/* roulang page: index */
:root{
  --brand:#F4572E; --brand-dark:#C93C12; --brand-soft:#FFD9CB;
  --accent:#3E6B5E; --accent-soft:#DCEFE6;
  --bg:#FAF5EF; --card:#FFFFFF; --ink:#201A16; --muted:#6F625A; --line:#EBDFD6; --dark:#1F1814;
  --grad:linear-gradient(135deg,#FF9B54 0%,#F4572E 100%);
  --shadow:0 12px 30px rgba(80,40,10,.08);
  --radius-lg:28px; --radius-md:18px;
  --font:"HarmonyOS Sans SC","MiSans","PingFang SC","Microsoft YaHei","Noto Sans CJK SC",sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--font);background:var(--bg);color:var(--ink);line-height:1.75;font-size:16px}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
button,input{font:inherit}
ul,ol{list-style:none}
.container{width:min(1200px,100% - 40px);margin-inline:auto}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:999px;height:48px;padding:0 22px;font-weight:600;cursor:pointer;border:0;transition:.25s}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 10px 22px rgba(244,87,46,.26)}
.btn-primary:hover{filter:brightness(1.07);transform:translateY(-2px)}
.btn-ghost{background:#fff;color:var(--ink);border:1px solid var(--line);box-shadow:0 4px 10px rgba(60,20,0,.03)}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand-dark);transform:translateY(-2px)}
.btn:focus-visible{outline:2px solid var(--brand);outline-offset:3px}
.tag{display:inline-block;background:var(--brand-soft);color:var(--brand-dark);border-radius:999px;padding:5px 12px;font-size:12px;font-weight:600;margin-right:6px}
.tag-green{background:var(--accent-soft);color:var(--accent)}
.sec-label{display:inline-block;background:var(--brand-soft);color:var(--brand-dark);border-radius:999px;padding:6px 14px;font-size:13px;font-weight:600;margin-bottom:18px}

/* topbar / header / nav，与整站视觉统一 */
.topbar{background:var(--dark);color:rgba(255,255,255,.78);font-size:13px;height:40px}
.topbar-inner{display:flex;height:40px;align-items:center;justify-content:space-between}
.topbar a{color:#fff;opacity:.86;transition:.2s}
.topbar a:hover{opacity:1}
.topbar-right{display:flex;gap:20px}
.site-header{position:sticky;top:0;z-index:50;background:rgba(250,245,239,.92);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.nav-bar{display:flex;align-items:center;justify-content:space-between;height:74px;gap:24px}
.logo{display:inline-flex;align-items:center;gap:10px;font-size:26px;font-weight:900;letter-spacing:-.02em}
.logo svg{width:34px;height:34px}
.logo span{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.nav-links{display:flex;align-items:center;gap:6px;margin-left:auto}
.nav-links a{display:inline-block;padding:10px 16px;border-radius:999px;font-size:15px;font-weight:500;color:var(--muted);transition:.22s}
.nav-links a:hover{color:var(--brand-dark);background:var(--brand-soft)}
.nav-links a.active{color:var(--brand-dark);background:var(--brand-soft);font-weight:700}
.nav-cta{margin-left:10px}
.nav-toggle{display:none;width:40px;height:40px;border:1px solid var(--line);border-radius:10px;background:#fff;cursor:pointer;font-size:20px;color:var(--ink);align-items:center;justify-content:center}
@media(max-width:900px){
  .nav-toggle{display:inline-flex}
  .nav-links{position:fixed;top:0;right:-320px;width:300px;height:100vh;background:#fff;flex-direction:column;align-items:flex-start;padding:40px 24px;gap:10px;transition:.3s;box-shadow:-20px 0 50px rgba(0,0,0,.08);z-index:99}
  .nav-links.open{right:0}
  .nav-links a{width:100%;font-size:17px}
  .nav-cta{margin:8px 0 0;width:100%}
}
@media(max-width:640px){.topbar-right{display:none}.nav-bar{height:64px}.logo{font-size:22px}}

/* 分类页 Hero */
.cat-hero{position:relative;background:linear-gradient(120deg,rgba(244,87,46,.06),rgba(250,245,239,.78)),url('/assets/images/backpic/back-2.jpg') center/cover;padding:70px 0}
.cat-hero .container{position:relative;z-index:1}
.crumb{font-size:13px;color:var(--muted);margin-bottom:22px;display:flex;gap:6px;flex-wrap:wrap}
.crumb a:hover{color:var(--brand)}
.cat-hero h1{font-size:clamp(1.9rem,3.6vw,3.1rem);line-height:1.3;max-width:16em;font-weight:900;margin-bottom:18px}
.cat-hero h1 span{color:var(--brand)}
.cat-hero p{max-width:640px;color:var(--muted);font-size:16px}
.cat-actions{display:flex;gap:12px;margin-top:28px;flex-wrap:wrap}
@media(max-width:560px){.cat-hero{padding:48px 0}.cat-actions .btn{width:100%}}

/* 分类内容主体：左侧主栏 + 右侧辅助 */
.category-main{display:grid;grid-template-columns:minmax(0,1.9fr) minmax(280px,.9fr);gap:42px;align-items:start;padding:70px 0 90px}
.main-col{display:grid;gap:22px}
.feature-article{background:#fff;border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow);border:1px solid var(--line)}
.feature-article img{width:100%;height:280px;object-fit:cover}
.feature-article .body{padding:32px}
.feature-article .body h2{font-size:clamp(1.5rem,2.3vw,2rem);margin:12px 0 14px;line-height:1.45}
.feature-article .body p{color:var(--muted);margin-bottom:14px}
.sub-article{background:#fff;border-radius:var(--radius-md);padding:22px;border:1px solid var(--line);display:flex;gap:18px;align-items:flex-start;transition:.22s}
.sub-article:hover{border-color:rgba(244,87,46,.3);box-shadow:var(--shadow)}
.sub-thumb{flex:0 0 96px;height:84px}
.sub-thumb img{width:96px;height:84px;object-fit:cover;border-radius:14px}
.sub-article h3{font-size:1.05rem;line-height:1.55;margin-bottom:6px}
.sub-article h3 a:hover{color:var(--brand)}
.sub-article p{font-size:14px;color:var(--muted)}
.quote-block{background:var(--brand-soft);border-left:5px solid var(--brand);border-radius:0 18px 18px 0;padding:24px 28px;font-size:1.05rem;color:#4f3a30}
.quote-block small{display:block;margin-top:10px;color:var(--muted);font-size:13px}
.compare-table{border:1px solid var(--line);border-radius:var(--radius-md);overflow:hidden}
.compare-row{display:grid;grid-template-columns:1fr 1fr;background:#fff}
.compare-row:nth-child(even){background:var(--bg)}
.compare-row .cmp{padding:16px 20px;font-size:14px;color:var(--muted);border-right:1px solid var(--line)}
.compare-row .cmp:last-child{border-right:0;color:var(--ink)}

/* sidebar */
.side-col{display:grid;gap:20px}
.side-box{background:#fff;border:1px solid var(--line);border-radius:18px;padding:24px}
.side-box h3{font-size:1.05rem;margin-bottom:12px}
.side-box p{font-size:14px;color:var(--muted);line-height:1.8}
.search-box{display:flex;gap:8px;align-items:center;background:var(--bg);border:1px solid var(--line);border-radius:999px;padding:4px 4px 4px 16px;margin-top:10px}
.search-box input{height:38px;flex:1;border:0;background:0;outline:none;font-size:14px}
.search-box button{height:38px;border:0;background:var(--grad);color:#fff;border-radius:999px;padding:0 16px;cursor:pointer;font-size:14px;transition:.2s}
.search-box button:hover{filter:brightness(1.06)}
.tag-cloud{display:flex;flex-wrap:wrap;gap:8px}
.tag-cloud a{background:var(--bg);border:1px solid var(--line);padding:6px 12px;font-size:13px;border-radius:999px;transition:.2s}
.tag-cloud a:hover{border-color:var(--brand);color:var(--brand-dark)}
.side-list li{font-size:14px;padding:8px 0;border-bottom:1px dashed var(--line)}
.side-list li:last-child{border:0}
.side-list a:hover{color:var(--brand)}
.side-cta{background:var(--dark);border-radius:18px;color:#fff;padding:24px}
.side-cta h3{color:#fff}
.side-cta p{color:rgba(255,255,255,.76)}
.side-cta .btn{width:100%;margin-top:14px}
@media(max-width:1000px){.category-main{grid-template-columns:1fr;padding:50px 0}}
@media(max-width:560px){.feature-article .body{padding:22px}.sub-article{flex-direction:column}.sub-thumb,.sub-thumb img{width:100%;height:150px}.compare-row{grid-template-columns:1fr}.compare-row .cmp{border-right:0;border-bottom:1px solid var(--line)}}

/* 分类页内FAQ */
.faq-list{max-width:920px;margin:0 auto}
.faq-item{border:1px solid var(--line);border-bottom:0;background:#fff}
.faq-item:first-child{border-radius:18px 18px 0 0}
.faq-item:last-child{border-radius:0 0 18px 18px;border-bottom:1px solid var(--line)}
.faq-item summary{list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;padding:20px 26px;font-weight:700;font-size:16px}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:after{content:"+";font-size:24px;color:var(--brand);transition:.2s}
.faq-item[open] summary:after{transform:rotate(45deg)}
.faq-item .faq-body{padding:0 26px 20px;color:var(--muted);font-size:15px}
.faq-item:focus-within{outline:2px solid var(--brand);outline-offset:-2px;border-radius:14px}

/* CTA / footer */
.sec-pad{padding:80px 0}
.sec-head{max-width:680px;margin:0 auto 40px;text-align:center}
.sec-head h2{font-size:clamp(1.6rem,2.6vw,2.3rem);margin-bottom:12px}
.sec-head p{color:var(--muted)}
.cta-banner{background:linear-gradient(135deg,rgba(31,24,20,.88),rgba(31,24,20,.62)),url('/assets/images/backpic/back-5.jpg') center/cover;border-radius:30px;color:#fff;padding:50px 42px;display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap}
.cta-banner h2{font-size:clamp(1.4rem,2.2vw,2rem)}
.cta-banner p{color:rgba(255,255,255,.76);margin-top:8px}
.footer{background:var(--dark);color:rgba(255,255,255,.68);margin-top:80px}
.footer-main{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:44px;padding:60px 0 40px}
.footer h4{color:#fff;font-size:15px;margin-bottom:14px}
.footer a{transition:.2s}
.footer a:hover{color:#fff}
.footer .f-logo{font-size:32px;font-weight:900;margin-bottom:14px;display:inline-block}
.footer .f-logo span{color:#fff}
.footer .f-desc{font-size:14px;line-height:1.9;max-width:34em;margin-bottom:16px}
.footer .f-nav{display:grid;gap:6px;font-size:14px}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);padding:20px 0;display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;font-size:13px}
@media(max-width:860px){.footer-main{grid-template-columns:1fr 1fr}.footer-main .f-brand{grid-column:span 2}}
@media(max-width:560px){.footer-main{grid-template-columns:1fr}.footer-main .f-brand{grid-column:span 1}}
input:focus{outline:2px solid var(--brand);outline-offset:1px}

/* roulang page: category1 */
:root{
  --brand:#F4572E; --brand-dark:#C93C12; --brand-soft:#FFD9CB;
  --accent:#3E6B5E; --accent-soft:#DCEFE6;
  --bg:#FAF5EF; --card:#FFFFFF; --ink:#201A16; --muted:#6F625A; --line:#EBDFD6; --dark:#1F1814;
  --grad:linear-gradient(135deg,#FF9B54 0%,#F4572E 100%);
  --shadow:0 12px 30px rgba(80,40,10,.08);
  --radius-lg:28px; --radius-md:18px;
  --font:"HarmonyOS Sans SC","MiSans","PingFang SC","Microsoft YaHei","Noto Sans CJK SC",sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--font);background:var(--bg);color:var(--ink);line-height:1.75;font-size:16px;-webkit-font-smoothing:antialiased}
body,button,input,select,textarea{font-family:var(--font)}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block;border:0}
ul,ol{list-style:none}
button,input,select,textarea{outline:none}
.container{width:min(1200px,100% - 40px);margin-inline:auto}

.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:999px;height:48px;padding:0 24px;font-weight:600;cursor:pointer;border:0;transition:.25s;white-space:nowrap}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 10px 22px rgba(244,87,46,.26);height:50px}
.btn-primary:hover{filter:brightness(1.07);transform:translateY(-2px);box-shadow:0 14px 28px rgba(244,87,46,.3)}
.btn-ghost{background:#fff;color:var(--ink);border:1px solid var(--line);box-shadow:0 4px 10px rgba(60,20,0,.03);height:50px}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand-dark);transform:translateY(-2px)}
.btn:focus-visible{outline:2px solid var(--brand);outline-offset:3px}
.tag{display:inline-block;background:var(--brand-soft);color:var(--brand-dark);border-radius:999px;padding:5px 14px;font-size:12px;font-weight:600;margin-right:6px;line-height:1.6}
.tag-green{background:var(--accent-soft);color:var(--accent)}
.tag-static{background:#f1e9e1;color:#6a5548}

/* topbar */
.topbar{background:var(--dark);color:rgba(255,255,255,.78);font-size:13px;height:40px}
.topbar-inner{display:flex;height:40px;align-items:center;justify-content:space-between}
.topbar span{opacity:.85}
.topbar a{color:#fff;opacity:.88;padding:4px 0;transition:.2s}
.topbar a:hover{opacity:1;color:var(--brand-soft)}
.topbar-right{display:flex;gap:22px;align-items:center}

/* header & nav */
.site-header{position:sticky;top:0;z-index:80;background:rgba(250,245,239,.92);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.nav-bar{display:flex;align-items:center;justify-content:space-between;height:74px;gap:24px}
.logo{display:inline-flex;align-items:center;gap:10px;font-size:26px;font-weight:900;letter-spacing:-.02em;flex-shrink:0}
.logo svg{width:34px;height:34px;flex-shrink:0}
.logo span{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.nav-links{display:flex;align-items:center;gap:6px;margin-left:auto}
.nav-links a{display:inline-block;padding:10px 16px;border-radius:999px;font-size:15px;font-weight:500;color:var(--muted);transition:.22s;line-height:1.4}
.nav-links a:hover{color:var(--brand-dark);background:var(--brand-soft)}
.nav-links a.active{color:var(--brand-dark);background:var(--brand-soft);font-weight:700}
.nav-cta{margin-left:10px}
.nav-toggle{display:none;width:42px;height:42px;border:1px solid var(--line);border-radius:12px;background:#fff;cursor:pointer;font-size:20px;color:var(--ink);align-items:center;justify-content:center;transition:.2s;flex-shrink:0}
.nav-toggle:hover{border-color:var(--brand);color:var(--brand-dark)}
.nav-toggle:focus-visible{outline:2px solid var(--brand);outline-offset:3px}

/* category hero */
.page-category{background:var(--bg)}
.cat-hero{position:relative;background:linear-gradient(120deg,rgba(244,87,46,.07),rgba(250,245,239,.84) 72%),url('/assets/images/backpic/back-3.jpg') center / cover;padding:68px 0 58px;border-bottom:1px solid var(--line)}
.crumb{display:flex;gap:8px;align-items:center;font-size:14px;color:var(--muted);margin-bottom:26px;flex-wrap:wrap}
.crumb a{transition:.2s}
.crumb a:hover{color:var(--brand-dark)}
.crumb i{opacity:.5;font-style:normal}
.cat-hero-inner{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(300px,.8fr);gap:44px;align-items:center}
.cat-hero h1{font-size:clamp(2rem,3.6vw,3.2rem);line-height:1.25;font-weight:900;letter-spacing:-.02em;margin-bottom:18px}
.cat-hero h1 span{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.cat-hero .lead{color:#564841;font-size:16px;max-width:560px;margin-bottom:28px}
.hero-mini-card{background:rgba(255,255,255,.82);border:1px solid rgba(255,255,255,.7);border-radius:var(--radius-lg);padding:26px;box-shadow:var(--shadow);backdrop-filter:blur(8px)}
.hero-mini-card h3{font-size:18px;margin-bottom:14px;display:flex;align-items:center;gap:8px}
.hero-mini-card h3 i{display:inline-block;width:10px;height:10px;border-radius:50%;background:var(--brand)}
.mini-list li{position:relative;padding:9px 0 9px 20px;border-bottom:1px dashed var(--line);font-size:14px;color:var(--muted)}
.mini-list li:last-child{border-bottom:0}
.mini-list li::before{content:"";position:absolute;left:2px;top:19px;width:6px;height:6px;border-radius:50%;background:var(--grad)}
.mini-list li strong{color:var(--ink);font-weight:600}
.cat-hero-cta{display:flex;gap:12px;flex-wrap:wrap;margin-top:8px}

/* 指南路径 */
.guide-flow{padding:88px 0 72px}
.sec-head{margin-bottom:44px;max-width:720px}
.sec-head .eyebrow{display:inline-flex;align-items:center;gap:8px;background:var(--brand-soft);color:var(--brand-dark);font-size:13px;font-weight:600;border-radius:999px;padding:6px 15px;margin-bottom:16px}
.sec-head h2{font-size:clamp(1.8rem,3vw,2.6rem);line-height:1.35;letter-spacing:-.02em;margin-bottom:14px}
.sec-head p{color:var(--muted);font-size:16px}
.flow-grid{display:grid;grid-template-columns:1.1fr .9fr 1fr 1fr;gap:16px}
.flow-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius-md);padding:26px 22px;box-shadow:0 8px 20px rgba(80,40,10,.05);transition:.28s;position:relative}
.flow-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:rgba(244,87,46,.35)}
.flow-num{display:flex;align-items:center;justify-content:center;width:36px;height:36px;border-radius:12px;background:var(--grad);color:#fff;font-weight:800;font-size:15px;margin-bottom:16px}
.flow-card h3{font-size:18px;margin-bottom:10px}
.flow-card p{font-size:14px;color:var(--muted);line-height:1.7}

/* 文章主体区域 */
.category-main{display:grid;grid-template-columns:minmax(0,1.9fr) minmax(280px,.9fr);gap:44px;align-items:start;padding:58px 0 90px}
.main-col{display:grid;gap:26px}
.feature-article{background:#fff;border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow);border:1px solid var(--line)}
.feature-article img{width:100%;height:300px;object-fit:cover}
.feature-article .body{padding:32px 32px 28px}
.feature-article .body .meta-row{display:flex;align-items:center;gap:10px;margin-bottom:16px;flex-wrap:wrap}
.feature-article .body h2{font-size:clamp(1.4rem,2.2vw,1.85rem);line-height:1.45;margin-bottom:14px;font-weight:800}
.feature-article .body p{color:var(--muted);font-size:15px}
.pullquote{display:flex;gap:16px;background:var(--accent-soft);border-radius:var(--radius-md);padding:20px 24px;margin-top:28px;align-items:flex-start}
.pullquote .quote-mark{font-size:28px;line-height:1;color:var(--accent)}
.pullquote p{font-size:15px;color:#2c4a40;font-weight:600;line-height:1.8;margin:0}

.article-list{display:grid;gap:22px}
.sub-article{display:grid;grid-template-columns:166px minmax(0,1fr);gap:20px;background:#fff;border:1px solid var(--line);border-radius:var(--radius-md);padding:16px;transition:.25s;box-shadow:0 8px 18px rgba(80,40,10,.04)}
.sub-article:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:rgba(244,87,46,.25)}
.sub-thumb{overflow:hidden;border-radius:14px}
.sub-thumb img{width:166px;height:126px;object-fit:cover}
.sub-info h3{font-size:18px;line-height:1.5;margin-bottom:8px}
.sub-info h3 a{transition:.2s}
.sub-info h3 a:hover{color:var(--brand-dark)}
.sub-info p{font-size:14px;color:var(--muted);margin-bottom:12px}
.sub-meta{display:flex;gap:8px;align-items:center;font-size:12px;color:#9a887d;flex-wrap:wrap}

.compare-card{background:#fff;border-radius:var(--radius-lg);box-shadow:var(--shadow);border:1px solid var(--line);overflow:hidden;padding:30px 30px 12px}
.compare-card h3{font-size:clamp(1.2rem,2vw,1.5rem);margin-bottom:20px;padding-left:4px}
.compare-row{display:grid;grid-template-columns:1fr 1fr;background:#fff;border-bottom:1px solid var(--line);gap:0}
.compare-row:nth-child(even){background:var(--bg)}
.compare-row .cmp{padding:16px 20px;font-size:14px;color:var(--muted);border-right:1px solid var(--line);background:rgba(255,255,255,.95)}
.compare-row .cmp:last-child{border-right:0;color:var(--ink);background:rgba(255,255,255,0)}
.compare-row .cmp strong{display:block;font-size:13px;margin-bottom:3px;color:#a48d7d}
.compare-row .cmp:last-child strong{color:var(--brand-dark)}
.compare-card .cmp-foot{padding:18px 6px 24px;font-size:14px;color:var(--muted)}
.compare-card .cmp-foot a{color:var(--brand-dark);font-weight:600}
.compare-card .cmp-foot a:hover{text-decoration:underline}

/* 侧栏 */
.side-col{display:grid;gap:20px;position:sticky;top:96px;align-self:start}
.side-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:26px;box-shadow:0 8px 20px rgba(80,40,10,.04)}
.side-card h3{font-size:17px;margin-bottom:16px;padding-bottom:12px;border-bottom:1px solid var(--line);display:flex;align-items:center;gap:8px}
.side-card h3 .dot{width:8px;height:8px;border-radius:50%;background:var(--grad);display:inline-block}
.search-title{font-size:15px;font-weight:600;margin-bottom:8px}
.search-box{display:flex;gap:8px;align-items:center;background:var(--bg);border:1px solid var(--line);border-radius:999px;padding:4px 4px 4px 18px;margin-top:8px;transition:.2s}
.search-box:focus-within{border-color:var(--brand);box-shadow:0 0 0 3px rgba(244,87,46,.12)}
.search-box input{height:40px;flex:1;min-width:0;border:0;background:transparent;font-size:14px;color:var(--ink)}
.search-box button{height:40px;border:0;background:var(--grad);color:#fff;border-radius:999px;padding:0 18px;cursor:pointer;font-size:14px;transition:.2s;flex-shrink:0}
.search-box button:hover{filter:brightness(1.06);transform:scale(1.02)}
.tag-cloud{display:flex;flex-wrap:wrap;gap:8px;margin-top:6px}
.tag-cloud a{background:var(--bg);border:1px solid var(--line);padding:6px 13px;font-size:13px;border-radius:999px;color:var(--muted);transition:.2s}
.tag-cloud a:hover{border-color:var(--brand);color:var(--brand-dark);background:var(--brand-soft)}
.side-list li{padding:10px 0;border-bottom:1px dashed var(--line);font-size:14px}
.side-list li:last-child{border-bottom:0}
.side-list a{transition:.2s;display:flex;gap:8px;align-items:baseline}
.side-list a::before{content:"";flex:0 0 5px;height:5px;border-radius:50%;background:var(--brand);transform:translateY(-2px)}
.side-list a:hover{color:var(--brand-dark)}
.side-cta{background:var(--dark);border-radius:var(--radius-md);color:#fff;padding:26px;border:1px solid rgba(255,255,255,.06)}
.side-cta h3{color:#fff;font-size:17px;margin-bottom:10px}
.side-cta p{color:rgba(255,255,255,.7);font-size:14px;margin-bottom:18px}
.side-cta .btn{width:100%}
.side-avatar{display:flex;align-items:center;gap:12px;margin-top:16px;padding-top:16px;border-top:1px solid rgba(255,255,255,.1)}
.side-avatar span{font-size:13px;color:rgba(255,255,255,.7)}

/* FAQ */
.faq-section{padding:0 0 84px}
.faq-title{text-align:center;font-size:clamp(1.7rem,2.8vw,2.4rem);font-weight:800;margin-bottom:38px;letter-spacing:-.02em}
.faq-list{max-width:920px;margin:0 auto}
.faq-item{border:1px solid var(--line);border-bottom:0;background:#fff;transition:.2s}
.faq-item:first-child{border-radius:20px 20px 0 0}
.faq-item:last-child{border-radius:0 0 20px 20px;border-bottom:1px solid var(--line)}
.faq-item summary{list-style:none;cursor:pointer;padding:22px 26px;font-weight:600;font-size:16px;display:flex;justify-content:space-between;align-items:center;gap:16px;line-height:1.6}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";font-size:24px;font-weight:400;color:var(--brand);transition:.3s;line-height:1;flex-shrink:0}
.faq-item[open] summary::after{transform:rotate(45deg)}
.faq-item .faq-a{padding:0 26px 24px;color:var(--muted);font-size:15px;line-height:1.9}
.faq-item:hover{border-color:rgba(244,87,46,.3)}
.faq-item:focus-within{outline:2px solid var(--brand);outline-offset:-2px;border-radius:12px}

/* CTA */
.cta-wrap{padding-bottom:96px}
.cta-box{position:relative;background:linear-gradient(120deg,rgba(31,24,20,.92),rgba(45,35,30,.86)),url('/assets/images/backpic/back-7.jpg') center / cover;border-radius:var(--radius-lg);padding:64px 58px;overflow:hidden;text-align:center}
.cta-box h2{font-size:clamp(1.6rem,3vw,2.5rem);color:#fff;font-weight:800;margin-bottom:18px;line-height:1.4}
.cta-box p{color:rgba(255,255,255,.76);max-width:560px;margin:0 auto 30px;font-size:15px}
.cta-box .btn-group{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}
.cta-box .btn-ghost{background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.28);color:#fff;backdrop-filter:blur(6px)}
.cta-box .btn-ghost:hover{border-color:#fff;background:rgba(255,255,255,.18)}

/* footer */
.footer{background:var(--dark);color:rgba(255,255,255,.72);border-top:1px solid rgba(255,255,255,.04)}
.footer-inner{padding:64px 0 30px}
.footer-main{display:grid;grid-template-columns:1.4fr .8fr 1fr;gap:48px;padding-bottom:38px}
.f-logo{display:inline-flex;align-items:center;gap:9px;font-size:24px;font-weight:900}
.f-logo span{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.f-desc{font-size:14px;line-height:1.9;max-width:360px;margin-top:16px;color:rgba(255,255,255,.62)}
.footer h4{font-size:15px;color:#fff;font-weight:700;margin:8px 0 18px;letter-spacing:.02em}
.f-nav{display:flex;flex-direction:column;gap:12px}
.f-nav a{font-size:14px;color:rgba(255,255,255,.65);transition:.2s}
.f-nav a:hover{color:#F4572E}
.footer-bottom{border-top:1px solid rgba(255,255,255,.08);padding-top:24px;display:flex;justify-content:space-between;gap:16px;font-size:13px;flex-wrap:wrap;color:rgba(255,255,255,.45)}

@media (max-width:1024px){
  .cat-hero-inner{grid-template-columns:1fr;gap:30px}
  .flow-grid{grid-template-columns:1fr 1fr}
  .category-main{grid-template-columns:1fr}
  .side-col{position:static;grid-template-columns:1fr 1fr;align-items:start}
  .cta-box{padding:50px 30px}
}
@media (max-width:768px){
  .nav-toggle{display:inline-flex}
  .nav-links{position:fixed;top:0;right:-330px;width:310px;height:100vh;background:#fff;flex-direction:column;align-items:flex-start;justify-content:flex-start;padding:46px 28px;gap:12px;transition:.35s ease;box-shadow:-24px 0 50px rgba(0,0,0,.08);z-index:99;overflow-y:auto}
  .nav-links.open{right:0}
  .nav-links a{width:100%;font-size:17px;padding:11px 16px;border-radius:12px}
  .nav-cta{margin:10px 0 0;width:100%;height:48px}
  .nav-bar{height:66px}
  .logo{font-size:23px}
  .logo svg{width:30px;height:30px}
  .topbar-right .hide-m{display:none}
  .cat-hero{padding:44px 0 40px}
  .guide-flow{padding:62px 0 52px}
  .flow-grid{grid-template-columns:1fr;gap:14px}
  .article-list{grid-template-columns:1fr}
  .footer-main{grid-template-columns:1fr;gap:32px;padding-bottom:28px}
  .category-main{padding:42px 0 68px}
  .side-col{grid-template-columns:1fr}
  .feature-article img{height:220px}
}
@media (max-width:640px){
  .container{width:min(1200px,100% - 32px)}
  .sub-article{grid-template-columns:1fr;padding:14px}
  .sub-thumb img{width:100%;height:170px}
  .feature-article .body{padding:22px}
  .pullquote{flex-direction:column;gap:6px}
  .cta-box{padding:44px 22px}
  .cta-box h2{font-size:24px}
  .compare-card{padding:22px 16px 8px}
  .compare-row{grid-template-columns:1fr}
  .compare-row .cmp{border-right:0;border-bottom:1px solid var(--line)}
  .faq-item summary{padding:18px 20px;font-size:15px}
  .faq-item .faq-a{padding:0 20px 20px}
  .footer-inner{padding:46px 0 24px}
}
@media (min-width:769px){
  .nav-toggle{display:none}
  .nav-links{position:static;top:auto;right:auto;width:auto;height:auto;flex-direction:row;background:transparent;padding:0;box-shadow:none;overflow:visible}
  .nav-links a{width:auto;font-size:15px;padding:10px 16px}
  .nav-cta{margin:0 0 0 10px;width:auto;height:44px}
}