
  background-image:radial-gradient(#ffffff 1px,transparent 1px);
  background-size:22px 22px;
}
.page-hero .container{position:relative;z-index:2}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.72);margin-bottom:20px}
.breadcrumb a{color:rgba(255,255,255,.86)}
.breadcrumb a:hover{color:#fff}
.breadcrumb i{font-size:10px;opacity:.6}
.page-hero .kicker{
  display:inline-flex;align-items:center;gap:9px;padding:7px 16px;border-radius:999px;
  background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.24);
  color:#EAFBF5;font-size:13px;font-weight:600;letter-spacing:.5px;margin-bottom:20px;
}
.page-hero h1{
  color:#fff;font-size:30px;line-height:1.28;font-weight:800;letter-spacing:-.4px;
  max-width:860px;margin-bottom:18px;
}
.page-hero .lead{color:rgba(255,255,255,.86);font-size:16px;line-height:1.8;max-width:720px;margin-bottom:30px}
.hero-badges{display:flex;gap:14px;overflow-x:auto;padding-bottom:6px;scroll-snap-type:x mandatory}
.hero-badges::-webkit-scrollbar{height:4px}
.hero-badges::-webkit-scrollbar-thumb{background:rgba(255,255,255,.28);border-radius:4px}
.badge-card{
  flex:0 0 auto;min-width:150px;padding:14px 18px;border-radius:var(--radius-md);
  background:rgba(255,255,255,.10);border:1px solid rgba(255,255,255,.2);
  backdrop-filter:blur(6px);scroll-snap-align:start;
  transition:background .2s ease,transform .2s ease,border-color .2s ease;
}
.badge-card:hover{background:rgba(255,255,255,.16);border-color:rgba(53,208,165,.6);transform:translateY(-3px)}
.badge-card .num{display:block;color:#fff;font-size:28px;font-weight:700;line-height:1.15;font-variant-numeric:tabular-nums}
.badge-card .lbl{display:block;font-size:13px;color:rgba(255,255,255,.78);margin-top:4px}

/* ---------- 主体 ---------- */
.main-section{padding:56px 0 24px}
@media (min-width:768px){ .main-section{padding:76px 0 32px} }

.toc-wrap{position:sticky;top:104px}
.toc-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:24px 22px;box-shadow:var(--shadow-card);
}
.toc-title{display:flex;align-items:center;gap:10px;font-size:16px;font-weight:700;color:var(--ink);margin-bottom:6px}
.toc-title i{color:var(--brand-700)}
.toc-note{font-size:13px;color:var(--muted);margin-bottom:18px}
.toc-group{margin-bottom:18px}
.toc-group:last-child{margin-bottom:0}
.toc-group-name{
  font-size:12px;font-weight:700;letter-spacing:1.2px;color:var(--brand-700);
  padding:0 0 8px 2px;border-bottom:1px dashed var(--line);margin-bottom:8px;
}
.toc-item{
  display:flex;align-items:center;gap:10px;padding:9px 10px;border-radius:12px;
  color:var(--body-c);font-size:14px;line-height:1.5;
  transition:background .18s ease,color .18s ease,transform .18s ease;
}
.toc-item:hover{background:var(--mist);color:var(--brand-800);transform:translateX(3px)}
.toc-item:focus-visible{outline:2px solid var(--brand-700);outline-offset:2px}
.toc-item .idx{
  flex:0 0 auto;width:22px;height:22px;border-radius:8px;display:grid;place-items:center;
  background:var(--grad-brand);color:#fff;font-size:11px;font-weight:700;font-variant-numeric:tabular-nums;
}
.toc-item .txt{flex:1 1 auto;min-width:0}
.toc-item .cnt{
  flex:0 0 auto;min-width:28px;text-align:center;padding:2px 8px;border-radius:999px;
  background:var(--paper);border:1px solid var(--line);
  font-size:12px;font-weight:700;color:var(--muted);font-variant-numeric:tabular-nums;
}
.toc-item:hover .cnt{background:#fff;border-color:rgba(18,140,123,.35);color:var(--brand-700)}

.toc-cta{margin-top:20px;padding-top:18px;border-top:1px solid var(--line)}
.toc-cta p{font-size:13px;color:var(--muted);margin-bottom:12px}
.toc-cta .btn{width:100%}

/* 长文卡 */
.doc-stack{display:flex;flex-direction:column;gap:24px}
.doc-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:26px 24px;box-shadow:var(--shadow-card);scroll-margin-top:110px;
  transition:box-shadow .2s ease,transform .2s ease,border-color .2s ease;
}
.doc-card:hover{box-shadow:var(--shadow-card-hover);transform:translateY(-4px);border-color:rgba(18,140,123,.28)}
@media (min-width:768px){ .doc-card{padding:32px 34px} }
.doc-head{display:flex;flex-wrap:wrap;align-items:center;gap:12px;margin-bottom:16px}
.doc-head h2{font-size:22px;font-weight:700;position:relative;padding-left:16px}
.doc-head h2::before{
  content:"";position:absolute;left:0;top:5px;bottom:5px;width:4px;border-radius:4px;
  background:var(--grad-accent);
}
.chip{
  display:inline-flex;align-items:center;padding:4px 12px;border-radius:999px;
  background:var(--mist);color:var(--brand-800);font-size:12px;font-weight:700;
}
.chip-accent{background:var(--grad-accent);color:#fff}
.doc-card h3{font-size:17px;font-weight:600;color:var(--ink);margin:22px 0 10px}

.dot-list{list-style:none;padding:0;margin:0 0 1.4em}
.dot-list li{position:relative;padding-left:26px;margin-bottom:10px;line-height:1.7}
.dot-list li::before{
  content:"";position:absolute;left:2px;top:11px;width:9px;height:9px;border-radius:999px;
  background:var(--grad-brand);
}
.num-list{list-style:none;counter-reset:step;padding:0;margin:0 0 1.4em}
.num-list li{
  counter-increment:step;position:relative;padding-left:40px;margin-bottom:12px;line-height:1.7;
}
.num-list li::before{
  content:counter(step);position:absolute;left:0;top:1px;width:26px;height:26px;border-radius:9px;
  display:grid;place-items:center;background:var(--mist);color:var(--brand-800);
  font-size:13px;font-weight:700;font-variant-numeric:tabular-nums;
}
.quote{
  margin:0 0 1.4em;padding:16px 20px;border-left:4px solid var(--brand-700);
  background:var(--mist);border-radius:0 var(--radius-md) var(--radius-md) 0;
  color:var(--brand-900);font-size:15px;line-height:1.75;
}
.figure{margin:22px 0 6px}
.figure .frame{
  position:relative;width:100%;aspect-ratio:16/9;border-radius:20px;overflow:hidden;
  background:var(--grad-brand);box-shadow:var(--shadow-card);
}
.figure .frame img{width:100%;height:100%;object-fit:cover}
.figcap{font-size:13px;color:var(--muted);text-align:center;margin-top:10px}

.mini-stats{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin:0 0 1.4em}
@media (min-width:640px){ .mini-stats{grid-template-columns:repeat(4,minmax(0,1fr))} }
.mini-stat{
  padding:14px 16px;border-radius:var(--radius-md);background:var(--paper);
  border:1px solid var(--line);text-align:left;transition:background .2s ease,border-color .2s ease;
}
.mini-stat:hover{background:var(--mist);border-color:rgba(18,140,123,.3)}
.mini-stat b{display:block;font-size:22px;font-weight:700;color:var(--brand-800);font-variant-numeric:tabular-nums;line-height:1.2}
.mini-stat span{font-size:13px;color:var(--muted)}

/* FAQ */
.faq-list{display:flex;flex-direction:column;gap:0}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item:last-child{border-bottom:none}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:14px;
  padding:16px 0;font-size:15px;font-weight:600;color:var(--ink);transition:color .2s ease;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{color:var(--brand-700)}
.faq-item summary:focus-visible{outline:2px solid var(--brand-700);outline-offset:3px;border-radius:8px}
.faq-item summary .caret{
  flex:0 0 auto;width:26px;height:26px;border-radius:9px;display:grid;place-items:center;
  background:var(--mist);color:var(--brand-800);font-size:11px;transition:transform .22s ease,background .22s ease;
}
.faq-item[open] summary .caret{transform:rotate(180deg);background:var(--grad-accent);color:#fff}
.faq-body{font-size:15px;line-height:1.78;color:var(--body-c);padding:0 0 18px}

/* 底部横条 CTA */
.cta-bar{background:var(--brand-900);position:relative;overflow:hidden;margin-top:56px}
.cta-bar::before{
  content:"";position:absolute;inset:0;opacity:.07;
  background-image:radial-gradient(#ffffff 1px,transparent 1px);background-size:22px 22px;
}
.cta-bar::after{
  content:"";position:absolute;right:-120px;top:-120px;width:360px;height:360px;border-radius:50%;
  background:radial-gradient(circle,rgba(53,208,165,.4),transparent 68%);
}
.cta-bar-inner{
  position:relative;z-index:2;padding:36px 0;
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:22px;
}
@media (min-width:768px){ .cta-bar-inner{padding:44px 0} }
.cta-bar h2{color:#fff;font-size:23px;font-weight:700;margin-bottom:10px}
.cta-bar p{color:rgba(255,255,255,.78);font-size:15px;max-width:620px;margin:0}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px}
.cta-bar .btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.4)}
.cta-bar .btn-ghost:hover{background:rgba(255,255,255,.12);color:#fff}

/* ---------- 页脚 ---------- */
footer.site-footer{background:var(--brand-900);color:rgba(255,255,255,.72);padding:56px 0 26px;position:relative;overflow:hidden}
footer.site-footer::before{
  content:"";position:absolute;left:-140px;bottom:-160px;width:380px;height:380px;border-radius:50%;
  background:radial-gradient(circle,rgba(18,140,123,.42),transparent 70%);
}
footer.site-footer .container{position:relative;z-index:2}
.footer-grid{display:grid;grid-template-columns:1fr;gap:32px;padding-bottom:34px;border-bottom:1px solid rgba(255,255,255,.12)}
@media (min-width:640px){ .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))} }
@media (min-width:1024px){ .footer-grid{grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px} }
footer.site-footer .logo{align-items:center}
footer.site-footer .logo-main{color:#fff}
footer.site-footer .logo-sub{color:rgba(255,255,255,.5)}
.footer-brand p{font-size:14px;line-height:1.85;color:rgba(255,255,255,.66);margin-top:14px;max-width:340px}
.footer-title{color:#fff;font-size:15px;font-weight:700;margin-bottom:16px}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a{color:rgba(255,255,255,.7);font-size:14px;transition:color .2s ease,transform .2s ease;display:inline-block}
.footer-links a:hover{color:var(--brand-300);transform:translateX(3px)}
.footer-contact{display:flex;flex-direction:column;gap:12px}
.footer-contact div{display:flex;align-items:flex-start;gap:10px;font-size:14px;color:rgba(255,255,255,.7);line-height:1.6}
.footer-contact i{color:var(--brand-300);margin-top:4px;font-size:13px}
.footer-bottom{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:10px;
  padding-top:20px;font-size:13px;color:rgba(255,255,255,.52);
}

@media (max-width:1023px){
  header.site-header nav.nav-links{display:none}
  .menu-toggle{display:grid}
  .status-tag,.count-pill{display:none}
  .toc-wrap{position:static}
  .cta-actions{width:100%}
  .cta-actions .btn{flex:1 1 auto}
}
@media (max-width:640px){
  .page-hero{padding:40px 0 48px}
  .page-hero h1{font-size:27px}
  header.site-header .logo-main{font-size:15px}
  .doc-head h2{font-size:20px}
  .header-side .btn-sm{padding:0 14px;font-size:13px}
}
@media (max-width:520px){
  header.site-header .logo-sub{display:none}
  .cta-bar h2{font-size:20px}
}

/* roulang page: category3 */
:root{
    --brand-900:#0B5F55;
    --brand-700:#128C7B;
    --brand-400:#35D0A5;
    --accent-500:#FF7A45;
    --accent-400:#FFB259;
    --paper:#F7F6F2;
    --mist:#E6F3EF;
    --dark:#06231F;
    --ink:#10221F;
    --body:#4A5C58;
    --muted:#7C8C88;
    --line:#E3E8E5;
    --white:#FFFFFF;
    --radius-lg:24px;
    --radius-md:16px;
    --radius-btn:14px;
    --shadow-brand:0 12px 32px -14px rgba(11,95,85,.35);
    --shadow-brand-lg:0 18px 44px -16px rgba(11,95,85,.45);
    --shadow-soft:0 8px 24px -16px rgba(6,35,31,.28);
    --grad-brand:linear-gradient(135deg,#0B5F55 0%,#128C7B 55%,#35D0A5 100%);
    --grad-accent:linear-gradient(135deg,#FF7A45 0%,#FFB259 100%);
  }

  *,*::before,*::after{box-sizing:border-box}
  html{scroll-behavior:smooth;scroll-padding-top:96px}
  body{
    margin:0;
    font-family:"PingFang SC","Hiragino Sans GB","Noto Sans SC","Microsoft YaHei",system-ui,sans-serif;
    font-size:16px;
    line-height:1.75;
    color:var(--body);
    background:var(--paper);
    -webkit-font-smoothing:antialiased;
    overflow-x:hidden;
  }
  h1,h2,h3,h4{color:var(--ink);margin:0;line-height:1.28;font-weight:700}
  h1{font-size:30px;font-weight:800;letter-spacing:-.4px}
  h2{font-size:26px}
  h3{font-size:19px;font-weight:600}
  h4{font-size:16px;font-weight:600}
  p{margin:0}
  a{color:inherit;text-decoration:none}
  img{display:block;max-width:100%}
  ul{margin:0;padding:0;list-style:none}
  button,input,select{font-family:inherit;font-size:inherit}
  ::selection{background:rgba(53,208,165,.35);color:var(--ink)}
  .num{font-variant-numeric:tabular-nums;letter-spacing:-.02em}

  @media (min-width:768px){
    h1{font-size:40px}
    h2{font-size:30px}
    h3{font-size:20px}
  }

  .container{width:100%;max-width:1200px;margin:0 auto;padding-left:20px;padding-right:20px}
  @media (min-width:768px){ .container{padding-left:32px;padding-right:32px} }

  .section{padding:64px 0}
  @media (min-width:768px){ .section{padding:96px 0} }
  .section-mist{background:var(--mist)}
  .section-paper{background:var(--paper)}
  .section-white{background:#fff}
  .section-dark{background:var(--dark);color:#C7E2DB}

  .eyebrow{
    display:inline-flex;align-items:center;gap:8px;
    font-size:13px;font-weight:600;letter-spacing:.08em;
    color:var(--brand-700);text-transform:uppercase;
    background:rgba(53,208,165,.14);border:1px solid rgba(18,140,123,.25);
    padding:6px 14px;border-radius:999px;
  }
  .section-head{max-width:760px;margin-bottom:36px}
  .section-head h2{margin-top:16px}
  .section-head h2::before{
    content:"";display:inline-block;width:6px;height:22px;border-radius:3px;
    background:var(--grad-accent);margin-right:12px;vertical-align:-3px;
  }
  .section-head p{margin-top:14px;color:var(--muted);font-size:15.5px;line-height:1.8}
  .section-head.center{margin-left:auto;margin-right:auto;text-align:center}
  .section-head.center h2::before{display:none}
  .section-dark .section-head h2{color:#fff}
  .section-dark .section-head p{color:#9DC4BC}

  /* ---------- Header ---------- */
  .site-header{
    position:sticky;top:0;z-index:60;
    background:rgba(247,246,242,.86);
    backdrop-filter:blur(14px);
    -webkit-backdrop-filter:blur(14px);
    border-bottom:1px solid rgba(227,232,229,.9);
    transition:box-shadow .22s ease,background .22s ease;
  }
  .site-header.scrolled{
    background:rgba(255,255,255,.94);
    box-shadow:0 10px 30px -22px rgba(6,35,31,.5);
  }
  .header-inner{display:flex;align-items:center;gap:18px;height:72px}
  @media (min-width:1024px){ .header-inner{height:76px} }

  .logo{display:flex;align-items:center;gap:10px;flex-shrink:0}
  .logo-mark{
    width:38px;height:38px;border-radius:12px;display:grid;place-items:center;
    background:var(--grad-brand);color:#fff;font-size:16px;
    box-shadow:var(--shadow-brand);
  }
  .logo-text{display:flex;flex-direction:column;line-height:1.15}
  .logo-main{font-size:16px;font-weight:800;color:var(--ink);letter-spacing:-.2px}
  .logo-sub{font-size:9.5px;letter-spacing:.22em;color:var(--brand-700);font-weight:600}

  .nav-links{display:none;align-items:center;gap:4px;margin-left:8px}
  @media (min-width:1024px){ .nav-links{display:flex} }
  .nav-link{
    position:relative;padding:9px 14px;border-radius:12px;
    font-size:14.5px;font-weight:500;color:var(--body);
    transition:color .18s ease,background .18s ease;
  }
  .nav-link::after{
    content:"";position:absolute;left:14px;right:14px;bottom:4px;height:2px;border-radius:2px;
    background:var(--grad-brand);transform:scaleX(0);transform-origin:left;
    transition:transform .22s ease;
  }
  .nav-link:hover{color:var(--brand-900);background:rgba(230,243,239,.75)}
  .nav-link:hover::after{transform:scaleX(1)}
  .nav-link.active{color:var(--brand-900);font-weight:600;background:rgba(53,208,165,.14)}
  .nav-link.active::after{transform:scaleX(1)}

  .header-actions{display:flex;align-items:center;gap:10px;margin-left:auto}
  .status-pill{
    display:none;align-items:center;gap:7px;
    padding:6px 12px;border-radius:999px;background:#fff;
    border:1px solid var(--line);font-size:12.5px;color:var(--brand-900);font-weight:600;
  }
  @media (min-width:1180px){ .status-pill{display:inline-flex} }
  .status-dot{
    width:7px;height:7px;border-radius:50%;background:var(--brand-400);
    box-shadow:0 0 0 0 rgba(53,208,165,.6);animation:pulse 2.2s infinite;
  }
  @keyframes pulse{
    0%{box-shadow:0 0 0 0 rgba(53,208,165,.55)}
    70%{box-shadow:0 0 0 9px rgba(53,208,165,0)}
    100%{box-shadow:0 0 0 0 rgba(53,208,165,0)}
  }
  .time-pill{
    display:none;align-items:center;gap:7px;padding:6px 12px;border-radius:999px;
    background:#fff;border:1px solid var(--line);font-size:12.5px;color:var(--muted);
  }
  @media (min-width:1180px){ .time-pill{display:inline-flex} }
  .time-pill b{color:var(--brand-900);font-weight:700}

  .nav-toggle{
    width:42px;height:42px;border-radius:12px;border:1px solid var(--line);background:#fff;
    color:var(--brand-900);display:grid;place-items:center;cursor:pointer;
    transition:background .18s ease,transform .18s ease;
  }
  .nav-toggle:hover{background:var(--mist)}
  .nav-toggle:active{transform:scale(.96)}
  @media (min-width:1024px){ .nav-toggle{display:none} }

  .mobile-drawer{
    position:fixed;inset:0;z-index:80;background:rgba(6,35,31,.98);
    color:#DCEEE9;padding:24px 22px 34px;
    display:flex;flex-direction:column;gap:22px;
    transform:translateY(-100%);opacity:0;pointer-events:none;
    transition:transform .3s ease,opacity .3s ease;overflow-y:auto;
  }
  .mobile-drawer.open{transform:translateY(0);opacity:1;pointer-events:auto}
  .drawer-top{display:flex;align-items:center;justify-content:space-between}
  .drawer-close{
    width:40px;height:40px;border-radius:12px;border:1px solid rgba(220,238,233,.25);
    background:transparent;color:#DCEEE9;cursor:pointer;
  }
  .drawer-links{display:flex;flex-direction:column;gap:6px;margin-top:6px}
  .drawer-links a{
    padding:14px 16px;border-radius:14px;background:rgba(255,255,255,.05);
    font-size:15.5px;font-weight:500;color:#DCEEE9;
  }
  .drawer-links a.active{
    background:var(--grad-brand);color:#fff;font-weight:600;
  }
  .drawer-note{font-size:13px;color:#8FB5AE;line-height:1.7;border-top:1px solid rgba(255,255,255,.1);padding-top:18px}

  /* ---------- Buttons ---------- */
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    height:46px;padding:0 24px;border-radius:var(--radius-btn);
    font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;
    white-space:nowrap;transition:transform .18s ease,box-shadow .18s ease,background .18s ease,filter .18s ease;
  }
  .btn-primary{
    background:var(--grad-brand);color:#fff;
    box-shadow:0 12px 32px -14px rgba(11,95,85,.55);
    position:relative;overflow:hidden;
  }
  .btn-primary::after{
    content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(255,255,255,.22),rgba(255,255,255,0) 55%);
    pointer-events:none;
  }
  .btn-primary:hover{filter:brightness(1.06);transform:translateY(-2px);box-shadow:0 18px 38px -14px rgba(11,95,85,.6)}
  .btn-primary:active{transform:scale(.98)}
  .btn-ghost{background:#fff;border-color:var(--brand-700);color:var(--brand-900)}
  .btn-ghost:hover{background:var(--mist);transform:translateY(-2px)}
  .btn-ghost:active{transform:scale(.98)}
  .btn-light{background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.35);color:#fff}
  .btn-light:hover{background:rgba(255,255,255,.2);transform:translateY(-2px)}
  .btn-sm{height:40px;padding:0 18px;font-size:14px;border-radius:12px}
  .btn:focus-visible{outline:2px solid var(--brand-700);outline-offset:2px}

  /* ---------- Hero ---------- */
  .hero{
    position:relative;
    background-image:linear-gradient(135deg,rgba(6,35,31,.80) 0%,rgba(11,95,85,.66) 55%,rgba(18,140,123,.60) 100%),url('/assets/images/backpic/back-1.png');
    background-size:cover;background-position:center;
    color:#E7F5F1;overflow:hidden;
    padding:56px 0 68px;
  }
  @media (min-width:768px){ .hero{padding:78px 0 92px} }
  .hero::after{
    content:"";position:absolute;inset:0;pointer-events:none;
    background-image:radial-gradient(rgba(255,255,255,.16) 1px,transparent 1px);
    background-size:26px 26px;opacity:.16;
  }
  .hero-inner{position:relative;z-index:2;display:grid;gap:40px}
  @media (min-width:1024px){ .hero-inner{grid-template-columns:1.15fr .85fr;align-items:center;gap:52px} }
  .hero h1{color:#fff;font-size:30px;line-height:1.26}
  @media (min-width:768px){ .hero h1{font-size:42px} }
  .hero h1 span{
    background:linear-gradient(120deg,#7DF3CE,#35D0A5 55%,#BFF7E6);
    -webkit-background-clip:text;background-clip:text;color:transparent;
  }
  .hero-lead{margin-top:20px;font-size:15.5px;line-height:1.85;color:#BBDFD7;max-width:620px}
  .hero-lead strong{color:#fff;font-weight:600}
  .hero-note{
    margin-top:16px;display:inline-flex;align-items:center;gap:9px;
    font-size:13.5px;color:#9FD8CB;background:rgba(255,255,255,.08);
    border:1px solid rgba(255,255,255,.16);border-radius:999px;padding:7px 15px;
  }
  .hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
  .hero-stats{display:flex;gap:12px;margin-top:34px;overflow-x:auto;padding-bottom:6px;scroll-snap-type:x mandatory}
  .hero-stats::-webkit-scrollbar{height:4px}
  .hero-stats::-webkit-scrollbar-thumb{background:rgba(255,255,255,.3);border-radius:4px}
  .stat-badge{
    flex:0 0 auto;scroll-snap-align:start;min-width:138px;
    background:rgba(255,255,255,.10);border:1px solid rgba(255,255,255,.22);
    border-radius:16px;padding:14px 16px;backdrop-filter:blur(6px);
  }
  .stat-badge .val{font-size:26px;font-weight:700;color:#fff}
  .stat-badge .lab{font-size:12.5px;color:#A8CFC7;margin-top:4px}

  .hero-card{
    background:rgba(255,255,255,.96);border-radius:var(--radius-lg);
    box-shadow:0 24px 60px -24px rgba(0,0,0,.5);padding:24px;
    color:var(--body);
  }
  .hero-card-top{display:flex;align-items:center;justify-content:space-between;gap:12px}
  .hero-card-top .tagline{font-size:13px;color:var(--muted)}
  .hero-card h3{margin-top:6px}
  .hero-thumb{
    margin-top:16px;border-radius:var(--radius-md);overflow:hidden;aspect-ratio:16/9;background:var(--mist);
  }
  .hero-thumb img{width:100%;height:100%;object-fit:cover}
  .hero-list{margin-top:18px;display:flex;flex-direction:column;gap:11px}
  .hero-list li{display:flex;gap:10px;align-items:flex-start;font-size:14.5px;color:var(--body)}
  .hero-list i{color:var(--brand-700);margin-top:5px;font-size:12px}
  .hero-card-foot{
    margin-top:20px;padding-top:16px;border-top:1px dashed var(--line);
    display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:13px;color:var(--muted);
  }

  /* ---------- Filter pills ---------- */
  .filter-bar{display:flex;gap:10px;overflow-x:auto;padding:6px 0 10px;scroll-snap-type:x mandatory}
  .filter-bar::-webkit-scrollbar{height:4px}
  .filter-bar::-webkit-scrollbar-thumb{background:var(--line);border-radius:4px}
  .filter-pill{
    flex:0 0 auto;scroll-snap-align:start;
    border:1px solid var(--line);background:#fff;color:var(--body);
    padding:9px 18px;border-radius:999px;font-size:14px;font-weight:500;cursor:pointer;
    transition:all .18s ease;
  }
  .filter-pill:hover{border-color:var(--brand-400);color:var(--brand-900);background:var(--mist)}
  .filter-pill.active{
    background:var(--grad-brand);color:#fff;border-color:transparent;font-weight:600;
    box-shadow:var(--shadow-brand);
  }
  .filter-pill:focus-visible{outline:2px solid var(--brand-700);outline-offset:2px}

  /* ---------- QA cards (瀑布) ---------- */
  .qa-grid{display:grid;grid-template-columns:1fr;gap:24px;align-items:start}
  @media (min-width:900px){ .qa-grid{grid-template-columns:repeat(2,1fr)} }
  .qa-card{
    background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
    padding:24px;box-shadow:var(--shadow-soft);
    transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
  }
  @media (min-width:768px){ .qa-card{padding:28px} }
  .qa-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-brand-lg);border-color:rgba(53,208,165,.5)}
  .qa-card.hide{display:none}
  .qa-thumb{
    border-radius:var(--radius-md);overflow:hidden;aspect-ratio:16/9;background:var(--mist);margin-bottom:20px;
  }
  .qa-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
  .qa-card:hover .qa-thumb img{transform:scale(1.04)}
  .qa-placeholder{
    border-radius:var(--radius-md);aspect-ratio:16/9;margin-bottom:20px;
    display:grid;place-items:center;color:#fff;font-size:34px;font-weight:800;
    background:var(--grad-brand);letter-spacing:.02em;
  }
  .pill{
    display:inline-flex;align-items:center;gap:6px;
    padding:5px 13px;border-radius:999px;font-size:12.5px;font-weight:600;
    background:rgba(53,208,165,.14);color:var(--brand-900);
  }
  .pill-warn{background:var(--grad-accent);color:#fff}
  .qa-card h3{margin-top:14px;line-height:1.45}
  .qa-symptom{
    margin-top:12px;font-size:15px;color:var(--body);line-height:1.8;
    padding-left:14px;border-left:3px solid var(--line);
  }
  .qa-block{margin-top:18px}
  .qa-block .label{
    font-size:13px;font-weight:700;color:var(--brand-900);letter-spacing:.02em;
    display:flex;align-items:center;gap:7px;margin-bottom:9px;
  }
  .qa-block .label i{color:var(--brand-400)}
  .qa-list{display:flex;flex-direction:column;gap:8px}
  .qa-list li{
    display:flex;gap:10px;align-items:flex-start;font-size:14.5px;color:var(--body);line-height:1.7;
  }
  .qa-list li .num-dot{
    flex:0 0 auto;width:20px;height:20px;border-radius:50%;margin-top:3px;
    display:grid;place-items:center;font-size:11px;font-weight:700;color:#fff;
    background:var(--grad-brand);font-variant-numeric:tabular-nums;
  }
  .qa-list li .dot{
    flex:0 0 auto;width:6px;height:6px;border-radius:50%;background:var(--brand-400);margin-top:9px;
  }
  .qa-foot{
    margin-top:20px;padding-top:15px;border-top:1px dashed var(--line);
    display:flex;align-items:center;justify-content:space-between;gap:12px;
    font-size:13px;color:var(--muted);
  }
  .qa-foot .link{
    color:var(--brand-900);font-weight:600;display:inline-flex;align-items:center;gap:6px;
    transition:gap .18s ease;
  }
  .qa-foot .link:hover{gap:10px}

  /* ---------- Data badges ---------- */
  .data-badges{display:flex;gap:16px;overflow-x:auto;padding:6px 0 14px;scroll-snap-type:x mandatory}
  .data-badge{
    flex:0 0 auto;scroll-snap-align:start;min-width:196px;
    background:#fff;border-radius:16px;padding:22px;
    border:1px solid transparent;
    background-image:linear-gradient(#fff,#fff),var(--grad-brand);
    background-origin:border-box;background-clip:padding-box,border-box;
    box-shadow:var(--shadow-soft);transition:transform .18s ease,box-shadow .18s ease;
  }
  @media (min-width:768px){ .data-badges{display:grid;grid-template-columns:repeat(4,1fr);overflow:visible} .data-badge{min-width:0} }
  .data-badge:hover{transform:translateY(-4px);box-shadow:var(--shadow-brand-lg)}
  .data-badge .val{font-size:30px;font-weight:700;color:var(--brand-900)}
  .data-badge .val small{font-size:15px;font-weight:600;margin-left:2px}
  .data-badge .lab{margin-top:6px;font-size:13.5px;color:var(--muted);line-height:1.6}

  /* ---------- Steps ---------- */
  .steps{display:grid;gap:20px}
  @media (min-width:640px){ .steps{grid-template-columns:repeat(2,1fr)} }
  @media (min-width:1024px){ .steps{grid-template-columns:repeat(4,1fr)} }
  .step{
    position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
    padding:26px 24px;box-shadow:var(--shadow-soft);transition:transform .18s ease,box-shadow .18s ease;
  }
  .step:hover{transform:translateY(-4px);box-shadow:var(--shadow-brand-lg)}
  .step .idx{
    display:inline-grid;place-items:center;width:40px;height:40px;border-radius:13px;
    background:var(--grad-brand);color:#fff;font-weight:700;font-size:15px;
    font-variant-numeric:tabular-nums;
  }
  .step h3{margin-top:16px;font-size:18px}
  .step p{margin-top:9px;font-size:14.5px;color:var(--muted);line-height:1.75}
  .step::before{
    content:"";position:absolute;left:24px;right:24px;top:0;height:3px;border-radius:3px;
    background:var(--grad-accent);opacity:0;transition:opacity .2s ease;
  }
  .step:hover::before{opacity:1}

  /* ---------- Compare two columns ---------- */
  .compare{display:grid;gap:24px}
  @media (min-width:900px){ .compare{grid-template-columns:1fr 1fr} }
  .compare-card{
    background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
    padding:28px;box-shadow:var(--shadow-soft);
  }
  .compare-card h3{display:flex;align-items:center;gap:10px}
  .compare-card h3 .ic{
    width:34px;height:34px;border-radius:11px;display:grid;place-items:center;font-size:15px;color:#fff;
    background:var(--grad-brand);
  }
  .compare-card.warn h3 .ic{background:var(--grad-accent)}
  .compare-list{margin-top:18px;display:flex;flex-direction:column;gap:12px}
  .compare-list li{
    display:flex;gap:11px;align-items:flex-start;font-size:14.8px;line-height:1.72;
    padding:13px 15px;border-radius:14px;background:var(--paper);
  }
  .compare-list li i{margin-top:5px;font-size:13px;color:var(--brand-700);flex:0 0 auto}
  .compare-card.warn .compare-list li i{color:var(--accent-500)}

  /* ---------- FAQ ---------- */
  .faq-card{
    background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
    padding:8px 24px;box-shadow:var(--shadow-soft);
  }
  @media (min-width:768px){ .faq-card{padding:10px 32px} }
  .faq-item{border-bottom:1px solid var(--line)}
  .faq-item:last-child{border-bottom:0}
  .faq-item summary{
    list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:18px;
    padding:20px 0;font-size:16px;font-weight:600;color:var(--ink);line-height:1.5;
  }
  .faq-item summary::-webkit-details-marker{display:none}
  .faq-item summary .chev{
    flex:0 0 auto;width:28px;height:28px;border-radius:9px;display:grid;place-items:center;
    background:var(--mist);color:var(--brand-900);font-size:12px;
    transition:transform .22s ease,background .22s ease;
  }
  .faq-item summary:hover{color:var(--brand-900)}
  .faq-item summary:hover .chev{background:rgba(53,208,165,.3)}
  .faq-item[open] summary .chev{transform:rotate(180deg);background:var(--grad-brand);color:#fff}
  .faq-body{padding:0 0 22px;font-size:15px;line-height:1.8;color:var(--body);max-width:900px}
  .faq-body p + p{margin-top:10px}

  /* ---------- CTA band ---------- */
  .cta-band{
    position:relative;overflow:hidden;border-radius:var(--radius-lg);
    background:var(--grad-brand);color:#fff;padding:44px 28px;
    box-shadow:0 26px 60px -26px rgba(11,95,85,.6);
  }
  @media (min-width:768px){ .cta-band{padding:56px 52px} }
  .cta-band::before{
    content:"";position:absolute;right:-70px;top:-70px;width:260px;height:260px;border-radius:50%;
    background:radial-gradient(circle,rgba(255,255,255,.22),rgba(255,255,255,0) 70%);
  }
  .cta-band::after{
    content:"";position:absolute;left:-50px;bottom:-90px;width:220px;height:220px;border-radius:50%;
    background:radial-gradient(circle,rgba(255,178,89,.35),rgba(255,178,89,0) 70%);
  }
  .cta-inner{position:relative;z-index:2;display:grid;gap:26px}
  @media (min-width:900px){ .cta-inner{grid-template-columns:1.4fr .6fr;align-items:center} }
  .cta-band h2{color:#fff;font-size:24px}
  @media (min-width:768px){ .cta-band h2{font-size:30px} }
  .cta-band p{margin-top:14px;color:rgba(255,255,255,.88);font-size:15.5px;line-height:1.8;max-width:640px}
  .cta-actions{display:flex;flex-wrap:wrap;gap:14px}
  @media (min-width:900px){ .cta-actions{justify-content:flex-end} }

  /* ---------- Footer ---------- */
  .site-footer{background:var(--dark);color:#9DC4BC;padding:56px 0 26px;margin-top:0}
  .footer-grid{display:grid;gap:34px;grid-template-columns:1fr}
  @media (min-width:640px){ .footer-grid{grid-template-columns:1fr 1fr} }
  @media (min-width:1024px){ .footer-grid{grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px} }
  .footer-brand .logo-main{color:#fff}
  .footer-brand .logo-sub{color:var(--brand-400)}
  .footer-brand .logo-mark{box-shadow:none}
  .footer-brand p{margin-top:14px;font-size:14px;line-height:1.8;color:#8FB5AE;max-width:340px}
  .footer-title{color:#fff;font-size:15px;font-weight:600;margin-bottom:16px}
  .footer-links{display:flex;flex-direction:column;gap:11px}
  .footer-links a{font-size:14.2px;color:#9DC4BC;transition:color .18s ease,transform .18s ease}
  .footer-links a:hover{color:var(--brand-400);transform:translateX(3px)}
  .footer-contact{display:flex;flex-direction:column;gap:13px}
  .footer-contact div{display:flex;gap:10px;align-items:flex-start;font-size:14px;color:#9DC4BC;line-height:1.65}
  .footer-contact i{color:var(--brand-400);margin-top:4px;font-size:13px;flex:0 0 auto}
  .footer-bottom{
    margin-top:40px;padding-top:22px;border-top:1px solid rgba(255,255,255,.1);
    display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;font-size:13px;color:#7FA69E;
  }

  /* ---------- Floating CTA ---------- */
  .float-cta{
    position:fixed;right:24px;bottom:28px;z-index:70;
    opacity:0;pointer-events:none;transform:translateY(14px);
    transition:opacity .25s ease,transform .25s ease;
  }
  .float-cta.show{opacity:1;pointer-events:auto;transform:translateY(0)}
  @media (max-width:767px){
    .float-cta{
      left:0;right:0;bottom:0;transform:translateY(100%);
      padding:8px 14px calc(8px + env(safe-area-inset-bottom));
      background:rgba(6,35,31,.94);backdrop-filter:blur(10px);
      border-top:1px solid rgba(255,255,255,.12);
    }
    .float-cta.show{transform:translateY(0)}
    .float-cta .btn{width:100%;height:48px}
  }

  @media (prefers-reduced-motion:reduce){
    *{animation:none !important;transition:none !important}
  }