/* roulang page: index */
:root{
  --ink:#1F2A2E;
  --ink-soft:#2C3B40;
  --ink-line:rgba(255,255,255,.14);
  --accent:#C0683A;
  --accent-dark:#A65629;
  --accent-soft:rgba(192,104,58,.12);
  --bg:#FAF8F5;
  --bg-alt:#F1EEEA;
  --surface:#FFFFFF;
  --text:#2B3336;
  --muted:#6E797D;
  --border:#E5DFD7;
  --r-sm:6px;
  --r-md:12px;
  --r-lg:16px;
  --r-pill:999px;
  --sh-1:0 2px 8px rgba(31,42,46,.06);
  --sh-2:0 8px 24px rgba(31,42,46,.10);
  --sh-3:0 18px 48px rgba(31,42,46,.18);
  --max:1200px;
  --font:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:90px}
body{
  margin:0;
  font-family:var(--font);
  font-size:16.5px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none;transition:color .25s ease,background-color .25s ease,border-color .25s ease}
a:hover{color:var(--accent)}
h1,h2,h3,h4,h5{margin:0;color:var(--ink);font-weight:700;letter-spacing:-.01em;line-height:1.3}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
button{font-family:inherit}
:focus-visible{outline:3px solid rgba(192,104,58,.42);outline-offset:2px;border-radius:4px}

.container-x{width:100%;max-width:var(--max);margin:0 auto;padding:0 24px}
.section{padding:110px 0}
.section-alt{background:var(--bg-alt)}
.section-tight{padding:88px 0}

.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;letter-spacing:.16em;font-weight:700;
  color:var(--accent);text-transform:uppercase;
}
.eyebrow::before{content:"";width:26px;height:2px;background:var(--accent);border-radius:2px;display:block}
.section-head{max-width:720px;margin-bottom:52px}
.section-title{font-size:36px;margin:16px 0 14px}
.section-lead{color:var(--muted);font-size:16.5px}

/* ===== 按钮 ===== */
.btn-x{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:14px 28px;border-radius:var(--r-sm);
  font-size:15.5px;font-weight:600;line-height:1;
  border:1px solid transparent;cursor:pointer;
  transition:transform .22s ease,box-shadow .22s ease,background-color .22s ease,color .22s ease,border-color .22s ease;
}
.btn-solid{background:var(--accent);color:#fff;box-shadow:0 6px 18px rgba(192,104,58,.24)}
.btn-solid:hover{background:var(--accent-dark);color:#fff;transform:translateY(-1px);box-shadow:0 10px 26px rgba(192,104,58,.3)}
.btn-solid:active{transform:translateY(1px)}
.btn-ink{background:var(--ink);color:#fff}
.btn-ink:hover{background:#16201F;color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2)}
.btn-ghost{border-color:rgba(31,42,46,.24);color:var(--ink);background:transparent}
.btn-ghost:hover{border-color:var(--ink);background:rgba(31,42,46,.05);color:var(--ink)}
.btn-ghost-light{border-color:rgba(255,255,255,.42);color:#fff;background:transparent}
.btn-ghost-light:hover{border-color:#fff;background:rgba(255,255,255,.12);color:#fff}
.btn-sm{padding:10px 20px;font-size:14px}
.link-underline{
  position:relative;color:var(--accent);font-weight:600;
  background-image:linear-gradient(var(--accent),var(--accent));
  background-size:0 1px;background-repeat:no-repeat;background-position:0 100%;
  transition:background-size .3s ease;
}
.link-underline:hover{background-size:100% 1px;color:var(--accent-dark)}

/* ===== 顶部导航 ===== */
.progress-bar-top{position:fixed;top:0;left:0;height:2px;width:0;background:var(--accent);z-index:1080;transition:width .1s linear}
.site-header{
  position:sticky;top:0;z-index:1040;
  background:rgba(250,248,245,.88);
  backdrop-filter:saturate(180%) blur(14px);
  -webkit-backdrop-filter:saturate(180%) blur(14px);
  border-bottom:1px solid var(--border);
}
.nav-shell{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:76px}
.brand{display:flex;align-items:center;gap:11px;font-weight:800;font-size:19px;color:var(--ink);letter-spacing:-.02em}
.brand:hover{color:var(--ink)}
.brand-mark{
  width:36px;height:36px;border-radius:10px;flex:none;
  background:linear-gradient(140deg,var(--ink) 0%,#38494E 100%);
  color:#fff;display:flex;align-items:center;justify-content:center;
  font-size:14px;font-weight:800;letter-spacing:.02em;
}
.brand-text small{display:block;font-size:11px;font-weight:600;letter-spacing:.14em;color:var(--muted);text-transform:uppercase;line-height:1.4}
.nav-links{display:flex;align-items:center;gap:30px}
.nav-links>a{
  font-size:15px;font-weight:600;color:#3D4A4E;position:relative;padding:6px 0;
}
.nav-links>a::after{
  content:"";position:absolute;left:0;bottom:0;height:2px;width:0;
  background:var(--accent);border-radius:2px;transition:width .28s ease;
}
.nav-links>a:hover{color:var(--ink)}
.nav-links>a:hover::after{width:100%}
.nav-links>a.active{color:var(--accent)}
.nav-links>a.active::after{width:100%}
.nav-links>a.nav-pill{
  padding:8px 16px;border-radius:var(--r-pill);
  background:var(--accent-soft);color:var(--accent-dark);
}
.nav-links>a.nav-pill::after{display:none}
.nav-links>a.nav-pill:hover{background:rgba(192,104,58,.2);color:var(--accent-dark)}
.nav-right{display:flex;align-items:center;gap:14px}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:var(--r-sm);
  border:1px solid var(--border);background:#fff;color:var(--ink);
  align-items:center;justify-content:center;font-size:17px;
}

/* ===== 移动端抽屉 ===== */
.offcanvas.drawer{background:var(--ink);color:#fff;width:100%;max-width:420px}
.offcanvas.drawer .offcanvas-header{border-bottom:1px solid var(--ink-line);padding:20px 24px}
.drawer .drawer-brand{display:flex;align-items:center;gap:11px;font-weight:800;font-size:18px;color:#fff}
.drawer .btn-close{filter:invert(1) grayscale(1) brightness(2);opacity:.8}
.drawer .offcanvas-body{padding:20px 24px 28px;display:flex;flex-direction:column}
.drawer-links{display:flex;flex-direction:column}
.drawer-links a{
  padding:16px 0;font-size:17px;font-weight:600;color:rgba(255,255,255,.86);
  border-bottom:1px solid var(--ink-line);display:flex;align-items:center;justify-content:space-between;
}
.drawer-links a:hover,.drawer-links a.active{color:#fff}
.drawer-links a i{font-size:13px;color:rgba(255,255,255,.4)}
.drawer-foot{margin-top:auto;padding-top:28px}
.drawer-foot .btn-x{width:100%}
.drawer-note{font-size:13px;color:rgba(255,255,255,.5);margin-top:14px;line-height:1.7}

/* ===== Hero ===== */
.hero{
  position:relative;min-height:88vh;display:flex;align-items:center;
  color:#fff;overflow:hidden;isolation:isolate;
}
.hero-bg{
  position:absolute;inset:0;z-index:-2;
  background-image:url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;
  transform:scale(1.03);
}
.hero-overlay{
  position:absolute;inset:0;z-index:-1;
  background:linear-gradient(105deg,rgba(19,28,31,.94) 0%,rgba(19,28,31,.82) 46%,rgba(19,28,31,.55) 100%);
}
.hero-inner{padding:120px 0 96px;max-width:900px}
.hero-tag{
  display:inline-flex;align-items:center;gap:10px;
  padding:7px 16px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.2);
  font-size:13.5px;font-weight:600;letter-spacing:.04em;color:#fff;
}
.hero-tag i{color:#E9A97C}
.hero h1{
  color:#fff;font-size:54px;line-height:1.24;margin:26px 0 22px;font-weight:800;letter-spacing:-.02em;
}
.hero h1 em{font-style:normal;color:#E9A97C}
.hero-sub{
  font-size:19px;line-height:1.75;color:rgba(255,255,255,.82);max-width:660px;font-weight:500;
}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:38px}
.hero-stats{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:1px;
  margin-top:64px;background:rgba(255,255,255,.16);
  border:1px solid rgba(255,255,255,.16);border-radius:var(--r-md);overflow:hidden;
}
.hero-stats div{background:rgba(19,28,31,.42);padding:22px 20px}
.hero-stats b{display:block;font-size:28px;font-weight:800;color:#fff;letter-spacing:-.02em;line-height:1.2}
.hero-stats span{font-size:13.5px;color:rgba(255,255,255,.66)}

/* ===== 卖点区（非对称） ===== */
.feature-grid{display:grid;grid-template-columns:minmax(0,4fr) minmax(0,7fr);gap:64px;align-items:start}
.feature-aside{position:sticky;top:110px}
.feature-list{border-top:1px solid var(--border)}
.feature-item{
  display:grid;grid-template-columns:74px minmax(0,1fr);gap:24px;
  padding:30px 0;border-bottom:1px solid var(--border);
  transition:padding-left .3s ease;
}
.feature-item:hover{padding-left:8px}
.feature-num{
  font-size:26px;font-weight:800;color:var(--accent);letter-spacing:-.02em;
  font-variant-numeric:tabular-nums;line-height:1.2;
}
.feature-item h3{font-size:20px;margin-bottom:8px}
.feature-item p{color:var(--muted);font-size:15.5px}
.feature-item .chip{margin-top:12px}

.chip{
  display:inline-block;padding:5px 13px;border-radius:var(--r-pill);
  background:var(--accent-soft);color:var(--accent-dark);
  font-size:12.5px;font-weight:700;letter-spacing:.02em;
}
.chip-plain{background:rgba(31,42,46,.06);color:#4A575B}

/* ===== 演示区 ===== */
.demo-row{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:56px;align-items:center;margin-bottom:72px}
.demo-row:last-child{margin-bottom:0}
.demo-figure{
  border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-2);
  aspect-ratio:16/11;background:var(--bg-alt);
}
.demo-figure img{width:100%;height:100%;object-fit:cover;transition:transform .6s ease}
.demo-figure:hover img{transform:scale(1.04)}
.demo-copy h3{font-size:24px;margin:16px 0 14px}
.demo-copy p{color:var(--muted);margin-bottom:20px}
.step-list li{
  display:flex;gap:12px;align-items:flex-start;padding:11px 0;
  border-bottom:1px dashed var(--border);font-size:15.5px;color:#3D4A4E;
}
.step-list li:last-child{border-bottom:0}
.step-list i{color:var(--accent);font-size:13px;margin-top:7px}
.demo-row.reverse .demo-figure{order:2}

/* ===== 证据区 ===== */
.proof-track{
  display:flex;gap:22px;overflow-x:auto;padding:6px 4px 24px;
  scroll-snap-type:x mandatory;-webkit-overflow-scrolling:touch;
}
.proof-track::-webkit-scrollbar{height:6px}
.proof-track::-webkit-scrollbar-thumb{background:rgba(31,42,46,.2);border-radius:99px}
.proof-card{
  flex:0 0 336px;scroll-snap-align:start;
  background:var(--surface);border:1px solid var(--border);border-radius:var(--r-md);
  padding:30px 28px;box-shadow:var(--sh-1);
  transition:transform .3s ease,box-shadow .3s ease;
}
.proof-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2)}
.proof-card .quote-mark{font-size:26px;color:var(--accent);line-height:1;margin-bottom:16px}
.proof-card p{font-size:15.5px;color:#3D4A4E;margin-bottom:22px}
.proof-meta{display:flex;align-items:center;gap:12px;border-top:1px solid var(--border);padding-top:18px}
.proof-avatar{
  width:42px;height:42px;border-radius:50%;flex:none;
  background:var(--ink);color:#fff;display:flex;align-items:center;justify-content:center;
  font-weight:700;font-size:15px;
}
.proof-meta b{display:block;font-size:14.5px;color:var(--ink)}
.proof-meta span{font-size:13px;color:var(--muted)}
.metric-strip{
  display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;margin-top:44px;
}
.metric-strip div{border-left:2px solid var(--accent);padding-left:20px}
.metric-strip b{display:block;font-size:32px;font-weight:800;color:var(--ink);line-height:1.2;letter-spacing:-.02em}
.metric-strip span{font-size:14px;color:var(--muted)}

/* ===== 最新信息 ===== */
.post-card{
  display:flex;flex-direction:column;height:100%;
  background:var(--surface);border:1px solid var(--border);border-radius:var(--r-md);
  overflow:hidden;box-shadow:var(--sh-1);
  transition:transform .3s ease,box-shadow .3s ease;
}
.post-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);color:inherit}
.post-cover{aspect-ratio:16/10;overflow:hidden;background:var(--bg-alt)}
.post-cover img{width:100%;height:100%;object-fit:cover;transition:transform .55s ease}
.post-card:hover .post-cover img{transform:scale(1.06)}
.post-body{padding:22px 24px 24px;display:flex;flex-direction:column;flex:1}
.post-body .chip{margin-bottom:14px;align-self:flex-start}
.post-title{font-size:18px;line-height:1.5;margin-bottom:10px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.post-excerpt{
  color:var(--muted);font-size:14.5px;line-height:1.75;margin-bottom:18px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.post-time{margin-top:auto;font-size:13px;color:var(--muted);display:flex;align-items:center;gap:8px}
.empty-state{
  text-align:center;padding:70px 24px;border:1px dashed var(--border);
  border-radius:var(--r-md);background:var(--surface);color:var(--muted);
}
.empty-state i{font-size:30px;color:var(--accent);margin-bottom:16px;display:block}
.empty-state p{font-size:15.5px}

/* ===== 方案区 ===== */
.price-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:26px;align-items:stretch}
.price-card{
  position:relative;background:var(--surface);border:1px solid var(--border);
  border-radius:var(--r-lg);padding:36px 32px;display:flex;flex-direction:column;
  transition:transform .3s ease,box-shadow .3s ease;
}
.price-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.price-card.featured{border:2px solid var(--ink);box-shadow:var(--sh-2)}
.price-badge{
  position:absolute;top:-13px;left:32px;background:var(--accent);color:#fff;
  font-size:12.5px;font-weight:700;letter-spacing:.06em;padding:6px 14px;border-radius:var(--r-pill);
}
.price-card h3{font-size:20px;margin-bottom:10px}
.price-value{font-size:34px;font-weight:800;color:var(--ink);letter-spacing:-.02em;line-height:1.2;margin:6px 0 8px}
.price-value small{font-size:14px;font-weight:600;color:var(--muted);margin-left:6px}
.price-desc{color:var(--muted);font-size:14.5px;margin-bottom:22px}
.price-list{flex:1;border-top:1px solid var(--border);padding-top:20px;margin-bottom:26px}
.price-list li{display:flex;gap:11px;align-items:flex-start;font-size:15px;color:#3D4A4E;padding:7px 0}
.price-list i{color:var(--accent);font-size:13px;margin-top:7px}

/* ===== FAQ ===== */
.faq-wrap{max-width:880px;margin:0 auto}
.faq-item{
  background:var(--surface);border:1px solid var(--border);border-radius:var(--r-md);
  margin-bottom:14px;overflow:hidden;transition:box-shadow .3s ease,border-color .3s ease;
}
.faq-item[open]{box-shadow:var(--sh-1);border-color:rgba(192,104,58,.35)}
.faq-item summary{
  list-style:none;cursor:pointer;padding:22px 26px;
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  font-size:17px;font-weight:700;color:var(--ink);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary i{color:var(--accent);font-size:14px;transition:transform .3s ease;flex:none}
.faq-item[open] summary i{transform:rotate(180deg)}
.faq-body{padding:0 26px 24px;color:var(--muted);font-size:15.5px;line-height:1.85}

/* ===== 结尾 CTA ===== */
.cta-band{
  background:linear-gradient(120deg,#1B2528 0%,#26363A 100%);
  color:#fff;border-radius:var(--r-lg);padding:64px 56px;
  display:grid;grid-template-columns:minmax(0,1.4fr) minmax(0,1fr);gap:40px;align-items:center;
}
.cta-band h2{color:#fff;font-size:32px;margin-bottom:14px}
.cta-band p{color:rgba(255,255,255,.72);font-size:16px}
.cta-band-actions{display:flex;gap:14px;flex-wrap:wrap;justify-content:flex-end}

/* ===== 页脚 ===== */
.site-footer{background:var(--ink);color:rgba(255,255,255,.7);padding:78px 0 0;margin-top:0}
.footer-grid{display:grid;grid-template-columns:minmax(0,1.6fr) repeat(3,minmax(0,1fr));gap:44px}
.footer-brand{display:flex;align-items:center;gap:11px;color:#fff;font-weight:800;font-size:19px;margin-bottom:18px}
.footer-brand .brand-mark{background:rgba(255,255,255,.12)}
.footer-desc{font-size:14.5px;line-height:1.85;color:rgba(255,255,255,.6);max-width:340px}
.footer-col h4{color:#fff;font-size:15px;margin-bottom:18px;letter-spacing:.02em}
.footer-col a{display:block;font-size:14.5px;color:rgba(255,255,255,.62);padding:6px 0}
.footer-col a:hover{color:#fff}
.footer-col p{font-size:14.5px;color:rgba(255,255,255,.62);padding:5px 0}
.footer-bottom{
  margin-top:60px;border-top:1px solid var(--ink-line);
  padding:24px 0 30px;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13.5px;color:rgba(255,255,255,.5);
}

/* ===== 浮动 CTA ===== */
.float-cta{
  position:fixed;right:28px;bottom:28px;z-index:1050;
  display:inline-flex;align-items:center;gap:10px;
  padding:15px 26px;border-radius:var(--r-pill);
  background:var(--accent);color:#fff;font-weight:700;font-size:15px;
  box-shadow:0 14px 34px rgba(192,104,58,.36);
  opacity:0;transform:translateY(16px);pointer-events:none;
  transition:opacity .4s ease,transform .4s ease,background-color .3s ease;
}
.float-cta.show{opacity:1;transform:translateY(0);pointer-events:auto}
.float-cta:hover{background:var(--accent-dark);color:#fff}
.mobile-cta{
  display:none;position:fixed;left:0;right:0;bottom:0;z-index:1050;
  padding:12px 18px calc(12px + env(safe-area-inset-bottom));
  background:rgba(250,248,245,.96);border-top:1px solid var(--border);
  backdrop-filter:blur(12px);
  transform:translateY(110%);transition:transform .4s ease;
}
.mobile-cta.show{transform:translateY(0)}
.mobile-cta .btn-x{width:100%}

/* ===== 入场动效 ===== */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .55s ease,transform .55s ease}
.reveal.is-visible{opacity:1;transform:none}

/* ===== 响应式 ===== */
@media (max-width:1199.98px){
  .hero h1{font-size:46px}
  .feature-grid{gap:44px}
  .section{padding:92px 0}
}
@media (max-width:991.98px){
  .nav-links{display:none}
  .nav-right .btn-x{display:none}
  .nav-toggle{display:inline-flex}
  .hero h1{font-size:38px}
  .hero-sub{font-size:17.5px}
  .hero{min-height:auto}
  .hero-inner{padding:96px 0 72px}
  .hero-stats{grid-template-columns:repeat(2,minmax(0,1fr));margin-top:48px}
  .feature-grid{grid-template-columns:1fr;gap:36px}
  .feature-aside{position:static}
  .demo-row{grid-template-columns:1fr;gap:30px;margin-bottom:56px}
  .demo-row.reverse .demo-figure{order:0}
  .price-grid{grid-template-columns:1fr;gap:34px}
  .price-card.featured{order:-1}
  .cta-band{grid-template-columns:1fr;padding:52px 36px}
  .cta-band-actions{justify-content:flex-start}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:36px}
  .section-title{font-size:30px}
  .metric-strip{grid-template-columns:1fr;gap:18px}
  .float-cta{display:none}
  .mobile-cta{display:block}
}
@media (max-width:575.98px){
  .container-x{padding:0 20px}
  .section{padding:64px 0}
  .section-tight{padding:56px 0}
  .hero h1{font-size:30px}
  .hero-inner{padding:78px 0 60px}
  .hero-actions{gap:12px}
  .hero-actions .btn-x{width:100%}
  .hero-stats{grid-template-columns:1fr 1fr;gap:1px}
  .hero-stats div{padding:18px 16px}
  .hero-stats b{font-size:22px}
  .feature-item{grid-template-columns:52px minmax(0,1fr);gap:16px;padding:24px 0}
  .feature-num{font-size:22px}
  .section-title{font-size:24px}
  .faq-item summary{font-size:15.5px;padding:18px 20px}
  .faq-body{padding:0 20px 20px;font-size:15px}
  .cta-band{padding:40px 24px}
  .cta-band h2{font-size:24px}
  .cta-band-actions .btn-x{width:100%}
  .brand{font-size:16.5px}
  .footer-grid{grid-template-columns:1fr}
  .proof-card{flex:0 0 84%}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;transition-duration:.001ms !important}
  html{scroll-behavior:auto}
  .reveal{opacity:1;transform:none}
}

/* roulang page: article */
:root{
  --c-ink:#1F2A2E;
  --c-ink-soft:#2B383C;
  --c-accent:#C0764A;
  --c-accent-dark:#A9603A;
  --c-accent-soft:rgba(192,118,74,.10);
  --c-bg:#FAF8F5;
  --c-bg-alt:#F1EEEA;
  --c-card:#FFFFFF;
  --c-text:#333A3C;
  --c-text-2:#5C6567;
  --c-text-3:#8A9294;
  --c-border:#E6E1DA;
  --r-sm:6px;
  --r-md:12px;
  --r-lg:16px;
  --r-pill:999px;
  --sh-1:0 2px 8px rgba(31,42,46,.06);
  --sh-2:0 8px 24px rgba(31,42,46,.10);
  --sh-3:0 16px 48px rgba(31,42,46,.18);
  --font-sans:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans CJK SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
}

*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--c-bg);
  color:var(--c-text);
  font-family:var(--font-sans);
  font-size:16.5px;
  line-height:1.85;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:color .2s ease,border-color .2s ease,background-color .2s ease;}
button{font-family:inherit;}
h1,h2,h3,h4,p{margin:0;}
::selection{background:var(--c-accent);color:#fff;}

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

/* ---------- 按钮体系 ---------- */
.btn-x{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:var(--r-sm);
  font-size:15px;font-weight:600;line-height:1;
  border:1px solid transparent;cursor:pointer;white-space:nowrap;
  transition:background-color .22s ease,color .22s ease,transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.btn-x:focus-visible{outline:3px solid rgba(192,118,74,.35);outline-offset:2px;}
.btn-solid{background:var(--c-accent);color:#fff;}
.btn-solid:hover{background:var(--c-accent-dark);transform:translateY(-1px);box-shadow:0 10px 22px rgba(192,118,74,.28);}
.btn-ink{background:var(--c-ink);color:#fff;}
.btn-ink:hover{background:var(--c-ink-soft);transform:translateY(-1px);box-shadow:var(--sh-2);}
.btn-ghost{border-color:var(--c-border);color:var(--c-ink);background:transparent;}
.btn-ghost:hover{border-color:var(--c-ink);background:rgba(31,42,46,.04);}
.btn-outline-light{border-color:rgba(255,255,255,.34);color:#fff;background:transparent;}
.btn-outline-light:hover{border-color:#fff;background:rgba(255,255,255,.10);}

/* ---------- 站点头部 ---------- */
.site-header{
  position:sticky;top:0;z-index:1000;
  background:rgba(250,248,245,.9);
  -webkit-backdrop-filter:blur(12px);
  backdrop-filter:blur(12px);
  border-bottom:1px solid var(--c-border);
  transition:box-shadow .3s ease;
}
.site-header.is-scrolled{box-shadow:var(--sh-1);}
.header-inner{display:flex;align-items:center;gap:26px;height:76px;}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.brand-mark{
  display:inline-flex;align-items:center;justify-content:center;
  width:36px;height:36px;border-radius:10px;
  background:var(--c-ink);color:#fff;
  font-size:13px;font-weight:700;letter-spacing:.05em;
}
.brand-name{font-size:17px;font-weight:700;color:var(--c-ink);letter-spacing:-.01em;}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto;}
.nav-links a{
  position:relative;padding:9px 14px;border-radius:var(--r-pill);
  font-size:15px;color:var(--c-text-2);
}
.nav-links a:hover{color:var(--c-ink);background:var(--c-bg-alt);}
.nav-links a.active{color:var(--c-ink);font-weight:600;}
.nav-links a.active::after{
  content:"";position:absolute;left:50%;bottom:2px;transform:translateX(-50%);
  width:16px;height:2px;border-radius:2px;background:var(--c-accent);
}
.nav-links a[data-slug="official-entry"]{
  border:1px solid var(--c-border);color:var(--c-ink);font-weight:600;
}
.nav-links a[data-slug="official-entry"]:hover{border-color:var(--c-ink);background:transparent;}
.header-actions{display:flex;align-items:center;gap:12px;}
.header-cta{padding:11px 22px;font-size:14.5px;}
.menu-toggle{
  display:none;flex-direction:column;justify-content:center;align-items:center;gap:4px;
  width:42px;height:42px;border-radius:var(--r-sm);
  border:1px solid var(--c-border);background:transparent;cursor:pointer;
}
.menu-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--c-ink);transition:transform .25s ease,opacity .25s ease;}
.menu-toggle:focus-visible{outline:3px solid rgba(192,118,74,.35);outline-offset:2px;}

/* ---------- 移动端抽屉 ---------- */
.mobile-drawer{
  position:fixed;inset:0;z-index:1100;
  display:flex;flex-direction:column;
  padding:96px 24px 32px;background:var(--c-bg);
  transform:translateY(-100%);opacity:0;visibility:hidden;
  transition:transform .34s ease,opacity .34s ease,visibility .34s ease;
}
.mobile-drawer.is-open{transform:translateY(0);opacity:1;visibility:visible;}
.drawer-nav{display:flex;flex-direction:column;gap:2px;}
.drawer-nav a{
  padding:16px 4px;font-size:18px;font-weight:600;color:var(--c-ink);
  border-bottom:1px solid var(--c-border);
}
.drawer-nav a:hover{color:var(--c-accent-dark);}
.drawer-cta{margin-top:auto;width:100%;padding:16px;font-size:16px;}

/* ---------- 文章头部 ---------- */
.article-hero{
  position:relative;overflow:hidden;
  padding:56px 0 52px;
  background-image:url('/assets/images/backpic/back-3.webp');
  background-size:cover;background-position:center;
  border-bottom:1px solid var(--c-border);
}
.article-hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(102deg,rgba(250,248,245,.97) 0%,rgba(250,248,245,.93) 48%,rgba(250,248,245,.74) 100%);
}
.article-hero .container-x{position:relative;z-index:1;}
.breadcrumb-x{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13.5px;color:var(--c-text-3);margin-bottom:22px;
}
.breadcrumb-x a{color:var(--c-text-2);}
.breadcrumb-x a:hover{color:var(--c-accent-dark);}
.breadcrumb-x .sep{color:#C8C2B9;}
.breadcrumb-x .current{
  color:var(--c-text-2);max-width:440px;overflow:hidden;
  text-overflow:ellipsis;white-space:nowrap;
}
.tag-x{
  display:inline-flex;align-items:center;
  padding:5px 14px;border-radius:var(--r-pill);
  background:var(--c-accent-soft);color:var(--c-accent-dark);
  font-size:13px;font-weight:600;letter-spacing:.02em;
}
.article-hero h1{
  font-size:38px;line-height:1.32;font-weight:700;letter-spacing:-.01em;
  color:var(--c-ink);margin:18px 0 22px;max-width:920px;
}
.meta-row{display:flex;flex-wrap:wrap;align-items:center;gap:12px 24px;font-size:14px;color:var(--c-text-3);}
.meta-row .meta-item{display:inline-flex;align-items:center;gap:7px;}
.meta-row .dot{width:4px;height:4px;border-radius:50%;background:#CFC9C0;}

/* ---------- 正文 ---------- */
.article-main{padding:68px 0 96px;}
.article-body{
  max-width:780px;margin:0 auto;
  font-size:17px;line-height:1.92;color:var(--c-text);
  word-wrap:break-word;overflow-wrap:break-word;
}
.article-body > *:first-child{margin-top:0;}
.article-body h2{
  font-size:26px;line-height:1.42;font-weight:700;color:var(--c-ink);
  letter-spacing:-.01em;margin:52px 0 16px;padding-left:16px;position:relative;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:9px;width:4px;height:20px;
  border-radius:2px;background:var(--c-accent);
}
.article-body h3{font-size:20px;line-height:1.5;font-weight:700;color:var(--c-ink);margin:34px 0 12px;}
.article-body h4{font-size:17.5px;font-weight:700;color:var(--c-ink);margin:26px 0 10px;}
.article-body p{margin:0 0 20px;}
.article-body ul,.article-body ol{margin:0 0 22px;padding-left:24px;}
.article-body li{margin-bottom:10px;}
.article-body ul li::marker{color:var(--c-accent);}
.article-body ol li::marker{color:var(--c-accent);font-weight:700;}
.article-body blockquote{
  margin:30px 0;padding:20px 26px;
  border-left:3px solid var(--c-accent);
  background:var(--c-bg-alt);
  border-radius:0 var(--r-md) var(--r-md) 0;
  color:var(--c-text-2);
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{border-radius:var(--r-lg);margin:30px 0;box-shadow:var(--sh-1);height:auto;}
.article-body a{color:var(--c-accent-dark);border-bottom:1px solid rgba(192,118,74,.38);}
.article-body a:hover{color:var(--c-ink);border-bottom-color:var(--c-ink);}
.article-body strong{color:var(--c-ink);font-weight:700;}
.article-body hr{border:0;border-top:1px solid var(--c-border);margin:44px 0;}
.article-body table{width:100%;border-collapse:collapse;margin:30px 0;font-size:15.5px;}
.article-body th,.article-body td{border:1px solid var(--c-border);padding:12px 16px;text-align:left;}
.article-body th{background:var(--c-bg-alt);font-weight:600;color:var(--c-ink);}
.article-body code{
  background:var(--c-bg-alt);padding:2px 7px;border-radius:4px;
  font-size:.92em;color:var(--c-accent-dark);
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
}
.article-body pre{
  background:var(--c-ink);color:#E8E4DE;padding:20px 22px;
  border-radius:var(--r-md);overflow-x:auto;margin:30px 0;font-size:14.5px;line-height:1.7;
}
.article-body pre code{background:transparent;color:inherit;padding:0;}

.article-foot{
  max-width:780px;margin:44px auto 0;padding-top:28px;
  border-top:1px solid var(--c-border);
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px;
}
.back-link{
  display:inline-flex;align-items:center;gap:8px;
  font-size:15px;font-weight:600;color:var(--c-accent-dark);
  border-bottom:1px solid transparent;
}
.back-link:hover{border-bottom-color:var(--c-accent-dark);}
.foot-note{font-size:13.5px;color:var(--c-text-3);}

.empty-state{
  max-width:780px;margin:0 auto;text-align:center;
  padding:76px 28px;background:var(--c-card);
  border:1px dashed var(--c-border);border-radius:var(--r-lg);
}
.empty-state .empty-mark{
  display:inline-flex;align-items:center;justify-content:center;
  width:56px;height:56px;border-radius:50%;
  background:var(--c-bg-alt);color:var(--c-accent);font-size:22px;font-weight:700;
  margin-bottom:18px;
}
.empty-state h2{font-size:21px;font-weight:700;color:var(--c-ink);margin-bottom:10px;}
.empty-state p{font-size:15px;color:var(--c-text-2);margin-bottom:26px;}

/* ---------- 继续了解 ---------- */
.related-section{padding:0 0 96px;background:var(--c-bg);}
.section-head{margin-bottom:34px;}
.section-head .eyebrow{
  display:inline-block;font-size:13px;font-weight:700;letter-spacing:.14em;
  color:var(--c-accent-dark);text-transform:uppercase;margin-bottom:10px;
}
.section-head h2{font-size:28px;font-weight:700;color:var(--c-ink);letter-spacing:-.01em;}
.related-card{
  display:flex;flex-direction:column;height:100%;
  background:var(--c-card);border:1px solid var(--c-border);
  border-radius:var(--r-md);overflow:hidden;box-shadow:var(--sh-1);
  transition:transform .28s ease,box-shadow .28s ease,border-color .28s ease;
}
.related-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#DAD3C9;}
.related-thumb{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--c-bg-alt);}
.related-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease;}
.related-card:hover .related-thumb img{transform:scale(1.05);}
.related-body{padding:22px 22px 26px;display:flex;flex-direction:column;gap:10px;flex:1;}
.related-body h3{font-size:18px;line-height:1.5;font-weight:700;color:var(--c-ink);}
.related-body p{font-size:14.5px;line-height:1.75;color:var(--c-text-2);}
.related-more{
  margin-top:auto;padding-top:8px;font-size:14px;font-weight:600;color:var(--c-accent-dark);
  display:inline-flex;align-items:center;gap:6px;
}
.related-card:hover .related-more{gap:10px;}

/* ---------- CTA 通栏 ---------- */
.cta-band{
  position:relative;overflow:hidden;
  background:var(--c-ink);color:#fff;
  padding:72px 0;
}
.cta-band::after{
  content:"";position:absolute;right:-140px;top:-120px;
  width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(192,118,74,.34) 0%,rgba(192,118,74,0) 68%);
}
.cta-inner{position:relative;z-index:1;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:32px;}
.cta-inner h2{font-size:29px;font-weight:700;letter-spacing:-.01em;margin-bottom:12px;}
.cta-inner p{font-size:15.5px;line-height:1.8;color:rgba(255,255,255,.72);max-width:620px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;}

/* ---------- 返回顶部 ---------- */
.to-top{
  position:fixed;right:28px;bottom:28px;z-index:900;
  width:46px;height:46px;border-radius:50%;
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--c-ink);color:#fff;border:0;cursor:pointer;
  box-shadow:var(--sh-2);
  opacity:0;visibility:hidden;transform:translateY(12px);
  transition:opacity .28s ease,transform .28s ease,visibility .28s ease,background-color .22s ease;
}
.to-top.is-visible{opacity:1;visibility:visible;transform:translateY(0);}
.to-top:hover{background:var(--c-accent);}
.to-top:focus-visible{outline:3px solid rgba(192,118,74,.45);outline-offset:2px;}

/* ---------- 页脚 ---------- */
.site-footer{background:#182124;color:rgba(255,255,255,.72);padding:72px 0 0;font-size:14.5px;}
.footer-grid{
  display:grid;grid-template-columns:1.7fr 1fr 1fr 1fr;gap:48px 36px;
  padding-bottom:52px;border-bottom:1px solid rgba(255,255,255,.10);
}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:18px;}
.footer-brand .brand-mark{background:var(--c-accent);color:#fff;}
.footer-brand span:last-child{font-size:17px;font-weight:700;color:#fff;letter-spacing:-.01em;}
.footer-desc{font-size:14px;line-height:1.85;color:rgba(255,255,255,.60);max-width:360px;}
.footer-col h4{font-size:15px;font-weight:700;color:#fff;margin-bottom:18px;letter-spacing:.01em;}
.footer-col a,.footer-col p{
  display:block;font-size:14px;line-height:1.9;
  color:rgba(255,255,255,.60);margin-bottom:9px;
}
.footer-col a:hover{color:var(--c-accent);}
.footer-bottom{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;
  padding:24px 0 30px;font-size:13px;color:rgba(255,255,255,.42);
}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  .container-x{padding:0 20px;}
  .nav-links a{padding:9px 11px;font-size:14.5px;}
  .article-hero h1{font-size:34px;}
}
@media (max-width:991.98px){
  .nav-links{display:none;}
  .menu-toggle{display:inline-flex;}
  .header-cta{display:none;}
  .article-hero{padding:48px 0 44px;}
  .article-hero h1{font-size:30px;}
  .article-main{padding:52px 0 72px;}
  .cta-inner h2{font-size:25px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:40px 28px;}
  .footer-desc{max-width:100%;}
}
@media (max-width:767.98px){
  body{font-size:16px;}
  .header-inner{height:66px;}
  .brand-name{font-size:16px;}
  .article-hero h1{font-size:25px;line-height:1.4;}
  .article-body{font-size:16px;line-height:1.88;}
  .article-body h2{font-size:21px;margin-top:40px;}
  .article-body h3{font-size:18px;}
  .article-body blockquote{padding:16px 18px;}
  .article-body table{font-size:14px;}
  .article-body th,.article-body td{padding:10px 12px;}
  .section-head h2{font-size:23px;}
  .cta-band{padding:56px 0;}
  .cta-inner h2{font-size:22px;}
  .cta-actions{width:100%;}
  .cta-actions .btn-x{flex:1 1 100%;}
  .to-top{right:16px;bottom:16px;width:42px;height:42px;}
  .breadcrumb-x .current{max-width:200px;}
}
@media (max-width:575.98px){
  .container-x{padding:0 16px;}
  .article-hero h1{font-size:22px;}
  .related-body{padding:18px 18px 22px;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;transition-duration:.001ms !important;scroll-behavior:auto !important;}
}

/* roulang page: category1 */
:root{
  --ink:#1F2A2E;
  --ink-soft:#2C3A3F;
  --ink-hover:#16201F;
  --accent:#C0863F;
  --accent-soft:#E4C79B;
  --accent-deep:#A06B27;
  --bg:#FAF8F5;
  --bg-alt:#F1EEEA;
  --line:#E2DDD6;
  --line-strong:#D2CBC1;
  --text:#2A3134;
  --text-mid:#5C666B;
  --text-weak:#8A9297;
  --white:#FFFFFF;
  --radius-btn:6px;
  --radius-card:12px;
  --radius-img:16px;
  --radius-pill:999px;
  --shadow-1:0 2px 8px rgba(31,42,46,.06);
  --shadow-2:0 8px 24px rgba(31,42,46,.10);
  --shadow-3:0 16px 44px rgba(31,42,46,.16);
  --space-block:108px;
  --font:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --mono:"SFMono-Regular",Consolas,"Liberation Mono",Menlo,monospace;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--font);
  font-size:16.5px;
  line-height:1.85;
  letter-spacing:.005em;
  overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto;}
a{color:var(--ink);text-decoration:none;transition:color .25s ease,background-size .3s ease;}
a:hover{color:var(--accent-deep);}
button{font-family:inherit;}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:700;letter-spacing:-.01em;line-height:1.3;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
::selection{background:var(--accent-soft);color:var(--ink);}

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

/* ---------- 通用按钮 ---------- */
.btn-x{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:14px 28px;
  border-radius:var(--radius-btn);
  font-size:15.5px;
  font-weight:600;
  line-height:1;
  border:1px solid transparent;
  cursor:pointer;
  transition:background-color .25s ease,color .25s ease,border-color .25s ease,transform .18s ease,box-shadow .25s ease;
}
.btn-x:active{transform:translateY(1px);}
.btn-x:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(192,134,63,.38);}
.btn-primary-x{background:var(--accent);color:#fff;box-shadow:0 2px 8px rgba(160,107,39,.20);}
.btn-primary-x:hover{background:var(--accent-deep);color:#fff;transform:translateY(-1px);box-shadow:var(--shadow-2);}
.btn-dark-x{background:var(--ink);color:#fff;}
.btn-dark-x:hover{background:var(--ink-hover);color:#fff;transform:translateY(-1px);box-shadow:var(--shadow-2);}
.btn-ghost-x{background:transparent;color:var(--ink);border-color:var(--line-strong);}
.btn-ghost-x:hover{background:var(--bg-alt);color:var(--ink);border-color:var(--ink-soft);transform:translateY(-1px);}
.btn-light-x{background:#fff;color:var(--ink);}
.btn-light-x:hover{background:var(--accent-soft);color:var(--ink);transform:translateY(-1px);}

.link-underline{
  display:inline-block;
  color:var(--accent-deep);
  font-weight:600;
  background-image:linear-gradient(var(--accent),var(--accent));
  background-repeat:no-repeat;
  background-size:0% 1.5px;
  background-position:0 100%;
  padding-bottom:2px;
}
.link-underline:hover{background-size:100% 1.5px;color:var(--accent-deep);}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:1000;
  background:rgba(250,248,245,.94);
  backdrop-filter:saturate(150%) blur(10px);
  border-bottom:1px solid var(--line);
}
.header-inner{
  display:flex;
  align-items:center;
  gap:28px;
  height:76px;
}
.brand{
  display:flex;
  align-items:center;
  gap:10px;
  flex:0 0 auto;
  color:var(--ink);
  font-weight:700;
  font-size:17.5px;
  letter-spacing:-.01em;
}
.brand:hover{color:var(--ink);}
.brand-mark{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:38px;height:38px;
  border-radius:10px;
  background:var(--ink);
  color:#fff;
  font-size:14px;
  font-weight:700;
  letter-spacing:.04em;
  flex:0 0 auto;
}
.brand-mark::after{content:"";position:absolute;}
.nav-links{
  display:flex;
  align-items:center;
  gap:6px;
  margin-left:auto;
}
.nav-links a{
  position:relative;
  display:inline-flex;
  align-items:center;
  padding:9px 14px;
  border-radius:var(--radius-btn);
  font-size:15.5px;
  font-weight:500;
  color:var(--text-mid);
  white-space:nowrap;
  transition:color .22s ease,background-color .22s ease;
}
.nav-links a:hover{color:var(--ink);background:var(--bg-alt);}
.nav-links a.active{color:var(--ink);font-weight:600;}
.nav-links a.active::after{
  content:"";
  position:absolute;
  left:14px;right:14px;bottom:2px;
  height:2px;
  border-radius:2px;
  background:var(--accent);
}
.header-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.header-actions .btn-x{padding:12px 22px;font-size:15px;}
.menu-toggle{
  display:none;
  width:42px;height:42px;
  border:1px solid var(--line-strong);
  border-radius:var(--radius-btn);
  background:#fff;
  color:var(--ink);
  font-size:17px;
  align-items:center;
  justify-content:center;
  cursor:pointer;
}
.menu-toggle:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(192,134,63,.38);}

/* ---------- 面包屑 ---------- */
.crumb-bar{
  background:var(--bg-alt);
  border-bottom:1px solid var(--line);
}
.crumb{
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:8px;
  padding:14px 0;
  font-size:13.5px;
  color:var(--text-weak);
}
.crumb a{color:var(--text-mid);}
.crumb a:hover{color:var(--accent-deep);}
.crumb i{font-size:10px;color:var(--line-strong);}
.crumb .current{color:var(--ink);font-weight:600;}

/* ---------- 分类 Hero ---------- */
.cat-hero{
  position:relative;
  overflow:hidden;
  background:var(--ink);
  color:#fff;
  padding:88px 0 76px;
  isolation:isolate;
}
.cat-hero::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:url("/assets/images/backpic/back-1.webp");
  background-size:cover;
  background-position:center;
  opacity:.34;
  z-index:-2;
}
.cat-hero::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(105deg,rgba(31,42,46,.94) 0%,rgba(31,42,46,.78) 52%,rgba(31,42,46,.52) 100%);
  z-index:-1;
}
.cat-hero .eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:6px 16px;
  border-radius:var(--radius-pill);
  background:rgba(192,134,63,.18);
  border:1px solid rgba(228,199,155,.42);
  color:var(--accent-soft);
  font-size:13.5px;
  font-weight:600;
  letter-spacing:.04em;
  margin-bottom:24px;
}
.cat-hero h1{
  color:#fff;
  font-size:clamp(30px,4.4vw,52px);
  line-height:1.22;
  max-width:940px;
  margin-bottom:20px;
}
.cat-hero h1 .hl{
  color:var(--accent-soft);
  position:relative;
  white-space:nowrap;
}
.cat-hero .lead{
  max-width:700px;
  color:rgba(255,255,255,.80);
  font-size:17px;
  line-height:1.85;
  margin-bottom:34px;
}
.cat-hero-actions{display:flex;flex-wrap:wrap;gap:14px;align-items:center;}
.cat-hero .btn-ghost-x{color:#fff;border-color:rgba(255,255,255,.42);}
.cat-hero .btn-ghost-x:hover{background:rgba(255,255,255,.12);color:#fff;border-color:#fff;}

.hero-facts{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:0;
  margin-top:52px;
  border-top:1px solid rgba(255,255,255,.16);
  padding-top:26px;
}
.hero-fact{padding-right:24px;}
.hero-fact + .hero-fact{border-left:1px solid rgba(255,255,255,.16);padding-left:26px;}
.hero-fact .num{
  font-family:var(--mono);
  font-size:26px;
  font-weight:700;
  color:#fff;
  letter-spacing:.01em;
}
.hero-fact .num span{font-size:14px;font-weight:600;color:var(--accent-soft);margin-left:2px;}
.hero-fact .cap{font-size:13.5px;color:rgba(255,255,255,.66);line-height:1.7;margin-top:4px;}

/* ---------- 区块通用 ---------- */
.section{padding:var(--space-block) 0;}
.section-alt{background:var(--bg-alt);}
.section-head{max-width:760px;margin-bottom:52px;}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.section-tag{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  font-weight:700;
  letter-spacing:.14em;
  color:var(--accent-deep);
  text-transform:uppercase;
  margin-bottom:14px;
}
.section-tag::before{
  content:"";
  width:26px;height:2px;
  background:var(--accent);
  border-radius:2px;
}
.section-head.center .section-tag::before{display:none;}
.section-head h2{
  font-size:clamp(24px,3.1vw,35px);
  line-height:1.32;
  margin-bottom:16px;
}
.section-head p{
  color:var(--text-mid);
  font-size:16.5px;
  line-height:1.85;
}

/* ---------- 编号阶梯 ---------- */
.step-ladder{
  position:relative;
  border-top:1px solid var(--line);
}
.step-item{
  display:grid;
  grid-template-columns:112px 1fr;
  gap:32px;
  padding:38px 0;
  border-bottom:1px solid var(--line);
  transition:background-color .3s ease,padding-left .3s ease;
}
.step-item:hover{background:rgba(241,238,234,.62);padding-left:14px;}
.step-num{
  font-family:var(--mono);
  font-size:40px;
  font-weight:700;
  line-height:1;
  color:var(--line-strong);
  letter-spacing:-.02em;
  transition:color .3s ease;
}
.step-item:hover .step-num{color:var(--accent);}
.step-body h3{
  font-size:21px;
  margin-bottom:10px;
  display:flex;
  align-items:center;
  gap:10px;
  flex-wrap:wrap;
}
.step-body h3 .mini{
  font-size:12px;
  font-weight:600;
  letter-spacing:.06em;
  color:var(--accent-deep);
  background:rgba(192,134,63,.13);
  border-radius:var(--radius-pill);
  padding:3px 11px;
}
.step-body p{color:var(--text-mid);font-size:16px;margin-bottom:12px;}
.step-body p:last-child{margin-bottom:0;}
.step-points{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:10px 26px;
  margin-top:16px;
}
.step-points li{
  position:relative;
  padding-left:22px;
  font-size:15px;
  color:var(--text-mid);
  line-height:1.75;
}
.step-points li::before{
  content:"";
  position:absolute;
  left:0;top:11px;
  width:8px;height:8px;
  border-radius:2px;
  background:var(--accent-soft);
  border:1px solid var(--accent);
}

/* ---------- 图文交错 ---------- */
.split-block{
  display:grid;
  grid-template-columns:1.05fr .95fr;
  gap:56px;
  align-items:center;
}
.split-block.reverse .split-media{order:2;}
.split-media{
  position:relative;
  border-radius:var(--radius-img);
  overflow:hidden;
  box-shadow:var(--shadow-2);
  aspect-ratio:16/11;
  background:var(--bg-alt);
}
.split-media img{
  width:100%;height:100%;
  object-fit:cover;
  transition:transform .6s cubic-bezier(.22,.61,.36,1);
}
.split-block:hover .split-media img{transform:scale(1.04);}
.split-media .float-tag{
  position:absolute;
  left:18px;bottom:18px;
  background:rgba(250,248,245,.94);
  color:var(--ink);
  border-radius:var(--radius-pill);
  padding:8px 16px;
  font-size:13px;
  font-weight:600;
  box-shadow:var(--shadow-1);
}
.split-text h3{
  font-size:26px;
  line-height:1.36;
  margin-bottom:16px;
}
.split-text p{color:var(--text-mid);margin-bottom:14px;}
.split-list{margin-top:22px;border-top:1px solid var(--line);}
.split-list li{
  display:flex;
  gap:14px;
  padding:14px 0;
  border-bottom:1px solid var(--line);
  font-size:15.5px;
  color:var(--text-mid);
}
.split-list li i{
  color:var(--accent);
  font-size:15px;
  margin-top:5px;
  flex:0 0 auto;
}
.split-list li strong{color:var(--ink);font-weight:600;}

.split-row + .split-row{margin-top:96px;}
.section-alt .split-block.reverse .split-media{order:0;}

/* ---------- 自查清单表 ---------- */
.check-panel{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  box-shadow:var(--shadow-1);
  overflow:hidden;
}
.check-panel-head{
  padding:26px 30px;
  border-bottom:1px solid var(--line);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  background:linear-gradient(180deg,#fff,rgba(241,238,234,.55));
}
.check-panel-head h3{font-size:20px;}
.check-panel-head span{font-size:13.5px;color:var(--text-weak);}
.check-table{width:100%;border-collapse:collapse;}
.check-table tr{border-bottom:1px solid var(--line);}
.check-table tr:last-child{border-bottom:none;}
.check-table th,.check-table td{
  text-align:left;
  padding:18px 30px;
  font-size:15px;
  vertical-align:top;
}
.check-table th{
  width:220px;
  color:var(--ink);
  font-weight:600;
  background:rgba(241,238,234,.4);
}
.check-table td{color:var(--text-mid);line-height:1.8;}
.check-table td .ok{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:12.5px;
  font-weight:600;
  color:var(--accent-deep);
  background:rgba(192,134,63,.13);
  border-radius:var(--radius-pill);
  padding:3px 11px;
  margin-left:8px;
}

/* ---------- 提示条 ---------- */
.notice-strip{
  margin-top:48px;
  display:flex;
  gap:18px;
  align-items:flex-start;
  background:#fff;
  border:1px solid var(--line);
  border-left:3px solid var(--accent);
  border-radius:var(--radius-card);
  padding:24px 28px;
  box-shadow:var(--shadow-1);
}
.notice-strip i{color:var(--accent);font-size:20px;margin-top:4px;}
.notice-strip h4{font-size:17px;margin-bottom:6px;}
.notice-strip p{font-size:15px;color:var(--text-mid);}

/* ---------- FAQ ---------- */
.faq-list{max-width:900px;margin:0 auto;}
.faq-item{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  margin-bottom:14px;
  overflow:hidden;
  transition:box-shadow .3s ease,border-color .3s ease;
}
.faq-item:hover{box-shadow:var(--shadow-1);border-color:var(--line-strong);}
.faq-item[open]{box-shadow:var(--shadow-2);border-color:var(--accent-soft);}
.faq-item summary{
  list-style:none;
  cursor:pointer;
  padding:22px 26px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  font-size:17px;
  font-weight:600;
  color:var(--ink);
  line-height:1.6;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(192,134,63,.32);border-radius:var(--radius-card);}
.faq-item summary .faq-icon{
  flex:0 0 auto;
  width:28px;height:28px;
  border-radius:50%;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  background:var(--bg-alt);
  color:var(--ink-soft);
  font-size:12px;
  transition:transform .3s ease,background-color .3s ease,color .3s ease;
}
.faq-item[open] summary .faq-icon{transform:rotate(180deg);background:var(--accent);color:#fff;}
.faq-answer{
  padding:0 26px 24px;
  color:var(--text-mid);
  font-size:15.5px;
  line-height:1.85;
}
.faq-answer p + p{margin-top:10px;}

/* ---------- CTA 通栏 ---------- */
.cta-band{
  background:var(--ink);
  color:#fff;
  padding:80px 0;
  position:relative;
  overflow:hidden;
}
.cta-band::before{
  content:"";
  position:absolute;
  right:-120px;top:-120px;
  width:420px;height:420px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(192,134,63,.28),transparent 68%);
}
.cta-inner{
  position:relative;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:40px;
  flex-wrap:wrap;
}
.cta-inner h2{
  color:#fff;
  font-size:clamp(23px,2.9vw,32px);
  line-height:1.36;
  max-width:640px;
  margin-bottom:12px;
}
.cta-inner p{color:rgba(255,255,255,.74);font-size:16px;max-width:640px;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;}
.cta-band .btn-ghost-x{color:#fff;border-color:rgba(255,255,255,.42);}
.cta-band .btn-ghost-x:hover{background:rgba(255,255,255,.12);color:#fff;border-color:#fff;}

/* ---------- 浮动 CTA ---------- */
.float-cta{
  position:fixed;
  right:28px;
  bottom:28px;
  z-index:900;
  display:inline-flex;
  align-items:center;
  gap:10px;
  padding:14px 24px;
  border-radius:var(--radius-pill);
  background:var(--accent);
  color:#fff;
  font-size:15px;
  font-weight:600;
  box-shadow:var(--shadow-3);
  opacity:0;
  transform:translateY(16px);
  pointer-events:none;
  transition:opacity .4s ease,transform .4s ease,background-color .25s ease;
}
.float-cta.show{opacity:1;transform:translateY(0);pointer-events:auto;}
.float-cta:hover{background:var(--accent-deep);color:#fff;transform:translateY(-2px);}

/* ---------- 页脚 ---------- */
.site-footer{
  background:#16201F;
  color:rgba(255,255,255,.72);
  padding:72px 0 30px;
  font-size:14.5px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1fr;
  gap:44px;
  padding-bottom:44px;
  border-bottom:1px solid rgba(255,255,255,.12);
}
.footer-brand{
  display:flex;
  align-items:center;
  gap:10px;
  color:#fff;
  font-size:17px;
  font-weight:700;
  margin-bottom:16px;
}
.footer-brand .brand-mark{background:var(--accent);color:#fff;}
.footer-desc{color:rgba(255,255,255,.62);line-height:1.85;max-width:380px;}
.footer-col h4{
  color:#fff;
  font-size:15px;
  margin-bottom:16px;
  letter-spacing:.02em;
}
.footer-col a,.footer-col p{
  display:block;
  color:rgba(255,255,255,.66);
  font-size:14px;
  line-height:1.7;
  margin-bottom:10px;
}
.footer-col a:hover{color:var(--accent-soft);}
.footer-bottom{
  display:flex;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  padding-top:24px;
  color:rgba(255,255,255,.5);
  font-size:13.5px;
}

/* ---------- 入场动效 ---------- */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .5s ease,transform .5s ease;}
.reveal.visible{opacity:1;transform:none;}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none;}
  html{scroll-behavior:auto;}
  .split-media img{transition:none;}
}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  :root{--space-block:92px;}
  .header-inner{gap:18px;}
  .nav-links a{padding:9px 11px;font-size:15px;}
}
@media (max-width:991px){
  :root{--space-block:78px;}
  .nav-links{display:none;}
  .header-actions .btn-x{display:none;}
  .menu-toggle{display:inline-flex;}
  .site-header.menu-open .nav-links{
    display:flex;
    flex-direction:column;
    align-items:stretch;
    gap:4px;
    position:fixed;
    left:0;right:0;top:76px;bottom:0;
    background:var(--bg);
    padding:22px 24px 120px;
    overflow-y:auto;
    margin-left:0;
    border-top:1px solid var(--line);
  }
  .site-header.menu-open .nav-links a{
    padding:16px 4px;
    font-size:17px;
    border-bottom:1px solid var(--line);
    border-radius:0;
  }
  .site-header.menu-open .nav-links a.active::after{left:4px;right:auto;width:26px;bottom:8px;}
  .site-header.menu-open .header-actions{
    position:fixed;
    left:0;right:0;bottom:0;
    padding:16px 24px 22px;
    background:var(--bg);
    border-top:1px solid var(--line);
    z-index:2;
  }
  .site-header.menu-open .header-actions .btn-x{display:inline-flex;width:100%;padding:15px 22px;}
  .split-block{grid-template-columns:1fr;gap:34px;}
  .split-block.reverse .split-media{order:0;}
  .split-row + .split-row{margin-top:66px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px;}
}
@media (max-width:767px){
  :root{--space-block:62px;}
  body{font-size:16px;line-height:1.8;}
  .container-x{padding:0 20px;}
  .header-inner{height:66px;}
  .site-header.menu-open .nav-links{top:66px;}
  .brand{font-size:16px;}
  .brand-mark{width:34px;height:34px;font-size:12.5px;}
  .cat-hero{padding:62px 0 54px;}
  .cat-hero .lead{font-size:16px;}
  .cat-hero-actions .btn-x{width:100%;}
  .hero-facts{grid-template-columns:1fr;gap:18px;padding-top:22px;margin-top:38px;}
  .hero-fact{padding-right:0;}
  .hero-fact + .hero-fact{border-left:none;padding-left:0;border-top:1px solid rgba(255,255,255,.16);padding-top:16px;}
  .step-item{grid-template-columns:1fr;gap:12px;padding:28px 0;}
  .step-item:hover{padding-left:0;background:transparent;}
  .step-num{font-size:30px;}
  .step-points{grid-template-columns:1fr;}
  .step-body h3{font-size:19px;}
  .split-text h3{font-size:22px;}
  .check-table th,.check-table td{padding:14px 18px;display:block;width:100%;}
  .check-table th{background:rgba(241,238,234,.7);border-bottom:1px solid var(--line);}
  .check-panel-head{padding:20px;}
  .notice-strip{padding:20px;gap:14px;flex-direction:column;}
  .faq-item summary{padding:18px 20px;font-size:16px;}
  .faq-answer{padding:0 20px 20px;}
  .cta-band{padding:58px 0;}
  .cta-actions .btn-x{width:100%;}
  .float-cta{
    left:16px;right:16px;bottom:16px;
    justify-content:center;
    border-radius:var(--radius-btn);
    padding:15px 20px;
  }
  .footer-grid{grid-template-columns:1fr;gap:30px;padding-bottom:32px;}
  .footer-bottom{flex-direction:column;gap:8px;}
}
@media (max-width:520px){
  .cat-hero h1{font-size:27px;}
  .section-head h2{font-size:23px;}
  .section-head{margin-bottom:36px;}
  .step-num{font-size:26px;}
  .btn-x{padding:13px 22px;font-size:15px;}
}

/* roulang page: category3 */
:root{
  --ink:#1F2A2E;
  --ink-soft:#2C3A3F;
  --ink-deep:#151D20;
  --gold:#C08A4A;
  --gold-dark:#A87537;
  --gold-soft:#F3E7D6;
  --bg:#FAF8F5;
  --bg-alt:#F1EEEA;
  --text:#2B3033;
  --text-mid:#5C666B;
  --text-soft:#8A9296;
  --border:#E4DFD8;
  --white:#FFFFFF;
  --radius-btn:6px;
  --radius-card:12px;
  --radius-lg:16px;
  --radius-pill:999px;
  --shadow-sm:0 2px 8px rgba(31,42,46,.06);
  --shadow-md:0 8px 24px rgba(31,42,46,.10);
  --shadow-lg:0 18px 44px rgba(31,42,46,.16);
  --space-section:104px;
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16.5px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;}
a{color:inherit;text-decoration:none;transition:color .25s ease,background .25s ease,border-color .25s ease;}
a:focus-visible,button:focus-visible,summary:focus-visible,input:focus-visible{
  outline:3px solid rgba(192,138,74,.42);
  outline-offset:2px;
  border-radius:4px;
}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:-0.01em;color:var(--ink);}
p{margin:0 0 16px;}
p:last-child{margin-bottom:0;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}

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

/* ---------- 按钮 ---------- */
.btn-base{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  font-size:15px;
  font-weight:600;
  padding:13px 26px;
  border-radius:var(--radius-btn);
  border:1px solid transparent;
  cursor:pointer;
  transition:transform .2s ease,box-shadow .25s ease,background .25s ease,color .25s ease,border-color .25s ease;
  white-space:nowrap;
}
.btn-solid{
  background:var(--gold);
  color:#fff;
  box-shadow:0 2px 8px rgba(192,138,74,.24);
}
.btn-solid:hover{
  background:var(--gold-dark);
  color:#fff;
  transform:translateY(-1px);
  box-shadow:0 10px 22px rgba(192,138,74,.30);
}
.btn-solid:active{transform:translateY(0);}
.btn-dark{
  background:var(--ink);
  color:#fff;
}
.btn-dark:hover{
  background:var(--ink-deep);
  color:#fff;
  transform:translateY(-1px);
  box-shadow:var(--shadow-md);
}
.btn-ghost{
  background:transparent;
  color:var(--ink);
  border:1px solid var(--border);
}
.btn-ghost:hover{
  background:var(--bg-alt);
  border-color:var(--ink);
  color:var(--ink);
}
.btn-onDark{
  background:transparent;
  border:1px solid rgba(255,255,255,.42);
  color:#fff;
}
.btn-onDark:hover{
  background:#fff;
  color:var(--ink);
  border-color:#fff;
}
.link-underline{
  color:var(--gold-dark);
  font-weight:600;
  background-image:linear-gradient(var(--gold-dark),var(--gold-dark));
  background-repeat:no-repeat;
  background-size:0 1px;
  background-position:0 100%;
  transition:background-size .3s ease;
  padding-bottom:2px;
}
.link-underline:hover{background-size:100% 1px;}

/* ---------- Header ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:1030;
  background:rgba(250,248,245,.94);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--border);
}
.header-inner{
  display:flex;
  align-items:center;
  gap:28px;
  min-height:72px;
}
.brand{
  display:flex;
  align-items:center;
  gap:10px;
  flex-shrink:0;
}
.brand-mark{
  width:38px;height:38px;
  border-radius:10px;
  background:var(--ink);
  color:#fff;
  font-size:14px;
  font-weight:700;
  letter-spacing:.04em;
  display:flex;align-items:center;justify-content:center;
}
.brand-text{
  font-size:17px;
  font-weight:700;
  color:var(--ink);
  letter-spacing:-.01em;
}
.nav-links{
  display:flex;
  align-items:center;
  gap:6px;
  margin-left:auto;
}
.nav-links a{
  position:relative;
  padding:9px 14px;
  border-radius:var(--radius-pill);
  font-size:15px;
  color:var(--text-mid);
  font-weight:500;
  transition:color .22s ease,background .22s ease;
}
.nav-links a:hover{
  color:var(--ink);
  background:var(--bg-alt);
}
.nav-links a.active{
  color:var(--ink);
  font-weight:700;
  background:var(--gold-soft);
}
.nav-links a.active::after{
  content:"";
  position:absolute;
  left:50%;
  bottom:1px;
  width:16px;height:2px;
  transform:translateX(-50%);
  background:var(--gold);
  border-radius:2px;
}
.header-cta{
  padding:11px 22px;
  font-size:14.5px;
  flex-shrink:0;
}
.nav-toggle{
  display:none;
  margin-left:auto;
  width:42px;height:42px;
  border-radius:10px;
  border:1px solid var(--border);
  background:#fff;
  color:var(--ink);
  font-size:17px;
  align-items:center;
  justify-content:center;
  cursor:pointer;
}

/* ---------- Hero ---------- */
.page-hero{
  position:relative;
  background-color:var(--ink);
  background-image:linear-gradient(105deg,rgba(21,29,32,.94) 0%,rgba(31,42,46,.86) 48%,rgba(31,42,46,.62) 100%),url('/assets/images/backpic/back-2.png');
  background-size:cover;
  background-position:center;
  color:#fff;
  padding:88px 0 76px;
  overflow:hidden;
}
.page-hero::after{
  content:"";
  position:absolute;
  right:-120px;bottom:-160px;
  width:420px;height:420px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(192,138,74,.30),rgba(192,138,74,0) 68%);
}
.crumbs{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-size:13.5px;
  color:rgba(255,255,255,.62);
  margin-bottom:22px;
}
.crumbs a:hover{color:#fff;}
.crumbs .sep{opacity:.5;}
.page-hero h1{
  color:#fff;
  font-size:clamp(30px,4vw,50px);
  line-height:1.24;
  max-width:820px;
  margin-bottom:18px;
}
.page-hero .lead{
  font-size:17px;
  line-height:1.85;
  color:rgba(255,255,255,.82);
  max-width:700px;
  margin-bottom:28px;
}
.hero-tags{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
}
.tag{
  display:inline-flex;
  align-items:center;
  gap:7px;
  padding:7px 15px;
  border-radius:var(--radius-pill);
  font-size:13.5px;
  font-weight:500;
  background:rgba(255,255,255,.10);
  border:1px solid rgba(255,255,255,.20);
  color:rgba(255,255,255,.92);
}
.tag i{color:var(--gold);font-size:12px;}
.tag-light{
  background:var(--gold-soft);
  border-color:#EBDDC6;
  color:var(--gold-dark);
}
.tag-light i{color:var(--gold-dark);}

/* ---------- 双栏布局 ---------- */
.layout-grid{
  display:grid;
  grid-template-columns:minmax(0,1fr) 328px;
  gap:56px;
  align-items:start;
}
.content-wrap{
  padding:var(--space-section) 0;
}
.main-col > section + section{
  margin-top:64px;
  padding-top:56px;
  border-top:1px solid var(--border);
}
.block-head{
  margin-bottom:28px;
}
.block-kicker{
  display:inline-block;
  font-size:13px;
  font-weight:700;
  letter-spacing:.14em;
  color:var(--gold-dark);
  margin-bottom:10px;
}
.block-head h2{
  font-size:clamp(24px,2.6vw,32px);
  line-height:1.3;
  margin-bottom:12px;
}
.block-head p{
  color:var(--text-mid);
  max-width:680px;
}

/* 编号纵向条目 */
.check-list{
  border-top:1px solid var(--border);
}
.check-item{
  display:grid;
  grid-template-columns:56px minmax(0,1fr);
  gap:20px;
  padding:24px 0;
  border-bottom:1px solid var(--border);
  transition:background .25s ease;
}
.check-item:hover{background:rgba(241,238,234,.55);}
.check-item .num{
  font-family:"SFMono-Regular",Consolas,"Liberation Mono",Menlo,monospace;
  font-size:15px;
  font-weight:700;
  color:var(--gold);
  padding-top:3px;
}
.check-item h3{
  font-size:19px;
  margin-bottom:7px;
}
.check-item p{
  color:var(--text-mid);
  font-size:15.5px;
  margin:0;
}

/* 图文块 */
.figure-block{
  display:grid;
  grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);
  gap:34px;
  align-items:center;
  margin:32px 0 8px;
}
.figure-media{
  border-radius:var(--radius-lg);
  overflow:hidden;
  box-shadow:var(--shadow-md);
  aspect-ratio:16/10;
  background:var(--bg-alt);
}
.figure-media img{
  width:100%;
  height:100%;
  object-fit:cover;
  transition:transform .5s ease;
}
.figure-media:hover img{transform:scale(1.03);}
.figure-text h3{
  font-size:20px;
  margin-bottom:10px;
}
.figure-text ul li{
  position:relative;
  padding-left:20px;
  margin-bottom:10px;
  color:var(--text-mid);
  font-size:15.5px;
}
.figure-text ul li::before{
  content:"";
  position:absolute;
  left:0;top:12px;
  width:7px;height:7px;
  border-radius:50%;
  background:var(--gold);
}

/* 数据条 */
.stat-row{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:1px;
  background:var(--border);
  border:1px solid var(--border);
  border-radius:var(--radius-card);
  overflow:hidden;
  margin-top:30px;
}
.stat-cell{
  background:#fff;
  padding:24px 22px;
}
.stat-cell .num{
  font-family:"SFMono-Regular",Consolas,Menlo,monospace;
  font-size:30px;
  font-weight:700;
  color:var(--ink);
  line-height:1.2;
}
.stat-cell .num span{color:var(--gold);font-size:19px;margin-left:2px;}
.stat-cell .label{
  font-size:14px;
  color:var(--text-mid);
  margin-top:6px;
}

/* 时间线 */
.timeline{
  position:relative;
  padding-left:30px;
  margin-top:8px;
}
.timeline::before{
  content:"";
  position:absolute;
  left:7px;top:8px;bottom:8px;
  width:2px;
  background:linear-gradient(180deg,var(--gold),rgba(192,138,74,.18));
}
.timeline-item{
  position:relative;
  padding-bottom:30px;
}
.timeline-item:last-child{padding-bottom:0;}
.timeline-item::before{
  content:"";
  position:absolute;
  left:-30px;top:8px;
  width:16px;height:16px;
  border-radius:50%;
  background:#fff;
  border:3px solid var(--gold);
}
.timeline-item h3{
  font-size:18px;
  margin-bottom:8px;
}
.timeline-item p{
  color:var(--text-mid);
  font-size:15.5px;
  margin:0;
}
.timeline-item .step-note{
  display:inline-block;
  margin-top:10px;
  font-size:13px;
  color:var(--gold-dark);
  background:var(--gold-soft);
  padding:4px 12px;
  border-radius:var(--radius-pill);
}

/* 表格 */
.table-wrap{
  overflow-x:auto;
  border:1px solid var(--border);
  border-radius:var(--radius-card);
  background:#fff;
  margin-top:26px;
}
table.data-table{
  width:100%;
  border-collapse:collapse;
  min-width:620px;
  font-size:15px;
}
table.data-table th{
  background:var(--bg-alt);
  color:var(--ink);
  font-weight:700;
  text-align:left;
  padding:15px 18px;
  border-bottom:1px solid var(--border);
  font-size:14.5px;
  white-space:nowrap;
}
table.data-table td{
  padding:15px 18px;
  border-bottom:1px solid var(--border);
  color:var(--text-mid);
  vertical-align:top;
}
table.data-table tr:last-child td{border-bottom:none;}
table.data-table tbody tr:hover{background:rgba(241,238,234,.5);}
table.data-table td strong{color:var(--ink);}

/* 提示条 */
.notice{
  display:flex;
  gap:14px;
  padding:20px 22px;
  border-radius:var(--radius-card);
  background:var(--bg-alt);
  border-left:3px solid var(--gold);
  margin-top:28px;
}
.notice i{color:var(--gold);font-size:17px;padding-top:4px;}
.notice p{font-size:15px;color:var(--text-mid);margin:0;}

/* FAQ */
.faq-list{
  border-top:1px solid var(--border);
}
.faq-item{
  border-bottom:1px solid var(--border);
}
.faq-item summary{
  list-style:none;
  cursor:pointer;
  display:flex;
  align-items:flex-start;
  justify-content:space-between;
  gap:18px;
  padding:22px 4px;
  font-size:17px;
  font-weight:700;
  color:var(--ink);
  transition:color .22s ease;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{color:var(--gold-dark);}
.faq-item summary .chev{
  flex-shrink:0;
  width:28px;height:28px;
  border-radius:50%;
  background:var(--bg-alt);
  color:var(--ink);
  font-size:12px;
  display:flex;align-items:center;justify-content:center;
  transition:transform .3s ease,background .3s ease,color .3s ease;
  margin-top:2px;
}
.faq-item[open] summary .chev{
  transform:rotate(180deg);
  background:var(--gold);
  color:#fff;
}
.faq-body{
  padding:0 4px 24px;
  color:var(--text-mid);
  font-size:15.5px;
}

/* ---------- 侧栏 ---------- */
.side-col{
  position:sticky;
  top:96px;
  display:flex;
  flex-direction:column;
  gap:20px;
}
.side-card{
  background:#fff;
  border:1px solid var(--border);
  border-radius:var(--radius-card);
  padding:24px 22px;
  box-shadow:var(--shadow-sm);
}
.side-card h3{
  font-size:15px;
  letter-spacing:.04em;
  margin-bottom:16px;
  display:flex;
  align-items:center;
  gap:9px;
}
.side-card h3 i{color:var(--gold);font-size:14px;}
.toc-list li{margin-bottom:2px;}
.toc-list a{
  display:block;
  padding:9px 12px;
  border-radius:8px;
  font-size:14.5px;
  color:var(--text-mid);
  border-left:2px solid transparent;
  transition:all .22s ease;
}
.toc-list a:hover{
  background:var(--bg-alt);
  color:var(--ink);
  border-left-color:var(--gold);
}
.side-points li{
  display:flex;
  gap:10px;
  font-size:14.5px;
  color:var(--text-mid);
  padding:9px 0;
  border-bottom:1px dashed var(--border);
}
.side-points li:last-child{border-bottom:none;padding-bottom:0;}
.side-points i{color:var(--gold);font-size:12px;padding-top:7px;}
.side-cta{
  background:linear-gradient(160deg,var(--ink) 0%,var(--ink-soft) 100%);
  border:none;
  color:#fff;
  text-align:left;
}
.side-cta h3{color:#fff;}
.side-cta h3 i{color:var(--gold);}
.side-cta p{
  font-size:14px;
  color:rgba(255,255,255,.76);
  margin-bottom:18px;
}
.side-cta .btn-base{width:100%;}
.side-meta{
  font-size:13.5px;
  color:var(--text-soft);
  margin-top:14px;
  padding-top:14px;
  border-top:1px solid rgba(255,255,255,.14);
  line-height:1.7;
}

/* ---------- CTA 通栏 ---------- */
.cta-band{
  background:var(--ink);
  color:#fff;
  padding:78px 0;
  position:relative;
  overflow:hidden;
}
.cta-band::before{
  content:"";
  position:absolute;
  left:-80px;top:-90px;
  width:340px;height:340px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(192,138,74,.26),rgba(192,138,74,0) 70%);
}
.cta-inner{
  position:relative;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:40px;
  flex-wrap:wrap;
}
.cta-inner h2{
  color:#fff;
  font-size:clamp(23px,2.6vw,31px);
  margin-bottom:12px;
  max-width:620px;
}
.cta-inner p{
  color:rgba(255,255,255,.76);
  max-width:620px;
  margin:0;
  font-size:15.5px;
}
.cta-actions{
  display:flex;
  gap:12px;
  flex-wrap:wrap;
}

/* ---------- Footer ---------- */
.site-footer{
  background:var(--ink-deep);
  color:rgba(255,255,255,.72);
  padding:64px 0 28px;
  font-size:14.5px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1fr;
  gap:40px;
}
.footer-brand{
  display:flex;
  align-items:center;
  gap:10px;
  color:#fff;
  font-weight:700;
  font-size:16.5px;
  margin-bottom:16px;
}
.footer-brand .brand-mark{background:var(--gold);color:#fff;}
.footer-desc{
  color:rgba(255,255,255,.60);
  font-size:14px;
  line-height:1.85;
  margin:0;
  max-width:340px;
}
.footer-col h4{
  color:#fff;
  font-size:15px;
  margin-bottom:16px;
  letter-spacing:.02em;
}
.footer-col a{
  display:block;
  color:rgba(255,255,255,.66);
  font-size:14px;
  padding:6px 0;
  transition:color .22s ease,transform .22s ease;
}
.footer-col a:hover{
  color:var(--gold);
  transform:translateX(3px);
}
.footer-col p{
  color:rgba(255,255,255,.62);
  font-size:14px;
  margin:0 0 8px;
}
.footer-bottom{
  margin-top:48px;
  padding-top:22px;
  border-top:1px solid rgba(255,255,255,.12);
  display:flex;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  font-size:13px;
  color:rgba(255,255,255,.48);
}

/* ---------- 浮动 CTA ---------- */
.float-cta{
  position:fixed;
  right:26px;
  bottom:26px;
  z-index:1040;
  display:inline-flex;
  align-items:center;
  gap:9px;
  padding:13px 22px;
  border-radius:var(--radius-pill);
  background:var(--gold);
  color:#fff;
  font-size:14.5px;
  font-weight:600;
  box-shadow:0 12px 28px rgba(192,138,74,.36);
  transition:transform .25s ease,background .25s ease,box-shadow .25s ease;
}
.float-cta:hover{
  background:var(--gold-dark);
  color:#fff;
  transform:translateY(-2px);
  box-shadow:0 18px 36px rgba(192,138,74,.44);
}
.mobile-cta{display:none;}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .layout-grid{grid-template-columns:minmax(0,1fr) 300px;gap:40px;}
}
@media (max-width:991px){
  .header-inner{min-height:64px;gap:14px;}
  .nav-toggle{display:flex;}
  .header-cta{display:none;}
  .nav-links{
    position:fixed;
    inset:64px 0 0 0;
    background:var(--bg);
    flex-direction:column;
    align-items:stretch;
    gap:4px;
    padding:22px 20px 40px;
    margin:0;
    overflow-y:auto;
    transform:translateY(-12px);
    opacity:0;
    pointer-events:none;
    transition:opacity .28s ease,transform .28s ease;
    border-top:1px solid var(--border);
  }
  .nav-links.is-open{
    opacity:1;
    transform:translateY(0);
    pointer-events:auto;
  }
  .nav-links a{
    padding:15px 16px;
    font-size:16px;
    border-radius:10px;
  }
  .nav-links a.active::after{display:none;}
  .layout-grid{grid-template-columns:minmax(0,1fr);gap:44px;}
  .side-col{position:static;order:2;}
  .main-col{order:1;}
  :root{--space-section:72px;}
  .page-hero{padding:64px 0 56px;}
  .figure-block{grid-template-columns:minmax(0,1fr);gap:22px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px;}
}
@media (max-width:767px){
  body{font-size:16px;}
  .page-hero h1{font-size:29px;}
  .page-hero .lead{font-size:15.5px;}
  .stat-row{grid-template-columns:1fr;}
  .check-item{grid-template-columns:40px minmax(0,1fr);gap:14px;padding:20px 0;}
  .check-item h3{font-size:17.5px;}
  .cta-inner{flex-direction:column;align-items:flex-start;gap:26px;}
  .cta-actions{width:100%;}
  .cta-actions .btn-base{flex:1 1 100%;}
  .footer-grid{grid-template-columns:1fr;gap:30px;}
  .float-cta{display:none;}
  .mobile-cta{
    display:block;
    position:fixed;
    left:0;right:0;bottom:0;
    z-index:1040;
    background:rgba(250,248,245,.97);
    border-top:1px solid var(--border);
    padding:10px 16px calc(10px + env(safe-area-inset-bottom));
    box-shadow:0 -6px 20px rgba(31,42,46,.10);
  }
  .mobile-cta a{
    display:flex;
    align-items:center;
    justify-content:center;
    gap:8px;
    width:100%;
    padding:13px 20px;
    border-radius:var(--radius-btn);
    background:var(--gold);
    color:#fff;
    font-weight:600;
    font-size:15.5px;
  }
  .site-footer{padding-bottom:96px;}
  .content-wrap{padding-bottom:88px;}
}
@media (max-width:519px){
  .container-x{padding:0 16px;}
  .page-hero h1{font-size:25px;}
  .block-head h2{font-size:22px;}
  .brand-text{font-size:15.5px;}
  .side-card{padding:20px 18px;}
  .stat-cell{padding:20px 18px;}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;scroll-behavior:auto !important;}
}

/* roulang page: category2 */
:root{
  --ink:#1F2A2E;
  --ink-2:#33423F;
  --ink-3:#4A5A57;
  --accent:#C0703C;
  --accent-dark:#A85D2E;
  --accent-tint:#F6EDE5;
  --bg:#FAF8F5;
  --bg-alt:#F1EEEA;
  --text:#2B2F31;
  --muted:#6B7275;
  --line:#E4DFD8;
  --white:#ffffff;
  --radius-btn:6px;
  --radius-card:12px;
  --radius-lg:16px;
  --radius-pill:999px;
  --shadow-1:0 2px 8px rgba(31,42,46,.06);
  --shadow-2:0 8px 24px rgba(31,42,46,.10);
  --shadow-3:0 18px 44px rgba(31,42,46,.18);
  --container:1200px;
  --sec-pad:100px;
}

*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",sans-serif;
  font-size:16.5px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--accent);text-decoration:none;transition:color .25s ease;}
a:hover{color:var(--accent-dark);}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:700;letter-spacing:-.01em;line-height:1.3;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
:focus-visible{outline:3px solid rgba(192,112,60,.42);outline-offset:2px;border-radius:4px;}

.container-x{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:90;
  background:rgba(250,248,245,.92);
  backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .3s ease;
}
.site-header.scrolled{box-shadow:0 6px 22px rgba(31,42,46,.08);}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:76px;}
.brand{display:inline-flex;align-items:center;gap:12px;text-decoration:none;color:var(--ink);font-weight:700;font-size:17px;letter-spacing:-.01em;white-space:nowrap;}
.brand:hover{color:var(--ink);}
.brand-mark{
  width:40px;height:40px;border-radius:11px;background:var(--ink);color:#fff;
  display:grid;place-items:center;font-size:14px;font-weight:700;letter-spacing:.06em;flex:none;
}
.nav-links{display:flex;align-items:center;gap:4px;}
.nav-links a{
  display:inline-block;padding:9px 15px;border-radius:var(--radius-pill);
  font-size:15px;color:var(--ink-3);text-decoration:none;white-space:nowrap;
  transition:background .25s ease,color .25s ease;
}
.nav-links a:hover{background:var(--bg-alt);color:var(--ink);}
.nav-links a.active{color:var(--accent-dark);background:var(--accent-tint);font-weight:600;}
.nav-right{display:flex;align-items:center;gap:12px;}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:14px 26px;border-radius:var(--radius-btn);border:1px solid transparent;
  font-size:15px;font-weight:600;line-height:1;cursor:pointer;
  transition:transform .22s ease,box-shadow .22s ease,background .22s ease,color .22s ease,border-color .22s ease;
}
.btn:active{transform:translateY(1px);}
.btn-primary{background:var(--accent);color:#fff;box-shadow:0 6px 16px rgba(192,112,60,.26);}
.btn-primary:hover{background:var(--accent-dark);color:#fff;transform:translateY(-1px);box-shadow:0 10px 24px rgba(192,112,60,.32);}
.btn-dark{background:var(--ink);color:#fff;}
.btn-dark:hover{background:#16201F;color:#fff;transform:translateY(-1px);box-shadow:var(--shadow-2);}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--ink);}
.btn-ghost:hover{background:var(--ink);color:#fff;}
.btn-ghost-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.5);}
.btn-ghost-light:hover{background:#fff;color:var(--ink);border-color:#fff;}
.btn-sm{padding:11px 20px;font-size:14px;}
.nav-cta{padding:12px 22px;font-size:14.5px;}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:10px;border:1px solid var(--line);
  background:#fff;color:var(--ink);align-items:center;justify-content:center;font-size:17px;
}
.nav-mobile-cta{display:none;}

/* ---------- Breadcrumb ---------- */
.bc-bar{background:var(--bg-alt);border-bottom:1px solid var(--line);}
.bc{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:var(--muted);padding:14px 0;}
.bc a{color:var(--muted);}
.bc a:hover{color:var(--accent-dark);}
.bc .sep{opacity:.6;}
.bc .current{color:var(--ink-2);}

/* ---------- Page hero ---------- */
.page-hero{
  position:relative;overflow:hidden;color:#fff;
  background-image:url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;
}
.page-hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(115deg,rgba(24,33,36,.92) 0%,rgba(24,33,36,.78) 48%,rgba(31,42,46,.58) 100%);
}
.page-hero .container-x{position:relative;z-index:2;padding-top:78px;padding-bottom:78px;}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 16px;border-radius:var(--radius-pill);
  background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.24);
  font-size:13.5px;color:#F4E6DA;letter-spacing:.02em;
}
.page-hero h1{
  color:#fff;font-size:clamp(30px,4vw,50px);line-height:1.24;
  margin:22px 0 18px;max-width:880px;
}
.page-hero .hero-sub{
  font-size:clamp(16px,1.5vw,18.5px);color:rgba(255,255,255,.86);
  max-width:720px;line-height:1.85;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px;}
.hero-meta{display:flex;flex-wrap:wrap;gap:26px;margin-top:38px;padding-top:26px;border-top:1px solid rgba(255,255,255,.18);}
.hero-meta div{color:rgba(255,255,255,.72);font-size:14px;}
.hero-meta strong{display:block;color:#fff;font-size:22px;font-weight:700;letter-spacing:-.01em;margin-bottom:2px;}

/* ---------- Section base ---------- */
.sec{padding:var(--sec-pad) 0;}
.sec-alt{background:var(--bg-alt);}
.sec-dark{background:var(--ink);color:rgba(255,255,255,.82);}
.sec-dark h2,.sec-dark h3{color:#fff;}
.sec-head{max-width:800px;margin-bottom:52px;}
.eyebrow{
  display:inline-block;font-size:13px;font-weight:600;letter-spacing:.08em;
  color:var(--accent-dark);text-transform:uppercase;margin-bottom:14px;
}
.sec-dark .eyebrow{color:#E7B98F;}
.sec-head h2{font-size:clamp(24px,2.8vw,36px);margin-bottom:16px;}
.sec-head .lead{font-size:16.5px;color:var(--muted);line-height:1.9;}
.sec-dark .sec-head .lead{color:rgba(255,255,255,.72);}

/* ---------- Zigzag blocks ---------- */
.zig{
  display:grid;grid-template-columns:1.02fr .98fr;gap:56px;align-items:center;
  padding:44px 0;border-bottom:1px solid var(--line);
}
.zig:last-child{border-bottom:0;padding-bottom:0;}
.zig.reverse .zig-media{order:2;}
.zig.reverse .zig-body{order:1;}
.zig-media{
  border-radius:var(--radius-lg);overflow:hidden;background:var(--bg-alt);
  aspect-ratio:16/10;box-shadow:var(--shadow-1);
}
.zig-media img{width:100%;height:100%;object-fit:cover;transition:transform .6s ease;}
.zig-media:hover img{transform:scale(1.035);}
.step-no{
  display:inline-flex;align-items:center;justify-content:center;
  width:46px;height:46px;border-radius:12px;background:var(--accent-tint);
  color:var(--accent-dark);font-weight:700;font-size:16px;letter-spacing:.02em;margin-bottom:18px;
}
.zig-body h3{font-size:clamp(20px,2.1vw,25px);margin-bottom:14px;}
.zig-body p{color:var(--muted);margin-bottom:18px;}
.tick-list li{
  position:relative;padding-left:26px;margin-bottom:11px;
  font-size:15.5px;color:var(--ink-3);line-height:1.8;
}
.tick-list li::before{
  content:"";position:absolute;left:2px;top:11px;width:7px;height:7px;border-radius:50%;
  background:var(--accent);
}

/* ---------- Prompt table ---------- */
.prompt-table{border-top:1px solid var(--line);margin-top:8px;}
.prompt-row{
  display:grid;grid-template-columns:1.1fr 1fr 1.2fr;gap:24px;
  padding:20px 0;border-bottom:1px solid var(--line);align-items:start;
}
.prompt-row.head{
  font-size:13px;letter-spacing:.06em;color:var(--muted);
  font-weight:600;text-transform:uppercase;padding:14px 0;
}
.prompt-row .code{font-weight:600;color:var(--ink);font-size:15.5px;}
.prompt-row .cell{font-size:15px;color:var(--muted);line-height:1.8;}

/* ---------- Steps ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;}
.step-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
  padding:28px 24px;height:100%;transition:transform .28s ease,box-shadow .28s ease;
}
.step-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);}
.step-card .num{
  font-family:ui-monospace,SFMono-Regular,Menlo,monospace;
  font-size:14px;font-weight:700;color:var(--accent);letter-spacing:.06em;margin-bottom:14px;display:block;
}
.step-card h3{font-size:18px;margin-bottom:10px;}
.step-card p{font-size:14.5px;color:var(--muted);line-height:1.8;}

/* ---------- Scenario cards ---------- */
.scene-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
  padding:30px 26px;height:100%;
  transition:transform .28s ease,box-shadow .28s ease,border-color .28s ease;
}
.scene-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:#DCD3C9;}
.scene-icon{
  width:48px;height:48px;border-radius:13px;background:var(--accent-tint);color:var(--accent-dark);
  display:grid;place-items:center;font-size:19px;margin-bottom:18px;
}
.scene-card h3{font-size:18.5px;margin-bottom:10px;}
.scene-card p{font-size:15px;color:var(--muted);line-height:1.82;}

/* ---------- Badges ---------- */
.tag{
  display:inline-block;padding:5px 13px;border-radius:var(--radius-pill);
  background:var(--accent-tint);color:var(--accent-dark);font-size:12.5px;font-weight:600;letter-spacing:.02em;
}
.tag-dark{background:rgba(255,255,255,.12);color:#F0D9C6;border:1px solid rgba(255,255,255,.2);}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:900px;}
.faq-item{border-bottom:1px solid var(--line);}
.faq-item:first-child{border-top:1px solid var(--line);}
.faq-q{
  width:100%;background:none;border:0;text-align:left;cursor:pointer;
  padding:24px 46px 24px 0;position:relative;
  font-size:17px;font-weight:600;color:var(--ink);line-height:1.6;
}
.faq-q:hover{color:var(--accent-dark);}
.faq-q::after{
  content:"";position:absolute;right:8px;top:50%;width:9px;height:9px;
  border-right:2px solid var(--accent);border-bottom:2px solid var(--accent);
  transform:translateY(-70%) rotate(45deg);transition:transform .3s ease;
}
.faq-item.open .faq-q::after{transform:translateY(-30%) rotate(-135deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .35s ease;}
.faq-a p{padding:0 40px 24px 0;color:var(--muted);font-size:15.5px;line-height:1.85;}

/* ---------- CTA band ---------- */
.cta-band{
  position:relative;overflow:hidden;color:#fff;
  background-image:url('/assets/images/backpic/back-3.webp');
  background-size:cover;background-position:center;
}
.cta-band::after{content:"";position:absolute;inset:0;background:linear-gradient(120deg,rgba(24,33,36,.94),rgba(31,42,46,.72));}
.cta-inner{position:relative;z-index:2;padding:82px 0;display:grid;grid-template-columns:1.4fr .9fr;gap:44px;align-items:center;}
.cta-inner h2{color:#fff;font-size:clamp(24px,2.8vw,34px);margin-bottom:14px;}
.cta-inner p{color:rgba(255,255,255,.78);max-width:620px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:flex-end;}

/* ---------- Footer ---------- */
.site-footer{background:var(--ink);color:rgba(255,255,255,.66);padding:72px 0 26px;font-size:15px;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;padding-bottom:44px;border-bottom:1px solid rgba(255,255,255,.12);}
.footer-brand{display:flex;align-items:center;gap:12px;color:#fff;font-weight:700;font-size:17px;margin-bottom:18px;}
.footer-brand .brand-mark{background:#fff;color:var(--ink);}
.footer-desc{max-width:360px;line-height:1.9;color:rgba(255,255,255,.6);}
.footer-col h4{color:#fff;font-size:15.5px;margin-bottom:18px;font-weight:600;letter-spacing:.02em;}
.footer-col a{display:block;color:rgba(255,255,255,.66);margin-bottom:11px;font-size:14.5px;}
.footer-col a:hover{color:#fff;}
.footer-col p{margin-bottom:11px;color:rgba(255,255,255,.6);font-size:14.5px;line-height:1.75;}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  padding-top:24px;font-size:13.5px;color:rgba(255,255,255,.5);
}

/* ---------- Floating CTA ---------- */
.float-cta{
  position:fixed;right:26px;bottom:26px;z-index:80;
  display:inline-flex;align-items:center;gap:10px;
  padding:15px 26px;border-radius:var(--radius-pill);
  background:var(--accent);color:#fff;font-weight:600;font-size:15px;
  box-shadow:0 12px 30px rgba(192,112,60,.34);text-decoration:none;
  opacity:0;transform:translateY(16px);pointer-events:none;
  transition:opacity .4s ease,transform .4s ease,background .25s ease;
}
.float-cta.show{opacity:1;transform:translateY(0);pointer-events:auto;}
.float-cta:hover{background:var(--accent-dark);color:#fff;}

/* ---------- Reveal ---------- */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .55s ease,transform .55s ease;}
.reveal.in{opacity:1;transform:none;}

@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;}
  .reveal{opacity:1;transform:none;}
}

/* ---------- Responsive ---------- */
@media (max-width:1199.98px){
  :root{--sec-pad:84px;}
  .zig{gap:40px;}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:34px;}
}
@media (max-width:991.98px){
  :root{--sec-pad:70px;}
  .nav-toggle{display:inline-flex;}
  .nav-cta{display:none;}
  .nav-links{
    position:fixed;left:0;right:0;top:0;bottom:0;z-index:95;
    flex-direction:column;align-items:stretch;gap:6px;
    background:var(--bg);padding:88px 24px 32px;
    transform:translateX(102%);transition:transform .32s ease;
    overflow-y:auto;
  }
  body.nav-open .nav-links{transform:translateX(0);}
  .nav-links a{font-size:16.5px;padding:15px 18px;border-radius:10px;background:var(--bg-alt);}
  .nav-links a.active{background:var(--accent-tint);}
  .nav-mobile-cta{display:flex;margin-top:16px;justify-content:center;}
  .zig{grid-template-columns:1fr;gap:26px;}
  .zig.reverse .zig-media{order:0;}
  .zig.reverse .zig-body{order:0;}
  .steps{grid-template-columns:repeat(2,1fr);}
  .cta-inner{grid-template-columns:1fr;gap:26px;padding:66px 0;}
  .cta-actions{justify-content:flex-start;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .prompt-row{grid-template-columns:1fr;gap:8px;padding:18px 0;}
  .prompt-row.head{display:none;}
}
@media (max-width:767.98px){
  :root{--sec-pad:58px;}
  body{font-size:16px;}
  .container-x{padding:0 20px;}
  .page-hero .container-x{padding-top:56px;padding-bottom:56px;}
  .hero-meta{gap:20px;}
  .hero-meta strong{font-size:19px;}
  .float-cta{
    left:0;right:0;bottom:0;border-radius:0;justify-content:center;
    padding:16px 20px;box-shadow:0 -6px 22px rgba(31,42,46,.18);
  }
  .site-footer{padding-bottom:82px;}
}
@media (max-width:575.98px){
  .steps{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;gap:8px;}
  .brand{font-size:15.5px;}
  .brand-mark{width:36px;height:36px;font-size:13px;}
  .hero-actions .btn{width:100%;}
}