/* roulang page: index */
:root{
  --c-primary:#E8551F;
  --c-primary-dark:#C33F10;
  --c-primary-soft:#FFF0E8;
  --c-ink:#14201B;
  --c-accent:#0E7C5A;
  --c-accent-soft:#E6F2ED;
  --c-bg:#FAF8F4;
  --c-surface:#FFFFFF;
  --c-line:#E4DED4;
  --c-muted:#6B726C;
  --c-body:#2B3631;
  --c-highlight:#FFC24B;
  --sh-1:0 1px 2px rgba(20,32,27,.06);
  --sh-2:0 12px 30px -14px rgba(20,32,27,.20);
  --sh-3:0 20px 46px -18px rgba(232,85,31,.28);
  --r-btn:10px;
  --r-card:16px;
  --r-img:14px;
  --section-y:88px;
  --container:1200px;
}
*,*::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,-apple-system,Arial,sans-serif;
  font-size:16px;line-height:1.8;color:var(--c-body);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
  font-variant-numeric:tabular-nums;
}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
ul,ol{margin:0;padding:0;list-style:none}
button{font-family:inherit}
h1,h2,h3,h4{margin:0;color:var(--c-ink);font-weight:700}
p{margin:0}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 32px}

/* focus */
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible{
  outline:2px solid var(--c-primary);outline-offset:2px;
  box-shadow:0 0 0 3px var(--c-primary-soft);border-radius:6px;
}

/* ---------- topbar ---------- */
.topbar{background:#10261F;height:36px;line-height:36px;font-size:13px;color:#fff;overflow:hidden}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;height:36px}
.topbar-left{display:flex;align-items:center;gap:16px;min-width:0}
.topbar-domain{font-weight:600;letter-spacing:.02em;color:#fff}
.topbar-tip{color:rgba(255,255,255,.6);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.topbar-right{display:flex;align-items:center;gap:14px;flex-shrink:0}
.topbar-link{color:rgba(255,255,255,.82);transition:color .18s cubic-bezier(.2,.7,.3,1)}
.topbar-link:hover{color:var(--c-primary)}
.topbar-sep{width:1px;height:12px;background:rgba(255,255,255,.24)}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;background:#fff;
  border-bottom:1px solid var(--c-line);
  transition:box-shadow .22s ease,background .22s ease;
}
.site-header.is-stuck{
  box-shadow:var(--sh-2);
  background:rgba(255,255,255,.96);
  backdrop-filter:blur(8px);
  -webkit-backdrop-filter:blur(8px);
}
.nav-inner{display:flex;align-items:center;gap:32px;height:72px}
.brand{display:flex;align-items:center;gap:11px;flex-shrink:0}
.brand-mark{
  width:36px;height:36px;border-radius:11px;flex:0 0 36px;
  background:linear-gradient(135deg,var(--c-primary) 0%,#F08A3E 52%,var(--c-accent) 100%);
  display:flex;align-items:center;justify-content:center;
  color:#fff;font-weight:800;font-size:17px;letter-spacing:-.04em;
}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-name{font-size:15px;font-weight:700;color:var(--c-ink);letter-spacing:.01em;white-space:nowrap}
.brand-sub{font-size:11px;letter-spacing:.12em;color:var(--c-muted);white-space:nowrap}
.main-nav{flex:1;min-width:0}
.main-nav ul{display:flex;align-items:center;gap:28px}
.main-nav a{
  position:relative;display:inline-block;padding:6px 0;
  font-size:15px;font-weight:500;color:var(--c-body);
  transition:color .18s cubic-bezier(.2,.7,.3,1);white-space:nowrap;
}
.main-nav a::after{
  content:"";position:absolute;left:0;bottom:-2px;height:2px;width:0;
  background:var(--c-primary);transition:width .22s cubic-bezier(.2,.7,.3,1);border-radius:2px;
}
.main-nav a:hover{color:var(--c-primary)}
.main-nav a:hover::after{width:60%}
.main-nav a.active{color:var(--c-primary);font-weight:600}
.main-nav a.active::after{width:60%}
.nav-cta{flex-shrink:0}
.nav-toggle{
  display:none;width:44px;height:44px;border:0;background:transparent;
  position:relative;cursor:pointer;flex-shrink:0;
}
.nav-toggle span{
  position:absolute;left:10px;width:24px;height:2px;border-radius:2px;
  background:var(--c-ink);transition:transform .25s ease,opacity .2s ease;
}
.nav-toggle span:nth-child(1){top:17px}
.nav-toggle span:nth-child(2){top:25px}
.drawer-open .nav-toggle span:nth-child(1){transform:translateY(4px) rotate(45deg)}
.drawer-open .nav-toggle span:nth-child(2){transform:translateY(-4px) rotate(-45deg)}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 26px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;cursor:pointer;white-space:nowrap;
  border:1.5px solid transparent;
  transition:all .18s cubic-bezier(.2,.7,.3,1);
}
.btn-primary{background:var(--c-primary);color:#fff}
.btn-primary:hover{background:var(--c-primary-dark);color:#fff;transform:translateY(-1px);box-shadow:0 14px 26px -14px rgba(232,85,31,.62)}
.btn-primary:active{transform:translateY(0)}
.btn-outline{background:#fff;border-color:var(--c-primary);color:var(--c-primary)}
.btn-outline:hover{background:var(--c-primary-soft);color:var(--c-primary-dark)}
.btn-ghost{background:transparent;border-color:rgba(255,255,255,.7);color:#fff}
.btn-ghost:hover{background:rgba(255,255,255,.14);border-color:#fff;color:#fff}
.btn-sm{height:40px;padding:0 20px;font-size:14px}
.text-link{
  display:inline-flex;align-items:center;gap:6px;
  color:var(--c-primary);font-size:14px;font-weight:600;
  transition:color .18s cubic-bezier(.2,.7,.3,1);
}
.text-link span{transition:transform .2s cubic-bezier(.2,.7,.3,1);display:inline-block}
.text-link:hover{color:var(--c-primary-dark)}
.text-link:hover span{transform:translateX(3px)}

/* ---------- hero ---------- */
.hero{position:relative;overflow:hidden;background:#10261F}
.hero-bg{position:absolute;inset:0;background-size:cover;background-position:center;background-repeat:no-repeat}
.hero-mask{
  position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(16,38,31,.94) 0%,rgba(16,38,31,.74) 55%,rgba(232,85,31,.42) 100%);
}
.hero-arc{position:absolute;right:-40px;bottom:-70px;width:460px;height:460px;opacity:.35;pointer-events:none}
.hero-inner{
  position:relative;z-index:2;
  display:grid;grid-template-columns:7fr 5fr;gap:48px;align-items:center;
  padding-top:72px;padding-bottom:86px;
}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;height:30px;padding:0 14px;
  border-radius:999px;background:rgba(255,255,255,.12);
  border:1px solid rgba(255,255,255,.22);color:#fff;font-size:13px;
  margin-bottom:20px;
}
.hero-badge i{width:6px;height:6px;border-radius:50%;background:var(--c-highlight);display:block}
.hero h1{
  font-size:clamp(30px,4.4vw,46px);font-weight:800;line-height:1.28;
  color:#fff;letter-spacing:-.01em;margin-bottom:18px;max-width:16em;
}
.hero-sub{font-size:17px;line-height:1.75;color:rgba(255,255,255,.82);max-width:36ch;margin-bottom:28px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px}
.hero-facts{
  display:flex;flex-wrap:wrap;gap:0;margin-top:38px;padding-top:24px;
  border-top:1px solid rgba(255,255,255,.16);
}
.hero-fact{padding-right:26px;margin-right:26px;border-right:1px solid rgba(255,255,255,.18)}
.hero-fact:last-child{border-right:0;margin-right:0;padding-right:0}
.hero-fact b{display:block;font-size:15px;font-weight:700;color:#fff;margin-bottom:2px}
.hero-fact span{display:block;font-size:13px;color:rgba(255,255,255,.6)}
.hero-media{position:relative;transform:translateX(-24px)}
.hero-media img{
  width:100%;aspect-ratio:4/3;object-fit:cover;
  border-radius:18px;border:6px solid #fff;box-shadow:var(--sh-3);
}
.hero-media-badge{
  position:absolute;right:-6px;bottom:-6px;
  background:var(--c-ink);color:#fff;font-size:13px;font-weight:600;
  padding:9px 18px;border-radius:999px;border:2px solid #fff;
}

/* ---------- generic section ---------- */
.section{padding:var(--section-y) 0}
.section-alt{background:var(--c-surface);border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line)}
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;gap:24px;
  margin-bottom:40px;flex-wrap:wrap;
}
.eyebrow{
  display:inline-block;font-size:12px;font-weight:700;letter-spacing:.14em;
  color:var(--c-primary);background:var(--c-primary-soft);
  padding:5px 12px;border-radius:8px;margin-bottom:14px;
}
.section-head h2{font-size:clamp(24px,3vw,34px);line-height:1.35;letter-spacing:-.01em;max-width:22em}
.section-head .lead{margin-top:12px;font-size:16px;color:var(--c-muted);max-width:42em}

/* ---------- quick scroll ---------- */
.quick-scroll{
  display:grid;grid-auto-flow:column;grid-auto-columns:minmax(250px,1fr);
  gap:20px;overflow-x:auto;padding-bottom:10px;
  scroll-snap-type:x mandatory;-webkit-overflow-scrolling:touch;
}
.quick-scroll::-webkit-scrollbar{height:6px}
.quick-scroll::-webkit-scrollbar-thumb{background:#DCD4C8;border-radius:999px}
.quick-card{
  scroll-snap-align:start;
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:24px 22px;box-shadow:var(--sh-1);position:relative;overflow:hidden;
  transition:transform .18s cubic-bezier(.2,.7,.3,1),box-shadow .18s,border-color .18s;
}
.quick-card::before{content:"";position:absolute;left:0;top:0;width:100%;height:3px;background:var(--c-primary)}
.quick-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(232,85,31,.3)}
.quick-num{
  display:inline-flex;align-items:center;justify-content:center;
  height:24px;min-width:34px;padding:0 10px;border-radius:999px;
  background:var(--c-accent-soft);color:var(--c-accent);
  font-size:12px;font-weight:800;letter-spacing:.06em;margin-bottom:14px;
}
.quick-card h3{font-size:17px;font-weight:600;margin-bottom:10px;line-height:1.5}
.quick-card p{font-size:14px;line-height:1.75;color:var(--c-muted)}

/* ---------- points (big + two small) ---------- */
.points{display:grid;grid-template-columns:5fr 7fr;gap:24px}
.point-big{
  background:var(--c-primary-soft);border-radius:var(--r-card);
  padding:34px 32px;position:relative;overflow:hidden;min-height:320px;
  display:flex;flex-direction:column;border:1px solid rgba(232,85,31,.14);
  transition:transform .18s cubic-bezier(.2,.7,.3,1),box-shadow .18s;
}
.point-big:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.point-watermark{
  position:absolute;right:16px;bottom:-18px;
  font-size:96px;font-weight:800;line-height:1;
  color:var(--c-primary);opacity:.12;letter-spacing:-.05em;pointer-events:none;
}
.point-icon{
  width:44px;height:44px;border-radius:12px;background:#fff;
  display:flex;align-items:center;justify-content:center;margin-bottom:20px;
  border:1px solid rgba(232,85,31,.18);
}
.point-icon svg{width:22px;height:22px;stroke:var(--c-primary);fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.point-big h3{font-size:21px;font-weight:700;margin-bottom:12px;line-height:1.45}
.point-big p{font-size:15px;line-height:1.8;color:#59443B;max-width:34em}
.point-big .text-link{margin-top:auto;padding-top:22px;align-self:flex-start}
.point-stack{display:grid;grid-template-rows:1fr 1fr;gap:24px}
.point-small{
  background:var(--c-surface);border:1px solid var(--c-line);
  border-left:4px solid var(--c-accent);border-radius:var(--r-card);
  padding:24px 26px;position:relative;
  transition:transform .18s cubic-bezier(.2,.7,.3,1),box-shadow .18s,border-color .18s;
}
.point-small:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(232,85,31,.3);border-left-color:var(--c-primary)}
.point-small h3{font-size:18px;font-weight:600;margin-bottom:8px;line-height:1.5}
.point-small p{font-size:15px;line-height:1.75;color:var(--c-muted)}
.point-tag{
  position:absolute;right:22px;top:22px;
  font-size:12px;font-weight:700;color:var(--c-primary);
  background:var(--c-primary-soft);border-radius:999px;padding:3px 10px;letter-spacing:.06em;
}

/* ---------- scene ---------- */
.scene{
  display:grid;grid-template-columns:1fr 1fr;gap:52px;align-items:center;
  padding:56px 0;
}
.scene + .scene{border-top:1px dashed var(--c-line)}
.scene-media{position:relative;border-radius:var(--r-img);overflow:hidden;box-shadow:var(--sh-1)}
.scene-media img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .4s ease}
.scene-media:hover img{transform:scale(1.04)}
.scene-tag{
  display:inline-block;font-size:12px;font-weight:700;letter-spacing:.12em;
  color:var(--c-accent);background:var(--c-accent-soft);
  padding:5px 12px;border-radius:8px;margin-bottom:16px;
}
.scene h3{font-size:24px;font-weight:700;line-height:1.4;margin-bottom:14px}
.scene p{font-size:16px;line-height:1.85;color:var(--c-muted);margin-bottom:18px}
.scene-list{display:flex;flex-direction:column;gap:12px;margin-bottom:22px}
.scene-list li{position:relative;padding-left:20px;font-size:15px;line-height:1.7;color:var(--c-body)}
.scene-list li::before{
  content:"";position:absolute;left:0;top:11px;
  width:7px;height:7px;border-radius:50%;background:var(--c-primary);
}
.scene.reverse .scene-media{order:2}
.scene.dark{background:var(--c-ink);border-radius:20px;padding:52px 44px;border-top:0}
.scene.dark h3,.scene.dark h2{color:#fff}
.scene.dark p,.scene.dark .scene-list li{color:rgba(255,255,255,.72)}
.scene.dark .scene-tag{background:rgba(255,255,255,.12);color:#fff}
.scene.dark .scene-list li::before{background:var(--c-highlight)}
.scene-wrap{display:grid;grid-template-columns:1fr;gap:0}

/* ---------- news ---------- */
.news-grid{display:grid;grid-template-columns:6fr 6fr;gap:24px}
.news-main{
  display:flex;flex-direction:column;background:var(--c-surface);
  border:1px solid var(--c-line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--sh-1);
  transition:transform .2s cubic-bezier(.2,.7,.3,1),box-shadow .2s,border-color .2s;
}
.news-main:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:rgba(232,85,31,.28)}
.news-main .thumb{overflow:hidden}
.news-main .thumb img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .4s ease}
.news-main:hover .thumb img{transform:scale(1.04)}
.news-body{padding:24px 26px 26px;display:flex;flex-direction:column;flex:1}
.news-title{
  font-size:19px;font-weight:600;line-height:1.5;margin-bottom:10px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  transition:color .18s;
}
.news-main:hover .news-title{color:var(--c-primary)}
.news-excerpt{
  font-size:14px;line-height:1.75;color:var(--c-muted);margin-bottom:18px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-side{display:grid;grid-template-rows:repeat(3,1fr);gap:24px}
.news-item{
  display:grid;grid-template-columns:124px 1fr;gap:16px;align-items:center;
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:14px;box-shadow:var(--sh-1);overflow:hidden;
  transition:transform .2s cubic-bezier(.2,.7,.3,1),box-shadow .2s,border-color .2s;
}
.news-item:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:rgba(232,85,31,.28)}
.news-item .thumb{border-radius:10px;overflow:hidden}
.news-item .thumb img{width:100%;aspect-ratio:120/88;object-fit:cover;transition:transform .4s ease}
.news-item:hover .thumb img{transform:scale(1.04)}
.news-item h3{
  font-size:16px;font-weight:600;line-height:1.5;margin-bottom:6px;
  display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden;
  transition:color .18s;
}
.news-item:hover h3{color:var(--c-primary)}
.news-item p{
  font-size:13px;line-height:1.7;color:var(--c-muted);margin-bottom:8px;
  display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden;
}
.meta-row{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-top:auto}
.badge{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;
  border-radius:999px;background:var(--c-primary-soft);
  color:var(--c-primary-dark);font-size:12px;font-weight:600;
}
.badge-accent{background:var(--c-accent-soft);color:var(--c-accent)}
.meta-time{font-size:13px;color:var(--c-muted)}
.empty-state{
  height:220px;border:1px dashed #D5CDC0;border-radius:var(--r-card);
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;
  background:rgba(255,255,255,.6);text-align:center;padding:24px;
}
.empty-state svg{width:48px;height:48px;stroke:#C0B8AA;fill:none;stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round}
.empty-state p{font-size:15px;color:var(--c-muted);margin:0}

/* ---------- proof ---------- */
.proof-strip{
  display:grid;grid-auto-flow:column;grid-auto-columns:minmax(150px,1fr);
  gap:16px;overflow-x:auto;padding-bottom:6px;margin-bottom:44px;
}
.proof-logo{
  height:64px;border-radius:10px;background:#F1EEE8;
  display:flex;align-items:center;justify-content:center;
  font-size:14px;font-weight:600;color:#9A9689;letter-spacing:.04em;
  transition:all .22s cubic-bezier(.2,.7,.3,1);white-space:nowrap;
}
.proof-logo:hover{background:var(--c-primary-soft);color:var(--c-primary);transform:translateY(-2px)}
.quote-grid{display:grid;grid-template-columns:4fr 5fr 3fr;gap:20px}
.quote-card{
  background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-card);padding:26px 24px;position:relative;overflow:hidden;
  display:flex;flex-direction:column;box-shadow:var(--sh-1);
  transition:transform .18s cubic-bezier(.2,.7,.3,1),box-shadow .18s;
}
.quote-card::before{content:"";position:absolute;left:0;top:0;width:100%;height:3px;background:var(--c-primary)}
.quote-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2)}
.quote-card p{font-size:15px;line-height:1.85;color:var(--c-body);margin-bottom:20px}
.quote-person{display:flex;align-items:center;gap:12px;margin-top:auto}
.quote-avatar{
  width:40px;height:40px;border-radius:50%;flex:0 0 40px;
  background:linear-gradient(135deg,var(--c-primary),var(--c-accent));
  color:#fff;font-size:15px;font-weight:700;
  display:flex;align-items:center;justify-content:center;
}
.quote-person b{display:block;font-size:14px;font-weight:600;color:var(--c-ink);line-height:1.4}
.quote-person span{display:block;font-size:12px;color:var(--c-muted);line-height:1.4}

/* ---------- faq ---------- */
.faq-wrap{max-width:800px;margin:0 auto}
.faq-item{
  background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:12px;margin-bottom:12px;overflow:hidden;
  transition:border-color .18s,box-shadow .18s;
}
.faq-item:hover{border-color:rgba(232,85,31,.3)}
.faq-item.open{border-color:rgba(232,85,31,.4);box-shadow:var(--sh-1)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  min-height:56px;padding:14px 20px;border:0;background:transparent;
  text-align:left;font-size:16px;font-weight:600;color:var(--c-ink);
  cursor:pointer;transition:color .18s;line-height:1.55;
}
.faq-q:hover{color:var(--c-primary)}
.faq-icon{position:relative;width:20px;height:20px;flex:0 0 20px}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;background:var(--c-primary);border-radius:2px;
  transition:transform .22s cubic-bezier(.2,.7,.3,1),opacity .22s;
}
.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;background:var(--c-primary-soft);transition:max-height .25s ease}
.faq-a p{margin:0;padding:16px 20px;font-size:15px;line-height:1.8;color:var(--c-body)}
.faq-item.open .faq-a{max-height:360px}

/* ---------- cta band ---------- */
.cta-band{
  background:
    repeating-linear-gradient(135deg,rgba(232,85,31,.06) 0 2px,transparent 2px 8px),
    var(--c-primary-soft);
  border-top:1px solid rgba(232,85,31,.16);
  border-bottom:1px solid rgba(232,85,31,.16);
  padding:72px 0;
}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap}
.cta-inner h2{font-size:clamp(22px,2.6vw,30px);line-height:1.4;margin-bottom:10px}
.cta-inner p{font-size:16px;color:#6B574C;max-width:44em}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap}

/* ---------- footer ---------- */
.site-footer{background:#10261F;color:#C9D4CE;padding-top:64px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:52px}
.footer-brand{display:flex;align-items:center;gap:11px;margin-bottom:18px}
.footer-mark{
  width:36px;height:36px;border-radius:11px;flex:0 0 36px;
  background:linear-gradient(135deg,var(--c-primary),#F08A3E 52%,var(--c-accent));
  display:flex;align-items:center;justify-content:center;color:#fff;font-weight:800;font-size:17px;
}
.footer-brand b{color:#fff;font-size:15px;font-weight:700;line-height:1.3;display:block}
.footer-brand i{font-size:11px;letter-spacing:.12em;color:rgba(255,255,255,.5);font-style:normal;display:block}
.footer-desc{font-size:14px;line-height:1.85;color:rgba(255,255,255,.62);margin-bottom:16px}
.footer-contact{font-size:14px;line-height:2;color:rgba(255,255,255,.72)}
.footer-contact span{color:rgba(255,255,255,.45);margin-right:8px}
.footer-col h4{color:#fff;font-size:15px;font-weight:700;margin-bottom:18px;letter-spacing:.02em}
.footer-col ul{display:flex;flex-direction:column;gap:12px}
.footer-col a{font-size:14px;color:rgba(255,255,255,.68);transition:color .18s}
.footer-col a:hover{color:var(--c-primary)}
.footer-cta-box{
  border:1px solid rgba(255,255,255,.12);border-radius:12px;
  padding:20px;background:rgba(255,255,255,.03);
}
.footer-cta-box p{font-size:13px;line-height:1.8;color:rgba(255,255,255,.6);margin-bottom:14px}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);
  padding:22px 0;display:flex;align-items:center;justify-content:space-between;
  gap:16px;flex-wrap:wrap;font-size:13px;color:rgba(255,255,255,.5);
}
.footer-bottom a{color:rgba(255,255,255,.66);transition:color .18s}
.footer-bottom a:hover{color:var(--c-primary)}

/* ---------- sticky bar ---------- */
.sticky-bar{
  position:fixed;left:0;right:0;bottom:0;z-index:55;
  background:#10261F;border-left:4px solid var(--c-primary);
  transform:translateY(110%);transition:transform .3s cubic-bezier(.2,.7,.3,1);
  box-shadow:0 -12px 30px -18px rgba(20,32,27,.5);
}
.sticky-bar.show{transform:translateY(0)}
.sticky-inner{
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  height:64px;
}
.sticky-text{color:rgba(255,255,255,.86);font-size:14px;font-weight:500}
.sticky-actions{display:flex;align-items:center;gap:14px}
.sticky-close{
  width:24px;height:24px;border:0;background:transparent;cursor:pointer;
  position:relative;flex:0 0 24px;
}
.sticky-close::before,.sticky-close::after{
  content:"";position:absolute;left:2px;top:11px;width:20px;height:2px;
  background:rgba(255,255,255,.6);border-radius:2px;
}
.sticky-close::before{transform:rotate(45deg)}
.sticky-close::after{transform:rotate(-45deg)}
.sticky-close:hover::before,.sticky-close:hover::after{background:var(--c-primary)}

/* ---------- drawer ---------- */
.drawer-mask{
  position:fixed;inset:0;background:rgba(16,38,31,.45);
  opacity:0;visibility:hidden;transition:opacity .25s ease,visibility .25s;z-index:80;
}
.drawer-open .drawer-mask{opacity:1;visibility:visible}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:280px;max-width:86vw;
  background:#fff;z-index:90;transform:translateX(100%);
  transition:transform .28s cubic-bezier(.2,.7,.3,1);
  display:flex;flex-direction:column;padding:22px 20px 26px;overflow-y:auto;
}
.drawer-open .drawer{transform:translateX(0)}
.drawer-brand{display:flex;align-items:center;gap:10px;padding-bottom:20px;border-bottom:1px solid var(--c-line);margin-bottom:18px}
.drawer-brand b{font-size:14px;font-weight:700;color:var(--c-ink);display:block;line-height:1.3}
.drawer-brand i{font-size:11px;letter-spacing:.12em;color:var(--c-muted);font-style:normal;display:block}
.drawer .btn{width:100%;margin-bottom:22px}
.drawer-nav{display:flex;flex-direction:column}
.drawer-nav a{
  height:48px;display:flex;align-items:center;font-size:15px;font-weight:500;
  color:var(--c-body);border-bottom:1px solid var(--c-line);transition:color .18s,padding-left .18s;
}
.drawer-nav a:hover{color:var(--c-primary);padding-left:6px}
.drawer-nav a.active{color:var(--c-primary);font-weight:600}
.drawer-foot{margin-top:auto;padding-top:22px;font-size:12px;color:var(--c-muted);line-height:1.8}

/* ---------- responsive ---------- */
@media (max-width:1023px){
  :root{--section-y:64px}
  .container{padding:0 24px}
  .main-nav,.nav-cta{display:none}
  .nav-toggle{display:block}
  .nav-inner{justify-content:space-between;gap:12px}
  .hero-inner{grid-template-columns:1fr;gap:36px;padding-top:56px;padding-bottom:64px}
  .hero-media{transform:none;max-width:560px}
  .points{grid-template-columns:1fr}
  .point-big{min-height:0}
  .scene{grid-template-columns:1fr;gap:28px;padding:40px 0}
  .scene.reverse .scene-media{order:0}
  .scene.dark{padding:38px 26px;border-radius:16px}
  .news-grid{grid-template-columns:1fr}
  .news-side{grid-template-rows:none}
  .quote-grid{grid-template-columns:1fr 1fr;gap:18px}
  .quote-grid .quote-card:last-child{grid-column:1/-1}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .footer-col:last-child{grid-column:1/-1}
  .cta-inner{flex-direction:column;align-items:flex-start}
  .cta-band{padding:52px 0}
}
@media (max-width:639px){
  :root{--section-y:52px}
  .container{padding:0 18px}
  .topbar-tip{display:none}
  .topbar{font-size:12px}
  .section-head{margin-bottom:28px;gap:14px}
  .section-head h2{font-size:23px}
  .hero h1{font-size:29px;max-width:none}
  .hero-sub{font-size:15px;max-width:none}
  .hero-actions{gap:12px}
  .hero-actions .btn{flex:1 1 auto;min-width:150px}
  .hero-facts{gap:16px 0}
  .hero-fact{padding-right:18px;margin-right:18px}
  .hero-fact b{font-size:14px}
  .point-big{padding:26px 22px}
  .point-small{padding:20px 20px}
  .point-tag{position:static;display:inline-block;margin-bottom:10px}
  .scene h3{font-size:20px}
  .scene.dark{padding:30px 20px}
  .news-item{grid-template-columns:100px 1fr;gap:12px}
  .quote-grid{grid-template-columns:1fr}
  .quote-grid .quote-card:last-child{grid-column:auto}
  .footer-grid{grid-template-columns:1fr;gap:30px}
  .faq-q{font-size:15px;padding:14px 16px}
  .sticky-inner{height:60px;gap:12px}
  .sticky-text{font-size:13px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
  .btn{height:48px;padding:0 20px}
  .btn-sm{height:40px;padding:0 16px}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;transition-duration:.001ms !important}
  .quick-card:hover,.point-big:hover,.point-small:hover,.news-main:hover,.news-item:hover,.quote-card:hover{transform:none}
}

/* roulang page: category1 */
:root{
  --c-primary:#E8551F;
  --c-primary-dark:#C33F10;
  --c-primary-soft:#FFF0E8;
  --c-ink:#14201B;
  --c-accent:#0E7C5A;
  --c-bg:#FAF8F4;
  --c-surface:#FFFFFF;
  --c-line:#E4DED4;
  --c-muted:#6B726C;
  --c-body:#2B3631;
  --c-highlight:#FFC24B;
  --sh-1:0 1px 2px rgba(20,32,27,.06);
  --sh-2:0 12px 30px -14px rgba(20,32,27,.20);
  --sh-3:0 20px 46px -18px rgba(232,85,31,.28);
  --r-btn:10px;
  --r-card:16px;
  --r-img:14px;
  --r-badge:999px;
  --sp-section:88px;
  --t:all .18s cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  padding:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,Arial,sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--c-body);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;border:0}
a{color:inherit;text-decoration:none;transition:var(--t)}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,h5{margin:0;color:var(--c-ink);font-weight:700;line-height:1.35}
p{margin:0}
button{font-family:inherit;cursor:pointer;border:0;background:none}
input,textarea,select{font-family:inherit;font-size:15px}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;box-shadow:0 0 0 3px var(--c-primary-soft)}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px}
.num{font-variant-numeric:tabular-nums;font-weight:800}

/* ---------- 顶部信息条 ---------- */
.topbar{background:#10261F;color:#FFFFFF;height:36px;line-height:36px;font-size:13px}
.topbar .container{display:flex;align-items:center;justify-content:space-between}
.topbar-left{display:flex;align-items:center;gap:14px;opacity:.92}
.topbar-left .dot-sep{width:1px;height:12px;background:rgba(255,255,255,.32);display:inline-block}
.topbar-right{display:flex;align-items:center;gap:14px}
.topbar-right a{color:rgba(255,255,255,.86)}
.topbar-right a:hover{color:var(--c-primary)}
.topbar-right .dot-sep{width:1px;height:12px;background:rgba(255,255,255,.32);display:inline-block}
.show-for-medium-up{display:inline-flex;align-items:center}

/* ---------- 主导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:#FFFFFF;
  border-bottom:1px solid var(--c-line);
  transition:var(--t);
}
.site-header.is-stuck{box-shadow:var(--sh-2);background:rgba(255,255,255,.96);backdrop-filter:blur(8px)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:72px;gap:20px}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
  width:36px;height:36px;border-radius:11px;flex:0 0 36px;
  background:linear-gradient(135deg,var(--c-primary) 0%,var(--c-primary) 55%,var(--c-accent) 56%,var(--c-accent) 100%);
  color:#fff;font-weight:800;font-size:18px;display:flex;align-items:center;justify-content:center;
  box-shadow:var(--sh-1);
}
.brand-text{display:flex;flex-direction:column;line-height:1.1}
.brand-name{font-size:16px;font-weight:800;color:var(--c-ink);letter-spacing:.01em}
.brand-sub{font-size:11px;color:var(--c-muted);letter-spacing:.12em;margin-top:3px}
.main-nav ul{display:flex;align-items:center;gap:28px}
.main-nav a{
  position:relative;font-size:16px;font-weight:500;color:var(--c-body);
  padding:6px 2px;display:inline-block;
}
.main-nav a::after{
  content:"";position:absolute;left:50%;bottom:-6px;transform:translateX(-50%);
  width:0;height:2px;background:var(--c-primary);border-radius:2px;transition:var(--t);
}
.main-nav a:hover{color:var(--c-primary)}
.main-nav a:hover::after{width:60%}
.main-nav a.active{color:var(--c-primary);font-weight:700}
.main-nav a.active::after{width:60%}
.nav-cta{display:flex;align-items:center;gap:12px}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:10px;position:relative;
  align-items:center;justify-content:center;flex-direction:column;gap:6px;
}
.nav-toggle span{display:block;width:22px;height:2px;background:var(--c-ink);border-radius:2px;transition:var(--t)}
.nav-toggle.is-open span:nth-child(1){transform:translateY(4px) rotate(45deg)}
.nav-toggle.is-open span:nth-child(2){transform:translateY(-4px) rotate(-45deg)}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 26px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;line-height:1;white-space:nowrap;
  transition:var(--t);
}
.btn-primary{background:var(--c-primary);color:#fff;box-shadow:var(--sh-1)}
.btn-primary:hover{background:var(--c-primary-dark);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-3)}
.btn-primary:active{transform:translateY(0)}
.btn-outline{background:#fff;color:var(--c-primary);border:1.5px solid var(--c-primary)}
.btn-outline:hover{background:var(--c-primary-soft);color:var(--c-primary-dark);border-color:var(--c-primary-dark)}
.btn-ghost{background:transparent;color:#fff;border:1.5px solid rgba(255,255,255,.7)}
.btn-ghost:hover{background:rgba(255,255,255,.12);border-color:#fff;color:#fff}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.btn-block{width:100%}
.link-more{color:var(--c-primary);font-weight:600;font-size:14px;display:inline-flex;align-items:center;gap:6px}
.link-more i{font-size:12px;transition:var(--t)}
.link-more:hover{color:var(--c-primary-dark)}
.link-more:hover i{transform:translateX(3px)}

/* ---------- 徽章 / 标签 ---------- */
.badge{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:var(--r-badge);
  background:var(--c-primary-soft);color:var(--c-primary-dark);font-size:12px;font-weight:600;
}
.badge-accent{background:var(--c-accent);color:#fff}
.badge-line{background:transparent;border:1px solid var(--c-highlight);color:var(--c-ink)}

/* ---------- 页头带 ---------- */
.page-hero{
  position:relative;overflow:hidden;color:#fff;
  background-color:#10261F;
  background-image:linear-gradient(100deg,rgba(16,38,31,.96) 0%,rgba(16,38,31,.88) 55%,rgba(16,38,31,.80) 100%),
                   url("/assets/images/backpic/back-1.webp");
  background-size:cover;
  background-position:center;
  border-bottom:3px solid var(--c-primary);
}
.page-hero-inner{min-height:220px;display:flex;flex-direction:column;justify-content:center;padding:36px 0}
.breadcrumb{font-size:14px;color:rgba(255,255,255,.72);margin-bottom:14px;display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.breadcrumb a{color:rgba(255,255,255,.72)}
.breadcrumb a:hover{color:var(--c-primary)}
.breadcrumb .sep{color:rgba(255,255,255,.4)}
.breadcrumb .current{color:rgba(255,255,255,.92)}
.page-hero h1{font-size:clamp(30px,4.4vw,42px);font-weight:800;line-height:1.28;color:#fff;max-width:760px}
.page-hero .hero-sub{margin-top:14px;font-size:16px;color:rgba(255,255,255,.82);max-width:680px}
.hero-arc{position:absolute;right:-40px;bottom:-20px;width:420px;height:auto;opacity:.35;pointer-events:none}

/* ---------- 通用板块 ---------- */
.section{padding:var(--sp-section) 0}
.section-tight{padding:56px 0}
.section-alt{background:#FFFFFF;border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line)}
.section-dark{background:var(--c-ink);color:#C9D4CE}
.section-dark h2,.section-dark h3{color:#fff}
.section-head{margin-bottom:36px;max-width:760px}
.section-head h2{font-size:clamp(24px,3vw,34px);font-weight:700;line-height:1.35}
.section-head p{margin-top:14px;color:var(--c-muted);font-size:16px}
.section-head .eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;
  color:var(--c-primary);letter-spacing:.08em;margin-bottom:12px;
}
.section-head .eyebrow::before{content:"";width:18px;height:2px;background:var(--c-primary);border-radius:2px}
.section-dark .section-head p{color:rgba(201,212,206,.85)}
.section-head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px}

/* ---------- 图文导语 ---------- */
.intro-grid{display:grid;grid-template-columns:7fr 5fr;gap:40px;align-items:center}
.intro-media{border-radius:var(--r-img);overflow:hidden;box-shadow:var(--sh-2);border:1px solid var(--c-line);background:#fff}
.intro-media img{width:100%;aspect-ratio:16/10;object-fit:cover}
.intro-copy h2{font-size:clamp(22px,2.6vw,30px);margin-bottom:16px}
.intro-copy p{font-size:16.5px;color:var(--c-body);margin-bottom:16px}
.intro-copy p:last-of-type{margin-bottom:22px}
.intro-points{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:24px}
.point-chip{
  display:inline-flex;align-items:center;gap:8px;height:34px;padding:0 14px;border-radius:var(--r-badge);
  background:#fff;border:1px solid var(--c-line);font-size:13.5px;color:var(--c-body);
}
.point-chip i{color:var(--c-primary);font-size:12px}

/* ---------- 编号清单 ---------- */
.step-list{border-top:1px solid var(--c-line)}
.step-item{
  display:grid;grid-template-columns:56px 1fr;gap:22px;align-items:flex-start;
  padding:26px 18px;border-bottom:1px solid var(--c-line);border-radius:12px;
  transition:var(--t);
}
.step-item:hover{background:#FAF8F4}
.step-num{
  width:56px;height:56px;border-radius:50%;background:var(--c-primary-soft);color:var(--c-primary);
  font-size:20px;font-weight:800;display:flex;align-items:center;justify-content:center;
  font-variant-numeric:tabular-nums;
}
.step-body h3{font-size:18px;font-weight:600;margin-bottom:8px}
.step-body p{font-size:15px;color:var(--c-body);margin-bottom:10px;max-width:820px}
.step-meta{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:12px}
.step-tag{font-size:12px;color:var(--c-muted);background:#F1EEE8;border-radius:8px;padding:3px 10px}

/* ---------- 准备清单（深色区） ---------- */
.prep-grid{display:grid;grid-template-columns:5fr 7fr;gap:44px;align-items:center}
.prep-media{border-radius:var(--r-img);overflow:hidden;border:1px solid rgba(255,255,255,.12)}
.prep-media img{width:100%;aspect-ratio:4/3;object-fit:cover}
.prep-list{display:grid;gap:16px;margin-top:26px}
.prep-row{display:grid;grid-template-columns:28px 1fr;gap:14px;align-items:flex-start;
  background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.12);border-radius:14px;padding:16px 18px}
.prep-row i{color:var(--c-primary);font-size:16px;margin-top:4px}
.prep-row h3{font-size:16px;margin-bottom:6px}
.prep-row p{font-size:14.5px;color:rgba(201,212,206,.88)}

/* ---------- 入口位置对照卡 ---------- */
.entry-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.entry-card{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:26px 24px;box-shadow:var(--sh-1);border-top:3px solid var(--c-primary);
  transition:var(--t);display:flex;flex-direction:column;
}
.entry-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(232,85,31,.35)}
.entry-card .icon{width:42px;height:42px;border-radius:12px;background:var(--c-primary-soft);color:var(--c-primary);
  display:flex;align-items:center;justify-content:center;font-size:18px;margin-bottom:18px}
.entry-card h3{font-size:18px;margin-bottom:10px}
.entry-card p{font-size:15px;color:var(--c-body);flex:1;margin-bottom:16px}

/* ---------- 交叉链接 ---------- */
.cross-links{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.cross-link{
  display:flex;align-items:center;justify-content:space-between;gap:14px;
  background:#fff;border:1px solid var(--c-line);border-radius:14px;padding:20px 22px;
  transition:var(--t);box-shadow:var(--sh-1);
}
.cross-link:hover{border-color:rgba(232,85,31,.4);transform:translateY(-3px);box-shadow:var(--sh-2)}
.cross-link span.t{font-size:16px;font-weight:600;color:var(--c-ink)}
.cross-link span.d{display:block;font-size:13px;color:var(--c-muted);font-weight:400;margin-top:4px}
.cross-link i{color:var(--c-primary);font-size:14px;transition:var(--t)}
.cross-link:hover i{transform:translateX(3px)}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:800px;margin:0 auto}
.faq-item{background:#fff;border:1px solid var(--c-line);border-radius:12px;margin-bottom:12px;overflow:hidden;transition:var(--t)}
.faq-item:hover{border-color:rgba(232,85,31,.3)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  min-height:56px;padding:14px 20px;font-size:16px;font-weight:600;color:var(--c-ink);text-align:left;
}
.faq-q i{color:var(--c-primary);font-size:16px;transition:transform .2s ease}
.faq-item.is-open .faq-q i{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .2s ease}
.faq-a-inner{padding:0 20px 18px;font-size:15px;line-height:1.8;color:var(--c-body)}
.faq-item.is-open .faq-a{background:var(--c-primary-soft)}
.faq-item.is-open .faq-a-inner{padding-top:16px}

/* ---------- CTA 条 ---------- */
.cta-band{
  background:var(--c-primary-soft);
  border-top:1px solid var(--c-line);
  border-bottom:1px solid var(--c-line);
  position:relative;overflow:hidden;
}
.cta-band::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:repeating-linear-gradient(135deg,rgba(232,85,31,.06) 0 2px,transparent 2px 8px);
  opacity:.9;
}
.cta-inner{position:relative;z-index:1;text-align:center;padding:64px 0}
.cta-inner h2{font-size:clamp(22px,2.8vw,30px);margin-bottom:14px}
.cta-inner p{color:var(--c-body);max-width:640px;margin:0 auto 26px;font-size:16px}
.cta-actions{display:flex;align-items:center;justify-content:center;gap:14px;flex-wrap:wrap}

/* ---------- 页脚 ---------- */
.site-footer{background:#10261F;color:#C9D4CE;padding:72px 0 0}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px}
.footer-col h4{color:#fff;font-size:16px;margin-bottom:18px;font-weight:700}
.footer-col ul li{margin-bottom:12px}
.footer-col ul a{color:#C9D4CE;font-size:14.5px}
.footer-col ul a:hover{color:var(--c-primary)}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-mark{
  width:36px;height:36px;border-radius:11px;background:linear-gradient(135deg,var(--c-primary) 0%,var(--c-primary) 55%,var(--c-accent) 56%,var(--c-accent) 100%);
  color:#fff;font-weight:800;display:flex;align-items:center;justify-content:center;flex:0 0 36px;
}
.footer-brand b{display:block;color:#fff;font-size:16px}
.footer-brand i{display:block;font-style:normal;font-size:11px;letter-spacing:.12em;color:rgba(201,212,206,.72);margin-top:3px}
.footer-desc{font-size:14px;line-height:1.75;margin-bottom:16px;color:rgba(201,212,206,.88)}
.footer-contact{font-size:14px;margin-bottom:8px}
.footer-contact span{display:inline-block;min-width:44px;color:rgba(201,212,206,.6)}
.footer-cta-box{background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.12);border-radius:14px;padding:20px}
.footer-cta-box p{font-size:14px;line-height:1.75;margin-bottom:16px;color:rgba(201,212,206,.88)}
.footer-bottom{
  margin-top:56px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  padding:22px 0 26px;font-size:13px;color:rgba(201,212,206,.72);
}

/* ---------- 底部固定转化条 ---------- */
.float-bar{
  position:fixed;left:0;right:0;bottom:0;z-index:55;
  background:#10261F;border-left:4px solid var(--c-primary);
  box-shadow:var(--sh-3);
  transform:translateY(110%);opacity:0;transition:transform .28s ease,opacity .28s ease;
}
.float-bar.is-show{transform:translateY(0);opacity:1}
.float-inner{display:flex;align-items:center;justify-content:space-between;gap:18px;height:64px}
.float-text{color:#E9EFEB;font-size:15px;font-weight:600}
.float-actions{display:flex;align-items:center;gap:12px}
.float-close{
  position:absolute;right:12px;top:-14px;width:28px;height:28px;border-radius:50%;
  background:#fff;color:var(--c-ink);font-size:16px;line-height:1;display:flex;align-items:center;justify-content:center;
  box-shadow:var(--sh-2);
}
.float-close:hover{background:var(--c-primary);color:#fff}

/* ---------- 移动抽屉 ---------- */
.nav-mask{
  position:fixed;inset:0;background:rgba(16,38,31,.45);opacity:0;visibility:hidden;transition:var(--t);z-index:70;
}
.nav-mask.is-open{opacity:1;visibility:visible}
.mobile-drawer{
  position:fixed;top:0;right:0;bottom:0;width:280px;background:#fff;z-index:80;
  transform:translateX(105%);transition:transform .28s cubic-bezier(.2,.7,.3,1);
  display:flex;flex-direction:column;padding:22px 20px;overflow-y:auto;
}
.mobile-drawer.is-open{transform:translateX(0)}
.drawer-brand{display:flex;align-items:center;gap:10px;padding-bottom:20px;border-bottom:1px solid var(--c-line)}
.drawer-cta{margin:20px 0 8px}
.drawer-nav li{border-bottom:1px solid var(--c-line)}
.drawer-nav a{display:flex;align-items:center;height:48px;font-size:16px;color:var(--c-body)}
.drawer-nav a.active{color:var(--c-primary);font-weight:700}
.drawer-foot{margin-top:auto;padding-top:22px;font-size:13px;color:var(--c-muted);line-height:1.8}

/* ---------- 响应式 ---------- */
@media (max-width:1023px){
  :root{--sp-section:64px}
  .container{padding:0 24px}
  .main-nav,.nav-cta{display:none}
  .nav-toggle{display:flex}
  .intro-grid,.prep-grid{grid-template-columns:1fr;gap:28px}
  .prep-grid .prep-media{order:2}
  .entry-grid{grid-template-columns:1fr 1fr}
  .cross-links{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .page-hero-inner{min-height:200px}
  body{padding-bottom:72px}
  .float-inner{height:60px;gap:12px}
  .float-text{font-size:14px}
}
@media (max-width:639px){
  :root{--sp-section:52px}
  .container{padding:0 18px}
  .topbar-right .hide-small{display:none}
  .page-hero-inner{min-height:auto;padding:30px 0 34px}
  .hero-arc{display:none}
  .intro-grid,.prep-grid{grid-template-columns:1fr}
  .entry-grid{grid-template-columns:1fr}
  .step-item{grid-template-columns:44px 1fr;gap:14px;padding:20px 12px}
  .step-num{width:44px;height:44px;font-size:17px}
  .footer-grid{grid-template-columns:1fr;gap:32px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px}
  .cta-inner{padding:48px 0}
  .section-head-row{flex-direction:column;align-items:flex-start;gap:12px}
  .float-inner{flex-direction:row;padding-right:36px}
  .float-text{display:none}
  .float-actions .btn{width:100%}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important}
}

/* roulang page: article */
:root{
  --c-primary:#E8551F;
  --c-primary-dark:#C33F10;
  --c-primary-soft:#FFF0E8;
  --c-ink:#14201B;
  --c-accent:#0E7C5A;
  --c-bg:#FAF8F4;
  --c-surface:#FFFFFF;
  --c-line:#E4DED4;
  --c-muted:#6B726C;
  --c-body:#2B3631;
  --c-highlight:#FFC24B;
  --shell:#10261F;
  --sh-1:0 1px 2px rgba(20,32,27,.06);
  --sh-2:0 12px 30px -14px rgba(20,32,27,.20);
  --sh-3:0 20px 46px -18px rgba(232,85,31,.28);
  --r-btn:10px;
  --r-card:16px;
  --r-img:14px;
  --ease:cubic-bezier(.2,.7,.3,1);
}
*,*::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,Arial,sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--c-body);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto;}
a{color:var(--c-primary);text-decoration:none;transition:color .18s var(--ease),background-color .18s var(--ease),border-color .18s var(--ease);}
a:hover{color:var(--c-primary-dark);}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,h5,h6{margin:0;color:var(--c-ink);font-weight:700;line-height:1.35;}
p{margin:0;}
button{font-family:inherit;font-size:inherit;color:inherit;background:none;border:0;cursor:pointer;}
input,textarea,select{font-family:inherit;font-size:inherit;}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:3px;box-shadow:0 0 0 3px var(--c-primary-soft);border-radius:4px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px;}
.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;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 26px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;letter-spacing:.01em;
  border:1.5px solid transparent;white-space:nowrap;
  transition:all .18s var(--ease);
}
.btn i{font-size:14px;}
.btn-primary{background:var(--c-primary);color:#fff;box-shadow:0 1px 2px rgba(20,32,27,.08);}
.btn-primary:hover{background:var(--c-primary-dark);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-3);}
.btn-primary:active{transform:translateY(0);box-shadow:var(--sh-1);}
.btn-outline{background:#fff;color:var(--c-primary);border-color:var(--c-primary);}
.btn-outline:hover{background:var(--c-primary-soft);color:var(--c-primary-dark);border-color:var(--c-primary-dark);}
.btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.7);}
.btn-ghost:hover{background:rgba(255,255,255,.12);color:#fff;border-color:#fff;}
.btn-sm{height:40px;padding:0 18px;font-size:14px;}
.btn-block{width:100%;}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--c-primary);}
.link-arrow i{font-size:12px;transition:transform .18s var(--ease);}
.link-arrow:hover i{transform:translateX(3px);}

/* ---------- 标签 / 徽章 ---------- */
.badge{display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:999px;font-size:12px;font-weight:600;background:var(--c-primary-soft);color:var(--c-primary-dark);}
.badge-accent{background:var(--c-accent);color:#fff;}
.tag{display:inline-flex;align-items:center;height:30px;padding:0 14px;border-radius:999px;background:#F1EEE8;color:#4A544E;font-size:13px;transition:all .18s var(--ease);}
.tag:hover{background:var(--c-primary);color:#fff;}

/* ---------- 顶部信息条 ---------- */
.topbar{background:var(--shell);color:#C9D4CE;height:36px;line-height:36px;font-size:13px;}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;height:36px;}
.topbar-left{display:flex;align-items:center;gap:14px;min-width:0;}
.topbar-domain{color:#fff;font-weight:600;letter-spacing:.02em;}
.topbar-tip{color:#9FB0A8;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.topbar-right{display:flex;align-items:center;gap:14px;}
.topbar-right a{color:#C9D4CE;font-size:13px;}
.topbar-right a:hover{color:var(--c-primary);}
.topbar-sep{width:1px;height:12px;background:rgba(255,255,255,.22);display:inline-block;}

/* ---------- 主导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:50;background:#fff;
  border-bottom:1px solid var(--c-line);
  transition:background-color .2s var(--ease),box-shadow .2s var(--ease);
}
.site-header.is-stuck{background:rgba(255,255,255,.96);backdrop-filter:blur(8px);box-shadow:var(--sh-2);}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:72px;gap:24px;}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:36px;height:36px;border-radius:10px;flex:0 0 36px;
  display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,var(--c-primary) 0%,#F2793F 55%,var(--c-accent) 130%);
  color:#fff;font-size:18px;font-weight:800;
}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-name{font-size:16px;font-weight:800;color:var(--c-ink);letter-spacing:.01em;}
.brand-sub{font-size:11px;letter-spacing:.12em;color:var(--c-muted);}
.main-nav ul{display:flex;align-items:center;gap:28px;}
.main-nav a{
  position:relative;display:inline-block;padding:6px 0;
  font-size:16px;font-weight:500;color:#39443E;
}
.main-nav a::after{
  content:'';position:absolute;left:0;bottom:0;width:0;height:2px;
  background:var(--c-primary);border-radius:2px;transition:width .18s var(--ease);
}
.main-nav a:hover{color:var(--c-primary);}
.main-nav a:hover::after{width:60%;}
.main-nav a.active{color:var(--c-primary);font-weight:600;}
.main-nav a.active::after{width:60%;}
.nav-cta{flex:0 0 auto;}
.nav-cta .btn{width:auto;min-width:128px;}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:10px;
  flex-direction:column;align-items:center;justify-content:center;gap:6px;
  border:1px solid var(--c-line);background:#fff;
}
.nav-toggle span{display:block;width:20px;height:2px;background:var(--c-ink);border-radius:2px;transition:transform .22s var(--ease),opacity .22s var(--ease);}
.nav-toggle.is-open span:first-child{transform:translateY(4px) rotate(45deg);}
.nav-toggle.is-open span:last-child{transform:translateY(-4px) rotate(-45deg);}

/* ---------- 移动抽屉 ---------- */
.nav-drawer{
  position:fixed;top:0;right:0;bottom:0;width:280px;z-index:80;
  background:#fff;box-shadow:-16px 0 40px -20px rgba(20,32,27,.4);
  transform:translateX(100%);transition:transform .28s var(--ease);
  padding:22px 20px;display:flex;flex-direction:column;gap:18px;overflow-y:auto;
}
.nav-drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;gap:10px;padding-bottom:16px;border-bottom:1px solid var(--c-line);}
.drawer-head .brand-mark{width:32px;height:32px;flex:0 0 32px;font-size:16px;border-radius:9px;}
.drawer-head .brand-name{font-size:15px;}
.drawer-nav li{border-bottom:1px solid var(--c-line);}
.drawer-nav a{display:flex;align-items:center;height:48px;font-size:15px;color:#39443E;font-weight:500;}
.drawer-nav a:hover{color:var(--c-primary);}
.drawer-foot{margin-top:auto;font-size:13px;color:var(--c-muted);line-height:2;}
.nav-overlay{
  position:fixed;inset:0;background:rgba(16,38,31,.45);z-index:70;
  opacity:0;visibility:hidden;transition:opacity .25s var(--ease),visibility .25s var(--ease);
}
.nav-overlay.is-open{opacity:1;visibility:visible;}

/* ---------- 文章头部 ---------- */
.article-hero{
  background:linear-gradient(180deg,#FFFFFF 0%,#FBF9F5 100%);
  border-bottom:1px solid var(--c-line);
  padding:34px 0 40px;position:relative;overflow:hidden;
}
.article-hero::after{
  content:'';position:absolute;right:-60px;top:-40px;width:320px;height:200px;
  background:repeating-linear-gradient(135deg,rgba(232,85,31,.06) 0 2px,transparent 2px 8px);
  transform:rotate(-6deg);pointer-events:none;
}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:14px;color:var(--c-muted);margin-bottom:18px;}
.breadcrumb a{color:var(--c-muted);}
.breadcrumb a:hover{color:var(--c-primary);}
.breadcrumb .sep{color:#BFC7C1;}
.breadcrumb .current{color:var(--c-ink);font-weight:500;max-width:420px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.article-hero h1{
  font-size:clamp(26px,3.6vw,40px);font-weight:800;line-height:1.32;color:var(--c-ink);
  max-width:880px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:12px;margin-top:18px;font-size:13px;color:var(--c-muted);}
.article-meta .dot{width:1px;height:12px;background:var(--c-line);display:inline-block;}
.article-meta .meta-cat{display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:999px;background:var(--c-primary-soft);color:var(--c-primary-dark);font-weight:600;font-size:12px;}

/* ---------- 文章双栏 ---------- */
.article-wrap{padding:48px 0 88px;}
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 318px;gap:40px;align-items:start;}
.article-main{min-width:0;background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);box-shadow:var(--sh-1);padding:38px 40px 34px;}
.article-content{max-width:760px;font-size:17px;line-height:1.85;color:var(--c-body);}
.article-content > *:first-child{margin-top:0;}
.article-content p{margin:0 0 18px;}
.article-content h2{
  position:relative;font-size:24px;font-weight:700;color:var(--c-ink);
  margin:44px 0 16px;padding-left:14px;scroll-margin-top:96px;
}
.article-content h2::before{content:'';position:absolute;left:0;top:7px;width:4px;height:22px;border-radius:2px;background:var(--c-primary);}
.article-content h3{font-size:19px;font-weight:600;color:var(--c-ink);margin:32px 0 12px;scroll-margin-top:96px;}
.article-content h4{font-size:17px;font-weight:600;color:var(--c-ink);margin:24px 0 10px;}
.article-content ul{margin:0 0 18px;}
.article-content ul li{position:relative;padding-left:20px;margin-bottom:10px;}
.article-content ul li::before{content:'';position:absolute;left:2px;top:13px;width:6px;height:6px;border-radius:50%;background:var(--c-primary);}
.article-content ol{counter-reset:item;margin:0 0 18px;}
.article-content ol li{position:relative;padding-left:30px;margin-bottom:10px;counter-increment:item;}
.article-content ol li::before{
  content:counter(item);position:absolute;left:0;top:4px;width:20px;height:20px;border-radius:50%;
  background:var(--c-primary-soft);color:var(--c-primary-dark);font-size:12px;font-weight:700;
  display:flex;align-items:center;justify-content:center;line-height:1;
}
.article-content blockquote{
  margin:24px 0;padding:18px 22px;background:var(--c-primary-soft);
  border-left:4px solid var(--c-primary);border-radius:0 12px 12px 0;color:#46514B;
}
.article-content blockquote p:last-child{margin-bottom:0;}
.article-content img{border-radius:12px;margin:24px auto;}
.article-content figure{margin:24px 0;}
.article-content figcaption{font-size:13px;color:var(--c-muted);text-align:center;margin-top:10px;}
.article-content a{color:var(--c-primary);border-bottom:1px solid rgba(232,85,31,.4);}
.article-content a:hover{color:var(--c-primary-dark);border-bottom-color:var(--c-primary-dark);}
.article-content table{width:100%;border-collapse:collapse;margin:24px 0;font-size:15px;overflow:hidden;border-radius:12px;}
.article-content th{background:var(--c-ink);color:#fff;padding:12px 16px;text-align:left;font-weight:600;}
.article-content td{padding:12px 16px;border-bottom:1px solid var(--c-line);}
.article-content tbody tr:nth-child(even){background:#FAF8F4;}
.article-content hr{border:0;border-top:1px dashed var(--c-line);margin:34px 0;}
.article-content strong{color:var(--c-ink);font-weight:700;}

/* ---------- 空态 ---------- */
.empty-state{
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;
  min-height:260px;padding:36px 24px;border:1px dashed var(--c-line);border-radius:16px;background:#FCFBF8;text-align:center;
}
.empty-state i{font-size:40px;color:#C9CFC9;}
.empty-state p{font-size:16px;color:var(--c-muted);}

/* ---------- 标签行 / 底部操作 ---------- */
.article-tags{display:flex;flex-wrap:wrap;gap:10px;margin:36px 0 0;padding-top:24px;border-top:1px dashed var(--c-line);}
.article-foot{display:flex;flex-wrap:wrap;gap:14px;margin-top:26px;}

/* ---------- 侧栏 ---------- */
.article-side{display:flex;flex-direction:column;gap:20px;position:sticky;top:96px;}
.side-card{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);box-shadow:var(--sh-1);padding:22px;}
.side-card h4{font-size:16px;font-weight:600;margin-bottom:14px;display:flex;align-items:center;gap:8px;}
.side-card h4::before{content:'';width:4px;height:16px;border-radius:2px;background:var(--c-primary);}
.toc-list li{border-bottom:1px solid #F1EEE8;}
.toc-list li:last-child{border-bottom:0;}
.toc-list a{
  display:block;padding:10px 0 10px 12px;font-size:14px;color:#4A544E;line-height:1.6;
  border-left:3px solid transparent;transition:all .18s var(--ease);
}
.toc-list a:hover{color:var(--c-primary);border-left-color:rgba(232,85,31,.4);background:#FCFBF8;}
.toc-list a.is-current{color:var(--c-primary-dark);border-left-color:var(--c-primary);font-weight:600;background:var(--c-primary-soft);}
.toc-list li.toc-sub a{padding-left:24px;font-size:13px;color:var(--c-muted);}
.side-empty{font-size:14px;color:var(--c-muted);padding:10px 0;line-height:1.7;}
.entry-list li{border-bottom:1px solid #F1EEE8;}
.entry-list li:last-child{border-bottom:0;}
.entry-list a{display:flex;align-items:center;justify-content:space-between;height:44px;font-size:14px;color:#4A544E;gap:10px;}
.entry-list a:hover{color:var(--c-primary);}
.entry-list i{font-size:12px;color:#BFC7C1;transition:transform .18s var(--ease);}
.entry-list a:hover i{transform:translateX(3px);color:var(--c-primary);}

/* ---------- 相关推荐 ---------- */
.related{padding:0 0 88px;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:28px;}
.section-head h2{font-size:clamp(22px,2.6vw,30px);font-weight:700;color:var(--c-ink);}
.section-head .sub{margin-top:8px;font-size:15px;color:var(--c-muted);}
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.card{
  display:flex;flex-direction:column;background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1);
  transition:transform .18s var(--ease),box-shadow .18s var(--ease),border-color .18s var(--ease);
}
.card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:rgba(232,85,31,.35);}
.card-thumb{position:relative;overflow:hidden;aspect-ratio:16/9;background:#F1EEE8;}
.card-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s var(--ease);}
.card:hover .card-thumb img{transform:scale(1.04);}
.card-body{padding:20px 20px 22px;display:flex;flex-direction:column;gap:10px;flex:1;}
.card-body h3{
  font-size:17px;font-weight:600;line-height:1.55;color:var(--c-ink);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.card:hover .card-body h3{color:var(--c-primary);}
.card-body p{
  font-size:14px;color:var(--c-muted);line-height:1.75;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.card-meta{display:flex;align-items:center;gap:10px;margin-top:auto;font-size:13px;color:var(--c-muted);font-variant-numeric:tabular-nums;}
.card-meta .dot{width:1px;height:11px;background:var(--c-line);}

/* ---------- FAQ ---------- */
.faq-section{padding:0 0 88px;}
.faq-box{max-width:800px;margin:0 auto;}
.accordion{border:0;background:transparent;margin:0;}
.accordion-item{background:#fff;border:1px solid var(--c-line);border-radius:12px;margin-bottom:12px;overflow:hidden;box-shadow:var(--sh-1);}
.accordion-title{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  min-height:56px;padding:14px 20px;font-size:16px;font-weight:600;color:var(--c-ink);
  background:#fff;border:0;line-height:1.6;transition:color .18s var(--ease);
}
.accordion-title:hover{color:var(--c-primary);}
.accordion-title::before{
  content:'+';order:2;font-size:20px;font-weight:400;color:var(--c-primary);
  line-height:1;transition:transform .2s var(--ease);margin-left:auto;
}
.accordion-item.is-active .accordion-title{color:var(--c-primary-dark);}
.accordion-item.is-active .accordion-title::before{content:'+';transform:rotate(45deg);}
.accordion-content{background:var(--c-primary-soft);border:0;padding:16px 20px;font-size:15px;line-height:1.8;color:#43514A;}
.accordion-content p{margin:0;}
.accordion-content[aria-hidden="true"]{display:none;}

/* ---------- CTA 条 ---------- */
.cta-band{
  background:linear-gradient(100deg,#10261F 0%,#17372C 65%,#1C4636 100%);
  padding:56px 0;position:relative;overflow:hidden;
}
.cta-band::after{
  content:'';position:absolute;right:-80px;bottom:-70px;width:340px;height:180px;
  background:repeating-linear-gradient(135deg,rgba(232,85,31,.10) 0 2px,transparent 2px 8px);
  transform:rotate(-8deg);pointer-events:none;
}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:32px;position:relative;z-index:1;}
.cta-inner h2{font-size:clamp(20px,2.4vw,26px);font-weight:700;color:#fff;line-height:1.45;}
.cta-inner p{margin-top:10px;font-size:15px;color:rgba(255,255,255,.78);max-width:620px;line-height:1.8;}
.cta-actions{display:flex;gap:14px;flex:0 0 auto;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--shell);color:#C9D4CE;padding:64px 0 0;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;}
.footer-col h4{color:#fff;font-size:15px;font-weight:600;margin-bottom:16px;letter-spacing:.02em;}
.footer-col ul li a{display:inline-block;padding:5px 0;font-size:14px;color:#C9D4CE;}
.footer-col ul li a:hover{color:var(--c-primary);}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.footer-mark{
  width:32px;height:32px;border-radius:9px;flex:0 0 32px;
  display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,var(--c-primary) 0%,var(--c-accent) 130%);
  color:#fff;font-size:16px;font-weight:800;border-radius:9px;
}
.footer-brand b{display:block;color:#fff;font-size:15px;font-weight:700;line-height:1.3;}
.footer-brand i{display:block;font-style:normal;font-size:11px;letter-spacing:.12em;color:#8CA096;}
.footer-desc{font-size:14px;line-height:1.85;color:#9FB0A8;margin-bottom:16px;max-width:320px;}
.footer-contact{font-size:13px;color:#9FB0A8;display:flex;gap:10px;line-height:2;}
.footer-contact span{color:#6E8177;flex:0 0 32px;}
.footer-cta-box{border:1px solid rgba(255,255,255,.12);border-radius:14px;padding:18px;background:rgba(255,255,255,.03);}
.footer-cta-box p{font-size:13px;line-height:1.8;color:#9FB0A8;margin-bottom:14px;}
.footer-bottom{
  margin-top:48px;border-top:1px solid rgba(255,255,255,.12);
  padding:22px 0 26px;display:flex;align-items:center;justify-content:space-between;gap:16px;
  font-size:13px;color:#8CA096;flex-wrap:wrap;
}

/* ---------- 底部固定转化条 ---------- */
.sticky-cta{
  position:fixed;left:0;right:0;bottom:0;z-index:60;
  background:#10261F;border-left:4px solid var(--c-primary);
  box-shadow:0 -10px 30px -16px rgba(20,32,27,.5);
  transform:translateY(120%);transition:transform .32s var(--ease);
}
.sticky-cta.is-visible{transform:translateY(0);}
.sticky-inner{display:flex;align-items:center;gap:18px;height:64px;}
.sticky-inner p{font-size:15px;color:#DDE5E0;flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.sticky-dot{width:8px;height:8px;border-radius:50%;background:var(--c-primary);flex:0 0 8px;box-shadow:0 0 0 4px rgba(232,85,31,.22);}
.sticky-close{
  position:absolute;right:8px;top:-14px;width:28px;height:28px;border-radius:50%;
  background:#fff;border:1px solid var(--c-line);color:var(--c-muted);
  display:flex;align-items:center;justify-content:center;font-size:16px;line-height:1;
  box-shadow:var(--sh-1);transition:all .18s var(--ease);
}
.sticky-close:hover{color:var(--c-primary);border-color:var(--c-primary);}

/* ---------- 响应式 ---------- */
@media (max-width:1023px){
  .container{padding:0 24px;}
  .main-nav{display:none;}
  .nav-cta{display:none;}
  .nav-toggle{display:flex;}
  .topbar-tip{display:none;}
  .article-layout{grid-template-columns:1fr;gap:28px;}
  .article-side{position:static;order:2;}
  .article-main{padding:30px 26px;}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .cta-inner{flex-direction:column;align-items:flex-start;}
  .article-wrap{padding:36px 0 64px;}
  .related,.faq-section{padding-bottom:64px;}
  body{padding-bottom:72px;}
  .sticky-cta{transform:translateY(0);}
  .sticky-inner{height:60px;gap:12px;}
  .sticky-inner p{font-size:13px;}
  .sticky-inner .btn{flex:0 0 auto;}
}
@media (max-width:767px){
  .container{padding:0 18px;}
  .article-hero{padding:24px 0 30px;}
  .article-main{padding:24px 18px;border-radius:14px;}
  .article-content{font-size:16px;}
  .article-content h2{font-size:21px;margin-top:34px;}
  .article-content h3{font-size:18px;}
  .card-grid{grid-template-columns:1fr;gap:14px;}
  .footer-grid{grid-template-columns:1fr;gap:32px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px;}
  .cta-actions{width:100%;flex-direction:column;}
  .cta-actions .btn{width:100%;}
  .sticky-cta .container{display:flex;}
  .sticky-inner .btn{padding:0 14px;font-size:13px;height:38px;}
  .sticky-dot{display:none;}
  .breadcrumb .current{max-width:200px;}
  .article-foot .btn{width:100%;}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;transition-duration:.001ms !important;}
}

/* roulang page: category2 */
:root{
  --c-primary:#E8551F;
  --c-primary-dark:#C33F10;
  --c-primary-soft:#FFF0E8;
  --c-ink:#14201B;
  --c-accent:#0E7C5A;
  --c-bg:#FAF8F4;
  --c-surface:#FFFFFF;
  --c-line:#E4DED4;
  --c-muted:#6B726C;
  --c-body:#2B3631;
  --c-highlight:#FFC24B;
  --sh-1:0 1px 2px rgba(20,32,27,.06);
  --sh-2:0 12px 30px -14px rgba(20,32,27,.20);
  --sh-3:0 20px 46px -18px rgba(232,85,31,.28);
  --r-btn:10px;
  --r-card:16px;
  --r-img:14px;
  --font:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.8;
  color:var(--c-body);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{margin:0;color:var(--c-ink);line-height:1.35;}
h1{font-size:clamp(30px,4.4vw,46px);font-weight:800;line-height:1.28;}
h2{font-size:clamp(24px,3vw,34px);font-weight:700;}
h3{font-size:20px;font-weight:600;line-height:1.5;}
h4{font-size:17px;font-weight:600;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
img{display:block;max-width:100%;height:auto;}
a{color:var(--c-primary);text-decoration:none;transition:color .18s cubic-bezier(.2,.7,.3,1);}
a:hover{color:var(--c-primary-dark);}
button{font:inherit;color:inherit;border:0;background:none;cursor:pointer;}
input,textarea,select{font:inherit;}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;box-shadow:0 0 0 3px var(--c-primary-soft);}
.container{max-width:1200px;margin:0 auto;padding-left:32px;padding-right:32px;}

/* ---------- 顶部信息条 ---------- */
.topbar{background:#10261F;color:#FFFFFF;}
.topbar-inner{height:36px;display:flex;align-items:center;justify-content:space-between;font-size:13px;line-height:36px;}
.topbar-left{display:flex;align-items:center;gap:16px;color:rgba(255,255,255,.78);}
.topbar-domain{font-weight:600;color:#FFFFFF;letter-spacing:.02em;}
.topbar-hint{color:rgba(255,255,255,.62);}
.topbar-right{display:flex;align-items:center;gap:14px;}
.topbar-right a{color:rgba(255,255,255,.82);font-size:13px;}
.topbar-right a:hover{color:var(--c-primary);}
.topbar-right a+a{border-left:1px solid rgba(255,255,255,.24);padding-left:14px;}

/* ---------- 主导航 ---------- */
.site-header{
  background:#FFFFFF;
  border-bottom:1px solid var(--c-line);
  position:sticky;
  top:0;
  z-index:60;
  transition:box-shadow .18s cubic-bezier(.2,.7,.3,1),background .18s cubic-bezier(.2,.7,.3,1);
}
.site-header.is-stuck{box-shadow:var(--sh-2);background:rgba(255,255,255,.96);backdrop-filter:blur(8px);}
.nav-inner{height:72px;display:flex;align-items:center;justify-content:space-between;gap:24px;}
.brand{display:flex;align-items:center;gap:10px;color:inherit;}
.brand:hover{color:inherit;}
.brand-mark{
  width:36px;height:36px;flex:0 0 36px;border-radius:10px;
  display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,var(--c-primary) 0%,var(--c-primary-dark) 100%);
  color:#fff;font-size:18px;font-weight:800;
  box-shadow:0 6px 16px -8px rgba(232,85,31,.7);
}
.brand-text{display:flex;flex-direction:column;line-height:1.2;}
.brand-name{font-size:16px;font-weight:700;color:var(--c-ink);letter-spacing:.01em;}
.brand-sub{font-size:11px;letter-spacing:.12em;color:var(--c-muted);}
.main-nav ul{display:flex;align-items:center;gap:28px;}
.main-nav a{
  position:relative;
  display:inline-block;
  font-size:16px;
  font-weight:500;
  color:var(--c-ink);
  padding:4px 0;
}
.main-nav a::after{
  content:"";position:absolute;left:50%;bottom:-2px;width:0;height:2px;
  background:var(--c-primary);transform:translateX(-50%);
  transition:width .18s cubic-bezier(.2,.7,.3,1);
}
.main-nav a:hover{color:var(--c-primary);}
.main-nav a:hover::after{width:60%;}
.main-nav a.active{color:var(--c-primary);font-weight:600;}
.main-nav a.active::after{width:60%;}
.nav-cta{display:flex;align-items:center;}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:10px;
  align-items:center;justify-content:center;flex-direction:column;gap:6px;
}
.nav-toggle span{display:block;width:24px;height:2px;background:var(--c-ink);border-radius:2px;transition:transform .2s ease,opacity .2s ease;}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(4px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] span:nth-child(2){transform:translateY(-4px) rotate(-45deg);}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 26px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;white-space:nowrap;
  transition:all .18s cubic-bezier(.2,.7,.3,1);
}
.btn-primary{background:var(--c-primary);color:#fff;box-shadow:0 10px 24px -14px rgba(232,85,31,.9);}
.btn-primary:hover{background:var(--c-primary-dark);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-3);}
.btn-primary:active{transform:translateY(0);}
.btn-outline{background:#fff;color:var(--c-primary);border:1.5px solid var(--c-primary);}
.btn-outline:hover{background:var(--c-primary-soft);color:var(--c-primary-dark);}
.btn-ghost{background:transparent;color:#fff;border:1.5px solid rgba(255,255,255,.7);}
.btn-ghost:hover{background:rgba(255,255,255,.12);color:#fff;border-color:#fff;}
.btn-sm{height:40px;padding:0 18px;font-size:14px;}
.btn-block{width:100%;}
.text-link{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--c-primary);}
.text-link i{font-style:normal;transition:transform .18s cubic-bezier(.2,.7,.3,1);}
.text-link:hover i{transform:translateX(3px);}

/* ---------- 页头带（浅色 + 右侧出血图） ---------- */
.page-head{background:var(--c-bg);border-bottom:1px solid var(--c-line);overflow:hidden;}
.page-head-inner{
  display:grid;grid-template-columns:minmax(0,1fr) 440px;gap:56px;align-items:center;
  padding-top:58px;padding-bottom:58px;
}
.crumb{font-size:14px;color:var(--c-muted);margin-bottom:16px;}
.crumb a{color:var(--c-muted);}
.crumb a:hover{color:var(--c-primary);}
.crumb span{color:var(--c-muted);margin:0 6px;}
.page-head h1{
  position:relative;padding-left:18px;color:var(--c-ink);
  font-size:clamp(30px,3.4vw,42px);
}
.page-head h1::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:4px;height:38px;border-radius:2px;background:var(--c-primary);
}
.page-head-sub{margin-top:18px;font-size:17px;color:var(--c-body);max-width:620px;}
.page-head-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px;}
.tag{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:999px;
  background:var(--c-primary-soft);color:var(--c-primary-dark);font-size:12px;font-weight:600;
}
.page-head-media{position:relative;height:320px;border-radius:var(--r-img);overflow:hidden;box-shadow:var(--sh-2);}
.page-head-media img{width:100%;height:100%;object-fit:cover;}
.page-head-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(20,32,27,0) 55%,rgba(20,32,27,.35) 100%);
}
@media (min-width:1024px){
  .page-head-media{margin-right:calc(-1 * max(32px,(100vw - 1200px) / 2 + 32px));border-radius:14px 0 0 14px;}
}

/* ---------- 通用板块 ---------- */
.section{padding:88px 0;}
.section-alt{background:#FFFFFF;border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line);}
.section-head{max-width:760px;margin-bottom:44px;}
.section-head h2{margin-bottom:14px;}
.section-head p{color:var(--c-muted);font-size:16px;}
.eyebrow{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;margin-bottom:16px;
  border-radius:999px;background:var(--c-primary-soft);color:var(--c-primary-dark);
  font-size:12px;font-weight:700;letter-spacing:.08em;
}
.eyebrow-light{background:rgba(255,255,255,.14);color:#fff;}

/* ---------- 矩阵卡 ---------- */
.matrix-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.matrix-card{
  position:relative;display:flex;flex-direction:column;
  min-height:196px;padding:28px 24px 22px;overflow:hidden;
  background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-card);box-shadow:var(--sh-1);
  transition:all .18s cubic-bezier(.2,.7,.3,1);
}
.matrix-card::before{content:"";position:absolute;left:0;top:0;width:100%;height:3px;background:var(--c-primary);}
.matrix-card:hover{background:var(--c-primary-soft);border-color:rgba(232,85,31,.3);transform:translateY(-4px);box-shadow:var(--sh-2);}
.matrix-num{
  font-size:13px;font-weight:800;color:var(--c-primary);
  letter-spacing:.1em;font-variant-numeric:tabular-nums;margin-bottom:12px;
}
.matrix-card h3{font-size:19px;margin-bottom:10px;}
.matrix-card p{font-size:15px;color:var(--c-muted);line-height:1.75;margin-bottom:16px;}
.matrix-card .text-link{margin-top:auto;}

/* ---------- 图文分栏 ---------- */
.split{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:56px;align-items:center;}
.split-media{border-radius:var(--r-img);overflow:hidden;box-shadow:var(--sh-2);aspect-ratio:16/10;background:#F1EEE8;}
.split-media img{width:100%;height:100%;object-fit:cover;transition:transform .4s cubic-bezier(.2,.7,.3,1);}
.split-media:hover img{transform:scale(1.04);}
.split-text h2{margin-bottom:16px;}
.split-text p{color:var(--c-body);font-size:16px;}
.split-text p+p{margin-top:14px;}
.point-list{margin-top:22px;display:grid;gap:12px;}
.point-list li{display:flex;gap:12px;font-size:15px;color:var(--c-body);}
.point-list li::before{
  content:"";flex:0 0 6px;width:6px;height:6px;border-radius:50%;
  background:var(--c-primary);margin-top:11px;
}
.split-actions{margin-top:28px;display:flex;gap:14px;flex-wrap:wrap;}

/* ---------- 深色场景区 ---------- */
.section-dark{background:var(--c-ink);color:rgba(255,255,255,.82);border-top:1px solid rgba(255,255,255,.1);}
.section-dark h2,.section-dark h3{color:#fff;}
.section-dark .split-text p{color:rgba(255,255,255,.78);}
.dark-media{border-radius:var(--r-img);overflow:hidden;aspect-ratio:16/10;border:1px solid rgba(255,255,255,.14);}
.dark-media img{width:100%;height:100%;object-fit:cover;}
.check-list{margin-top:24px;display:grid;gap:14px;}
.check-list li{
  display:flex;gap:12px;font-size:15px;color:rgba(255,255,255,.82);
  padding-bottom:14px;border-bottom:1px solid rgba(255,255,255,.12);
}
.check-list li:last-child{border-bottom:0;padding-bottom:0;}
.check-list li span{
  flex:0 0 20px;width:20px;height:20px;border-radius:50%;
  background:rgba(232,85,31,.2);color:var(--c-primary);
  font-size:12px;line-height:20px;text-align:center;margin-top:5px;font-weight:700;
}
.dark-actions{margin-top:30px;display:flex;gap:14px;flex-wrap:wrap;}

/* ---------- 步骤流程 ---------- */
.step-list{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px;}
.step-item{
  position:relative;padding:26px 22px;
  background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-card);box-shadow:var(--sh-1);
  transition:all .18s cubic-bezier(.2,.7,.3,1);
}
.step-item:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(232,85,31,.3);}
.step-num{
  display:inline-flex;align-items:center;justify-content:center;
  width:44px;height:44px;border-radius:50%;
  background:var(--c-primary-soft);color:var(--c-primary-dark);
  font-size:15px;font-weight:800;font-variant-numeric:tabular-nums;margin-bottom:16px;
}
.step-item h3{font-size:18px;margin-bottom:10px;}
.step-item p{font-size:14px;color:var(--c-muted);line-height:1.75;}

/* ---------- 折叠说明区 ---------- */
.fold-box{
  background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-card);box-shadow:var(--sh-1);overflow:hidden;
}
.fold-head{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:22px 26px;font-size:17px;font-weight:600;color:var(--c-ink);text-align:left;
}
.fold-head:hover{background:var(--c-primary-soft);}
.fold-icon{
  position:relative;flex:0 0 20px;width:20px;height:20px;
  transition:transform .2s cubic-bezier(.2,.7,.3,1);
}
.fold-icon::before,.fold-icon::after{
  content:"";position:absolute;left:50%;top:50%;background:var(--c-primary);border-radius:2px;
}
.fold-icon::before{width:14px;height:2px;transform:translate(-50%,-50%);}
.fold-icon::after{width:2px;height:14px;transform:translate(-50%,-50%);}
.fold-head[aria-expanded="true"] .fold-icon{transform:rotate(45deg);}
.fold-body{max-height:0;overflow:hidden;transition:max-height .24s cubic-bezier(.2,.7,.3,1);}
.fold-body-inner{padding:0 26px 26px;border-top:1px solid var(--c-line);}
.fold-body-inner p{font-size:15px;color:var(--c-body);line-height:1.85;padding-top:16px;}
.fold-body-inner ul{margin-top:14px;display:grid;gap:10px;}
.fold-body-inner li{display:flex;gap:10px;font-size:15px;color:var(--c-muted);}
.fold-body-inner li::before{content:"";flex:0 0 6px;width:6px;height:6px;border-radius:50%;background:var(--c-accent);margin-top:10px;}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:800px;margin:0 auto;display:grid;gap:12px;}
.faq-item{background:var(--c-surface);border:1px solid var(--c-line);border-radius:12px;box-shadow:var(--sh-1);overflow:hidden;}
.faq-q{
  width:100%;min-height:56px;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:14px 22px;font-size:16px;font-weight:600;color:var(--c-ink);text-align:left;
}
.faq-q:hover{color:var(--c-primary);}
.faq-mark{position:relative;flex:0 0 20px;width:20px;height:20px;transition:transform .2s cubic-bezier(.2,.7,.3,1);}
.faq-mark::before,.faq-mark::after{content:"";position:absolute;left:50%;top:50%;background:var(--c-primary);border-radius:2px;}
.faq-mark::before{width:14px;height:2px;transform:translate(-50%,-50%);}
.faq-mark::after{width:2px;height:14px;transform:translate(-50%,-50%);}
.faq-q[aria-expanded="true"] .faq-mark{transform:rotate(45deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .22s cubic-bezier(.2,.7,.3,1);}
.faq-a-inner{padding:16px 22px;background:var(--c-primary-soft);font-size:15px;line-height:1.8;color:var(--c-body);}

/* ---------- CTA 条 ---------- */
.cta-band{
  background:var(--c-primary-soft);
  background-image:repeating-linear-gradient(135deg,rgba(232,85,31,.06) 0 2px,transparent 2px 8px);
  border-top:1px solid var(--c-line);
  padding:64px 0;
}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;}
.cta-inner h2{font-size:clamp(22px,2.6vw,30px);margin-bottom:10px;}
.cta-inner p{color:var(--c-body);font-size:16px;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;}

/* ---------- 页脚 ---------- */
.site-footer{background:#10261F;color:#C9D4CE;padding:72px 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;margin-bottom:18px;}
.footer-mark{
  width:34px;height:34px;border-radius:10px;flex:0 0 34px;
  display:flex;align-items:center;justify-content:center;
  background:var(--c-primary);color:#fff;font-size:17px;font-weight:800;
}
.footer-brand b{display:block;color:#fff;font-size:16px;font-weight:700;line-height:1.3;}
.footer-brand i{display:block;font-style:normal;font-size:11px;letter-spacing:.12em;color:rgba(255,255,255,.5);}
.footer-desc{font-size:14px;line-height:1.8;color:rgba(255,255,255,.66);margin-bottom:18px;}
.footer-contact{font-size:14px;color:rgba(255,255,255,.7);margin-bottom:8px;}
.footer-contact span{
  display:inline-block;min-width:44px;color:rgba(255,255,255,.42);margin-right:8px;font-size:13px;
}
.footer-col h4{color:#fff;font-size:16px;margin-bottom:20px;}
.footer-col ul{display:grid;gap:12px;}
.footer-col ul a{color:rgba(255,255,255,.7);font-size:14px;}
.footer-col ul a:hover{color:var(--c-primary);}
.footer-cta-box{
  border:1px solid rgba(255,255,255,.14);border-radius:12px;padding:20px;
  background:rgba(255,255,255,.04);
}
.footer-cta-box p{font-size:13px;line-height:1.75;color:rgba(255,255,255,.66);margin-bottom:16px;}
.footer-bottom{
  margin-top:56px;border-top:1px solid rgba(255,255,255,.12);padding:22px 0;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.5);
}

/* ---------- 移动抽屉 ---------- */
.nav-mask{
  position:fixed;inset:0;background:rgba(16,38,31,.45);
  opacity:0;visibility:hidden;transition:opacity .2s ease,visibility .2s ease;z-index:80;
}
.nav-mask.is-open{opacity:1;visibility:visible;}
.nav-drawer{
  position:fixed;top:0;right:0;width:280px;height:100%;background:#fff;z-index:90;
  transform:translateX(100%);transition:transform .24s cubic-bezier(.2,.7,.3,1);
  padding:20px;display:flex;flex-direction:column;gap:18px;overflow-y:auto;box-shadow:var(--sh-2);
}
.nav-drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;gap:10px;}
.drawer-head .brand-name{font-size:15px;}
.drawer-close{
  margin-left:auto;width:36px;height:36px;border-radius:10px;font-size:22px;line-height:1;
  color:var(--c-muted);display:flex;align-items:center;justify-content:center;
}
.drawer-close:hover{background:var(--c-primary-soft);color:var(--c-primary);}
.drawer-nav ul{display:grid;}
.drawer-nav a{
  display:flex;align-items:center;min-height:48px;border-bottom:1px solid var(--c-line);
  color:var(--c-ink);font-size:15px;
}
.drawer-nav a.active{color:var(--c-primary);font-weight:600;}
.drawer-foot{font-size:13px;color:var(--c-muted);line-height:1.7;margin-top:auto;}

/* ---------- 响应式 ---------- */
@media (max-width:1023px){
  .container{padding-left:24px;padding-right:24px;}
  .main-nav,.nav-cta{display:none;}
  .nav-toggle{display:flex;}
  .section{padding:64px 0;}
  .page-head-inner{grid-template-columns:1fr;gap:32px;padding-top:40px;padding-bottom:44px;}
  .page-head-media{height:260px;}
  .matrix-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;}
  .split{grid-template-columns:1fr;gap:32px;}
  .step-list{grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:639px){
  .container{padding-left:18px;padding-right:18px;}
  body{font-size:15px;}
  .section{padding:52px 0;}
  .topbar-hint,.topbar-right a:first-child{display:none;}
  .topbar-right a+a{border-left:0;padding-left:0;}
  .matrix-grid{grid-template-columns:1fr;gap:14px;}
  .step-list{grid-template-columns:1fr;gap:14px;}
  .footer-grid{grid-template-columns:1fr;gap:32px;}
  .page-head-media{height:200px;}
  .cta-inner{flex-direction:column;align-items:flex-start;}
  .cta-actions{width:100%;}
  .cta-actions .btn{width:100%;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;}
  html{scroll-behavior:auto;}
}