/* roulang page: index */
:root{
  --ink:#0B1F17;
  --brand:#16A163;
  --brand-d:#0C7A49;
  --cta:#FF5A1F;
  --accent:#FFD447;
  --bg:#F5F7F4;
  --card:#FFFFFF;
  --line:#E4EAE5;
  --text:#1A2620;
  --muted:#5C6B62;
  --wait:#8A9A90;
  --radius-s:12px;
  --radius-m:16px;
  --radius-l:20px;
  --shadow-s:0 2px 8px rgba(11,31,23,.06);
  --shadow-m:0 12px 32px rgba(11,31,23,.10);
  --sp-1:4px;--sp-2:8px;--sp-3:12px;--sp-4:16px;--sp-5:24px;--sp-6:32px;--sp-7:48px;--sp-8:64px;--sp-9:96px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",sans-serif;
  background:var(--bg);
  color:var(--text);
  font-size:16px;
  line-height:1.8;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer;border:0;background:none}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
h1{font-size:40px;line-height:1.25;letter-spacing:-.4px}
h2{font-size:28px;line-height:1.35;letter-spacing:-.2px}
h3{font-size:20px;line-height:1.5}
input,select,textarea{font-family:inherit;font-size:15px}
:focus-visible{outline:3px solid rgba(255,90,31,.55);outline-offset:2px;border-radius:6px}
.container{max-width:1200px;margin:0 auto;padding:0 var(--sp-5)}
.section{padding:var(--sp-9) 0}
.section--tight{padding:var(--sp-8) 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:var(--sp-5);margin-bottom:var(--sp-6)}
.section-head h2{position:relative;padding-left:14px}
.section-head h2::before{content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;border-radius:2px;background:var(--brand)}
.section-head p{color:var(--muted);font-size:15px;max-width:640px;margin-top:var(--sp-2)}
.link-more{display:inline-flex;align-items:center;gap:6px;color:var(--brand-d);font-weight:600;font-size:15px;transition:gap .18s ease}
.link-more:hover{gap:10px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--brand-d);background:#E7F5EC;border-radius:999px;padding:5px 12px}
.status-dot{width:8px;height:8px;border-radius:50%;background:var(--brand);position:relative}
.status-dot::after{content:"";position:absolute;inset:-4px;border-radius:50%;border:2px solid rgba(22,161,99,.35);animation:pulse 1.8s infinite}
@keyframes pulse{0%{transform:scale(.7);opacity:.9}70%{transform:scale(1.5);opacity:0}100%{opacity:0}}

/* 公告条 */
.notice{background:var(--ink);color:#DCE7E0;font-size:14px;height:36px;display:flex;align-items:center}
.notice .container{display:flex;align-items:center;gap:10px;width:100%}
.notice strong{color:#fff;font-weight:600}
.notice p{flex:1;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;line-height:36px}
.notice-close{color:#9FB3A8;font-size:18px;line-height:1;padding:4px 6px;border-radius:6px;transition:color .18s ease}
.notice-close:hover{color:#fff}

/* 导航 */
.site-header{position:sticky;top:0;z-index:60;background:rgba(245,247,244,.94);backdrop-filter:blur(10px);transition:box-shadow .2s ease,border-color .2s ease;border-bottom:1px solid transparent}
.site-header.is-scrolled{border-bottom-color:var(--line);box-shadow:0 6px 20px rgba(11,31,23,.07)}
.nav{height:64px;display:flex;align-items:center;gap:var(--sp-5)}
.logo{display:flex;align-items:center;gap:10px;flex-shrink:0}
.logo-mark{width:36px;height:36px;border-radius:11px;background:linear-gradient(150deg,var(--brand),var(--brand-d));display:grid;place-items:center;color:#fff;font-weight:800;font-size:15px;letter-spacing:.5px;box-shadow:0 4px 12px rgba(12,122,73,.28)}
.logo-text{display:flex;flex-direction:column;line-height:1.15}
.logo-text b{font-size:15px;font-weight:800;letter-spacing:-.2px}
.logo-text span{font-size:11px;color:var(--muted);letter-spacing:.4px}
.nav-channels{display:flex;align-items:center;gap:4px;margin-left:var(--sp-5)}
.nav-channels a{position:relative;font-size:15px;font-weight:500;color:#33443B;padding:8px 14px;border-radius:10px;transition:color .18s ease,background .18s ease}
.nav-channels a::after{content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;border-radius:2px;background:var(--brand);transform:scaleX(0);transition:transform .2s ease}
.nav-channels a:hover{color:var(--brand-d);background:#EDF5F0}
.nav-channels a:hover::after,.nav-channels a.is-active::after{transform:scaleX(1)}
.nav-channels a.is-active{color:var(--brand-d);font-weight:700}
.nav-right{margin-left:auto;display:flex;align-items:center;gap:var(--sp-3)}
.badge-time{background:var(--accent);color:var(--ink);font-size:12px;font-weight:700;border-radius:999px;padding:6px 12px;font-variant-numeric:tabular-nums;white-space:nowrap}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:999px;font-weight:700;transition:transform .18s ease,box-shadow .18s ease,filter .18s ease,background .18s ease;white-space:nowrap}
.btn-primary{background:var(--cta);color:#fff;height:48px;padding:0 24px;font-size:16px;box-shadow:0 8px 20px rgba(255,90,31,.25)}
.btn-primary:hover{filter:brightness(.94);transform:translateY(-1px);box-shadow:0 12px 28px rgba(255,90,31,.32)}
.btn-primary:active{transform:translateY(0)}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.btn-ghost{background:#fff;color:var(--brand-d);border:1px solid var(--brand);height:48px;padding:0 24px;font-size:16px}
.btn-ghost:hover{background:#EDF7F1;transform:translateY(-1px)}
.btn-light{background:rgba(255,255,255,.14);color:#fff;border:1px solid rgba(255,255,255,.38);height:48px;padding:0 24px;font-size:16px}
.btn-light:hover{background:rgba(255,255,255,.24)}
.nav-toggle{display:none;width:40px;height:40px;border-radius:12px;border:1px solid var(--line);background:#fff;place-items:center}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;position:relative}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink);border-radius:2px}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}

/* 抽屉 */
.drawer{position:fixed;inset:0;z-index:90;background:var(--ink);color:#fff;transform:translateX(100%);transition:transform .28s ease;display:flex;flex-direction:column;padding:20px;overflow-y:auto}
.drawer.is-open{transform:translateX(0)}
.drawer-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:var(--sp-6)}
.drawer-close{width:40px;height:40px;border-radius:12px;border:1px solid rgba(255,255,255,.25);color:#fff;font-size:20px;display:grid;place-items:center}
.drawer nav{display:flex;flex-direction:column;gap:6px;margin-bottom:var(--sp-6)}
.drawer nav a{padding:14px 16px;border-radius:12px;font-size:17px;font-weight:600;color:#E7F0EA;background:rgba(255,255,255,.05)}
.drawer nav a.is-active{background:rgba(22,161,99,.28);color:#fff}
.drawer .btn{width:100%}
.drawer-foot{margin-top:auto;padding-top:var(--sp-6);font-size:13px;color:#9FB3A8;line-height:1.9}

/* Hero */
.hero{position:relative;padding:var(--sp-8) 0 var(--sp-9);background:
  radial-gradient(900px 420px at 12% -10%,rgba(22,161,99,.14),transparent 65%),
  radial-gradient(700px 380px at 100% 0%,rgba(255,90,31,.10),transparent 60%),
  var(--bg);
}
.hero::after{content:"";position:absolute;inset:0;pointer-events:none;opacity:.06;background-image:repeating-linear-gradient(135deg,#0B1F17 0 1px,transparent 1px 9px)}
.hero .container{position:relative;z-index:1}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:var(--sp-8);align-items:center}
.hero h1{margin:var(--sp-4) 0 var(--sp-4);max-width:640px}
.hero h1 em{font-style:normal;color:var(--brand-d)}
.hero-sub{font-size:17px;color:var(--muted);max-width:600px;line-height:1.85}
.hero-actions{display:flex;flex-wrap:wrap;gap:var(--sp-3);margin-top:var(--sp-6)}
.trust-row{display:flex;flex-wrap:wrap;gap:var(--sp-5);margin-top:var(--sp-6);padding-top:var(--sp-5);border-top:1px dashed var(--line)}
.trust-item{display:flex;align-items:center;gap:8px;font-size:14px;color:var(--muted)}
.trust-item b{color:var(--ink);font-size:16px;font-variant-numeric:tabular-nums}
.trust-icon{width:22px;height:22px;border-radius:7px;background:#E7F5EC;color:var(--brand-d);display:grid;place-items:center;font-size:12px;font-weight:800}
.hero-visual{position:relative}
.phone-card{position:relative;aspect-ratio:9/16;max-width:360px;margin-left:auto;border-radius:var(--radius-l);overflow:hidden;border:1px solid var(--line);box-shadow:0 24px 60px rgba(11,31,23,.18);background:var(--ink)}
.phone-card img{width:100%;height:100%;object-fit:cover}
.phone-card::after{content:"";position:absolute;inset:0;background:linear-gradient(to top,rgba(11,31,23,.86) 0%,rgba(11,31,23,.35) 38%,rgba(11,31,23,0) 68%)}
.phone-tag{position:absolute;top:14px;left:14px;z-index:2;background:rgba(11,31,23,.62);color:#fff;font-size:12px;font-weight:600;border-radius:999px;padding:5px 12px;display:flex;align-items:center;gap:6px}
.phone-live{width:7px;height:7px;border-radius:50%;background:var(--cta)}
.phone-duration{position:absolute;right:14px;bottom:14px;z-index:2;background:rgba(11,31,23,.68);color:#fff;font-size:12px;border-radius:8px;padding:3px 9px;font-variant-numeric:tabular-nums}
.play{position:absolute;z-index:2;top:50%;left:50%;transform:translate(-50%,-50%);width:64px;height:64px;border-radius:50%;background:rgba(255,255,255,.92);display:grid;place-items:center;box-shadow:0 10px 30px rgba(11,31,23,.28);transition:transform .2s ease}
.play::before{content:"";width:0;height:0;border-left:16px solid var(--cta);border-top:10px solid transparent;border-bottom:10px solid transparent;margin-left:4px}
.phone-card:hover .play{transform:translate(-50%,-50%) scale(1.08)}
.phone-caption{position:absolute;left:14px;right:14px;bottom:52px;z-index:2;color:#fff}
.phone-caption b{display:block;font-size:17px;line-height:1.5}
.phone-caption span{font-size:13px;color:#C8D6CE}

/* 横滑轨道 */
.rail-wrap{position:relative}
.rail{display:flex;gap:var(--sp-5);overflow-x:auto;scroll-snap-type:x mandatory;padding:6px 4px 18px;scrollbar-width:thin}
.rail::-webkit-scrollbar{height:6px}
.rail::-webkit-scrollbar-thumb{background:#CFDAD2;border-radius:999px}
.rail-item{flex:0 0 calc((100% - var(--sp-5)*3.5)/4.5);scroll-snap-align:start}
.v-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius-l);overflow:hidden;box-shadow:var(--shadow-s);transition:transform .18s ease,box-shadow .18s ease;height:100%;display:block}
.v-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-m)}
.v-thumb{position:relative;aspect-ratio:9/16;overflow:hidden;background:var(--ink)}
.v-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease}
.v-card:hover .v-thumb img{transform:scale(1.03)}
.v-thumb::after{content:"";position:absolute;inset:0;background:linear-gradient(to top,rgba(11,31,23,.78),rgba(11,31,23,0) 55%)}
.v-badge{position:absolute;top:10px;left:10px;z-index:2;background:rgba(11,31,23,.6);color:#fff;font-size:12px;border-radius:999px;padding:4px 10px}
.v-body{padding:14px 16px 18px}
.v-body b{display:block;font-size:16px;font-weight:700;overflow:hidden;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical}
.v-body span{display:block;margin-top:6px;font-size:13px;color:var(--muted)}

/* 清单 */
.checklist-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:var(--sp-8);align-items:start}
.checklist p.lead{color:var(--muted);margin-top:var(--sp-4);max-width:420px}
.check-list{border-top:1px solid var(--line)}
.check-item{display:flex;align-items:center;gap:var(--sp-5);padding:var(--sp-5) var(--sp-3);border-bottom:1px solid var(--line);transition:background .18s ease}
.check-item:hover{background:#EEF6F1}
.check-num{font-size:30px;font-weight:800;color:rgba(22,161,99,.32);font-variant-numeric:tabular-nums;min-width:52px}
.check-body{flex:1}
.check-body b{font-size:17px}
.check-body span{display:block;font-size:14px;color:var(--muted);margin-top:2px}
.check-arrow{color:var(--brand-d);font-size:18px;transition:transform .18s ease}
.check-item:hover .check-arrow{transform:translateX(3px)}

/* 口碑横滑 */
.reviews{display:flex;gap:var(--sp-5);overflow-x:auto;padding:6px 4px 18px;scroll-snap-type:x proximity}
.review-card{flex:0 0 300px;scroll-snap-align:start;background:#fff;border:1px solid var(--line);border-radius:var(--radius-m);padding:18px;box-shadow:var(--shadow-s)}
.review-top{display:flex;align-items:center;gap:12px}
.avatar{width:40px;height:40px;border-radius:50%;object-fit:cover;border:1px solid var(--line)}
.review-top b{display:block;font-size:14px}
.stars{color:var(--accent);font-size:13px;letter-spacing:2px}
.review-card p{font-size:14px;color:var(--muted);margin-top:12px;line-height:1.75;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}

/* CMS 列表 */
.post-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--sp-5)}
.post-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius-m);overflow:hidden;box-shadow:var(--shadow-s);transition:transform .18s ease,box-shadow .18s ease;display:flex;flex-direction:column}
.post-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-m)}
.post-thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:#DDE7E0}
.post-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease}
.post-card:hover .post-thumb img{transform:scale(1.03)}
.tag{position:absolute;top:12px;left:12px;background:rgba(231,245,236,.95);color:var(--brand-d);font-size:12px;font-weight:600;border-radius:999px;padding:4px 10px}
.post-body{padding:18px;display:flex;flex-direction:column;gap:10px;flex:1}
.post-body h3{font-size:17px;line-height:1.55;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.post-body h3 a:hover{color:var(--brand-d)}
.post-body p{font-size:14px;color:var(--muted);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.post-meta{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--wait);border-top:1px solid var(--line);padding-top:12px}
.post-meta time{font-variant-numeric:tabular-nums}
.empty-state{grid-column:1/-1;background:#fff;border:1px dashed var(--line);border-radius:var(--radius-m);padding:var(--sp-8) var(--sp-5);text-align:center}
.empty-state b{display:block;font-size:18px;margin-bottom:8px}
.empty-state p{color:var(--muted);font-size:15px}
.empty-state .btn{margin-top:var(--sp-5)}

/* 数据条 */
.stats{background:var(--ink);color:#fff;position:relative;overflow:hidden}
.stats::after{content:"";position:absolute;inset:0;opacity:.06;background-image:repeating-linear-gradient(135deg,#fff 0 1px,transparent 1px 10px)}
.stats .container{position:relative;z-index:1}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:var(--sp-5)}
.stat{background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.12);border-radius:var(--radius-m);padding:var(--sp-5)}
.stat b{display:block;font-size:32px;font-weight:800;color:var(--accent);font-variant-numeric:tabular-nums;line-height:1.2}
.stat span{display:block;font-size:14px;color:#BCCCC3;margin-top:6px}
.stats-note{color:#9FB3A8;font-size:14px;margin-top:var(--sp-5);max-width:760px}

/* FAQ */
.faq-list{max-width:860px;margin:0 auto;border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:var(--sp-4);min-height:48px;padding:18px 4px;text-align:left;font-size:17px;font-weight:600;color:var(--ink);transition:color .18s ease}
.faq-q:hover{color:var(--brand-d)}
.faq-q i{flex-shrink:0;width:24px;height:24px;border-radius:50%;border:1px solid var(--line);display:grid;place-items:center;font-style:normal;font-size:13px;color:var(--brand-d);transition:transform .2s ease,background .2s ease}
.faq-item.is-open .faq-q i{transform:rotate(180deg);background:#E7F5EC}
.faq-a{max-height:0;overflow:hidden;transition:max-height .2s ease}
.faq-a p{padding:0 4px 20px;color:var(--muted);font-size:15px}

/* CTA */
.cta-band{padding:var(--sp-9) 0}
.cta-box{position:relative;overflow:hidden;border-radius:var(--radius-l);background:linear-gradient(120deg,var(--brand-d),var(--brand) 55%,#0B1F17);padding:var(--sp-8);color:#fff;display:grid;grid-template-columns:1.3fr .7fr;gap:var(--sp-7);align-items:center}
.cta-box::after{content:"";position:absolute;inset:0;opacity:.08;background-image:repeating-linear-gradient(135deg,#fff 0 1px,transparent 1px 10px)}
.cta-box > *{position:relative;z-index:1}
.cta-box h2{color:#fff}
.cta-box p{margin-top:var(--sp-4);color:#D6E7DE;max-width:560px}
.cta-actions{display:flex;flex-wrap:wrap;gap:var(--sp-3);margin-top:var(--sp-6)}
.cta-panel{background:rgba(255,255,255,.10);border:1px solid rgba(255,255,255,.22);border-radius:var(--radius-m);padding:var(--sp-5)}
.cta-panel label{display:block;font-size:13px;color:#CFE2D8;margin-bottom:6px}
.cta-panel input{width:100%;height:48px;border-radius:var(--radius-s);border:1px solid rgba(255,255,255,.28);background:rgba(255,255,255,.92);padding:0 14px;color:var(--ink);transition:border-color .18s ease,box-shadow .18s ease}
.cta-panel input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(22,161,99,.28)}
.cta-panel .btn{width:100%;margin-top:var(--sp-4)}
.cta-panel small{display:block;margin-top:12px;font-size:12px;color:#BFD4C9;line-height:1.7}

/* Footer */
.site-footer{background:var(--ink);color:#B9CBC2;padding:var(--sp-8) 0 var(--sp-5)}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:var(--sp-7)}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:var(--sp-4)}
.footer-brand .logo-mark{background:linear-gradient(150deg,var(--brand),#0B1F17)}
.footer-brand b{color:#fff;font-size:16px}
.site-footer p{font-size:14px;line-height:1.9;color:#9FB3A8}
.site-footer h4{font-size:14px;color:rgba(255,255,255,.62);font-weight:600;margin-bottom:var(--sp-4);letter-spacing:.5px}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a{font-size:14px;color:#C6D6CD;transition:color .18s ease}
.footer-links a:hover{color:var(--accent)}
.footer-bottom{margin-top:var(--sp-7);padding-top:var(--sp-5);border-top:1px solid rgba(255,255,255,.12);display:flex;flex-wrap:wrap;gap:var(--sp-4);justify-content:space-between;font-size:13px;color:#8A9A90}

/* 吸底条 */
.sticky-bar{position:fixed;left:0;right:0;bottom:0;z-index:70;display:none;align-items:center;gap:var(--sp-4);padding:12px 16px;background:rgba(11,31,23,.96);border-top:1px solid rgba(255,255,255,.12);transform:translateY(110%);transition:transform .28s ease}
.sticky-bar.is-show{transform:translateY(0)}
.sticky-bar span{flex:1;color:#DCE7E0;font-size:14px;line-height:1.5}
.sticky-bar .btn{height:42px;padding:0 20px;font-size:15px}
.sticky-close{color:#9FB3A8;font-size:20px;padding:0 4px}

@media (max-width:1279px){
  .rail-item{flex:0 0 calc((100% - var(--sp-5)*2.5)/3.4)}
  h1{font-size:36px}
}
@media (max-width:1023px){
  .nav-channels,.badge-time{display:none}
  .nav-toggle{display:grid}
  .hero-grid{grid-template-columns:1fr;gap:var(--sp-7)}
  .phone-card{margin:0 auto;max-width:320px}
  .checklist-grid{grid-template-columns:1fr;gap:var(--sp-6)}
  .post-grid{grid-template-columns:repeat(2,1fr)}
  .stats-grid{grid-template-columns:repeat(2,1fr)}
  .cta-box{grid-template-columns:1fr;padding:var(--sp-7)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:var(--sp-6)}
  .sticky-bar{display:flex}
  .rail-item{flex:0 0 calc((100% - var(--sp-5)*1.5)/2.3)}
}
@media (max-width:767px){
  .container{padding:0 16px}
  .section{padding:56px 0}
  .section--tight{padding:48px 0}
  h1{font-size:28px}
  h2{font-size:22px}
  .hero{padding:56px 0 64px}
  .phone-card{max-width:100%;aspect-ratio:4/5}
  .rail-item{flex:0 0 78%}
  .post-grid{grid-template-columns:1fr}
  .stats-grid{grid-template-columns:1fr}
  .cta-band{padding:56px 0}
  .footer-grid{grid-template-columns:1fr}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px}
  .logo-text span{display:none}
  .review-card{flex:0 0 82%}
  .check-num{font-size:24px;min-width:42px}
  .cta-box{padding:24px}
}
@media (max-width:479px){
  .hero-actions .btn,.cta-actions .btn{width:100%}
  .trust-row{gap:16px}
}

/* roulang page: article */
:root{
  --ink:#0B1F17;
  --brand:#16A163;
  --brand-d:#0C7A49;
  --cta:#FF5A1F;
  --accent:#FFD447;
  --bg:#F5F7F4;
  --card:#FFFFFF;
  --line:#E4EAE5;
  --text:#1A2620;
  --muted:#5C6B62;
  --soft:#EEF6F1;
  --radius:16px;
  --radius-sm:12px;
  --radius-lg:20px;
  --shadow-1:0 2px 8px rgba(11,31,23,.06);
  --shadow-2:0 12px 32px rgba(11,31,23,.10);
  --sp-1:4px;--sp-2:8px;--sp-3:12px;--sp-4:16px;--sp-5:24px;--sp-6:32px;--sp-7:48px;--sp-8:64px;--sp-9:88px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",sans-serif;
  background:var(--bg);
  color:var(--text);
  font-size:16px;
  line-height:1.8;
  text-align:left;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font-family:inherit}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:999px;border:1px solid transparent;
  font-size:15px;font-weight:700;cursor:pointer;white-space:nowrap;
  transition:transform .18s ease,box-shadow .18s ease,background-color .18s ease,color .18s ease,border-color .18s ease;
}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.btn-primary{background:var(--cta);color:#fff;box-shadow:0 6px 18px rgba(255,90,31,.28)}
.btn-primary:hover{filter:brightness(.94);transform:translateY(-1px);box-shadow:0 12px 26px rgba(255,90,31,.34)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:#fff;color:var(--brand-d);border-color:var(--brand)}
.btn-ghost:hover{background:var(--soft);transform:translateY(-1px)}
.btn-ink{background:var(--ink);color:#fff}
.btn-ink:hover{background:#123024;transform:translateY(-1px)}
.btn:focus-visible{outline:3px solid rgba(255,90,31,.45);outline-offset:2px}

/* ============ 徽章 ============ */
.badge{display:inline-flex;align-items:center;gap:6px;height:24px;padding:0 12px;border-radius:999px;font-size:12px;font-weight:700;letter-spacing:.2px}
.badge-cat{background:rgba(22,161,99,.12);color:var(--brand-d)}
.badge-limit{background:var(--accent);color:var(--ink)}
.status-dot{width:7px;height:7px;border-radius:50%;background:var(--brand);display:inline-block}
.dot-live{animation:pulse 1.8s infinite}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(22,161,99,.55)}70%{box-shadow:0 0 0 8px rgba(22,161,99,0)}100%{box-shadow:0 0 0 0 rgba(22,161,99,0)}}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:90;
  background:rgba(255,255,255,.94);
  backdrop-filter:blur(10px);
  border-bottom:1px solid transparent;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.site-header.is-scrolled{border-bottom-color:var(--line);box-shadow:0 4px 18px rgba(11,31,23,.06)}
.nav{display:flex;align-items:center;gap:24px;height:64px}
.logo{display:flex;align-items:center;gap:10px;flex-shrink:0}
.logo-mark{
  width:38px;height:38px;border-radius:12px;flex-shrink:0;
  background:linear-gradient(140deg,var(--brand),var(--brand-d));
  color:#fff;font-size:14px;font-weight:800;letter-spacing:.5px;
  display:grid;place-items:center;
}
.logo-text{display:flex;flex-direction:column;line-height:1.25}
.logo-text b{font-size:15px;font-weight:800;color:var(--ink);white-space:nowrap}
.logo-text span{font-size:11px;color:var(--muted);letter-spacing:.3px}
.nav-channels{display:flex;align-items:center;gap:6px}
.nav-channels a{
  position:relative;padding:8px 12px;border-radius:10px;
  font-size:15px;font-weight:600;color:var(--muted);
  transition:color .18s ease,background-color .18s ease;
}
.nav-channels a:hover{color:var(--brand-d);background:rgba(22,161,99,.08)}
.nav-channels a.is-active{color:var(--brand-d)}
.nav-channels a.is-active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:0;height:2px;border-radius:2px;background:var(--brand);
}
.nav-right{display:flex;align-items:center;gap:12px;margin-left:auto}
.badge-time{
  display:inline-flex;align-items:center;height:28px;padding:0 12px;border-radius:999px;
  background:var(--accent);color:var(--ink);font-size:12px;font-weight:700;
  font-variant-numeric:tabular-nums;white-space:nowrap;
}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);
  background:#fff;cursor:pointer;align-items:center;justify-content:center;padding:0;
}
.nav-toggle span{width:18px;height:2px;background:var(--ink);border-radius:2px;position:relative;display:block}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink);border-radius:2px;
}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}

/* ============ 面包屑与文章头 ============ */
.crumbs{padding:28px 0 0;font-size:14px;color:var(--muted);display:flex;flex-wrap:wrap;align-items:center;gap:8px}
.crumbs a{color:var(--muted);transition:color .18s ease}
.crumbs a:hover{color:var(--brand-d)}
.crumbs .sep{color:#B9C6BE}
.crumbs .current{color:var(--text);font-weight:600;max-width:520px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;display:inline-block;vertical-align:bottom}
.article-head{padding:24px 0 36px;border-bottom:1px solid var(--line)}
.article-title{
  font-size:40px;line-height:1.25;font-weight:800;letter-spacing:-.5px;
  margin:16px 0 18px;max-width:900px;
}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:18px;font-size:14px;color:var(--muted)}
.article-meta .meta-item{display:inline-flex;align-items:center;gap:8px}
.meta-sep{width:1px;height:14px;background:var(--line)}

/* ============ 文章主体 ============ */
.article-wrap{padding:var(--sp-8) 0 var(--sp-9)}
.article-grid{display:grid;grid-template-columns:minmax(0,1fr) 264px;gap:48px;align-items:start}
.article-main{max-width:820px}
.post-content{font-size:16px;line-height:1.8;color:var(--text);word-break:break-word}
.post-content > *:first-child{margin-top:0}
.post-content p{margin:0 0 16px}
.post-content h2{
  position:relative;font-size:28px;line-height:1.35;font-weight:800;
  margin:40px 0 16px;padding-left:16px;
}
.post-content h2::before{
  content:"";position:absolute;left:0;top:.18em;bottom:.18em;width:4px;border-radius:4px;background:var(--brand);
}
.post-content h3{font-size:20px;line-height:1.5;font-weight:700;margin:32px 0 12px}
.post-content h4{font-size:17px;font-weight:700;margin:24px 0 10px}
.post-content ul,.post-content ol{margin:0 0 16px;padding-left:1.5em}
.post-content ul{list-style:disc}
.post-content ol{list-style:decimal}
.post-content li{margin-bottom:8px}
.post-content li::marker{color:var(--brand);font-weight:700}
.post-content blockquote{
  margin:24px 0;padding:16px 20px;background:var(--soft);
  border-left:3px solid var(--brand);border-radius:0 12px 12px 0;color:#28402F;
}
.post-content blockquote p:last-child{margin-bottom:0}
.post-content img{
  max-width:100%;height:auto;border-radius:14px;border:1px solid var(--line);
  margin:24px auto;object-fit:cover;
}
.post-content figure{margin:24px 0}
.post-content figcaption{text-align:center;font-size:13px;color:var(--muted);margin-top:8px;line-height:1.7}
.post-content table{
  width:100%;border-collapse:collapse;margin:24px 0;font-size:15px;
  border:1px solid var(--line);border-radius:12px;overflow:hidden;
}
.post-content th,.post-content td{padding:12px 16px;border-bottom:1px solid var(--line);text-align:left}
.post-content thead th{background:var(--soft);font-weight:700}
.post-content tbody tr:nth-child(even){background:#FAFCFA}
.post-content tbody tr:last-child td{border-bottom:none}
.post-content a{color:var(--brand-d);text-decoration:underline;text-underline-offset:3px}
.post-content a:hover{color:var(--cta)}
.post-content hr{border:none;border-top:1px solid var(--line);margin:32px 0}

/* 空状态 */
.empty-state{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:56px 32px;text-align:center;box-shadow:var(--shadow-1);
}
.empty-state h2{font-size:22px;font-weight:800;margin-bottom:12px}
.empty-state p{color:var(--muted);max-width:460px;margin:0 auto 24px}

/* ============ 侧栏 ============ */
.article-side{position:sticky;top:88px;display:flex;flex-direction:column;gap:16px}
.side-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:20px;box-shadow:var(--shadow-1);
}
.side-card h3{font-size:15px;font-weight:800;margin-bottom:12px;display:flex;align-items:center;gap:8px}
.side-card h3::before{content:"";width:4px;height:14px;border-radius:2px;background:var(--brand)}
.side-list{display:flex;flex-direction:column}
.side-list a{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:11px 0;font-size:14px;color:var(--text);border-bottom:1px solid var(--line);
  transition:color .18s ease,padding-left .18s ease;
}
.side-list a:last-child{border-bottom:none}
.side-list a:hover{color:var(--brand-d);padding-left:4px}
.side-list a i{font-style:normal;color:var(--brand);font-weight:700}
.side-note{font-size:13px;color:var(--muted);line-height:1.7}
.side-cta{
  background:var(--ink);border-radius:var(--radius);padding:22px 20px;color:#fff;
  background-image:repeating-linear-gradient(135deg,rgba(255,255,255,.06) 0 2px,transparent 2px 9px);
}
.side-cta strong{display:block;font-size:16px;font-weight:800;margin-bottom:8px}
.side-cta p{font-size:13px;color:rgba(255,255,255,.72);line-height:1.7;margin-bottom:16px}
.side-cta .btn{width:100%;height:42px;font-size:14px}

/* ============ 标签行 ============ */
.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin:40px 0 0;padding-top:24px;border-top:1px solid var(--line)}
.tag{
  display:inline-flex;align-items:center;height:28px;padding:0 14px;border-radius:999px;
  background:#fff;border:1px solid var(--line);font-size:13px;color:var(--muted);
  transition:border-color .18s ease,color .18s ease,background-color .18s ease;
}
.tag:hover{border-color:var(--brand);color:var(--brand-d);background:var(--soft)}

/* ============ 相关推荐 ============ */
.related{padding:0 0 var(--sp-9)}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:32px}
.section-head h2{font-size:28px;line-height:1.35;font-weight:800;display:flex;align-items:center;gap:12px}
.section-head h2::before{content:"";width:5px;height:24px;border-radius:3px;background:var(--brand)}
.section-head .more{font-size:14px;font-weight:700;color:var(--brand-d);display:inline-flex;align-items:center;gap:6px;transition:gap .18s ease}
.section-head .more:hover{gap:10px;color:var(--cta)}
.card{
  display:flex;flex-direction:column;background:var(--card);border:1px solid var(--line);
  border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-1);
  transition:transform .18s ease,box-shadow .18s ease;
}
.card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2)}
.card-cover{position:relative;aspect-ratio:16/9;overflow:hidden;background:#DDE7E1}
.card-cover img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease}
.card:hover .card-cover img{transform:scale(1.04)}
.card-cover .badge{position:absolute;left:12px;top:12px;background:rgba(11,31,23,.78);color:#fff;backdrop-filter:blur(4px)}
.card-body{padding:20px;display:flex;flex-direction:column;flex:1;gap:10px}
.card-body h3{
  font-size:17px;font-weight:800;line-height:1.5;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.card-body p{
  font-size:14px;color:var(--muted);line-height:1.7;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.card-foot{
  margin-top:auto;padding-top:12px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--muted);
}
.card-foot .arrow{color:var(--brand);font-weight:700;transition:transform .18s ease}
.card:hover .card-foot .arrow{transform:translateX(3px)}
.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}

/* ============ 返回入口 ============ */
.back-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:32px}

/* ============ 底部 CTA ============ */
.cta-band{
  position:relative;overflow:hidden;background:var(--ink);color:#fff;
  border-radius:var(--radius-lg);padding:48px 40px;
  background-image:linear-gradient(115deg,rgba(11,31,23,.94),rgba(12,122,73,.86)),url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;
}
.cta-band::after{
  content:"";position:absolute;inset:0;
  background-image:repeating-linear-gradient(135deg,rgba(255,255,255,.06) 0 2px,transparent 2px 10px);
  pointer-events:none;
}
.cta-inner{position:relative;z-index:1;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:28px}
.cta-inner h2{font-size:28px;line-height:1.35;font-weight:800;margin-bottom:10px}
.cta-inner p{font-size:15px;color:rgba(255,255,255,.76);max-width:560px}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px}
.cta-actions .btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.5)}
.cta-actions .btn-ghost:hover{background:rgba(255,255,255,.12);color:#fff}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink);color:rgba(255,255,255,.72);padding:64px 0 28px;margin-top:var(--sp-9)}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand b{color:#fff;font-size:16px;font-weight:800}
.site-footer p{font-size:14px;line-height:1.8;max-width:340px}
.site-footer h4{font-size:14px;font-weight:700;color:rgba(255,255,255,.55);margin-bottom:16px;letter-spacing:.5px}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a{font-size:14px;color:rgba(255,255,255,.78);transition:color .18s ease}
.footer-links a:hover{color:var(--accent)}
.footer-bottom{
  margin-top:48px;padding-top:24px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;font-size:13px;color:rgba(255,255,255,.55);
}

/* ============ 响应式 ============ */
@media (max-width:1279px){
  .article-grid{grid-template-columns:minmax(0,1fr) 240px;gap:32px}
}
@media (max-width:1023px){
  .article-grid{grid-template-columns:minmax(0,1fr)}
  .article-side{position:static;flex-direction:row;flex-wrap:wrap;gap:16px}
  .article-side > *{flex:1 1 260px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .grid-3{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:900px){
  .nav-channels{
    position:fixed;left:0;right:0;top:64px;
    flex-direction:column;align-items:stretch;gap:4px;
    background:#fff;padding:16px 24px 24px;
    border-bottom:1px solid var(--line);box-shadow:var(--shadow-2);
    transform:translateY(-14px);opacity:0;pointer-events:none;
    transition:transform .22s ease,opacity .22s ease;
  }
  .nav-channels.is-open{transform:translateY(0);opacity:1;pointer-events:auto}
  .nav-channels a{padding:12px;font-size:16px;border-radius:12px}
  .nav-channels a.is-active{background:var(--soft)}
  .nav-channels a.is-active::after{display:none}
  .nav-toggle{display:flex}
  .badge-time{display:none}
  .logo-text span{display:none}
}
@media (max-width:767px){
  .container{padding:0 16px}
  .nav{height:56px;gap:12px}
  .nav-channels{top:56px}
  .article-title{font-size:28px;margin:14px 0 16px}
  .crumbs{padding-top:20px}
  .crumbs .current{max-width:220px}
  .article-wrap{padding:48px 0 64px}
  .post-content h2{font-size:22px;margin:32px 0 14px}
  .post-content h3{font-size:18px}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px;margin-bottom:24px}
  .section-head h2{font-size:22px}
  .grid-3{grid-template-columns:minmax(0,1fr);gap:16px}
  .cta-band{padding:32px 24px;border-radius:var(--radius)}
  .cta-inner h2{font-size:22px}
  .cta-actions .btn{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .site-footer{padding:48px 0 24px;margin-top:64px}
  .article-side > *{flex:1 1 100%}
}
@media (max-width:520px){
  .article-title{font-size:24px}
  .article-meta{gap:12px;font-size:13px}
  .meta-sep{display:none}
  .side-card{padding:16px}
  .back-row .btn{width:100%}
}

/* roulang page: category1 */
/* ============ 设计变量 ============ */
:root{
  --ink:#0B1F17;
  --ink-2:#123026;
  --brand:#16A163;
  --brand-d:#0C7A49;
  --brand-soft:#E8F6EF;
  --cta:#FF5A1F;
  --cta-d:#E84C14;
  --accent:#FFD447;
  --bg:#F5F7F4;
  --card:#FFFFFF;
  --line:#E4EAE5;
  --text:#1A2620;
  --muted:#5C6B62;
  --warn:#FF5A1F;
  --idle:#8A9A90;
  --r-sm:12px;
  --r-md:16px;
  --r-lg:20px;
  --r-pill:999px;
  --sh-1:0 2px 8px rgba(11,31,23,.06);
  --sh-2:0 12px 32px rgba(11,31,23,.10);
  --sp-1:4px; --sp-2:8px; --sp-3:12px; --sp-4:16px;
  --sp-5:24px; --sp-6:32px; --sp-7:48px; --sp-8:64px; --sp-9:96px;
  --head-h:64px;
  --ease:180ms ease;
}
/* ============ 基础 reset ============ */
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",sans-serif;
  background:var(--bg);
  color:var(--text);
  font-size:16px;
  line-height:1.8;
  letter-spacing:.01em;
}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;padding:0;}
ul,ol{list-style:none;}
img{max-width:100%;display:block;}
a{color:var(--brand-d);text-decoration:none;transition:color var(--ease),opacity var(--ease);}
a:hover{color:var(--brand);}
button{font-family:inherit;font-size:inherit;cursor:pointer;border:0;background:none;color:inherit;}
input{font-family:inherit;}
:focus-visible{outline:3px solid rgba(255,90,31,.45);outline-offset:2px;border-radius:6px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
.tnum{font-variant-numeric:tabular-nums;}
section[id]{scroll-margin-top:96px;}

/* ============ 顶部公告条 ============ */
.top-bar{
  background:var(--ink);
  color:#DCE7E1;
  font-size:13px;
  line-height:1.6;
}
.top-bar .container{
  height:36px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
}
.top-status{display:flex;align-items:center;gap:8px;min-width:0;}
.dot-live{
  width:8px;height:8px;border-radius:50%;
  background:var(--brand);
  box-shadow:0 0 0 0 rgba(22,161,99,.6);
  animation:pulse 2s infinite;
  flex:0 0 auto;
}
@keyframes pulse{
  0%{box-shadow:0 0 0 0 rgba(22,161,99,.55);}
  70%{box-shadow:0 0 0 8px rgba(22,161,99,0);}
  100%{box-shadow:0 0 0 0 rgba(22,161,99,0);}
}
.top-status span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.top-close{
  color:#8FA69A;
  font-size:18px;
  line-height:1;
  padding:4px 6px;
  border-radius:6px;
  transition:color var(--ease),background var(--ease);
}
.top-close:hover{color:#fff;background:rgba(255,255,255,.10);}
.top-bar.is-hidden{display:none;}

/* ============ 导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(255,255,255,.94);
  backdrop-filter:saturate(160%) blur(10px);
  border-bottom:1px solid transparent;
  transition:border-color var(--ease),box-shadow var(--ease);
}
.site-header.is-scrolled{
  border-bottom-color:var(--line);
  box-shadow:var(--sh-1);
}
.nav{
  height:var(--head-h);
  display:flex;
  align-items:center;
  gap:24px;
}
.logo{display:flex;align-items:center;gap:10px;flex:0 0 auto;color:var(--text);}
.logo:hover{color:var(--text);}
.logo-mark{
  width:38px;height:38px;
  border-radius:12px;
  background:linear-gradient(140deg,var(--brand) 0%,var(--brand-d) 100%);
  color:#fff;
  display:grid;place-items:center;
  font-weight:800;
  font-size:15px;
  letter-spacing:.5px;
  box-shadow:0 6px 14px rgba(12,122,73,.28);
  flex:0 0 auto;
}
.logo-text{display:flex;flex-direction:column;line-height:1.25;}
.logo-text b{font-size:15px;font-weight:700;letter-spacing:.01em;}
.logo-text span{font-size:11.5px;color:var(--muted);letter-spacing:.04em;}
.nav-channels{display:flex;align-items:center;gap:4px;margin-left:8px;}
.nav-channels a{
  position:relative;
  display:block;
  padding:10px 14px;
  font-size:15px;
  color:var(--text);
  border-radius:10px;
  transition:color var(--ease),background var(--ease);
}
.nav-channels a::after{
  content:"";
  position:absolute;
  left:14px;right:14px;bottom:4px;
  height:2px;
  border-radius:2px;
  background:var(--brand);
  transform:scaleX(0);
  transform-origin:center;
  transition:transform var(--ease);
}
.nav-channels a:hover{color:var(--brand-d);background:var(--brand-soft);}
.nav-channels a.is-active{color:var(--brand-d);font-weight:600;}
.nav-channels a.is-active::after{transform:scaleX(1);}
.nav-right{margin-left:auto;display:flex;align-items:center;gap:12px;}
.badge-time{
  display:inline-flex;align-items:center;gap:6px;
  background:var(--accent);
  color:var(--ink);
  font-size:12px;
  font-weight:600;
  padding:6px 12px;
  border-radius:var(--r-pill);
  font-variant-numeric:tabular-nums;
  white-space:nowrap;
}
.badge-time::before{
  content:"";
  width:6px;height:6px;border-radius:50%;
  background:var(--ink);
  opacity:.7;
}
.nav-toggle{
  display:none;
  width:40px;height:40px;
  border-radius:10px;
  border:1px solid var(--line);
  background:#fff;
  position:relative;
  transition:border-color var(--ease),background var(--ease);
}
.nav-toggle:hover{border-color:var(--brand);background:var(--brand-soft);}
.nav-toggle span,
.nav-toggle span::before,
.nav-toggle span::after{
  position:absolute;left:50%;width:18px;height:2px;border-radius:2px;background:var(--text);
  transform:translateX(-50%);
  transition:transform var(--ease),opacity var(--ease);
}
.nav-toggle span{top:50%;margin-top:-1px;}
.nav-toggle span::before{content:"";top:-6px;left:0;transform:none;}
.nav-toggle span::after{content:"";top:6px;left:0;transform:none;}
body.drawer-open .nav-toggle span{transform:translateX(-50%) rotate(45deg);}
body.drawer-open .nav-toggle span::before{transform:translateY(6px) rotate(-90deg);}
body.drawer-open .nav-toggle span::after{opacity:0;}

/* 移动抽屉 */
.drawer{
  position:fixed;
  inset:0;
  z-index:70;
  background:var(--ink);
  color:#fff;
  padding:24px;
  display:flex;
  flex-direction:column;
  gap:8px;
  transform:translateX(100%);
  transition:transform 240ms ease;
  overflow-y:auto;
}
.drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px;}
.drawer-head .logo-text b{color:#fff;}
.drawer-head .logo-text span{color:#8FA69A;}
.drawer-close{
  width:40px;height:40px;border-radius:10px;
  border:1px solid rgba(255,255,255,.18);
  color:#fff;font-size:20px;line-height:1;
}
.drawer-close:hover{background:rgba(255,255,255,.1);}
.drawer-nav a{
  display:flex;align-items:center;justify-content:space-between;
  padding:16px 4px;
  color:#E7EFEA;
  font-size:17px;
  border-bottom:1px solid rgba(255,255,255,.10);
}
.drawer-nav a.is-active{color:var(--accent);font-weight:600;}
.drawer-nav a span{color:#7E9488;font-size:14px;}
.drawer-actions{margin-top:24px;display:flex;flex-direction:column;gap:12px;}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:48px;
  padding:0 24px;
  border-radius:var(--r-pill);
  font-size:15px;
  font-weight:600;
  white-space:nowrap;
  transition:background var(--ease),color var(--ease),border-color var(--ease),transform var(--ease),box-shadow var(--ease),filter var(--ease);
}
.btn-sm{height:40px;padding:0 18px;font-size:14px;}
.btn-primary{
  background:var(--cta);
  color:#fff;
  box-shadow:0 6px 16px rgba(255,90,31,.28);
}
.btn-primary:hover{
  background:var(--cta);
  color:#fff;
  filter:brightness(.94);
  transform:translateY(-1px);
  box-shadow:0 12px 26px rgba(255,90,31,.32);
}
.btn-primary:active{transform:translateY(0);filter:brightness(.9);}
.btn-secondary{
  background:#fff;
  color:var(--brand-d);
  border:1px solid var(--brand);
}
.btn-secondary:hover{background:var(--brand-soft);color:var(--brand-d);transform:translateY(-1px);}
.btn-ghost{
  background:transparent;
  color:#fff;
  border:1px solid rgba(255,255,255,.35);
}
.btn-ghost:hover{background:rgba(255,255,255,.12);color:#fff;}
.text-link{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14px;font-weight:600;color:var(--brand-d);
}
.text-link::after{
  content:"→";
  transition:transform var(--ease);
}
.text-link:hover::after{transform:translateX(2px);}

/* ============ 徽章 / 标签 ============ */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  border-radius:var(--r-pill);
  font-size:12px;
  font-weight:600;
  line-height:1.6;
  padding:4px 12px;
  white-space:nowrap;
}
.badge-soft{background:var(--brand-soft);color:var(--brand-d);}
.badge-accent{background:var(--accent);color:var(--ink);}
.badge-ink{background:rgba(11,31,23,.72);color:#fff;}
.state{display:inline-flex;align-items:center;gap:8px;font-size:13px;color:var(--muted);}
.state::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--idle);}
.state-ok::before{background:var(--brand);}
.state-warn::before{background:var(--warn);}

/* ============ 分类页 Hero ============ */
.cat-hero{
  position:relative;
  overflow:hidden;
  background:var(--bg);
  border-bottom:1px solid var(--line);
}
.cat-hero::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:repeating-linear-gradient(135deg,rgba(11,31,23,.055) 0 1px,transparent 1px 9px);
  pointer-events:none;
}
.cat-hero .container{position:relative;padding-top:40px;padding-bottom:40px;}
.crumbs{font-size:13px;color:var(--muted);margin-bottom:14px;}
.crumbs ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;}
.crumbs li{display:flex;align-items:center;gap:8px;}
.crumbs li+li::before{content:"/";color:#B8C4BB;}
.crumbs a{color:var(--muted);}
.crumbs a:hover{color:var(--brand-d);}
.crumbs li[aria-current] span,
.crumbs li[aria-current]{color:var(--text);font-weight:600;}
.cat-hero-row{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:32px;
  flex-wrap:wrap;
}
.cat-hero-text{max-width:720px;}
.cat-hero h1{
  font-size:32px;
  line-height:1.3;
  font-weight:800;
  letter-spacing:.01em;
  padding-left:14px;
  border-left:4px solid var(--brand);
}
.cat-hero-text p{
  margin-top:10px;
  color:var(--muted);
  font-size:15px;
  padding-left:18px;
}
.cat-hero-actions{display:flex;gap:12px;flex-wrap:wrap;}

/* ============ 锚点导航 ============ */
.anchor-nav{
  position:sticky;
  top:var(--head-h);
  z-index:40;
  background:rgba(245,247,244,.96);
  backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);
}
.anchor-track{
  display:flex;
  gap:10px;
  padding:12px 0;
  overflow-x:auto;
  scrollbar-width:none;
}
.anchor-track::-webkit-scrollbar{display:none;}
.anchor-track a{
  flex:0 0 auto;
  padding:8px 16px;
  border-radius:var(--r-pill);
  background:#fff;
  border:1px solid var(--line);
  color:var(--text);
  font-size:14px;
  transition:border-color var(--ease),background var(--ease),color var(--ease);
}
.anchor-track a:hover{border-color:var(--brand);background:var(--brand-soft);color:var(--brand-d);}

/* ============ 通用板块 ============ */
.section{padding:88px 0;}
.section-alt{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.section-dark{
  background:var(--ink);
  color:#E7EFEA;
  position:relative;
  overflow:hidden;
}
.section-dark::before{
  content:"";
  position:absolute;inset:0;
  background-image:repeating-linear-gradient(135deg,rgba(255,255,255,.05) 0 1px,transparent 1px 10px);
  pointer-events:none;
}
.section-dark .container{position:relative;}
.section-dark h2,.section-dark h3{color:#fff;}
.section-dark p{color:#AFC2B7;}
.section-head{
  max-width:760px;
  margin-bottom:32px;
}
.section-head h2{
  font-size:28px;
  line-height:1.35;
  font-weight:800;
  padding-left:14px;
  border-left:4px solid var(--brand);
}
.section-head p{margin-top:12px;color:var(--muted);padding-left:18px;}
.section-dark .section-head p{color:#AFC2B7;}

/* ============ 图文左右交替 ============ */
.split{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:48px;
  align-items:center;
}
.split + .split{margin-top:64px;}
.split-media{
  position:relative;
  border-radius:var(--r-lg);
  overflow:hidden;
  border:1px solid var(--line);
  box-shadow:var(--sh-1);
  aspect-ratio:16/11;
  background:#E9EFEA;
}
.split-media img{width:100%;height:100%;object-fit:cover;transition:transform 400ms ease;}
.split-media:hover img{transform:scale(1.03);}
.split-media .badge{position:absolute;left:14px;top:14px;}
.split-body h3{font-size:20px;line-height:1.5;font-weight:700;margin-bottom:12px;}
.split-body > p{color:var(--muted);margin-bottom:16px;}
.split-list{display:flex;flex-direction:column;gap:10px;margin-bottom:20px;}
.split-list li{
  display:flex;gap:10px;align-items:flex-start;
  font-size:15px;color:var(--text);
}
.split-list li::before{
  content:"";
  flex:0 0 auto;
  width:6px;height:6px;border-radius:50%;
  background:var(--brand);
  margin-top:11px;
}
.split.reverse .split-media{order:2;}

/* ============ 卡片栅格 ============ */
.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;}
.card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  box-shadow:var(--sh-1);
  overflow:hidden;
  transition:box-shadow var(--ease),transform var(--ease);
}
.card:hover{box-shadow:var(--sh-2);transform:translateY(-2px);}
.card-media{position:relative;aspect-ratio:16/10;background:#E9EFEA;overflow:hidden;}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform 400ms ease;}
.card:hover .card-media img{transform:scale(1.03);}
.card-media .badge{position:absolute;left:12px;top:12px;}
.card-body{padding:20px;}
.card-body h3{font-size:17px;line-height:1.5;font-weight:700;margin-bottom:8px;}
.card-body p{font-size:14px;color:var(--muted);line-height:1.7;}
.card-foot{
  display:flex;align-items:center;justify-content:space-between;
  padding:14px 20px;
  border-top:1px solid var(--line);
  font-size:13px;
  color:var(--muted);
}

/* ============ 编号清单 ============ */
.numlist{
  border:1px solid var(--line);
  border-radius:var(--r-md);
  background:#fff;
  overflow:hidden;
}
.numlist-item{
  display:flex;
  align-items:center;
  gap:20px;
  padding:20px 24px;
  border-bottom:1px solid var(--line);
  transition:background var(--ease);
  color:var(--text);
}
.numlist-item:last-child{border-bottom:0;}
.numlist-item:hover{background:var(--brand-soft);color:var(--text);}
.numlist-num{
  font-size:32px;
  font-weight:800;
  line-height:1;
  color:var(--brand);
  opacity:.35;
  font-variant-numeric:tabular-nums;
  flex:0 0 auto;
  min-width:44px;
}
.numlist-text{flex:1 1 auto;min-width:0;}
.numlist-text b{display:block;font-size:16px;font-weight:700;margin-bottom:2px;}
.numlist-text span{font-size:14px;color:var(--muted);}
.numlist-arrow{color:var(--brand-d);font-size:18px;transition:transform var(--ease);}
.numlist-item:hover .numlist-arrow{transform:translateX(4px);}

/* ============ 步骤条 ============ */
.steps{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:20px;
  counter-reset:step;
}
.step{
  position:relative;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-md);
  padding:24px 20px;
  box-shadow:var(--sh-1);
  transition:box-shadow var(--ease),transform var(--ease);
}
.step:hover{box-shadow:var(--sh-2);transform:translateY(-2px);}
.step::after{
  content:"";
  position:absolute;
  right:-14px;top:44px;
  width:8px;height:2px;
  background:var(--line);
}
.step:last-child::after{display:none;}
.step-num{
  display:grid;place-items:center;
  width:36px;height:36px;
  border-radius:12px;
  background:var(--brand);
  color:#fff;
  font-weight:800;
  font-size:15px;
  margin-bottom:14px;
  font-variant-numeric:tabular-nums;
}
.step h3{font-size:16px;font-weight:700;margin-bottom:8px;}
.step p{font-size:14px;color:var(--muted);line-height:1.7;}

/* ============ 数据条 ============ */
.stat-bar{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:20px;
}
.stat{
  background:rgba(255,255,255,.05);
  border:1px solid rgba(255,255,255,.12);
  border-radius:var(--r-md);
  padding:24px 20px;
  transition:border-color var(--ease),background var(--ease);
}
.stat:hover{border-color:rgba(255,212,71,.5);background:rgba(255,255,255,.08);}
.stat b{
  display:block;
  font-size:30px;
  font-weight:800;
  color:var(--accent);
  line-height:1.2;
  font-variant-numeric:tabular-nums;
}
.stat span{display:block;margin-top:6px;font-size:14px;color:#AFC2B7;}

/* ============ FAQ ============ */
.faq{display:flex;flex-direction:column;gap:12px;max-width:880px;}
.faq-item{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-sm);
  overflow:hidden;
  transition:border-color var(--ease),box-shadow var(--ease);
}
.faq-item:hover{border-color:#CFDDD4;}
.faq-q{
  width:100%;
  min-height:48px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding:14px 20px;
  text-align:left;
  font-size:16px;
  font-weight:600;
  color:var(--text);
  transition:color var(--ease);
}
.faq-q:hover{color:var(--brand-d);}
.faq-arrow{
  flex:0 0 auto;
  width:10px;height:10px;
  border-right:2px solid var(--brand);
  border-bottom:2px solid var(--brand);
  transform:rotate(45deg);
  transition:transform 200ms ease;
  margin-top:-4px;
}
.faq-item.is-open .faq-arrow{transform:rotate(-135deg);margin-top:4px;}
.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height 200ms ease;
}
.faq-a p{
  padding:0 20px 18px;
  color:var(--muted);
  font-size:15px;
  line-height:1.8;
}

/* ============ 底部 CTA ============ */
.cta-band{
  background:linear-gradient(120deg,var(--brand-d) 0%,var(--brand) 55%,#1FBE77 100%);
  border-radius:var(--r-lg);
  padding:48px;
  color:#fff;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:32px;
  flex-wrap:wrap;
  position:relative;
  overflow:hidden;
}
.cta-band::before{
  content:"";
  position:absolute;inset:0;
  background-image:repeating-linear-gradient(135deg,rgba(255,255,255,.07) 0 1px,transparent 1px 10px);
  pointer-events:none;
}
.cta-band > *{position:relative;}
.cta-band h2{font-size:26px;font-weight:800;line-height:1.4;color:#fff;}
.cta-band p{margin-top:8px;color:rgba(255,255,255,.88);font-size:15px;max-width:560px;}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--ink);
  color:#B9CBC1;
  padding:64px 0 24px;
  margin-top:88px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1fr;
  gap:40px;
}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;margin-bottom:14px;}
.footer-brand b{font-size:15.5px;}
.site-footer p{font-size:14px;line-height:1.8;color:#9DB0A5;max-width:340px;}
.site-footer h4{
  font-size:14px;
  font-weight:600;
  color:rgba(255,255,255,.62);
  margin-bottom:14px;
  letter-spacing:.04em;
}
.footer-links{display:flex;flex-direction:column;gap:10px;}
.footer-links a{color:#C8D8CF;font-size:14px;}
.footer-links a:hover{color:var(--accent);}
.footer-bottom{
  margin-top:48px;
  padding-top:20px;
  border-top:1px solid rgba(255,255,255,.12);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  font-size:13px;
  color:#8FA69A;
}

/* ============ 移动吸底条 ============ */
.dock{
  position:fixed;
  left:0;right:0;bottom:0;
  z-index:65;
  background:rgba(11,31,23,.97);
  backdrop-filter:blur(8px);
  padding:12px 16px calc(12px + env(safe-area-inset-bottom));
  display:flex;
  align-items:center;
  gap:12px;
  transform:translateY(120%);
  transition:transform 260ms ease;
}
.dock.is-show{transform:translateY(0);}
.dock .dock-text{flex:1 1 auto;min-width:0;color:#fff;font-size:13px;line-height:1.5;}
.dock .dock-text b{display:block;font-size:14px;}
.dock .dock-text span{color:#9DB0A5;font-size:12px;}
.dock-close{
  flex:0 0 auto;
  width:32px;height:32px;
  border-radius:50%;
  color:#9DB0A5;
  font-size:18px;
  line-height:1;
  border:1px solid rgba(255,255,255,.18);
}
.dock-close:hover{color:#fff;background:rgba(255,255,255,.1);}

/* ============ 响应式 ============ */
@media (max-width:1279px){
  .grid-3{grid-template-columns:repeat(3,minmax(0,1fr));}
}
@media (max-width:1023px){
  .nav-channels{display:none;}
  .nav-toggle{display:block;}
  .badge-time{display:none;}
  .section{padding:64px 0;}
  .split{grid-template-columns:1fr;gap:24px;}
  .split.reverse .split-media{order:0;}
  .split + .split{margin-top:48px;}
  .grid-3{grid-template-columns:repeat(2,minmax(0,1fr));}
  .steps{grid-template-columns:repeat(2,minmax(0,1fr));}
  .step::after{display:none;}
  .stat-bar{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .cta-band{padding:36px;}
}
@media (max-width:767px){
  :root{--head-h:56px;}
  .container{padding:0 16px;}
  .logo-text b{font-size:13.5px;}
  .logo-text span{display:none;}
  .cat-hero .container{padding-top:28px;padding-bottom:28px;}
  .cat-hero h1{font-size:26px;}
  .cat-hero-text p{padding-left:18px;font-size:14px;}
  .cat-hero-actions{width:100%;}
  .cat-hero-actions .btn{flex:1 1 auto;}
  .section{padding:56px 0;}
  .section-head h2{font-size:22px;}
  .grid-2,.grid-3{grid-template-columns:1fr;}
  .steps{grid-template-columns:1fr;}
  .stat-bar{grid-template-columns:1fr 1fr;}
  .cta-band{padding:28px;border-radius:var(--r-md);}
  .cta-band h2{font-size:21px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{flex:1 1 auto;}
  .numlist-item{padding:16px;gap:14px;}
  .numlist-num{font-size:26px;min-width:34px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}
@media (min-width:1024px){
  .dock{display:none;}
}

/* roulang page: category2 */
:root{
  --ink:#0B1F17;
  --brand:#16A163;
  --brand-d:#0C7A49;
  --brand-l:#E8F6EE;
  --cta:#FF5A1F;
  --cta-d:#E64A12;
  --accent:#FFD447;
  --bg:#F5F7F4;
  --card:#FFFFFF;
  --line:#E4EAE5;
  --text:#1A2620;
  --muted:#5C6B62;
  --sp-1:4px;--sp-2:8px;--sp-3:12px;--sp-4:16px;--sp-5:24px;--sp-6:32px;--sp-7:48px;--sp-8:64px;--sp-9:88px;
  --radius-sm:12px;--radius:16px;--radius-lg:24px;
  --shadow-sm:0 2px 8px rgba(11,31,23,.06);
  --shadow-md:0 12px 32px rgba(11,31,23,.10);
  --ease:180ms ease;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:140px;}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",sans-serif;
  font-size:16px;line-height:1.8;color:var(--text);background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,figure,blockquote{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
img{display:block;max-width:100%;height:auto;}
a{color:inherit;text-decoration:none;}
button{font:inherit;color:inherit;cursor:pointer;border:0;background:none;}
input{font:inherit;}
:focus-visible{outline:3px solid rgba(255,90,31,.45);outline-offset:2px;border-radius:6px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 var(--sp-5);}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0;}

/* ============ 顶部通道条 ============ */
.topbar{background:var(--ink);color:rgba(255,255,255,.86);font-size:13px;}
.topbar .container{display:flex;align-items:center;gap:var(--sp-3);height:36px;}
.pulse{width:8px;height:8px;border-radius:50%;background:var(--brand);position:relative;flex:0 0 auto;}
.pulse::after{content:"";position:absolute;inset:-4px;border-radius:50%;border:1px solid rgba(22,161,99,.6);animation:pulse 2s infinite;}
@keyframes pulse{0%{transform:scale(.7);opacity:1}100%{transform:scale(1.4);opacity:0}}
.topbar-tag{color:var(--accent);font-weight:700;}

/* ============ 导航 ============ */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(255,255,255,.94);
  -webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);
  border-bottom:1px solid transparent;transition:border-color var(--ease),box-shadow var(--ease);
}
.site-header.is-scrolled{border-bottom-color:var(--line);box-shadow:var(--shadow-sm);}
.nav{display:flex;align-items:center;gap:var(--sp-5);height:64px;}
.logo{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.logo-mark{
  width:36px;height:36px;border-radius:10px;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--brand),var(--brand-d));
  color:#fff;font-size:13px;font-weight:800;letter-spacing:.5px;
}
.logo-text b{display:block;font-size:15px;line-height:1.25;font-weight:800;}
.logo-text span{display:block;font-size:11px;line-height:1.4;color:var(--muted);}
.nav-channels{display:flex;align-items:center;gap:4px;margin-left:var(--sp-6);}
.nav-channels a{
  position:relative;padding:8px 12px;border-radius:10px;
  font-size:14px;color:var(--muted);transition:color var(--ease),background var(--ease);
}
.nav-channels a::after{
  content:"";position:absolute;left:12px;right:12px;bottom:-2px;height:2px;border-radius:2px;
  background:var(--brand);transform:scaleX(0);transform-origin:left;transition:transform var(--ease);
}
.nav-channels a:hover{color:var(--text);background:var(--brand-l);}
.nav-channels a.is-active{color:var(--brand-d);font-weight:700;}
.nav-channels a.is-active::after{transform:scaleX(1);}
.nav-right{display:flex;align-items:center;gap:var(--sp-3);margin-left:auto;}
.badge-time{
  display:inline-flex;align-items:center;gap:6px;height:32px;padding:0 12px;border-radius:999px;
  background:var(--accent);color:var(--ink);font-size:12px;font-weight:700;
  font-variant-numeric:tabular-nums;white-space:nowrap;
}
.nav-toggle{
  display:none;width:40px;height:40px;border-radius:12px;border:1px solid var(--line);background:#fff;
  position:relative;align-items:center;justify-content:center;
}
.nav-toggle span,.nav-toggle span::before,.nav-toggle span::after{
  content:"";display:block;width:16px;height:2px;border-radius:2px;background:var(--ink);
  transition:transform var(--ease),opacity var(--ease);
}
.nav-toggle span::before{position:absolute;transform:translateY(-5px);}
.nav-toggle span::after{position:absolute;transform:translateY(5px);}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:999px;border:1px solid transparent;
  font-size:15px;font-weight:700;letter-spacing:.2px;white-space:nowrap;
  transition:background var(--ease),color var(--ease),transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.btn-sm{height:40px;padding:0 18px;font-size:14px;}
.btn-primary{background:var(--cta);color:#fff;box-shadow:0 8px 20px rgba(255,90,31,.28);}
.btn-primary:hover{background:var(--cta-d);transform:translateY(-1px);box-shadow:0 12px 26px rgba(255,90,31,.34);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{background:#fff;color:var(--brand-d);border-color:var(--brand);}
.btn-ghost:hover{background:var(--brand-l);}
.btn-light{background:#fff;color:var(--ink);}
.btn-light:hover{background:#F2F7F3;transform:translateY(-1px);}
.link-arrow{
  display:inline-flex;align-items:center;gap:6px;color:var(--brand-d);font-weight:700;font-size:14px;
}
.link-arrow i{font-style:normal;transition:transform var(--ease);}
.link-arrow:hover i{transform:translateX(3px);}

/* ============ 徽章 ============ */
.tag{
  display:inline-flex;align-items:center;gap:6px;height:24px;padding:0 10px;border-radius:999px;
  background:var(--brand-l);color:var(--brand-d);font-size:12px;font-weight:700;
}
.tag-accent{background:var(--accent);color:var(--ink);}
.tag-ink{background:rgba(11,31,23,.75);color:#fff;font-weight:600;}
.status{display:inline-flex;align-items:center;gap:6px;font-size:12px;color:var(--muted);}
.status::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--brand);}
.status.is-warn::before{background:var(--cta);}
.status.is-idle::before{background:#8A9A90;}

/* ============ 面包屑 ============ */
.crumb{margin-bottom:var(--sp-4);}
.crumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--muted);}
.crumb li{display:flex;align-items:center;gap:8px;}
.crumb li+li::before{content:"/";color:#B9C4BD;}
.crumb a:hover{color:var(--brand-d);}
.crumb [aria-current="page"]{color:var(--text);font-weight:600;}

/* ============ Hero ============ */
.hero{position:relative;overflow:hidden;background:var(--bg);border-bottom:1px solid var(--line);}
.hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:repeating-linear-gradient(135deg,rgba(22,161,99,.08) 0 1px,transparent 1px 13px);
}
.hero::after{
  content:"";position:absolute;right:-120px;top:-140px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(22,161,99,.16),transparent 66%);pointer-events:none;
}
.hero .container{position:relative;z-index:1;padding-top:40px;padding-bottom:44px;}
.hero h1{font-size:36px;line-height:1.25;font-weight:800;max-width:860px;letter-spacing:-.2px;}
.hero h1 em{font-style:normal;color:var(--brand-d);}
.hero-sub{max-width:720px;margin-top:var(--sp-4);font-size:15px;line-height:1.85;color:var(--muted);}
.hero-actions{display:flex;flex-wrap:wrap;gap:var(--sp-3);margin-top:var(--sp-5);}
.hero-meta{display:flex;flex-wrap:wrap;gap:var(--sp-5);margin-top:var(--sp-5);}

/* ============ 锚点条 ============ */
.anchor-bar{
  position:sticky;top:64px;z-index:60;background:rgba(245,247,244,.96);
  -webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);padding:10px 0;
}
.anchor-track{display:flex;gap:8px;overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none;}
.anchor-track::-webkit-scrollbar{display:none;}
.anchor-track a{
  flex:0 0 auto;padding:7px 14px;border-radius:999px;border:1px solid var(--line);background:#fff;
  font-size:13px;color:var(--muted);transition:border-color var(--ease),color var(--ease),background var(--ease);
}
.anchor-track a:hover{border-color:var(--brand);color:var(--brand-d);background:var(--brand-l);}

/* ============ 通用板块 ============ */
.section{padding:var(--sp-9) 0;}
.section--alt{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.section--tight{padding:var(--sp-8) 0;}
.sec-head{max-width:760px;margin-bottom:var(--sp-6);}
.sec-head h2{
  position:relative;padding-left:14px;font-size:28px;line-height:1.35;font-weight:800;
}
.sec-head h2::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;border-radius:2px;background:var(--brand);
}
.sec-head p{margin-top:var(--sp-3);font-size:15px;line-height:1.85;color:var(--muted);}
.sec-aside{display:flex;justify-content:space-between;align-items:flex-end;gap:var(--sp-5);flex-wrap:wrap;margin-bottom:var(--sp-6);}
.sec-aside .sec-head{margin-bottom:0;}

/* ============ 卡片栅格 ============ */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--sp-5);}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:var(--sp-4);}
.card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;
  box-shadow:var(--shadow-sm);display:flex;flex-direction:column;
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.card:hover{transform:translateY(-2px);box-shadow:var(--shadow-md);border-color:#D6E2D9;}
.card-media{position:relative;aspect-ratio:16/10;overflow:hidden;background:#DCE7DF;}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform 320ms ease;}
.card:hover .card-media img{transform:scale(1.04);}
.card-media .tag{position:absolute;left:12px;top:12px;box-shadow:0 2px 8px rgba(11,31,23,.18);}
.card-body{padding:var(--sp-5);display:flex;flex-direction:column;gap:10px;flex:1;}
.card-body h3{font-size:18px;line-height:1.5;font-weight:700;}
.card-body p{font-size:14px;line-height:1.75;color:var(--muted);}
.card-foot{margin-top:auto;padding-top:var(--sp-3);border-top:1px solid var(--line);display:flex;justify-content:space-between;align-items:center;font-size:12px;color:var(--muted);}

/* ============ 步骤条 ============ */
.steps{position:relative;max-width:900px;}
.step{
  position:relative;display:grid;grid-template-columns:64px 1fr;gap:var(--sp-5);padding-bottom:var(--sp-6);
}
.step:last-child{padding-bottom:0;}
.step:not(:last-child)::before{
  content:"";position:absolute;left:31px;top:64px;bottom:0;width:2px;background:var(--line);
}
.step-num{
  width:64px;height:64px;border-radius:50%;display:grid;place-items:center;flex:0 0 auto;
  background:var(--brand-l);color:var(--brand-d);font-size:20px;font-weight:800;
  border:2px solid #fff;box-shadow:0 0 0 1px var(--line);font-variant-numeric:tabular-nums;
}
.step-body{padding-top:6px;}
.step-body h3{font-size:19px;font-weight:700;line-height:1.5;display:flex;align-items:center;gap:10px;flex-wrap:wrap;}
.step-body p{margin-top:8px;font-size:14px;line-height:1.8;color:var(--muted);max-width:640px;}
.step-points{display:flex;flex-wrap:wrap;gap:8px;margin-top:var(--sp-3);}
.chip{
  display:inline-flex;align-items:center;gap:6px;padding:5px 12px;border-radius:999px;
  border:1px solid var(--line);background:#fff;font-size:12px;color:var(--muted);
}
.chip::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--brand);}

/* ============ 数据条 ============ */
.stats{
  position:relative;overflow:hidden;background:var(--ink);color:#fff;border-radius:var(--radius-lg);
  padding:var(--sp-7);display:grid;grid-template-columns:repeat(4,1fr);gap:var(--sp-5);
}
.stats::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:repeating-linear-gradient(135deg,rgba(255,255,255,.05) 0 1px,transparent 1px 12px);
}
.stat{position:relative;}
.stat b{
  display:block;font-size:36px;line-height:1.1;font-weight:800;color:var(--accent);
  font-variant-numeric:tabular-nums;
}
.stat span{display:block;margin-top:8px;font-size:13px;line-height:1.7;color:rgba(255,255,255,.72);}
.stats-note{
  position:relative;margin-top:var(--sp-5);padding-top:var(--sp-5);
  border-top:1px solid rgba(255,255,255,.14);font-size:13px;color:rgba(255,255,255,.66);line-height:1.8;
}

/* ============ 设备卡 ============ */
.dev-card{
  background:var(--card);border:1px solid var(--line);border-left:4px solid var(--brand);
  border-radius:var(--radius-sm);padding:var(--sp-5);
  transition:box-shadow var(--ease),transform var(--ease);
}
.dev-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-md);}
.dev-card h3{font-size:16px;font-weight:700;display:flex;align-items:center;gap:8px;}
.dev-card p{margin-top:8px;font-size:14px;line-height:1.75;color:var(--muted);}
.dev-card ul{margin-top:var(--sp-3);display:grid;gap:6px;}
.dev-card li{position:relative;padding-left:16px;font-size:14px;color:var(--muted);}
.dev-card li::before{content:"";position:absolute;left:0;top:11px;width:6px;height:6px;border-radius:50%;background:var(--brand);}

/* ============ FAQ ============ */
.faq-list{max-width:900px;}
.faq-item{background:var(--card);border:1px solid var(--line);border-radius:var(--radius-sm);margin-bottom:12px;overflow:hidden;transition:border-color var(--ease),box-shadow var(--ease);}
.faq-item:hover{border-color:#D6E2D9;box-shadow:var(--shadow-sm);}
.faq-q{
  width:100%;min-height:48px;padding:14px 20px;display:flex;align-items:center;justify-content:space-between;gap:var(--sp-4);
  text-align:left;font-size:16px;font-weight:700;line-height:1.6;
}
.faq-q i{
  flex:0 0 auto;font-style:normal;font-size:14px;color:var(--brand-d);
  transition:transform 200ms ease;
}
.faq-item.is-open .faq-q i{transform:rotate(180deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height 200ms ease;}
.faq-a p{padding:0 20px 18px;font-size:14px;line-height:1.85;color:var(--muted);}

/* ============ 底部 CTA ============ */
.cta-band{
  position:relative;overflow:hidden;border-radius:var(--radius-lg);padding:var(--sp-7);
  background:linear-gradient(135deg,var(--brand-d),var(--brand));
  color:#fff;display:flex;align-items:center;justify-content:space-between;gap:var(--sp-6);flex-wrap:wrap;
}
.cta-band::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:repeating-linear-gradient(135deg,rgba(255,255,255,.07) 0 1px,transparent 1px 12px);
}
.cta-band > *{position:relative;z-index:1;}
.cta-band h2{font-size:26px;line-height:1.4;font-weight:800;}
.cta-band p{margin-top:10px;font-size:14px;line-height:1.8;color:rgba(255,255,255,.85);max-width:560px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:var(--sp-3);}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink);color:rgba(255,255,255,.78);margin-top:var(--sp-9);font-size:14px;}
.footer-grid{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:var(--sp-6);
  padding:var(--sp-8) 0 var(--sp-6);
}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:var(--sp-4);}
.footer-brand b{color:#fff;font-size:16px;font-weight:800;}
.site-footer p{font-size:13px;line-height:1.85;color:rgba(255,255,255,.64);max-width:320px;}
.site-footer h4{margin-bottom:var(--sp-4);font-size:14px;font-weight:700;color:rgba(255,255,255,.55);}
.footer-links{display:grid;gap:10px;}
.footer-links a{font-size:14px;color:rgba(255,255,255,.78);transition:color var(--ease);}
.footer-links a:hover{color:var(--accent);}
.footer-bottom{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:var(--sp-3);
  padding:var(--sp-4) 0 var(--sp-6);border-top:1px solid rgba(255,255,255,.12);
  font-size:13px;color:rgba(255,255,255,.5);
}

/* ============ 移动端吸底条 ============ */
.sticky-cta{
  position:fixed;left:0;right:0;bottom:0;z-index:90;
  display:none;align-items:center;gap:12px;padding:10px 16px;
  background:rgba(255,255,255,.97);border-top:1px solid var(--line);
  box-shadow:0 -8px 24px rgba(11,31,23,.10);
  transform:translateY(120%);transition:transform 250ms ease;
}
.sticky-cta.is-show{transform:translateY(0);}
.sticky-info{flex:1;min-width:0;}
.sticky-info b{display:block;font-size:14px;font-weight:800;line-height:1.3;}
.sticky-info span{display:block;font-size:12px;color:var(--muted);line-height:1.5;}
.sticky-close{
  width:32px;height:32px;border-radius:50%;background:#F1F4F1;color:var(--muted);
  display:grid;place-items:center;font-size:16px;line-height:1;flex:0 0 auto;
}
.sticky-close:hover{background:var(--brand-l);color:var(--brand-d);}

/* ============ 响应式 ============ */
@media (max-width:1279px){
  .hero h1{font-size:32px;}
}
@media (max-width:1023px){
  .section{padding:var(--sp-8) 0;}
  .grid-3{grid-template-columns:repeat(2,1fr);}
  .stats{grid-template-columns:repeat(2,1fr);padding:var(--sp-6);}
  .footer-grid{grid-template-columns:repeat(2,1fr);gap:var(--sp-5);}
}
@media (max-width:900px){
  .nav{height:56px;gap:var(--sp-3);}
  .nav-channels{
    position:fixed;left:0;right:0;top:56px;bottom:0;margin-left:0;
    flex-direction:column;align-items:stretch;gap:6px;padding:var(--sp-5);
    background:#fff;overflow-y:auto;
    transform:translateX(-100%);transition:transform 250ms ease;
    border-top:1px solid var(--line);
  }
  .nav-channels.is-open{transform:translateX(0);}
  .nav-channels a{padding:14px 16px;font-size:16px;border-radius:12px;background:#F7FAF7;}
  .nav-channels a::after{display:none;}
  .nav-channels a.is-active{background:var(--brand-l);}
  .nav-toggle{display:inline-flex;}
  .anchor-bar{top:56px;}
  html{scroll-padding-top:130px;}
  .sticky-cta{display:flex;}
  .site-footer{padding-bottom:76px;}
}
@media (max-width:767px){
  .container{padding:0 var(--sp-4);}
  .hero .container{padding-top:32px;padding-bottom:36px;}
  .hero h1{font-size:28px;}
  .hero-sub{font-size:14px;}
  .sec-head h2{font-size:22px;}
  .section{padding:var(--sp-7) 0;}
  .grid-3{grid-template-columns:1fr;gap:var(--sp-4);}
  .grid-2{grid-template-columns:1fr;}
  .stats{grid-template-columns:1fr;gap:var(--sp-4);padding:var(--sp-6) var(--sp-5);}
  .stat b{font-size:30px;}
  .step{grid-template-columns:48px 1fr;gap:var(--sp-4);}
  .step-num{width:48px;height:48px;font-size:16px;}
  .step:not(:last-child)::before{left:23px;top:48px;}
  .cta-band{padding:var(--sp-6) var(--sp-5);flex-direction:column;align-items:flex-start;}
  .cta-band h2{font-size:22px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{flex:1;}
  .footer-grid{grid-template-columns:1fr;padding-top:var(--sp-7);}
  .site-footer p{max-width:none;}
  .nav-right .badge-time{display:none;}
  .logo-text span{display:none;}
}
@media (max-width:520px){
  .nav-right > .btn{display:none;}
  .hero-actions .btn{flex:1;}
  .faq-q{font-size:15px;padding:14px 16px;}
  .faq-a p{padding:0 16px 16px;}
  .steps .step-body h3{font-size:17px;}
}