/* roulang page: index */
:root{
  --primary:#E8452B;
  --primary-dark:#C93A22;
  --accent:#B7F03C;
  --ink:#0E1116;
  --base:#F7F5F2;
  --alt:#F1EDE7;
  --text:#1B1F24;
  --muted:#5C646E;
  --faint:#8A9199;
  --line:#D9D5CF;
  --ok:#1F9D55;
  --warn:#D93025;
  --radius-btn:8px;
  --radius-card:16px;
  --radius-hero:20px;
  --shadow-card:0 2px 8px rgba(14,17,22,.06);
  --shadow-hover:0 10px 24px rgba(14,17,22,.12);
  --bs-primary:#E8452B;
  --bs-body-bg:#F7F5F2;
  --bs-body-color:#1B1F24;
  --bs-border-color:#D9D5CF;
  --bs-border-radius:8px;
  --bs-font-sans-serif:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--text);
  background:var(--base);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{letter-spacing:-.02em;color:var(--text);margin:0}
h1{font-size:clamp(30px,4.2vw,54px);line-height:1.15;font-weight:900}
h2{font-size:clamp(24px,2.6vw,32px);font-weight:800;line-height:1.25}
h3{font-size:20px;font-weight:700;line-height:1.4}
p{margin:0}
a{color:var(--primary);text-decoration:none;transition:color .18s ease-out}
a:hover{color:var(--primary-dark)}
img{max-width:100%;height:auto;display:block}
button{font-family:inherit}
.num{font-variant-numeric:tabular-nums;letter-spacing:-.01em}
.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
.section{padding:96px 0}
.section--tight{padding:72px 0}
.section--alt{background:#FFFFFF}
.section--sand{background:var(--alt)}
.divider-line{height:2px;background:linear-gradient(90deg,var(--primary),var(--accent));border:0;opacity:1}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px}

/* ===== 导航 ===== */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:var(--base);
  border-bottom:1px solid var(--line);
  transition:background .18s ease-out,box-shadow .18s ease-out;
}
.site-header.is-scrolled{background:rgba(247,245,242,.96);box-shadow:0 4px 18px rgba(14,17,22,.07)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;min-height:72px;gap:20px}
.brand{display:flex;align-items:center;gap:10px;color:var(--text);font-weight:800;font-size:17px;letter-spacing:-.01em}
.brand:hover{color:var(--text)}
.brand-mark{
  width:36px;height:36px;flex:0 0 36px;border-radius:6px;background:var(--primary);
  transform:skewX(-12deg);position:relative;
}
.brand-mark::after{content:"";position:absolute;right:6px;bottom:6px;width:12px;height:3px;background:var(--accent);border-radius:2px}
.brand-text{white-space:nowrap}
.nav-list{display:flex;align-items:center;gap:28px;list-style:none;margin:0;padding:0}
.nav-list a{font-size:15px;font-weight:500;color:var(--text);position:relative;padding:6px 0;display:inline-block}
.nav-list a::after{content:"";position:absolute;left:0;right:0;bottom:-2px;height:3px;background:var(--primary);transform:skewX(-12deg) scaleX(0);transform-origin:left;transition:transform .18s ease-out}
.nav-list a:hover{color:var(--primary)}
.nav-list a:hover::after,.nav-list a.active::after{transform:skewX(-12deg) scaleX(1)}
.nav-list a.active{color:var(--primary);font-weight:700}
.nav-cta{display:flex;align-items:center;gap:14px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:var(--radius-btn);font-weight:600;font-size:15px;padding:14px 26px;border:1px solid transparent;cursor:pointer;transition:transform .18s ease-out,background-color .18s ease-out,box-shadow .18s ease-out,color .18s ease-out,border-color .18s ease-out;min-height:44px;line-height:1.2}
.btn-primary-c{background:var(--primary);color:#fff}
.btn-primary-c:hover{background:var(--primary-dark);color:#fff;transform:translateY(-1px);box-shadow:var(--shadow-hover)}
.btn-primary-c:active{transform:translateY(0);box-shadow:none}
.btn-outline-c{background:transparent;color:var(--ink);border-color:var(--ink)}
.btn-outline-c:hover{background:var(--ink);color:#fff;transform:translateY(-1px)}
.btn-outline-c:active{transform:translateY(0)}
.btn-ghost-c{background:transparent;color:var(--text);border-color:var(--line)}
.btn-ghost-c:hover{border-color:var(--primary);color:var(--primary)}
.btn-lime{background:var(--accent);color:var(--ink)}
.btn-lime:hover{background:#a8e02c;color:var(--ink);transform:translateY(-1px)}
.btn-sm{padding:10px 18px;font-size:14px}
.nav-toggle{display:none;background:transparent;border:1px solid var(--line);border-radius:8px;padding:8px 12px;font-size:15px;font-weight:600;color:var(--text)}
.nav-drawer{display:none}

/* ===== 通用元件 ===== */
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;background:var(--accent);color:var(--ink);
  font-size:12px;font-weight:700;padding:6px 14px;border-radius:999px;
}
.tag{display:inline-flex;align-items:center;font-size:12px;font-weight:700;padding:4px 12px;border-radius:999px;background:var(--accent);color:var(--ink)}
.tag--outline{background:transparent;border:1px solid var(--primary);color:var(--primary)}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px;flex-wrap:wrap}
.section-head p{color:var(--muted);max-width:620px;margin-top:10px}
.text-link{font-weight:600;color:var(--primary);font-size:15px}
.text-link:hover{color:var(--primary-dark);text-decoration:underline}
.card-c{background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);box-shadow:var(--shadow-card);transition:transform .18s ease-out,box-shadow .18s ease-out,border-color .18s ease-out}
.card-c:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:var(--primary)}
.dotted-bg{background-image:radial-gradient(rgba(14,17,22,.35) 1px,transparent 1px);background-size:18px 18px;opacity:.06;position:absolute;inset:0;pointer-events:none}

/* ===== Hero ===== */
.hero{position:relative;padding:80px 0 88px;overflow:hidden;background:var(--base)}
.hero::before{content:"";position:absolute;top:-40px;right:-80px;width:320px;height:320px;background:var(--alt);transform:skewX(-12deg);border-radius:24px;opacity:.85}
.hero-grid{position:relative;display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
.hero h1{margin:20px 0 18px}
.hero h1 em{font-style:normal;color:var(--primary)}
.hero-sub{font-size:18px;color:var(--muted);max-width:520px}
.hero-actions{display:flex;gap:14px;margin:30px 0 36px;flex-wrap:wrap}
.metrics{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;max-width:560px}
.metric{border-top:2px solid var(--primary);padding-top:12px}
.metric b{display:block;font-size:26px;font-weight:800;line-height:1.2}
.metric span{font-size:13px;color:var(--faint)}
.hero-media{position:relative;border-radius:var(--radius-hero);overflow:hidden;background:var(--ink);aspect-ratio:4/3}
.hero-media img{width:100%;height:100%;object-fit:cover;opacity:.9}
.hero-media::after{content:"";position:absolute;inset:0;background:rgba(14,17,22,.18)}
.hero-media .cut{position:absolute;right:0;bottom:0;width:120px;height:64px;background:var(--primary);transform:skewX(-12deg) translate(24px,18px);z-index:2}

/* ===== 对比表 ===== */
.table-scroll{overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius-card);background:#fff;box-shadow:var(--shadow-card)}
.table-inner{min-width:680px}
table.compare{width:100%;border-collapse:collapse}
table.compare thead th{
  background:var(--ink);color:#fff;font-weight:700;font-size:15px;text-align:center;
  padding:18px 16px;position:sticky;top:0;z-index:2;
}
table.compare thead th:first-child{text-align:left}
table.compare thead th.reco{position:relative;border-left:2px solid var(--primary);border-right:2px solid var(--primary);background:#161A21}
table.compare thead th.reco .tag{position:absolute;top:-12px;left:50%;transform:translateX(-50%);white-space:nowrap}
table.compare tbody td{padding:0 16px;height:56px;font-size:15px;text-align:center;color:var(--muted);border-top:1px solid var(--line)}
table.compare tbody td:first-child{text-align:left;font-weight:700;color:var(--text)}
table.compare tbody td.reco{background:#FFF7F5;border-left:2px solid var(--primary);border-right:2px solid var(--primary);color:var(--text);font-weight:600}
table.compare tbody tr:last-child td{border-bottom:2px solid var(--primary)}
.yes{color:var(--ok);font-weight:700}
.no{color:var(--faint)}

/* ===== 等级卡 ===== */
.levels{display:grid;grid-template-columns:1.2fr 1fr;gap:24px}
.level-card{padding:30px 28px;display:flex;flex-direction:column;gap:14px}
.level-card.wide{grid-row:span 2}
.level-top{display:flex;align-items:center;justify-content:space-between;gap:12px}
.level-card p{color:var(--muted);font-size:15px}
.level-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:10px}
.level-list li{position:relative;padding-left:18px;font-size:15px;color:var(--text)}
.level-list li::before{content:"";position:absolute;left:0;top:12px;width:8px;height:8px;background:var(--accent);border-radius:2px}
.bar{height:8px;border-radius:999px;background:var(--alt);overflow:hidden;margin-top:6px}
.bar i{display:block;height:100%;background:var(--primary);border-radius:999px}
.bar-label{display:flex;justify-content:space-between;font-size:13px;color:var(--faint);margin-top:8px}

/* ===== 内容预览卡 ===== */
.cover-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.cover-card{overflow:hidden;display:flex;flex-direction:column}
.cover-thumb{position:relative;aspect-ratio:16/10;background:var(--alt);overflow:hidden}
.cover-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .25s ease-out}
.cover-card:hover .cover-thumb img{transform:scale(1.03)}
.cover-thumb .tag{position:absolute;top:12px;right:12px;z-index:2}
.cover-thumb .lock{
  position:absolute;left:12px;bottom:12px;z-index:2;background:rgba(14,17,22,.82);color:#E7E4DF;
  font-size:12px;font-weight:600;padding:5px 12px;border-radius:999px;
}
.cover-body{padding:18px 18px 22px}
.cover-body h3{font-size:17px;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.cover-body p{font-size:14px;color:var(--muted);margin-top:8px}

/* ===== CMS 列表 ===== */
.post-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.post-card{display:flex;flex-direction:column;overflow:hidden;height:100%}
.post-thumb{aspect-ratio:16/10;background:linear-gradient(135deg,#F1EDE7,#E7E1D8);position:relative;overflow:hidden}
.post-thumb img{width:100%;height:100%;object-fit:cover}
.post-thumb .tag{position:absolute;top:12px;right:12px;z-index:2}
.post-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1}
.post-body h3{font-size:18px;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.post-body h3 a{color:var(--text)}
.post-body h3 a:hover{color:var(--primary)}
.post-body .excerpt{font-size:14px;color:var(--muted);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.post-meta{display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--faint);margin-top:auto;padding-top:12px;border-top:1px solid var(--line)}
.empty-state{background:#fff;border:1px dashed var(--line);border-radius:var(--radius-card);padding:56px 24px;text-align:center;display:flex;flex-direction:column;align-items:center;gap:14px}
.empty-state .ico{width:52px;height:52px;border-radius:50%;background:var(--alt);display:flex;align-items:center;justify-content:center;font-size:22px;color:var(--primary)}
.empty-state p{color:var(--muted)}

/* ===== 证据区 ===== */
.evidence{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.quote-card{padding:28px 26px;display:flex;flex-direction:column;gap:16px;height:100%}
.quote-card blockquote{margin:0;font-size:16px;color:var(--text);line-height:1.8}
.quote-who{display:flex;align-items:center;gap:12px;margin-top:auto}
.quote-who span{font-size:13px;color:var(--faint)}
.avatar{width:38px;height:38px;border-radius:50%;background:var(--alt);display:flex;align-items:center;justify-content:center;font-weight:700;color:var(--primary);font-size:14px}
.stat-strip{background:var(--ink);border-radius:var(--radius-hero);padding:32px 28px;display:grid;grid-template-columns:repeat(4,1fr);gap:24px;margin-top:24px}
.stat-strip div b{display:block;color:#fff;font-size:28px;font-weight:800}
.stat-strip div span{color:#9AA3AE;font-size:13px}

/* ===== FAQ ===== */
.faq-list{background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden;box-shadow:var(--shadow-card)}
.faq-item+.faq-item{border-top:1px solid var(--line)}
.faq-q{width:100%;background:transparent;border:0;display:flex;align-items:center;justify-content:space-between;gap:18px;text-align:left;padding:22px 24px;font-size:17px;font-weight:600;color:var(--text);cursor:pointer}
.faq-q:hover{color:var(--primary)}
.faq-icon{position:relative;flex:0 0 20px;width:20px;height:20px;transition:transform .18s ease-out}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;background:var(--primary);border-radius:2px}
.faq-icon::before{left:0;top:9px;width:20px;height:2px}
.faq-icon::after{left:9px;top:0;width:2px;height:20px}
.faq-item.open .faq-icon{transform:rotate(45deg)}
.faq-a{display:none;padding:0 24px 24px;font-size:15px;color:var(--muted);line-height:1.75}
.faq-item.open .faq-a{display:block}

/* ===== CTA ===== */
.cta-band{position:relative;background:var(--ink);color:#E7E4DF;border-radius:var(--radius-hero);padding:56px 48px;overflow:hidden}
.cta-band::before{content:"";position:absolute;left:-70px;top:-40px;width:220px;height:200px;background:var(--primary);opacity:.9;transform:skewX(-12deg);border-radius:18px}
.cta-inner{position:relative;display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap}
.cta-inner h2{color:#fff;max-width:520px}
.cta-inner p{color:#9AA3AE;margin-top:10px;font-size:15px}
.cta-notes{display:flex;gap:22px;margin-top:20px;flex-wrap:wrap;font-size:13px;color:#9AA3AE}
.cta-notes span::before{content:"";display:inline-block;width:7px;height:7px;background:var(--accent);border-radius:2px;margin-right:8px;vertical-align:middle}

/* ===== 页脚 ===== */
.site-footer{background:var(--ink);color:#9AA3AE;margin-top:0;border-top:2px solid transparent;border-image:linear-gradient(90deg,var(--primary),var(--accent)) 1;padding-top:64px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:36px}
.footer-grid h4{color:#fff;font-size:15px;font-weight:700;margin-bottom:16px}
.footer-brand{color:#fff;font-weight:800;font-size:17px;display:flex;align-items:center;gap:10px}
.footer-brand .brand-mark{width:30px;height:30px;flex:0 0 30px}
.footer-links{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:10px}
.footer-links a{color:#9AA3AE;font-size:14px}
.footer-links a:hover{color:var(--accent)}
.footer-note{font-size:14px;line-height:1.8;margin-top:14px;color:#9AA3AE}
.footer-bottom{margin-top:48px;border-top:1px solid #22262E;padding:28px 0;text-align:center;font-size:12px;color:#7C848F}

@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important}
  .card-c:hover,.btn:hover{transform:none!important}
}

@media (max-width:1199.98px){
  .cover-grid{grid-template-columns:repeat(2,1fr)}
  .post-grid{grid-template-columns:repeat(2,1fr)}
  .levels{grid-template-columns:1fr 1fr}
  .level-card.wide{grid-row:auto;grid-column:span 2}
}
@media (max-width:991.98px){
  .section{padding:64px 0}
  .section--tight{padding:56px 0}
  .nav-list{display:none}
  .nav-cta .btn{display:none}
  .nav-toggle{display:inline-flex}
  .nav-drawer{display:none;border-top:1px solid var(--line);background:#fff}
  .nav-drawer.open{display:block}
  .nav-drawer ul{list-style:none;margin:0;padding:0}
  .nav-drawer li{border-bottom:1px solid var(--line)}
  .nav-drawer a{display:block;padding:15px 20px;font-size:15px;color:var(--text);min-height:52px;border-left:3px solid transparent}
  .nav-drawer a.active{color:var(--primary);font-weight:700;border-left-color:var(--accent);background:var(--base)}
  .nav-drawer .drawer-cta{padding:16px 20px}
  .hero{padding:56px 0 64px}
  .hero-grid{grid-template-columns:1fr;gap:32px}
  .hero-media{order:-1;max-height:280px;aspect-ratio:16/10}
  .metrics{max-width:100%}
  .stat-strip{grid-template-columns:repeat(2,1fr)}
  .evidence{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
  .cta-band{padding:40px 28px}
}
@media (max-width:767.98px){
  .post-grid{grid-template-columns:1fr}
  .levels{grid-template-columns:1fr}
  .level-card.wide{grid-column:auto}
  .stat-strip{grid-template-columns:1fr 1fr;padding:26px 20px}
  .footer-grid{grid-template-columns:1fr}
}
@media (max-width:575.98px){
  .wrap{padding:0 16px}
  .cover-grid{grid-template-columns:1fr}
  .metrics{grid-template-columns:1fr;gap:14px}
  .cta-band{padding:34px 22px}
  .faq-q{padding:18px 18px;font-size:16px}
  .faq-a{padding:0 18px 20px}
  .hero-actions .btn{width:100%}
}

/* roulang page: category1 */
:root{
  --primary:#E8452B;
  --primary-dark:#cf3a22;
  --primary-soft:#FDEDE9;
  --accent:#B7F03C;
  --ink:#0E1116;
  --base:#F7F5F2;
  --panel:#FFFFFF;
  --panel-2:#F1EDE7;
  --text:#1B1F24;
  --muted:#5C646E;
  --soft:#8A9199;
  --line:#D9D5CF;
  --success:#1F9D55;
  --danger:#D93025;
  --r-btn:8px;
  --r-card:16px;
  --r-lg:20px;
  --r-pill:999px;
  --sh-card:0 2px 8px rgba(14,17,22,.06);
  --sh-hover:0 10px 24px rgba(14,17,22,.12);
  --sp-section:96px;
  --bs-primary:#E8452B;
  --bs-body-bg:#F7F5F2;
  --bs-body-color:#1B1F24;
  --bs-border-color:#D9D5CF;
  --bs-border-radius:16px;
  --bs-font-sans-serif:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
}
*,*::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","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--text);
  background:var(--base);
  overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto;}
a{color:inherit;text-decoration:none;transition:color .18s ease-out;}
button{font:inherit;cursor:pointer;}
h1,h2,h3,h4{margin:0;letter-spacing:-.02em;line-height:1.25;font-weight:800;}
p{margin:0;}
ul,ol{margin:0;padding:0;}
.num{font-variant-numeric:tabular-nums;letter-spacing:-.01em;}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:4px;}

.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:var(--base);
  border-bottom:1px solid var(--line);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:72px;position:relative;}
.brand{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.brand-mark{
  width:36px;height:36px;border-radius:8px;background:var(--primary);
  transform:skewX(-12deg);position:relative;display:inline-block;flex:0 0 auto;
}
.brand-mark::after{
  content:"";position:absolute;right:-5px;bottom:-5px;width:13px;height:13px;
  background:var(--accent);border-radius:3px;
}
.brand-name{font-size:17px;font-weight:800;letter-spacing:-.02em;white-space:nowrap;}

.nav-list{display:flex;align-items:center;gap:28px;}
.nav-list a{font-size:15px;font-weight:500;color:var(--text);position:relative;padding:6px 0;}
.nav-list a:hover{color:var(--primary);}
.nav-list a:not(.btn-nav)::after{
  content:"";position:absolute;left:0;right:0;bottom:-4px;height:3px;background:var(--primary);
  transform:skewX(-12deg) scaleX(0);transform-origin:left center;
  transition:transform .18s ease-out;
}
.nav-list a:not(.btn-nav):hover::after,
.nav-list a:not(.btn-nav).active::after{transform:skewX(-12deg) scaleX(1);}
.nav-list a:not(.btn-nav).active{color:var(--primary);font-weight:700;}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 26px;border-radius:var(--r-btn);border:1px solid transparent;
  font-size:15px;font-weight:600;line-height:1;min-height:44px;
  transition:background-color .18s ease-out,transform .18s ease-out,box-shadow .18s ease-out,border-color .18s ease-out,color .18s ease-out;
}
.btn-primary{background:var(--primary);color:#fff;}
.btn-primary:hover{background:var(--primary-dark);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-hover);}
.btn-primary:active{transform:translateY(0);box-shadow:none;}
.btn-ghost{background:transparent;color:var(--text);border-color:var(--text);}
.btn-ghost:hover{background:var(--text);color:#fff;transform:translateY(-1px);}
.btn-ghost:active{transform:translateY(0);}
.btn-lime{background:var(--accent);color:var(--ink);}
.btn-lime:hover{background:#a8e02f;color:var(--ink);transform:translateY(-1px);box-shadow:0 10px 24px rgba(183,240,60,.22);}
.btn-lime:active{transform:translateY(0);box-shadow:none;}
.btn-light-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.55);}
.btn-light-ghost:hover{background:rgba(255,255,255,.12);color:#fff;transform:translateY(-1px);}
.btn-nav{padding:12px 22px;background:var(--primary);color:#fff;min-height:42px;}
.btn-nav:hover{background:var(--primary-dark);color:#fff;}
.nav-list a.btn-nav::after{display:none;}

.nav-toggle{
  display:none;width:46px;height:46px;border:1px solid var(--line);border-radius:var(--r-btn);
  background:#fff;flex-direction:column;align-items:center;justify-content:center;gap:5px;flex:0 0 auto;
}
.nav-toggle span{display:block;width:20px;height:2px;background:var(--ink);transition:transform .18s ease-out,opacity .18s ease-out;}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0;}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;background:var(--ink);color:#fff;}
.hero-bg{
  position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;
  opacity:.34;
}
.hero-bg::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(14,17,22,.96) 0%,rgba(14,17,22,.82) 48%,rgba(14,17,22,.62) 100%);
}
.hero-inner{position:relative;z-index:2;min-height:320px;display:flex;flex-direction:column;justify-content:center;padding-top:36px;padding-bottom:40px;}
.breadcrumb-line{display:flex;align-items:center;gap:8px;font-size:12.5px;color:rgba(231,228,223,.66);margin-bottom:18px;flex-wrap:wrap;}
.breadcrumb-line a{color:rgba(231,228,223,.8);}
.breadcrumb-line a:hover{color:var(--accent);}
.breadcrumb-line .sep{opacity:.5;}
.breadcrumb-line .current{color:rgba(231,228,223,.95);}
.eyebrow{
  display:inline-flex;align-items:center;align-self:flex-start;
  background:var(--accent);color:var(--ink);
  border-radius:var(--r-pill);padding:5px 14px;
  font-size:12px;font-weight:700;letter-spacing:.01em;margin-bottom:18px;
}
.hero h1{
  font-size:clamp(28px,4vw,44px);font-weight:900;line-height:1.16;
  max-width:820px;color:#fff;
}
.hero-sub{margin-top:16px;font-size:16px;color:rgba(231,228,223,.82);max-width:620px;}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:28px;}

/* ---------- Section ---------- */
.section{padding:var(--sp-section) 0;}
.section-alt{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.section-head{max-width:760px;margin-bottom:48px;}
.section-head h2{font-size:clamp(24px,3vw,32px);font-weight:800;}
.section-head p{margin-top:14px;color:var(--muted);}
.kicker{
  display:inline-block;font-size:12px;font-weight:700;color:var(--primary);
  letter-spacing:.08em;text-transform:uppercase;margin-bottom:12px;
}

/* ---------- Steps layout ---------- */
.steps-layout{display:grid;grid-template-columns:360px 1fr;gap:48px;align-items:start;}
.steps-rail{position:relative;}
.steps-rail::before{
  content:"";position:absolute;left:27px;top:14px;bottom:14px;width:2px;
  background:linear-gradient(180deg,var(--primary),var(--accent));
  opacity:.28;
}
.step-item{display:flex;gap:18px;padding:18px 0;position:relative;}
.step-item + .step-item{border-top:1px solid var(--line);}
.step-no{
  flex:0 0 auto;width:56px;font-size:30px;font-weight:900;line-height:1;color:var(--primary);
  font-variant-numeric:tabular-nums;letter-spacing:-.02em;padding-top:2px;
}
.step-item h3{font-size:17px;font-weight:700;letter-spacing:-.01em;}
.step-item p{margin-top:6px;font-size:14px;line-height:1.75;color:var(--muted);}

.steps-body{display:grid;gap:28px;}
.panel{
  background:var(--panel);border:1px solid var(--line);border-radius:var(--r-card);
  padding:30px;box-shadow:var(--sh-card);
}
.panel h3{font-size:20px;font-weight:700;}
.panel > p.lead{margin-top:10px;color:var(--muted);font-size:14.5px;}
.form-demo{margin-top:24px;display:grid;gap:18px;}
.field label{display:block;font-size:13px;font-weight:600;color:var(--text);margin-bottom:8px;}
.field input{
  width:100%;height:48px;border-radius:var(--r-btn);border:1px solid var(--line);
  background:#fff;padding:0 14px;font-size:15px;color:var(--text);
  transition:border-color .18s ease-out,box-shadow .18s ease-out;
}
.field input::placeholder{color:var(--soft);}
.field input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 2px rgba(232,69,43,.22);}
.form-demo .btn{width:100%;}
.form-aside{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-top:16px;font-size:13px;color:var(--soft);}
.form-aside a{color:var(--primary);font-weight:600;}
.form-aside a:hover{color:var(--primary-dark);text-decoration:underline;}
.form-note{
  margin-top:20px;background:var(--panel-2);border-radius:12px;padding:14px 16px;
  font-size:13px;color:var(--muted);line-height:1.7;
}

.check-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;}
.check-item{
  background:var(--panel-2);border-radius:12px;padding:18px 20px;
  border:1px solid transparent;transition:border-color .18s ease-out,background-color .18s ease-out;
}
.check-item:hover{border-color:var(--primary);background:#fff;}
.check-item h4{font-size:15px;font-weight:700;}
.check-item p{margin-top:6px;font-size:13.5px;color:var(--muted);line-height:1.7;}

.media-card{
  border-radius:var(--r-lg);overflow:hidden;position:relative;
  border:1px solid var(--line);background:var(--panel-2);
}
.media-card img{width:100%;aspect-ratio:16/9;object-fit:cover;filter:saturate(.94);}
.media-card .media-cap{
  position:absolute;left:0;right:0;bottom:0;padding:28px 24px 16px;
  background:linear-gradient(180deg,rgba(14,17,22,0),rgba(14,17,22,.78));
  color:#fff;font-size:13.5px;
}

.alert-bar{
  margin-top:40px;background:var(--ink);color:#E7E4DF;border-radius:var(--r-card);
  padding:24px 28px;display:flex;gap:20px;align-items:flex-start;position:relative;overflow:hidden;
}
.alert-bar::before{
  content:"";position:absolute;left:-30px;top:-40px;width:110px;height:180px;
  background:rgba(183,240,60,.28);transform:skewX(-12deg);
}
.alert-bar .alert-tag{
  position:relative;z-index:2;flex:0 0 auto;background:var(--accent);color:var(--ink);
  border-radius:var(--r-pill);padding:5px 14px;font-size:12px;font-weight:700;white-space:nowrap;
}
.alert-bar p{position:relative;z-index:2;font-size:14.5px;line-height:1.8;color:rgba(231,228,223,.9);}

/* ---------- Table ---------- */
.table-wrap{
  overflow-x:auto;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh-card);
}
table.cmp{width:100%;border-collapse:collapse;min-width:680px;}
table.cmp th,table.cmp td{padding:0 22px;height:56px;text-align:left;border-bottom:1px solid var(--line);font-size:15px;vertical-align:middle;}
table.cmp thead th{background:var(--ink);color:#fff;font-weight:700;position:sticky;top:0;z-index:2;}
table.cmp tbody td:first-child{font-weight:600;}
table.cmp tbody tr:hover{background:#FBF9F6;}
table.cmp tbody tr:last-child td{border-bottom:none;}
.tag-mini{
  display:inline-flex;align-items:center;background:var(--primary-soft);color:var(--primary-dark);
  border:1px solid rgba(232,69,43,.25);border-radius:var(--r-pill);
  padding:2px 10px;font-size:12px;font-weight:700;
}
.table-hint{margin-top:14px;font-size:13px;color:var(--soft);}

/* ---------- Split feature ---------- */
.split{display:grid;grid-template-columns:1.05fr 1fr;gap:52px;align-items:center;}
.split-media{border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--line);box-shadow:var(--sh-card);}
.split-media img{width:100%;aspect-ratio:4/3;object-fit:cover;}
.split h2{font-size:clamp(24px,3vw,32px);}
.split .split-lead{margin-top:14px;color:var(--muted);}
.point-list{margin-top:28px;display:grid;gap:18px;list-style:none;}
.point-list li{display:flex;gap:14px;align-items:flex-start;}
.point-list .dot{
  flex:0 0 auto;width:10px;height:10px;background:var(--accent);border-radius:2px;
  margin-top:10px;transform:skewX(-12deg);
}
.point-list strong{display:block;font-size:15.5px;font-weight:700;}
.point-list span{font-size:14px;color:var(--muted);}

/* ---------- FAQ ---------- */
.faq{max-width:880px;}
.faq-item{border-bottom:1px solid var(--line);}
.faq-item:first-child{border-top:1px solid var(--line);}
.faq-q{
  width:100%;background:transparent;border:0;padding:22px 0;display:flex;align-items:center;
  justify-content:space-between;gap:20px;text-align:left;font-size:17px;font-weight:600;color:var(--text);
  transition:color .18s ease-out;
}
.faq-q:hover{color:var(--primary);}
.faq-q .plus{
  flex:0 0 auto;width:20px;height:20px;position:relative;transition:transform .18s ease-out;
}
.faq-q .plus::before,.faq-q .plus::after{
  content:"";position:absolute;background:var(--primary);border-radius:2px;
}
.faq-q .plus::before{left:0;top:9px;width:20px;height:2px;}
.faq-q .plus::after{left:9px;top:0;width:2px;height:20px;}
.faq-item.open .faq-q .plus{transform:rotate(45deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .2s ease-out;}
.faq-a p{padding:0 0 24px;font-size:15px;line-height:1.75;color:var(--muted);max-width:760px;}

/* ---------- CTA ---------- */
.cta-band{
  position:relative;overflow:hidden;background:var(--ink);color:#E7E4DF;
  border-radius:var(--r-lg);padding:48px 44px;
  display:flex;align-items:center;justify-content:space-between;gap:36px;flex-wrap:wrap;
}
.cta-band::before{
  content:"";position:absolute;left:-50px;top:-60px;width:210px;height:280px;
  background:rgba(232,69,43,.55);transform:skewX(-12deg);
}
.cta-band::after{
  content:"";position:absolute;right:32px;bottom:-70px;width:150px;height:180px;
  background:rgba(183,240,60,.14);transform:skewX(-12deg);
}
.cta-copy{position:relative;z-index:2;max-width:620px;}
.cta-copy h2{font-size:clamp(23px,2.8vw,30px);color:#fff;}
.cta-copy p{margin-top:12px;font-size:15px;color:rgba(231,228,223,.82);}
.cta-action{position:relative;z-index:2;display:grid;gap:14px;justify-items:start;}
.cta-points{position:relative;z-index:2;display:flex;gap:20px;flex-wrap:wrap;width:100%;margin-top:6px;}
.cta-points span{font-size:13px;color:rgba(231,228,223,.72);display:inline-flex;align-items:center;gap:8px;}
.cta-points span::before{content:"";width:8px;height:8px;background:var(--accent);border-radius:2px;transform:skewX(-12deg);}

/* ---------- Footer ---------- */
.site-footer{position:relative;background:var(--ink);color:#E7E4DF;margin-top:var(--sp-section);}
.site-footer::before{content:"";position:absolute;top:0;left:0;right:0;height:2px;background:linear-gradient(90deg,var(--primary),var(--accent));}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:44px;padding:64px 0 44px;}
.footer-brand{display:flex;align-items:center;gap:12px;font-size:17px;font-weight:800;color:#fff;margin-bottom:16px;}
.footer-brand .brand-mark{width:28px;height:28px;border-radius:7px;}
.footer-brand .brand-mark::after{width:10px;height:10px;right:-4px;bottom:-4px;}
.footer-note{color:#9AA3AE;font-size:14px;line-height:1.8;margin-bottom:10px;}
.site-footer h4{color:#fff;font-size:15px;font-weight:700;margin-bottom:16px;letter-spacing:-.01em;}
.footer-links{list-style:none;display:grid;gap:10px;}
.footer-links a{color:#9AA3AE;font-size:14px;}
.footer-links a:hover{color:var(--accent);}
.footer-bottom{border-top:1px solid rgba(231,228,223,.14);padding:28px 0;font-size:12px;color:#8A9199;}

/* ---------- Responsive ---------- */
@media (max-width:1199.98px){
  .steps-layout{grid-template-columns:320px 1fr;gap:36px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px;}
}
@media (max-width:991.98px){
  :root{--sp-section:64px;}
  .nav-toggle{display:flex;}
  .nav-list{
    position:absolute;top:72px;left:0;right:0;display:none;flex-direction:column;
    align-items:stretch;gap:0;background:#fff;border-bottom:1px solid var(--line);
    box-shadow:0 14px 28px rgba(14,17,22,.10);padding:6px 0 14px;
  }
  .nav-list.open{display:flex;}
  .nav-list a{height:52px;display:flex;align-items:center;padding:0 22px;font-size:15px;border-bottom:1px solid #EDE9E3;border-left:3px solid transparent;}
  .nav-list a:not(.btn-nav)::after{display:none;}
  .nav-list a:not(.btn-nav).active{color:var(--primary);border-left-color:var(--accent);background:#FBF9F6;}
  .nav-list .btn-nav{margin:14px 22px 0;justify-content:center;}
  .steps-layout{grid-template-columns:1fr;gap:32px;}
  .steps-rail::before{display:none;}
  .split{grid-template-columns:1fr;gap:32px;}
  .split-media img{aspect-ratio:16/10;}
  .hero-inner{min-height:auto;padding-top:30px;padding-bottom:36px;}
  .cta-band{padding:36px 28px;}
}
@media (max-width:767.98px){
  .check-grid{grid-template-columns:1fr;}
  .panel{padding:24px 20px;}
  .alert-bar{flex-direction:column;gap:14px;padding:22px 20px;}
  .footer-grid{grid-template-columns:1fr;gap:30px;padding:52px 0 36px;}
}
@media (max-width:575.98px){
  .wrap{padding:0 16px;}
  .hero h1{font-size:26px;}
  .hero-sub{font-size:15px;}
  .hero-actions .btn{width:100%;}
  .step-no{width:48px;font-size:26px;}
  .cta-band{padding:30px 20px;border-radius:16px;}
  .cta-action{width:100%;}
  .cta-action .btn{width:100%;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;}
  html{scroll-behavior:auto;}
  .btn:hover{transform:none;}
}

/* roulang page: article */
:root{
  --primary:#E8452B;
  --primary-dark:#C93A22;
  --accent:#B7F03C;
  --ink:#0E1116;
  --base:#F7F5F2;
  --alt:#FFFFFF;
  --band:#F1EDE7;
  --text:#1B1F24;
  --text-2:#5C646E;
  --text-3:#8A9199;
  --line:#D9D5CF;
  --ok:#1F9D55;
  --warn:#D93025;
  --r-btn:8px;
  --r-card:16px;
  --r-hero:20px;
  --r-pill:999px;
  --sh-card:0 2px 8px rgba(14,17,22,.06);
  --sh-hover:0 10px 24px rgba(14,17,22,.12);
  --bs-primary:#E8452B;
  --bs-body-bg:#F7F5F2;
  --bs-body-color:#1B1F24;
  --bs-border-color:#D9D5CF;
  --bs-border-radius:8px;
  --bs-font-sans-serif:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--text);
  background:var(--base);
  letter-spacing:.01em;
}
img{max-width:100%;height:auto;display:block;}
a{color:inherit;text-decoration:none;transition:color .18s ease-out;}
a:hover{color:var(--primary);}
button{font-family:inherit;cursor:pointer;}
h1,h2,h3,h4{letter-spacing:-.02em;margin:0;line-height:1.25;font-weight:800;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:4px;}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;}
.wrap{
  width:100%;max-width:1200px;margin:0 auto;padding:0 20px;
}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:1040;
  background:rgba(247,245,242,.96);
  border-bottom:1px solid var(--line);
}
.header-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  height:72px;
}
.brand{
  display:flex;
  align-items:center;
  gap:10px;
  font-size:17px;
  font-weight:800;
  color:var(--text);
  letter-spacing:-.01em;
  white-space:nowrap;
}
.brand:hover{color:var(--text);}
.brand-mark{
  width:36px;
  height:36px;
  background:var(--primary);
  border-radius:10px;
  transform:skewX(-12deg);
  position:relative;
  flex:none;
}
.brand-mark::after{
  content:"";
  position:absolute;
  left:9px;
  top:9px;
  width:18px;
  height:18px;
  border:2px solid #fff;
  border-radius:4px;
}
.nav-list{
  display:flex;
  align-items:center;
  gap:28px;
}
.nav-list a{
  position:relative;
  font-size:15px;
  font-weight:500;
  color:var(--text);
  padding:6px 0;
}
.nav-list a::after{
  content:"";
  position:absolute;
  left:0;
  right:0;
  bottom:-6px;
  height:3px;
  background:var(--primary);
  transform:skewX(-12deg) scaleX(0);
  transform-origin:left center;
  transition:transform .18s ease-out;
  border-radius:2px;
}
.nav-list a:hover{color:var(--primary);}
.nav-list a:hover::after{transform:skewX(-12deg) scaleX(1);}
.nav-list a.active{color:var(--primary);font-weight:700;}
.nav-list a.active::after{transform:skewX(-12deg) scaleX(1);}
.header-cta{flex:none;}
.nav-toggle{
  display:none;
  width:44px;
  height:44px;
  border:1px solid var(--line);
  border-radius:var(--r-btn);
  background:#fff;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:5px;
}
.nav-toggle span{
  display:block;
  width:20px;
  height:2px;
  background:var(--ink);
  border-radius:2px;
}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  font-size:15px;
  font-weight:600;
  line-height:1;
  padding:14px 26px;
  border-radius:var(--r-btn);
  border:1px solid transparent;
  transition:background-color .18s ease-out,transform .18s ease-out,box-shadow .18s ease-out,color .18s ease-out,border-color .18s ease-out;
  min-height:44px;
}
.btn-primary{
  background:var(--primary);
  color:#fff;
  border-color:var(--primary);
}
.btn-primary:hover{
  background:var(--primary-dark);
  border-color:var(--primary-dark);
  color:#fff;
  transform:translateY(-1px);
  box-shadow:var(--sh-hover);
}
.btn-primary:active{transform:translateY(0);box-shadow:none;}
.btn-ghost{
  background:transparent;
  color:var(--ink);
  border-color:var(--ink);
}
.btn-ghost:hover{
  background:var(--ink);
  color:#fff;
  transform:translateY(-1px);
}
.btn-ghost:active{transform:translateY(0);}
.btn-lime{
  background:var(--accent);
  color:var(--ink);
  border-color:var(--accent);
}
.btn-lime:hover{
  background:#a6dd2f;
  border-color:#a6dd2f;
  color:var(--ink);
  transform:translateY(-1px);
  box-shadow:0 10px 24px rgba(183,240,60,.28);
}
.btn-lime:active{transform:translateY(0);}
.btn-sm{padding:11px 20px;font-size:14px;}

/* ============ 徽章 ============ */
.badge-lime{
  display:inline-flex;
  align-items:center;
  gap:6px;
  background:var(--accent);
  color:var(--ink);
  font-size:12px;
  font-weight:700;
  padding:6px 14px;
  border-radius:var(--r-pill);
  letter-spacing:.02em;
}
.badge-line{
  display:inline-flex;
  align-items:center;
  gap:6px;
  border:1px solid var(--primary);
  color:var(--primary);
  font-size:12px;
  font-weight:700;
  padding:5px 13px;
  border-radius:var(--r-pill);
}

/* ============ 文章头部 ============ */
.article-hero{
  position:relative;
  background:#fff;
  border-bottom:1px solid var(--line);
  padding:40px 0 36px;
  overflow:hidden;
}
.article-hero::before{
  content:"";
  position:absolute;
  right:-60px;
  top:-40px;
  width:280px;
  height:220px;
  background:var(--band);
  transform:skewX(-12deg);
  z-index:0;
}
.article-hero .container{position:relative;z-index:1;}
.crumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:var(--text-3);
  margin-bottom:20px;
}
.crumb a{color:var(--text-3);}
.crumb a:hover{color:var(--primary);}
.crumb .sep{color:var(--line);}
.crumb .current{color:var(--text-3);max-width:340px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.article-hero h1{
  font-size:clamp(26px,3.4vw,38px);
  font-weight:900;
  line-height:1.28;
  margin:18px 0 18px;
  max-width:860px;
}
.meta-row{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:14px;
  font-size:13px;
  color:var(--text-3);
  font-variant-numeric:tabular-nums;
}
.meta-row .dot{
  width:4px;
  height:4px;
  border-radius:50%;
  background:var(--line);
}
.hero-rule{
  height:1px;
  background:var(--line);
  margin-top:26px;
}

/* ============ 正文布局 ============ */
.article-main{
  padding:56px 0 88px;
}
.article-layout{
  display:grid;
  grid-template-columns:minmax(0,760px) 260px;
  gap:56px;
  justify-content:center;
  align-items:start;
}
.article-body{
  font-size:16px;
  line-height:1.9;
  color:var(--text);
  min-width:0;
}
.article-body p{margin:0 0 1.4em;}
.article-body h2{
  font-size:26px;
  font-weight:800;
  margin:2.2em 0 .9em;
  padding-left:12px;
  border-left:4px solid var(--primary);
  line-height:1.4;
}
.article-body h3{
  font-size:20px;
  font-weight:700;
  margin:1.8em 0 .7em;
  color:var(--text);
}
.article-body ul,
.article-body ol{
  margin:0 0 1.4em;
  padding-left:0;
}
.article-body li{
  position:relative;
  padding-left:22px;
  margin-bottom:.6em;
}
.article-body li::before{
  content:"";
  position:absolute;
  left:0;
  top:.68em;
  width:8px;
  height:8px;
  background:var(--accent);
  border-radius:2px;
}
.article-body blockquote{
  margin:1.6em 0;
  padding:18px 22px;
  background:var(--band);
  border-left:3px solid var(--primary);
  border-radius:var(--r-btn);
  color:var(--text-2);
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{
  max-width:100%;
  height:auto;
  border-radius:12px;
  margin:1.6em auto;
}
.article-body a{
  color:var(--primary);
  text-decoration:underline;
  text-underline-offset:3px;
}
.article-body table{
  width:100%;
  border-collapse:collapse;
  margin:1.6em 0;
  font-size:15px;
  font-variant-numeric:tabular-nums;
}
.article-body th{
  background:var(--ink);
  color:#fff;
  text-align:left;
  padding:12px 14px;
  font-weight:600;
}
.article-body td{
  padding:12px 14px;
  border-bottom:1px solid var(--line);
  color:var(--text-2);
}
.article-body strong{font-weight:700;color:var(--text);}
.article-body h2:first-child{margin-top:0;}

/* ============ 侧栏 ============ */
.article-side{
  position:sticky;
  top:96px;
  display:flex;
  flex-direction:column;
  gap:20px;
}
.side-card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:20px;
  box-shadow:var(--sh-card);
}
.side-card h4{
  font-size:14px;
  font-weight:800;
  margin-bottom:14px;
  padding-left:10px;
  border-left:3px solid var(--primary);
  line-height:1.2;
}
.side-links li{
  border-bottom:1px dashed var(--line);
}
.side-links li:last-child{border-bottom:none;}
.side-links a{
  display:block;
  padding:11px 0;
  font-size:14px;
  color:var(--text-2);
  line-height:1.6;
}
.side-links a:hover{color:var(--primary);}
.side-note{
  font-size:13px;
  color:var(--text-3);
  line-height:1.8;
}
.side-cta{
  background:var(--ink);
  border:none;
  color:#E7E4DF;
}
.side-cta h4{color:#fff;border-left-color:var(--accent);}
.side-cta p{font-size:13px;line-height:1.8;color:#9AA3AE;margin-bottom:16px;}

/* ============ 免责说明 ============ */
.notice-box{
  margin-top:44px;
  background:var(--base);
  border:1px solid var(--line);
  border-radius:12px;
  padding:20px 22px;
  font-size:13px;
  line-height:1.9;
  color:var(--text-3);
}
.notice-box strong{color:var(--text-2);font-weight:700;}

/* ============ 空态 ============ */
.empty-card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:56px 28px;
  text-align:center;
  box-shadow:var(--sh-card);
}
.empty-icon{
  width:56px;
  height:56px;
  border-radius:16px;
  background:var(--band);
  margin:0 auto 18px;
  position:relative;
}
.empty-icon::after{
  content:"";
  position:absolute;
  left:18px;
  top:18px;
  width:20px;
  height:20px;
  border:2px solid var(--text-3);
  border-radius:6px;
}
.empty-card h3{font-size:19px;margin-bottom:10px;}
.empty-card p{font-size:14px;color:var(--text-2);margin-bottom:22px;}

/* ============ 相关推荐 ============ */
.related{
  padding:72px 0;
  background:#fff;
  border-top:1px solid var(--line);
}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:20px;
  margin-bottom:32px;
}
.section-head h2{
  font-size:28px;
  font-weight:800;
}
.section-head .more{
  font-size:14px;
  font-weight:600;
  color:var(--primary);
  white-space:nowrap;
}
.section-head .more:hover{color:var(--primary-dark);}
.card-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:24px;
}
.post-card{
  display:flex;
  flex-direction:column;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-card);
  overflow:hidden;
  box-shadow:var(--sh-card);
  transition:transform .18s ease-out,box-shadow .18s ease-out,border-color .18s ease-out;
  height:100%;
}
.post-card:hover{
  transform:translateY(-4px);
  box-shadow:var(--sh-hover);
  border-color:var(--primary);
}
.post-thumb{
  position:relative;
  aspect-ratio:16 / 10;
  background:linear-gradient(135deg,#F1EDE7,#E6E0D8);
  overflow:hidden;
}
.post-thumb img{
  width:100%;
  height:100%;
  object-fit:cover;
}
.post-thumb .tag{
  position:absolute;
  top:12px;
  left:12px;
  background:var(--accent);
  color:var(--ink);
  font-size:12px;
  font-weight:700;
  padding:5px 12px;
  border-radius:var(--r-pill);
}
.post-body{
  padding:18px 20px 22px;
  display:flex;
  flex-direction:column;
  flex:1;
}
.post-body h3{
  font-size:17px;
  font-weight:700;
  line-height:1.55;
  margin-bottom:10px;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.post-body p{
  font-size:14px;
  color:var(--text-2);
  line-height:1.75;
  margin-bottom:16px;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.post-date{
  margin-top:auto;
  font-size:13px;
  color:var(--text-3);
  font-variant-numeric:tabular-nums;
}
.back-row{
  margin-top:36px;
  display:flex;
  justify-content:center;
}

/* ============ CTA ============ */
.cta-band{
  position:relative;
  background:var(--ink);
  color:#E7E4DF;
  padding:64px 0;
  overflow:hidden;
}
.cta-band::before{
  content:"";
  position:absolute;
  left:-80px;
  top:-40px;
  width:260px;
  height:220px;
  background:rgba(232,69,43,.22);
  transform:skewX(-12deg);
}
.cta-band .container{position:relative;z-index:1;}
.cta-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:36px;
  flex-wrap:wrap;
}
.cta-copy h2{
  font-size:30px;
  font-weight:800;
  color:#fff;
  margin-bottom:10px;
}
.cta-copy p{
  color:#9AA3AE;
  font-size:15px;
}
.cta-points{
  display:flex;
  gap:22px;
  flex-wrap:wrap;
  margin-top:22px;
  font-size:13px;
  color:#9AA3AE;
}
.cta-points span{
  display:flex;
  align-items:center;
  gap:8px;
}
.cta-points span::before{
  content:"";
  width:7px;
  height:7px;
  background:var(--accent);
  border-radius:2px;
  transform:skewX(-12deg);
}

/* ============ 页脚 ============ */
.site-footer{
  position:relative;
  background:var(--ink);
  color:#9AA3AE;
  padding:64px 0 0;
}
.site-footer::before{
  content:"";
  position:absolute;
  top:0;
  left:0;
  right:0;
  height:2px;
  background:linear-gradient(90deg,var(--primary),var(--accent));
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.2fr;
  gap:36px;
  padding-bottom:48px;
}
.footer-brand{
  display:flex;
  align-items:center;
  gap:10px;
  font-size:16px;
  font-weight:800;
  color:#fff;
  margin-bottom:16px;
}
.footer-brand .brand-mark{
  width:30px;
  height:30px;
  border-radius:8px;
}
.footer-brand .brand-mark::after{
  left:8px;
  top:8px;
  width:14px;
  height:14px;
  border-width:2px;
}
.site-footer h4{
  font-size:14px;
  font-weight:800;
  color:#fff;
  margin-bottom:16px;
}
.footer-note{
  font-size:13px;
  line-height:1.9;
  color:#9AA3AE;
  margin-bottom:10px;
}
.footer-links li{margin-bottom:10px;}
.footer-links a{
  font-size:14px;
  color:#9AA3AE;
}
.footer-links a:hover{color:var(--accent);}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.09);
  padding:28px 0;
  font-size:12px;
  color:#7C858F;
  text-align:center;
  line-height:1.9;
}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  .article-layout{
    grid-template-columns:minmax(0,760px);
    justify-content:center;
  }
  .article-side{display:none;}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:991px){
  .nav-toggle{display:flex;}
  .nav-list{
    position:fixed;
    top:72px;
    left:0;
    right:0;
    flex-direction:column;
    align-items:stretch;
    gap:0;
    background:#fff;
    padding:8px 20px 20px;
    border-bottom:1px solid var(--line);
    box-shadow:var(--sh-hover);
    display:none;
    max-height:calc(100vh - 72px);
    overflow-y:auto;
  }
  .nav-list.open{display:flex;}
  .nav-list a{
    padding:14px 12px;
    font-size:15px;
    border-bottom:1px solid var(--line);
    border-left:3px solid transparent;
  }
  .nav-list a::after{display:none;}
  .nav-list a.active{border-left-color:var(--accent);}
  .header-cta{display:none;}
  .article-hero{padding:32px 0 28px;}
  .article-hero::before{width:180px;height:150px;right:-70px;}
  .article-main{padding:40px 0 64px;}
  .article-body h2{font-size:22px;}
  .article-body h3{font-size:18px;}
  .cta-inner{flex-direction:column;align-items:flex-start;}
  .cta-copy h2{font-size:24px;}
}
@media (max-width:767px){
  .container,.wrap{padding:0 16px;}
  .card-grid{grid-template-columns:minmax(0,1fr);}
  .footer-grid{grid-template-columns:minmax(0,1fr);gap:28px;}
  .related{padding:56px 0;}
  .section-head h2{font-size:22px;}
  .cta-band{padding:48px 0;}
  .article-body{font-size:16px;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;}
  .post-card:hover{transform:none;}
  .btn:hover{transform:none;}
}

/* roulang page: category2 */
:root{
  --primary:#E8452B;
  --primary-dark:#D23B22;
  --accent:#B7F03C;
  --ink:#0E1116;
  --base:#F7F5F2;
  --alt:#F1EDE7;
  --text:#1B1F24;
  --muted:#5C646E;
  --faint:#8A9199;
  --line:#D9D5CF;
  --ok:#1F9D55;
  --warn:#D93025;
  --radius-btn:8px;
  --radius-card:16px;
  --radius-hero:20px;
  --shadow-card:0 2px 8px rgba(14,17,22,.06);
  --shadow-hover:0 10px 24px rgba(14,17,22,.12);
  --space-section:104px;
  --bs-primary:#E8452B;
  --bs-body-bg:#F7F5F2;
  --bs-body-color:#1B1F24;
  --bs-border-color:#D9D5CF;
  --bs-border-radius:8px;
  --bs-font-sans-serif:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--text);
  background:var(--base);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button,input{font:inherit;color:inherit;}
h1,h2,h3,h4{margin:0;letter-spacing:-.02em;color:var(--text);line-height:1.25;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;}
.num{font-variant-numeric:tabular-nums;letter-spacing:-.01em;}

.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:var(--base);
  border-bottom:1px solid var(--line);
  transition:background .2s ease-out,box-shadow .2s ease-out;
}
.site-header.scrolled{background:rgba(247,245,242,.96);box-shadow:0 2px 10px rgba(14,17,22,.06);}
.header-inner{
  max-width:1200px;margin:0 auto;padding:0 24px;
  height:72px;display:flex;align-items:center;gap:20px;
}
.brand{display:flex;align-items:center;gap:10px;flex:none;}
.brand-mark{
  width:36px;height:36px;flex:none;border-radius:5px;background:var(--primary);
  transform:skewX(-12deg);position:relative;
}
.brand-mark::after{
  content:"";position:absolute;left:9px;right:9px;top:16px;height:4px;
  background:var(--accent);border-radius:2px;
}
.brand-text{font-size:17px;font-weight:800;letter-spacing:-.02em;white-space:nowrap;}
.nav-toggle{
  display:none;margin-left:auto;width:44px;height:44px;border:1px solid var(--line);
  background:#fff;border-radius:8px;align-items:center;justify-content:center;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--text);position:relative;}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--text);
}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}
.nav-list{display:flex;align-items:center;gap:28px;margin-left:auto;}
.nav-list a{
  font-size:15px;font-weight:500;color:var(--text);position:relative;
  padding:6px 0;transition:color .2s ease-out;white-space:nowrap;
}
.nav-list a:hover{color:var(--primary);}
.nav-list a.active{color:var(--primary);}
.nav-list a.active::after{
  content:"";position:absolute;left:0;right:0;bottom:-4px;height:3px;
  background:var(--primary);transform:skewX(-12deg);
}
.header-cta{
  flex:none;display:inline-flex;align-items:center;justify-content:center;
  min-height:44px;padding:0 20px;border-radius:var(--radius-btn);
  background:var(--primary);color:#fff;font-size:15px;font-weight:600;
  transition:background .2s ease-out,transform .2s ease-out,box-shadow .2s ease-out;
}
.header-cta:hover{background:var(--primary-dark);color:#fff;transform:translateY(-1px);box-shadow:var(--shadow-card);}
.header-cta:active{transform:translateY(0);}

/* ============ 按钮体系 ============ */
.btn-rl{
  display:inline-flex;align-items:center;justify-content:center;
  min-height:48px;padding:13px 26px;border-radius:var(--radius-btn);
  font-size:16px;font-weight:600;border:1px solid transparent;cursor:pointer;
  transition:background .2s ease-out,color .2s ease-out,border-color .2s ease-out,transform .2s ease-out,box-shadow .2s ease-out;
}
.btn-rl--primary{background:var(--primary);color:#fff;}
.btn-rl--primary:hover{background:var(--primary-dark);color:#fff;transform:translateY(-1px);box-shadow:var(--shadow-hover);}
.btn-rl--primary:active{transform:translateY(0);}
.btn-rl--ghost{background:transparent;border-color:var(--ink);color:var(--ink);}
.btn-rl--ghost:hover{background:var(--ink);color:#fff;transform:translateY(-1px);}
.btn-rl--ghost:active{transform:translateY(0);}
.btn-rl--light{background:var(--accent);color:var(--ink);}
.btn-rl--light:hover{background:#a9e02f;color:var(--ink);transform:translateY(-1px);box-shadow:0 10px 24px rgba(0,0,0,.28);}
.btn-rl--light:active{transform:translateY(0);}
.btn-rl--outline-light{background:transparent;border-color:rgba(231,228,223,.5);color:#E7E4DF;}
.btn-rl--outline-light:hover{border-color:var(--accent);color:var(--accent);}

/* ============ 徽章 / 标签 ============ */
.badge-rl{
  display:inline-flex;align-items:center;gap:6px;
  padding:6px 14px;border-radius:999px;background:var(--accent);color:var(--ink);
  font-size:12px;font-weight:700;letter-spacing:.01em;line-height:1.4;
}
.badge-outline{
  display:inline-flex;align-items:center;padding:5px 12px;border-radius:999px;
  border:1px solid var(--primary);color:var(--primary);font-size:12px;font-weight:700;
}

/* ============ Hero ============ */
.page-hero{
  position:relative;overflow:hidden;color:#fff;
  min-height:320px;display:flex;align-items:center;
  background-image:linear-gradient(90deg,rgba(14,17,22,.86) 0%,rgba(14,17,22,.62) 60%,rgba(14,17,22,.72) 100%),url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;
}
.page-hero::after{
  content:"";position:absolute;right:-60px;bottom:-40px;width:280px;height:180px;
  background:var(--primary);opacity:.85;transform:skewX(-12deg);
}
.page-hero .wrap{position:relative;z-index:2;padding-top:52px;padding-bottom:52px;}
.page-hero h1{
  color:#fff;font-size:clamp(30px,4.2vw,46px);font-weight:900;line-height:1.15;
  letter-spacing:-.02em;max-width:760px;
}
.page-hero .lead{
  margin-top:14px;font-size:17px;color:#E7E4DF;max-width:620px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;}
.crumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:#B9C0C8;margin-bottom:18px;
}
.crumb a{color:#B9C0C8;transition:color .2s ease-out;}
.crumb a:hover{color:var(--accent);}
.crumb .sep{opacity:.5;}
.crumb .cur{color:#E7E4DF;}

/* ============ 通用板块 ============ */
.section{padding:var(--space-section) 0;}
.section--alt{background:#fff;}
.section--tint{background:var(--alt);}
.section-head{max-width:760px;margin-bottom:40px;}
.section-head h2{font-size:clamp(24px,2.6vw,32px);font-weight:800;}
.section-head p{margin-top:12px;color:var(--muted);font-size:16px;}
.section-head .kicker{
  display:inline-block;margin-bottom:12px;font-size:12px;font-weight:700;
  letter-spacing:.08em;color:var(--primary);text-transform:uppercase;
}

/* ============ 对比表 ============ */
.cmp-wrap{
  overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius-card);
  background:#fff;box-shadow:var(--shadow-card);
}
.cmp-table{width:100%;min-width:720px;border-collapse:separate;border-spacing:0;}
.cmp-table thead th{
  position:sticky;top:0;z-index:2;
  background:var(--ink);color:#fff;font-size:15px;font-weight:700;
  text-align:center;height:64px;vertical-align:middle;padding:0 12px;position:relative;
}
.cmp-table thead th:first-child{text-align:left;padding-left:26px;}
.cmp-table tbody td{
  height:56px;font-size:15px;color:var(--muted);text-align:center;
  border-bottom:1px solid var(--line);padding:0 12px;vertical-align:middle;
}
.cmp-table tbody td:first-child{text-align:left;padding-left:26px;font-weight:700;color:var(--text);}
.cmp-table tbody tr:last-child td{border-bottom:none;}
.cmp-table th.rec,.cmp-table td.rec{background:#fff;}
.cmp-table th.rec{
  border-left:2px solid var(--primary);border-right:2px solid var(--primary);
  border-top:2px solid var(--primary);
}
.cmp-table td.rec{border-left:2px solid var(--primary);border-right:2px solid var(--primary);}
.cmp-table tbody tr:last-child td.rec{border-bottom:2px solid var(--primary);}
.cmp-table td.rec .yes{color:var(--primary);font-weight:700;}
.cmp-table td.rec .no{color:var(--faint);}
.mini-badge{
  position:absolute;top:-13px;left:50%;transform:translateX(-50%);
  background:var(--accent);color:var(--ink);font-size:12px;font-weight:700;
  padding:4px 12px;border-radius:999px;white-space:nowrap;
}
.table-note{margin-top:16px;font-size:13px;color:var(--faint);}

/* ============ 等级进度总览 ============ */
.progress-track{
  display:flex;border-radius:999px;overflow:hidden;border:1px solid var(--line);
  background:#fff;margin-bottom:44px;
}
.pt-seg{
  flex:1;padding:14px 18px;font-size:14px;font-weight:700;color:var(--muted);
  display:flex;align-items:center;justify-content:space-between;gap:8px;
  border-right:1px solid var(--line);position:relative;
}
.pt-seg:last-child{border-right:none;}
.pt-seg span{font-size:13px;font-weight:600;color:var(--faint);}
.pt-seg--1{background:var(--alt);}
.pt-seg--2{background:rgba(232,69,43,.10);color:var(--text);}
.pt-seg--3{background:rgba(183,240,60,.35);color:var(--text);}
.pt-seg--3 span{color:#3E4A28;}

/* ============ 等级卡 ============ */
.tier-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.tier-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
  padding:30px 28px;box-shadow:var(--shadow-card);
  transition:transform .2s ease-out,box-shadow .2s ease-out,border-color .2s ease-out;
}
.tier-card:nth-child(1),.tier-card:nth-child(3){margin-top:24px;}
.tier-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:var(--primary);}
.tier-card h3{font-size:21px;font-weight:800;}
.tier-card .tier-desc{margin-top:8px;font-size:14px;color:var(--muted);min-height:44px;}
.tier-list{margin-top:20px;display:grid;gap:12px;}
.tier-list li{position:relative;padding-left:20px;font-size:15px;color:var(--text);}
.tier-list li::before{
  content:"";position:absolute;left:0;top:11px;width:8px;height:8px;
  background:var(--accent);border-radius:2px;transform:skewX(-12deg);
}
.meter-row{margin-top:24px;}
.meter-label{display:flex;justify-content:space-between;font-size:13px;color:var(--faint);margin-bottom:8px;}
.meter{height:8px;border-radius:999px;background:var(--alt);overflow:hidden;}
.meter > i{display:block;height:100%;border-radius:999px;background:var(--primary);}
.tier-card .tier-cta{
  margin-top:24px;display:inline-flex;align-items:center;font-size:14px;font-weight:600;color:var(--primary);
}
.tier-card .tier-cta:hover{color:var(--primary-dark);}

/* ============ 非对称说明区 ============ */
.split{display:grid;grid-template-columns:380px 1fr;gap:56px;align-items:start;}
.split h2{font-size:clamp(24px,2.6vw,30px);font-weight:800;}
.split p{margin-top:14px;color:var(--muted);}
.split figure{margin:28px 0 0;border-radius:var(--radius-card);overflow:hidden;border:1px solid var(--line);background:#fff;}
.split figure img{width:100%;aspect-ratio:8/5;object-fit:cover;}
.split-actions{margin-top:28px;display:flex;flex-wrap:wrap;gap:12px;}
.path-list{display:grid;gap:18px;}
.path-item{
  display:grid;grid-template-columns:64px 1fr;gap:20px;align-items:start;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
  padding:24px 26px;box-shadow:var(--shadow-card);
  transition:border-color .2s ease-out,box-shadow .2s ease-out,transform .2s ease-out;
}
.path-item:hover{border-color:var(--primary);box-shadow:var(--shadow-hover);transform:translateY(-2px);}
.path-num{
  font-size:34px;font-weight:900;color:var(--primary);line-height:1;
  font-variant-numeric:tabular-nums;
}
.path-item h3{font-size:18px;font-weight:700;}
.path-item p{margin-top:8px;font-size:15px;color:var(--muted);}
.path-item .tag{margin-top:12px;display:inline-block;font-size:12px;font-weight:700;color:var(--primary);border:1px solid var(--primary);border-radius:999px;padding:3px 10px;}

/* ============ FAQ ============ */
.faq-list{background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden;box-shadow:var(--shadow-card);}
.faq-item{border-bottom:1px solid var(--line);}
.faq-item:last-child{border-bottom:none;}
.faq-q{
  width:100%;background:none;border:none;text-align:left;cursor:pointer;
  padding:22px 26px;display:flex;align-items:center;justify-content:space-between;gap:20px;
  font-size:17px;font-weight:600;color:var(--text);transition:color .2s ease-out;
}
.faq-q:hover{color:var(--primary);}
.faq-icon{position:relative;width:20px;height:20px;flex:none;}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;background:var(--primary);border-radius:2px;transition:transform .2s ease-out;
}
.faq-icon::before{left:0;top:9px;width:20px;height:2px;}
.faq-icon::after{left:9px;top:0;width:2px;height:20px;}
.faq-item.open .faq-icon::after{transform:rotate(90deg);opacity:0;}
.faq-a{max-height:0;overflow:hidden;transition:max-height .2s ease-out;}
.faq-a-inner{padding:0 26px 24px;font-size:15px;line-height:1.75;color:var(--muted);}
.faq-item.open .faq-a{max-height:420px;}

/* ============ CTA ============ */
.cta-band{background:var(--ink);color:#E7E4DF;position:relative;overflow:hidden;}
.cta-band::before{
  content:"";position:absolute;left:-70px;top:-60px;width:320px;height:220px;
  background:var(--primary);opacity:.9;transform:skewX(-12deg);
}
.cta-band::after{
  content:"";position:absolute;left:0;right:0;top:0;height:2px;
  background:linear-gradient(90deg,var(--primary) 0%,var(--accent) 100%);
}
.cta-inner{position:relative;z-index:2;display:flex;flex-wrap:wrap;gap:32px;align-items:center;justify-content:space-between;padding:72px 0;}
.cta-inner h2{color:#fff;font-size:clamp(24px,2.6vw,32px);font-weight:800;max-width:520px;}
.cta-inner p{margin-top:12px;color:#B9C0C8;max-width:520px;}
.cta-side{display:flex;flex-direction:column;gap:16px;min-width:280px;}
.cta-points{display:flex;flex-wrap:wrap;gap:18px;font-size:13px;color:#9AA3AE;}
.cta-points li{display:flex;align-items:center;gap:6px;}
.cta-points li::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--accent);}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink);color:#9AA3AE;position:relative;}
.site-footer::before{
  content:"";position:absolute;top:0;left:0;right:0;height:2px;
  background:linear-gradient(90deg,var(--primary) 0%,var(--accent) 100%);
}
.footer-grid{
  display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;
  padding:64px 0 40px;
}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand .brand-mark{width:32px;height:32px;}
.footer-brand span{color:#fff;font-size:16px;font-weight:800;}
.site-footer h4{color:#E7E4DF;font-size:15px;font-weight:700;margin-bottom:16px;}
.footer-links{display:grid;gap:10px;}
.footer-links a{font-size:14px;color:#9AA3AE;transition:color .2s ease-out;}
.footer-links a:hover{color:var(--accent);}
.footer-note{font-size:14px;line-height:1.8;color:#9AA3AE;margin-bottom:10px;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.08);
  padding:28px 0;font-size:12px;color:#7C858F;text-align:center;
}

/* ============ 响应式 ============ */
@media (max-width:1199.98px){
  .split{grid-template-columns:1fr;gap:36px;}
  .tier-grid{grid-template-columns:repeat(2,1fr);}
  .tier-card:nth-child(1),.tier-card:nth-child(3){margin-top:0;}
  .tier-card:nth-child(2){margin-top:0;}
}
@media (max-width:991.98px){
  :root{--space-section:72px;}
  .header-inner{height:64px;}
  .nav-toggle{display:flex;}
  .nav-list{
    position:absolute;top:64px;left:0;right:0;
    flex-direction:column;align-items:stretch;gap:0;margin-left:0;
    background:#fff;border-bottom:1px solid var(--line);
    box-shadow:0 12px 24px rgba(14,17,22,.10);padding:6px 0;
  }
  .nav-list a{
    display:flex;align-items:center;height:52px;padding:0 24px;
    border-bottom:1px solid var(--line);font-size:15px;
  }
  .nav-list a:last-child{border-bottom:none;}
  .nav-list a.active{color:var(--primary);border-left:3px solid var(--accent);padding-left:21px;}
  .nav-list a.active::after{display:none;}
  .header-cta{padding:0 16px;font-size:14px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;padding:48px 0 32px;}
  .cta-inner{padding:56px 0;}
}
@media (max-width:767.98px){
  .wrap{padding:0 16px;}
  .header-inner{padding:0 16px;}
  .brand-text{font-size:15px;}
  .page-hero{min-height:0;padding:0;}
  .page-hero::after{width:180px;height:110px;right:-50px;bottom:-30px;}
  .page-hero .wrap{padding-top:36px;padding-bottom:36px;}
  .hero-actions .btn-rl{flex:1 1 auto;}
  .tier-grid{grid-template-columns:1fr;}
  .progress-track{flex-direction:column;border-radius:16px;}
  .pt-seg{border-right:none;border-bottom:1px solid var(--line);}
  .pt-seg:last-child{border-bottom:none;}
  .path-item{grid-template-columns:48px 1fr;gap:14px;padding:20px;}
  .path-num{font-size:28px;}
  .faq-q{padding:18px 18px;font-size:16px;}
  .faq-a-inner{padding:0 18px 20px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .cta-inner{padding:48px 0;}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;}
  .tier-card:hover,.path-item:hover,.btn-rl:hover,.header-cta:hover{transform:none;}
}

/* roulang page: category4 */
:root{
  --primary:#E8452B;
  --primary-dark:#CF3A22;
  --accent:#B7F03C;
  --ink:#0E1116;
  --base:#F7F5F2;
  --surface:#FFFFFF;
  --surface-2:#F1EDE7;
  --text:#1B1F24;
  --muted:#5C646E;
  --faint:#8A9199;
  --line:#D9D5CF;
  --success:#1F9D55;
  --warn:#D93025;
  --r-btn:8px;
  --r-card:16px;
  --r-hero:20px;
  --r-pill:999px;
  --shadow-card:0 2px 8px rgba(14,17,22,.06);
  --shadow-hover:0 10px 24px rgba(14,17,22,.12);
  --bs-primary:#E8452B;
  --bs-body-bg:#F7F5F2;
  --bs-body-color:#1B1F24;
  --bs-border-color:#D9D5CF;
  --bs-border-radius:8px;
  --bs-font-sans-serif:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--text);
  background:var(--base);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button{font-family:inherit;}
h1,h2,h3,h4{margin:0;letter-spacing:-.02em;font-weight:800;color:var(--text);}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
.num{font-variant-numeric:tabular-nums;letter-spacing:-.01em;}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;}
.wrap{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:60;
  background:rgba(247,245,242,.96);
  border-bottom:1px solid var(--line);
  backdrop-filter:saturate(160%) blur(6px);
}
.header-inner{
  display:flex;align-items:center;gap:28px;
  min-height:72px;
}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:17px;letter-spacing:-.02em;color:var(--text);flex:0 0 auto;}
.brand-mark{
  width:36px;height:36px;border-radius:6px;background:var(--primary);
  transform:skewX(-12deg);position:relative;flex:0 0 auto;
}
.brand-mark::after{
  content:"";position:absolute;inset:9px 10px;
  background:linear-gradient(90deg,#fff 0 46%,rgba(255,255,255,.35) 46% 100%);
  border-radius:2px;
}
.nav-list{display:flex;align-items:center;gap:28px;margin-left:auto;}
.nav-list a{
  font-size:15px;font-weight:500;color:var(--text);position:relative;
  padding:6px 0;transition:color .18s ease-out;
}
.nav-list a::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:3px;
  background:var(--primary);transform:skewX(-12deg) scaleX(0);transform-origin:left;
  transition:transform .18s ease-out;border-radius:2px;
}
.nav-list a:hover{color:var(--primary);}
.nav-list a:hover::after,.nav-list a.active::after{transform:skewX(-12deg) scaleX(1);}
.nav-list a.active{color:var(--primary);font-weight:700;}
.nav-cta{
  display:inline-flex;align-items:center;justify-content:center;
  min-height:44px;padding:12px 24px;border-radius:var(--r-btn);
  background:var(--primary);color:#fff;font-weight:600;font-size:15px;
  border:1px solid var(--primary);
  transition:background .18s ease-out,transform .18s ease-out,box-shadow .18s ease-out;
  white-space:nowrap;
}
.nav-cta:hover{background:var(--primary-dark);border-color:var(--primary-dark);transform:translateY(-1px);box-shadow:var(--shadow-hover);color:#fff;}
.nav-cta:active{transform:translateY(0);}
.nav-toggle{
  display:none;margin-left:auto;width:44px;height:44px;border:1px solid var(--line);
  border-radius:var(--r-btn);background:var(--surface);cursor:pointer;
  align-items:center;justify-content:center;flex-direction:column;gap:5px;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;}

/* ============ 页面 Hero ============ */
.page-hero{
  position:relative;
  min-height:320px;
  display:flex;align-items:center;
  background-image:linear-gradient(rgba(14,17,22,.86),rgba(14,17,22,.78)),url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;
  color:#E7E4DF;
  border-radius:0 0 var(--r-hero) var(--r-hero);
  overflow:hidden;
}
.page-hero::after{
  content:"";position:absolute;right:-60px;bottom:-70px;width:240px;height:200px;
  background:var(--primary);opacity:.18;transform:skewX(-12deg);
}
.hero-inner{position:relative;z-index:2;padding:56px 0;max-width:760px;}
.breadcrumb-line{
  font-size:13px;color:#9AA3AE;margin-bottom:16px;display:flex;flex-wrap:wrap;gap:8px;align-items:center;
}
.breadcrumb-line a{color:#C9CFD6;}
.breadcrumb-line a:hover{color:var(--accent);}
.breadcrumb-line .sep{color:#6B7480;}
.breadcrumb-line .current{color:#E7E4DF;}
.eyebrow{
  display:inline-block;background:var(--accent);color:var(--ink);
  font-size:12px;font-weight:700;letter-spacing:.02em;
  padding:5px 14px;border-radius:var(--r-pill);margin-bottom:18px;
}
.page-hero h1{
  font-size:clamp(28px,3.6vw,46px);line-height:1.15;font-weight:900;
  color:#FFFFFF;letter-spacing:-.02em;margin-bottom:16px;
}
.page-hero .hero-sub{font-size:17px;color:#D6D2CC;max-width:620px;}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px;}
.hero-tags span{
  font-size:13px;color:#E7E4DF;border:1px solid rgba(231,228,223,.34);
  padding:6px 14px;border-radius:var(--r-pill);
}

/* ============ 通用板块 ============ */
.section{padding:88px 0;}
.section.tight{padding:64px 0;}
.section.alt{background:var(--surface);}
.section.warm{background:var(--surface-2);}
.section-head{margin-bottom:44px;}
.section-head .kicker{
  display:block;font-size:13px;font-weight:700;color:var(--primary);
  letter-spacing:.06em;margin-bottom:10px;
}
.section-head h2{font-size:clamp(26px,3vw,34px);line-height:1.25;margin-bottom:12px;}
.section-head p{color:var(--muted);font-size:16px;max-width:720px;}
.rule-line{height:2px;background:linear-gradient(90deg,var(--primary),var(--accent));border-radius:2px;width:72px;margin-bottom:22px;}

/* ============ 快捷入口错位卡 ============ */
.quick-grid{
  display:grid;grid-template-columns:repeat(4,1fr);gap:24px;align-items:start;
}
.quick-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  padding:26px 24px;box-shadow:var(--shadow-card);
  transition:transform .2s ease-out,box-shadow .2s ease-out,border-color .2s ease-out;
  display:flex;flex-direction:column;height:100%;
}
.quick-grid .quick-card:nth-child(even){margin-top:24px;}
.quick-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:var(--primary);}
.quick-card .q-index{
  font-variant-numeric:tabular-nums;font-size:26px;font-weight:900;color:var(--primary);
  letter-spacing:-.01em;line-height:1;margin-bottom:14px;
}
.quick-card h3{font-size:19px;font-weight:700;margin-bottom:10px;}
.quick-card p{font-size:14.5px;color:var(--muted);line-height:1.75;}
.quick-card .q-link{
  margin-top:auto;padding-top:18px;font-size:14px;font-weight:600;color:var(--primary);
  display:inline-flex;align-items:center;gap:6px;
}
.quick-card:hover .q-link{color:var(--primary-dark);}

/* ============ 搜索外观 ============ */
.search-panel{
  background:var(--ink);color:#E7E4DF;border-radius:var(--r-hero);
  padding:44px 40px;position:relative;overflow:hidden;
}
.search-panel::before{
  content:"";position:absolute;left:-70px;top:-60px;width:200px;height:180px;
  background:var(--primary);opacity:.22;transform:skewX(-12deg);
}
.search-panel .sp-inner{position:relative;z-index:2;max-width:760px;}
.search-panel h2{color:#fff;font-size:clamp(22px,2.4vw,28px);margin-bottom:10px;}
.search-panel p{color:#C7CCD2;font-size:15px;}
.faq-search{
  display:flex;gap:12px;margin-top:24px;flex-wrap:wrap;
}
.faq-search .field{flex:1 1 320px;position:relative;}
.faq-search input{
  width:100%;height:48px;border-radius:var(--r-btn);
  border:1px solid rgba(231,228,223,.28);background:rgba(255,255,255,.06);
  color:#fff;padding:0 16px;font-size:15px;
  transition:border-color .18s ease-out,background .18s ease-out;
}
.faq-search input::placeholder{color:#98A1AB;}
.faq-search input:focus{outline:none;border:2px solid var(--primary);background:rgba(255,255,255,.1);}
.faq-search button{
  height:48px;padding:0 28px;border-radius:var(--r-btn);border:1px solid var(--accent);
  background:var(--accent);color:var(--ink);font-weight:700;font-size:15px;cursor:pointer;
  transition:transform .18s ease-out,filter .18s ease-out;
}
.faq-search button:hover{transform:translateY(-1px);filter:brightness(.95);}
.faq-search button:active{transform:translateY(0);}
.search-hint{margin-top:14px;font-size:13px;color:#98A1AB;}

/* ============ FAQ ============ */
.faq-group{margin-bottom:40px;}
.faq-group:last-child{margin-bottom:0;}
.faq-group-title{
  display:flex;align-items:center;gap:12px;margin-bottom:18px;
}
.faq-group-title .bar{width:4px;height:22px;background:var(--primary);border-radius:2px;}
.faq-group-title h2{font-size:22px;font-weight:800;color:var(--text);}
.faq-list{border-top:1px solid var(--line);}
.faq-item{border-bottom:1px solid var(--line);}
.faq-q{
  width:100%;background:none;border:0;cursor:pointer;text-align:left;
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:22px 4px;font-size:17px;font-weight:600;color:var(--text);
  transition:color .18s ease-out;
}
.faq-q:hover{color:var(--primary);}
.faq-q .plus{
  flex:0 0 auto;width:20px;height:20px;position:relative;
  transition:transform .2s ease-out;
}
.faq-q .plus::before,.faq-q .plus::after{
  content:"";position:absolute;background:var(--primary);border-radius:2px;
}
.faq-q .plus::before{left:0;top:9px;width:20px;height:2px;}
.faq-q .plus::after{left:9px;top:0;width:2px;height:20px;}
.faq-item.open .faq-q .plus{transform:rotate(45deg);}
.faq-a{
  max-height:0;overflow:hidden;
  transition:max-height .2s ease-out;
}
.faq-a-inner{
  padding:0 56px 24px 4px;font-size:15px;color:var(--muted);line-height:1.75;
}
.faq-item.open .faq-a{max-height:420px;}

/* ============ 人工协助分栏 ============ */
.help-split{
  display:grid;grid-template-columns:1.05fr .95fr;gap:44px;align-items:center;
}
.help-split .media{
  border-radius:var(--r-hero);overflow:hidden;position:relative;
  aspect-ratio:16/10;background:linear-gradient(135deg,var(--surface-2),#E4DED5);
  box-shadow:var(--shadow-card);
}
.help-split .media img{width:100%;height:100%;object-fit:cover;lazy:true;}
.help-split .media::after{
  content:"";position:absolute;inset:0;background:rgba(14,17,22,.18);
}
.help-split h2{font-size:clamp(24px,2.6vw,30px);margin-bottom:14px;}
.help-split p{color:var(--muted);margin-bottom:16px;}
.check-list li{
  display:flex;gap:12px;align-items:flex-start;
  padding:12px 0;border-bottom:1px dashed var(--line);font-size:15px;color:var(--text);
}
.check-list li:last-child{border-bottom:0;}
.check-list .sq{
  flex:0 0 auto;width:10px;height:10px;background:var(--accent);border-radius:2px;margin-top:11px;
}
.help-split .btn-row{margin-top:26px;display:flex;gap:14px;flex-wrap:wrap;}

/* ============ 按钮 ============ */
.btn-main,.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;
  min-height:44px;padding:14px 26px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;cursor:pointer;border:1px solid transparent;
  transition:background .18s ease-out,transform .18s ease-out,box-shadow .18s ease-out,color .18s ease-out;
}
.btn-main{background:var(--primary);border-color:var(--primary);color:#fff;}
.btn-main:hover{background:var(--primary-dark);border-color:var(--primary-dark);transform:translateY(-1px);box-shadow:var(--shadow-hover);color:#fff;}
.btn-main:active{transform:translateY(0);}
.btn-ghost{background:transparent;border-color:var(--ink);color:var(--ink);}
.btn-ghost:hover{background:var(--ink);color:#fff;transform:translateY(-1px);}
.btn-ghost:active{transform:translateY(0);}

/* ============ CTA ============ */
.cta-band{
  background:var(--ink);color:#E7E4DF;position:relative;overflow:hidden;
  padding:72px 0;
}
.cta-band::before{
  content:"";position:absolute;left:-90px;top:-80px;width:280px;height:260px;
  background:var(--primary);opacity:.2;transform:skewX(-12deg);
}
.cta-band::after{
  content:"";position:absolute;right:-80px;bottom:-100px;width:260px;height:220px;
  background:var(--accent);opacity:.12;transform:skewX(-12deg);
}
.cta-inner{
  position:relative;z-index:2;display:flex;align-items:center;justify-content:space-between;
  gap:36px;flex-wrap:wrap;
}
.cta-inner h2{color:#fff;font-size:clamp(24px,2.8vw,32px);margin-bottom:12px;}
.cta-inner p{color:#C7CCD2;font-size:15px;max-width:520px;}
.cta-points{display:flex;gap:22px;flex-wrap:wrap;margin-top:22px;font-size:13px;color:#98A1AB;}
.cta-points span{display:inline-flex;align-items:center;gap:8px;}
.cta-points span::before{content:"";width:8px;height:8px;background:var(--accent);border-radius:2px;}
.btn-accent{
  display:inline-flex;align-items:center;justify-content:center;
  min-height:44px;padding:16px 34px;border-radius:var(--r-btn);
  background:var(--accent);color:var(--ink);font-weight:700;font-size:16px;
  border:1px solid var(--accent);
  transition:transform .18s ease-out,filter .18s ease-out;
  white-space:nowrap;
}
.btn-accent:hover{transform:translateY(-1px);filter:brightness(.94);color:var(--ink);}
.btn-accent:active{transform:translateY(0);}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--ink);color:#9AA3AE;
  border-top:2px solid transparent;
  background-image:linear-gradient(var(--ink),var(--ink)),linear-gradient(90deg,var(--primary),var(--accent));
  background-origin:border-box;background-clip:padding-box,border-box;
  padding:64px 0 0;
}
.footer-grid{
  display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;
}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-weight:800;font-size:17px;margin-bottom:16px;}
.footer-brand .brand-mark{width:30px;height:30px;border-radius:5px;}
.footer-brand .brand-mark::after{inset:8px;}
.footer-note{font-size:14px;line-height:1.8;color:#9AA3AE;margin-bottom:12px;}
.site-footer h4{color:#E7E4DF;font-size:15px;font-weight:700;margin-bottom:18px;}
.footer-links li{margin-bottom:12px;}
.footer-links a{font-size:14px;color:#9AA3AE;transition:color .18s ease-out;}
.footer-links a:hover{color:var(--accent);}
.footer-bottom{
  margin-top:48px;border-top:1px solid rgba(231,228,223,.12);
  padding:28px 0;font-size:12px;color:#7D8792;text-align:center;
}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  .quick-grid{grid-template-columns:repeat(2,1fr);}
  .quick-grid .quick-card:nth-child(even){margin-top:20px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px;}
}
@media (max-width:991px){
  .nav-list{
    position:absolute;left:0;right:0;top:100%;
    flex-direction:column;align-items:stretch;gap:0;
    background:#fff;border-bottom:1px solid var(--line);
    padding:8px 0;display:none;
  }
  .nav-list.open{display:flex;}
  .nav-list a{
    padding:15px 24px;border-bottom:1px solid var(--line);
    border-left:3px solid transparent;font-size:15px;
  }
  .nav-list a::after{display:none;}
  .nav-list a.active{border-left-color:var(--accent);background:var(--base);}
  .nav-toggle{display:flex;}
  .nav-cta{display:none;}
  .page-hero{min-height:280px;}
  .hero-inner{padding:40px 0;}
  .section{padding:64px 0;}
  .help-split{grid-template-columns:1fr;gap:32px;}
  .help-split .media{order:-1;aspect-ratio:16/9;}
  .faq-a-inner{padding-right:24px;}
}
@media (max-width:767px){
  .wrap{padding:0 16px;}
  .quick-grid{grid-template-columns:1fr;}
  .quick-grid .quick-card:nth-child(even){margin-top:0;}
  .search-panel{padding:32px 22px;}
  .search-panel::before{display:none;}
  .faq-search .field{flex:1 1 100%;}
  .faq-search button{width:100%;}
  .cta-inner{flex-direction:column;align-items:flex-start;}
  .footer-grid{grid-template-columns:1fr;}
  .section{padding:56px 0;}
  .page-hero h1{font-size:28px;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;}
  .quick-card:hover,.btn-main:hover,.btn-ghost:hover,.btn-accent:hover,.nav-cta:hover{transform:none;}
}

/* roulang page: category3 */
:root{
  --bs-primary:#E8452B;
  --bs-body-bg:#F7F5F2;
  --bs-body-color:#1B1F24;
  --bs-border-color:#D9D5CF;
  --bs-border-radius:16px;
  --bs-font-sans-serif:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
  --primary:#E8452B;
  --primary-dark:#CF3A22;
  --accent:#B7F03C;
  --accent-dark:#A6E22B;
  --ink:#0E1116;
  --base:#F7F5F2;
  --alt:#F1EDE7;
  --text:#1B1F24;
  --muted:#5C646E;
  --soft:#8A9199;
  --line:#D9D5CF;
  --success:#1F9D55;
  --warn:#D93025;
  --r-btn:8px;
  --r-card:16px;
  --r-hero:20px;
  --sh-card:0 2px 8px rgba(14,17,22,.06);
  --sh-hover:0 10px 24px rgba(14,17,22,.12);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--base);
  color:var(--text);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;letter-spacing:-.02em;line-height:1.25}
p{margin:0}
.num{font-variant-numeric:tabular-nums;letter-spacing:-.01em}

.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding-left:20px;
  padding-right:20px;
}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(247,245,242,.96);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.header-inner{
  display:flex;align-items:center;justify-content:space-between;
  gap:24px;min-height:72px;
}
.brand{display:inline-flex;align-items:center;gap:12px;flex:0 0 auto}
.brand-mark{
  width:36px;height:36px;flex:0 0 36px;border-radius:6px;
  background:var(--primary);transform:skewX(-12deg);
  position:relative;
}
.brand-mark::after{
  content:"";position:absolute;left:8px;right:8px;bottom:9px;height:3px;
  background:var(--accent);border-radius:2px;opacity:.9;
}
.brand-name{font-size:17px;font-weight:800;letter-spacing:-.02em;color:var(--ink);white-space:nowrap}
.nav-list{display:flex;align-items:center;gap:28px}
.nav-list a{
  position:relative;display:inline-block;padding:6px 0;
  font-size:15px;font-weight:500;color:var(--text);
  transition:color .18s ease-out;
}
.nav-list a:hover{color:var(--primary)}
.nav-list a.active{color:var(--primary);font-weight:600}
.nav-list a.active::after{
  content:"";position:absolute;left:0;right:0;bottom:-3px;height:3px;
  background:var(--primary);border-radius:2px;transform:skewX(-12deg);
}
.header-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.menu-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--line);
  border-radius:var(--r-btn);background:#fff;cursor:pointer;
  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}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 26px;min-height:44px;
  border:1px solid transparent;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;line-height:1;
  cursor:pointer;transition:background .18s ease-out,color .18s ease-out,transform .18s ease-out,box-shadow .18s ease-out,border-color .18s ease-out;
}
.btn-sm{padding:10px 18px;min-height:40px;font-size:14px}
.btn-primary{background:var(--primary);color:#fff}
.btn-primary:hover{background:var(--primary-dark);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-hover)}
.btn-primary:active{transform:none;box-shadow:none}
.btn-ghost{background:transparent;border-color:var(--ink);color:var(--ink)}
.btn-ghost:hover{background:var(--ink);color:#fff;transform:translateY(-1px)}
.btn-ghost:active{transform:none}
.btn-accent{background:var(--accent);color:var(--ink)}
.btn-accent:hover{background:var(--accent-dark);color:var(--ink);transform:translateY(-1px);box-shadow:0 10px 24px rgba(183,240,60,.28)}
.btn-accent:active{transform:none;box-shadow:none}
.btn-on-dark{background:transparent;border-color:rgba(231,228,223,.45);color:#E7E4DF}
.btn-on-dark:hover{border-color:var(--accent);color:var(--accent)}
.btn:focus-visible,.menu-toggle:focus-visible,.tag-btn:focus-visible,.faq-q:focus-visible,.nav-list a:focus-visible{
  outline:2px solid var(--primary);outline-offset:2px;
}

/* ---------- 徽章 ---------- */
.badge-lime{
  display:inline-block;background:var(--accent);color:var(--ink);
  border-radius:999px;padding:4px 12px;font-size:12px;font-weight:700;line-height:1.6;
}
.badge-outline{
  display:inline-block;border:1px solid var(--primary);color:var(--primary);
  border-radius:999px;padding:3px 11px;font-size:12px;font-weight:700;line-height:1.6;
  background:#fff;
}

/* ---------- 分类页 Hero ---------- */
.hero-cat{
  position:relative;overflow:hidden;background:var(--ink);color:#fff;
  min-height:320px;display:flex;align-items:center;
}
.hero-bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.5}
.hero-mask{
  position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(14,17,22,.94) 0%,rgba(14,17,22,.76) 52%,rgba(14,17,22,.42) 100%);
}
.hero-cat::after{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.06;
  background-image:radial-gradient(#F7F5F2 1px,transparent 1px);
  background-size:18px 18px;
}
.hero-inner{position:relative;z-index:2;padding:52px 0}
.crumb{font-size:13px;color:#9AA3AE;margin-bottom:16px}
.crumb a{color:#9AA3AE;transition:color .18s ease-out}
.crumb a:hover{color:var(--accent)}
.crumb .sep{margin:0 8px;color:#5C646E}
.hero-cat h1{
  font-size:clamp(30px,4.2vw,44px);font-weight:900;line-height:1.15;
  margin:16px 0 0;max-width:20ch;color:#fff;
}
.hero-sub{
  margin-top:16px;max-width:52ch;font-size:16px;line-height:1.8;color:#D8D5D0;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}

/* ---------- 通用板块 ---------- */
.section{padding:96px 0}
.section-alt{background:#fff}
.section-warm{background:var(--alt)}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:36px}
.section-head h2{font-size:clamp(26px,3vw,34px);font-weight:800}
.section-head .lead{margin-top:10px;font-size:15px;color:var(--muted);max-width:60ch}
.text-link{font-size:14px;font-weight:600;color:var(--primary);display:inline-flex;align-items:center;gap:6px}
.text-link::after{content:"→";transition:transform .18s ease-out}
.text-link:hover::after{transform:translateX(4px)}

/* ---------- 标签筛选 ---------- */
.tag-bar{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px;
  padding:22px 0 0;
}
.tag-bar .tag-label{font-size:13px;font-weight:600;color:var(--soft);margin-right:6px}
.tag-btn{
  border:1px solid var(--line);background:#fff;color:var(--muted);
  border-radius:999px;padding:9px 20px;font-size:14px;font-weight:600;
  cursor:pointer;transition:all .18s ease-out;min-height:40px;
}
.tag-btn:hover{border-color:var(--primary);color:var(--primary)}
.tag-btn.is-active{background:var(--ink);border-color:var(--ink);color:#fff}

/* ---------- 焦点通栏卡 ---------- */
.feature-card{
  display:grid;grid-template-columns:1.15fr 1fr;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--sh-card);
  transition:box-shadow .2s ease-out,transform .2s ease-out;
}
.feature-card:hover{box-shadow:var(--sh-hover);transform:translateY(-4px)}
.feature-media{position:relative;aspect-ratio:16/10;background:linear-gradient(135deg,#F1EDE7,#fff);overflow:hidden}
.feature-media img{width:100%;height:100%;object-fit:cover}
.feature-body{padding:36px 38px;display:flex;flex-direction:column;justify-content:center;gap:16px}
.feature-body h3{font-size:24px;font-weight:800;line-height:1.35}
.feature-body p{font-size:15px;color:var(--muted)}
.feature-meta{display:flex;flex-wrap:wrap;gap:16px;font-size:13px;color:var(--soft)}
.media-tag{
  position:absolute;top:14px;right:14px;
}
.media-lock{
  position:absolute;left:14px;bottom:14px;
  background:rgba(14,17,22,.78);color:#fff;font-size:12px;font-weight:600;
  padding:5px 12px;border-radius:999px;
}

/* ---------- 封面网格 ---------- */
.cover-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:32px}
.cover-card{
  display:flex;flex-direction:column;background:#fff;
  border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--sh-card);
  transition:transform .2s ease-out,box-shadow .2s ease-out,border-color .2s ease-out;
}
.cover-card:hover{transform:translateY(-4px);border-color:var(--primary);box-shadow:var(--sh-hover)}
.cover-media{position:relative;aspect-ratio:16/10;background:linear-gradient(135deg,#F1EDE7,#fff);overflow:hidden}
.cover-media img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease-out}
.cover-card:hover .cover-media img{transform:scale(1.04)}
.cover-body{padding:20px 22px 24px;display:flex;flex-direction:column;gap:10px;flex:1}
.cover-title{
  font-size:17px;font-weight:700;line-height:1.5;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.cover-desc{
  font-size:14px;color:var(--muted);line-height:1.7;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.cover-meta{
  margin-top:auto;padding-top:12px;border-top:1px solid var(--alt);
  display:flex;flex-wrap:wrap;gap:14px;font-size:13px;color:var(--soft);
  font-variant-numeric:tabular-nums;
}

/* ---------- 更新节奏（非对称） ---------- */
.rhythm{display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:start}
.timeline li{
  position:relative;padding:0 0 28px 68px;
  border-left:1px solid var(--line);margin-left:22px;
}
.timeline li:last-child{border-left-color:transparent;padding-bottom:0}
.timeline .step-no{
  position:absolute;left:-22px;top:-4px;width:44px;height:44px;
  display:flex;align-items:center;justify-content:center;
  background:#fff;border:1px solid var(--line);border-radius:12px;
  color:var(--primary);font-size:18px;font-weight:800;
}
.timeline h3{font-size:19px;font-weight:700;margin-bottom:8px}
.timeline p{font-size:15px;color:var(--muted)}
.hud{
  position:relative;overflow:hidden;background:var(--ink);color:#E7E4DF;
  border-radius:var(--r-card);padding:34px 32px;
}
.hud::before{
  content:"";position:absolute;right:-70px;top:-70px;width:220px;height:220px;
  background:var(--primary);opacity:.22;transform:skewX(-12deg);
}
.hud::after{
  content:"";position:absolute;left:0;right:0;top:0;height:2px;
  background:linear-gradient(90deg,var(--primary),var(--accent));
}
.hud h3{position:relative;font-size:20px;font-weight:800;color:#fff;margin-bottom:6px}
.hud .hud-sub{position:relative;font-size:14px;color:#9AA3AE;margin-bottom:24px}
.hud-grid{position:relative;display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.hud-item{border-top:1px solid rgba(231,228,223,.18);padding-top:14px}
.hud-item .val{font-size:28px;font-weight:800;color:var(--accent);font-variant-numeric:tabular-nums;letter-spacing:-.01em}
.hud-item .val small{font-size:14px;font-weight:600;margin-left:3px;color:#E7E4DF}
.hud-item .lbl{font-size:13px;color:#9AA3AE;margin-top:2px}
.hud-note{position:relative;margin-top:24px;font-size:13px;color:#9AA3AE;line-height:1.7}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:860px}
.faq-list{border-top:1px solid var(--line);margin-top:8px}
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{
  position:relative;width:100%;background:none;border:0;text-align:left;
  padding:22px 46px 22px 0;font-size:17px;font-weight:600;color:var(--text);
  cursor:pointer;transition:color .18s ease-out;
}
.faq-q:hover{color:var(--primary)}
.faq-q::after{
  content:"+";position:absolute;right:8px;top:50%;
  transform:translateY(-50%);font-size:22px;font-weight:400;color:var(--primary);
  transition:transform .2s ease-out;
}
.faq-item.open .faq-q::after{transform:translateY(-50%) rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .25s ease-out}
.faq-item.open .faq-a{max-height:360px}
.faq-a p{
  padding:0 0 22px;font-size:15px;line-height:1.75;color:var(--muted);max-width:72ch;
}

/* ---------- CTA 通栏 ---------- */
.cta-band{
  position:relative;overflow:hidden;background:var(--ink);color:#fff;
  padding:80px 0;
}
.cta-band::before{
  content:"";position:absolute;left:-80px;top:-60px;width:280px;height:360px;
  background:var(--primary);opacity:.9;transform:skewX(-12deg);
}
.cta-band::after{
  content:"";position:absolute;right:-90px;bottom:-120px;width:220px;height:260px;
  background:var(--accent);opacity:.16;transform:skewX(-12px);
}
.cta-inner{position:relative;z-index:2;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:32px}
.cta-inner h2{font-size:clamp(24px,3vw,32px);font-weight:800;max-width:22ch}
.cta-inner p{margin-top:14px;font-size:15px;color:#9AA3AE;max-width:46ch}
.cta-action{display:flex;flex-direction:column;gap:16px;align-items:flex-start}
.cta-points{display:flex;flex-wrap:wrap;gap:20px;font-size:13px;color:#9AA3AE}
.cta-points span{display:inline-flex;align-items:center;gap:8px}
.cta-points span::before{
  content:"";width:8px;height:8px;background:var(--accent);border-radius:2px;transform:rotate(45deg);
}

/* ---------- 页脚 ---------- */
.site-footer{position:relative;background:var(--ink);color:#9AA3AE}
.site-footer::before{content:"";display:block;height:2px;background:linear-gradient(90deg,var(--primary),var(--accent))}
.footer-grid{
  display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:32px;
  padding:56px 0 36px;
}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px}
.footer-brand .brand-mark{width:32px;height:32px;flex:0 0 32px}
.footer-brand span:last-child{font-size:16px;font-weight:800;color:#fff;letter-spacing:-.02em}
.footer-note{font-size:14px;line-height:1.75;color:#9AA3AE;max-width:34ch}
.footer-note + .footer-note{margin-top:12px}
.site-footer h4{font-size:15px;font-weight:700;color:#fff;margin-bottom:16px}
.footer-links li{margin-bottom:10px}
.footer-links a{font-size:14px;color:#9AA3AE;transition:color .18s ease-out}
.footer-links a:hover{color:var(--accent)}
.footer-bottom{
  border-top:1px solid rgba(231,228,223,.12);
  padding:28px 0;font-size:12px;color:#7C858F;
}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  .cover-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px 28px}
  .rhythm{grid-template-columns:1fr;gap:32px}
}
@media (max-width:991.98px){
  .section{padding:64px 0}
  .hero-inner{padding:40px 0}
  .hero-cat{min-height:280px}
  .hero-cat h1{font-size:clamp(26px,6vw,34px)}
  .menu-toggle{display:inline-flex}
  .nav-list{
    position:absolute;left:0;right:0;top:100%;
    display:none;flex-direction:column;align-items:stretch;gap:0;
    background:#fff;border-bottom:1px solid var(--line);
    box-shadow:0 12px 24px rgba(14,17,22,.08);
    padding:6px 0;
  }
  .nav-list.open{display:flex}
  .nav-list a{
    min-height:52px;display:flex;align-items:center;
    padding:0 20px;font-size:15px;border-bottom:1px solid var(--alt);
    position:relative;
  }
  .nav-list a:last-child{border-bottom:0}
  .nav-list a.active::after{content:none}
  .nav-list a.active::before{
    content:"";position:absolute;left:0;top:10px;bottom:10px;width:3px;background:var(--accent);
  }
  .feature-card{grid-template-columns:1fr}
  .feature-body{padding:28px 24px}
  .hud-grid{grid-template-columns:repeat(2,1fr)}
  .cta-inner{flex-direction:column;align-items:flex-start}
}
@media (max-width:767.98px){
  .container{padding-left:18px;padding-right:18px}
  .cover-grid{grid-template-columns:1fr}
  .header-actions .btn{display:none}
  .brand-name{font-size:15px}
}
@media (max-width:575.98px){
  .container{padding-left:16px;padding-right:16px}
  .section{padding:56px 0}
  .hero-inner{padding:34px 0}
  .hero-actions .btn{width:100%}
  .hud-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .timeline li{padding-left:56px;margin-left:18px}
  .timeline .step-no{width:38px;height:38px;left:-19px;font-size:16px}
  .cta-band{padding:56px 0}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important;scroll-behavior:auto!important}
  .cover-card:hover,.feature-card:hover{transform:none}
}