/* roulang page: index */
:root{
  --c-primary:#16C79A;
  --c-primary-deep:#0B8F6E;
  --c-primary-soft:#E4F8F1;
  --c-accent:#FF7A45;
  --c-accent-soft:#FFEDE3;
  --c-ink:#0E1B1A;
  --c-text:#1B2A28;
  --c-muted:#5A6F6B;
  --c-line:#E3EDE9;
  --c-bg:#FFFFFF;
  --c-bg-soft:#F6F9F7;
  --r-sm:10px;
  --r-md:16px;
  --r-lg:24px;
  --r-pill:999px;
  --sh-1:0 6px 18px rgba(14,27,26,.06);
  --sh-2:0 14px 34px rgba(14,27,26,.10);
  --container:1200px;
  --sec-y:clamp(56px,7vw,96px);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Noto Sans SC","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--c-text);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:var(--c-primary-deep);text-decoration:none;transition:color .22s ease,background-color .22s ease,border-color .22s ease,transform .22s ease,box-shadow .22s ease;}
a:hover{color:var(--c-primary);}
a:focus-visible,button:focus-visible,input:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px;}
button{font-family:inherit;cursor:pointer;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:-.01em;color:var(--c-ink);}
p{margin:0;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 20px;}
@media (min-width:768px){.container{padding:0 24px;}}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum";}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 24px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;line-height:1.2;
  border:1.5px solid transparent;background:none;
  transition:background-color .22s ease,color .22s ease,border-color .22s ease,transform .22s ease,box-shadow .22s ease;
}
.btn-primary{background:var(--c-primary);color:#fff;box-shadow:0 8px 20px rgba(22,199,154,.26);}
.btn-primary:hover{background:var(--c-primary-deep);color:#fff;transform:translateY(-1px);}
.btn-ghost{background:transparent;border-color:var(--c-primary);color:var(--c-primary-deep);}
.btn-ghost:hover{background:var(--c-primary-soft);color:var(--c-primary-deep);}
.btn-light{background:rgba(255,255,255,.14);border-color:rgba(255,255,255,.55);color:#fff;}
.btn-light:hover{background:rgba(255,255,255,.24);color:#fff;}
.btn-sm{padding:9px 18px;font-size:14px;}
.btn-block{width:100%;}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-weight:600;font-size:15px;color:var(--c-primary-deep);}
.link-arrow span{display:inline-block;transition:transform .22s ease;}
.link-arrow:hover span{transform:translateX(4px);}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:90;background:rgba(255,255,255,.94);border-bottom:1px solid var(--c-line);transition:box-shadow .25s ease,background-color .25s ease;}
.site-header.is-scrolled{box-shadow:var(--sh-1);background:#fff;}
.brand-row{display:flex;align-items:center;justify-content:space-between;gap:20px;height:72px;transition:height .25s ease;}
.site-header.is-scrolled .brand-row{height:56px;}
.logo{display:inline-flex;align-items:center;gap:10px;color:var(--c-ink);}
.logo:hover{color:var(--c-ink);}
.logo-mark{width:32px;height:32px;border-radius:10px;background:linear-gradient(135deg,var(--c-primary),var(--c-primary-deep));display:flex;align-items:center;justify-content:center;flex:none;}
.logo-mark svg{width:19px;height:19px;display:block;}
.logo-text{display:flex;flex-direction:column;line-height:1.15;}
.logo-text b{font-size:17px;font-weight:700;letter-spacing:-.01em;}
.logo-text small{font-size:11px;color:var(--c-muted);letter-spacing:.14em;font-weight:500;}
.brand-tools{display:flex;align-items:center;gap:14px;}
.nav-search{display:flex;align-items:center;background:var(--c-bg-soft);border:1px solid var(--c-line);border-radius:var(--r-pill);padding:0 14px;height:40px;transition:border-color .22s ease,background-color .22s ease;}
.nav-search:focus-within{border-color:var(--c-primary);background:#fff;}
.nav-search input{border:0;background:none;outline:none;font-size:14px;color:var(--c-text);width:216px;font-family:inherit;}
.nav-search input::placeholder{color:#93a5a1;}
.nav-toggle{display:none;width:40px;height:40px;border-radius:12px;border:1px solid var(--c-line);background:#fff;align-items:center;justify-content:center;flex-direction:column;gap:4px;padding:0;}
.nav-toggle i{display:block;width:16px;height:2px;background:var(--c-ink);border-radius:2px;}

.channel-bar{border-top:1px solid var(--c-line);background:#fff;}
.channel-row{display:flex;align-items:center;justify-content:space-between;gap:24px;height:46px;}
.channel-list{display:flex;align-items:center;gap:28px;}
.channel-list a{position:relative;display:inline-block;font-size:14px;font-weight:500;color:var(--c-text);padding:12px 0;white-space:nowrap;}
.channel-list a:hover{color:var(--c-primary-deep);}
.channel-list a.is-active{color:var(--c-primary-deep);font-weight:700;}
.channel-list a.is-active::after{content:"";position:absolute;left:0;right:0;bottom:4px;height:2px;border-radius:2px;background:var(--c-primary);}
.hot-words{display:flex;align-items:center;gap:8px;font-size:12.5px;color:var(--c-muted);white-space:nowrap;}
.hot-words a{color:var(--c-muted);}
.hot-words a:hover{color:var(--c-primary-deep);}
.hot-words .dot{color:#c6d5d1;}

.mobile-drawer{position:fixed;inset:56px 0 0;background:#fff;z-index:80;padding:24px 20px 40px;overflow-y:auto;display:none;}
.mobile-drawer.is-open{display:block;}
.mobile-drawer h4{font-size:12px;letter-spacing:.16em;color:var(--c-muted);font-weight:600;margin-bottom:12px;}
.mobile-drawer ul{margin-bottom:28px;}
.mobile-drawer ul li a{display:block;padding:12px 0;font-size:16px;font-weight:600;color:var(--c-ink);border-bottom:1px solid var(--c-line);}
.mobile-drawer .drawer-hot{display:flex;flex-wrap:wrap;gap:10px;}
.mobile-drawer .drawer-hot a{font-size:13px;color:var(--c-muted);background:var(--c-bg-soft);border:1px solid var(--c-line);border-radius:var(--r-pill);padding:6px 12px;}
body.drawer-open{overflow:hidden;}

/* ---------- sections ---------- */
.section{padding:var(--sec-y) 0;position:relative;}
.section--soft{background:var(--c-bg-soft);border-top:1px solid var(--c-line);}
.section--white{background:#fff;border-top:1px solid var(--c-line);}
.section--dark{background:var(--c-ink);border-top:1px solid rgba(255,255,255,.08);color:#dfeeea;}
.section--dark h2,.section--dark h3,.section--dark h4{color:#fff;}
.section--dark .sec-desc{color:#a9c2bc;}
.section--tint{background:linear-gradient(180deg,var(--c-primary-soft) 0%,#F3FBF8 100%);border-top:1px solid var(--c-line);}

.sec-head{max-width:760px;margin-bottom:40px;}
.sec-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.sec-kicker{display:inline-block;font-size:12.5px;font-weight:600;letter-spacing:.14em;color:var(--c-primary-deep);background:var(--c-primary-soft);border-radius:var(--r-pill);padding:5px 14px;margin-bottom:14px;}
.section--dark .sec-kicker{background:rgba(22,199,154,.16);color:#7de6c9;}
.sec-head h2{font-size:clamp(24px,2.6vw,36px);line-height:1.3;}
.sec-desc{margin-top:14px;font-size:15.5px;color:var(--c-muted);}
.sec-head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;margin-bottom:36px;}
.sec-head-row .sec-head{margin-bottom:0;}

/* ---------- hero ---------- */
.hero{position:relative;overflow:hidden;background:var(--c-ink);}
.hero-media{position:absolute;inset:0;background-image:url('/assets/images/5542c73672cd2d03.jpg');background-size:cover;background-position:center;transform:scale(1.02);}
.hero-veil{position:absolute;inset:0;background:linear-gradient(105deg,rgba(9,26,24,.94) 0%,rgba(9,26,24,.78) 46%,rgba(9,26,24,.42) 100%);}
.hero-content{position:relative;z-index:2;padding:clamp(64px,9vw,110px) 20px clamp(48px,6vw,72px);color:#fff;}
@media (min-width:768px){.hero-content{padding-left:24px;padding-right:24px;}}
.hero-eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;letter-spacing:.1em;color:#8ff0d5;background:rgba(22,199,154,.16);border:1px solid rgba(22,199,154,.35);border-radius:var(--r-pill);padding:6px 14px;margin-bottom:22px;}
.hero h1{color:#fff;font-size:clamp(30px,4vw,52px);line-height:1.16;max-width:880px;}
.hero-sub{margin-top:18px;font-size:clamp(16px,1.6vw,19px);font-weight:600;color:#d6f5ec;max-width:760px;}
.hero-desc{margin-top:16px;font-size:15.5px;line-height:1.9;color:#b9d3cd;max-width:720px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;}
.hero-stats{display:flex;flex-wrap:wrap;gap:36px;margin-top:38px;padding-top:26px;border-top:1px solid rgba(255,255,255,.16);}
.hero-stat b{display:block;font-size:26px;line-height:1.1;color:#fff;font-variant-numeric:tabular-nums;}
.hero-stat span{display:block;margin-top:6px;font-size:12.5px;color:#9fbdb7;}
.hero-strip{margin-top:34px;display:grid;gap:10px;grid-template-columns:1fr;background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.14);border-radius:var(--r-md);padding:16px;}
.hero-strip-item{display:flex;align-items:center;gap:12px;font-size:13.5px;color:#cfe8e2;}
.hero-strip-item i{width:24px;height:24px;flex:none;border-radius:50%;border:1.5px solid var(--c-primary);display:flex;align-items:center;justify-content:center;font-style:normal;font-size:12px;color:var(--c-accent);font-weight:700;background:rgba(22,199,154,.12);}
@media (min-width:768px){.hero-strip{grid-template-columns:repeat(3,1fr);}}

/* ---------- download ---------- */
.dl-grid{display:grid;gap:18px;grid-template-columns:1fr;}
@media (min-width:640px){.dl-grid{grid-template-columns:repeat(3,1fr);}}
.dl-card{background:#fff;border:1px solid var(--c-line);border-radius:var(--r-md);padding:28px 24px;box-shadow:var(--sh-1);transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease;display:flex;flex-direction:column;}
.dl-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:rgba(22,199,154,.4);}
.dl-icon{width:44px;height:44px;border-radius:12px;background:var(--c-primary-soft);display:flex;align-items:center;justify-content:center;margin-bottom:16px;}
.dl-icon svg{width:22px;height:22px;stroke:var(--c-primary-deep);fill:none;stroke-width:1.6;}
.dl-card h3{font-size:18px;margin-bottom:8px;}
.dl-card p{font-size:14px;color:var(--c-muted);line-height:1.75;margin-bottom:20px;}
.dl-card .btn{margin-top:auto;}

/* ---------- pain ---------- */
.pain-item{position:relative;padding:26px 22px 24px;background:#fff;border:1px solid var(--c-line);border-radius:var(--r-md);box-shadow:var(--sh-1);height:100%;transition:transform .24s ease,box-shadow .24s ease;}
.pain-item:hover{transform:translateY(-3px);box-shadow:var(--sh-2);}
.pain-num{font-size:44px;line-height:1;font-weight:700;color:rgba(22,199,154,.26);font-variant-numeric:tabular-nums;margin-bottom:10px;}
.pain-item h3{font-size:17px;margin-bottom:10px;}
.pain-item p{font-size:14.5px;color:var(--c-muted);}

/* ---------- solution ---------- */
.solution-figure{border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-2);background:var(--c-bg-soft);height:100%;min-height:280px;}
.solution-figure img{width:100%;height:100%;object-fit:cover;}
.point-list{margin-top:26px;display:grid;gap:20px;}
.point-list li{padding-left:18px;border-left:2px solid var(--c-primary);}
.point-list h3{font-size:16.5px;margin-bottom:6px;}
.point-list p{font-size:14.5px;color:var(--c-muted);}

/* ---------- steps ---------- */
.steps{position:relative;display:grid;gap:20px;grid-template-columns:1fr;}
@media (min-width:600px){.steps{grid-template-columns:repeat(2,1fr);}}
@media (min-width:1024px){.steps{grid-template-columns:repeat(4,1fr);gap:14px;}}
.steps::before{content:"";display:none;}
@media (min-width:1024px){.steps::before{display:block;position:absolute;left:8%;right:8%;top:28px;height:1px;background:rgba(22,199,154,.35);}}
.step{position:relative;background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.12);border-radius:var(--r-md);padding:22px 20px;z-index:1;}
.step-num{width:44px;height:44px;border-radius:50%;border:1.5px solid var(--c-primary);display:flex;align-items:center;justify-content:center;font-size:17px;font-weight:700;color:var(--c-accent);background:rgba(14,27,26,.9);margin-bottom:16px;font-variant-numeric:tabular-nums;}
.step h3{font-size:16.5px;margin-bottom:8px;}
.step p{font-size:14px;color:#a9c2bc;}

/* ---------- feature matrix ---------- */
.feature-card{background:#fff;border:1px solid var(--c-line);border-radius:var(--r-md);box-shadow:var(--sh-1);padding:26px 24px;height:100%;transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease;}
.feature-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:rgba(22,199,154,.4);}
.feature-card .ico{width:22px;height:22px;margin-bottom:16px;}
.feature-card .ico svg{width:22px;height:22px;fill:none;stroke:var(--c-primary);stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round;}
.feature-card h3{font-size:17px;margin-bottom:8px;}
.feature-card p{font-size:14.5px;color:var(--c-muted);}

/* ---------- match ---------- */
.match-panel{background:#fff;border:1px solid var(--c-line);border-radius:var(--r-md);box-shadow:var(--sh-2);overflow:hidden;}
.match-panel-head{padding:16px 20px;background:var(--c-primary-soft);border-bottom:1px solid var(--c-line);font-size:13px;font-weight:600;color:var(--c-primary-deep);letter-spacing:.04em;}
.match-row{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:16px 20px;border-bottom:1px solid var(--c-line);font-size:14px;}
.match-row:last-child{border-bottom:0;}
.match-row span{color:var(--c-muted);}
.match-row b{font-weight:600;color:var(--c-ink);font-variant-numeric:tabular-nums;}

/* ---------- metrics ---------- */
.metric-col{text-align:left;padding:6px 0 0;}
.metric-col b{display:block;font-size:clamp(40px,5vw,56px);line-height:1;color:var(--c-primary-deep);font-variant-numeric:tabular-nums;letter-spacing:-.02em;}
.metric-col span{display:block;margin-top:12px;font-size:13px;color:var(--c-muted);}
.metric-col i{display:block;margin-top:18px;height:1px;background:var(--c-line);width:100%;}

/* ---------- cases (跑团/跑者) ---------- */
.case-card{position:relative;background:#fff;border:1px solid var(--c-line);border-left:4px solid var(--c-primary);border-radius:var(--r-md);padding:26px 24px;box-shadow:var(--sh-1);height:100%;}
.case-card .qmark{font-size:38px;line-height:1;color:rgba(22,199,154,.28);font-weight:700;margin-bottom:8px;}
.case-card h3{font-size:16.5px;margin-bottom:10px;}
.case-card p{font-size:14.5px;color:var(--c-muted);}
.case-card .who{margin-top:16px;font-size:12.5px;color:#8a9c98;font-variant-numeric:tabular-nums;}

/* ---------- audience ---------- */
.aud-card{background:#fff;border:1px solid var(--c-line);border-radius:var(--r-md);padding:22px 20px;box-shadow:var(--sh-1);height:100%;transition:transform .24s ease,box-shadow .24s ease;}
.aud-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);}
.badge{display:inline-block;border-radius:var(--r-pill);font-size:12px;font-weight:500;padding:4px 10px;line-height:1.5;}
.badge-primary{background:var(--c-primary-soft);color:var(--c-primary-deep);}
.badge-accent{background:var(--c-accent-soft);color:#C6522A;}
.aud-card h3{font-size:16px;margin:12px 0 8px;}
.aud-card p{font-size:14px;color:var(--c-muted);}

/* ---------- cities ---------- */
.city-grid{display:grid;gap:10px;grid-template-columns:repeat(2,1fr);}
@media (min-width:768px){.city-grid{grid-template-columns:repeat(4,1fr);}}
.city-item{display:block;padding:14px 12px;border:1px solid rgba(255,255,255,.16);border-radius:var(--r-sm);background:rgba(255,255,255,.05);transition:background-color .22s ease,border-color .22s ease,transform .22s ease;}
.city-item:hover{background:rgba(22,199,154,.16);border-color:rgba(22,199,154,.5);transform:translateY(-2px);}
.city-item b{display:block;font-size:15px;color:#fff;font-weight:600;}
.city-item span{display:block;margin-top:4px;font-size:12px;color:#9fbdb7;}

/* ---------- scenes ---------- */
.scene-card{background:#fff;border:1px solid var(--c-line);border-radius:var(--r-md);overflow:hidden;box-shadow:var(--sh-1);height:100%;transition:transform .24s ease,box-shadow .24s ease;}
.scene-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);}
.scene-figure{aspect-ratio:16/10;overflow:hidden;background:var(--c-bg-soft);}
.scene-figure img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease;}
.scene-card:hover .scene-figure img{transform:scale(1.03);}
.scene-body{padding:18px 18px 20px;}
.scene-body h3{font-size:16.5px;margin-bottom:6px;}
.scene-body p{font-size:12.5px;color:var(--c-muted);}

/* ---------- safety ---------- */
.rule-list{display:grid;gap:14px 32px;grid-template-columns:1fr;}
@media (min-width:768px){.rule-list{grid-template-columns:repeat(2,1fr);}}
.rule-list li{display:flex;gap:10px;font-size:14.5px;color:var(--c-muted);}
.rule-list li::before{content:"";flex:none;width:6px;height:6px;border-radius:50%;background:var(--c-primary);margin-top:11px;}
.foot-note{margin-top:24px;font-size:12.5px;color:#8a9c98;}

/* ---------- compare ---------- */
.compare-card{background:#fff;border:1px solid var(--c-line);border-radius:var(--r-md);padding:26px 24px;height:100%;box-shadow:var(--sh-1);}
.compare-card.is-good{border:1.5px solid var(--c-primary);box-shadow:var(--sh-2);}
.compare-card h3{font-size:17px;margin-bottom:16px;}
.compare-card ul li{display:flex;gap:10px;font-size:14.5px;color:var(--c-muted);padding:9px 0;border-bottom:1px dashed var(--c-line);}
.compare-card ul li:last-child{border-bottom:0;}
.compare-card ul li em{font-style:normal;flex:none;font-weight:700;color:#9FB3AE;}
.compare-card.is-good ul li{color:var(--c-text);}
.compare-card.is-good ul li em{color:var(--c-primary-deep);}

/* ---------- news ---------- */
.news-card{background:#fff;border:1px solid var(--c-line);border-radius:var(--r-md);overflow:hidden;box-shadow:var(--sh-1);height:100%;display:flex;flex-direction:column;transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease;}
.news-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:rgba(22,199,154,.4);}
.news-cover{display:block;aspect-ratio:16/9;overflow:hidden;background:var(--c-bg-soft);}
.news-cover img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease;}
.news-card:hover .news-cover img{transform:scale(1.03);}
.news-body{padding:18px 18px 20px;display:flex;flex-direction:column;flex:1;}
.news-body h3{font-size:16.5px;line-height:1.45;margin:10px 0 8px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-body h3 a{color:var(--c-ink);}
.news-body h3 a:hover{color:var(--c-primary-deep);}
.news-body p{font-size:13.5px;color:var(--c-muted);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;flex:1;}
.news-meta{margin-top:14px;font-size:12.5px;color:#8a9c98;font-variant-numeric:tabular-nums;display:flex;gap:10px;align-items:center;}
.news-empty{border:1px dashed var(--c-line);border-radius:var(--r-md);min-height:200px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;text-align:center;padding:32px 20px;color:var(--c-muted);font-size:14.5px;background:var(--c-bg-soft);}

/* ---------- club tools ---------- */
.club-feature{border-radius:var(--r-md);overflow:hidden;border:1px solid var(--c-line);background:#fff;box-shadow:var(--sh-1);height:100%;display:flex;flex-direction:column;}
.club-feature img{width:100%;aspect-ratio:16/10;object-fit:cover;}
.club-feature .cb{padding:22px;}
.club-feature h3{font-size:18px;margin-bottom:10px;}
.club-feature ul li{font-size:14px;color:var(--c-muted);padding-left:16px;position:relative;margin-bottom:8px;}
.club-feature ul li::before{content:"";position:absolute;left:0;top:10px;width:6px;height:6px;border-radius:50%;background:var(--c-primary);}
.club-list li{background:#fff;border:1px solid var(--c-line);border-radius:var(--r-md);padding:18px 20px;margin-bottom:12px;box-shadow:var(--sh-1);transition:transform .24s ease,box-shadow .24s ease;}
.club-list li:hover{transform:translateY(-2px);box-shadow:var(--sh-2);}
.club-list b{display:block;font-size:15.5px;color:var(--c-ink);margin-bottom:4px;}
.club-list span{font-size:13.5px;color:var(--c-muted);}
.club-list em{font-style:normal;font-weight:700;color:var(--c-accent);font-variant-numeric:tabular-nums;margin-right:8px;}

/* ---------- faq ---------- */
.accordion{border:0;background:none;}
.accordion-item{border:1px solid var(--c-line);border-radius:var(--r-md);margin-bottom:12px;overflow:hidden;background:#fff;box-shadow:var(--sh-1);}
.accordion-title{font-size:15px;font-weight:500;color:var(--c-ink);padding:18px 22px;border:0;transition:color .22s ease,background-color .22s ease;}
.accordion-title:hover{background:var(--c-bg-soft);color:var(--c-primary-deep);}
.accordion-item.is-active .accordion-title{color:var(--c-primary-deep);background:var(--c-primary-soft);}
.accordion-title::before{color:var(--c-primary);}
.accordion-content{padding:16px 22px 20px;font-size:14.5px;line-height:1.85;color:var(--c-muted);border:0;border-top:1px solid var(--c-line);}

/* ---------- progress band ---------- */
.gauge{display:grid;gap:20px;grid-template-columns:1fr;}
@media (min-width:768px){.gauge{grid-template-columns:repeat(2,1fr);}}
@media (min-width:1024px){.gauge{grid-template-columns:repeat(4,1fr);}}
.gauge-item h4{font-size:14px;color:#fff;font-weight:600;margin-bottom:10px;display:flex;justify-content:space-between;align-items:baseline;gap:10px;}
.gauge-item h4 span{font-size:12.5px;color:#8ff0d5;font-variant-numeric:tabular-nums;}
.gauge-track{height:4px;border-radius:var(--r-pill);background:rgba(255,255,255,.14);overflow:hidden;}
.gauge-fill{height:100%;border-radius:var(--r-pill);background:linear-gradient(90deg,var(--c-primary),var(--c-accent));}
.gauge-item p{margin-top:12px;font-size:13px;color:#a9c2bc;}

/* ---------- final cta ---------- */
.cta-wrap{display:grid;gap:28px;grid-template-columns:1fr;align-items:center;}
@media (min-width:1024px){.cta-wrap{grid-template-columns:1.15fr .85fr;gap:48px;}}
.cta-notes{background:#fff;border:1px solid var(--c-line);border-radius:var(--r-md);padding:24px;box-shadow:var(--sh-1);}
.cta-notes li{display:flex;gap:12px;font-size:14px;color:var(--c-muted);padding:10px 0;border-bottom:1px dashed var(--c-line);}
.cta-notes li:last-child{border-bottom:0;}
.cta-notes li em{font-style:normal;font-weight:700;color:var(--c-primary-deep);font-variant-numeric:tabular-nums;flex:none;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:24px;}

/* ---------- footer ---------- */
.site-footer{background:var(--c-ink);color:#a9c2bc;padding:56px 0 32px;}
.footer-top{display:grid;gap:32px;grid-template-columns:1fr;}
@media (min-width:860px){.footer-top{grid-template-columns:1.4fr 1fr 1fr;gap:48px;}}
.site-footer .logo-text b{color:#fff;}
.site-footer .logo-mark{background:linear-gradient(135deg,var(--c-primary),var(--c-primary-deep));}
.footer-brand p{margin-top:14px;font-size:13.5px;line-height:1.8;max-width:360px;color:#93aca6;}
.footer-col h4{font-size:13px;letter-spacing:.14em;color:#fff;margin-bottom:14px;font-weight:600;}
.footer-col ul li{margin-bottom:10px;}
.footer-col ul li a{font-size:14px;color:#a9c2bc;}
.footer-col ul li a:hover{color:var(--c-primary);}
.footer-bottom{margin-top:40px;padding-top:22px;border-top:1px solid rgba(255,255,255,.1);display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;font-size:12.5px;color:#7e9691;}
.footer-bottom a{color:#7e9691;}
.footer-bottom a:hover{color:var(--c-primary);}

/* ---------- responsive ---------- */
@media (max-width:1023px){
  .nav-search{display:none;}
  .hot-words{display:none;}
  .channel-row{height:44px;}
}
@media (max-width:767px){
  .brand-tools .btn{display:none;}
  .nav-toggle{display:flex;}
  .channel-list{overflow-x:auto;gap:20px;scrollbar-width:none;-ms-overflow-style:none;}
  .channel-list::-webkit-scrollbar{display:none;}
  .hero-stats{gap:24px;}
  .hero-stat b{font-size:22px;}
  .sec-head{margin-bottom:28px;}
  .dl-card,.feature-card,.pain-item{padding:22px 18px;}
  .case-card,.compare-card{padding:22px 18px;}
}
@media (max-width:479px){
  .hero h1{font-size:26px;}
  .metric-col b{font-size:36px;}
  .btn{padding:11px 20px;font-size:14px;}
  .hero-actions .btn{width:100%;}
}

/* roulang page: article */
:root{
  --c-primary:#16C79A;
  --c-primary-deep:#0B8F6E;
  --c-primary-soft:#E4F8F1;
  --c-accent:#FF7A45;
  --c-accent-soft:#FFEDE3;
  --c-ink:#0E1B1A;
  --c-text:#1B2A28;
  --c-muted:#5A6F6B;
  --c-line:#E3EDE9;
  --c-bg:#FFFFFF;
  --c-bg-soft:#F6F9F7;
  --r-sm:10px;
  --r-md:16px;
  --r-lg:24px;
  --r-pill:999px;
  --sh-1:0 6px 18px rgba(14,27,26,.06);
  --sh-2:0 14px 34px rgba(14,27,26,.10);
  --container:1200px;
  --sec-y:clamp(56px,7vw,96px);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Noto Sans SC","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--c-text);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
body.drawer-open{overflow:hidden;}
img{max-width:100%;display:block;border:0;}
a{color:var(--c-primary-deep);text-decoration:none;transition:color .22s ease,background-color .22s ease,border-color .22s ease,transform .22s ease,box-shadow .22s ease;}
a:hover{color:var(--c-primary);}
a:focus-visible,button:focus-visible,input:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px;}
button{font-family:inherit;cursor:pointer;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:-0.01em;color:var(--c-ink);}
p{margin:0 0 1em;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}
@media (max-width:767px){.container{padding:0 20px;}}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 24px;border-radius:var(--r-pill);font-size:15px;font-weight:600;line-height:1.2;border:1.5px solid transparent;background:none;transition:background-color .22s ease,color .22s ease,border-color .22s ease,transform .22s ease,box-shadow .22s ease;}
.btn-primary{background:var(--c-primary);color:#fff;box-shadow:0 8px 20px rgba(22,199,154,.26);}
.btn-primary:hover{background:var(--c-primary-deep);color:#fff;transform:translateY(-1px);}
.btn-ghost{background:transparent;border-color:var(--c-primary);color:var(--c-primary-deep);}
.btn-ghost:hover{background:var(--c-primary-soft);color:var(--c-primary-deep);}
.btn-sm{padding:9px 18px;font-size:14px;}
.btn-block{width:100%;}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-weight:600;font-size:15px;color:var(--c-primary-deep);}
.link-arrow span{display:inline-block;transition:transform .22s ease;}
.link-arrow:hover span{transform:translateX(4px);}

/* header */
.site-header{position:sticky;top:0;z-index:90;background:rgba(255,255,255,.94);border-bottom:1px solid var(--c-line);transition:box-shadow .25s ease,background-color .25s ease;}
.site-header.is-scrolled{box-shadow:var(--sh-1);background:#fff;}
.brand-row{display:flex;align-items:center;justify-content:space-between;gap:20px;height:72px;transition:height .25s ease;}
.site-header.is-scrolled .brand-row{height:56px;}
.logo{display:inline-flex;align-items:center;gap:10px;color:var(--c-ink);}
.logo:hover{color:var(--c-ink);}
.logo-mark{width:32px;height:32px;border-radius:10px;background:linear-gradient(135deg,var(--c-primary),var(--c-primary-deep));display:flex;align-items:center;justify-content:center;flex:none;}
.logo-mark svg{width:19px;height:19px;display:block;}
.logo-text{display:flex;flex-direction:column;line-height:1.15;}
.logo-text b{font-size:17px;font-weight:700;letter-spacing:-.01em;}
.logo-text small{font-size:11px;color:var(--c-muted);letter-spacing:.14em;font-weight:500;}
.brand-tools{display:flex;align-items:center;gap:14px;}
.nav-search{display:flex;align-items:center;background:var(--c-bg-soft);border:1px solid var(--c-line);border-radius:var(--r-pill);padding:0 14px;height:40px;transition:border-color .22s ease,background-color .22s ease;}
.nav-search:focus-within{border-color:var(--c-primary);background:#fff;}
.nav-search input{border:0;background:none;outline:none;font-size:14px;color:var(--c-text);width:216px;font-family:inherit;}
.nav-search input::placeholder{color:#93a5a1;}
.nav-toggle{display:none;width:40px;height:40px;border-radius:12px;border:1px solid var(--c-line);background:#fff;align-items:center;justify-content:center;flex-direction:column;gap:4px;padding:0;}
.nav-toggle i{display:block;width:16px;height:2px;background:var(--c-ink);border-radius:2px;}
.channel-bar{border-top:1px solid var(--c-line);background:rgba(255,255,255,.96);}
.channel-row{display:flex;align-items:center;justify-content:space-between;gap:24px;height:46px;}
.channel-list{display:flex;align-items:center;gap:28px;}
.channel-list a{position:relative;display:inline-block;font-size:14px;font-weight:500;color:var(--c-text);padding:12px 0;white-space:nowrap;}
.channel-list a:hover{color:var(--c-primary-deep);}
.channel-list a.is-active{color:var(--c-primary-deep);font-weight:700;}
.channel-list a.is-active::after{content:"";position:absolute;left:0;right:0;bottom:4px;height:2px;border-radius:2px;background:var(--c-primary);}
.hot-words{display:flex;align-items:center;gap:8px;font-size:12.5px;color:var(--c-muted);white-space:nowrap;}
.hot-words span:first-child{font-weight:600;letter-spacing:.08em;}
.hot-words a{color:var(--c-muted);}
.hot-words a:hover{color:var(--c-primary-deep);}
.hot-words .dot{color:#c3d4d0;}
.mobile-drawer{position:fixed;inset:0;background:#fff;z-index:120;padding:24px 20px 40px;overflow-y:auto;display:none;}
.mobile-drawer.is-open{display:block;}
.mobile-drawer .drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px;}
.mobile-drawer h4{font-size:12px;letter-spacing:.16em;color:var(--c-muted);font-weight:600;margin-bottom:12px;}
.mobile-drawer ul{margin-bottom:28px;}
.mobile-drawer ul li a{display:block;padding:12px 0;font-size:16px;font-weight:600;color:var(--c-ink);border-bottom:1px solid var(--c-line);}
.mobile-drawer .drawer-hot{display:flex;flex-wrap:wrap;gap:10px;}
.mobile-drawer .drawer-hot a{font-size:13px;color:var(--c-muted);background:var(--c-bg-soft);border:1px solid var(--c-line);border-radius:var(--r-pill);padding:6px 12px;}
.drawer-close{width:38px;height:38px;border-radius:50%;border:1px solid var(--c-line);background:var(--c-bg-soft);font-size:18px;line-height:1;color:var(--c-ink);}

/* sections */
.section{padding:var(--sec-y) 0;position:relative;}
.section--soft{background:var(--c-bg-soft);border-top:1px solid var(--c-line);}
.section--white{background:#fff;border-top:1px solid var(--c-line);}
.section--tint{background:linear-gradient(180deg,var(--c-primary-soft) 0%,#F3FBF8 100%);border-top:1px solid var(--c-line);}
.sec-head{margin-bottom:32px;}
.sec-kicker{display:inline-block;font-size:12.5px;font-weight:600;letter-spacing:.1em;color:var(--c-primary-deep);background:var(--c-primary-soft);border-radius:var(--r-pill);padding:5px 12px;margin-bottom:14px;}
.sec-title{font-size:clamp(24px,2.6vw,34px);line-height:1.3;}
.sec-desc{margin-top:10px;font-size:15px;color:var(--c-muted);max-width:720px;}

/* breadcrumb */
.crumb-section{padding:22px 0 0;background:#fff;}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:12.5px;color:var(--c-muted);}
.breadcrumb a{color:var(--c-muted);}
.breadcrumb a:hover{color:var(--c-primary-deep);}
.breadcrumb span.sep{color:#c3d4d0;}
.breadcrumb .current{color:var(--c-text);max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}

/* article hero */
.article-hero{background:#fff;padding:22px 0 var(--sec-y);}
.channel-tag{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;color:var(--c-primary-deep);letter-spacing:.04em;}
.channel-tag::before{content:"";display:inline-block;width:22px;height:3px;border-radius:2px;background:var(--c-primary);}
.article-title{font-size:clamp(26px,3.6vw,40px);line-height:1.3;margin:14px 0 16px;max-width:900px;}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:13px;color:var(--c-muted);}
.article-meta .dot{color:#c3d4d0;}
.badge{display:inline-flex;align-items:center;border-radius:var(--r-pill);padding:4px 10px;font-size:12px;font-weight:600;}
.badge-cat{background:var(--c-primary-soft);color:var(--c-primary-deep);}
.badge-accent{background:var(--c-accent-soft);color:#C24E1C;}
.article-cover{margin-top:26px;border-radius:var(--r-md);overflow:hidden;border:1px solid var(--c-line);box-shadow:var(--sh-1);}
.article-cover img{width:100%;aspect-ratio:16/9;object-fit:cover;}

/* lede */
.lede-card{background:var(--c-primary-soft);border-left:4px solid var(--c-primary);border-radius:var(--r-md);padding:24px 26px;}
.lede-card h2{font-size:17px;margin-bottom:14px;}
.lede-card ol{counter-reset:lede;}
.lede-card li{position:relative;padding-left:26px;font-size:14.8px;line-height:1.8;color:var(--c-text);margin-bottom:10px;}
.lede-card li:last-child{margin-bottom:0;}
.lede-card li::before{counter-increment:lede;content:counter(lede);position:absolute;left:0;top:3px;width:18px;height:18px;border-radius:50%;background:#fff;color:var(--c-primary-deep);font-size:11px;font-weight:700;display:flex;align-items:center;justify-content:center;font-variant-numeric:tabular-nums;}
.lede-card li b{font-weight:700;color:var(--c-ink);}

/* article layout */
.article-main{background:#fff;padding:var(--sec-y) 0;border-top:1px solid var(--c-line);}
.article-layout{padding-bottom:0;}
.article-layout .cell{margin-bottom:0;}
.article-body{max-width:720px;font-size:16.5px;line-height:1.9;color:var(--c-text);word-break:break-word;}
.article-body p{margin:0 0 1.4em;}
.article-body h2{font-size:22px;line-height:1.45;margin:40px 0 16px;}
.article-body h2::before{content:"";display:block;width:24px;height:3px;border-radius:2px;background:var(--c-primary);margin-bottom:12px;}
.article-body h3{font-size:18px;line-height:1.5;margin:28px 0 12px;}
.article-body h4{font-size:16px;margin:22px 0 10px;}
.article-body blockquote{margin:24px 0;padding:16px 20px;border-left:4px solid var(--c-primary);background:var(--c-primary-soft);border-radius:0 var(--r-sm) var(--r-sm) 0;font-style:normal;color:var(--c-text);}
.article-body ul,.article-body ol{padding-left:1.3em;margin:0 0 1.4em;list-style:disc;}
.article-body ol{list-style:decimal;}
.article-body li{margin-bottom:.4em;line-height:1.85;}
.article-body img{border:1px solid var(--c-line);border-radius:var(--r-md);margin:24px 0 10px;height:auto;}
.article-body figure{margin:24px 0;}
.article-body figcaption{font-size:12.5px;color:var(--c-muted);text-align:center;}
.article-body table{width:100%;border-collapse:collapse;font-size:14.5px;margin:24px 0;border:1px solid var(--c-line);border-radius:var(--r-sm);overflow:hidden;}
.article-body th{background:var(--c-bg-soft);text-align:left;font-weight:700;}
.article-body th,.article-body td{border-bottom:1px solid var(--c-line);padding:10px 12px;}
.article-body tbody tr:nth-child(even){background:#fbfdfc;}
.article-body a{color:var(--c-primary-deep);text-decoration:underline;text-underline-offset:3px;}

/* sidebar */
.side-sticky{position:sticky;top:88px;}
.toc-card,.download-card{border:1px solid var(--c-line);border-radius:var(--r-md);background:#fff;box-shadow:var(--sh-1);padding:20px 22px;margin-bottom:18px;}
.toc-card h3,.download-card h3{font-size:15px;margin-bottom:12px;}
.toc-card ol li{font-size:13.6px;line-height:1.6;margin-bottom:2px;}
.toc-card ol li a{display:block;padding:6px 0 6px 12px;color:var(--c-muted);border-left:2px solid var(--c-line);}
.toc-card ol li a:hover{color:var(--c-primary-deep);border-left-color:var(--c-primary);}
.toc-card ol li.toc-sub a{padding-left:24px;font-size:13px;}
.download-card{background:linear-gradient(180deg,#F1FBF7 0%,#FFFFFF 100%);border-color:#CDEDE2;}
.download-card p{font-size:13.5px;color:var(--c-muted);line-height:1.8;margin-bottom:14px;}
.download-list{display:flex;flex-direction:column;gap:8px;margin-top:10px;}
.download-list a{display:flex;align-items:center;justify-content:space-between;font-size:13.5px;font-weight:600;padding:9px 14px;border-radius:var(--r-pill);border:1.5px solid var(--c-primary);color:var(--c-primary-deep);background:#fff;}
.download-list a:hover{background:var(--c-primary-soft);}

/* author card */
.author-section{background:#fff;padding:0 0 var(--sec-y);}
.author-card{display:flex;align-items:center;gap:16px;flex-wrap:wrap;border:1px solid var(--c-line);border-radius:var(--r-md);background:var(--c-bg-soft);padding:20px 22px;box-shadow:var(--sh-1);max-width:760px;}
.author-avatar{width:48px;height:48px;border-radius:50%;background:linear-gradient(135deg,var(--c-primary),var(--c-primary-deep));display:flex;align-items:center;justify-content:center;flex:none;}
.author-avatar svg{width:22px;height:22px;}
.author-info{flex:1;min-width:200px;}
.author-info b{display:block;font-size:15px;}
.author-info span{font-size:13px;color:var(--c-muted);line-height:1.7;}

/* safety */
.rule-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px 28px;}
.rule-grid li{position:relative;padding-left:18px;font-size:14.5px;line-height:1.8;color:var(--c-text);}
.rule-grid li::before{content:"";position:absolute;left:0;top:11px;width:6px;height:6px;border-radius:50%;background:var(--c-primary);}

/* related */
.rel-card{display:block;height:100%;background:#fff;border:1px solid var(--c-line);border-radius:var(--r-md);overflow:hidden;box-shadow:var(--sh-1);transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease;margin-bottom:24px;}
.rel-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:rgba(22,199,154,.4);}
.rel-thumb{aspect-ratio:16/9;background:var(--c-bg-soft);overflow:hidden;}
.rel-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease;}
.rel-card:hover .rel-thumb img{transform:scale(1.03);}
.rel-body{padding:16px 18px 20px;}
.rel-body .badge{margin-bottom:10px;}
.rel-title{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;font-size:15.5px;font-weight:700;line-height:1.55;color:var(--c-ink);min-height:48px;}
.rel-card:hover .rel-title{color:var(--c-primary-deep);}
.rel-date{margin-top:10px;font-size:12.5px;color:var(--c-muted);}
.empty-state{border:1.5px dashed #C9DED8;border-radius:var(--r-md);background:var(--c-bg-soft);padding:44px 24px;text-align:center;min-height:200px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;}
.empty-state p{margin:0;font-size:14.5px;color:var(--c-muted);}
.missing-box{border:1.5px dashed #C9DED8;border-radius:var(--r-md);background:var(--c-bg-soft);padding:48px 24px;text-align:center;min-height:240px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:16px;}
.missing-box p{margin:0;font-size:15px;color:var(--c-muted);}

/* cta */
.cta-bar{background:linear-gradient(120deg,#E4F8F1 0%,#F4FBF8 60%,#FFEDE3 100%);border-top:1px solid var(--c-line);}
.cta-inner{display:grid;grid-template-columns:1.1fr .9fr;gap:36px;align-items:center;}
.cta-inner h2{font-size:clamp(22px,2.4vw,30px);line-height:1.35;}
.cta-inner p{margin:10px 0 22px;font-size:15px;color:var(--c-muted);max-width:560px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;align-items:center;}
.cta-panel{background:#fff;border:1px solid var(--c-line);border-radius:var(--r-lg);padding:24px;box-shadow:var(--sh-2);}
.cta-panel h3{font-size:15px;margin-bottom:12px;}
.cta-panel .download-list a{padding:11px 16px;}
.cta-back{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--c-primary-deep);margin-top:16px;}
.cta-back:hover span{transform:translateX(-4px);}
.cta-back span{transition:transform .22s ease;}

/* footer */
.site-footer{background:var(--c-ink);color:#c6d8d3;padding:56px 0 28px;}
.footer-top{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:40px;padding-bottom:32px;border-bottom:1px solid rgba(255,255,255,.12);}
.footer-brand .logo{margin-bottom:16px;}
.footer-brand .logo-text b{color:#fff;}
.footer-brand .logo-text small{color:#8fb2ab;}
.footer-brand p{font-size:13.5px;line-height:1.9;color:#9dbab4;max-width:460px;margin:0;}
.footer-col h4{font-size:13px;letter-spacing:.08em;color:#fff;margin-bottom:14px;}
.footer-col ul li{margin-bottom:8px;}
.footer-col ul li a{font-size:13.5px;color:#9dbab4;}
.footer-col ul li a:hover{color:var(--c-primary);}
.footer-bottom{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:10px;padding-top:20px;font-size:12.5px;color:#7c9c96;}

/* responsive */
@media (max-width:1023px){
  .nav-search{display:none;}
  .hot-words{display:none;}
  .channel-row{overflow-x:auto;height:44px;}
  .channel-list{gap:22px;}
  .channel-row::-webkit-scrollbar{display:none;}
  .side-sticky{position:static;margin-top:32px;}
  .cta-inner{grid-template-columns:1fr;}
  .footer-top{grid-template-columns:1fr 1fr;gap:32px;}
  .footer-brand{grid-column:1 / -1;}
}
@media (max-width:767px){
  .brand-tools .btn{display:none;}
  .nav-toggle{display:flex;}
  .article-title{font-size:26px;}
  .rule-grid{grid-template-columns:1fr;}
  .lede-card{padding:20px;}
  .footer-top{grid-template-columns:1fr;}
  .cta-inner p{margin-bottom:18px;}
}
@media (max-width:520px){
  .sec-title{font-size:22px;}
  .article-body{font-size:16px;}
  .article-body h2{font-size:20px;}
  .author-card{padding:16px;}
  .toc-card,.download-card{padding:16px 18px;}
  .cta-panel{padding:18px;}
  .btn{padding:11px 20px;font-size:14px;}
  .btn-block{width:100%;}
}

/* roulang page: category1 */
:root{
  --c-primary:#16C79A;
  --c-primary-deep:#0B8F6E;
  --c-primary-soft:#E4F8F1;
  --c-accent:#FF7A45;
  --c-accent-soft:#FFEDE3;
  --c-ink:#0E1B1A;
  --c-text:#1B2A28;
  --c-muted:#5A6F6B;
  --c-line:#E3EDE9;
  --c-bg:#FFFFFF;
  --c-bg-soft:#F6F9F7;
  --r-sm:10px;
  --r-md:16px;
  --r-lg:24px;
  --r-pill:999px;
  --sh-1:0 6px 18px rgba(14,27,26,.06);
  --sh-2:0 14px 34px rgba(14,27,26,.10);
  --container:1200px;
  --sec-y:clamp(56px,7vw,96px);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Noto Sans SC","Microsoft YaHei",sans-serif;
  font-size:16px;line-height:1.85;color:var(--c-text);background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,h5,h6,p,figure{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
img{max-width:100%;display:block;border:0;}
a{color:var(--c-primary-deep);text-decoration:none;transition:color .22s ease,background-color .22s ease,border-color .22s ease,transform .22s ease,box-shadow .22s ease;}
a:hover{color:var(--c-primary);}
a:focus-visible,button:focus-visible,input:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px;}
button{font-family:inherit;cursor:pointer;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 20px;}
@media(min-width:768px){.container{padding:0 24px;}}
.num{font-variant-numeric:tabular-nums;}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 24px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;line-height:1.2;border:1.5px solid transparent;background:none;
  transition:background-color .22s ease,color .22s ease,border-color .22s ease,transform .22s ease,box-shadow .22s ease;
}
.btn-primary{background:var(--c-primary);color:#fff;box-shadow:0 8px 20px rgba(22,199,154,.26);}
.btn-primary:hover{background:var(--c-primary-deep);color:#fff;transform:translateY(-1px);}
.btn-ghost{background:transparent;border-color:var(--c-primary);color:var(--c-primary-deep);}
.btn-ghost:hover{background:var(--c-primary-soft);color:var(--c-primary-deep);}
.btn-light{background:rgba(255,255,255,.14);border-color:rgba(255,255,255,.55);color:#fff;}
.btn-light:hover{background:rgba(255,255,255,.26);color:#fff;}
.btn-sm{padding:9px 18px;font-size:14px;}
.btn-block{width:100%;}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-weight:600;font-size:15px;color:var(--c-primary-deep);}
.link-arrow span{display:inline-block;transition:transform .22s ease;}
.link-arrow:hover span{transform:translateX(4px);}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:90;background:rgba(255,255,255,.94);border-bottom:1px solid var(--c-line);transition:box-shadow .25s ease,background-color .25s ease;}
.site-header.is-scrolled{box-shadow:var(--sh-1);background:#fff;}
.brand-row{display:flex;align-items:center;justify-content:space-between;gap:20px;height:72px;transition:height .25s ease;}
.site-header.is-scrolled .brand-row{height:56px;}
.logo{display:inline-flex;align-items:center;gap:10px;color:var(--c-ink);}
.logo:hover{color:var(--c-ink);}
.logo-mark{width:32px;height:32px;border-radius:10px;background:linear-gradient(135deg,var(--c-primary),var(--c-primary-deep));display:flex;align-items:center;justify-content:center;flex:none;}
.logo-mark svg{width:19px;height:19px;display:block;}
.logo-text{display:flex;flex-direction:column;line-height:1.15;}
.logo-text b{font-size:17px;font-weight:700;letter-spacing:-.01em;}
.logo-text small{font-size:11px;color:var(--c-muted);letter-spacing:.14em;font-weight:500;}
.brand-tools{display:flex;align-items:center;gap:14px;}
.nav-search{display:flex;align-items:center;background:var(--c-bg-soft);border:1px solid var(--c-line);border-radius:var(--r-pill);padding:0 14px;height:40px;transition:border-color .22s ease,background-color .22s ease;}
.nav-search:focus-within{border-color:var(--c-primary);background:#fff;}
.nav-search input{border:0;background:none;outline:none;font-size:14px;color:var(--c-text);width:216px;font-family:inherit;}
.nav-search input::placeholder{color:#93a5a1;}
.nav-toggle{display:none;width:40px;height:40px;border-radius:12px;border:1px solid var(--c-line);background:#fff;align-items:center;justify-content:center;flex-direction:column;gap:4px;padding:0;}
.nav-toggle i{display:block;width:16px;height:2px;background:var(--c-ink);border-radius:2px;}
.channel-bar{background:#fff;border-top:1px solid var(--c-line);}
.channel-row{display:flex;align-items:center;justify-content:space-between;gap:24px;height:46px;}
.channel-list{display:flex;align-items:center;gap:28px;flex-wrap:nowrap;}
.channel-list a{position:relative;display:inline-block;font-size:14px;font-weight:500;color:var(--c-text);padding:12px 0;white-space:nowrap;}
.channel-list a:hover{color:var(--c-primary-deep);}
.channel-list a.is-active{color:var(--c-primary-deep);font-weight:700;}
.channel-list a.is-active::after{content:"";position:absolute;left:0;right:0;bottom:4px;height:2px;border-radius:2px;background:var(--c-primary);}
.hot-words{display:flex;align-items:center;gap:8px;font-size:12.5px;color:var(--c-muted);white-space:nowrap;}
.hot-words > span:first-child{font-size:12px;letter-spacing:.12em;color:#93a5a1;}
.hot-words a{color:var(--c-muted);}
.hot-words a:hover{color:var(--c-primary-deep);}
.hot-words .dot{color:#c3d3cf;}
.mobile-drawer{position:fixed;inset:56px 0 0;background:#fff;z-index:80;padding:24px 20px 48px;overflow-y:auto;display:none;}
.mobile-drawer.is-open{display:block;}
.mobile-drawer h4{font-size:12px;letter-spacing:.16em;color:var(--c-muted);font-weight:600;margin-bottom:12px;}
.mobile-drawer ul{margin-bottom:28px;}
.mobile-drawer ul li a{display:block;padding:13px 0;font-size:16px;font-weight:600;color:var(--c-ink);border-bottom:1px solid var(--c-line);}
.mobile-drawer .drawer-hot{display:flex;flex-wrap:wrap;gap:10px;}
.mobile-drawer .drawer-hot a{font-size:13px;color:var(--c-muted);background:var(--c-bg-soft);border:1px solid var(--c-line);border-radius:var(--r-pill);padding:6px 12px;}
body.drawer-open{overflow:hidden;}

/* ---------- sections ---------- */
.section{padding:var(--sec-y) 0;position:relative;}
.section--soft{background:var(--c-bg-soft);border-top:1px solid var(--c-line);}
.section--white{background:#fff;border-top:1px solid var(--c-line);}
.section--tint{background:linear-gradient(180deg,var(--c-primary-soft) 0%,#F3FBF8 100%);border-top:1px solid var(--c-line);}
.sec-head{max-width:760px;margin-bottom:36px;}
.sec-head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;margin-bottom:36px;}
.sec-head-row .sec-head{margin-bottom:0;}
.sec-kicker{display:inline-flex;align-items:center;gap:8px;font-size:12.5px;font-weight:600;letter-spacing:.08em;color:var(--c-primary-deep);background:var(--c-primary-soft);border-radius:var(--r-pill);padding:5px 12px;margin-bottom:14px;}
.sec-title{font-size:clamp(24px,2.6vw,36px);line-height:1.3;font-weight:700;letter-spacing:-.01em;color:var(--c-ink);}
.sec-desc{margin-top:14px;font-size:15.5px;line-height:1.85;color:var(--c-muted);}

/* ---------- page head ---------- */
.page-head{position:relative;background:var(--c-ink) url('/assets/images/5542c73672cd2d03.jpg') center/cover no-repeat;color:#fff;overflow:hidden;}
.page-head::after{content:"";position:absolute;inset:0;background:linear-gradient(100deg,rgba(14,27,26,.93) 0%,rgba(14,27,26,.82) 55%,rgba(14,27,26,.55) 100%);}
.page-head .container{position:relative;z-index:2;padding-top:38px;padding-bottom:44px;}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:12.5px;color:#9cb4ae;margin-bottom:18px;flex-wrap:wrap;}
.breadcrumb a{color:#9cb4ae;}
.breadcrumb a:hover{color:var(--c-primary);}
.breadcrumb .sep{color:#5f7a75;}
.breadcrumb .cur{color:#dfeeea;}
.page-head h1{font-size:clamp(30px,3.8vw,44px);line-height:1.2;font-weight:700;letter-spacing:-.01em;color:#fff;}
.page-head .head-desc{margin-top:16px;max-width:820px;font-size:15.5px;line-height:1.9;color:#c4d9d4;}
.filter-bar{margin-top:26px;display:grid;gap:10px;padding:18px 20px;border-radius:var(--r-md);background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.14);}
.filter-row{display:flex;align-items:center;gap:10px;flex-wrap:wrap;}
.filter-label{flex:none;width:44px;font-size:12.5px;color:#9cb4ae;letter-spacing:.06em;}
.chip{display:inline-flex;align-items:center;padding:6px 14px;border-radius:var(--r-pill);font-size:13px;color:#d5e6e2;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.18);white-space:nowrap;}
.chip.is-on{background:var(--c-primary);border-color:var(--c-primary);color:#04241c;font-weight:600;}

/* ---------- stat strip ---------- */
.stat-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.stat-item{padding:22px 20px;background:#fff;border:1px solid var(--c-line);border-radius:var(--r-md);box-shadow:var(--sh-1);}
.stat-item .val{font-size:clamp(28px,3vw,38px);font-weight:700;color:var(--c-primary-deep);line-height:1.1;font-variant-numeric:tabular-nums;letter-spacing:-.02em;}
.stat-item .lab{margin-top:8px;font-size:12.5px;color:var(--c-muted);}

/* ---------- event cards ---------- */
.event-grid{margin-bottom:-24px;}
.event-card{display:flex;flex-direction:column;height:100%;margin-bottom:24px;background:#fff;border:1px solid var(--c-line);border-radius:var(--r-md);box-shadow:var(--sh-1);overflow:hidden;transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease;}
.event-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:rgba(22,199,154,.3);}
.event-thumb{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--c-bg-soft);}
.event-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease;}
.event-card:hover .event-thumb img{transform:scale(1.03);}
.badge-type{position:absolute;left:12px;top:12px;display:inline-flex;padding:4px 10px;border-radius:var(--r-pill);font-size:12px;font-weight:600;background:var(--c-accent-soft);color:#C24A16;}
.event-body{padding:18px 20px 20px;display:flex;flex-direction:column;flex:1;}
.event-meta-row{display:flex;align-items:center;gap:10px;font-size:12.5px;color:var(--c-muted);flex-wrap:wrap;}
.event-meta-row .city{color:var(--c-primary-deep);font-weight:600;}
.event-title{margin-top:10px;font-size:17px;line-height:1.5;font-weight:700;color:var(--c-ink);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.event-facts{margin-top:14px;display:flex;gap:10px;flex-wrap:wrap;}
.fact{font-size:12.5px;color:var(--c-muted);background:var(--c-bg-soft);border:1px solid var(--c-line);border-radius:var(--r-pill);padding:4px 10px;font-variant-numeric:tabular-nums;}
.event-more{margin-top:auto;padding-top:16px;font-size:13.5px;font-weight:600;color:var(--c-primary-deep);display:flex;align-items:center;gap:6px;transition:color .22s ease;}
.event-card:hover .event-more{color:var(--c-accent);}
.list-foot{margin-top:34px;text-align:center;}

/* ---------- city pills ---------- */
.city-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;}
.city-pill{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:16px 18px;background:#fff;border:1px solid var(--c-line);border-radius:var(--r-md);box-shadow:var(--sh-1);transition:border-color .22s ease,transform .22s ease;}
.city-pill:hover{border-color:rgba(22,199,154,.45);transform:translateY(-2px);}
.city-pill b{font-size:15px;color:var(--c-ink);font-weight:700;}
.city-pill small{font-size:12.5px;color:var(--c-muted);font-variant-numeric:tabular-nums;}

/* ---------- guide ---------- */
.guide-list{display:grid;gap:22px;}
.guide-list li{position:relative;padding-left:24px;border-left:2px solid var(--c-line);transition:border-color .24s ease;}
.guide-list li:hover{border-left-color:var(--c-primary);}
.guide-num{display:block;font-size:13px;font-weight:700;letter-spacing:.1em;color:var(--c-primary-deep);font-variant-numeric:tabular-nums;margin-bottom:4px;}
.guide-list h3{font-size:17px;font-weight:700;color:var(--c-ink);}
.guide-list p{margin-top:6px;font-size:14.5px;line-height:1.85;color:var(--c-muted);}

/* ---------- safety ---------- */
.safety-list{display:grid;grid-template-columns:1fr 1fr;gap:14px 28px;}
.safety-list li{position:relative;padding-left:18px;font-size:14.5px;line-height:1.85;color:var(--c-text);}
.safety-list li::before{content:"";position:absolute;left:0;top:11px;width:6px;height:6px;border-radius:50%;background:var(--c-primary);}
.safety-note{margin-top:24px;font-size:13px;color:var(--c-muted);line-height:1.8;padding-top:18px;border-top:1px dashed var(--c-line);}

/* ---------- topic cards ---------- */
.topic-card{display:block;background:#fff;border:1px solid var(--c-line);border-radius:var(--r-md);box-shadow:var(--sh-1);overflow:hidden;height:100%;margin-bottom:24px;transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease;}
.topic-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:rgba(22,199,154,.3);}
.topic-thumb{aspect-ratio:16/10;overflow:hidden;background:var(--c-bg-soft);}
.topic-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease;}
.topic-card:hover .topic-thumb img{transform:scale(1.03);}
.topic-body{padding:18px 20px 22px;}
.topic-body h3{font-size:17px;font-weight:700;color:var(--c-ink);transition:color .22s ease;}
.topic-card:hover .topic-body h3{color:var(--c-primary-deep);}
.topic-body p{margin-top:8px;font-size:13.5px;line-height:1.8;color:var(--c-muted);}

/* ---------- news ---------- */
.news-card{display:flex;flex-direction:column;height:100%;margin-bottom:24px;background:#fff;border:1px solid var(--c-line);border-radius:var(--r-md);box-shadow:var(--sh-1);overflow:hidden;transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease;}
.news-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:rgba(22,199,154,.3);}
.news-thumb{aspect-ratio:16/9;overflow:hidden;background:linear-gradient(135deg,var(--c-primary-soft) 0%,#EFF7F4 100%);}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease;}
.news-card:hover .news-thumb img{transform:scale(1.03);}
.news-body{padding:18px 20px 20px;display:flex;flex-direction:column;flex:1;}
.badge-cat{align-self:flex-start;display:inline-flex;padding:4px 10px;border-radius:var(--r-pill);font-size:12px;font-weight:600;background:var(--c-primary-soft);color:var(--c-primary-deep);}
.news-title{margin-top:10px;font-size:16.5px;line-height:1.55;font-weight:700;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-title a{color:var(--c-ink);}
.news-title a:hover{color:var(--c-primary-deep);}
.news-excerpt{margin-top:10px;font-size:13.5px;line-height:1.8;color:var(--c-muted);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-foot{margin-top:auto;padding-top:14px;font-size:12.5px;color:#93a5a1;font-variant-numeric:tabular-nums;}
.empty-state{min-height:200px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;text-align:center;border:1px dashed var(--c-line);border-radius:var(--r-md);background:#fff;padding:36px 24px;color:var(--c-muted);font-size:14px;}

/* ---------- faq ---------- */
.faq-acc{margin:0;border:0;background:none;}
.faq-acc .accordion-item{border:1px solid var(--c-line);border-radius:var(--r-md);margin-bottom:12px;background:#fff;overflow:hidden;transition:border-color .22s ease,box-shadow .22s ease;}
.faq-acc .accordion-item:hover{border-color:rgba(22,199,154,.35);}
.faq-acc .accordion-title{font-size:15px;font-weight:600;color:var(--c-ink);padding:18px 56px 18px 22px;border:0;background:#fff;position:relative;line-height:1.6;transition:color .22s ease;}
.faq-acc .accordion-title::before{content:"+";position:absolute;right:22px;top:50%;transform:translateY(-50%);font-size:20px;line-height:1;color:var(--c-primary-deep);font-weight:400;margin:0;}
.faq-acc .accordion-item.is-active .accordion-title{color:var(--c-primary-deep);}
.faq-acc .accordion-item.is-active .accordion-title::before{content:"–";}
.faq-acc .accordion-content{padding:0 22px 20px;border:0;font-size:14.5px;line-height:1.85;color:var(--c-muted);background:#fff;}
.faq-more{margin-top:22px;font-size:14px;color:var(--c-muted);}
.faq-more a{font-weight:600;}

/* ---------- download ---------- */
.dl-wrap{display:grid;grid-template-columns:1.05fr 1fr;gap:40px;align-items:center;}
.dl-copy h2{font-size:clamp(24px,2.6vw,34px);line-height:1.3;font-weight:700;color:var(--c-ink);letter-spacing:-.01em;}
.dl-copy p{margin-top:14px;font-size:15px;line-height:1.85;color:var(--c-muted);max-width:520px;}
.dl-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;}
.dl-card{display:flex;flex-direction:column;align-items:center;gap:8px;padding:22px 14px;background:#fff;border:1px solid var(--c-line);border-radius:var(--r-md);box-shadow:var(--sh-1);text-align:center;transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease,background-color .24s ease;}
.dl-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:var(--c-primary);background:#fff;}
.dl-card .dl-ico{width:38px;height:38px;border-radius:12px;background:var(--c-primary-soft);display:flex;align-items:center;justify-content:center;color:var(--c-primary-deep);}
.dl-card .dl-ico svg{width:20px;height:20px;display:block;}
.dl-card b{font-size:14.5px;color:var(--c-ink);font-weight:700;}
.dl-card small{font-size:12px;color:var(--c-muted);}

/* ---------- footer ---------- */
.site-footer{background:var(--c-ink);color:#9cb4ae;padding:64px 0 26px;}
.footer-top{display:grid;grid-template-columns:1.7fr 1fr 1fr;gap:40px;padding-bottom:34px;border-bottom:1px solid rgba(255,255,255,.1);}
.footer-brand .logo{color:#fff;}
.footer-brand .logo-text b{color:#fff;font-size:17px;}
.footer-brand .logo-text small{color:#7f9a94;}
.footer-brand p{margin-top:16px;font-size:13.5px;line-height:1.9;color:#9cb4ae;max-width:440px;}
.footer-col h4{color:#fff;font-size:14px;font-weight:600;margin-bottom:14px;letter-spacing:.02em;}
.footer-col li{margin-bottom:10px;}
.footer-col a{color:#9cb4ae;font-size:13.5px;}
.footer-col a:hover{color:var(--c-primary);}
.footer-bottom{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;padding-top:20px;font-size:12.5px;color:#7f9a94;}

/* ---------- responsive ---------- */
@media(max-width:1023px){
  .stat-strip{grid-template-columns:repeat(2,1fr);}
  .city-grid{grid-template-columns:repeat(2,1fr);}
  .dl-wrap{grid-template-columns:1fr;gap:28px;}
  .footer-top{grid-template-columns:1fr 1fr;gap:32px;}
  .footer-brand{grid-column:1/-1;}
  .channel-row{overflow-x:auto;scrollbar-width:none;}
  .channel-row::-webkit-scrollbar{display:none;}
  .hot-words{display:none;}
}
@media(max-width:767px){
  .nav-search{display:none;}
  .nav-toggle{display:flex;}
  .brand-tools .btn-primary{display:none;}
  .brand-row{height:60px;}
  .site-header.is-scrolled .brand-row{height:56px;}
  .channel-list{gap:22px;}
  .safety-list{grid-template-columns:1fr;}
  .dl-cards{grid-template-columns:1fr;}
  .dl-card{flex-direction:row;justify-content:flex-start;text-align:left;gap:14px;padding:16px 18px;}
  .dl-card .dl-txt{display:flex;flex-direction:column;line-height:1.4;}
  .filter-label{width:100%;}
  .stat-strip{grid-template-columns:1fr 1fr;gap:14px;}
  .city-grid{grid-template-columns:1fr 1fr;gap:12px;}
  .footer-top{grid-template-columns:1fr;}
}
@media(max-width:479px){
  .stat-strip{grid-template-columns:1fr;}
  .city-grid{grid-template-columns:1fr;}
  .event-body{padding:16px;}
  .topic-body{padding:16px;}
  .news-body{padding:16px;}
  .faq-acc .accordion-title{padding:16px 48px 16px 16px;font-size:14.5px;}
  .faq-acc .accordion-content{padding:0 16px 18px;}
}