/* roulang page: index */
:root{
  --ink-950:#0B1116;
  --ink-900:#111A21;
  --ink-800:#17212B;
  --brand-600:#00C896;
  --brand-500:#16E0A3;
  --brand-050:#E6FBF3;
  --accent-500:#FF6B2C;
  --accent-050:#FFF1E9;
  --bg:#F4F7F5;
  --surface:#FFFFFF;
  --muted:#5E6F68;
  --line:#DCE5E0;
  --radius-lg:20px;
  --radius-md:14px;
  --radius-sm:12px;
  --shadow-sm:0 10px 30px rgba(11,17,22,.08);
  --shadow-md:0 18px 45px rgba(11,17,22,.12);
  --sidebar-w:260px;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body.site-body{
  margin:0;
  font-family:"HarmonyOS Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  background:var(--bg);
  color:var(--ink-950);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
h1,h2,h3,h4,h5{margin:0 0 .6em;line-height:1.22;font-weight:800;letter-spacing:-.012em;color:var(--ink-950)}
p{margin:0 0 1em}
img{max-width:100%;display:block;border:0}
ul,ol{margin:0;padding:0;list-style:none}
a{color:inherit;text-decoration:none}
a:hover{text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer;background:none;border:0}
:focus-visible{outline:2px solid var(--brand-500);outline-offset:2px;border-radius:8px}
::selection{background:rgba(0,200,150,.28)}

.skip-link{position:absolute;left:-9999px;top:0;background:var(--brand-600);color:#062;padding:10px 16px;border-radius:0 0 10px 0;z-index:200}
.skip-link:focus{left:0}

/* ---------- App shell ---------- */
.app-shell{min-height:100vh}
.sidebar{
  position:fixed;top:0;left:0;bottom:0;width:var(--sidebar-w);
  background:var(--ink-950);color:#E8F1ED;
  display:flex;flex-direction:column;z-index:80;
  border-right:1px solid rgba(255,255,255,.06);
}
.sidebar-logo{height:72px;flex:none;display:flex;align-items:center;padding:0 20px;border-bottom:1px solid rgba(255,255,255,.07)}
.brand{display:flex;align-items:center;gap:12px}
.brand-mark{
  width:40px;height:40px;flex:none;border-radius:12px;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--brand-500),var(--brand-600));
  color:#04231A;font-weight:900;font-size:17px;letter-spacing:.02em;
}
.brand-lines{display:flex;flex-direction:column;line-height:1.18;min-width:0}
.brand-l1{font-size:15.5px;font-weight:800;color:#FFFFFF;letter-spacing:.01em}
.brand-l2{font-size:12.5px;font-weight:700;color:var(--brand-500);letter-spacing:.16em}

.sidebar-nav{flex:1;overflow-y:auto;padding:16px 12px 8px}
.nav-label{font-size:11px;font-weight:800;letter-spacing:.2em;color:#5C7B70;margin:14px 12px 8px}
.nav-label:first-child{margin-top:4px}
.nav-item{
  position:relative;display:flex;align-items:center;gap:10px;height:44px;padding:0 14px;
  border-radius:12px;color:#B7CCC4;font-size:15px;font-weight:600;
  transition:background .18s,color .18s;
}
.nav-item:hover{background:rgba(255,255,255,.06);color:#fff}
.nav-item.active{background:rgba(0,200,150,.15);color:#fff}
.nav-item.active::before{
  content:"";position:absolute;left:-12px;top:9px;bottom:9px;width:3px;
  border-radius:0 3px 3px 0;background:var(--brand-500);
}
.nav-dot{width:6px;height:6px;border-radius:50%;background:#3D5A50;flex:none}
.nav-item.active .nav-dot,.nav-item:hover .nav-dot{background:var(--brand-500)}
.nav-anchor{display:block;padding:9px 14px;border-radius:10px;font-size:14px;color:#8AA79C;transition:.18s}
.nav-anchor:hover{background:rgba(255,255,255,.05);color:var(--brand-500)}
.sidebar-cta{padding:16px 16px 22px;border-top:1px solid rgba(255,255,255,.07)}
.sidebar-note{font-size:11.5px;color:#63796F;margin:10px 0 0;text-align:center}

.main-area{margin-left:var(--sidebar-w);min-height:100vh;display:flex;flex-direction:column;min-width:0}
.container{width:100%;max-width:1280px;margin:0 auto;padding:0 40px}

/* ---------- Mobile topbar ---------- */
.mobile-topbar{
  display:none;position:sticky;top:0;z-index:70;align-items:center;gap:12px;
  padding:10px 16px;background:rgba(11,17,22,.97);
  border-bottom:1px solid rgba(255,255,255,.08);
}
.menu-btn{
  width:44px;height:44px;flex:none;border-radius:12px;display:grid;place-items:center;
  border:1px solid rgba(255,255,255,.16);color:#fff;transition:.18s;
}
.menu-btn:hover{background:rgba(255,255,255,.08)}
.mobile-logo{flex:1;min-width:0;color:#fff;font-size:15px;font-weight:800;letter-spacing:.01em;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.mobile-logo em{font-style:normal;color:var(--brand-500)}
.btn-sm{height:40px;padding:0 14px;font-size:13.5px;border-radius:11px}

.drawer-overlay{
  position:fixed;inset:0;background:rgba(5,9,12,.6);z-index:75;
  opacity:0;visibility:hidden;transition:.25s;
}
.drawer-overlay.show{opacity:1;visibility:visible}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border-radius:13px;font-weight:700;font-size:15px;
  border:1px solid transparent;white-space:nowrap;
  transition:transform .18s,box-shadow .18s,background .18s,color .18s,border-color .18s;
}
.btn:hover{transform:translateY(-2px)}
.btn:active{transform:translateY(0)}
.btn-primary{background:var(--brand-600);color:#04231A;box-shadow:0 10px 24px rgba(0,200,150,.28)}
.btn-primary:hover{background:var(--brand-500);box-shadow:0 16px 34px rgba(0,200,150,.34)}
.btn-accent{background:var(--accent-500);color:#fff;box-shadow:0 10px 24px rgba(255,107,44,.3)}
.btn-accent:hover{background:#FF8047;box-shadow:0 16px 34px rgba(255,107,44,.36)}
.btn-ghost{background:transparent;border-color:rgba(11,17,22,.16);color:var(--ink-950)}
.btn-ghost:hover{border-color:var(--brand-600);background:rgba(0,200,150,.08)}
.btn-light{background:transparent;border-color:rgba(255,255,255,.26);color:#fff}
.btn-light:hover{border-color:var(--brand-500);color:var(--brand-500)}
.btn-lg{height:54px;padding:0 28px;font-size:16px;border-radius:15px}
.btn-block{width:100%}

/* ---------- Badges ---------- */
.badge{display:inline-flex;align-items:center;gap:6px;padding:6px 14px;border-radius:999px;font-size:12.5px;font-weight:800;letter-spacing:.04em}
.badge-brand{background:rgba(0,200,150,.15);color:var(--brand-500);border:1px solid rgba(0,200,150,.3)}
.badge-accent{background:var(--accent-050);color:#D9500F;border:1px solid rgba(255,107,44,.28)}
.badge-soft{background:var(--brand-050);color:#00845F;border:1px solid rgba(0,200,150,.24)}
.tag{display:inline-block;padding:4px 11px;border-radius:999px;font-size:12px;font-weight:700;background:#EDF3F0;color:var(--muted)}

/* ---------- Hero ---------- */
.hero{
  position:relative;overflow:hidden;color:#fff;
  padding:74px 0 84px;
  background:
    radial-gradient(900px 420px at 86% 6%,rgba(0,200,150,.20),transparent 64%),
    radial-gradient(620px 340px at 3% 104%,rgba(255,107,44,.16),transparent 70%),
    var(--ink-950);
}
.hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(255,255,255,.045) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(255,255,255,.045) 1px,transparent 1px);
  background-size:46px 46px;
  -webkit-mask-image:linear-gradient(180deg,#000,transparent 88%);
  mask-image:linear-gradient(180deg,#000,transparent 88%);
}
.hero .container{position:relative;z-index:2}
.hero-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:56px;align-items:center}
.hero h1{
  color:#fff;font-size:clamp(2rem,3.6vw,3.35rem);line-height:1.14;font-weight:900;
  margin:20px 0 18px;letter-spacing:-.02em;
}
.hero-sub{font-size:clamp(1rem,1.35vw,1.16rem);color:#A9C3BA;max-width:560px;margin-bottom:30px;line-height:1.78}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:34px}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px}
.hero-tags li{
  font-size:13px;font-weight:700;color:#BBD3CA;padding:7px 14px;border-radius:999px;
  border:1px solid rgba(255,255,255,.14);background:rgba(255,255,255,.04);
}
.hero-media{position:relative}
.hero-media img{
  width:100%;aspect-ratio:16/11;object-fit:cover;
  border-radius:var(--radius-lg);border:1px solid rgba(255,255,255,.14);
  box-shadow:0 34px 70px rgba(0,0,0,.5);
}
.hero-note{
  position:absolute;left:18px;right:18px;bottom:18px;
  display:flex;align-items:center;gap:10px;
  background:rgba(11,17,22,.84);border:1px solid rgba(255,255,255,.14);
  border-radius:var(--radius-md);padding:12px 15px;font-size:13px;color:#D8E9E2;
}
.hero-note b{color:var(--brand-500);font-weight:800}
.hero-slash{
  position:absolute;right:-40px;top:-40px;width:180px;height:180px;
  background:linear-gradient(135deg,rgba(0,200,150,.5),rgba(255,107,44,.42));
  transform:rotate(24deg);border-radius:28px;filter:blur(2px);opacity:.35;z-index:1;
}

/* ---------- Section basics ---------- */
.section{padding:80px 0}
.section-alt{background:#EAF1EE}
.section-head{max-width:740px;margin-bottom:42px}
.eyebrow{display:inline-block;font-size:12px;font-weight:900;letter-spacing:.22em;color:var(--brand-600);margin-bottom:12px}
.section-head h2{font-size:clamp(1.5rem,2.4vw,2.15rem);margin-bottom:14px}
.section-head p{color:var(--muted);font-size:1.03rem;margin:0}
.section-head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;margin-bottom:42px}

/* ---------- Ladder ---------- */
.ladder-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.ladder-card{
  position:relative;overflow:hidden;background:var(--surface);
  border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:30px 24px 26px;box-shadow:var(--shadow-sm);
  transition:transform .22s,box-shadow .22s,border-color .22s;
}
.ladder-card::before{
  content:"";position:absolute;top:0;left:0;height:4px;width:var(--p,25%);
  background:linear-gradient(90deg,var(--brand-500),var(--brand-600));
}
.ladder-card.is-last::before{background:linear-gradient(90deg,var(--brand-600),var(--accent-500))}
.ladder-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:rgba(0,200,150,.42)}
.ladder-num{
  display:inline-block;font-size:13px;font-weight:900;letter-spacing:.14em;
  color:var(--brand-600);font-variant-numeric:tabular-nums;margin-bottom:12px;
}
.ladder-card h3{font-size:1.14rem;margin-bottom:10px}
.ladder-card p{font-size:14.5px;color:var(--muted);margin:0}
.ladder-meta{margin-top:16px;font-size:12.5px;font-weight:700;color:#00845F}

/* ---------- Entry cards ---------- */
.entry-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.entry-card{
  display:grid;grid-template-columns:180px 1fr;gap:0;overflow:hidden;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);
  box-shadow:var(--shadow-sm);transition:transform .22s,box-shadow .22s,border-color .22s;
}
.entry-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:rgba(0,200,150,.45)}
.entry-card img{width:100%;height:100%;min-height:190px;object-fit:cover}
.entry-body{padding:26px 24px;display:flex;flex-direction:column;gap:10px}
.entry-body h3{font-size:1.18rem;margin:0}
.entry-body p{font-size:14.5px;color:var(--muted);margin:0;flex:1}
.entry-link{font-size:14px;font-weight:800;color:var(--brand-600);display:inline-flex;align-items:center;gap:6px}
.entry-card:hover .entry-link{color:#00845F}

/* ---------- Plan compare ---------- */
.plan-scroll{overflow:visible}
.plan-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:start}
.plan-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:30px 26px;box-shadow:var(--shadow-sm);position:relative;
  transition:transform .22s,box-shadow .22s,border-color .22s;
}
.plan-card:hover{box-shadow:var(--shadow-md)}
.plan-card.featured{border:2px solid var(--accent-500);transform:translateY(-12px);box-shadow:0 26px 56px rgba(255,107,44,.16)}
.plan-flag{
  position:absolute;top:-13px;left:26px;padding:5px 14px;border-radius:999px;
  background:var(--accent-500);color:#fff;font-size:12px;font-weight:800;letter-spacing:.04em;
}
.plan-name{font-size:1.2rem;margin:6px 0 8px}
.plan-desc{font-size:14px;color:var(--muted);margin-bottom:20px;min-height:44px}
.plan-feats{margin-bottom:22px}
.plan-feat{
  display:flex;align-items:flex-start;gap:10px;padding:11px 0;
  border-bottom:1px dashed var(--line);font-size:14.5px;color:var(--ink-800);
}
.plan-feat:last-child{border-bottom:0}
.feat-ico{
  width:20px;height:20px;flex:none;border-radius:6px;display:grid;place-items:center;
  font-size:12px;font-weight:900;margin-top:3px;
}
.feat-yes{background:rgba(0,200,150,.15);color:#00845F}
.feat-no{background:rgba(255,107,44,.13);color:#C84A0E}
.feat-mid{background:rgba(94,111,104,.14);color:var(--muted)}

/* ---------- Quick panel ---------- */
.quick-panel{
  position:relative;overflow:hidden;color:#fff;
  background:var(--ink-950);border-radius:26px;padding:52px;
  display:grid;grid-template-columns:1.35fr 1fr;gap:44px;align-items:center;
}
.quick-panel::before{
  content:"";position:absolute;right:-90px;top:-90px;width:320px;height:320px;
  background:radial-gradient(circle,rgba(255,107,44,.28),transparent 68%);
}
.quick-panel h2{color:#fff;font-size:clamp(1.5rem,2.3vw,2rem);margin:16px 0 14px}
.quick-panel p{color:#A9C3BA;font-size:1.02rem;margin-bottom:26px;max-width:520px}
.quick-clock{position:relative;z-index:2;text-align:center;border:1px solid rgba(255,255,255,.14);border-radius:20px;padding:28px 22px;background:rgba(255,255,255,.03)}
.clock-time{
  font-family:"SFMono-Regular",Consolas,"Liberation Mono",monospace;
  font-size:clamp(2rem,4.4vw,3rem);font-weight:800;line-height:1;
  color:var(--brand-500);letter-spacing:.06em;font-variant-numeric:tabular-nums;
}
.clock-zone{font-size:12.5px;color:#8FA9A0;margin-top:12px;letter-spacing:.06em}
.quick-steps{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px;position:relative;z-index:2}
.quick-steps span{font-size:12.5px;color:#B9D2C9;border:1px solid rgba(255,255,255,.14);border-radius:999px;padding:5px 12px}

/* ---------- News ---------- */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.news-card{
  display:flex;flex-direction:column;overflow:hidden;background:var(--surface);
  border:1px solid var(--line);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);
  transition:transform .22s,box-shadow .22s,border-color .22s;
}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:rgba(0,200,150,.45)}
.news-thumb{aspect-ratio:16/9;overflow:hidden;background:var(--ink-800)}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .38s ease}
.news-card:hover .news-thumb img{transform:scale(1.05)}
.news-body{padding:22px 22px 24px;display:flex;flex-direction:column;gap:10px;flex:1}
.news-meta{display:flex;flex-wrap:wrap;gap:10px;font-size:12.5px;color:var(--muted);align-items:center}
.news-cat{background:var(--brand-050);color:#00845F;font-weight:800;padding:3px 10px;border-radius:999px}
.news-title{font-size:1.07rem;font-weight:800;margin:0;line-height:1.5}
.news-title a{color:var(--ink-950);transition:color .18s}
.news-title a:hover{color:var(--brand-600)}
.news-summary{font-size:14.5px;color:var(--muted);margin:0;flex:1;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.news-more{font-size:13.5px;font-weight:800;color:var(--brand-600)}
.news-empty{
  grid-column:1/-1;text-align:center;padding:64px 24px;background:var(--surface);
  border:1px dashed var(--line);border-radius:var(--radius-lg);
}
.news-empty-ico{
  width:56px;height:56px;margin:0 auto 16px;border-radius:16px;display:grid;place-items:center;
  background:var(--brand-050);color:var(--brand-600);font-size:24px;font-weight:900;
}
.news-empty p{color:var(--muted);margin-bottom:18px}

/* ---------- Form ---------- */
.form-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:40px;align-items:start}
.form-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);padding:34px;box-shadow:var(--shadow-sm)}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.field{display:flex;flex-direction:column;gap:8px;margin-bottom:18px}
.field label{font-size:14px;font-weight:700;color:var(--ink-800)}
.field label span{color:var(--accent-500)}
.field input,.field select,.field textarea{
  width:100%;background:#FBFDFC;border:1px solid var(--line);border-radius:var(--radius-sm);
  padding:13px 15px;font-size:15px;transition:border-color .18s,box-shadow .18s,background .18s;
}
.field textarea{min-height:118px;resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;background:#fff;border-color:var(--brand-600);box-shadow:0 0 0 4px rgba(0,200,150,.16);
}
.check-row{display:flex;align-items:flex-start;gap:10px;font-size:13.5px;color:var(--muted);margin-bottom:22px}
.check-row input{width:18px;height:18px;margin-top:3px;accent-color:var(--brand-600);flex:none}
.form-status{margin-top:14px;font-size:14px;font-weight:700;min-height:22px}
.form-status.ok{color:#00845F}
.form-status.err{color:#C84A0E}
.aside-card{background:var(--ink-950);color:#CFE2DA;border-radius:var(--radius-lg);padding:30px}
.aside-card h3{color:#fff;font-size:1.1rem;margin-bottom:16px}
.aside-list li{display:flex;gap:10px;font-size:14px;padding:11px 0;border-bottom:1px solid rgba(255,255,255,.08);color:#A7C0B7}
.aside-list li:last-child{border-bottom:0}
.aside-list b{color:#fff;font-weight:700;min-width:64px;display:inline-block}
.aside-tip{margin-top:20px;padding:14px 16px;border-radius:var(--radius-sm);background:rgba(0,200,150,.1);border:1px solid rgba(0,200,150,.24);font-size:13.5px;color:#BEE8D9}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:900px;margin:0 auto}
.faq-item{background:var(--surface);border:1px solid var(--line);border-radius:16px;margin-bottom:14px;overflow:hidden;transition:border-color .2s,box-shadow .2s}
.faq-item.open{border-color:rgba(0,200,150,.45);box-shadow:var(--shadow-sm)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 22px;min-height:58px;text-align:left;
  font-size:16.5px;font-weight:700;color:var(--ink-950);transition:color .18s;
}
.faq-q:hover{color:var(--brand-600)}
.faq-arrow{flex:none;width:26px;height:26px;border-radius:8px;display:grid;place-items:center;background:var(--brand-050);color:#00845F;font-weight:900;font-size:15px;transition:transform .26s ease}
.faq-item.open .faq-arrow{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease}
.faq-a-inner{padding:0 22px 22px;font-size:15px;color:var(--muted);line-height:1.82}

/* ---------- CTA strip ---------- */
.cta-strip{
  background:linear-gradient(120deg,var(--ink-950) 0%,#132A26 100%);
  color:#fff;border-radius:26px;padding:52px;display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
}
.cta-strip h2{color:#fff;font-size:clamp(1.45rem,2.2vw,1.95rem);margin-bottom:10px}
.cta-strip p{color:#A9C3BA;margin:0;max-width:620px}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap}

/* ---------- Footer ---------- */
.site-footer{background:var(--ink-950);color:#8FA9A0;padding:66px 0 26px;margin-top:auto}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.15fr;gap:38px}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px}
.footer-brand .brand-l1{font-size:16px}
.footer-desc{font-size:14px;line-height:1.8;color:#8FA9A0;max-width:320px}
.footer-col h4{color:#fff;font-size:14.5px;font-weight:800;margin-bottom:16px;letter-spacing:.04em}
.footer-col a,.footer-col li{display:block;font-size:14px;color:#8FA9A0;padding:6px 0;transition:color .18s}
.footer-col a:hover{color:var(--brand-500)}
.footer-bottom{
  margin-top:46px;padding-top:22px;border-top:1px solid rgba(255,255,255,.08);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:#6C837A;
}

/* ---------- Responsive ---------- */
@media (min-width:1024px) and (max-width:1279px){
  :root{--sidebar-w:220px}
  .container{padding:0 32px}
  .ladder-grid{grid-template-columns:repeat(2,1fr)}
  .hero-grid{gap:40px}
}

@media (max-width:1023px){
  .sidebar{transform:translateX(-105%);transition:transform .3s ease;width:284px;box-shadow:0 0 70px rgba(0,0,0,.55)}
  .sidebar.open{transform:translateX(0)}
  .main-area{margin-left:0}
  .mobile-topbar{display:flex}
  .container{padding:0 24px}
  .section{padding:60px 0}
  .hero{padding:52px 0 62px}
  .hero-grid{grid-template-columns:1fr;gap:36px}
  .hero-media{order:-1}
  .hero-slash{display:none}
  .entry-grid{grid-template-columns:1fr}
  .ladder-grid{grid-template-columns:repeat(2,1fr)}
  .news-grid{grid-template-columns:repeat(2,1fr)}
  .form-grid{grid-template-columns:1fr;gap:26px}
  .quick-panel{grid-template-columns:1fr;gap:30px;padding:38px 28px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
}

@media (max-width:767px){
  .plan-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch;margin:0 -24px;padding:0 24px 14px}
  .plan-grid{grid-template-columns:repeat(3,minmax(266px,1fr));gap:18px}
  .plan-card.featured{transform:none}
  .cta-strip{padding:36px 24px}
  .form-row{grid-template-columns:1fr}
}

@media (max-width:639px){
  .container{padding:0 20px}
  .ladder-grid{grid-template-columns:1fr}
  .news-grid{grid-template-columns:1fr}
  .entry-card{grid-template-columns:1fr}
  .entry-card img{min-height:170px;aspect-ratio:16/9}
  .section{padding:48px 0}
  .hero h1{margin-top:16px}
  .hero-actions .btn{width:100%}
  .form-card{padding:24px 20px}
  .aside-card{padding:24px 20px}
  .footer-grid{grid-template-columns:1fr}
  .btn{height:46px}
  .btn-lg{height:52px}
  .quick-panel{padding:30px 20px;border-radius:20px}
  .cta-strip{border-radius:20px}
}

/* roulang page: article */
:root{
  --ink-950:#0B1116;
  --ink-900:#101A21;
  --ink-800:#17212B;
  --ink-700:#22303C;
  --brand-600:#00C896;
  --brand-500:#16E0A3;
  --accent-500:#FF6B2C;
  --bg:#F4F7F5;
  --surface:#FFFFFF;
  --muted:#5E6F68;
  --line:#DCE5E0;
  --radius-card:18px;
  --radius-btn:13px;
  --shadow-sm:0 10px 30px rgba(11,17,22,.08);
  --shadow-lg:0 18px 45px rgba(11,17,22,.12);
  --sidebar:260px;
}
@media (max-width:1279px){:root{--sidebar:220px;}}
@media (max-width:1023px){:root{--sidebar:274px;}}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"HarmonyOS Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  background:var(--bg);
  color:var(--ink-800);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button{font-family:inherit;}
h1,h2,h3,h4{margin:0;}
p{margin:0;}
::selection{background:rgba(0,200,150,.28);}

.app-sidebar::-webkit-scrollbar{width:6px;}
.app-sidebar::-webkit-scrollbar-thumb{background:rgba(255,255,255,.14);border-radius:99px;}

/* ---------- 布局骨架 ---------- */
.app-sidebar{
  position:fixed;top:0;left:0;bottom:0;width:var(--sidebar);
  background:var(--ink-950);
  border-right:1px solid rgba(255,255,255,.06);
  display:flex;flex-direction:column;
  z-index:90;overflow-y:auto;
}
.app-main{margin-left:var(--sidebar);min-width:0;flex:1;display:flex;flex-direction:column;}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 32px;}
@media (max-width:767px){.container{padding:0 20px;}}

/* ---------- 侧边品牌 ---------- */
.sidebar-brand{
  display:flex;align-items:center;gap:11px;
  height:72px;flex:0 0 auto;padding:0 20px;
  border-bottom:1px solid rgba(255,255,255,.07);
}
.brand-mark{
  width:34px;height:34px;flex:0 0 auto;border-radius:10px;
  background:linear-gradient(135deg,var(--brand-500),var(--brand-600));
  color:#04211A;font-weight:900;font-size:18px;
  display:flex;align-items:center;justify-content:center;
}
.brand-lines{display:flex;flex-direction:column;line-height:1.12;}
.brand-l1{color:#fff;font-weight:800;font-size:15px;letter-spacing:.02em;}
.brand-l2{color:var(--brand-500);font-size:11.5px;font-weight:700;letter-spacing:.16em;}

/* ---------- 侧边导航 ---------- */
.sidebar-nav{padding:18px 14px;display:flex;flex-direction:column;gap:3px;flex:1;}
.nav-label{
  color:#5C6F6B;font-size:11px;font-weight:700;letter-spacing:.18em;
  margin:16px 12px 8px;
}
.nav-label:first-child{margin-top:2px;}
.nav-item{
  position:relative;display:flex;align-items:center;gap:10px;height:44px;
  padding:0 14px;border-radius:10px;
  color:#A6BAB5;font-size:14.5px;font-weight:500;
  transition:background .2s,color .2s;
}
.nav-item:hover{background:rgba(255,255,255,.06);color:#fff;}
.nav-item.active{background:rgba(0,200,150,.13);color:#fff;box-shadow:inset 0 0 0 1px rgba(0,200,150,.24);}
.nav-item.active::before{
  content:"";position:absolute;left:0;top:9px;bottom:9px;width:3px;
  border-radius:0 3px 3px 0;background:var(--brand-500);
}
.nav-dot{width:6px;height:6px;border-radius:50%;background:#3C4E4B;flex:0 0 auto;transition:.2s;}
.nav-item.active .nav-dot{background:var(--brand-500);box-shadow:0 0 0 4px rgba(0,200,150,.18);}
.nav-anchor{
  display:block;padding:9px 14px;border-radius:9px;
  color:#7F938E;font-size:13.5px;transition:color .2s,background .2s,padding-left .2s;
}
.nav-anchor:hover{color:var(--brand-500);background:rgba(255,255,255,.04);padding-left:19px;}
.sidebar-cta{padding:16px;border-top:1px solid rgba(255,255,255,.07);flex:0 0 auto;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 22px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:700;border:1px solid transparent;cursor:pointer;
  transition:transform .18s,box-shadow .18s,background .18s,color .18s,border-color .18s;
  text-align:center;white-space:nowrap;
}
.btn-primary{background:var(--brand-600);color:#04211A;box-shadow:0 8px 22px rgba(0,200,150,.28);}
.btn-primary:hover{background:var(--brand-500);transform:translateY(-2px);box-shadow:0 14px 30px rgba(0,200,150,.34);color:#04211A;}
.btn-primary:active{transform:translateY(0);box-shadow:0 6px 14px rgba(0,200,150,.24);}
.btn-primary:focus-visible{outline:2px solid var(--brand-500);outline-offset:2px;}
.btn-outline{border-color:var(--line);color:var(--ink-800);background:#fff;}
.btn-outline:hover{border-color:var(--brand-600);color:#00875F;transform:translateY(-2px);box-shadow:0 12px 26px rgba(0,200,150,.14);}
.btn-outline:focus-visible{outline:2px solid var(--brand-500);outline-offset:2px;}
.btn-ghost{border-color:rgba(255,255,255,.22);color:#fff;background:rgba(255,255,255,.04);}
.btn-ghost:hover{border-color:var(--brand-500);color:var(--brand-500);background:rgba(0,200,150,.08);}
.btn-block{width:100%;}

/* ---------- 移动端顶栏 ---------- */
.mobile-topbar{
  display:none;position:sticky;top:0;z-index:70;
  align-items:center;gap:12px;height:60px;padding:0 16px;
  background:var(--ink-950);border-bottom:1px solid rgba(255,255,255,.08);
}
.menu-btn{
  width:42px;height:42px;flex:0 0 auto;border-radius:11px;
  border:1px solid rgba(255,255,255,.16);background:rgba(255,255,255,.04);
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;cursor:pointer;
  transition:.2s;
}
.menu-btn span{display:block;width:17px;height:2px;border-radius:2px;background:#D5E5E1;}
.menu-btn:hover{border-color:var(--brand-500);}
.mobile-brand{display:flex;align-items:center;gap:9px;min-width:0;}
.mobile-brand .brand-mark{width:30px;height:30px;font-size:16px;border-radius:9px;}
.mobile-brand-text{color:#fff;font-weight:800;font-size:15px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.sidebar-backdrop{display:none;}
.sidebar-backdrop.show{display:block;position:fixed;inset:0;background:rgba(11,17,22,.58);z-index:80;}

@media (max-width:1023px){
  .app-sidebar{transform:translateX(-100%);transition:transform .28s ease;box-shadow:none;}
  .app-sidebar.open{transform:translateX(0);box-shadow:0 0 60px rgba(0,0,0,.5);}
  .app-main{margin-left:0;}
  .mobile-topbar{display:flex;}
}

/* ---------- 页面头部 ---------- */
.page-head{position:relative;overflow:hidden;background:var(--ink-950);color:#fff;padding:44px 0 56px;}
.page-head::before{
  content:"";position:absolute;inset:0;
  background:url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
  opacity:.20;
}
.page-head::after{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(900px 340px at 88% 0%,rgba(0,200,150,.24),transparent 62%),
    linear-gradient(120deg,rgba(11,17,22,.97) 0%,rgba(23,33,43,.88) 58%,rgba(11,17,22,.78) 100%);
}
.page-head .container{position:relative;z-index:2;}

.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:9px;
  font-size:13.5px;color:#8CA29D;margin-bottom:20px;
}
.breadcrumb a{color:#8CA29D;transition:color .2s;}
.breadcrumb a:hover{color:var(--brand-500);}
.breadcrumb .sep{color:#465854;}
.breadcrumb .current{color:#D6E5E1;max-width:520px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}

.eyebrow{
  display:inline-flex;align-items:center;gap:7px;height:30px;padding:0 14px;
  border-radius:999px;background:rgba(0,200,150,.14);border:1px solid rgba(0,200,150,.32);
  color:var(--brand-500);font-size:12.5px;font-weight:700;letter-spacing:.06em;margin-bottom:18px;
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--brand-500);}
.page-title{
  font-size:clamp(1.7rem,3.5vw,2.7rem);line-height:1.22;font-weight:900;
  letter-spacing:-.01em;color:#fff;max-width:940px;margin-bottom:18px;
}
.article-meta{display:flex;flex-wrap:wrap;gap:10px 26px;font-size:13.5px;color:#93A9A4;}
.article-meta span{display:inline-flex;align-items:center;gap:8px;}
.meta-dot{width:6px;height:6px;border-radius:50%;background:var(--brand-500);display:inline-block;flex:0 0 auto;}

/* ---------- 正文区 ---------- */
.article-shell{padding:52px 0 76px;}
.article-layout{
  display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:40px;align-items:start;
}
.article-card{
  position:relative;overflow:hidden;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius-card);box-shadow:var(--shadow-sm);padding:40px 42px 34px;
}
.article-card::before{
  content:"";position:absolute;top:0;left:0;right:0;height:4px;
  background:linear-gradient(90deg,var(--brand-600) 0%,var(--brand-500) 46%,var(--accent-500) 100%);
}
.article-body{font-size:1.0625rem;line-height:1.85;color:#22303C;}
.article-body>*:first-child{margin-top:0;}
.article-body p{margin:0 0 1.2em;}
.article-body h2{
  font-size:clamp(1.28rem,2.1vw,1.55rem);font-weight:800;line-height:1.4;
  color:var(--ink-950);margin:2.1em 0 .85em;padding-left:14px;
  border-left:4px solid var(--brand-600);
}
.article-body h3{font-size:1.18rem;font-weight:800;color:var(--ink-950);margin:1.8em 0 .65em;line-height:1.5;}
.article-body h4{font-size:1.04rem;font-weight:700;color:var(--ink-700);margin:1.4em 0 .55em;}
.article-body ul{list-style:none;margin:0 0 1.3em;padding-left:0;}
.article-body ul>li{position:relative;padding-left:22px;margin:.55em 0;}
.article-body ul>li::before{
  content:"";position:absolute;left:2px;top:.72em;width:7px;height:7px;
  border-radius:2px;background:var(--brand-600);transform:rotate(45deg);
}
.article-body ol{margin:0 0 1.3em;padding-left:1.4em;}
.article-body ol>li{margin:.55em 0;padding-left:4px;}
.article-body ol>li::marker{color:var(--brand-600);font-weight:800;}
.article-body blockquote{
  margin:1.6em 0;padding:18px 22px;background:#F0F7F4;
  border-left:4px solid var(--brand-600);border-radius:0 14px 14px 0;color:#33463F;
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{border-radius:14px;margin:1.6em 0;height:auto;box-shadow:var(--shadow-sm);}
.article-body figure{margin:1.6em 0;}
.article-body figcaption{font-size:13.5px;color:var(--muted);text-align:center;margin-top:10px;}
.article-body a{color:#00875F;text-decoration:underline;text-underline-offset:3px;transition:color .2s;}
.article-body a:hover{color:var(--brand-600);}
.article-body strong{font-weight:800;color:var(--ink-950);}
.article-body hr{border:0;height:1px;background:var(--line);margin:2.4em 0;}
.article-body table{
  width:100%;border-collapse:collapse;margin:1.6em 0;font-size:.95rem;
  border:1px solid var(--line);border-radius:12px;overflow:hidden;
}
.article-body th{background:#F0F7F4;font-weight:700;color:var(--ink-950);text-align:left;}
.article-body th,.article-body td{padding:11px 15px;border-bottom:1px solid var(--line);}
.article-body tr:last-child td{border-bottom:0;}
.article-body code{
  background:#EEF3F1;padding:.15em .42em;border-radius:6px;font-size:.9em;color:#0E6B52;
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
}
.article-body pre{
  background:var(--ink-950);color:#D8E6E1;padding:18px 20px;border-radius:14px;
  overflow-x:auto;margin:1.6em 0;font-size:.9rem;line-height:1.7;
}
.article-body pre code{background:none;color:inherit;padding:0;}

/* ---------- 标签与分享 ---------- */
.article-foot{
  margin-top:36px;padding-top:24px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;gap:16px;justify-content:space-between;align-items:center;
}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;}
.tag{
  display:inline-flex;align-items:center;height:30px;padding:0 13px;border-radius:999px;
  background:#EEF7F4;border:1px solid #D4EDE4;color:#0C7A5D;font-size:13px;font-weight:600;
}
.share-row{display:flex;gap:8px;}
.share-btn{
  width:38px;height:38px;border-radius:11px;border:1px solid var(--line);background:#fff;
  color:var(--muted);display:inline-flex;align-items:center;justify-content:center;
  cursor:pointer;font-size:13px;font-weight:700;transition:.18s;
}
.share-btn:hover{border-color:var(--brand-600);color:#00875F;transform:translateY(-2px);}
.share-btn:focus-visible{outline:2px solid var(--brand-500);outline-offset:2px;}

/* ---------- 空状态 ---------- */
.empty-state{text-align:center;padding:56px 20px 44px;}
.empty-icon{
  width:64px;height:64px;border-radius:20px;background:#EEF7F4;color:#0C7A5D;
  display:flex;align-items:center;justify-content:center;margin:0 auto 18px;font-size:26px;font-weight:900;
}
.empty-state h2{font-size:1.35rem;font-weight:800;color:var(--ink-950);margin-bottom:10px;}
.empty-state p{color:var(--muted);margin-bottom:24px;font-size:15px;}

/* ---------- 侧栏卡片 ---------- */
.article-side{display:flex;flex-direction:column;gap:20px;position:sticky;top:24px;}
.side-card{
  background:#fff;border:1px solid var(--line);border-radius:16px;
  padding:22px;box-shadow:var(--shadow-sm);
}
.side-card h3{
  font-size:1rem;font-weight:800;color:var(--ink-950);margin-bottom:14px;
  display:flex;align-items:center;gap:9px;
}
.side-card h3::before{content:"";width:4px;height:16px;border-radius:2px;background:var(--brand-600);}
.side-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:11px;}
.side-list li{
  position:relative;padding-left:16px;font-size:14px;color:var(--muted);line-height:1.65;
}
.side-list li::before{
  content:"";position:absolute;left:0;top:.62em;width:6px;height:6px;border-radius:50%;background:var(--brand-600);
}
.side-card .btn{margin-top:4px;}

/* ---------- 相关推荐 ---------- */
.related-block{margin-top:56px;}
.block-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:14px;margin-bottom:22px;}
.block-head h2{font-size:clamp(1.3rem,2.2vw,1.7rem);font-weight:900;color:var(--ink-950);letter-spacing:-.01em;}
.block-head p{color:var(--muted);font-size:14.5px;margin-top:6px;}
.rec-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;}
.rec-card{
  display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);
  border-radius:16px;overflow:hidden;box-shadow:var(--shadow-sm);
  transition:transform .2s,box-shadow .2s,border-color .2s;
}
.rec-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:#BEE6D9;}
.rec-thumb{aspect-ratio:16/9;overflow:hidden;background:#E7EFEC;}
.rec-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s;}
.rec-card:hover .rec-thumb img{transform:scale(1.055);}
.rec-body{padding:18px 20px 22px;display:flex;flex-direction:column;gap:9px;flex:1;}
.rec-tag{
  align-self:flex-start;font-size:12px;font-weight:700;color:#0C7A5D;
  background:#EAF7F2;border-radius:999px;padding:3px 11px;
}
.rec-body h3{font-size:1.04rem;font-weight:800;color:var(--ink-950);line-height:1.45;}
.rec-body p{font-size:14px;color:var(--muted);line-height:1.7;flex:1;}
.rec-more{font-size:13.5px;font-weight:700;color:#00875F;display:inline-flex;align-items:center;gap:6px;}
.rec-card:hover .rec-more{color:var(--brand-600);}

/* ---------- FAQ ---------- */
.faq-block{margin-top:56px;max-width:920px;}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:14px;
  margin-bottom:12px;overflow:hidden;transition:border-color .2s,box-shadow .2s;
}
.faq-item[open]{border-color:#BEE6D9;box-shadow:var(--shadow-sm);}
.faq-item summary{
  list-style:none;cursor:pointer;padding:18px 22px;min-height:56px;
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  font-weight:700;font-size:15.5px;color:var(--ink-950);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"+";flex:0 0 auto;width:24px;text-align:center;
  font-size:20px;font-weight:700;color:var(--brand-600);transition:transform .25s;
}
.faq-item[open] summary::after{transform:rotate(45deg);}
.faq-item summary:focus-visible{outline:2px solid var(--brand-500);outline-offset:-2px;}
.faq-answer{padding:0 22px 20px;font-size:14.5px;color:var(--muted);line-height:1.8;}

/* ---------- CTA 条 ---------- */
.cta-band{
  margin-top:64px;background:var(--ink-950);border-radius:22px;padding:40px 44px;
  position:relative;overflow:hidden;
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(620px 260px at 92% 10%,rgba(0,200,150,.22),transparent 65%),
    linear-gradient(120deg,rgba(255,107,44,.10),transparent 55%);
}
.cta-inner{
  position:relative;z-index:2;display:flex;flex-wrap:wrap;gap:26px;
  align-items:center;justify-content:space-between;padding:0;
}
.cta-inner h2{font-size:clamp(1.25rem,2.2vw,1.6rem);font-weight:900;color:#fff;line-height:1.4;margin-bottom:8px;}
.cta-inner p{color:#9FB4AF;font-size:14.5px;max-width:560px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink-950);color:#8FA5A0;margin-top:72px;padding:56px 0 26px;border-top:1px solid rgba(255,255,255,.07);}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:36px;}
.footer-brand{display:flex;align-items:center;gap:11px;margin-bottom:16px;}
.footer-brand .brand-mark{width:34px;height:34px;font-size:18px;}
.footer-desc{font-size:14px;line-height:1.8;color:#8FA5A0;max-width:400px;}
.footer-col h4{color:#fff;font-size:14.5px;font-weight:800;margin-bottom:15px;letter-spacing:.02em;}
.footer-col a{display:block;font-size:14px;color:#8FA5A0;padding:5px 0;transition:color .2s,padding-left .2s;}
.footer-col a:hover{color:var(--brand-500);padding-left:5px;}
.footer-col ul{list-style:none;margin:0;padding:0;}
.footer-col ul li{font-size:14px;padding:5px 0;color:#8FA5A0;line-height:1.7;}
.footer-bottom{
  margin-top:40px;padding-top:22px;border-top:1px solid rgba(255,255,255,.08);
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  font-size:13px;color:#6E827D;
}

/* ---------- 响应式 ---------- */
@media (max-width:1100px){
  .article-layout{grid-template-columns:minmax(0,1fr);gap:28px;}
  .article-side{position:static;flex-direction:row;flex-wrap:wrap;}
  .article-side .side-card{flex:1 1 300px;}
}
@media (max-width:900px){
  .rec-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px;}
}
@media (max-width:767px){
  .page-head{padding:32px 0 40px;}
  .breadcrumb{font-size:12.5px;margin-bottom:14px;}
  .article-shell{padding:32px 0 52px;}
  .article-card{padding:26px 20px 24px;border-radius:16px;}
  .article-body{font-size:1rem;}
  .article-foot{flex-direction:column;align-items:flex-start;}
  .rec-grid{grid-template-columns:1fr;}
  .related-block,.faq-block{margin-top:44px;}
  .cta-band{padding:30px 22px;border-radius:18px;margin-top:48px;}
  .cta-inner{flex-direction:column;align-items:flex-start;}
  .cta-actions{width:100%;}
  .cta-actions .btn{flex:1 1 auto;}
  .site-footer{margin-top:52px;padding:42px 0 22px;}
  .footer-grid{grid-template-columns:1fr;gap:26px;}
  .footer-bottom{flex-direction:column;gap:6px;}
}
@media (max-width:520px){
  .article-side{flex-direction:column;}
  .btn{width:100%;}
  .share-row .share-btn{width:42px;height:42px;}
}

/* roulang page: category1 */
:root{
  --ink-950:#0B1116;
  --ink-800:#17212B;
  --ink-700:#243240;
  --brand-600:#00C896;
  --brand-500:#16E0A3;
  --brand-050:#E6FBF4;
  --accent-500:#FF6B2C;
  --accent-050:#FFF1E9;
  --bg:#F4F7F5;
  --surface:#FFFFFF;
  --muted:#5E6F68;
  --line:#DCE5E0;
  --radius-card:18px;
  --radius-btn:12px;
  --radius-input:12px;
  --shadow-sm:0 10px 30px rgba(11,17,22,.08);
  --shadow-lg:0 18px 45px rgba(11,17,22,.12);
  --sidebar-w:260px;
  --container:1280px;
}

*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"HarmonyOS Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  background:var(--bg);
  color:var(--ink-950);
  line-height:1.78;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button,input,textarea,select{font:inherit;color:inherit;}
h1,h2,h3,h4{line-height:1.2;font-weight:800;margin:0;letter-spacing:-.01em;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--brand-500);outline-offset:2px;border-radius:6px;}

.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 32px;
}

/* ============ 左侧 App Shell ============ */
.layout{display:block;}
.sidebar{
  position:fixed;
  top:0;left:0;bottom:0;
  width:var(--sidebar-w);
  background:var(--ink-950);
  border-right:1px solid rgba(255,255,255,.06);
  padding:0 16px 26px;
  overflow-y:auto;
  z-index:70;
  transition:transform .28s ease;
}
.sidebar::-webkit-scrollbar{width:6px;}
.sidebar::-webkit-scrollbar-thumb{background:rgba(255,255,255,.14);border-radius:6px;}

.brand{
  display:flex;align-items:center;gap:12px;
  height:72px;padding:0 10px;
  border-bottom:1px solid rgba(255,255,255,.07);
  margin-bottom:6px;
}
.brand-mark{
  width:38px;height:38px;flex:0 0 38px;
  display:grid;place-items:center;
  border-radius:11px;
  background:linear-gradient(135deg,var(--brand-600),#0aa87d);
  color:#04150F;font-weight:900;font-size:1.05rem;
  box-shadow:0 8px 18px rgba(0,200,150,.28);
}
.brand-lines{display:flex;flex-direction:column;line-height:1.15;}
.brand-l1{color:#F2F7F5;font-weight:800;font-size:1rem;letter-spacing:.02em;}
.brand-l2{color:var(--brand-500);font-weight:700;font-size:.82rem;letter-spacing:.14em;}
.brand-foot{margin-top:auto;padding-top:22px;}

.nav-label{
  font-size:.7rem;letter-spacing:.18em;color:#5F7078;
  margin:22px 0 8px;padding-left:12px;text-transform:uppercase;
}
.nav-item{
  display:flex;align-items:center;gap:10px;
  height:44px;padding:0 12px;margin-bottom:4px;
  border-radius:12px;
  color:#B4C2C8;font-size:.95rem;font-weight:500;
  position:relative;
  transition:background .2s,color .2s;
}
.nav-item:hover{background:rgba(255,255,255,.06);color:#fff;}
.nav-item.active{background:rgba(0,200,150,.14);color:#fff;font-weight:700;}
.nav-item.active::before{
  content:"";position:absolute;left:0;top:9px;bottom:9px;width:3px;
  border-radius:0 3px 3px 0;background:var(--brand-500);
}
.nav-dot{
  width:6px;height:6px;border-radius:50%;
  background:#3F5157;flex:0 0 6px;transition:background .2s;
}
.nav-item:hover .nav-dot{background:var(--brand-500);}
.nav-item.active .nav-dot{background:var(--brand-500);}
.nav-anchor{
  display:block;padding:8px 12px;border-radius:10px;
  color:#8B9DA5;font-size:.9rem;transition:.2s;
}
.nav-anchor:hover{color:var(--brand-500);background:rgba(255,255,255,.04);}

.side-cta{
  display:flex;align-items:center;justify-content:center;gap:8px;
  height:46px;border-radius:12px;margin-top:18px;
  background:var(--brand-600);color:#04150F;font-weight:800;font-size:.95rem;
  box-shadow:0 10px 24px rgba(0,200,150,.22);
  transition:background .2s,transform .2s;
}
.side-cta:hover{background:var(--brand-500);transform:translateY(-1px);}

.main{margin-left:var(--sidebar-w);min-height:100vh;}

/* ============ 移动端顶栏 ============ */
.topbar{
  display:none;
  position:fixed;top:0;left:0;right:0;height:60px;z-index:80;
  align-items:center;justify-content:space-between;
  padding:0 18px;
  background:rgba(11,17,22,.97);
  border-bottom:1px solid rgba(255,255,255,.08);
  backdrop-filter:blur(6px);
}
.topbar .brand{height:auto;border:0;margin:0;padding:0;}
.topbar .brand-l1{font-size:.95rem;}
.menu-btn{
  width:42px;height:42px;border-radius:11px;
  border:1px solid rgba(255,255,255,.18);background:transparent;color:#fff;
  display:grid;place-items:center;font-size:1.05rem;cursor:pointer;
  transition:.2s;
}
.menu-btn:hover{border-color:var(--brand-500);color:var(--brand-500);}
.backdrop{
  display:none;position:fixed;inset:0;background:rgba(11,17,22,.55);
  z-index:60;backdrop-filter:blur(2px);
}
.backdrop.show{display:block;}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 22px;border-radius:var(--radius-btn);
  font-weight:800;font-size:.95rem;border:1px solid transparent;cursor:pointer;
  transition:transform .18s ease,box-shadow .18s ease,background .18s ease,color .18s ease,border-color .18s ease;
  white-space:nowrap;
}
.btn-primary{background:var(--brand-600);color:#04150F;box-shadow:0 10px 24px rgba(0,200,150,.26);}
.btn-primary:hover{background:var(--brand-500);transform:translateY(-2px);box-shadow:0 16px 34px rgba(0,200,150,.32);}
.btn-ghost{border-color:rgba(255,255,255,.32);color:#fff;}
.btn-ghost:hover{border-color:var(--brand-500);background:rgba(22,224,163,.12);transform:translateY(-2px);}
.btn-accent{background:var(--accent-500);color:#fff;box-shadow:0 10px 24px rgba(255,107,44,.26);}
.btn-accent:hover{background:#ff7d45;transform:translateY(-2px);box-shadow:0 16px 34px rgba(255,107,44,.32);}
.btn-outline{border-color:var(--line);background:#fff;color:var(--ink-950);}
.btn-outline:hover{border-color:var(--brand-600);color:#04604A;transform:translateY(-2px);box-shadow:var(--shadow-sm);}
.btn:active{transform:translateY(0);}
.btn:disabled{opacity:.5;cursor:not-allowed;}

/* ============ Hero ============ */
.hero{
  position:relative;
  background-image:url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center;
  color:#fff;overflow:hidden;
}
.hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(102deg,rgba(11,17,22,.96) 0%,rgba(11,17,22,.88) 44%,rgba(11,17,22,.58) 100%);
}
.hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(255,255,255,.045) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(255,255,255,.045) 1px,transparent 1px);
  background-size:56px 56px;
  mask-image:radial-gradient(circle at 78% 32%,#000 0%,transparent 72%);
  -webkit-mask-image:radial-gradient(circle at 78% 32%,#000 0%,transparent 72%);
}
.hero-inner{position:relative;z-index:2;padding:72px 0 66px;}
.hero-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:52px;align-items:center;}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:.84rem;color:#93A6AC;margin-bottom:20px;}
.breadcrumb a:hover{color:var(--brand-500);}
.breadcrumb i{font-size:.62rem;color:#5F7078;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:999px;
  background:rgba(0,200,150,.14);border:1px solid rgba(0,200,150,.34);
  color:var(--brand-500);font-size:.8rem;font-weight:700;letter-spacing:.05em;
}
.hero h1{
  font-size:clamp(2rem,4.1vw,3.4rem);
  font-weight:900;letter-spacing:-.02em;line-height:1.14;
  margin:20px 0 18px;color:#fff;
}
.hero h1 em{font-style:normal;color:var(--brand-500);}
.hero-sub{color:#C0CED3;font-size:1.06rem;max-width:600px;line-height:1.85;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;}
.hero-figure{position:relative;}
.hero-figure img{
  width:100%;aspect-ratio:4/3;object-fit:cover;
  border-radius:22px;border:1px solid rgba(255,255,255,.14);
  box-shadow:0 26px 60px rgba(0,0,0,.42);
}
.hero-tag{
  position:absolute;left:-14px;bottom:22px;
  background:var(--ink-800);border:1px solid rgba(255,255,255,.1);
  border-radius:14px;padding:12px 16px;
  box-shadow:0 16px 36px rgba(0,0,0,.4);
  display:flex;align-items:center;gap:10px;
}
.hero-tag i{color:var(--brand-500);font-size:1.05rem;}
.hero-tag span{font-size:.85rem;color:#C0CED3;font-weight:600;}

.stat-bar{
  position:relative;z-index:2;
  display:grid;grid-template-columns:repeat(3,1fr);
  border-top:1px solid rgba(255,255,255,.1);
}
.stat-item{padding:22px 26px;border-right:1px solid rgba(255,255,255,.08);}
.stat-item:last-child{border-right:0;}
.stat-num{
  font-size:1.6rem;font-weight:900;color:var(--brand-500);
  font-variant-numeric:tabular-nums;letter-spacing:-.01em;
}
.stat-label{font-size:.86rem;color:#93A6AC;margin-top:2px;}

/* ============ 通用板块 ============ */
.section{padding:76px 0;}
.section-tight{padding:56px 0;}
.section-dark{background:var(--ink-950);color:#E7EEF1;}
.section-head{max-width:760px;margin-bottom:38px;}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.section-kicker{
  display:inline-flex;align-items:center;gap:8px;
  font-size:.78rem;font-weight:800;letter-spacing:.18em;
  color:#0A8C6A;text-transform:uppercase;margin-bottom:12px;
}
.section-kicker::before{content:"";width:22px;height:3px;border-radius:3px;background:var(--accent-500);}
.section-dark .section-kicker{color:var(--brand-500);}
.section-title{font-size:clamp(1.5rem,2.6vw,2.15rem);}
.section-desc{color:var(--muted);margin-top:14px;font-size:1.02rem;}
.section-dark .section-desc{color:#9DB0B7;}

/* ============ 筛选标签 ============ */
.chip-row{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:34px;}
.chip{
  height:40px;padding:0 18px;border-radius:999px;
  border:1px solid var(--line);background:#fff;color:#40534B;
  font-size:.9rem;font-weight:600;cursor:pointer;
  display:inline-flex;align-items:center;gap:7px;
  transition:.2s;
}
.chip:hover{border-color:var(--brand-600);color:#04604A;transform:translateY(-1px);}
.chip.active{background:var(--ink-950);border-color:var(--ink-950);color:#fff;}
.chip.active i{color:var(--brand-500);}

/* ============ 步骤时间线 ============ */
.timeline{position:relative;padding-left:8px;}
.timeline::before{
  content:"";position:absolute;left:29px;top:12px;bottom:12px;width:2px;
  background:linear-gradient(180deg,var(--brand-600),rgba(0,200,150,.12));
}
.step{
  position:relative;display:grid;grid-template-columns:60px 1fr;gap:22px;
  padding:0 0 26px;
}
.step:last-child{padding-bottom:0;}
.step-num{
  width:58px;height:58px;border-radius:16px;
  display:grid;place-items:center;
  background:#fff;border:1px solid var(--line);
  font-weight:900;font-size:1.1rem;color:#0A8C6A;
  box-shadow:var(--shadow-sm);
  font-variant-numeric:tabular-nums;
  position:relative;z-index:2;
}
.step-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
  padding:24px 26px;box-shadow:var(--shadow-sm);
  transition:transform .2s,box-shadow .2s,border-color .2s;
}
.step-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-lg);border-color:#BEEBDB;}
.step-card h3{font-size:1.2rem;margin-bottom:10px;display:flex;flex-wrap:wrap;align-items:center;gap:10px;}
.step-tag{
  font-size:.72rem;font-weight:800;letter-spacing:.06em;
  padding:3px 10px;border-radius:999px;
  background:var(--brand-050);color:#067A5C;border:1px solid #BFEDDD;
}
.step-card p{color:var(--muted);}
.step-points{margin-top:14px;display:grid;gap:8px;}
.step-points li{
  display:flex;gap:10px;align-items:flex-start;
  font-size:.94rem;color:#33463F;
}
.step-points i{color:var(--brand-600);margin-top:5px;font-size:.8rem;}

/* ============ 方式对比卡片 ============ */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:26px;align-items:center;}

.method-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
  overflow:hidden;box-shadow:var(--shadow-sm);display:flex;flex-direction:column;
  transition:transform .22s,box-shadow .22s,border-color .22s;
}
.method-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg);border-color:#BEEBDB;}
.method-card .thumb{position:relative;overflow:hidden;}
.method-card .thumb img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .4s ease;}
.method-card:hover .thumb img{transform:scale(1.05);}
.method-card .thumb::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(11,17,22,0) 40%,rgba(11,17,22,.6) 100%);
}
.method-badge{
  position:absolute;top:14px;left:14px;z-index:2;
  padding:5px 12px;border-radius:999px;
  background:rgba(11,17,22,.78);border:1px solid rgba(255,255,255,.16);
  color:#fff;font-size:.76rem;font-weight:700;backdrop-filter:blur(4px);
}
.method-body{padding:22px 24px 26px;display:flex;flex-direction:column;flex:1;}
.method-body h3{font-size:1.14rem;margin-bottom:10px;}
.method-body p{color:var(--muted);font-size:.95rem;flex:1;}
.method-meta{
  margin-top:16px;padding-top:16px;border-top:1px dashed var(--line);
  display:flex;flex-wrap:wrap;gap:8px;
}
.tag{
  font-size:.78rem;font-weight:700;color:#3E5149;
  background:#F1F6F3;border:1px solid var(--line);
  padding:4px 11px;border-radius:999px;
}

/* ============ 核对清单 ============ */
.check-panel{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
  padding:30px 30px 26px;box-shadow:var(--shadow-sm);
}
.check-list{display:grid;gap:16px;}
.check-list li{display:flex;gap:14px;align-items:flex-start;}
.check-icon{
  width:26px;height:26px;flex:0 0 26px;border-radius:9px;
  display:grid;place-items:center;
  background:var(--brand-050);color:#067A5C;font-size:.74rem;margin-top:3px;
}
.check-list strong{display:block;font-size:1rem;font-weight:800;margin-bottom:2px;}
.check-list span{color:var(--muted);font-size:.94rem;}
.figure-frame{border-radius:var(--radius-card);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow-sm);}
.figure-frame img{width:100%;aspect-ratio:4/3;object-fit:cover;}

/* ============ 报错对照 ============ */
.fault-list{display:grid;gap:14px;}
.fault-item{
  display:grid;grid-template-columns:44px 1fr auto;gap:18px;align-items:center;
  background:#fff;border:1px solid var(--line);border-left:4px solid var(--accent-500);
  border-radius:14px;padding:18px 22px;box-shadow:var(--shadow-sm);
  transition:transform .2s,box-shadow .2s;
}
.fault-item:hover{transform:translateX(3px);box-shadow:var(--shadow-lg);}
.fault-item .fi{color:var(--accent-500);font-size:1.15rem;text-align:center;}
.fault-item h3{font-size:1.02rem;margin-bottom:4px;}
.fault-item p{color:var(--muted);font-size:.93rem;}
.fault-link{
  font-size:.86rem;font-weight:800;color:#067A5C;white-space:nowrap;
  display:inline-flex;align-items:center;gap:6px;
}
.fault-link:hover{color:var(--accent-500);}

/* ============ CTA 带 ============ */
.cta-band{
  position:relative;overflow:hidden;
  background:var(--ink-950);color:#fff;
  border-radius:24px;padding:48px 52px;
  display:grid;grid-template-columns:1.25fr .75fr;gap:38px;align-items:center;
}
.cta-band::after{
  content:"";position:absolute;right:-60px;top:-60px;width:280px;height:280px;
  background:radial-gradient(circle,rgba(0,200,150,.24),transparent 68%);
}
.cta-band h2{font-size:clamp(1.5rem,2.4vw,2rem);margin-bottom:12px;}
.cta-band p{color:#9DB0B7;max-width:620px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;position:relative;z-index:2;}
.contact-note{
  display:flex;flex-direction:column;gap:10px;
  font-size:.9rem;color:#B4C2C8;margin-top:18px;
}
.contact-note span{display:flex;align-items:center;gap:9px;}
.contact-note i{color:var(--brand-500);}

/* ============ 页脚 ============ */
.site-footer{background:#080D11;color:#93A6AC;margin-top:20px;padding:60px 0 26px;}
.footer-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px;
  padding-bottom:38px;border-bottom:1px solid rgba(255,255,255,.08);
}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px;}
.footer-brand .brand-mark{box-shadow:none;}
.footer-desc{color:#839097;font-size:.92rem;line-height:1.8;max-width:340px;}
.footer-col h4{color:#E7EEF1;font-size:.98rem;margin-bottom:16px;letter-spacing:.02em;}
.footer-col a{
  display:block;color:#8C9AA1;font-size:.92rem;padding:6px 0;
  transition:color .2s,transform .2s;
}
.footer-col a:hover{color:var(--brand-500);transform:translateX(3px);}
.footer-col ul li{color:#8C9AA1;font-size:.92rem;padding:5px 0;display:flex;gap:8px;align-items:flex-start;}
.footer-col ul li::before{content:"";width:5px;height:5px;border-radius:50%;background:#33454C;margin-top:11px;flex:0 0 5px;}
.footer-bottom{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
  padding-top:22px;font-size:.84rem;color:#6C7A81;
}

/* ============ 响应式 ============ */
@media (max-width:1279px){
  :root{--sidebar-w:220px;}
  .container{padding:0 26px;}
  .hero-inner{padding:60px 0 54px;}
  .hero-grid{gap:36px;}
}
@media (max-width:1023px){
  .sidebar{transform:translateX(-100%);width:272px;}
  .sidebar.open{transform:none;}
  .main{margin-left:0;padding-top:60px;}
  .topbar{display:flex;}
  .hero-grid{grid-template-columns:1fr;gap:34px;}
  .hero-figure img{aspect-ratio:16/9;}
  .grid-3{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px;}
  .cta-band{grid-template-columns:1fr;padding:38px 30px;}
}
@media (max-width:767px){
  .container{padding:0 20px;}
  .section{padding:52px 0;}
  .section-tight{padding:42px 0;}
  .hero-inner{padding:44px 0 40px;}
  .hero-sub{font-size:1rem;}
  .hero-actions .btn{flex:1 1 100%;}
  .stat-bar{grid-template-columns:1fr;}
  .stat-item{border-right:0;border-bottom:1px solid rgba(255,255,255,.08);padding:16px 20px;}
  .stat-item:last-child{border-bottom:0;}
  .grid-3{grid-template-columns:1fr;}
  .grid-2{grid-template-columns:1fr;}
  .timeline::before{left:23px;}
  .step{grid-template-columns:47px 1fr;gap:15px;}
  .step-num{width:46px;height:46px;border-radius:13px;font-size:.95rem;}
  .step-card{padding:20px;}
  .fault-item{grid-template-columns:34px 1fr;padding:16px;}
  .fault-item .fault-link{grid-column:2;margin-top:6px;}
  .footer-grid{grid-template-columns:1fr;gap:26px;}
  .footer-desc{max-width:none;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .chip{flex:1 1 auto;justify-content:center;}
}
@media (max-width:519px){
  .hero h1{font-size:1.82rem;}
  .cta-band{padding:30px 22px;border-radius:18px;}
  .side-cta,.btn{font-size:.92rem;}
}

/* roulang page: category2 */
:root{
  --ink-950:#0B1116;
  --ink-900:#101820;
  --ink-800:#17212B;
  --brand-600:#00C896;
  --brand-500:#16E0A3;
  --brand-050:#E6FBF4;
  --accent-500:#FF6B2C;
  --accent-050:#FFF1E9;
  --bg:#F4F7F5;
  --surface:#FFFFFF;
  --muted:#5E6F68;
  --line:#DCE5E0;
  --radius-card:18px;
  --radius-btn:13px;
  --shadow-sm:0 10px 30px rgba(11,17,22,.08);
  --shadow-md:0 18px 45px rgba(11,17,22,.12);
  --sidebar-w:260px;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"HarmonyOS Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  background:var(--bg);
  color:var(--ink-800);
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  font-size:16px;
}
img{display:block;max-width:100%;}
a{color:inherit;text-decoration:none;}
button,input,select,textarea{font-family:inherit;font-size:inherit;}
:focus-visible{outline:2px solid var(--brand-500);outline-offset:2px;}

/* ---------- 布局骨架 ---------- */
.app-shell{display:flex;min-height:100vh;}
.main-area{
  margin-left:var(--sidebar-w);
  flex:1 1 auto;
  min-width:0;
  display:flex;
  flex-direction:column;
}
.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 32px;
}

/* ---------- 侧边导航 ---------- */
.sidebar{
  position:fixed;
  top:0;bottom:0;left:0;
  width:var(--sidebar-w);
  background:var(--ink-950);
  color:#fff;
  z-index:60;
  display:flex;
  flex-direction:column;
  border-right:1px solid rgba(255,255,255,.06);
}
.sidebar-inner{
  padding:14px 16px 28px;
  overflow-y:auto;
  flex:1 1 auto;
}
.sidebar-inner::-webkit-scrollbar{width:6px;}
.sidebar-inner::-webkit-scrollbar-thumb{background:rgba(255,255,255,.14);border-radius:99px;}
.brand{
  display:flex;
  align-items:center;
  gap:11px;
  height:72px;
  padding:0 6px;
  flex:0 0 auto;
}
.brand-mark{
  width:38px;height:38px;
  flex:0 0 38px;
  border-radius:11px;
  background:linear-gradient(135deg,var(--brand-600),var(--brand-500));
  color:#06231A;
  font-weight:900;
  font-size:1.1rem;
  display:grid;
  place-items:center;
  letter-spacing:-.02em;
}
.brand-lines{display:flex;flex-direction:column;line-height:1.15;}
.brand-l1{font-size:.98rem;font-weight:800;color:#fff;letter-spacing:.01em;}
.brand-l2{font-size:.76rem;font-weight:600;color:var(--brand-500);letter-spacing:.16em;}
.sidebar-close{
  margin-left:auto;
  width:36px;height:36px;
  border:1px solid rgba(255,255,255,.16);
  background:transparent;
  color:rgba(255,255,255,.7);
  border-radius:10px;
  display:none;
  place-items:center;
  cursor:pointer;
}
.sidebar-close:hover{color:#fff;border-color:var(--brand-500);}
.nav-label{
  font-size:.68rem;
  letter-spacing:.18em;
  text-transform:uppercase;
  color:rgba(255,255,255,.36);
  margin:22px 0 10px;
  padding-left:12px;
  font-weight:700;
}
.sidebar-nav{display:flex;flex-direction:column;gap:2px;}
.nav-item{
  position:relative;
  display:flex;
  align-items:center;
  gap:10px;
  height:44px;
  padding:0 12px;
  border-radius:10px;
  font-size:.92rem;
  font-weight:600;
  color:rgba(255,255,255,.72);
  transition:background .18s,color .18s;
}
.nav-dot{
  width:6px;height:6px;border-radius:50%;
  background:rgba(255,255,255,.24);
  flex:0 0 6px;
  transition:background .18s,box-shadow .18s;
}
.nav-item:hover{background:rgba(255,255,255,.06);color:#fff;}
.nav-item.active{background:rgba(0,200,150,.14);color:#fff;}
.nav-item.active::before{
  content:"";
  position:absolute;left:0;top:8px;bottom:8px;width:3px;
  border-radius:0 3px 3px 0;
  background:var(--brand-500);
}
.nav-item.active .nav-dot{background:var(--brand-500);box-shadow:0 0 0 4px rgba(22,224,163,.16);}
.nav-anchor{
  display:block;
  padding:8px 12px;
  border-radius:9px;
  font-size:.86rem;
  color:rgba(255,255,255,.55);
  transition:color .18s,background .18s;
}
.nav-anchor:hover{color:#fff;background:rgba(255,255,255,.05);}
.sidebar-cta{
  display:flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:46px;
  margin-top:26px;
  border-radius:12px;
  background:linear-gradient(135deg,var(--brand-600),var(--brand-500));
  color:#06231A;
  font-weight:800;
  font-size:.92rem;
  box-shadow:0 12px 28px rgba(0,200,150,.22);
  transition:transform .18s,box-shadow .18s;
}
.sidebar-cta:hover{transform:translateY(-2px);box-shadow:0 16px 34px rgba(0,200,150,.3);}

/* ---------- 移动端顶栏 ---------- */
.mobile-bar{
  display:none;
  position:sticky;
  top:0;
  z-index:50;
  background:var(--ink-950);
  color:#fff;
  height:64px;
  align-items:center;
  justify-content:space-between;
  padding:0 18px;
  border-bottom:1px solid rgba(255,255,255,.07);
}
.mobile-bar .brand{height:64px;padding:0;}
.menu-btn{
  width:44px;height:44px;
  border-radius:12px;
  border:1px solid rgba(255,255,255,.16);
  background:rgba(255,255,255,.04);
  color:#fff;
  display:grid;
  place-items:center;
  cursor:pointer;
  transition:border-color .18s,background .18s;
}
.menu-btn:hover{border-color:var(--brand-500);background:rgba(22,224,163,.12);}
.sidebar-overlay{
  position:fixed;inset:0;
  background:rgba(11,17,22,.55);
  backdrop-filter:blur(2px);
  opacity:0;
  pointer-events:none;
  z-index:55;
  transition:opacity .28s;
}
.sidebar-overlay.show{opacity:1;pointer-events:auto;}

/* ---------- 通用区块 ---------- */
.section{padding:76px 0;}
.section-tight{padding:56px 0;}
.section-white{background:var(--surface);}
.section-dark{background:var(--ink-950);color:#fff;}
.section-head{max-width:740px;margin-bottom:38px;}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:.76rem;
  font-weight:800;
  letter-spacing:.16em;
  text-transform:uppercase;
  color:var(--brand-600);
  margin-bottom:14px;
}
.eyebrow::before{
  content:"";
  width:22px;height:2px;
  border-radius:2px;
  background:var(--brand-600);
  display:inline-block;
}
.section-title{
  font-size:clamp(1.5rem,2.5vw,2.1rem);
  line-height:1.22;
  font-weight:900;
  color:var(--ink-950);
  margin:0 0 14px;
  letter-spacing:-.01em;
}
.section-dark .section-title{color:#fff;}
.section-desc{margin:0;color:var(--muted);font-size:1.03rem;}
.section-dark .section-desc{color:rgba(255,255,255,.7);}

/* ---------- 页面头部 Hero ---------- */
.page-hero{
  position:relative;
  background:var(--ink-950);
  color:#fff;
  overflow:hidden;
  padding:84px 0 72px;
}
.page-hero::before{
  content:"";
  position:absolute;inset:0;
  background-image:url("/assets/images/backpic/back-1.png");
  background-size:cover;
  background-position:center;
  opacity:.26;
}
.page-hero::after{
  content:"";
  position:absolute;inset:0;
  background-image:linear-gradient(rgba(22,224,163,.07) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(22,224,163,.07) 1px,transparent 1px);
  background-size:56px 56px;
  mask-image:radial-gradient(circle at 78% 22%,#000 0%,transparent 72%);
  -webkit-mask-image:radial-gradient(circle at 78% 22%,#000 0%,transparent 72%);
}
.page-hero .container{position:relative;z-index:2;}
.crumb{
  display:flex;
  align-items:center;
  gap:9px;
  font-size:.84rem;
  color:rgba(255,255,255,.55);
  margin-bottom:22px;
  flex-wrap:wrap;
}
.crumb a{color:rgba(255,255,255,.72);transition:color .18s;}
.crumb a:hover{color:var(--brand-500);}
.crumb i{font-size:.6rem;color:rgba(255,255,255,.32);}
.hero-badge{
  display:inline-flex;
  align-items:center;
  gap:9px;
  height:34px;
  padding:0 15px;
  border-radius:999px;
  background:rgba(22,224,163,.14);
  border:1px solid rgba(22,224,163,.34);
  color:var(--brand-500);
  font-size:.82rem;
  font-weight:700;
  margin-bottom:22px;
}
.hero-badge i{font-size:.78rem;}
.page-hero h1{
  font-size:clamp(2rem,4.2vw,3.35rem);
  line-height:1.15;
  font-weight:900;
  letter-spacing:-.02em;
  margin:0 0 20px;
  max-width:19ch;
}
.page-hero h1 .hl{
  color:var(--brand-500);
  display:inline-block;
}
.hero-lead{
  max-width:660px;
  font-size:1.06rem;
  color:rgba(255,255,255,.78);
  margin:0 0 30px;
}
.search-box{
  display:flex;
  gap:10px;
  background:#fff;
  border-radius:16px;
  padding:10px;
  max-width:640px;
  box-shadow:0 20px 45px rgba(0,0,0,.28);
}
.search-box .search-icon{
  display:grid;
  place-items:center;
  width:44px;
  color:var(--muted);
  flex:0 0 44px;
}
.search-box input{
  flex:1 1 auto;
  min-width:0;
  border:0;
  outline:0;
  background:transparent;
  padding:0 6px;
  color:var(--ink-950);
  font-size:.98rem;
}
.search-box input::placeholder{color:#93A29B;}
.hero-tags{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin-top:22px;
}
.hero-tags span{
  font-size:.82rem;
  color:rgba(255,255,255,.66);
  border:1px solid rgba(255,255,255,.16);
  border-radius:999px;
  padding:5px 13px;
}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:9px;
  height:48px;
  padding:0 24px;
  border-radius:var(--radius-btn);
  font-weight:800;
  font-size:.95rem;
  border:1px solid transparent;
  cursor:pointer;
  white-space:nowrap;
  transition:transform .18s,box-shadow .18s,background .18s,color .18s,border-color .18s;
}
.btn-primary{
  background:linear-gradient(135deg,var(--brand-600),var(--brand-500));
  color:#06231A;
  box-shadow:0 12px 28px rgba(0,200,150,.26);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 18px 38px rgba(0,200,150,.34);}
.btn-primary:active{transform:translateY(0);}
.btn-accent{
  background:linear-gradient(135deg,#FF7A3D,var(--accent-500));
  color:#fff;
  box-shadow:0 12px 28px rgba(255,107,44,.3);
}
.btn-accent:hover{transform:translateY(-2px);box-shadow:0 18px 38px rgba(255,107,44,.36);}
.btn-outline{
  background:transparent;
  border-color:var(--line);
  color:var(--ink-800);
}
.btn-outline:hover{border-color:var(--brand-500);background:var(--brand-050);color:#046A54;}
.btn-ghost-light{
  background:transparent;
  border-color:rgba(255,255,255,.28);
  color:#fff;
}
.btn-ghost-light:hover{border-color:var(--brand-500);background:rgba(22,224,163,.12);}
.btn-block{width:100%;}

/* ---------- 标签 / 徽章 ---------- */
.tag{
  display:inline-flex;
  align-items:center;
  gap:6px;
  height:29px;
  padding:0 12px;
  border-radius:999px;
  font-size:.78rem;
  font-weight:700;
  background:var(--brand-050);
  color:#03795E;
  border:1px solid rgba(0,200,150,.26);
}
.tag-orange{background:var(--accent-050);color:#B84513;border-color:rgba(255,107,44,.28);}
.tag-ink{background:rgba(11,17,22,.06);color:var(--ink-800);border-color:var(--line);}

/* ---------- 网格 ---------- */
.grid{display:grid;gap:24px;}
.grid-2{grid-template-columns:repeat(2,minmax(0,1fr));}
.grid-3{grid-template-columns:repeat(3,minmax(0,1fr));}
.grid-4{grid-template-columns:repeat(4,minmax(0,1fr));}

/* ---------- 卡片 ---------- */
.card{
  position:relative;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  box-shadow:var(--shadow-sm);
  overflow:hidden;
  transition:transform .22s,box-shadow .22s,border-color .22s;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:rgba(0,200,150,.42);}
.card-bar{height:4px;background:linear-gradient(90deg,var(--brand-600),var(--brand-500));}
.card-bar.orange{background:linear-gradient(90deg,#FF7A3D,var(--accent-500));}
.card-body{padding:26px 24px;}
.card h3{
  font-size:1.12rem;
  font-weight:800;
  color:var(--ink-950);
  margin:14px 0 10px;
  line-height:1.4;
}
.card p{margin:0;color:var(--muted);font-size:.94rem;}
.card-icon{
  width:44px;height:44px;
  border-radius:12px;
  display:grid;
  place-items:center;
  background:var(--brand-050);
  color:#03795E;
  font-size:1.05rem;
}
.card-icon.orange{background:var(--accent-050);color:#C24E18;}
.card-media{aspect-ratio:16/9;overflow:hidden;border-radius:14px;margin-bottom:18px;background:#E9EFEC;}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s;}
.card:hover .card-media img{transform:scale(1.05);}
.card-list{list-style:none;padding:0;margin:16px 0 0;display:flex;flex-direction:column;gap:10px;}
.card-list li{
  display:flex;
  gap:10px;
  align-items:flex-start;
  font-size:.92rem;
  color:var(--muted);
}
.card-list li i{color:var(--brand-600);font-size:.78rem;margin-top:6px;flex:0 0 auto;}

/* ---------- 排查步骤 ---------- */
.steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:22px;}
.step{
  position:relative;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:26px 22px 24px;
  box-shadow:var(--shadow-sm);
  transition:transform .2s,box-shadow .2s,border-color .2s;
}
.step:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:rgba(0,200,150,.42);}
.step-num{
  width:44px;height:44px;
  border-radius:12px;
  background:var(--ink-950);
  color:var(--brand-500);
  display:grid;
  place-items:center;
  font-weight:900;
  font-size:1rem;
  font-variant-numeric:tabular-nums;
  margin-bottom:16px;
}
.step h3{font-size:1.05rem;font-weight:800;color:var(--ink-950);margin:0 0 8px;}
.step p{margin:0;color:var(--muted);font-size:.92rem;}
.step::after{
  content:"";
  position:absolute;
  top:47px;right:-12px;
  width:12px;height:2px;
  background:linear-gradient(90deg,var(--brand-500),rgba(22,224,163,.1));
}
.step:last-child::after{display:none;}

/* ---------- FAQ ---------- */
.faq-group{margin-bottom:30px;}
.faq-group-title{
  display:flex;
  align-items:center;
  gap:10px;
  font-size:1rem;
  font-weight:800;
  color:var(--ink-950);
  margin:0 0 14px;
}
.faq-group-title span{
  width:28px;height:28px;
  border-radius:9px;
  background:var(--ink-950);
  color:var(--brand-500);
  display:grid;
  place-items:center;
  font-size:.82rem;
  font-weight:900;
}
.faq-item{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:16px;
  margin-bottom:12px;
  overflow:hidden;
  transition:border-color .2s,box-shadow .2s;
}
.faq-item:hover{border-color:rgba(0,200,150,.4);}
.faq-item[open]{border-color:rgba(0,200,150,.55);box-shadow:var(--shadow-sm);}
.faq-q{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  padding:17px 20px;
  min-height:56px;
  cursor:pointer;
  font-weight:700;
  font-size:.99rem;
  color:var(--ink-950);
  list-style:none;
}
.faq-q::-webkit-details-marker{display:none;}
.faq-q .chev{
  width:28px;height:28px;
  flex:0 0 28px;
  border-radius:9px;
  background:var(--brand-050);
  color:#03795E;
  display:grid;
  place-items:center;
  font-size:.72rem;
  transition:transform .25s,background .25s,color .25s;
}
.faq-item[open] .chev{transform:rotate(180deg);background:var(--brand-600);color:#fff;}
.faq-a{
  padding:0 20px 20px;
  color:var(--muted);
  font-size:.95rem;
  line-height:1.8;
  border-top:1px dashed var(--line);
  padding-top:16px;
  margin:0 20px 20px;
}
.faq-empty{
  display:none;
  text-align:center;
  padding:44px 20px;
  border:1px dashed var(--line);
  border-radius:16px;
  background:var(--surface);
  color:var(--muted);
}
.faq-empty i{font-size:1.6rem;color:var(--brand-600);margin-bottom:12px;display:block;}

/* ---------- 链接卡片 ---------- */
.link-card{
  display:flex;
  gap:16px;
  align-items:flex-start;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:20px;
  box-shadow:var(--shadow-sm);
  transition:transform .2s,box-shadow .2s,border-color .2s;
}
.link-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:rgba(0,200,150,.42);}
.link-thumb{
  width:64px;height:64px;
  flex:0 0 64px;
  border-radius:14px;
  overflow:hidden;
  background:#E9EFEC;
}
.link-thumb img{width:100%;height:100%;object-fit:cover;}
.link-card h3{font-size:1rem;font-weight:800;color:var(--ink-950);margin:0 0 6px;}
.link-card p{margin:0 0 8px;color:var(--muted);font-size:.88rem;line-height:1.65;}
.link-card .go{font-size:.82rem;font-weight:800;color:#03795E;display:inline-flex;align-items:center;gap:6px;}
.link-card:hover .go{color:var(--brand-600);}

/* ---------- 咨询表单 ---------- */
.contact-wrap{
  display:grid;
  grid-template-columns:1fr 1.1fr;
  gap:32px;
  align-items:start;
}
.contact-panel{
  background:var(--ink-950);
  color:#fff;
  border-radius:20px;
  padding:34px 30px;
  position:relative;
  overflow:hidden;
}
.contact-panel::after{
  content:"";
  position:absolute;
  right:-40px;bottom:-40px;
  width:180px;height:180px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(255,107,44,.32),transparent 68%);
}
.contact-panel h3{font-size:1.3rem;font-weight:900;margin:0 0 12px;position:relative;}
.contact-panel p{color:rgba(255,255,255,.72);font-size:.94rem;margin:0 0 22px;position:relative;}
.contact-facts{list-style:none;padding:0;margin:0;position:relative;display:flex;flex-direction:column;gap:14px;}
.contact-facts li{display:flex;gap:12px;align-items:flex-start;font-size:.92rem;color:rgba(255,255,255,.84);}
.contact-facts i{color:var(--brand-500);margin-top:5px;font-size:.8rem;}
.form-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:20px;
  padding:30px 28px;
  box-shadow:var(--shadow-sm);
}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:18px;}
.field{margin-bottom:18px;}
.field label{
  display:block;
  font-size:.86rem;
  font-weight:700;
  color:var(--ink-800);
  margin-bottom:8px;
}
.field input,
.field select,
.field textarea{
  width:100%;
  border:1px solid var(--line);
  border-radius:12px;
  background:#FBFDFC;
  padding:12px 14px;
  color:var(--ink-950);
  transition:border-color .18s,box-shadow .18s,background .18s;
}
.field textarea{min-height:108px;resize:vertical;}
.field input:focus,
.field select:focus,
.field textarea:focus{
  outline:none;
  border-color:var(--brand-600);
  background:#fff;
  box-shadow:0 0 0 4px rgba(0,200,150,.16);
}
.check-line{display:flex;gap:10px;align-items:flex-start;font-size:.86rem;color:var(--muted);margin-bottom:22px;}
.check-line input{width:18px;height:18px;margin-top:3px;accent-color:var(--brand-600);flex:0 0 18px;}
.form-note{font-size:.78rem;color:#93A29B;margin-top:14px;}
.form-note.ok{color:#03795E;font-weight:700;}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--ink-950);
  color:rgba(255,255,255,.72);
  padding:64px 0 28px;
  margin-top:0;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.7fr 1fr 1fr 1fr;
  gap:36px;
}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:18px;}
.footer-brand .brand-mark{width:40px;height:40px;flex:0 0 40px;}
.footer-brand .brand-l1{font-size:1.02rem;}
.footer-brand .brand-l2{font-size:.78rem;}
.footer-desc{font-size:.9rem;color:rgba(255,255,255,.6);margin:0;max-width:360px;line-height:1.75;}
.footer-col h4{color:#fff;font-size:.95rem;font-weight:800;margin:0 0 16px;}
.footer-col a{
  display:block;
  padding:6px 0;
  font-size:.9rem;
  color:rgba(255,255,255,.64);
  transition:color .18s,padding-left .18s;
}
.footer-col a:hover{color:var(--brand-500);padding-left:4px;}
.footer-col ul{list-style:none;padding:0;margin:0;}
.footer-col li{padding:6px 0;font-size:.9rem;color:rgba(255,255,255,.64);}
.footer-bottom{
  display:flex;
  justify-content:space-between;
  gap:14px;
  flex-wrap:wrap;
  margin-top:42px;
  padding-top:22px;
  border-top:1px solid rgba(255,255,255,.1);
  font-size:.82rem;
  color:rgba(255,255,255,.48);
}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  :root{--sidebar-w:220px;}
  .container{padding:0 28px;}
}
@media (max-width:1023px){
  .mobile-bar{display:flex;}
  .sidebar{transform:translateX(-100%);transition:transform .3s ease;width:272px;}
  .sidebar.open{transform:translateX(0);}
  .sidebar-close{display:grid;}
  .main-area{margin-left:0;}
  .page-hero{padding:56px 0 52px;}
  .section{padding:56px 0;}
  .grid-4{grid-template-columns:repeat(2,minmax(0,1fr));}
  .grid-3{grid-template-columns:repeat(2,minmax(0,1fr));}
  .steps{grid-template-columns:repeat(2,minmax(0,1fr));}
  .step::after{display:none;}
  .contact-wrap{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;}
}
@media (max-width:639px){
  .container{padding:0 20px;}
  .page-hero h1{max-width:none;}
  .search-box{flex-direction:column;padding:12px;}
  .search-box .search-icon{display:none;}
  .search-box input{padding:8px 10px;border:1px solid var(--line);border-radius:10px;height:46px;}
  .search-box .btn{width:100%;}
  .grid-2,.grid-3,.grid-4,.steps{grid-template-columns:1fr;}
  .form-row{grid-template-columns:1fr;}
  .section{padding:48px 0;}
  .footer-grid{grid-template-columns:1fr;gap:26px;}
  .footer-bottom{flex-direction:column;gap:8px;}
  .link-card{flex-direction:column;}
  .btn{width:100%;}
  .btn-inline{width:auto;}
}