/* roulang page: index */
:root{
  --bg:#F7F3EC;
  --bg-soft:#EDF4F0;
  --card:#FFFFFF;
  --ink:#17231F;
  --muted:#5C6B65;
  --line:#DCE5DF;
  --primary:#176B5B;
  --primary-deep:#0F4E43;
  --primary-soft:#DCEBE6;
  --accent:#C96A4A;
  --accent-ink:#9E4832;
  --accent-soft:#F4DCD2;
  --focus:rgba(201,106,74,.32);
  --nav-bg:#FBF8F2;
  --footer-bg:#12201B;
  --footer-ink:#E9F0EC;
  --r-sm:8px;
  --r-md:10px;
  --r-lg:16px;
  --r-xl:22px;
  --shadow:0 8px 24px rgba(23,35,31,.06);
  --shadow-hover:0 14px 32px rgba(23,35,31,.10);
  --shadow-nav:0 6px 18px rgba(23,35,31,.06);
  --ease:200ms ease-out;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Microsoft YaHei",sans-serif;
  background:var(--bg);
  color:var(--ink);
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:var(--primary);text-decoration:none;transition:color var(--ease);}
a:hover{color:var(--primary-deep);text-decoration:underline;text-underline-offset:3px;}
button{font-family:inherit;cursor:pointer;}
input,select,textarea{font-family:inherit;font-size:15px;color:var(--ink);}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{padding:0;list-style:none;}
:focus-visible{outline:3px solid var(--focus);outline-offset:2px;border-radius:4px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
.eyebrow{font-size:12px;font-weight:600;letter-spacing:.16em;color:var(--accent-ink);text-transform:none;}
.section{padding:88px 0;}
.section--soft{background:var(--bg-soft);}
.section-head{max-width:760px;margin-bottom:34px;}
.section-head h2{font-size:clamp(24px,2.6vw,32px);line-height:1.35;font-weight:700;margin-top:10px;}
.section-head p{margin-top:12px;color:var(--muted);font-size:15px;}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:0 20px;border-radius:var(--r-md);
  font-size:15px;font-weight:600;line-height:1;
  border:1px solid transparent;transition:transform var(--ease),background var(--ease),color var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.btn--primary{background:var(--primary);color:#FBF8F2;}
.btn--primary:hover{background:var(--primary-deep);color:#FBF8F2;transform:translateY(-1px);text-decoration:none;}
.btn--primary:active{transform:translateY(0);}
.btn--ghost{background:var(--card);color:var(--primary);border-color:var(--primary);}
.btn--ghost:hover{background:var(--primary-soft);color:var(--primary-deep);transform:translateY(-1px);text-decoration:none;}
.btn--light{background:#FBF8F2;color:var(--primary-deep);}
.btn--light:hover{background:#FFFFFF;color:var(--primary-deep);transform:translateY(-1px);text-decoration:none;}
.btn--outline-light{background:transparent;color:#E9F0EC;border-color:rgba(233,240,236,.5);}
.btn--outline-light:hover{background:rgba(233,240,236,.1);color:#FFFFFF;text-decoration:none;}
.badge{display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:999px;font-size:12px;font-weight:600;line-height:1;}
.badge--accent{background:var(--accent-soft);color:var(--accent-ink);}
.badge--primary{background:var(--primary-soft);color:var(--primary-deep);}

/* header */
.site-header{position:sticky;top:0;z-index:60;background:var(--nav-bg);border-bottom:1px solid var(--line);transition:box-shadow var(--ease);}
.site-header.is-scrolled{box-shadow:var(--shadow-nav);}
.header-top{display:flex;align-items:center;gap:24px;height:76px;}
.logo{display:inline-flex;align-items:center;gap:10px;flex-shrink:0;}
.logo:hover{text-decoration:none;}
.logo-mark{width:36px;height:36px;border-radius:10px;background:var(--primary);display:grid;place-items:center;flex-shrink:0;}
.logo-text{font-size:18px;font-weight:700;color:var(--ink);letter-spacing:.01em;line-height:1.2;}
.logo:hover .logo-text{color:var(--primary-deep);}
.search-form{position:relative;flex:1;display:flex;align-items:center;max-width:560px;margin:0 auto;}
.search-form svg{position:absolute;left:16px;width:18px;height:18px;color:var(--muted);pointer-events:none;}
.search-form input{
  width:100%;height:48px;padding:0 92px 0 46px;border-radius:14px;border:1px solid var(--line);
  background:#fff;font-size:14px;transition:border-color var(--ease),box-shadow var(--ease);
}
.search-form input::placeholder{color:#8B9993;}
.search-form input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 4px var(--focus);}
.search-form button{
  position:absolute;right:6px;width:72px;height:36px;border:0;border-radius:10px;
  background:var(--primary);color:#FBF8F2;font-size:14px;font-weight:600;transition:background var(--ease);
}
.search-form button:hover{background:var(--primary-deep);}
.header-actions{display:flex;align-items:center;gap:14px;flex-shrink:0;}
.header-link{font-size:14px;font-weight:600;color:var(--muted);}
.header-link:hover{color:var(--primary-deep);}
.nav-bar{border-top:1px solid transparent;}
.nav-list{display:flex;align-items:center;gap:6px;height:44px;overflow-x:auto;scrollbar-width:none;}
.nav-list::-webkit-scrollbar{display:none;}
.nav-list a{display:inline-flex;align-items:center;height:32px;padding:0 14px;border-radius:999px;font-size:14px;font-weight:500;color:var(--muted);white-space:nowrap;transition:background var(--ease),color var(--ease);}
.nav-list a:hover{color:var(--primary-deep);background:var(--primary-soft);text-decoration:none;}
.nav-list a.is-active{background:var(--primary-soft);color:var(--primary-deep);font-weight:600;}
.menu-toggle{display:none;width:44px;height:44px;border-radius:10px;border:1px solid var(--line);background:#fff;align-items:center;justify-content:center;}
.menu-toggle span{display:block;width:18px;height:2px;background:var(--ink);position:relative;}
.menu-toggle span::before,.menu-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink);}
.menu-toggle span::before{top:-6px;}
.menu-toggle span::after{top:6px;}
.mobile-drawer{display:none;position:fixed;inset:0;z-index:80;background:var(--nav-bg);padding:20px 24px 40px;overflow-y:auto;}
.mobile-drawer.is-open{display:block;}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px;}
.drawer-close{width:44px;height:44px;border-radius:10px;border:1px solid var(--line);background:#fff;font-size:20px;color:var(--ink);line-height:1;}
.drawer-links{display:grid;gap:4px;margin-bottom:24px;}
.drawer-links a{display:flex;align-items:center;justify-content:space-between;min-height:48px;padding:0 4px;border-bottom:1px solid var(--line);font-size:15px;color:var(--ink);font-weight:500;}
.drawer-links a.is-active{color:var(--primary-deep);font-weight:600;}

/* hero */
.hero{position:relative;overflow:hidden;background:linear-gradient(180deg,#F7F3EC 0%,#EDF4F0 100%);padding:64px 0 56px;}
.hero-wave{position:absolute;top:0;right:0;width:520px;height:340px;opacity:.07;pointer-events:none;}
.hero-grid{display:grid;grid-template-columns:7fr 5fr;gap:48px;align-items:center;position:relative;}
.hero-badges{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:18px;}
.hero h1{font-size:clamp(32px,4.2vw,48px);line-height:1.22;font-weight:700;letter-spacing:-.01em;}
.hero-sub{margin-top:18px;font-size:17px;line-height:1.8;color:var(--muted);max-width:520px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px;}
.hero-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:28px;}
.hero-meta span{display:inline-flex;align-items:center;gap:8px;height:32px;padding:0 14px;border-radius:999px;background:#fff;border:1px solid var(--line);font-size:13px;color:var(--muted);}
.hero-meta span::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--accent);}
.hero-visual{position:relative;}
.hero-visual img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--r-xl);border:1px solid var(--line);box-shadow:var(--shadow);}
.hero-card{
  position:absolute;left:-18px;bottom:-26px;width:min(300px,86%);background:#fff;border:1px solid var(--line);
  border-radius:var(--r-lg);padding:18px 20px;box-shadow:var(--shadow-hover);
}
.hero-card strong{display:block;font-size:13px;font-weight:700;color:var(--accent-ink);letter-spacing:.08em;margin-bottom:10px;}
.hero-card ol{display:grid;gap:8px;counter-reset:step;}
.hero-card li{display:flex;gap:10px;font-size:13.5px;line-height:1.6;color:var(--muted);counter-increment:step;}
.hero-card li::before{
  content:counter(step,decimal-leading-zero);flex-shrink:0;width:22px;height:22px;border-radius:6px;
  background:var(--primary-soft);color:var(--primary-deep);font-size:11px;font-weight:700;display:grid;place-items:center;
}
/* anchor bar */
.anchor-bar{position:sticky;top:76px;z-index:50;background:rgba(251,248,242,.96);border-bottom:1px solid var(--line);backdrop-filter:none;}
.anchor-bar .container{display:flex;justify-content:center;gap:4px;overflow-x:auto;scrollbar-width:none;}
.anchor-bar .container::-webkit-scrollbar{display:none;}
.anchor-bar a{display:inline-flex;align-items:center;height:46px;padding:0 15px;font-size:14px;color:var(--muted);white-space:nowrap;border-bottom:2px solid transparent;transition:color var(--ease),border-color var(--ease);}
.anchor-bar a:hover{color:var(--primary-deep);text-decoration:none;}
.anchor-bar a.is-current{color:var(--primary-deep);font-weight:600;border-bottom-color:var(--primary);}

/* value */
.value-grid{display:grid;grid-template-columns:1fr 1fr;gap:0;border-top:1px solid var(--line);}
.value-item{display:flex;gap:18px;padding:32px 28px 32px 0;border-bottom:1px solid var(--line);}
.value-item:nth-child(odd){border-right:1px solid var(--line);}
.value-item:nth-child(even){padding-left:32px;}
.value-num{flex-shrink:0;width:40px;height:40px;border-radius:8px;background:var(--primary-soft);color:var(--primary-deep);display:grid;place-items:center;font-size:14px;font-weight:700;font-variant-numeric:tabular-nums;}
.value-item h3{font-size:20px;line-height:1.5;font-weight:600;}
.value-item p{margin-top:8px;font-size:14.5px;line-height:1.8;color:var(--muted);}

/* demo */
.demo-grid{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;}
.steps{position:relative;margin-top:32px;display:grid;gap:26px;}
.steps::before{content:"";position:absolute;left:15px;top:12px;bottom:12px;width:1px;background:var(--line);}
.step{position:relative;display:flex;gap:18px;}
.step-dot{position:relative;z-index:1;flex-shrink:0;width:31px;height:31px;border-radius:50%;background:#fff;border:1px solid var(--primary);color:var(--primary-deep);display:grid;place-items:center;font-size:12px;font-weight:700;}
.step h3{font-size:17px;font-weight:600;}
.step p{margin-top:6px;font-size:14px;color:var(--muted);line-height:1.75;}
.device-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-xl);padding:14px;box-shadow:var(--shadow);}
.device-card img{width:100%;aspect-ratio:16/11;object-fit:cover;border-radius:14px;}
.device-bar{display:flex;align-items:center;gap:6px;padding:2px 4px 14px;}
.device-bar i{width:8px;height:8px;border-radius:50%;background:var(--line);display:block;}
.device-bar i:first-child{background:var(--accent);}
.device-note{padding:14px 6px 4px;font-size:13px;color:var(--muted);border-top:1px solid var(--line);margin-top:14px;}

/* proof */
.metric-row{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-bottom:32px;}
.metric{padding:26px 24px;background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--shadow);}
.metric b{display:block;font-size:clamp(26px,3vw,34px);font-weight:700;color:var(--primary-deep);font-variant-numeric:tabular-nums;line-height:1.2;}
.metric span{display:block;margin-top:8px;font-size:13.5px;color:var(--muted);}
.proof-cards{display:grid;grid-template-columns:1fr 1fr;gap:24px;}
.proof-card{display:flex;gap:20px;background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:22px;box-shadow:var(--shadow);transition:transform var(--ease),box-shadow var(--ease);}
.proof-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);}
.proof-card img{width:132px;aspect-ratio:16/10;object-fit:cover;border-radius:12px;flex-shrink:0;}
.proof-card h3{font-size:17px;font-weight:600;}
.proof-card p{margin-top:6px;font-size:14px;color:var(--muted);line-height:1.75;}

/* pricing */
.price-list{display:grid;gap:18px;}
.price-row{display:grid;grid-template-columns:200px 1fr 150px 150px;gap:24px;align-items:center;padding:24px;background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);transition:box-shadow var(--ease);}
.price-row:hover{box-shadow:var(--shadow-hover);}
.price-row.is-featured{background:var(--primary-soft);border-color:#C4DCD4;}
.price-name{font-size:18px;font-weight:700;}
.price-name small{display:block;font-size:12px;font-weight:600;color:var(--accent-ink);margin-top:4px;}
.price-points{display:flex;flex-wrap:wrap;gap:8px 18px;}
.price-points li{font-size:13.5px;color:var(--muted);display:flex;align-items:center;gap:7px;}
.price-points li::before{content:"";width:5px;height:5px;border-radius:50%;background:var(--primary);}
.price-amount{font-size:22px;font-weight:700;color:var(--primary-deep);font-variant-numeric:tabular-nums;}
.price-amount small{font-size:12px;font-weight:500;color:var(--muted);display:block;margin-top:2px;}

/* news */
.news-grid{display:grid;grid-template-columns:1.15fr 1fr;gap:32px;}
.news-main{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--shadow);transition:transform var(--ease),box-shadow var(--ease);display:flex;flex-direction:column;}
.news-main:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);}
.news-main img{width:100%;aspect-ratio:16/10;object-fit:cover;}
.news-main-body{padding:22px 24px 24px;display:flex;flex-direction:column;gap:10px;flex:1;}
.news-main h3{font-size:19px;line-height:1.55;font-weight:600;}
.news-main p{font-size:14px;color:var(--muted);line-height:1.75;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-meta{display:flex;align-items:center;gap:12px;font-size:12.5px;color:var(--muted);font-variant-numeric:tabular-nums;}
.news-list{display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;}
.news-row{display:grid;grid-template-columns:1fr auto;gap:14px;padding:18px 22px;border-bottom:1px solid var(--line);transition:background var(--ease);}
.news-row:last-child{border-bottom:0;}
.news-row:hover{background:#F3F7F4;}
.news-row h3{font-size:15.5px;font-weight:600;line-height:1.6;display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden;}
.news-row p{margin-top:5px;font-size:13px;color:var(--muted);line-height:1.7;display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden;}
.news-row-side{display:flex;flex-direction:column;align-items:flex-end;justify-content:space-between;gap:8px;font-size:12px;color:var(--muted);white-space:nowrap;}
.news-empty{padding:64px 24px;text-align:center;background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);}
.news-empty strong{display:block;font-size:16px;margin-bottom:6px;}
.news-empty p{font-size:14px;color:var(--muted);}

/* faq */
.faq-grid{display:grid;grid-template-columns:320px 1fr;gap:56px;align-items:start;}
.faq-side{position:sticky;top:140px;}
.faq-side h2{font-size:clamp(24px,2.6vw,32px);line-height:1.35;font-weight:700;margin-top:10px;}
.faq-side p{margin-top:12px;font-size:14.5px;color:var(--muted);line-height:1.8;}
.faq-list{border-top:1px solid var(--line);}
.faq-item{border-bottom:1px solid var(--line);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;min-height:60px;
  padding:14px 6px;background:transparent;border:0;text-align:left;font-size:16px;font-weight:600;color:var(--ink);
  transition:background var(--ease),color var(--ease);
}
.faq-q:hover{background:#F3F7F4;color:var(--primary-deep);}
.faq-q .icon{position:relative;flex-shrink:0;width:20px;height:20px;}
.faq-q .icon::before,.faq-q .icon::after{content:"";position:absolute;left:50%;top:50%;background:var(--primary);border-radius:1px;transform:translate(-50%,-50%);transition:transform var(--ease),opacity var(--ease);}
.faq-q .icon::before{width:14px;height:1.5px;}
.faq-q .icon::after{width:1.5px;height:14px;}
.faq-item.is-open .faq-q .icon::after{transform:translate(-50%,-50%) scaleY(0);opacity:0;}
.faq-a{display:none;padding:0 6px 22px;font-size:15px;line-height:1.85;color:var(--muted);max-width:680px;}
.faq-item.is-open .faq-a{display:block;}

/* cta */
.cta-section{background:var(--footer-bg);color:var(--footer-ink);padding:72px 0;}
.cta-grid{display:grid;grid-template-columns:1.1fr 1fr;gap:56px;align-items:center;}
.cta-grid h2{font-size:clamp(24px,2.8vw,34px);line-height:1.35;font-weight:700;color:#FBF8F2;}
.cta-grid p{margin-top:14px;font-size:15px;line-height:1.85;color:rgba(233,240,236,.75);max-width:520px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px;}
.form-card{background:rgba(233,240,236,.06);border:1px solid rgba(233,240,236,.18);border-radius:var(--r-lg);padding:26px;}
.form-card h3{font-size:16px;font-weight:700;color:#FBF8F2;margin-bottom:4px;}
.form-card .form-hint{font-size:12.5px;color:rgba(233,240,236,.6);margin-bottom:18px;}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px;}
.field{display:flex;flex-direction:column;gap:6px;}
.field--full{grid-column:1/-1;}
.field label{font-size:13px;font-weight:600;color:rgba(233,240,236,.9);}
.field input,.field select,.field textarea{
  width:100%;min-height:46px;padding:10px 12px;border-radius:var(--r-md);
  border:1px solid rgba(233,240,236,.24);background:rgba(255,255,255,.06);color:#FBF8F2;font-size:14px;
  transition:border-color var(--ease),box-shadow var(--ease);
}
.field textarea{min-height:92px;resize:vertical;line-height:1.7;}
.field input::placeholder,.field textarea::placeholder{color:rgba(233,240,236,.42);}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:#E9F0EC;box-shadow:0 0 0 3px var(--focus);}
.field select option{color:var(--ink);background:#fff;}
.check-row{display:flex;align-items:flex-start;gap:9px;font-size:12.5px;color:rgba(233,240,236,.72);line-height:1.6;}
.check-row input{width:16px;height:16px;min-height:0;margin-top:2px;flex-shrink:0;accent-color:var(--accent);}
.form-submit{margin-top:4px;}

/* footer */
.site-footer{background:var(--footer-bg);color:var(--footer-ink);padding:64px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:40px;}
.footer-brand .logo-mark{background:#1E3A32;}
.footer-brand .logo-text{color:#FBF8F2;font-size:17px;}
.footer-brand p{margin-top:16px;font-size:13.5px;line-height:1.85;color:rgba(233,240,236,.62);max-width:300px;}
.footer-col h3{font-size:14px;font-weight:700;color:#FBF8F2;margin-bottom:16px;letter-spacing:.04em;}
.footer-col ul{display:grid;gap:10px;}
.footer-col a{font-size:14px;color:rgba(233,240,236,.72);line-height:1.8;}
.footer-col a:hover{color:var(--accent);text-decoration:underline;text-underline-offset:3px;}
.footer-contact{display:grid;gap:10px;font-size:13.5px;color:rgba(233,240,236,.66);line-height:1.8;}
.footer-bottom{margin-top:52px;border-top:1px solid rgba(233,240,236,.14);padding:20px 0 26px;}
.footer-bottom .container{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;font-size:12.5px;color:rgba(233,240,236,.5);}
.footer-bottom a{color:rgba(233,240,236,.7);font-size:12.5px;}

/* floating cta */
.float-cta{position:fixed;right:24px;bottom:24px;z-index:70;display:flex;flex-direction:column;gap:10px;opacity:0;visibility:hidden;transform:translateY(8px);transition:opacity var(--ease),transform var(--ease),visibility var(--ease);}
.float-cta.is-visible{opacity:1;visibility:visible;transform:translateY(0);}
.float-cta .btn{box-shadow:var(--shadow-hover);font-size:14px;}
.to-top{width:44px;height:44px;border-radius:50%;align-self:flex-end;background:#fff;border:1px solid var(--line);color:var(--primary-deep);display:grid;place-items:center;box-shadow:var(--shadow);}
.to-top:hover{background:var(--primary-soft);}

@media (max-width:1199px){
  .hero-grid{gap:36px;}
  .price-row{grid-template-columns:170px 1fr 130px 140px;gap:18px;}
  .faq-grid{gap:40px;grid-template-columns:280px 1fr;}
}
@media (max-width:991px){
  .header-top{height:auto;flex-wrap:wrap;padding:12px 0;gap:12px;}
  .logo{order:1;}
  .header-actions{order:2;margin-left:auto;}
  .search-form{order:3;flex-basis:100%;max-width:none;margin:0;}
  .nav-bar{display:none;}
  .menu-toggle{display:inline-flex;order:2;margin-left:8px;}
  .anchor-bar{top:0;position:sticky;}
  .section{padding:64px 0;}
  .hero{padding:44px 0 52px;}
  .hero-grid{grid-template-columns:1fr;gap:40px;}
  .hero-sub{max-width:none;}
  .hero-card{position:static;width:100%;margin-top:16px;box-shadow:var(--shadow);}
  .value-grid{grid-template-columns:1fr;}
  .value-item,.value-item:nth-child(even){padding:24px 0;border-right:0;}
  .demo-grid{grid-template-columns:1fr;gap:36px;}
  .metric-row{grid-template-columns:1fr 1fr;}
  .proof-cards{grid-template-columns:1fr;}
  .news-grid{grid-template-columns:1fr;}
  .faq-grid{grid-template-columns:1fr;gap:28px;}
  .faq-side{position:static;}
  .cta-grid{grid-template-columns:1fr;gap:36px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .price-row{grid-template-columns:1fr 1fr;gap:16px;align-items:start;}
  .price-amount{grid-column:1; }
  .price-row .btn{grid-column:2;justify-self:end;}
}
@media (max-width:767px){
  .container{padding:0 20px;}
  body{font-size:15px;line-height:1.8;}
  .section{padding:48px 0;}
  .header-link{display:none;}
  .search-form input{height:46px;padding-right:84px;font-size:13.5px;}
  .search-form button{width:64px;height:34px;font-size:13px;}
  .logo-text{font-size:15px;}
  .hero h1{font-size:clamp(28px,7.4vw,36px);}
  .hero-actions .btn{flex:1 1 100%;}
  .hero-meta span{font-size:12px;}
  .anchor-bar a{height:44px;padding:0 12px;font-size:13px;}
  .value-item h3{font-size:18px;}
  .metric-row{grid-template-columns:1fr;}
  .proof-card{flex-direction:column;}
  .proof-card img{width:100%;aspect-ratio:16/9;}
  .price-row{grid-template-columns:1fr;padding:20px;}
  .price-row .btn{grid-column:1;justify-self:stretch;width:100%;}
  .news-row{grid-template-columns:1fr;gap:8px;}
  .news-row-side{flex-direction:row;align-items:center;justify-content:space-between;width:100%;}
  .form-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom .container{flex-direction:column;align-items:flex-start;}
  .float-cta{left:0;right:0;bottom:0;flex-direction:row;gap:8px;padding:10px 16px calc(10px + env(safe-area-inset-bottom));background:#fff;border-top:1px solid var(--line);transform:translateY(100%);}
  .float-cta.is-visible{transform:translateY(0);}
  .float-cta .btn{flex:1;min-height:48px;font-size:14px;box-shadow:none;}
  .float-cta .to-top{display:none;}
  body{padding-bottom:0;}
  .footer-bottom{margin-top:36px;}
  .hero-wave{display:none;}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{transition:none!important;animation:none!important;scroll-behavior:auto!important;}
}

/* roulang page: article */
:root{
  --bg:#F7F3EC;
  --bg-soft:#EDF4F0;
  --card:#FFFFFF;
  --ink:#17231F;
  --muted:#5C6B65;
  --line:#DCE5DF;
  --primary:#176B5B;
  --primary-dark:#0F4E43;
  --primary-soft:#DCEBE6;
  --accent:#C96A4A;
  --accent-ink:#9E4832;
  --accent-soft:#F4DCD2;
  --ring:rgba(201,106,74,0.32);
  --radius-s:8px;
  --radius-m:10px;
  --radius-l:16px;
  --radius-xl:22px;
  --shadow-card:0 8px 24px rgba(23,35,31,0.06);
  --shadow-card-hover:0 14px 32px rgba(23,35,31,0.10);
  --shadow-header:0 6px 18px rgba(23,35,31,0.06);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Microsoft YaHei",sans-serif;
  background:var(--bg);
  color:var(--ink);
  font-size:16px;
  line-height:1.85;
  font-variant-numeric:tabular-nums;
}
img{max-width:100%;display:block}
a{color:var(--primary);text-decoration:none;transition:color .18s ease-out}
a:hover{color:var(--primary-dark);text-decoration:underline;text-underline-offset:3px}
button{font-family:inherit}
input,select,textarea{font-family:inherit;font-size:15px;color:var(--ink)}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,[tabindex]:focus-visible{
  outline:3px solid var(--ring);
  outline-offset:2px;
  border-radius:var(--radius-s);
}
.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 24px;
}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:120;
  background:#FBF8F2;
  border-bottom:1px solid var(--line);
  transition:box-shadow .2s ease-out;
}
.site-header.is-scrolled{box-shadow:var(--shadow-header)}
.header-row{
  display:flex;
  align-items:center;
  gap:24px;
  min-height:76px;
  padding:10px 0;
}
.logo{
  display:inline-flex;
  align-items:center;
  gap:10px;
  flex:none;
  color:var(--ink);
  font-size:18px;
  font-weight:700;
  letter-spacing:.2px;
}
.logo:hover{color:var(--primary-dark);text-decoration:none}
.logo-mark{
  width:36px;
  height:36px;
  border-radius:10px;
  background:var(--primary);
  display:grid;
  place-items:center;
  flex:none;
  transition:background .18s ease-out;
}
.logo:hover .logo-mark{background:var(--primary-dark)}
.logo-text{white-space:nowrap}
.nav-search{
  position:relative;
  flex:1 1 auto;
  max-width:560px;
  margin:0 auto;
  display:flex;
  align-items:center;
  height:48px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:14px;
  padding-left:44px;
  padding-right:6px;
  transition:border-color .18s ease-out,box-shadow .18s ease-out;
}
.nav-search:focus-within{border-color:var(--primary);box-shadow:0 0 0 3px var(--ring)}
.nav-search .search-icon{
  position:absolute;
  left:16px;
  top:50%;
  transform:translateY(-50%);
  color:var(--muted);
  pointer-events:none;
}
.nav-search input{
  flex:1 1 auto;
  min-width:0;
  height:100%;
  border:0;
  background:transparent;
  outline:none;
  font-size:15px;
  color:var(--ink);
}
.nav-search input::placeholder{color:#8A968F}
.search-btn{
  flex:none;
  height:36px;
  padding:0 18px;
  border:0;
  border-radius:var(--radius-m);
  background:var(--primary);
  color:#F7F3EC;
  font-size:14px;
  font-weight:600;
  cursor:pointer;
  transition:background .18s ease-out,transform .18s ease-out;
}
.search-btn:hover{background:var(--primary-dark);transform:translateY(-1px)}
.search-btn:active{transform:translateY(0)}
.header-actions{display:flex;align-items:center;gap:16px;flex:none}
.link-quiet{font-size:14px;color:var(--muted)}
.link-quiet:hover{color:var(--primary-dark)}
.menu-toggle{
  display:none;
  align-items:center;
  gap:8px;
  height:44px;
  padding:0 16px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius-m);
  color:var(--ink);
  font-size:14px;
  font-weight:600;
  cursor:pointer;
}
.menu-toggle:hover{border-color:var(--primary);color:var(--primary-dark)}

/* 按钮 */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:44px;
  padding:0 20px;
  border-radius:var(--radius-m);
  font-size:15px;
  font-weight:600;
  line-height:1.2;
  border:1px solid transparent;
  cursor:pointer;
  transition:background .18s ease-out,color .18s ease-out,border-color .18s ease-out,transform .18s ease-out,box-shadow .18s ease-out;
}
.btn:hover{text-decoration:none;transform:translateY(-1px)}
.btn:active{transform:translateY(0)}
.btn-primary{background:var(--primary);color:#F7F3EC}
.btn-primary:hover{background:var(--primary-dark);color:#F7F3EC}
.btn-ghost{background:#fff;color:var(--primary);border-color:var(--primary)}
.btn-ghost:hover{background:var(--primary-soft);color:var(--primary-dark);border-color:var(--primary-dark)}
.btn-light{background:#F7F3EC;color:var(--primary-dark)}
.btn-light:hover{background:#fff;color:var(--primary-dark)}

/* 分类条 */
.nav-bar{background:#FBF8F2;border-top:1px solid var(--line)}
.nav-list{
  display:flex;
  align-items:center;
  gap:6px;
  min-height:44px;
  overflow-x:auto;
  scrollbar-width:thin;
}
.nav-list::-webkit-scrollbar{height:4px}
.nav-list::-webkit-scrollbar-thumb{background:var(--line);border-radius:4px}
.nav-list a{
  display:inline-flex;
  align-items:center;
  height:32px;
  padding:0 14px;
  border-radius:999px;
  font-size:14px;
  color:var(--muted);
  white-space:nowrap;
  transition:background .18s ease-out,color .18s ease-out;
}
.nav-list a:hover{color:var(--primary-dark);background:var(--primary-soft);text-decoration:none}
.nav-list a.is-active{background:var(--primary-soft);color:var(--primary-dark);font-weight:600}

/* 移动抽屉 */
.mobile-drawer{
  position:fixed;
  inset:0;
  z-index:200;
  background:var(--bg);
  display:none;
  flex-direction:column;
  padding:20px 24px 32px;
  overflow-y:auto;
}
.mobile-drawer.is-open{display:flex}
.drawer-head{display:flex;align-items:center;justify-content:space-between;gap:16px;padding-bottom:16px;border-bottom:1px solid var(--line)}
.drawer-close{
  width:44px;height:44px;border-radius:var(--radius-m);border:1px solid var(--line);background:#fff;
  color:var(--ink);font-size:20px;line-height:1;cursor:pointer;
}
.drawer-nav{display:grid;gap:4px;margin-top:20px}
.drawer-nav a{
  display:flex;align-items:center;justify-content:space-between;
  min-height:52px;padding:0 16px;border-radius:var(--radius-m);
  color:var(--ink);font-size:16px;font-weight:600;background:#fff;border:1px solid var(--line);
}
.drawer-nav a:hover{color:var(--primary-dark);text-decoration:none;border-color:var(--primary)}
.drawer-cta{margin-top:24px;display:grid;gap:12px}

/* ============ 文章主体 ============ */
.article-page{padding:28px 0 72px}
.crumb{
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:8px;
  font-size:13px;
  color:var(--muted);
  margin-bottom:24px;
}
.crumb a{color:var(--muted)}
.crumb a:hover{color:var(--primary-dark)}
.crumb .sep{color:#A9B5AF}
.crumb .current{color:var(--primary);max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

.article-layout{
  display:grid;
  grid-template-columns:minmax(0,760px) 300px;
  gap:40px;
  justify-content:space-between;
  align-items:start;
}
.article-main{min-width:0}

.post-head{
  background:linear-gradient(180deg,#F7F3EC 0%,#EDF4F0 100%);
  border:1px solid var(--line);
  border-radius:var(--radius-xl);
  padding:32px 32px 28px;
  margin-bottom:24px;
}
.badge{
  display:inline-flex;
  align-items:center;
  height:26px;
  padding:0 12px;
  border-radius:999px;
  font-size:12px;
  font-weight:600;
  letter-spacing:.2px;
}
.badge-cat{background:var(--accent-soft);color:var(--accent-ink)}
.badge-state{background:var(--primary-soft);color:var(--primary-dark)}
.post-title{
  font-size:clamp(32px,4.2vw,48px);
  line-height:1.22;
  font-weight:700;
  margin:16px 0 18px;
  letter-spacing:-.4px;
  overflow-wrap:break-word;
  word-break:break-word;
}
.post-meta{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:10px 20px;
  font-size:13px;
  color:var(--muted);
  padding-top:14px;
  border-top:1px solid var(--line);
}
.post-meta .meta-item{display:inline-flex;align-items:center;gap:6px}
.post-meta .meta-item::before{
  content:"";
  width:5px;height:5px;border-radius:50%;
  background:var(--accent);
  opacity:.75;
}
.post-meta .meta-item:first-child::before{display:none}

.article-card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:18px;
  padding:40px;
  box-shadow:var(--shadow-card);
}
.article-body{
  font-size:17px;
  line-height:1.95;
  color:#1D2A25;
  overflow-wrap:break-word;
  word-break:break-word;
}
.article-body > *:first-child{margin-top:0}
.article-body p{margin:0 0 1.1em;max-width:680px;text-align:left}
.article-body h2{
  position:relative;
  font-size:clamp(24px,2.6vw,32px);
  line-height:1.35;
  font-weight:700;
  margin:2.4em 0 .75em;
  padding-left:18px;
  color:var(--ink);
}
.article-body h2::before{
  content:"";
  position:absolute;
  left:0;
  top:.16em;
  bottom:.16em;
  width:4px;
  border-radius:4px;
  background:var(--primary);
}
.article-body h3{
  font-size:19px;
  line-height:1.5;
  font-weight:600;
  margin:1.8em 0 .55em;
  color:var(--primary-dark);
}
.article-body h4{font-size:17px;font-weight:600;margin:1.5em 0 .4em}
.article-body ul,.article-body ol{margin:0 0 1.15em;padding-left:1.35em;max-width:680px}
.article-body li{margin:.35em 0}
.article-body li::marker{color:var(--primary)}
.article-body blockquote{
  margin:1.5em 0;
  padding:16px 22px;
  background:var(--primary-soft);
  border-left:3px solid var(--accent);
  border-radius:0 12px 12px 0;
  color:#1F2F29;
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body a{color:var(--primary);text-decoration:underline;text-underline-offset:3px}
.article-body a:hover{color:var(--primary-dark)}
.article-body strong{color:var(--ink);font-weight:600}
.article-body img{border-radius:14px;margin:1.5em 0;height:auto}
.article-body figure{margin:1.6em 0}
.article-body figcaption{font-size:13px;color:var(--muted);line-height:1.6;margin-top:8px}
.article-body table{
  width:100%;
  border-collapse:collapse;
  margin:1.5em 0;
  font-size:15px;
  line-height:1.7;
  display:block;
  overflow-x:auto;
}
.article-body table::-webkit-scrollbar{height:6px}
.article-body table::-webkit-scrollbar-thumb{background:var(--line);border-radius:6px}
.article-body th{
  background:var(--primary-soft);
  color:var(--primary-dark);
  font-weight:600;
  text-align:left;
  white-space:nowrap;
}
.article-body th,.article-body td{
  border-bottom:1px solid var(--line);
  padding:12px 14px;
  vertical-align:top;
}
.article-body tr:hover td{background:#F6FAF8}
.article-body code{
  background:var(--primary-soft);
  color:var(--primary-dark);
  padding:1px 6px;
  border-radius:6px;
  font-size:15px;
}
.article-body hr{border:0;border-top:1px solid var(--line);margin:2em 0}

/* 空态 */
.empty-state{
  text-align:center;
  padding:56px 32px;
}
.empty-state svg{color:var(--primary);margin:0 auto 18px}
.empty-state h2{font-size:22px;font-weight:700;margin:0 0 10px}
.empty-state p{color:var(--muted);font-size:15px;line-height:1.8;max-width:440px;margin:0 auto 24px}

/* 侧栏 */
.article-side{min-width:0}
.side-sticky{
  position:sticky;
  top:150px;
  display:grid;
  gap:20px;
}
.side-card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius-l);
  padding:20px;
  box-shadow:var(--shadow-card);
}
.side-title{
  display:flex;
  align-items:center;
  gap:8px;
  font-size:14px;
  font-weight:700;
  color:var(--ink);
  margin:0 0 12px;
  letter-spacing:.3px;
}
.side-title::before{
  content:"";
  width:8px;height:8px;
  border-radius:2px;
  background:var(--accent);
  flex:none;
}
.toc{display:grid;gap:2px;max-height:320px;overflow-y:auto}
.toc a{
  display:block;
  padding:7px 0 7px 12px;
  font-size:14px;
  line-height:1.6;
  color:var(--muted);
  border-left:2px solid transparent;
  transition:color .18s ease-out,border-color .18s ease-out;
}
.toc a:hover{color:var(--primary-dark);border-left-color:var(--primary);text-decoration:none}
.toc a.is-sub{padding-left:24px;font-size:13px}
.toc a.is-current{color:var(--primary-dark);font-weight:600;border-left-color:var(--accent)}
.side-links{display:grid;gap:6px}
.side-links a{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:10px;
  min-height:44px;
  padding:0 12px;
  border-radius:var(--radius-m);
  font-size:14px;
  color:var(--ink);
  border:1px solid var(--line);
  background:#fff;
  transition:border-color .18s ease-out,background .18s ease-out,color .18s ease-out;
}
.side-links a:hover{background:var(--primary-soft);border-color:var(--primary);color:var(--primary-dark);text-decoration:none}
.side-links a span{color:var(--accent);font-size:13px}
.side-cta p{font-size:14px;color:var(--muted);line-height:1.75;margin:0 0 14px}
.side-cta .btn{width:100%}

/* 相关推荐 */
.related{margin-top:40px}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:20px;
  margin-bottom:20px;
}
.section-head h2{
  font-size:clamp(22px,2.4vw,28px);
  line-height:1.35;
  font-weight:700;
  margin:0;
}
.section-head .section-sub{font-size:14px;color:var(--muted)}
.related-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:20px;
}
.related-card{
  display:flex;
  flex-direction:column;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius-l);
  overflow:hidden;
  box-shadow:var(--shadow-card);
  transition:transform .2s ease-out,box-shadow .2s ease-out;
}
.related-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-card-hover);text-decoration:none}
.related-card .thumb{
  aspect-ratio:16/10;
  overflow:hidden;
  background:var(--primary-soft);
}
.related-card .thumb img{
  width:100%;
  height:100%;
  object-fit:cover;
  transition:transform .25s ease-out;
}
.related-card:hover .thumb img{transform:scale(1.02)}
.related-body{padding:18px 18px 20px;display:flex;flex-direction:column;gap:10px;flex:1 1 auto}
.related-body h3{
  font-size:16px;
  line-height:1.55;
  font-weight:600;
  margin:0;
  color:var(--ink);
}
.related-card:hover .related-body h3{color:var(--primary-dark)}
.related-body .rel-meta{font-size:12px;color:var(--muted);margin-top:auto}

.back-links{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  margin-top:28px;
}
.back-links .btn{min-width:132px}

/* 浮动 CTA */
.float-cta{
  position:fixed;
  right:24px;
  bottom:24px;
  z-index:90;
  display:flex;
  flex-direction:column;
  gap:10px;
  transition:opacity .2s ease-out,transform .2s ease-out;
}
.float-cta .btn{box-shadow:var(--shadow-card)}
.float-cta .btn-ghost{background:#fff}
.float-cta.is-collapsed .btn-ghost{display:none}

/* ============ 页脚 ============ */
.site-footer{
  background:#12201B;
  color:#E9F0EC;
  padding:64px 0 0;
  margin-top:24px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1.2fr;
  gap:40px;
  padding-bottom:48px;
}
.footer-brand .logo{color:#F7F3EC;font-size:16px}
.footer-brand .logo:hover{color:#fff;text-decoration:none}
.footer-brand p{
  font-size:14px;
  line-height:1.9;
  color:#A9BCB4;
  margin:16px 0 0;
  max-width:340px;
}
.footer-col h3{
  font-size:14px;
  font-weight:700;
  margin:0 0 16px;
  color:#F7F3EC;
  letter-spacing:.4px;
}
.footer-col ul{list-style:none;margin:0;padding:0;display:grid;gap:10px}
.footer-col li{font-size:14px;line-height:1.8}
.footer-col a{color:#A9BCB4;font-size:14px}
.footer-col a:hover{color:var(--accent);text-decoration:underline;text-underline-offset:3px}
.footer-contact{display:grid;gap:10px;font-size:13px;line-height:1.8;color:#A9BCB4}
.footer-bottom{
  border-top:1px solid rgba(233,240,236,.14);
  padding:18px 0;
}
.footer-bottom .container{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  font-size:13px;
  color:#8FA49B;
}
.footer-bottom a{color:#E9F0EC;font-size:13px}
.footer-bottom a:hover{color:var(--accent)}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  .article-layout{grid-template-columns:minmax(0,1fr) 280px;gap:32px}
  .article-card{padding:32px}
}
@media (max-width:991px){
  .header-row{flex-wrap:wrap;gap:12px;padding:12px 0}
  .nav-search{order:3;flex:1 0 100%;max-width:none;margin:0}
  .header-actions .link-quiet{display:none}
  .menu-toggle{display:inline-flex;margin-left:auto}
  .nav-bar{display:none}
  .article-layout{grid-template-columns:minmax(0,1fr)}
  .article-side{order:2}
  .side-sticky{position:static;top:auto}
  .post-head{padding:26px 24px 22px;border-radius:var(--radius-l)}
  .article-card{padding:28px}
  .related-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:32px}
  .float-cta{right:16px;bottom:16px}
}
@media (max-width:767px){
  body{font-size:15px;line-height:1.8;padding-bottom:80px}
  .container{padding:0 20px}
  .header-row{min-height:64px}
  .logo{font-size:15px}
  .logo-mark{width:32px;height:32px;border-radius:9px}
  .nav-search{height:46px;border-radius:12px}
  .nav-search input{font-size:14px}
  .search-btn{height:34px;padding:0 14px;font-size:13px}
  .header-actions{display:none}
  .article-page{padding:20px 0 48px}
  .post-title{font-size:clamp(26px,7vw,32px);margin:14px 0 14px}
  .article-card{padding:20px;border-radius:14px}
  .article-body{font-size:16px;line-height:1.85}
  .article-body h2{font-size:22px;padding-left:14px;margin-top:1.9em}
  .article-body p,.article-body ul,.article-body ol{max-width:none}
  .article-body table{font-size:14px}
  .related-grid{grid-template-columns:minmax(0,1fr)}
  .section-head{flex-direction:column;align-items:flex-start;gap:6px}
  .back-links .btn{width:100%}
  .float-cta{
    right:0;
    left:0;
    bottom:0;
    flex-direction:row;
    gap:10px;
    padding:10px 16px calc(10px + env(safe-area-inset-bottom,0px));
    background:#fff;
    border-top:1px solid var(--line);
  }
  .float-cta .btn{flex:1 1 0;min-height:48px;box-shadow:none}
  .float-cta .btn-ghost{display:inline-flex}
  .float-cta.is-collapsed{display:none}
  .footer-grid{grid-template-columns:minmax(0,1fr);gap:28px;padding-bottom:32px}
  .site-footer{padding-top:48px}
  .footer-bottom .container{flex-direction:column;align-items:flex-start}
}
@media (max-width:520px){
  .post-meta{gap:8px 14px}
  .menu-toggle{padding:0 12px;font-size:13px}
  .empty-state{padding:40px 20px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;transition-duration:.001ms !important;scroll-behavior:auto !important}
}

/* roulang page: category1 */
:root{
  --bg:#F7F3EC;
  --bg-alt:#EDF4F0;
  --card:#FFFFFF;
  --ink:#17231F;
  --muted:#5C6B65;
  --line:#DCE5DF;
  --primary:#176B5B;
  --primary-dark:#0F4E43;
  --primary-soft:#DCEBE6;
  --accent:#C96A4A;
  --accent-text:#9E4832;
  --accent-soft:#F4DCD2;
  --focus:rgba(201,106,74,0.32);
  --radius-sm:8px;
  --radius:10px;
  --radius-card:16px;
  --radius-lg:22px;
  --shadow:0 8px 24px rgba(23,35,31,.06);
  --shadow-hover:0 14px 32px rgba(23,35,31,.10);
  --container:1200px;
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:140px;}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;height:auto;}
a{color:var(--primary);text-decoration:none;transition:color .18s ease-out;}
a:hover{color:var(--primary-dark);text-decoration:underline;text-underline-offset:3px;}
h1,h2,h3,h4,p,figure{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
:focus-visible{outline:3px solid var(--focus);outline-offset:2px;border-radius:6px;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}

/* ---------- 按钮与徽章 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 20px;border-radius:var(--radius);
  font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;
  transition:transform .18s ease-out,background-color .18s ease-out,color .18s ease-out,box-shadow .18s ease-out,border-color .18s ease-out;
}
.btn:hover{transform:translateY(-1px);text-decoration:none;}
.btn:active{transform:translateY(0);}
.btn-primary{background:var(--primary);color:#F7F3EC;}
.btn-primary:hover{background:var(--primary-dark);color:#F7F3EC;}
.btn-ghost{background:#fff;border-color:var(--primary);color:var(--primary);}
.btn-ghost:hover{background:var(--primary-soft);color:var(--primary-dark);}
.btn-sm{min-height:38px;padding:0 16px;font-size:14px;border-radius:9px;}
.btn-light{background:#F7F3EC;color:var(--primary-dark);}
.btn-light:hover{background:#fff;color:var(--primary-dark);}
.btn-outline-light{background:transparent;border-color:rgba(233,240,236,.5);color:#E9F0EC;}
.btn-outline-light:hover{border-color:#F7F3EC;background:rgba(247,243,236,.1);color:#FFFFFF;}
.badge{display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:999px;font-size:12px;font-weight:600;letter-spacing:.02em;}
.badge-accent{background:var(--accent-soft);color:var(--accent-text);}
.badge-primary{background:var(--primary-soft);color:var(--primary);}

/* ---------- 头部与导航 ---------- */
.site-header{position:sticky;top:0;z-index:60;background:#FBF8F2;border-bottom:1px solid var(--line);box-shadow:0 2px 0 rgba(23,35,31,0);}
.header-top{display:flex;align-items:center;gap:24px;min-height:76px;}
.logo{display:inline-flex;align-items:center;gap:10px;flex:none;}
.logo:hover{text-decoration:none;}
.logo-mark{width:36px;height:36px;border-radius:10px;background:var(--primary);display:grid;place-items:center;flex:none;}
.logo-text{font-size:18px;font-weight:700;color:var(--ink);line-height:1.3;}
.search-form{
  position:relative;display:flex;align-items:center;gap:8px;
  width:100%;max-width:560px;height:48px;margin:0 auto;
  padding:0 5px 0 44px;background:#fff;border:1px solid var(--line);
  border-radius:14px;transition:border-color .18s ease-out,box-shadow .18s ease-out;
}
.search-form:focus-within{border-color:var(--primary);box-shadow:0 0 0 3px var(--focus);}
.search-icon{position:absolute;left:15px;top:50%;transform:translateY(-50%);color:var(--muted);}
.search-form input{
  flex:1;min-width:0;height:100%;border:0;outline:0;background:transparent;
  font-size:15px;color:var(--ink);font-family:inherit;
}
.search-form input::placeholder{color:#8FA39B;}
.search-btn{
  height:36px;padding:0 16px;border:0;border-radius:8px;background:var(--primary);
  color:#F7F3EC;font-size:14px;font-weight:600;cursor:pointer;flex:none;
  transition:background-color .18s ease-out,transform .18s ease-out;
}
.search-btn:hover{background:var(--primary-dark);}
.search-btn:active{transform:translateY(1px);}
.header-actions{display:flex;align-items:center;gap:12px;flex:none;margin-left:auto;}
.nav-bar{border-top:1px solid var(--line);}
.nav-list{display:flex;align-items:center;gap:6px;height:44px;overflow-x:auto;scrollbar-width:none;}
.nav-list::-webkit-scrollbar{display:none;}
.nav-list a{
  display:inline-flex;align-items:center;height:32px;padding:0 14px;border-radius:999px;
  font-size:14px;color:var(--muted);white-space:nowrap;
  transition:color .18s ease-out,background-color .18s ease-out;
}
.nav-list a:hover{color:var(--primary);background:var(--primary-soft);text-decoration:none;}
.nav-list a.is-active{background:var(--primary-soft);color:var(--primary);font-weight:600;}

/* ---------- 面包屑 ---------- */
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--muted);padding:20px 0 0;flex-wrap:wrap;}
.breadcrumb a{color:var(--muted);}
.breadcrumb a:hover{color:var(--primary);}
.breadcrumb .sep{color:#A8B8B1;}
.breadcrumb .current{color:var(--primary);font-weight:600;}

/* ---------- 页面头部 ---------- */
.page-hero{
  position:relative;overflow:hidden;
  background:linear-gradient(180deg,#F7F3EC 0%,#EDF4F0 100%);
  border-bottom:1px solid var(--line);
  padding-bottom:64px;
}
.page-hero::after{
  content:"";position:absolute;right:-80px;top:-60px;width:420px;height:420px;
  background:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='420' height='420' viewBox='0 0 420 420' fill='none'%3E%3Cg stroke='%23176B5B' stroke-width='1'%3E%3Cpath d='M0 120c60-40 120 40 180 0s120-40 180 0 60 40 120 0'/%3E%3Cpath d='M0 220c60-40 120 40 180 0s120-40 180 0 60 40 120 0'/%3E%3Cpath d='M0 320c60-40 120 40 180 0s120-40 180 0 60 40 120 0'/%3E%3C/g%3E%3C/svg%3E") no-repeat;
  opacity:.08;pointer-events:none;
}
.hero-grid{position:relative;z-index:1;display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center;padding-top:32px;}
.hero-copy h1{
  font-size:clamp(32px,4.2vw,48px);line-height:1.22;font-weight:700;
  letter-spacing:-.01em;margin:16px 0 18px;
}
.hero-lead{font-size:17px;line-height:1.85;color:var(--muted);max-width:560px;}
.anchor-pills{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px;}
.anchor-pills a{
  display:inline-flex;align-items:center;min-height:36px;padding:0 14px;border-radius:999px;
  border:1px solid var(--line);background:#fff;color:var(--muted);font-size:13px;font-weight:600;
  transition:color .18s ease-out,border-color .18s ease-out,background-color .18s ease-out;
}
.anchor-pills a:hover{border-color:var(--primary);color:var(--primary);background:var(--primary-soft);text-decoration:none;}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px;}
.hero-figure{position:relative;}
.hero-figure img{
  width:100%;aspect-ratio:4/3;object-fit:cover;
  border-radius:var(--radius-lg);border:1px solid var(--line);box-shadow:var(--shadow);
  background:var(--primary-soft);
}
.hero-note{
  position:absolute;left:20px;bottom:20px;display:flex;align-items:center;gap:10px;
  background:#fff;border:1px solid var(--line);border-radius:12px;padding:10px 14px;
  box-shadow:var(--shadow);font-size:13px;color:var(--muted);max-width:calc(100% - 40px);
}
.hero-note strong{color:var(--ink);font-size:14px;}

/* ---------- 通用板块 ---------- */
.section{padding:88px 0;}
.section-alt{background:var(--bg-alt);}
.section-head{max-width:760px;margin-bottom:36px;}
.eyebrow{display:inline-block;font-size:13px;font-weight:600;letter-spacing:.08em;color:var(--primary);margin-bottom:12px;}
.section-head h2{font-size:clamp(24px,2.6vw,32px);line-height:1.35;font-weight:700;margin-bottom:14px;}
.section-head p{color:var(--muted);font-size:15px;line-height:1.85;}

/* ---------- 步骤时间线 ---------- */
.steps-layout{display:grid;grid-template-columns:minmax(0,1fr) 340px;gap:40px;align-items:start;}
.timeline{position:relative;}
.timeline > li{position:relative;padding:0 0 36px 76px;}
.timeline > li:last-child{padding-bottom:0;}
.timeline > li::before{
  content:"";position:absolute;left:23px;top:54px;bottom:6px;width:2px;
  background:linear-gradient(180deg,var(--primary-soft),rgba(23,107,91,.16));
}
.timeline > li:last-child::before{display:none;}
.tl-num{
  position:absolute;left:0;top:0;display:grid;place-items:center;
  width:48px;height:48px;border-radius:12px;background:var(--primary-soft);
  color:var(--primary-dark);font-weight:700;font-size:15px;
  font-variant-numeric:tabular-nums;
}
.tl-body h3{font-size:20px;line-height:1.5;font-weight:600;margin:6px 0 10px;}
.tl-body p{color:var(--muted);font-size:15px;line-height:1.85;}
.tl-points{margin-top:12px;display:grid;gap:8px;}
.tl-points li{position:relative;padding-left:18px;font-size:14px;line-height:1.75;color:var(--muted);}
.tl-points li::before{
  content:"";position:absolute;left:0;top:9px;width:7px;height:7px;
  border-radius:2px;background:var(--accent);opacity:.8;
}
.checklist{
  position:sticky;top:150px;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius-card);padding:24px;box-shadow:var(--shadow);
}
.checklist h3{font-size:18px;font-weight:600;line-height:1.5;margin-bottom:16px;}
.checklist ul{display:grid;gap:12px;}
.checklist li{display:flex;gap:10px;font-size:14px;line-height:1.75;color:var(--muted);}
.checklist li::before{
  content:"";flex:none;width:8px;height:8px;margin-top:9px;border-radius:50%;background:var(--primary);
}
.checklist-note{
  margin-top:18px;padding-top:16px;border-top:1px solid var(--line);
  font-size:13px;line-height:1.7;color:var(--muted);
}

/* ---------- 提示文字对照 ---------- */
.notice-list{border-top:1px solid var(--line);}
.notice-row{
  display:grid;grid-template-columns:280px minmax(0,1fr);gap:24px;
  padding:20px 4px;border-bottom:1px solid var(--line);align-items:baseline;
  transition:background-color .18s ease-out;
}
.notice-row:hover{background:#F3F7F4;}
.notice-name{font-size:16px;font-weight:600;color:var(--ink);}
.notice-desc{font-size:15px;line-height:1.8;color:var(--muted);}

/* ---------- FAQ ---------- */
.faq-layout{display:grid;grid-template-columns:340px minmax(0,1fr);gap:48px;align-items:start;}
.faq-intro{position:sticky;top:150px;}
.faq-intro h2{font-size:clamp(24px,2.6vw,32px);line-height:1.35;font-weight:700;margin-bottom:14px;}
.faq-intro p{color:var(--muted);font-size:15px;line-height:1.85;margin-bottom:18px;}
.text-link{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--primary);}
.text-link:hover{text-decoration:underline;text-underline-offset:3px;color:var(--primary-dark);}
.faq-list{border-top:1px solid var(--line);}
.faq-item{border-bottom:1px solid var(--line);}
.faq-item summary{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  min-height:56px;padding:14px 4px;font-size:16px;font-weight:600;color:var(--ink);
  cursor:pointer;list-style:none;transition:background-color .18s ease-out,color .18s ease-out;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{background:#F3F7F4;color:var(--primary);}
.faq-plus{position:relative;width:20px;height:20px;flex:none;}
.faq-plus::before,.faq-plus::after{
  content:"";position:absolute;background:var(--primary);border-radius:2px;
  transition:transform .2s ease-out,opacity .2s ease-out;
}
.faq-plus::before{left:0;top:9px;width:20px;height:2px;}
.faq-plus::after{left:9px;top:0;width:2px;height:20px;}
.faq-item[open] .faq-plus::after{transform:rotate(90deg);opacity:0;}
.faq-answer{padding:0 4px 20px;font-size:15px;line-height:1.85;color:var(--muted);max-width:680px;}

/* ---------- 相关阅读 ---------- */
.related{border-top:1px solid var(--line);background:var(--bg);}
.related h2{font-size:22px;font-weight:700;margin-bottom:20px;}
.related-links{display:grid;gap:10px;}
.related-links a{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:16px 20px;background:#fff;border:1px solid var(--line);
  border-radius:12px;color:var(--ink);font-size:15px;font-weight:600;
  transition:transform .18s ease-out,box-shadow .18s ease-out,border-color .18s ease-out,color .18s ease-out;
}
.related-links a:hover{
  transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:var(--primary);
  color:var(--primary);text-decoration:none;
}
.rel-arrow{color:var(--accent);font-weight:700;flex:none;}

/* ---------- CTA ---------- */
.cta-band{background:#12201B;color:#E9F0EC;padding:72px 0;}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;}
.cta-band h2{font-size:clamp(22px,2.4vw,28px);line-height:1.35;font-weight:700;color:#FFFFFF;margin-bottom:12px;}
.cta-band p{font-size:15px;line-height:1.8;color:#B9C9C2;max-width:520px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;}

/* ---------- 浮动 CTA ---------- */
.float-cta{position:fixed;right:24px;bottom:24px;display:flex;flex-direction:column;gap:10px;z-index:50;}
.float-btn{
  display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:0 18px;
  border-radius:12px;font-size:14px;font-weight:600;box-shadow:var(--shadow);
  transition:transform .18s ease-out,background-color .18s ease-out,color .18s ease-out;
}
.float-btn:hover{transform:translateY(-1px);text-decoration:none;}
.float-btn-primary{background:var(--primary);color:#F7F3EC;}
.float-btn-primary:hover{background:var(--primary-dark);color:#F7F3EC;}
.float-btn-ghost{background:#fff;border:1px solid var(--line);color:var(--muted);}
.float-btn-ghost:hover{color:var(--primary);border-color:var(--primary);}

/* ---------- 页脚 ---------- */
.site-footer{background:#12201B;color:#E9F0EC;padding-top:64px;}
.site-footer .logo-text{color:#F7F3EC;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:44px;}
.footer-brand p{color:#A9BBB4;font-size:14px;line-height:1.85;margin-top:16px;max-width:340px;}
.footer-col h3{font-size:15px;font-weight:600;color:#F7F3EC;margin-bottom:16px;}
.footer-col ul{display:grid;gap:10px;}
.footer-col a{color:#A9BBB4;font-size:14px;}
.footer-col a:hover{color:var(--accent);text-decoration:underline;text-underline-offset:3px;}
.footer-contact{display:grid;gap:10px;color:#A9BBB4;font-size:14px;line-height:1.8;}
.footer-bottom{border-top:1px solid rgba(233,240,236,.14);padding:20px 0;}
.footer-bottom .container{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;padding:0;font-size:13px;color:#8FA39B;}
.footer-bottom a{color:#A9BBB4;font-size:13px;}
.footer-bottom a:hover{color:var(--accent);}

/* ---------- 响应式 ---------- */
@media (max-width:1100px){
  .steps-layout{grid-template-columns:1fr;gap:32px;}
  .checklist{position:static;}
  .faq-layout{grid-template-columns:1fr;gap:28px;}
  .faq-intro{position:static;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:960px){
  .hero-grid{grid-template-columns:1fr;gap:32px;padding-top:24px;}
  .page-hero::after{display:none;}
  .page-hero{padding-bottom:48px;}
  .section{padding:64px 0;}
  .hero-lead{max-width:none;}
}
@media (max-width:880px){
  .header-top{flex-wrap:wrap;min-height:auto;padding:12px 0;gap:12px;}
  .logo-text{font-size:15px;}
  .header-actions{display:none;}
  .search-form{order:3;flex:1 1 100%;max-width:none;height:46px;margin:0;}
  .search-btn{height:34px;padding:0 14px;}
  .nav-list{height:46px;}
  .nav-list a{min-height:34px;}
}
@media (max-width:760px){
  .notice-row{grid-template-columns:1fr;gap:6px;}
  .cta-inner{flex-direction:column;align-items:flex-start;}
  .cta-actions{width:100%;}
  .cta-actions .btn{flex:1 1 auto;}
}
@media (max-width:640px){
  .container{padding:0 20px;}
  .section{padding:48px 0;}
  body{font-size:15px;line-height:1.8;padding-bottom:84px;}
  .hero-copy h1{margin:14px 0 14px;}
  .hero-lead{font-size:15px;}
  .timeline > li{padding:0 0 30px 62px;}
  .tl-num{width:42px;height:42px;font-size:14px;border-radius:10px;}
  .timeline > li::before{left:20px;top:48px;}
  .tl-body h3{font-size:17px;margin-top:2px;}
  .checklist{padding:20px;}
  .faq-item summary{font-size:15px;padding:14px 2px;}
  .related-links a{padding:14px 16px;font-size:14px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding-bottom:32px;}
  .footer-bottom .container{flex-direction:column;align-items:flex-start;gap:8px;}
  .float-cta{
    left:0;right:0;bottom:0;flex-direction:row;gap:10px;padding:10px 16px calc(10px + env(safe-area-inset-bottom));
    background:#FFFFFF;border-top:1px solid var(--line);
  }
  .float-btn{flex:1;min-height:48px;box-shadow:none;}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto;}
  *{transition:none !important;animation:none !important;}
  .btn:hover,.float-btn:hover,.related-links a:hover{transform:none;}
}

/* roulang page: category2 */
:root{
  --bg:#F7F3EC;
  --bg-alt:#EDF4F0;
  --card:#FFFFFF;
  --ink:#17231F;
  --ink-soft:#2C3B35;
  --muted:#5C6B65;
  --line:#DCE5DF;
  --primary:#176B5B;
  --primary-dark:#0F4E43;
  --primary-soft:#DCEBE6;
  --accent:#C96A4A;
  --accent-text:#9E4832;
  --accent-soft:#F4DCD2;
  --footer-bg:#12201B;
  --footer-ink:#E9F0EC;
  --focus:rgba(201,106,74,.32);
  --r-sm:8px;
  --r-md:10px;
  --r-lg:16px;
  --r-xl:22px;
  --shadow-card:0 8px 24px rgba(23,35,31,.06);
  --shadow-hover:0 14px 32px rgba(23,35,31,.10);
  --shadow-nav:0 6px 18px rgba(23,35,31,.06);
  --ease:180ms ease-out;
  --header-h:120px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:130px}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:var(--primary);text-decoration:none;transition:color var(--ease),background-color var(--ease)}
a:hover{color:var(--primary-dark);text-decoration:underline;text-underline-offset:3px}
button{font:inherit}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:700}
p{margin:0 0 1.1em}
ul,ol{margin:0;padding:0}
:focus-visible{outline:3px solid var(--focus);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.num{font-variant-numeric:tabular-nums}

/* ---------- Header ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:#FBF8F2;
  border-bottom:1px solid var(--line);
  transition:box-shadow var(--ease);
}
.site-header.is-scrolled{box-shadow:var(--shadow-nav)}
.header-top{
  display:flex;
  align-items:center;
  gap:24px;
  height:76px;
}
.logo{display:inline-flex;align-items:center;gap:10px;flex:none}
.logo:hover{text-decoration:none}
.logo-mark{
  width:36px;height:36px;border-radius:10px;background:var(--primary);
  display:grid;place-items:center;flex:none;
}
.logo-text{
  font-size:18px;font-weight:700;color:var(--ink);
  letter-spacing:.2px;white-space:nowrap;
}
.search-form{
  position:relative;
  display:flex;
  align-items:center;
  gap:8px;
  flex:1 1 auto;
  max-width:560px;
  height:48px;
  margin:0 auto;
  padding:0 6px 0 46px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:14px;
  transition:border-color var(--ease),box-shadow var(--ease);
}
.search-form:focus-within{border-color:var(--primary);box-shadow:0 0 0 3px var(--focus)}
.search-icon{
  position:absolute;left:16px;top:50%;transform:translateY(-50%);
  color:var(--muted);display:flex;pointer-events:none;
}
.search-form input{
  flex:1 1 auto;min-width:0;height:100%;border:0;background:transparent;
  font-size:15px;color:var(--ink);outline:none;
}
.search-form input::placeholder{color:#8A9792}
.search-form button{
  flex:none;height:36px;padding:0 18px;border:0;border-radius:var(--r-md);
  background:var(--primary);color:var(--bg);font-size:14px;font-weight:600;
  cursor:pointer;transition:background-color var(--ease),transform var(--ease);
}
.search-form button:hover{background:var(--primary-dark)}
.search-form button:active{transform:translateY(1px)}
.header-actions{display:flex;align-items:center;gap:14px;flex:none;margin-left:auto}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border-radius:var(--r-md);
  font-size:15px;font-weight:600;border:1px solid transparent;
  cursor:pointer;transition:all var(--ease);text-align:center;
}
.btn:hover{text-decoration:none;transform:translateY(-1px)}
.btn:active{transform:translateY(0)}
.btn-primary{background:var(--primary);color:#F7F3EC;border-color:var(--primary)}
.btn-primary:hover{background:var(--primary-dark);border-color:var(--primary-dark);color:#F7F3EC}
.btn-secondary{background:#fff;color:var(--primary);border-color:var(--primary)}
.btn-secondary:hover{background:var(--primary-soft);color:var(--primary-dark)}
.btn-light{background:#F7F3EC;color:var(--primary-dark);border-color:#F7F3EC}
.btn-light:hover{background:#fff;color:var(--primary-dark);border-color:#fff}
.btn-ghost-light{background:transparent;color:var(--footer-ink);border-color:rgba(233,240,236,.55)}
.btn-ghost-light:hover{background:rgba(233,240,236,.12);color:#fff;border-color:rgba(233,240,236,.8)}
.btn-sm{height:40px;padding:0 16px;font-size:14px}
.menu-toggle{
  display:none;width:44px;height:44px;border-radius:var(--r-md);
  border:1px solid var(--line);background:#fff;cursor:pointer;
  align-items:center;justify-content:center;color:var(--ink);flex:none;
}
.nav-bar{position:relative}
.nav-list{
  display:flex;align-items:center;gap:6px;
  height:44px;overflow-x:auto;scrollbar-width:none;
}
.nav-list::-webkit-scrollbar{display:none}
.nav-list a{
  display:inline-flex;align-items:center;height:32px;padding:0 14px;
  border-radius:999px;font-size:14px;font-weight:600;color:var(--ink-soft);
  white-space:nowrap;transition:all var(--ease);
}
.nav-list a:hover{color:var(--primary-dark);background:#F3F7F4;text-decoration:none}
.nav-list a.is-active{background:var(--primary-soft);color:var(--primary-dark)}

/* ---------- Page hero ---------- */
.page-hero{
  position:relative;
  overflow:hidden;
  padding:44px 0 68px;
  background:linear-gradient(160deg,#F7F3EC 0%,#EDF4F0 100%);
}
.wave-deco{
  position:absolute;right:-40px;top:12px;width:420px;height:240px;
  opacity:.08;pointer-events:none;
}
.hero-grid{display:grid;grid-template-columns:1.12fr .88fr;gap:52px;align-items:center}
.crumbs{font-size:13px;color:var(--muted);margin-bottom:20px}
.crumbs a{color:var(--muted)}
.crumbs a:hover{color:var(--primary)}
.crumbs .sep{margin:0 8px;color:#B3C0B9}
.crumbs .current{color:var(--primary);font-weight:600}
.page-hero h1{
  font-size:clamp(32px,4.2vw,48px);
  line-height:1.22;
  font-weight:700;
  margin-bottom:18px;
  letter-spacing:-.01em;
}
.hero-lead{
  font-size:17px;line-height:1.85;color:var(--muted);
  max-width:560px;margin-bottom:26px;
}
.anchor-pills{display:flex;flex-wrap:wrap;gap:10px}
.pill{
  display:inline-flex;align-items:center;height:38px;padding:0 18px;
  border-radius:999px;background:#fff;border:1px solid var(--line);
  font-size:14px;font-weight:600;color:var(--primary);
  transition:all var(--ease);
}
.pill:hover{background:var(--primary-soft);border-color:var(--primary);color:var(--primary-dark);text-decoration:none}
.hero-media img{
  width:100%;aspect-ratio:4/3;object-fit:cover;
  border-radius:var(--r-xl);box-shadow:var(--shadow-card);
  border:1px solid rgba(220,229,223,.9);
}

/* ---------- Sections ---------- */
.section{padding:84px 0}
.section-alt{background:var(--bg-alt)}
.section-head{max-width:740px;margin-bottom:36px}
.eyebrow{
  display:inline-block;font-size:13px;font-weight:700;letter-spacing:.08em;
  color:var(--accent-text);background:var(--accent-soft);
  padding:4px 12px;border-radius:999px;margin-bottom:16px;
}
.section-head h2{font-size:clamp(24px,2.6vw,32px);line-height:1.35;margin-bottom:14px}
.section-head p{font-size:16px;color:var(--muted);margin:0;max-width:680px}

/* ---------- Feature splits ---------- */
.splits{border-top:1px solid var(--line)}
.feature-split{
  display:grid;grid-template-columns:1fr 1fr;gap:52px;align-items:center;
  padding:52px 0;border-bottom:1px solid var(--line);
}
.feature-split:last-child{border-bottom:0}
.feature-split.reverse .split-media{order:2}
.split-media img{
  width:100%;aspect-ratio:16/10;object-fit:cover;
  border-radius:var(--r-lg);border:1px solid var(--line);
  box-shadow:var(--shadow-card);
  transition:transform 220ms ease-out,box-shadow var(--ease);
}
.feature-split:hover .split-media img{transform:scale(1.02);box-shadow:var(--shadow-hover)}
.split-index{
  display:inline-block;font-size:13px;font-weight:700;letter-spacing:.06em;
  color:var(--primary-dark);background:var(--primary-soft);
  padding:4px 12px;border-radius:var(--r-sm);margin-bottom:14px;
  font-variant-numeric:tabular-nums;
}
.feature-split h3{font-size:22px;line-height:1.5;margin-bottom:10px}
.split-text p{font-size:15.5px;color:var(--muted);margin:0}
.point-list{list-style:none;margin-top:22px;display:grid;gap:14px}
.point-list li{
  position:relative;padding-left:22px;font-size:15.5px;
  line-height:1.75;color:var(--ink-soft);
}
.point-list li::before{
  content:"";position:absolute;left:0;top:9px;
  width:8px;height:8px;border-radius:2px;background:var(--accent);
}

/* ---------- Compare table ---------- */
.table-wrap{
  overflow-x:auto;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-lg);box-shadow:var(--shadow-card);
}
table{width:100%;border-collapse:collapse;min-width:760px}
thead th{
  background:var(--primary-soft);color:var(--primary-dark);
  font-size:14px;font-weight:700;text-align:left;
  padding:16px 20px;white-space:nowrap;
}
tbody td{
  padding:16px 20px;font-size:15px;line-height:1.7;
  color:var(--ink-soft);border-top:1px solid var(--line);vertical-align:top;
}
tbody tr{transition:background-color var(--ease)}
tbody tr:hover{background:#F3F7F4}
td .cell-strong{color:var(--ink);font-weight:600}
.table-note{font-size:13px;color:var(--muted);margin:14px 0 0}

/* ---------- Scene tags ---------- */
.scene-tags{display:flex;flex-wrap:wrap;gap:12px;margin-top:8px}
.scene-tags span{
  display:inline-flex;align-items:center;min-height:44px;padding:0 20px;
  border-radius:999px;background:var(--primary-soft);color:var(--primary-dark);
  font-size:14.5px;font-weight:600;border:1px solid transparent;
  transition:all var(--ease);
}
.scene-tags span:nth-child(3n+2){background:var(--accent-soft);color:var(--accent-text)}
.scene-tags span:hover{border-color:currentColor;transform:translateY(-1px)}

/* ---------- FAQ ---------- */
.faq-grid{display:grid;grid-template-columns:320px 1fr;gap:56px;align-items:start}
.faq-aside{position:sticky;top:132px}
.faq-aside h2{font-size:clamp(24px,2.6vw,32px);line-height:1.35;margin-bottom:14px}
.faq-aside p{font-size:15px;color:var(--muted);margin-bottom:22px}
.faq-list{border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;
  gap:20px;min-height:56px;padding:16px 10px;
  background:transparent;border:0;text-align:left;cursor:pointer;
  font-size:16px;font-weight:600;color:var(--ink);line-height:1.6;
  transition:background-color var(--ease);
}
.faq-q:hover{background:#F3F7F4}
.faq-icon{position:relative;width:20px;height:20px;flex:none;color:var(--primary)}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;top:50%;left:50%;
  background:currentColor;border-radius:2px;
  transform:translate(-50%,-50%);transition:transform var(--ease),opacity var(--ease);
}
.faq-icon::before{width:14px;height:2px}
.faq-icon::after{width:2px;height:14px}
.faq-item.is-open .faq-icon::after{transform:translate(-50%,-50%) scaleY(0);opacity:0}
.faq-a{max-height:0;overflow:hidden;transition:max-height 220ms ease-out}
.faq-a p{
  margin:0;padding:0 10px 20px;font-size:15px;line-height:1.8;
  color:var(--muted);max-width:680px;
}

/* ---------- CTA band ---------- */
.cta-wrap{padding:0 0 84px}
.cta-band{
  background:var(--footer-bg);color:var(--footer-ink);
  border-radius:var(--r-xl);padding:56px;
  display:grid;grid-template-columns:1fr auto;gap:44px;align-items:center;
}
.cta-band h2{color:#fff;font-size:clamp(24px,2.6vw,32px);line-height:1.35;margin-bottom:14px}
.cta-band p{color:rgba(233,240,236,.78);margin:0;max-width:560px;font-size:15.5px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px}

/* ---------- Footer ---------- */
.site-footer{background:var(--footer-bg);color:var(--footer-ink);padding:64px 0 0}
.footer-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;
  gap:44px;padding-bottom:48px;
}
.footer-brand .logo{margin-bottom:18px}
.footer-brand .logo-text{color:#fff}
.footer-brand .logo-mark{background:var(--primary)}
.footer-brand p{font-size:14px;line-height:1.85;color:rgba(233,240,236,.72);margin:0;max-width:340px}
.footer-col h3{
  font-size:15px;font-weight:700;color:#fff;margin-bottom:16px;
  padding-bottom:12px;border-bottom:1px solid rgba(233,240,236,.14);
}
.footer-col ul{list-style:none;display:grid;gap:10px}
.footer-col a{font-size:14px;color:rgba(233,240,236,.78)}
.footer-col a:hover{color:var(--accent);text-decoration:underline;text-underline-offset:3px}
.footer-contact{display:grid;gap:10px;font-size:14px;color:rgba(233,240,236,.72)}
.footer-bottom{border-top:1px solid rgba(233,240,236,.14);padding:20px 0}
.footer-bottom .container{
  display:flex;flex-wrap:wrap;gap:12px 28px;align-items:center;justify-content:space-between;
  font-size:13px;color:rgba(233,240,236,.6);
}
.footer-bottom a{color:rgba(233,240,236,.8);font-size:13px}
.footer-bottom a:hover{color:var(--accent)}

/* ---------- Floating CTA ---------- */
.float-cta{
  position:fixed;right:24px;bottom:24px;z-index:55;
  display:flex;flex-direction:column;gap:10px;
}
.float-cta .btn{height:44px;padding:0 18px;font-size:14px;box-shadow:var(--shadow-card)}

/* ---------- Responsive ---------- */
@media (max-width:1199px){
  .hero-grid{gap:40px}
  .search-form{max-width:480px}
  .faq-grid{grid-template-columns:280px 1fr;gap:40px}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:36px}
  .footer-col:last-child{grid-column:1 / -1}
}
@media (max-width:991px){
  .header-top{height:68px;gap:16px}
  .search-form{max-width:420px}
  .hero-grid{grid-template-columns:1fr;gap:32px}
  .hero-media img{aspect-ratio:16/9}
  .feature-split{grid-template-columns:1fr;gap:28px;padding:40px 0}
  .feature-split.reverse .split-media{order:0}
  .section{padding:64px 0}
  .faq-grid{grid-template-columns:1fr;gap:28px}
  .faq-aside{position:static}
  .cta-band{grid-template-columns:1fr;padding:40px;gap:28px}
}
@media (max-width:767px){
  html{scroll-padding-top:120px}
  .container{padding:0 20px}
  .header-top{
    height:auto;flex-wrap:wrap;gap:10px;
    padding:12px 0 14px;
  }
  .logo-text{font-size:15px}
  .logo-mark{width:32px;height:32px;border-radius:9px}
  .header-actions{gap:10px}
  .header-actions .btn{height:40px;padding:0 14px;font-size:14px}
  .menu-toggle{display:inline-flex}
  .search-form{
    order:3;flex-basis:100%;max-width:none;height:46px;margin:0;
    padding-left:44px;
  }
  .search-icon{left:14px}
  .search-form button{height:34px;padding:0 14px}
  .nav-bar{display:none}
  .site-header.is-open .nav-bar{
    display:block;position:absolute;left:0;right:0;top:100%;
    background:#FBF8F2;border-bottom:1px solid var(--line);
    box-shadow:var(--shadow-nav);padding:12px 20px 16px;
  }
  .site-header.is-open .nav-list{
    flex-direction:column;align-items:stretch;height:auto;gap:4px;
  }
  .site-header.is-open .nav-list a{
    height:48px;border-radius:var(--r-md);padding:0 14px;
  }
  .page-hero{padding:28px 0 48px}
  .wave-deco{display:none}
  .hero-lead{font-size:15.5px;margin-bottom:22px}
  .anchor-pills{gap:8px}
  .pill{height:36px;padding:0 15px;font-size:13.5px}
  .hero-media img{border-radius:var(--r-lg)}
  .section{padding:48px 0}
  .section-head{margin-bottom:26px}
  .feature-split h3{font-size:19px}
  .point-list li{font-size:15px}
  .cta-wrap{padding:0 0 48px}
  .cta-band{padding:28px;border-radius:var(--r-lg)}
  .cta-actions .btn{width:100%}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;padding-bottom:36px}
  .footer-brand{grid-column:1 / -1}
  .footer-col:last-child{grid-column:1 / -1}
  .site-footer{padding-top:48px}
  .float-cta{
    left:0;right:0;bottom:0;flex-direction:row;
    gap:10px;padding:10px 16px calc(10px + env(safe-area-inset-bottom));
    background:#fff;border-top:1px solid var(--line);
    box-shadow:0 -4px 16px rgba(23,35,31,.06);
  }
  .float-cta .btn{flex:1 1 0;height:48px;box-shadow:none}
  body{padding-bottom:80px}
}
@media (max-width:520px){
  .footer-grid{grid-template-columns:1fr}
  .cta-band h2{font-size:22px}
  .scene-tags span{font-size:14px;padding:0 16px}
  .hero-media img{aspect-ratio:3/2}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{transition-duration:.01ms !important;animation-duration:.01ms !important}
  .btn:hover,.feature-split:hover .split-media img,.scene-tags span:hover{transform:none}
}

/* roulang page: category3 */
:root{
  --bg:#F7F3EC;
  --bg-soft:#EDF4F0;
  --card:#FFFFFF;
  --ink:#17231F;
  --muted:#5C6B65;
  --line:#DCE5DF;
  --primary:#176B5B;
  --primary-dark:#0F4E43;
  --primary-soft:#DCEBE6;
  --accent:#C96A4A;
  --accent-text:#9E4832;
  --accent-soft:#F4DCD2;
  --ring:rgba(201,106,74,0.32);
  --r-sm:8px;
  --r-md:10px;
  --r-lg:16px;
  --r-xl:22px;
  --shadow:0 8px 24px rgba(23,35,31,0.06);
  --shadow-hover:0 14px 32px rgba(23,35,31,0.10);
  --shadow-nav:0 6px 18px rgba(23,35,31,0.06);
  --dur:200ms;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.85;
  text-align:left;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--primary);text-decoration:none;transition:color var(--dur) ease-out;}
a:hover{color:var(--primary-dark);text-decoration:underline;text-underline-offset:3px;}
button{font-family:inherit;}
h1,h2,h3,h4{margin:0;color:var(--ink);}
p{margin:0 0 1.1em;}
p:last-child{margin-bottom:0;}
ul,ol{margin:0;padding:0;list-style:none;}
svg{display:block;}
:focus-visible{outline:3px solid var(--ring);outline-offset:2px;border-radius:6px;}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
.section{padding:88px 0;}
.section--soft{background:var(--bg-soft);}
.section-head{max-width:720px;margin-bottom:34px;}
.section-head h2{font-size:clamp(24px,2.6vw,32px);line-height:1.35;font-weight:700;letter-spacing:.2px;}
.section-head p{margin-top:14px;color:var(--muted);font-size:15px;line-height:1.85;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:600;letter-spacing:.08em;
  color:var(--accent-text);background:var(--accent-soft);
  padding:5px 12px;border-radius:999px;margin-bottom:16px;
}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:80;
  background:#FBF8F2;
  border-bottom:1px solid var(--line);
  transition:box-shadow var(--dur) ease-out;
}
.site-header.is-scrolled{box-shadow:var(--shadow-nav);}
.header-top{
  display:flex;align-items:center;gap:24px;
  height:76px;
}
.logo{display:inline-flex;align-items:center;gap:10px;flex-shrink:0;}
.logo:hover{text-decoration:none;}
.logo-mark{
  width:36px;height:36px;border-radius:10px;background:var(--primary);
  display:inline-flex;align-items:center;justify-content:center;flex-shrink:0;
}
.logo-text{
  font-size:18px;font-weight:700;color:var(--ink);letter-spacing:.2px;white-space:nowrap;
}
.logo-text:hover{color:var(--primary-dark);}

.search-form{
  position:relative;
  flex:1 1 auto;
  max-width:560px;
  margin:0 auto;
}
.search-form input[type="search"]{
  width:100%;height:48px;
  padding:0 92px 0 48px;
  font-size:14px;color:var(--ink);
  background:#FFFFFF;
  border:1px solid var(--line);
  border-radius:14px;
  transition:border-color var(--dur) ease-out,box-shadow var(--dur) ease-out;
  appearance:none;
}
.search-form input[type="search"]::placeholder{color:#8A9791;}
.search-form input[type="search"]:focus{
  outline:none;border-color:var(--primary);box-shadow:0 0 0 3px var(--ring);
}
.search-icon{
  position:absolute;left:16px;top:50%;transform:translateY(-50%);
  width:18px;height:18px;stroke:var(--muted);pointer-events:none;
}
.search-btn{
  position:absolute;right:6px;top:50%;transform:translateY(-50%);
  width:72px;height:36px;
  background:var(--primary);color:#F7F3EC;
  border:0;border-radius:10px;
  font-size:14px;font-weight:600;cursor:pointer;
  transition:background var(--dur) ease-out,transform var(--dur) ease-out;
}
.search-btn:hover{background:var(--primary-dark);transform:translateY(calc(-50% - 1px));}
.search-btn:active{transform:translateY(-50%);}

.header-actions{display:flex;align-items:center;gap:12px;flex-shrink:0;}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:0 20px;
  border-radius:10px;border:1px solid transparent;
  font-size:15px;font-weight:600;line-height:1.2;
  cursor:pointer;text-decoration:none;
  transition:background var(--dur) ease-out,color var(--dur) ease-out,border-color var(--dur) ease-out,transform var(--dur) ease-out,box-shadow var(--dur) ease-out;
}
.btn:hover{text-decoration:none;transform:translateY(-1px);}
.btn:active{transform:translateY(0);}
.btn-primary{background:var(--primary);color:#F7F3EC;}
.btn-primary:hover{background:var(--primary-dark);color:#F7F3EC;}
.btn-ghost{background:#FFFFFF;color:var(--primary);border-color:var(--primary);}
.btn-ghost:hover{background:var(--primary-soft);color:var(--primary-dark);}
.btn-sm{min-height:44px;padding:0 16px;font-size:14px;}
.btn-block{width:100%;}

.menu-toggle{
  display:none;
  align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 14px;
  background:#FFFFFF;border:1px solid var(--line);border-radius:10px;
  font-size:14px;font-weight:600;color:var(--ink);cursor:pointer;
  transition:background var(--dur) ease-out,border-color var(--dur) ease-out;
}
.menu-toggle:hover{background:var(--primary-soft);border-color:var(--primary);}

.nav-bar{border-top:1px solid var(--line);background:#FBF8F2;}
.nav-list{
  display:flex;align-items:center;gap:6px;
  height:44px;
  overflow-x:auto;
  scrollbar-width:none;
}
.nav-list::-webkit-scrollbar{display:none;}
.nav-list a{
  position:relative;
  display:inline-flex;align-items:center;
  height:32px;padding:0 14px;
  border-radius:999px;
  font-size:14px;font-weight:500;color:var(--muted);
  white-space:nowrap;
  transition:background var(--dur) ease-out,color var(--dur) ease-out;
}
.nav-list a:hover{color:var(--primary-dark);background:var(--primary-soft);text-decoration:none;}
.nav-list a.is-active{background:var(--primary-soft);color:var(--primary-dark);font-weight:600;}

/* 移动抽屉 */
.drawer{
  position:fixed;inset:0;z-index:120;
  background:#F7F3EC;
  padding:20px;
  overflow-y:auto;
}
.drawer[hidden]{display:none;}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:24px;}
.drawer-title{font-size:16px;font-weight:700;}
.drawer-close{
  width:44px;height:44px;border-radius:10px;border:1px solid var(--line);
  background:#FFFFFF;font-size:20px;color:var(--ink);cursor:pointer;
}
.drawer-nav{display:flex;flex-direction:column;gap:6px;margin-bottom:24px;}
.drawer-nav a{
  display:flex;align-items:center;justify-content:space-between;
  min-height:52px;padding:0 16px;
  background:#FFFFFF;border:1px solid var(--line);border-radius:12px;
  font-size:15px;font-weight:600;color:var(--ink);
}
.drawer-nav a.is-active{background:var(--primary-soft);border-color:var(--primary);color:var(--primary-dark);}
.drawer-nav a:hover{text-decoration:none;border-color:var(--primary);}

/* ============ 面包屑 ============ */
.breadcrumb{
  display:flex;align-items:center;flex-wrap:wrap;gap:8px;
  padding:20px 0 0;
  font-size:13px;color:var(--muted);
}
.breadcrumb a{color:var(--muted);}
.breadcrumb a:hover{color:var(--primary-dark);}
.breadcrumb .sep{color:#B3C0BA;}
.breadcrumb .current{color:var(--primary);font-weight:600;}

/* ============ 分类头部 ============ */
.cat-hero{
  position:relative;
  background:linear-gradient(180deg,#F7F3EC 0%,#EDF4F0 100%);
  padding:20px 0 76px;
  overflow:hidden;
}
.cat-hero .wave-deco{
  position:absolute;top:-10px;right:-40px;width:420px;height:auto;
  opacity:.07;pointer-events:none;
}
.cat-hero-grid{
  display:grid;grid-template-columns:1.2fr .8fr;gap:56px;align-items:center;
  position:relative;z-index:1;
}
.cat-hero h1{
  font-size:clamp(32px,4.2vw,48px);
  line-height:1.22;
  font-weight:700;
  letter-spacing:.5px;
  margin:16px 0 0;
}
.cat-hero h1 .hl{color:var(--primary);}
.cat-hero .lede{
  margin-top:18px;
  font-size:16px;line-height:1.85;color:var(--muted);
  max-width:560px;
}
.anchor-chips{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px;}
.anchor-chips a{
  display:inline-flex;align-items:center;gap:8px;
  min-height:40px;padding:0 16px;
  background:#FFFFFF;border:1px solid var(--line);border-radius:999px;
  font-size:14px;font-weight:600;color:var(--primary);
  transition:border-color var(--dur) ease-out,background var(--dur) ease-out,transform var(--dur) ease-out;
}
.anchor-chips a:hover{
  background:var(--primary-soft);border-color:var(--primary);
  color:var(--primary-dark);text-decoration:none;transform:translateY(-1px);
}
.anchor-chips .dot{width:6px;height:6px;border-radius:50%;background:var(--accent);}
.cat-hero-figure{
  border-radius:22px;overflow:hidden;
  box-shadow:var(--shadow);
  border:1px solid var(--line);
  background:var(--primary-soft);
  aspect-ratio:4/3;
}
.cat-hero-figure img{width:100%;height:100%;object-fit:cover;}

/* ============ 提示面板 ============ */
.notice-wrap{padding:0 0 8px;}
.notice-panel{
  display:flex;gap:18px;align-items:flex-start;
  background:var(--accent-soft);
  border:1px solid #E8C6B7;
  border-left:4px solid var(--accent);
  border-radius:var(--r-lg);
  padding:24px;
}
.notice-icon{
  flex-shrink:0;
  width:40px;height:40px;border-radius:10px;
  background:#FFFFFF;color:var(--accent-text);
  display:inline-flex;align-items:center;justify-content:center;
  font-weight:700;font-size:18px;
}
.notice-panel h2{font-size:20px;line-height:1.5;font-weight:700;color:var(--accent-text);margin-bottom:8px;}
.notice-panel p{font-size:15px;line-height:1.85;color:#5F3B2E;margin:0;}
.notice-panel p + p{margin-top:10px;}

/* ============ 验证步骤（时间线） ============ */
.steps-layout{
  display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:start;
}
.timeline{position:relative;padding-left:8px;}
.timeline::before{
  content:"";position:absolute;left:27px;top:18px;bottom:18px;
  width:1px;background:var(--line);
}
.tl-item{position:relative;display:flex;gap:20px;padding-bottom:34px;}
.tl-item:last-child{padding-bottom:0;}
.tl-num{
  position:relative;z-index:1;flex-shrink:0;
  width:40px;height:40px;border-radius:10px;
  background:var(--primary-soft);color:var(--primary-dark);
  display:inline-flex;align-items:center;justify-content:center;
  font-size:14px;font-weight:700;
  font-variant-numeric:tabular-nums;
  border:1px solid #C9DFD7;
}
.tl-body h3{font-size:20px;line-height:1.5;font-weight:600;margin-bottom:8px;}
.tl-body p{font-size:15px;line-height:1.85;color:var(--muted);margin:0 0 10px;}
.tl-body ul{display:flex;flex-direction:column;gap:7px;}
.tl-body li{
  position:relative;padding-left:18px;
  font-size:14px;line-height:1.75;color:var(--muted);
}
.tl-body li::before{
  content:"";position:absolute;left:0;top:10px;
  width:6px;height:6px;border-radius:50%;background:var(--accent);
}
.side-card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:24px;
  box-shadow:var(--shadow);
  position:sticky;top:150px;
}
.side-card h3{font-size:18px;line-height:1.5;font-weight:700;margin-bottom:6px;}
.side-card .side-sub{font-size:13px;color:var(--muted);margin-bottom:18px;}
.check-list{display:flex;flex-direction:column;gap:14px;}
.check-list li{display:flex;gap:10px;font-size:14px;line-height:1.75;color:var(--ink);}
.tick{
  flex-shrink:0;width:22px;height:22px;border-radius:6px;
  background:var(--primary-soft);color:var(--primary-dark);
  display:inline-flex;align-items:center;justify-content:center;
  margin-top:2px;
}
.side-card .side-foot{
  margin-top:20px;padding-top:18px;border-top:1px solid var(--line);
  font-size:13px;line-height:1.7;color:var(--muted);
}

/* ============ 建议做 / 避免做 ============ */
.dodont{
  display:grid;grid-template-columns:1fr 1fr;gap:24px;
}
.dd-card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:26px 24px;
  box-shadow:var(--shadow);
  transition:box-shadow var(--dur) ease-out,transform var(--dur) ease-out;
}
.dd-card:hover{box-shadow:var(--shadow-hover);transform:translateY(-2px);}
.dd-card h3{
  display:flex;align-items:center;gap:10px;
  font-size:18px;font-weight:700;margin-bottom:18px;
}
.dd-badge{
  display:inline-flex;align-items:center;justify-content:center;
  min-width:28px;height:28px;padding:0 10px;border-radius:999px;
  font-size:12px;font-weight:600;
}
.dd-badge.do{background:var(--primary-soft);color:var(--primary-dark);}
.dd-badge.dont{background:var(--accent-soft);color:var(--accent-text);}
.dd-card ul{display:flex;flex-direction:column;gap:14px;}
.dd-card li{display:flex;gap:10px;font-size:14.5px;line-height:1.78;color:var(--muted);}
.dd-card li strong{color:var(--ink);font-weight:600;}
.dd-mark{
  flex-shrink:0;width:20px;height:20px;border-radius:50%;
  display:inline-flex;align-items:center;justify-content:center;
  margin-top:3px;
}
.dd-mark.do{background:var(--primary-soft);color:var(--primary-dark);}
.dd-mark.dont{background:var(--accent-soft);color:var(--accent-text);}

/* ============ FAQ ============ */
.faq-layout{display:grid;grid-template-columns:320px 1fr;gap:56px;align-items:start;}
.faq-aside{position:sticky;top:150px;}
.faq-aside h2{font-size:clamp(24px,2.6vw,32px);line-height:1.35;font-weight:700;}
.faq-aside p{margin-top:14px;font-size:15px;line-height:1.85;color:var(--muted);}
.faq-aside .btn{margin-top:22px;}
.faq-list{border-top:1px solid var(--line);}
.faq-item{border-bottom:1px solid var(--line);}
.faq-item summary{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  min-height:60px;padding:16px 4px;
  font-size:16px;font-weight:600;color:var(--ink);
  cursor:pointer;list-style:none;
  transition:background var(--dur) ease-out,color var(--dur) ease-out;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{background:#F3F7F4;color:var(--primary-dark);}
.faq-item summary::after{
  content:"";flex-shrink:0;
  width:20px;height:20px;
  background:
    linear-gradient(var(--primary),var(--primary)) center/12px 1.5px no-repeat,
    linear-gradient(var(--primary),var(--primary)) center/1.5px 12px no-repeat;
  transition:transform var(--dur) ease-out;
}
.faq-item[open] summary::after{
  background:linear-gradient(var(--accent),var(--accent)) center/12px 1.8px no-repeat;
  transform:rotate(180deg);
}
.faq-a{padding:0 4px 22px;}
.faq-a p{font-size:15px;line-height:1.85;color:var(--muted);max-width:680px;}

/* ============ 相关阅读 ============ */
.read-list{
  display:grid;grid-template-columns:repeat(3,1fr);gap:20px;
}
.read-card{
  display:flex;flex-direction:column;gap:10px;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:22px;
  box-shadow:var(--shadow);
  transition:box-shadow var(--dur) ease-out,transform var(--dur) ease-out,border-color var(--dur) ease-out;
}
.read-card:hover{
  box-shadow:var(--shadow-hover);transform:translateY(-2px);
  border-color:#C9DFD7;text-decoration:none;
}
.read-card .rc-tag{
  align-self:flex-start;
  font-size:12px;font-weight:600;color:var(--accent-text);
  background:var(--accent-soft);border-radius:999px;padding:4px 10px;
}
.read-card h3{font-size:17px;line-height:1.55;font-weight:600;color:var(--ink);}
.read-card:hover h3{color:var(--primary);}
.read-card p{font-size:14px;line-height:1.75;color:var(--muted);margin:0;}
.read-card .rc-arrow{
  margin-top:auto;font-size:14px;font-weight:600;color:var(--primary);
  display:inline-flex;align-items:center;gap:6px;
}

/* ============ 结尾 CTA ============ */
.final-cta{
  background:#12201B;color:#E9F0EC;
  border-radius:0;
  padding:80px 0;
  position:relative;overflow:hidden;
}
.final-cta .cta-grid{
  display:grid;grid-template-columns:1.35fr .65fr;gap:48px;align-items:center;
  position:relative;z-index:1;
}
.final-cta h2{font-size:clamp(24px,2.8vw,34px);line-height:1.32;font-weight:700;color:#F7F3EC;}
.final-cta p{margin-top:16px;font-size:15px;line-height:1.85;color:#B9C9C2;max-width:620px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px;}
.btn-cream{background:#F7F3EC;color:#0F4E43;border-color:#F7F3EC;}
.btn-cream:hover{background:#FFFFFF;color:#0F4E43;}
.btn-outline-cream{background:transparent;color:#F7F3EC;border-color:#7E9691;}
.btn-outline-cream:hover{background:rgba(247,243,236,.12);color:#F7F3EC;border-color:#F7F3EC;}
.cta-side{
  border:1px solid rgba(233,240,236,.18);
  border-radius:var(--r-lg);
  padding:24px;
  background:rgba(247,243,236,.04);
}
.cta-side h3{font-size:16px;font-weight:700;color:#F7F3EC;margin-bottom:14px;}
.cta-side ul{display:flex;flex-direction:column;gap:12px;}
.cta-side li{display:flex;gap:10px;font-size:14px;line-height:1.7;color:#B9C9C2;}
.cta-side .dot{width:6px;height:6px;border-radius:50%;background:var(--accent);margin-top:9px;flex-shrink:0;}

/* ============ 浮动 CTA ============ */
.fab{
  position:fixed;right:24px;bottom:24px;z-index:70;
  display:flex;flex-direction:column;gap:10px;
  opacity:0;visibility:hidden;transform:translateY(12px);
  transition:opacity var(--dur) ease-out,transform var(--dur) ease-out,visibility var(--dur);
}
.fab.is-visible{opacity:1;visibility:visible;transform:translateY(0);}
.fab .btn{box-shadow:0 10px 24px rgba(23,35,31,.16);min-height:44px;font-size:14px;}
.fab .btn-ghost{background:#FFFFFF;}

/* ============ 页脚 ============ */
.site-footer{background:#12201B;color:#E9F0EC;padding:64px 0 0;}
.footer-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;
  padding-bottom:48px;
}
.footer-brand .logo{margin-bottom:16px;}
.footer-brand .logo-text{color:#F7F3EC;}
.footer-brand p{font-size:14px;line-height:1.8;color:#A9BBB4;max-width:340px;}
.footer-col h3{font-size:15px;font-weight:700;color:#F7F3EC;margin-bottom:16px;}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col a{font-size:14px;line-height:1.8;color:#B9C9C2;}
.footer-col a:hover{color:#E08C63;text-decoration:underline;text-underline-offset:3px;}
.footer-contact{display:flex;flex-direction:column;gap:10px;font-size:14px;line-height:1.8;color:#B9C9C2;}
.footer-bottom{border-top:1px solid rgba(233,240,236,.14);padding:20px 0;}
.footer-bottom .container{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;
  font-size:13px;color:#93A69F;
}
.footer-bottom a{color:#B9C9C2;font-size:13px;}
.footer-bottom a:hover{color:#E08C63;}

section[id],.notice-wrap[id]{scroll-margin-top:150px;}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  .cat-hero-grid{gap:40px;grid-template-columns:1.15fr .85fr;}
  .faq-layout{grid-template-columns:280px 1fr;gap:40px;}
  .search-form{max-width:480px;}
}
@media (max-width:991px){
  .header-top{height:auto;flex-wrap:wrap;padding-top:12px;padding-bottom:12px;gap:12px;}
  .logo{order:1;}
  .header-actions{order:2;margin-left:auto;}
  .search-form{order:3;flex:1 1 100%;max-width:none;margin:0;}
  .menu-toggle{display:inline-flex;}
  .cat-hero-grid{grid-template-columns:1fr;gap:32px;}
  .cat-hero-figure{max-width:560px;}
  .steps-layout{grid-template-columns:1fr;gap:32px;}
  .side-card{position:static;}
  .faq-layout{grid-template-columns:1fr;gap:28px;}
  .faq-aside{position:static;}
  .read-list{grid-template-columns:1fr 1fr;}
  .final-cta .cta-grid{grid-template-columns:1fr;gap:32px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:767px){
  .container{padding:0 20px;}
  body{font-size:15px;line-height:1.8;}
  .section{padding:52px 0;}
  .cat-hero{padding:12px 0 56px;}
  .cat-hero .lede{font-size:15px;}
  .cat-hero .wave-deco{display:none;}
  .anchor-chips a{min-height:44px;font-size:13.5px;padding:0 14px;}
  .dodont{grid-template-columns:1fr;}
  .read-list{grid-template-columns:1fr;}
  .notice-panel{flex-direction:column;gap:14px;padding:20px;}
  .tl-body h3{font-size:18px;}
  .final-cta{padding:56px 0;}
  .cta-actions .btn{width:100%;}
  .fab{
    left:0;right:0;bottom:0;
    flex-direction:row;
    padding:10px 16px calc(10px + env(safe-area-inset-bottom));
    background:#FFFFFF;border-top:1px solid var(--line);
    gap:10px;
    transform:translateY(0);
    box-shadow:0 -6px 18px rgba(23,35,31,.06);
  }
  .fab .btn{flex:1;}
  .fab .fab-top{flex:0 0 96px;}
  body{padding-bottom:80px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom .container{flex-direction:column;align-items:flex-start;gap:8px;}
}
@media (max-width:520px){
  .logo-text{font-size:15px;}
  .logo-mark{width:32px;height:32px;border-radius:9px;}
  .header-actions .btn-sm{display:none;}
  .faq-item summary{font-size:15px;}
  .cat-hero h1{font-size:30px;}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;scroll-behavior:auto !important;}
  .btn:hover,.dd-card:hover,.read-card:hover{transform:none;}
}

/* roulang page: category4 */
:root{
  --bg:#F7F3EC;
  --bg-soft:#EDF4F0;
  --surface:#FFFFFF;
  --surface-alt:#FBF8F2;
  --ink:#17231F;
  --muted:#5C6B65;
  --line:#DCE5DF;
  --primary:#176B5B;
  --primary-dark:#0F4E43;
  --primary-soft:#DCEBE6;
  --accent:#C96A4A;
  --accent-text:#9E4832;
  --accent-soft:#F4DCD2;
  --focus:rgba(201,106,74,0.32);
  --footer-bg:#12201B;
  --footer-text:#E9F0EC;
  --radius-sm:8px;
  --radius-md:10px;
  --radius-lg:16px;
  --radius-xl:22px;
  --shadow-card:0 8px 24px rgba(23,35,31,0.06);
  --shadow-hover:0 14px 32px rgba(23,35,31,0.10);
  --shadow-nav:0 6px 18px rgba(23,35,31,0.06);
  --t:180ms ease-out;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.85;
  text-align:left;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,ul,ol,figure,blockquote,table{margin:0;}
ul,ol{padding:0;list-style:none;}
img{max-width:100%;display:block;}
a{color:var(--primary);text-decoration:none;transition:color var(--t);}
a:hover{color:var(--primary-dark);text-decoration:underline;text-underline-offset:3px;}
button{font-family:inherit;cursor:pointer;}
input,select,textarea{font-family:inherit;font-size:15px;color:var(--ink);}
:focus-visible{outline:3px solid var(--focus);outline-offset:2px;border-radius:6px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0;}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:var(--surface-alt);
  border-bottom:1px solid var(--line);
  transition:box-shadow var(--t);
}
.site-header.is-scrolled{box-shadow:var(--shadow-nav);}
.header-top-inner{display:flex;align-items:center;gap:24px;height:76px;}
.logo{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;text-decoration:none;}
.logo:hover{text-decoration:none;}
.logo-mark{
  width:36px;height:36px;border-radius:10px;background:var(--primary);
  display:grid;place-items:center;flex:0 0 auto;
}
.logo-text{font-size:18px;font-weight:700;color:var(--ink);letter-spacing:.01em;line-height:1.2;}
.search-form{
  flex:1 1 auto;max-width:560px;margin:0 auto;
  display:flex;align-items:center;gap:8px;
  height:48px;padding:0 6px 0 16px;background:#fff;
  border:1px solid var(--line);border-radius:14px;
  transition:border-color var(--t),box-shadow var(--t);
  min-width:0;
}
.search-form:focus-within{border-color:var(--primary);box-shadow:0 0 0 3px var(--focus);}
.search-icon{width:18px;height:18px;color:var(--muted);flex:0 0 auto;}
.search-form input{
  flex:1 1 auto;min-width:0;height:100%;border:0;background:transparent;
  outline:none;font-size:15px;color:var(--ink);
}
.search-form input::placeholder{color:#8A9791;}
.search-submit{
  flex:0 0 auto;width:72px;height:36px;border:0;border-radius:10px;
  background:var(--primary);color:#F7F3EC;font-size:14px;font-weight:600;
  transition:background var(--t),transform var(--t);
}
.search-submit:hover{background:var(--primary-dark);transform:translateY(-1px);}
.search-submit:active{transform:translateY(0);}
.header-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.menu-toggle{
  display:none;align-items:center;justify-content:center;gap:6px;
  min-width:44px;height:44px;padding:0 14px;border-radius:10px;
  background:#fff;border:1px solid var(--line);color:var(--ink);
  font-size:14px;font-weight:600;transition:border-color var(--t),color var(--t);
}
.menu-toggle:hover{border-color:var(--primary);color:var(--primary);}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:0 20px;border-radius:var(--radius-md);
  font-size:15px;font-weight:600;line-height:1.2;border:1px solid transparent;
  transition:background var(--t),color var(--t),border-color var(--t),transform var(--t),box-shadow var(--t);
  text-decoration:none;
}
.btn:hover{text-decoration:none;transform:translateY(-1px);}
.btn:active{transform:translateY(0);}
.btn-primary{background:var(--primary);color:#F7F3EC;}
.btn-primary:hover{background:var(--primary-dark);color:#F7F3EC;}
.btn-ghost{background:#fff;border-color:var(--primary);color:var(--primary);}
.btn-ghost:hover{background:var(--primary-soft);color:var(--primary-dark);}
.btn-sm{min-height:40px;padding:0 16px;font-size:14px;}
.btn-block{width:100%;}
.btn-light{background:#F7F3EC;color:var(--primary-dark);}
.btn-light:hover{background:#fff;color:var(--primary-dark);}
.btn-outline-light{background:transparent;border-color:rgba(233,240,236,.5);color:#E9F0EC;}
.btn-outline-light:hover{background:rgba(233,240,236,.12);color:#fff;}

.nav-bar{border-top:1px solid var(--line);background:var(--surface-alt);}
.nav-list{
  display:flex;align-items:center;gap:6px;
  max-width:1200px;margin:0 auto;padding:0 24px;height:44px;
  overflow-x:auto;scrollbar-width:none;
}
.nav-list::-webkit-scrollbar{display:none;}
.nav-list a{
  display:inline-flex;align-items:center;height:32px;padding:0 14px;
  border-radius:999px;font-size:14px;color:var(--muted);white-space:nowrap;
  transition:background var(--t),color var(--t);
}
.nav-list a:hover{color:var(--primary-dark);background:#F0F5F1;text-decoration:none;}
.nav-list a.is-active{background:var(--primary-soft);color:var(--primary);font-weight:600;}

/* ---------- drawer ---------- */
.drawer{
  position:fixed;inset:0;z-index:120;background:var(--surface-alt);
  transform:translateX(100%);transition:transform 220ms ease-out;
  display:flex;flex-direction:column;padding:20px;
  overflow-y:auto;
}
.drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:20px;}
.drawer-close{
  width:44px;height:44px;border-radius:10px;border:1px solid var(--line);
  background:#fff;font-size:20px;line-height:1;color:var(--ink);
}
.drawer-nav{display:flex;flex-direction:column;gap:6px;margin-bottom:24px;}
.drawer-nav a{
  display:flex;align-items:center;min-height:48px;padding:0 16px;
  border-radius:10px;font-size:16px;color:var(--ink);border:1px solid transparent;
}
.drawer-nav a:hover{background:#F0F5F1;text-decoration:none;}
.drawer-nav a.is-active{background:var(--primary-soft);color:var(--primary);font-weight:600;}
.drawer-cta{display:flex;flex-direction:column;gap:12px;}

/* ---------- breadcrumb ---------- */
.crumb{
  padding:18px 0 0;font-size:13px;color:var(--muted);
  display:flex;align-items:center;gap:8px;flex-wrap:wrap;
}
.crumb a{color:var(--muted);}
.crumb a:hover{color:var(--primary);}
.crumb .sep{color:#A9B6B0;}
.crumb .current{color:var(--primary);font-weight:600;}

/* ---------- hero ---------- */
.cat-hero{
  position:relative;overflow:hidden;
  background:linear-gradient(160deg,#F7F3EC 0%,#EDF4F0 100%);
  padding:32px 0 64px;
}
.wave-deco{
  position:absolute;top:-10px;right:-40px;width:520px;height:320px;
  opacity:.07;pointer-events:none;
}
.cat-hero-grid{display:grid;grid-template-columns:1.12fr .88fr;gap:48px;align-items:center;position:relative;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;height:28px;padding:0 12px;
  border-radius:999px;background:var(--accent-soft);color:var(--accent-text);
  font-size:12px;font-weight:600;margin-bottom:18px;
}
.eyebrow .dot{width:6px;height:6px;border-radius:50%;background:var(--accent);}
h1{
  font-size:clamp(32px,4.2vw,48px);
  line-height:1.22;font-weight:700;letter-spacing:-0.01em;
  max-width:16em;
}
.hero-lead{
  margin-top:18px;font-size:16px;line-height:1.85;color:var(--muted);
  max-width:34em;
}
.hero-pills{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px;}
.pill-link{
  display:inline-flex;align-items:center;gap:6px;min-height:38px;padding:0 16px;
  border-radius:999px;background:#fff;border:1px solid var(--line);
  font-size:14px;color:var(--primary);font-weight:600;
  transition:border-color var(--t),background var(--t),transform var(--t);
}
.pill-link:hover{border-color:var(--primary);background:var(--primary-soft);text-decoration:none;transform:translateY(-1px);}
.hero-figure{position:relative;}
.hero-figure img{
  width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--radius-xl);
  border:1px solid var(--line);box-shadow:var(--shadow-card);
}
.img-fallback{background:var(--primary-soft);min-height:180px;}

/* ---------- sections ---------- */
.section{padding:84px 0;}
.section-alt{background:var(--bg-soft);}
.section-head{max-width:720px;margin-bottom:34px;}
.section-kicker{
  display:inline-block;font-size:13px;font-weight:600;color:var(--accent-text);
  letter-spacing:.08em;margin-bottom:12px;
}
h2{
  font-size:clamp(24px,2.6vw,32px);line-height:1.35;font-weight:700;
}
.section-head p{margin-top:14px;color:var(--muted);font-size:15.5px;line-height:1.85;}
h3{font-size:18px;line-height:1.5;font-weight:600;}

/* ---------- symptom cards ---------- */
.symptom-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}
.symptom-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:24px;box-shadow:var(--shadow-card);
  transition:transform var(--t),box-shadow var(--t),border-color var(--t);
  display:flex;gap:16px;align-items:flex-start;
}
.symptom-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:#C9DAD2;}
.symptom-num{
  flex:0 0 auto;width:40px;height:40px;border-radius:var(--radius-sm);
  background:var(--primary-soft);color:var(--primary-dark);
  display:grid;place-items:center;font-size:15px;font-weight:700;
  font-variant-numeric:tabular-nums;
}
.symptom-body h3{font-size:17px;margin-bottom:8px;}
.symptom-body p{font-size:14px;line-height:1.75;color:var(--muted);}
.symptom-tag{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:999px;
  background:var(--primary-soft);color:var(--primary);font-size:12px;font-weight:600;
  margin-top:12px;
}
.symptom-tag.warn{background:var(--accent-soft);color:var(--accent-text);}

/* ---------- table ---------- */
.table-wrap{
  overflow-x:auto;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius-lg);box-shadow:var(--shadow-card);
}
table{width:100%;border-collapse:collapse;min-width:720px;}
caption{
  caption-side:top;text-align:left;padding:20px 24px 0;
  font-size:14px;color:var(--muted);
}
thead th{
  background:var(--primary-soft);color:var(--primary-dark);
  font-size:14px;font-weight:600;text-align:left;padding:14px 20px;
  white-space:nowrap;
}
tbody td{
  padding:16px 20px;font-size:14.5px;line-height:1.7;color:var(--ink);
  border-top:1px solid var(--line);vertical-align:top;
}
tbody tr:hover{background:#F3F7F4;}
tbody td:first-child{font-weight:600;color:var(--primary-dark);}
.td-muted{color:var(--muted);}

/* ---------- steps (details) ---------- */
.steps{display:grid;grid-template-columns:340px 1fr;gap:48px;align-items:start;}
.steps-intro{position:sticky;top:150px;}
.steps-intro h2{margin-bottom:14px;}
.steps-intro p{color:var(--muted);font-size:15px;line-height:1.85;}
.steps-note{
  margin-top:22px;padding:18px 20px;border-radius:var(--radius-lg);
  background:var(--accent-soft);border:1px solid #EBC9BB;
  font-size:14px;line-height:1.8;color:var(--accent-text);
}
.step-item{
  background:var(--surface);border:1px solid var(--line);border-radius:14px;
  margin-bottom:12px;overflow:hidden;transition:box-shadow var(--t),border-color var(--t);
}
.step-item:hover{border-color:#C9DAD2;box-shadow:var(--shadow-card);}
.step-item summary{
  display:flex;align-items:center;gap:14px;
  min-height:60px;padding:12px 20px;
  list-style:none;cursor:pointer;font-size:16px;font-weight:600;color:var(--ink);
  transition:background var(--t);
}
.step-item summary::-webkit-details-marker{display:none;}
.step-item summary:hover{background:#F3F7F4;}
.step-item summary .step-index{
  flex:0 0 auto;width:28px;height:28px;border-radius:8px;
  background:var(--primary-soft);color:var(--primary-dark);
  display:grid;place-items:center;font-size:13px;font-weight:700;
  font-variant-numeric:tabular-nums;
}
.step-item summary .plus{
  margin-left:auto;flex:0 0 auto;width:22px;height:22px;position:relative;
}
.step-item summary .plus::before,
.step-item summary .plus::after{
  content:"";position:absolute;left:50%;top:50%;background:var(--primary);
  border-radius:2px;transform:translate(-50%,-50%);
  transition:transform var(--t),opacity var(--t);
}
.step-item summary .plus::before{width:14px;height:2px;}
.step-item summary .plus::after{width:2px;height:14px;}
.step-item[open] summary .plus::after{transform:translate(-50%,-50%) rotate(90deg);opacity:0;}
.step-body{padding:0 20px 20px 62px;font-size:15px;line-height:1.85;color:var(--muted);}
.step-body ul{display:grid;gap:8px;margin-top:6px;}
.step-body li{position:relative;padding-left:16px;}
.step-body li::before{
  content:"";position:absolute;left:0;top:.72em;width:6px;height:6px;
  border-radius:50%;background:var(--primary);
}

/* ---------- form ---------- */
.feedback-wrap{
  display:grid;grid-template-columns:.85fr 1.15fr;gap:48px;align-items:start;
}
.feedback-aside h2{margin-bottom:14px;}
.feedback-aside p{color:var(--muted);font-size:15px;line-height:1.85;}
.feedback-points{display:grid;gap:12px;margin-top:24px;}
.feedback-points li{
  display:flex;gap:12px;align-items:flex-start;
  font-size:14.5px;color:var(--ink);
}
.check-dot{
  flex:0 0 auto;width:22px;height:22px;border-radius:50%;
  background:var(--primary-soft);color:var(--primary);
  display:grid;place-items:center;font-size:12px;font-weight:700;margin-top:2px;
}
.feedback-form{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:28px;box-shadow:var(--shadow-card);
}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px;}
.field{display:flex;flex-direction:column;gap:8px;}
.field.full{grid-column:1 / -1;}
.field label{font-size:13px;font-weight:600;color:var(--ink);}
.field input,.field select,.field textarea{
  width:100%;height:46px;padding:0 14px;border-radius:var(--radius-md);
  border:1px solid var(--line);background:#fff;color:var(--ink);
  transition:border-color var(--t),box-shadow var(--t);
}
.field textarea{height:120px;padding:12px 14px;resize:vertical;line-height:1.7;}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--primary);box-shadow:0 0 0 3px var(--focus);
}
.field .hint{font-size:12.5px;color:var(--muted);line-height:1.6;}
.checkbox-row{
  grid-column:1 / -1;display:flex;gap:10px;align-items:flex-start;
  font-size:13px;color:var(--muted);line-height:1.7;
}
.checkbox-row input{width:18px;height:18px;margin-top:2px;accent-color:var(--primary);}
.form-actions{grid-column:1 / -1;display:flex;align-items:center;gap:14px;flex-wrap:wrap;}
.form-actions .note{font-size:12.5px;color:var(--muted);}

/* ---------- related ---------- */
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.related-card{
  display:flex;flex-direction:column;gap:10px;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:22px;box-shadow:var(--shadow-card);
  transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.related-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:#C9DAD2;text-decoration:none;}
.related-card .badge{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:999px;
  background:var(--accent-soft);color:var(--accent-text);font-size:12px;font-weight:600;
  align-self:flex-start;
}
.related-card h3{font-size:17px;color:var(--ink);}
.related-card p{font-size:14px;line-height:1.75;color:var(--muted);}
.related-card .more{font-size:14px;font-weight:600;color:var(--primary);margin-top:auto;}

/* ---------- cta band ---------- */
.cta-band{
  background:var(--footer-bg);color:var(--footer-text);
  padding:64px 0;position:relative;overflow:hidden;
}
.cta-band .wave-deco{opacity:.10;right:-60px;top:-40px;}
.cta-inner{
  display:flex;align-items:center;justify-content:space-between;gap:40px;
  position:relative;
}
.cta-inner h2{color:#F7F3EC;max-width:22em;}
.cta-inner p{margin-top:12px;color:#B9C9C2;font-size:15px;line-height:1.85;max-width:34em;}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;flex:0 0 auto;}

/* ---------- footer ---------- */
.site-footer{background:var(--footer-bg);color:var(--footer-text);padding:64px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;}
.footer-brand .logo-text{color:#F7F3EC;}
.footer-brand .logo-mark{background:var(--primary);}
.footer-brand p{margin-top:16px;font-size:14px;line-height:1.85;color:#B9C9C2;max-width:32em;}
.footer-col h3{font-size:15px;color:#F7F3EC;margin-bottom:16px;font-weight:600;}
.footer-col ul{display:grid;gap:10px;}
.footer-col a{font-size:14px;line-height:1.8;color:#C6D4CD;}
.footer-col a:hover{color:var(--accent);text-decoration:underline;text-underline-offset:3px;}
.footer-contact{display:grid;gap:10px;font-size:14px;line-height:1.8;color:#C6D4CD;}
.footer-bottom{
  margin-top:48px;border-top:1px solid rgba(233,240,236,.14);padding:20px 0;
}
.footer-bottom .container{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:#9FB3AB;
}
.footer-bottom a{color:#C6D4CD;font-size:13px;}
.footer-bottom a:hover{color:var(--accent);}

/* ---------- floating cta ---------- */
.float-cta{
  position:fixed;right:24px;bottom:24px;z-index:70;
  display:flex;flex-direction:column;gap:10px;
  transition:opacity var(--t),transform var(--t);
}
.float-cta.is-hidden{opacity:0;pointer-events:none;transform:translateY(8px);}
.float-cta .btn{box-shadow:var(--shadow-hover);}
.float-cta .btn-ghost{background:#fff;}

/* ---------- responsive ---------- */
@media (max-width:1199px){
  .cat-hero-grid{gap:36px;}
  .steps{grid-template-columns:290px 1fr;gap:36px;}
  .search-form{max-width:480px;}
}
@media (max-width:991px){
  .header-top-inner{height:64px;gap:14px;flex-wrap:wrap;padding-top:10px;padding-bottom:10px;height:auto;}
  .header-actions .btn-primary{display:none;}
  .menu-toggle{display:inline-flex;}
  .search-form{order:3;flex:1 1 100%;max-width:none;height:46px;margin:0;}
  .nav-bar{display:none;}
  .cat-hero{padding:24px 0 52px;}
  .cat-hero-grid{grid-template-columns:1fr;gap:28px;}
  .hero-figure{order:2;}
  .section{padding:56px 0;}
  .symptom-grid{grid-template-columns:1fr;}
  .steps{grid-template-columns:1fr;gap:28px;}
  .steps-intro{position:static;}
  .feedback-wrap{grid-template-columns:1fr;gap:28px;}
  .related-grid{grid-template-columns:1fr 1fr;}
  .cta-inner{flex-direction:column;align-items:flex-start;gap:24px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .float-cta{
    left:0;right:0;bottom:0;flex-direction:row;gap:12px;
    background:#fff;border-top:1px solid var(--line);
    padding:10px 20px calc(10px + env(safe-area-inset-bottom));
  }
  .float-cta .btn{flex:1 1 0;min-height:48px;box-shadow:none;}
  .float-cta .btn-ghost{background:var(--surface-alt);}
  body{padding-bottom:80px;}
}
@media (max-width:767px){
  .container{padding:0 20px;}
  body{font-size:15px;line-height:1.8;}
  h1{font-size:clamp(28px,7vw,34px);}
  .hero-lead{font-size:15px;}
  .section{padding:48px 0;}
  .section-head{margin-bottom:26px;}
  .wave-deco{display:none;}
  .symptom-card{padding:20px;gap:14px;}
  .step-item summary{min-height:56px;padding:12px 16px;font-size:15px;gap:10px;}
  .step-body{padding:0 16px 18px 52px;font-size:14.5px;}
  .feedback-form{padding:20px;}
  .form-grid{grid-template-columns:1fr;}
  .form-actions{flex-direction:column;align-items:stretch;}
  .form-actions .btn{width:100%;}
  .related-grid{grid-template-columns:1fr;}
  .cta-band{padding:48px 0;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom .container{flex-direction:column;align-items:flex-start;gap:8px;}
  .logo-text{font-size:15px;}
  .logo-mark{width:32px;height:32px;border-radius:9px;}
  .search-submit{width:64px;}
  table{min-width:640px;}
}
@media (max-width:519px){
  .hero-pills .pill-link{flex:1 1 calc(50% - 10px);justify-content:center;}
  .search-form{padding-left:12px;}
  .search-form input{font-size:14px;}
  .eyebrow{font-size:11.5px;}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{transition:none !important;animation:none !important;}
  html{scroll-behavior:auto;}
  .btn:hover,.btn:active,.symptom-card:hover,.related-card:hover,.pill-link:hover{transform:none;}
}