/* roulang page: index */
:root{
  --brand:#1F5FBF;
  --brand-strong:#174A99;
  --brand-soft:#EAF2FF;
  --accent:#18A999;
  --accent-soft:#E6F7F4;
  --warm:#F2A33A;
  --ink:#0E1B2C;
  --muted:#5B6B80;
  --line:#DCE5F2;
  --surface:#FFFFFF;
  --surface-2:#F6F8FB;
  --surface-3:#EEF3FA;
  --success:#1E9E6A;
  --danger:#C44545;
  --radius-lg:24px;
  --radius:20px;
  --radius-md:16px;
  --radius-sm:12px;
  --shadow-sm:0 2px 8px rgba(20,60,120,.06);
  --shadow:0 12px 32px rgba(20,60,120,.08);
  --shadow-lg:0 18px 48px rgba(20,60,120,.12);
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
html body{
  margin:0;
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--ink);
  background:var(--surface);
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
}
body.no-scroll{overflow:hidden}
body a{color:inherit;text-decoration:none}
body img{display:block;max-width:100%}
body button{font-family:inherit}
body ul,body ol{list-style:none;margin:0;padding:0}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 20px}
@media(min-width:768px){.container{padding:0 24px}}
@media(min-width:1280px){.container{max-width:1240px;padding:0 32px}}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:50;
  background:#fff;
  border-bottom:1px solid var(--line);
  transition:box-shadow .22s ease;
}
.site-header.is-scrolled{box-shadow:0 8px 24px rgba(20,60,120,.08)}
.nav-wrap{display:flex;align-items:center;gap:20px;height:72px}
.logo{display:flex;align-items:center;gap:10px;flex-shrink:0}
.logo-mark{
  width:32px;height:32px;border-radius:9px;
  background:linear-gradient(135deg,var(--brand),var(--accent));
  color:#fff;font-size:15px;font-weight:700;
  display:grid;place-items:center;flex-shrink:0;
}
.logo-text{font-size:16px;font-weight:700;white-space:nowrap;letter-spacing:-.01em;color:var(--ink)}
.nav-links{display:none;align-items:center;gap:26px;margin-left:6px}
@media(min-width:1024px){.nav-links{display:flex}}
.nav-links a{
  position:relative;font-size:14px;font-weight:500;color:var(--muted);
  padding:6px 0;transition:color .2s ease;white-space:nowrap;
}
.nav-links a:hover{color:var(--brand)}
.nav-links a.active{color:var(--brand);font-weight:600}
.nav-links a.active::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;
  border-radius:2px;background:var(--brand);
}
.nav-right{margin-left:auto;display:flex;align-items:center;gap:12px}
.command-search{position:relative;display:none}
@media(min-width:1024px){.command-search{display:block}}
.command-search form{position:relative;display:block}
.command-search input{
  width:250px;height:40px;border-radius:12px;background:#F4F7FB;
  border:1px solid transparent;padding:0 54px 0 38px;
  font-size:13px;color:var(--ink);outline:none;
  transition:background .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.command-search input::placeholder{color:#93A2B6}
.command-search input:focus{
  background:#fff;border-color:var(--brand);
  box-shadow:0 0 0 3px rgba(31,95,191,.12);
}
.command-search .search-icon{
  position:absolute;left:12px;top:50%;transform:translateY(-50%);
  width:16px;height:16px;color:var(--muted);pointer-events:none;
}
.command-search kbd{
  position:absolute;right:10px;top:50%;transform:translateY(-50%);
  font-family:inherit;font-size:11px;color:var(--muted);
  background:#fff;border:1px solid var(--line);border-radius:6px;
  padding:1px 5px;line-height:1.5;pointer-events:none;
}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border-radius:var(--radius-sm);
  font-size:15px;font-weight:600;border:1px solid transparent;
  cursor:pointer;white-space:nowrap;
  transition:background .2s ease,color .2s ease,border-color .2s ease,transform .15s ease,box-shadow .2s ease;
}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 6px 18px rgba(31,95,191,.22)}
.btn-primary:hover{background:var(--brand-strong);transform:translateY(-1px);box-shadow:0 10px 24px rgba(31,95,191,.28)}
.btn-primary:active{transform:translateY(0);box-shadow:0 4px 12px rgba(31,95,191,.2)}
.btn-outline{background:#fff;color:var(--brand);border-color:var(--line)}
.btn-outline:hover{background:var(--brand-soft);border-color:var(--brand)}
.btn-outline:active{background:#DDE9FB}
.btn-sm{height:40px;padding:0 18px;font-size:14px;border-radius:10px}
.btn-block{width:100%}
.btn[disabled]{opacity:.5;cursor:not-allowed;transform:none;box-shadow:none}
body a:focus-visible,body button:focus-visible,body input:focus-visible,
body select:focus-visible,body textarea:focus-visible{
  outline:2px solid var(--accent);outline-offset:2px;border-radius:8px;
}
.nav-toggle{
  display:inline-flex;align-items:center;justify-content:center;
  width:40px;height:40px;border-radius:10px;border:1px solid var(--line);
  background:#fff;color:var(--ink);cursor:pointer;
}
.nav-toggle:hover{background:var(--surface-2)}
@media(min-width:1024px){.nav-toggle{display:none}}

/* mobile drawer */
.mobile-drawer{position:fixed;inset:0;z-index:80;display:none}
.mobile-drawer.open{display:block}
.mobile-drawer::before{content:"";position:absolute;inset:0;background:rgba(14,27,44,.4)}
.drawer-panel{
  position:absolute;top:0;right:0;bottom:0;width:320px;max-width:86vw;
  background:#fff;padding:24px 20px 32px;display:flex;flex-direction:column;gap:16px;
  overflow-y:auto;box-shadow:-12px 0 40px rgba(20,60,120,.16);
}
.drawer-head{display:flex;align-items:center;justify-content:space-between;gap:12px}
.drawer-close{
  width:40px;height:40px;border-radius:10px;border:1px solid var(--line);
  background:#fff;color:var(--ink);display:grid;place-items:center;cursor:pointer;
}
.drawer-close:hover{background:var(--surface-2)}
.drawer-panel nav{display:grid;gap:4px}
.drawer-panel nav a{
  display:flex;align-items:center;height:44px;padding:0 12px;
  border-radius:10px;font-size:15px;color:var(--ink);transition:background .2s ease,color .2s ease;
}
.drawer-panel nav a:hover{background:var(--surface-2)}
.drawer-panel nav a.active{color:var(--brand);background:var(--brand-soft);font-weight:600}
.drawer-search input{
  width:100%;height:44px;border-radius:12px;border:1px solid var(--line);
  background:var(--surface-2);padding:0 14px;font-size:14px;outline:none;
}
.drawer-privacy{font-size:12px;color:var(--muted);text-align:center;margin-top:auto}
.drawer-privacy a{color:var(--brand);text-decoration:underline}

/* ---------- hero ---------- */
.hero{
  position:relative;overflow:hidden;
  background:linear-gradient(180deg,#F7FAFF 0%,#FFFFFF 88%);
  padding:52px 0 64px;
}
.hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(31,95,191,.055) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(31,95,191,.055) 1px,transparent 1px);
  background-size:44px 44px;
  -webkit-mask-image:radial-gradient(120% 80% at 20% 0%,rgba(0,0,0,.9),transparent 72%);
  mask-image:radial-gradient(120% 80% at 20% 0%,rgba(0,0,0,.9),transparent 72%);
}
.hero-grid{position:relative;display:grid;grid-template-columns:1fr;gap:36px;align-items:center}
@media(min-width:900px){.hero-grid{grid-template-columns:1.12fr .88fr;gap:48px}}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:600;color:var(--brand);
  background:var(--brand-soft);padding:6px 12px;border-radius:999px;line-height:1.5;
}
.hero h1{
  font-size:clamp(31px,4.5vw,50px);
  line-height:1.14;font-weight:700;letter-spacing:-.02em;
  margin:20px 0 0;max-width:640px;
}
.hero-sub{
  font-size:16px;line-height:1.85;color:var(--muted);
  margin:18px 0 0;max-width:560px;
}
@media(min-width:768px){.hero-sub{font-size:17px}}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}
@media(max-width:520px){.hero-cta .btn{width:100%}}
.trust-bar{
  display:flex;flex-wrap:wrap;gap:10px 22px;margin-top:26px;
  font-size:13px;color:var(--muted);
}
.trust-bar li{position:relative;padding-left:14px}
.trust-bar li::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:6px;height:6px;border-radius:50%;background:var(--accent);
}
.hero-visual{position:relative}
.hero-visual img{
  width:100%;aspect-ratio:4/3;object-fit:cover;
  border-radius:var(--radius-lg);border:1px solid var(--line);
  box-shadow:var(--shadow-lg);
}
@media(max-width:767px){.hero-visual img{aspect-ratio:16/10;border-radius:18px}}
.hero-float{
  position:absolute;left:-6px;bottom:-18px;
  display:flex;align-items:center;gap:14px;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-md);
  box-shadow:var(--shadow);padding:13px 18px;
}
@media(max-width:520px){.hero-float{left:12px;bottom:-14px;padding:11px 14px}}
.hero-float-num{
  font-size:26px;font-weight:700;color:var(--brand);
  font-variant-numeric:tabular-nums;line-height:1;
}
.hero-float-title{font-size:14px;font-weight:600;line-height:1.4}
.hero-float-desc{font-size:12px;color:var(--muted);line-height:1.5;margin-top:2px}

/* ---------- sections ---------- */
.section{padding:60px 0}
@media(min-width:768px){.section{padding:84px 0}}
@media(min-width:1024px){.section{padding:100px 0}}
.section-soft{background:var(--surface-2)}
.section-head{max-width:720px;margin-bottom:36px}
.section-head h2{
  font-size:clamp(25px,3vw,34px);line-height:1.26;font-weight:700;
  letter-spacing:-.015em;margin:0;
}
.section-head p{margin:14px 0 0;color:var(--muted);font-size:15px;line-height:1.8}
.section-head .eyebrow{margin-bottom:14px}
.section-head--center{margin-left:auto;margin-right:auto;text-align:center}

/* ---------- pain cards ---------- */
.pain-grid{display:grid;grid-template-columns:1fr;gap:16px}
@media(min-width:640px){.pain-grid{grid-template-columns:1fr 1fr}}
@media(min-width:1024px){.pain-grid{gap:20px}}
.pain-card{
  background:var(--surface-2);border-left:3px solid var(--brand);
  border-radius:14px;padding:22px;
  transition:background .22s ease,box-shadow .22s ease,transform .22s ease;
}
.pain-card:hover{background:#fff;box-shadow:var(--shadow);transform:translateY(-2px)}
.pain-num{
  display:inline-grid;place-items:center;width:32px;height:32px;
  border-radius:9px;background:var(--brand-soft);color:var(--brand);
  font-size:13px;font-weight:700;font-variant-numeric:tabular-nums;
}
.pain-card h3{font-size:16px;font-weight:600;line-height:1.5;margin:14px 0 6px}
.pain-card p{font-size:14px;color:var(--muted);line-height:1.72;margin:0}

/* ---------- plans ---------- */
.plans-layout{display:grid;grid-template-columns:1fr;gap:26px}
@media(min-width:1024px){.plans-layout{grid-template-columns:230px 1fr;gap:40px;align-items:start}}
.plans-index{
  background:var(--surface-2);border-radius:var(--radius);padding:24px;
  border:1px solid var(--line);
}
@media(min-width:1024px){.plans-index{position:sticky;top:96px}}
.plans-index h3{
  font-size:12px;font-weight:600;color:var(--muted);
  letter-spacing:.06em;margin:0 0 16px;line-height:1.5;
}
.plans-index ol{display:grid;gap:14px}
.plans-index li{display:flex;gap:12px;align-items:flex-start;font-size:14px;line-height:1.6}
.plans-index li span{
  color:var(--brand);font-weight:700;font-size:13px;
  font-variant-numeric:tabular-nums;flex-shrink:0;padding-top:1px;
}
.plans-grid{display:grid;grid-template-columns:1fr;gap:18px}
@media(min-width:768px){.plans-grid{grid-template-columns:1fr 1fr;gap:20px}}
.plan-card{
  display:flex;flex-direction:column;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:24px;box-shadow:var(--shadow-sm);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.plan-card:hover{
  transform:translateY(-2px);box-shadow:var(--shadow-lg);
  border-color:rgba(31,95,191,.35);
}
@media(min-width:768px){
  .plan-card--wide{grid-column:span 2;padding:26px}
}
.plan-wide-inner{display:grid;gap:22px}
@media(min-width:768px){.plan-wide-inner{grid-template-columns:1fr 1fr;align-items:center;gap:28px}}
.plan-wide-inner img{
  width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:var(--radius-md);
}
.tag{
  display:inline-flex;align-items:center;
  font-size:12px;font-weight:600;line-height:1.5;
  padding:4px 10px;border-radius:999px;
  background:var(--brand-soft);color:var(--brand);
}
.tag-accent{background:var(--accent-soft);color:#0F7C71}
.plan-card h3{font-size:19px;font-weight:600;line-height:1.45;margin:14px 0 8px}
.plan-card .plan-desc{font-size:14px;color:var(--muted);line-height:1.72;margin:0}
.points{display:grid;gap:8px;margin-top:16px}
.points li{position:relative;padding-left:20px;font-size:14px;color:var(--muted);line-height:1.7}
.points li::before{
  content:"";position:absolute;left:3px;top:9px;width:6px;height:6px;
  border-radius:2px;background:var(--accent);
}
.text-link{
  display:inline-flex;align-items:center;gap:6px;
  margin-top:auto;padding-top:20px;font-size:14px;font-weight:600;color:var(--brand);
}
.text-link svg{transition:transform .2s ease}
.text-link:hover svg{transform:translateX(3px)}
.plan-aside{
  display:flex;flex-direction:column;justify-content:center;gap:14px;
  background:linear-gradient(160deg,#F2F7FF,#FFFFFF);
  border:1px solid var(--line);border-radius:var(--radius);padding:24px;
}
.plan-aside h3{font-size:17px;font-weight:600;line-height:1.5;margin:0}
.plan-aside p{font-size:14px;color:var(--muted);line-height:1.72;margin:0}

/* ---------- stats ---------- */
.stats-grid{
  display:grid;grid-template-columns:repeat(2,1fr);
  gap:1px;background:var(--line);
  border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;
}
@media(min-width:900px){.stats-grid{grid-template-columns:repeat(4,1fr)}}
.stat{background:#fff;padding:30px 16px;text-align:center}
.stat-num{
  font-size:clamp(32px,3.6vw,42px);font-weight:700;line-height:1;
  color:var(--brand);font-variant-numeric:tabular-nums;
}
.stat-label{font-size:13px;color:var(--muted);margin-top:10px;line-height:1.6}
.stat-note{
  margin-top:20px;font-size:13px;color:var(--muted);text-align:center;line-height:1.7;
}

/* ---------- cms ---------- */
.cms-grid{display:grid;grid-template-columns:1fr;gap:18px}
@media(min-width:768px){.cms-grid{grid-template-columns:repeat(2,1fr);gap:20px}}
@media(min-width:1024px){.cms-grid{grid-template-columns:repeat(3,1fr)}}
.cms-card{
  display:flex;flex-direction:column;overflow:hidden;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--shadow-sm);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.cms-card:hover{
  transform:translateY(-2px);box-shadow:var(--shadow-lg);
  border-color:rgba(31,95,191,.3);
}
.cms-thumb-link{display:block}
.cms-thumb{width:100%;aspect-ratio:16/9;object-fit:cover}
.cms-body{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1;gap:10px}
.cms-title{
  font-size:17px;font-weight:600;line-height:1.5;margin:0;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.cms-title a:hover{color:var(--brand)}
.cms-summary{
  font-size:14px;color:var(--muted);line-height:1.72;margin:0;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.cms-meta{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  margin-top:auto;padding-top:14px;border-top:1px solid var(--line);
  font-size:12px;color:var(--muted);
}
.cms-more{display:inline-flex;align-items:center;gap:5px;color:var(--brand);font-weight:600}
.cms-more svg{transition:transform .2s ease}
.cms-more:hover svg{transform:translateX(3px)}
.cms-empty{
  border:1px dashed #C9D5E4;background:#F7F9FC;
  border-radius:20px;padding:40px 24px;text-align:center;
}
.cms-empty svg{width:48px;height:48px;color:#A9BACD;margin:0 auto 16px}
.cms-empty p{font-size:16px;font-weight:600;margin:0;line-height:1.6}
.cms-empty span{display:block;font-size:14px;color:var(--muted);margin-top:8px;line-height:1.7}
.cms-empty .btn{margin-top:20px}

/* ---------- faq ---------- */
.faq-list{max-width:880px;margin:0 auto;border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{
  width:100%;display:flex;align-items:center;gap:14px;
  background:none;border:0;padding:20px 0;text-align:left;cursor:pointer;
  font-size:16px;font-weight:600;line-height:1.55;color:var(--ink);
  transition:color .2s ease;
}
.faq-q:hover{color:var(--brand)}
.faq-num{font-size:12px;color:var(--muted);font-variant-numeric:tabular-nums;flex-shrink:0;padding-top:2px}
.faq-icon{
  margin-left:auto;flex-shrink:0;width:20px;height:20px;color:var(--brand);
  transition:transform .2s ease;
}
.faq-item.open .faq-icon{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .22s ease}
.faq-a-inner{
  padding:0 0 20px 32px;font-size:15px;line-height:1.85;color:var(--muted);
  max-width:720px;
}
@media(max-width:520px){.faq-a-inner{padding-left:0}}

/* ---------- cta ---------- */
.cta-band{
  display:grid;gap:28px;
  background:var(--ink);color:#fff;
  border-radius:var(--radius-lg);padding:36px 24px;
  position:relative;overflow:hidden;
}
@media(min-width:900px){.cta-band{grid-template-columns:1.05fr .95fr;padding:52px 44px;align-items:center;gap:40px}}
.cta-band::after{
  content:"";position:absolute;right:-80px;top:-80px;width:280px;height:280px;
  border-radius:50%;background:radial-gradient(circle,rgba(24,169,153,.22),transparent 68%);
  pointer-events:none;
}
.cta-band h2{
  font-size:clamp(24px,2.8vw,32px);line-height:1.3;font-weight:700;
  margin:0;letter-spacing:-.015em;color:#fff;
}
.cta-band p{color:#C9D5E4;font-size:15px;line-height:1.8;margin:14px 0 0;max-width:520px}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
@media(max-width:520px){.cta-actions .btn{width:100%}}
.btn-light{background:#fff;color:var(--brand);box-shadow:0 8px 20px rgba(0,0,0,.18)}
.btn-light:hover{background:#EAF2FF;transform:translateY(-1px)}
.btn-ghost-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.32)}
.btn-ghost-light:hover{background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.6)}
.cta-card{
  position:relative;z-index:1;
  background:#fff;color:var(--ink);border-radius:var(--radius);
  padding:24px;box-shadow:0 18px 48px rgba(0,0,0,.22);
}
.cta-card h3{font-size:16px;font-weight:600;margin:0 0 14px;line-height:1.5}
.cta-card ul{display:grid;gap:10px}
.cta-card li{position:relative;padding-left:22px;font-size:14px;color:var(--muted);line-height:1.7}
.cta-card li::before{
  content:"";position:absolute;left:2px;top:8px;width:7px;height:7px;
  border-radius:50%;background:var(--accent);
}
.privacy-note{
  display:flex;gap:12px;align-items:flex-start;
  margin-top:24px;padding:16px 18px;
  background:var(--surface-2);border:1px solid var(--line);border-radius:14px;
}
.privacy-note svg{flex-shrink:0;width:18px;height:18px;color:var(--brand);margin-top:3px}
.privacy-note p{font-size:13px;line-height:1.8;color:var(--muted);margin:0}
.privacy-note strong{color:var(--ink)}
.privacy-note a{color:var(--brand);text-decoration:underline;text-underline-offset:3px}

/* ---------- footer ---------- */
.site-footer{background:var(--ink);color:#C9D5E4;padding:56px 0 26px;margin-top:72px}
.footer-grid{display:grid;grid-template-columns:1fr;gap:32px}
@media(min-width:768px){.footer-grid{grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:28px}}
.footer-brand p{font-size:14px;line-height:1.8;color:#9FB2CB;margin:16px 0 0;max-width:320px}
.footer-logo .logo-text{color:#fff}
.footer-col h4{
  font-size:13px;font-weight:600;color:#fff;margin:0 0 14px;
  letter-spacing:.04em;line-height:1.5;
}
.footer-col ul{display:grid;gap:10px}
.footer-col a{font-size:14px;color:#9FB2CB;transition:color .2s ease;line-height:1.6}
.footer-col a:hover{color:var(--accent)}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:12px 24px;align-items:center;justify-content:space-between;
  margin-top:40px;padding-top:22px;border-top:1px solid rgba(255,255,255,.12);
  font-size:12.5px;color:#8A9DB6;
}
.footer-bottom-links{display:flex;flex-wrap:wrap;gap:16px}
.footer-bottom-links a{color:#9FB2CB}
.footer-bottom-links a:hover{color:var(--accent)}

/* ---------- dialog ---------- */
.consult-dialog{
  border:0;padding:0;background:transparent;max-width:520px;width:calc(100% - 32px);
  color:var(--ink);
}
.consult-dialog::backdrop{background:rgba(14,27,44,.45)}
.dialog-panel{
  position:relative;background:#fff;border-radius:var(--radius);
  padding:26px;box-shadow:var(--shadow-lg);
  max-height:90vh;overflow-y:auto;
}
.dialog-close{
  position:absolute;top:14px;right:14px;
  width:40px;height:40px;border-radius:10px;border:1px solid var(--line);
  background:#fff;color:var(--muted);display:grid;place-items:center;cursor:pointer;
  transition:background .2s ease,color .2s ease;
}
.dialog-close:hover{background:var(--surface-2);color:var(--ink)}
.dialog-panel h3{font-size:20px;font-weight:700;margin:0 40px 8px 0;line-height:1.4}
.dialog-panel .dialog-desc{font-size:14px;color:var(--muted);line-height:1.7;margin:0 0 20px}
.field{margin-bottom:16px}
.field label{display:block;font-size:14px;font-weight:600;margin-bottom:8px;line-height:1.5}
.field input,.field select,.field textarea{
  width:100%;height:44px;border:1px solid var(--line);border-radius:var(--radius-sm);
  padding:0 14px;font-size:14px;font-family:inherit;color:var(--ink);
  background:#fff;outline:none;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.field textarea{height:auto;min-height:88px;padding:12px 14px;line-height:1.65;resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{
  border-color:var(--brand);box-shadow:0 0 0 3px rgba(31,95,191,.12);
}
.field input::placeholder,.field textarea::placeholder{color:#9AA9BC}
.agree-row{display:flex;align-items:flex-start;gap:10px;margin:18px 0 20px}
.agree-row input{
  width:16px;height:16px;margin-top:5px;flex-shrink:0;
  accent-color:var(--brand);cursor:pointer;
}
.agree-row label{font-size:13px;line-height:1.75;color:var(--muted);cursor:pointer}
.agree-row a{color:var(--brand);text-decoration:underline;text-underline-offset:3px}
.form-hint{font-size:12px;color:var(--muted);line-height:1.7;margin:12px 0 0;text-align:center}
@media(max-width:640px){
  .consult-dialog{inset:auto 0 0 0;margin:0;max-width:100%;width:100%}
  .dialog-panel{border-radius:20px 20px 0 0;padding:24px 20px 28px}
}

@media(prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important;scroll-behavior:auto!important}
}

/* roulang page: article */
:root{
  --brand:#1F5FBF;
  --brand-strong:#174A99;
  --brand-soft:#EAF2FF;
  --accent:#18A999;
  --accent-soft:#E6F7F4;
  --warm:#F2A33A;
  --ink:#0E1B2C;
  --muted:#5B6B80;
  --line:#DCE5F2;
  --surface:#FFFFFF;
  --surface-2:#F6F8FB;
  --surface-3:#EEF3FA;
  --success:#1E9E6A;
  --danger:#C44545;
  --radius-sm:12px;
  --radius:20px;
  --radius-lg:24px;
  --shadow-card:0 12px 32px rgba(20,60,120,.08);
  --shadow-hover:0 18px 48px rgba(20,60,120,.12);
  --font-cn:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.85;
  color:var(--ink);
  background:var(--surface);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;transition:color .18s ease,background-color .18s ease,border-color .18s ease,box-shadow .18s ease,transform .18s ease;}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit;}
button{cursor:pointer;border:0;background:none;}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:6px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding-left:20px;padding-right:20px;}
@media (min-width:768px){.container{padding-left:24px;padding-right:24px;}}
@media (min-width:1280px){.container{padding-left:32px;padding-right:32px;}}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:#fff;
  border-bottom:1px solid var(--line);
  transition:box-shadow .2s ease;
}
.site-header.is-scrolled{box-shadow:0 8px 24px rgba(20,60,120,.08);}
.header-inner{display:flex;align-items:center;gap:24px;height:72px;}
.logo{display:inline-flex;align-items:center;gap:10px;flex-shrink:0;}
.logo-mark{
  width:34px;height:34px;border-radius:10px;
  display:inline-flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,var(--brand) 0%,#2F7BE0 100%);
  color:#fff;font-size:17px;font-weight:700;letter-spacing:0;
  box-shadow:0 6px 16px rgba(31,95,191,.28);
}
.logo-text{font-size:16px;font-weight:700;color:var(--ink);white-space:nowrap;letter-spacing:-0.01em;}
.nav-links{display:none;align-items:center;gap:26px;margin-left:8px;}
.nav-links a{
  position:relative;font-size:14px;font-weight:500;color:#33465c;
  padding:6px 0;
}
.nav-links a::after{
  content:"";position:absolute;left:0;right:0;bottom:-4px;height:2px;
  background:var(--brand);border-radius:2px;transform:scaleX(0);transform-origin:left;
  transition:transform .2s ease;
}
.nav-links a:hover{color:var(--brand);}
.nav-links a:hover::after{transform:scaleX(1);}
.nav-links a.active{color:var(--brand);font-weight:600;}
.nav-links a.active::after{transform:scaleX(1);}
.header-tools{display:flex;align-items:center;gap:12px;margin-left:auto;}
.command-search{
  display:none;align-items:center;gap:8px;
  width:260px;height:40px;padding:0 12px;
  background:#F4F7FB;border:1px solid transparent;border-radius:var(--radius-sm);
  transition:background .18s ease,border-color .18s ease,box-shadow .18s ease;
}
.command-search svg{flex-shrink:0;color:#8B9AAE;}
.command-search input{
  flex:1;min-width:0;border:0;background:transparent;outline:none;
  font-size:13px;color:var(--ink);
}
.command-search input::placeholder{color:#93A2B5;}
.command-search kbd{
  font-family:inherit;font-size:11px;color:#8B9AAE;
  border:1px solid var(--line);border-radius:6px;padding:1px 5px;background:#fff;
}
.command-search:focus-within{background:#fff;border-color:var(--brand);box-shadow:0 0 0 3px rgba(31,95,191,.12);}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border-radius:var(--radius-sm);
  font-size:15px;font-weight:600;line-height:1;white-space:nowrap;
  transition:background-color .18s ease,color .18s ease,border-color .18s ease,transform .18s ease,box-shadow .18s ease;
}
.btn-sm{height:40px;padding:0 16px;font-size:14px;border-radius:10px;}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 8px 20px rgba(31,95,191,.22);}
.btn-primary:hover{background:var(--brand-strong);transform:translateY(-1px);box-shadow:0 12px 26px rgba(31,95,191,.26);}
.btn-primary:active{transform:translateY(0);box-shadow:0 6px 14px rgba(31,95,191,.2);}
.btn-ghost{background:#fff;color:var(--brand);border:1px solid var(--line);}
.btn-ghost:hover{background:var(--brand-soft);border-color:rgba(31,95,191,.35);}
.btn-quiet{background:var(--surface-3);color:#2A3B50;}
.btn-quiet:hover{background:#E3EBF6;}
.nav-toggle{
  display:inline-flex;align-items:center;justify-content:center;
  width:40px;height:40px;border-radius:10px;border:1px solid var(--line);background:#fff;
  color:#33465c;
}
.nav-toggle:hover{background:var(--surface-2);}
.mobile-drawer{
  position:fixed;top:0;right:0;bottom:0;width:320px;max-width:88vw;
  background:#fff;box-shadow:-12px 0 40px rgba(14,27,44,.16);
  padding:20px;z-index:80;transform:translateX(105%);
  transition:transform .25s ease;overflow-y:auto;
}
.mobile-drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px;}
.drawer-close{
  width:40px;height:40px;border-radius:10px;border:1px solid var(--line);
  display:inline-flex;align-items:center;justify-content:center;color:#33465c;background:#fff;
}
.drawer-close:hover{background:var(--surface-2);}
.drawer-search{
  display:flex;align-items:center;gap:8px;height:44px;padding:0 12px;
  background:#F4F7FB;border-radius:var(--radius-sm);border:1px solid var(--line);margin-bottom:18px;
}
.drawer-search input{flex:1;border:0;background:transparent;outline:none;font-size:14px;}
.drawer-nav{display:flex;flex-direction:column;margin-bottom:18px;}
.drawer-nav a{
  display:flex;align-items:center;height:44px;font-size:15px;font-weight:500;
  color:#2A3B50;border-bottom:1px solid var(--line);
}
.drawer-nav a:hover{color:var(--brand);}
.drawer-cta{width:100%;}
.drawer-note{font-size:13px;color:var(--muted);margin-top:16px;}
.drawer-note a{color:var(--brand);text-decoration:underline;text-underline-offset:3px;}
.drawer-mask{
  position:fixed;inset:0;background:rgba(14,27,44,.4);z-index:70;
  opacity:0;visibility:hidden;transition:opacity .25s ease,visibility .25s ease;
}
.drawer-mask.is-open{opacity:1;visibility:visible;}
@media (min-width:1024px){
  .nav-links{display:flex;}
  .command-search{display:flex;}
  .nav-toggle{display:none;}
  .mobile-drawer,.drawer-mask{display:none;}
}
@media (min-width:768px) and (max-width:1023px){
  .command-search{display:flex;width:200px;}
}
@media (max-width:767px){
  .header-inner{height:64px;gap:12px;}
  .logo-text{font-size:15px;}
  .header-tools .btn-sm{display:none;}
}

/* ---------- 页面主结构 ---------- */
.page-main{padding:28px 0 72px;}
.breadcrumb{
  display:flex;align-items:center;flex-wrap:wrap;gap:8px;
  font-size:14px;color:var(--muted);margin-bottom:22px;
}
.breadcrumb a{color:var(--brand);}
.breadcrumb a:hover{text-decoration:underline;text-underline-offset:3px;}
.breadcrumb .sep{color:#B7C4D4;}
.breadcrumb .crumb-current{color:#4A5C72;}
.article-layout{
  display:grid;grid-template-columns:1fr;gap:40px;
}
@media (min-width:1024px){
  .article-layout{grid-template-columns:minmax(0,1fr) 260px;gap:48px;}
}
.article-main{min-width:0;}
.article-head{
  border-bottom:1px solid var(--line);
  padding-bottom:26px;margin-bottom:32px;
}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:999px;
  font-size:12px;font-weight:600;line-height:1.4;
  background:var(--brand-soft);color:var(--brand-strong);
}
.badge-accent{background:var(--accent-soft);color:#0F7F73;}
.article-title{
  font-size:clamp(28px,4vw,40px);
  line-height:1.25;
  font-weight:700;
  letter-spacing:-0.02em;
  color:var(--ink);
  margin:16px 0 14px;
  word-break:break-word;
}
.article-lead{
  font-size:17px;line-height:1.75;color:#4A5C72;margin:0 0 18px;
  max-width:760px;
}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px 18px;
  font-size:13px;color:var(--muted);
}
.article-meta .dot{width:3px;height:3px;border-radius:50%;background:#C2CEDD;display:inline-block;}
.article-meta strong{font-weight:600;color:#3B4C61;}
.toc-mobile{margin:0 0 24px;border:1px solid var(--line);border-radius:var(--radius);background:var(--surface-2);}
.toc-mobile summary{
  cursor:pointer;list-style:none;padding:14px 18px;font-size:14px;font-weight:600;color:#2A3B50;
  display:flex;align-items:center;justify-content:space-between;
}
.toc-mobile summary::-webkit-details-marker{display:none;}
.toc-mobile summary:hover{color:var(--brand);}
.toc-mobile .toc-body{padding:0 18px 16px;}
@media (min-width:1024px){.toc-mobile{display:none;}}

/* ---------- 正文排版 ---------- */
.article-body{
  max-width:760px;
  font-size:16px;line-height:1.9;color:#22303F;
  word-break:break-word;
}
.article-body p{margin:0 0 20px;}
.article-body h2{
  font-size:24px;font-weight:600;line-height:1.45;color:var(--ink);
  margin:40px 0 16px;scroll-margin-top:96px;
}
.article-body h3{
  font-size:20px;font-weight:600;line-height:1.5;color:var(--ink);
  margin:32px 0 12px;scroll-margin-top:96px;
}
.article-body h4{font-size:17px;font-weight:600;margin:24px 0 10px;color:var(--ink);}
.article-body ul,.article-body ol{margin:0 0 20px;padding-left:22px;line-height:1.85;}
.article-body li{margin-bottom:8px;}
.article-body li::marker{color:var(--brand);}
.article-body blockquote{
  margin:24px 0;padding:16px 20px;
  border-left:3px solid var(--brand);background:var(--brand-soft);
  border-radius:0 12px 12px 0;color:#31445C;font-size:15.5px;
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body a{color:var(--brand);text-decoration:underline;text-underline-offset:3px;}
.article-body a:hover{color:var(--brand-strong);text-decoration-thickness:2px;}
.article-body img{border-radius:16px;margin:24px 0;width:100%;height:auto;}
.article-body figure{margin:24px 0;}
.article-body figcaption{font-size:13px;color:var(--muted);text-align:center;margin-top:8px;}
.article-body table{
  width:100%;border-collapse:collapse;margin:24px 0;font-size:14px;
  display:block;overflow-x:auto;white-space:nowrap;
}
.article-body th,.article-body td{border:1px solid var(--line);padding:10px 14px;text-align:left;}
.article-body th{background:var(--surface-3);font-weight:600;color:var(--ink);}
.article-body tbody tr:nth-child(even){background:var(--surface-2);}
.article-body hr{border:0;border-top:1px solid var(--line);margin:32px 0;}
.article-body code{
  background:var(--surface-3);border-radius:6px;padding:2px 6px;font-size:14px;color:#25406A;
}

/* ---------- 侧栏目录 ---------- */
.article-side{display:none;}
@media (min-width:1024px){.article-side{display:block;}}
.toc{position:sticky;top:96px;}
.toc-title{
  font-size:13px;font-weight:600;letter-spacing:.04em;color:#7A8CA3;
  margin:0 0 12px;
}
.toc-inner{border-left:1px solid var(--line);padding-left:18px;}
.toc a{
  display:block;font-size:14px;line-height:1.6;color:var(--muted);
  padding:6px 0;border-left:2px solid transparent;margin-left:-20px;padding-left:18px;
}
.toc a:hover{color:var(--brand);}
.toc a.is-current{color:var(--brand);font-weight:600;border-left-color:var(--brand);}
.toc a.level-3{font-size:13px;padding-left:30px;}
.toc-back{margin-top:22px;font-size:13px;color:var(--muted);}
.toc-back a{color:var(--brand);text-decoration:underline;text-underline-offset:3px;}

/* ---------- 空态 ---------- */
.empty-state{
  border:1px dashed #C9D5E4;background:#F7F9FC;border-radius:var(--radius);
  padding:48px 32px;text-align:center;
}
.empty-state svg{margin:0 auto 16px;color:#9FB2C8;}
.empty-state h3{font-size:17px;font-weight:600;margin:0 0 8px;color:var(--ink);}
.empty-state p{font-size:14px;color:var(--muted);margin:0 0 20px;}

/* ---------- 相关推荐 ---------- */
.related{margin-top:56px;padding-top:36px;border-top:1px solid var(--line);}
.section-head{margin-bottom:24px;}
.section-kicker{
  font-size:12px;font-weight:600;letter-spacing:.08em;color:var(--brand);
  text-transform:uppercase;margin:0 0 8px;
}
.section-title{font-size:clamp(22px,2.4vw,28px);font-weight:700;margin:0;color:var(--ink);letter-spacing:-0.01em;}
.related-grid{
  display:grid;grid-template-columns:1fr;gap:20px;
}
@media (min-width:640px){.related-grid{grid-template-columns:repeat(2,minmax(0,1fr));}}
@media (min-width:1024px){.related-grid{grid-template-columns:repeat(3,minmax(0,1fr));}}
.related-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--shadow-card);overflow:hidden;display:flex;flex-direction:column;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.related-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:rgba(31,95,191,.22);}
.related-thumb{aspect-ratio:16/9;width:100%;object-fit:cover;background:var(--surface-3);}
.related-body{padding:18px 20px 20px;display:flex;flex-direction:column;gap:8px;flex:1;}
.related-body h3{font-size:17px;font-weight:600;line-height:1.5;margin:0;color:var(--ink);}
.related-body p{font-size:14px;line-height:1.7;color:var(--muted);margin:0;}
.related-link{
  margin-top:auto;font-size:14px;font-weight:600;color:var(--brand);
  display:inline-flex;align-items:center;gap:6px;
}
.related-card:hover .related-link svg{transform:translateX(3px);}
.related-link svg{transition:transform .18s ease;}
.back-links{display:flex;flex-wrap:wrap;gap:14px;margin-top:24px;font-size:14px;}
.back-links a{
  color:var(--brand);font-weight:600;display:inline-flex;align-items:center;gap:6px;
}
.back-links a:hover{text-decoration:underline;text-underline-offset:3px;}

/* ---------- CTA 区块 ---------- */
.cta-band{
  margin-top:72px;background:linear-gradient(180deg,#F3F8FF 0%,#FFFFFF 100%);
  border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:40px 28px;
}
.cta-inner{display:grid;gap:24px;align-items:center;}
@media (min-width:900px){.cta-inner{grid-template-columns:1.4fr 1fr;}}
.cta-band h2{font-size:clamp(22px,2.6vw,30px);font-weight:700;margin:0 0 12px;color:var(--ink);letter-spacing:-0.01em;}
.cta-band p{font-size:15px;line-height:1.8;color:#4A5C72;margin:0;max-width:560px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;}
@media (max-width:520px){.cta-actions .btn{width:100%;}}
.privacy-note{
  font-size:13px;line-height:1.7;color:var(--muted);
  margin-top:20px;max-width:760px;
}
.privacy-note a{color:var(--brand);text-decoration:underline;text-underline-offset:3px;}

/* ---------- 弹层 ---------- */
dialog.consult-dialog{
  border:0;padding:0;background:transparent;max-width:520px;width:calc(100% - 32px);
}
dialog.consult-dialog::backdrop{background:rgba(14,27,44,.4);}
.dialog-panel{
  background:#fff;border-radius:var(--radius);box-shadow:0 24px 64px rgba(14,27,44,.24);
  padding:26px;position:relative;max-height:90vh;overflow-y:auto;
}
.dialog-close{
  position:absolute;top:14px;right:14px;
  width:40px;height:40px;border-radius:var(--radius-sm);border:1px solid var(--line);
  display:inline-flex;align-items:center;justify-content:center;background:#fff;color:#4A5C72;
}
.dialog-close:hover{background:var(--surface-2);}
.dialog-panel h3{font-size:20px;font-weight:600;margin:0 0 8px;color:var(--ink);padding-right:44px;}
.dialog-desc{font-size:14px;line-height:1.7;color:var(--muted);margin:0 0 20px;}
.field{margin-bottom:16px;}
.field label{display:block;font-size:14px;font-weight:600;color:#2A3B50;margin-bottom:6px;}
.field input,.field select,.field textarea{
  width:100%;border:1px solid var(--line);border-radius:var(--radius-sm);
  padding:0 14px;height:46px;background:#fff;outline:none;
  transition:border-color .18s ease,box-shadow .18s ease;
}
.field textarea{height:auto;padding:12px 14px;min-height:88px;resize:vertical;line-height:1.7;}
.field input:focus,.field select:focus,.field textarea:focus{
  border-color:var(--brand);box-shadow:0 0 0 3px rgba(31,95,191,.14);
}
.check-row{display:flex;align-items:flex-start;gap:10px;margin:4px 0 18px;font-size:13px;line-height:1.7;color:var(--muted);}
.check-row input{width:16px;height:16px;margin-top:3px;accent-color:var(--brand);flex-shrink:0;}
.check-row a{color:var(--brand);text-decoration:underline;text-underline-offset:3px;}
.form-submit{width:100%;}
.btn:disabled{opacity:.5;cursor:not-allowed;transform:none;box-shadow:none;}
.form-tip{font-size:13px;color:var(--success);margin:12px 0 0;display:none;}
.form-tip.is-show{display:block;}
@media (max-width:520px){
  dialog.consult-dialog{
    max-width:none;width:100%;margin:auto 0 0 0;
  }
  .dialog-panel{border-radius:20px 20px 0 0;max-height:90vh;}
}

/* ---------- 页脚 ---------- */
.site-footer{background:#0E1B2C;color:#C9D5E4;padding:56px 0 24px;margin-top:72px;}
.footer-grid{display:grid;grid-template-columns:1fr;gap:32px;}
@media (min-width:640px){.footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));}}
@media (min-width:1024px){.footer-grid{grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;}}
.footer-brand .footer-logo{display:inline-flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand .logo-text{color:#fff;}
.footer-brand p{font-size:14px;line-height:1.85;color:#A9BACC;margin:0;max-width:360px;}
.footer-col h4{font-size:14px;font-weight:600;color:#fff;margin:0 0 14px;letter-spacing:.02em;}
.footer-col ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:10px;}
.footer-col a{font-size:14px;color:#A9BACC;}
.footer-col a:hover{color:#18A999;}
.footer-bottom{
  margin-top:36px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;align-items:center;
  font-size:13px;color:#8FA2B8;
}
.footer-bottom-links{display:flex;gap:18px;}
.footer-bottom-links a{color:#A9BACC;}
.footer-bottom-links a:hover{color:#18A999;}

/* roulang page: category1 */
:root{
  --brand:#1F5FBF;
  --brand-strong:#174A99;
  --brand-soft:#EAF2FF;
  --accent:#18A999;
  --accent-soft:#E6F7F4;
  --warm:#F2A33A;
  --ink:#0E1B2C;
  --muted:#5B6B80;
  --line:#DCE5F2;
  --surface:#FFFFFF;
  --surface-2:#F6F8FB;
  --surface-3:#EEF3FA;
  --success:#1E9E6A;
  --danger:#C44545;
  --radius-lg:20px;
  --radius-xl:24px;
  --radius-md:12px;
  --shadow-card:0 12px 32px rgba(20,60,120,.08);
  --shadow-hover:0 18px 48px rgba(20,60,120,.12);
  --font-cn:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.85;
  color:var(--ink);
  background:var(--surface);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:var(--brand);text-decoration:none;transition:color .18s ease;}
a:hover{color:var(--brand-strong);}
button{font-family:inherit;}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:6px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}

/* ============ Header / Nav ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:#fff;border-bottom:1px solid var(--line);
  transition:box-shadow .22s ease;
}
.site-header.scrolled{box-shadow:0 6px 20px rgba(20,60,120,.07);}
.header-inner{display:flex;align-items:center;gap:22px;height:72px;}
.logo{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.logo-mark{
  width:32px;height:32px;border-radius:9px;
  background:linear-gradient(135deg,var(--brand),#3C86E0);
  color:#fff;display:grid;place-items:center;
  font-size:17px;font-weight:700;line-height:1;
  box-shadow:0 6px 14px rgba(31,95,191,.28);
}
.logo-text{font-size:16px;font-weight:700;color:var(--ink);white-space:nowrap;letter-spacing:0;}
.nav-links{display:flex;align-items:center;gap:26px;margin-left:6px;}
.nav-links a{
  position:relative;font-size:14px;font-weight:500;color:var(--muted);
  padding:6px 0;white-space:nowrap;
}
.nav-links a:hover{color:var(--brand);}
.nav-links a.active{color:var(--brand);font-weight:600;}
.nav-links a.active::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;
  background:var(--brand);border-radius:2px;
}
.header-right{margin-left:auto;display:flex;align-items:center;gap:14px;}
.nav-search{
  display:flex;align-items:center;gap:8px;
  width:264px;height:40px;padding:0 12px;
  background:#F4F7FB;border:1px solid transparent;border-radius:12px;
  transition:background .18s,border-color .18s,box-shadow .18s;
}
.nav-search:focus-within{background:#fff;border-color:var(--brand);box-shadow:0 0 0 3px rgba(31,95,191,.14);}
.nav-search svg{flex-shrink:0;color:var(--muted);}
.nav-search input{
  border:0;background:transparent;outline:none;width:100%;
  font-size:13px;color:var(--ink);font-family:inherit;
}
.nav-search input::placeholder{color:#93A2B5;}
.kbd{
  font-size:11px;line-height:1;color:var(--muted);background:#fff;
  border:1px solid var(--line);border-radius:6px;padding:3px 6px;white-space:nowrap;
}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 24px;border-radius:12px;
  font-size:15px;font-weight:600;cursor:pointer;border:1px solid transparent;
  transition:background .18s,color .18s,border-color .18s,transform .18s,box-shadow .18s;
  white-space:nowrap;
}
.btn-sm{height:40px;padding:0 18px;font-size:14px;border-radius:10px;}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 8px 20px rgba(31,95,191,.22);}
.btn-primary:hover{background:var(--brand-strong);color:#fff;transform:translateY(-1px);}
.btn-primary:active{transform:translateY(0);box-shadow:0 4px 12px rgba(31,95,191,.2);}
.btn-outline{background:#fff;color:var(--brand);border-color:var(--brand);}
.btn-outline:hover{background:var(--brand-soft);color:var(--brand-strong);}
.btn-outline:active{background:#DDEAFF;}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--line);}
.btn-ghost:hover{background:var(--surface-3);color:var(--ink);}
.btn[disabled]{opacity:.5;cursor:not-allowed;transform:none;}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--brand);}
.link-arrow svg{transition:transform .18s ease;}
.link-arrow:hover svg{transform:translateX(2px);}
.menu-toggle{
  display:none;width:40px;height:40px;border-radius:10px;
  align-items:center;justify-content:center;
  background:#F4F7FB;border:1px solid var(--line);color:var(--ink);cursor:pointer;
}
.menu-toggle:hover{background:var(--brand-soft);border-color:#C3D8F7;}
.mobile-drawer{
  display:none;position:fixed;inset:72px 0 0 0;z-index:55;
  background:rgba(14,27,44,.35);
}
.mobile-drawer.open{display:block;}
.mobile-panel{
  width:320px;max-width:88vw;height:100%;background:#fff;
  padding:22px;display:flex;flex-direction:column;gap:14px;
  box-shadow:0 20px 40px rgba(14,27,44,.2);overflow-y:auto;
}
.mobile-panel .nav-links{display:flex;flex-direction:column;align-items:stretch;gap:2px;margin:0;}
.mobile-panel .nav-links a{padding:11px 12px;border-radius:10px;font-size:15px;color:var(--ink);}
.mobile-panel .nav-links a.active{background:var(--brand-soft);color:var(--brand);}
.mobile-panel .nav-links a.active::after{display:none;}
.mobile-panel .nav-search{width:100%;}
.mobile-panel .btn{width:100%;}
.mobile-note{font-size:12px;color:var(--muted);line-height:1.7;margin-top:auto;padding-top:12px;border-top:1px solid var(--line);}

/* ============ Breadcrumb ============ */
.breadcrumb{padding:18px 0 0;}
.breadcrumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:14px;color:var(--muted);}
.breadcrumb a{color:var(--muted);}
.breadcrumb a:hover{color:var(--brand);}
.breadcrumb .sep{color:#AEBBCB;}
.breadcrumb .current{color:var(--ink);font-weight:500;}

/* ============ Category layout ============ */
.cat-layout{
  display:grid;grid-template-columns:260px minmax(0,1fr);gap:44px;
  align-items:start;padding:28px 0 0;
}
.cat-side{position:sticky;top:96px;}
.cat-side-title{
  font-size:12px;font-weight:600;letter-spacing:.04em;color:var(--muted);
  margin-bottom:12px;padding-left:16px;
}
.cat-side ul{display:flex;flex-direction:column;gap:4px;}
.cat-side a{
  display:block;padding:11px 16px;border-left:2px solid transparent;
  border-radius:0 10px 10px 0;font-size:14px;font-weight:500;color:var(--muted);
  transition:background .18s,color .18s,border-color .18s;
}
.cat-side a:hover{background:var(--surface-2);color:var(--brand);}
.cat-side a.active{
  background:var(--brand-soft);color:var(--brand);font-weight:600;
  border-left-color:var(--brand);
}
.side-card{
  margin-top:22px;padding:20px;border:1px solid var(--line);
  border-radius:var(--radius-lg);background:var(--surface-2);
}
.side-card h3{font-size:15px;font-weight:600;margin-bottom:8px;}
.side-card p{font-size:13px;line-height:1.75;color:var(--muted);margin-bottom:14px;}
.side-card .btn{width:100%;height:40px;font-size:14px;border-radius:10px;}

/* ============ Hero ============ */
.cat-hero{
  position:relative;overflow:hidden;border-radius:var(--radius-xl);
  border:1px solid var(--line);
  background:linear-gradient(160deg,#F5F9FF 0%,#FFFFFF 58%,#F1F8F7 100%);
  padding:36px;
  display:grid;grid-template-columns:1.28fr .72fr;gap:32px;align-items:center;
}
.cat-hero::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(31,95,191,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(31,95,191,.05) 1px,transparent 1px);
  background-size:44px 44px;pointer-events:none;
  -webkit-mask-image:radial-gradient(circle at 20% 20%,#000,transparent 72%);
  mask-image:radial-gradient(circle at 20% 20%,#000,transparent 72%);
}
.cat-hero-body{position:relative;z-index:1;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:600;color:var(--brand);
  background:var(--brand-soft);border-radius:999px;padding:5px 12px;
  margin-bottom:16px;
}
.eyebrow .dot{width:6px;height:6px;border-radius:50%;background:var(--accent);}
.cat-hero h1{
  font-size:clamp(28px,3.4vw,40px);line-height:1.24;font-weight:700;
  letter-spacing:-.01em;margin-bottom:14px;
}
.cat-hero h1 .hl{color:var(--brand);}
.cat-hero p.lead{font-size:15.5px;line-height:1.85;color:var(--muted);max-width:600px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px;}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px;}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12.5px;font-weight:500;color:var(--brand-strong);
  background:#fff;border:1px solid var(--line);border-radius:999px;padding:5px 12px;
}
.tag .tick{color:var(--accent);}
.cat-hero-figure{position:relative;z-index:1;}
.cat-hero-figure img{
  width:100%;aspect-ratio:4/3;object-fit:cover;
  border-radius:var(--radius-lg);border:1px solid #E3EBF6;
  box-shadow:var(--shadow-card);
}
.float-card{
  position:absolute;left:-14px;bottom:16px;
  background:#fff;border:1px solid var(--line);border-radius:14px;
  padding:12px 16px;box-shadow:var(--shadow-card);
  display:flex;align-items:center;gap:12px;
}
.float-card .num{
  font-size:22px;font-weight:700;color:var(--brand);
  font-variant-numeric:tabular-nums;line-height:1.1;
}
.float-card .lbl{font-size:12px;color:var(--muted);line-height:1.4;}

/* ============ Sections ============ */
.section{padding:64px 0 0;}
.section-head{max-width:720px;margin-bottom:28px;}
.section-head h2{
  font-size:clamp(23px,2.6vw,30px);line-height:1.3;font-weight:700;letter-spacing:-.01em;
  margin-bottom:10px;
}
.section-head p{font-size:15px;color:var(--muted);line-height:1.8;}

/* problem-solution compare */
.compare-list{display:flex;flex-direction:column;gap:20px;}
.compare-row{display:grid;grid-template-columns:1fr 1fr;gap:20px;align-items:stretch;}
.problem-card{
  background:var(--surface-2);border-left:3px solid var(--brand);
  border-radius:14px;padding:24px 24px 24px 22px;
  transition:background .2s,box-shadow .2s;
}
.problem-card:hover{background:#fff;box-shadow:var(--shadow-card);}
.problem-card .no{
  display:inline-grid;place-items:center;width:32px;height:32px;border-radius:9px;
  background:var(--brand-soft);color:var(--brand);
  font-size:13px;font-weight:700;margin-bottom:14px;
  font-variant-numeric:tabular-nums;
}
.problem-card h3{font-size:17px;font-weight:600;line-height:1.5;margin-bottom:8px;}
.problem-card p{font-size:14px;color:var(--muted);line-height:1.8;}
.solution-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
  box-shadow:var(--shadow-card);padding:24px;
  display:flex;flex-direction:column;gap:14px;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.solution-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:#C3D8F7;}
.solution-card .badge-sol{
  display:inline-flex;align-items:center;gap:6px;align-self:flex-start;
  font-size:12px;font-weight:600;color:var(--accent);
  background:var(--accent-soft);border-radius:999px;padding:4px 11px;
}
.solution-card h3{font-size:16.5px;font-weight:600;line-height:1.5;}
.solution-card p{font-size:14px;color:var(--muted);line-height:1.8;}
.point-list{display:flex;flex-direction:column;gap:9px;}
.point-list li{
  position:relative;padding-left:20px;font-size:14px;line-height:1.75;color:#33445A;
}
.point-list li::before{
  content:"";position:absolute;left:2px;top:.66em;
  width:7px;height:7px;border-radius:2px;background:var(--brand);opacity:.55;
}
.solution-card figure{margin:0;}
.solution-card figure img{
  width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:14px;
}
.solution-card figcaption{font-size:12.5px;color:var(--muted);margin-top:8px;}

/* checklist */
.check-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;}
.check-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:24px;box-shadow:var(--shadow-card);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.check-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:#C3D8F7;}
.check-card .icon-box{
  width:42px;height:42px;border-radius:12px;display:grid;place-items:center;
  background:var(--brand-soft);color:var(--brand);margin-bottom:16px;
}
.check-card h3{font-size:16.5px;font-weight:600;margin-bottom:8px;}
.check-card p{font-size:14px;color:var(--muted);line-height:1.8;}

/* FAQ */
.faq-wrap{max-width:880px;}
.faq-item{border-bottom:1px solid var(--line);}
.faq-q{
  width:100%;display:flex;align-items:center;gap:14px;
  padding:20px 4px;background:transparent;border:0;cursor:pointer;
  text-align:left;font-size:16px;font-weight:600;color:var(--ink);line-height:1.6;
}
.faq-q:hover{color:var(--brand);}
.faq-q .faq-no{
  font-size:12px;font-weight:600;color:var(--muted);
  font-variant-numeric:tabular-nums;min-width:22px;
}
.faq-q .faq-icon{
  margin-left:auto;flex-shrink:0;width:22px;height:22px;position:relative;color:var(--brand);
  transition:transform .2s ease;
}
.faq-q[aria-expanded="true"] .faq-icon{transform:rotate(45deg);}
.faq-a{
  max-height:0;overflow:hidden;
  transition:max-height .24s ease;
}
.faq-a-inner{
  padding:0 4px 22px 36px;font-size:15px;line-height:1.85;color:var(--muted);max-width:720px;
}

/* CTA */
.cta-band{
  position:relative;overflow:hidden;margin-top:64px;
  border-radius:var(--radius-xl);border:1px solid var(--line);
  background:linear-gradient(120deg,#EAF2FF 0%,#F7FBFF 52%,#E9F7F4 100%);
  padding:44px;
  display:grid;grid-template-columns:1.35fr .65fr;gap:32px;align-items:center;
}
.cta-band h2{font-size:clamp(22px,2.5vw,28px);font-weight:700;line-height:1.32;margin-bottom:10px;}
.cta-band p{font-size:15px;color:var(--muted);line-height:1.8;max-width:560px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:22px;}
.cta-note{font-size:13px;color:var(--muted);line-height:1.7;margin-top:14px;}
.cta-note a{color:var(--brand);text-decoration:underline;text-underline-offset:3px;}
.cta-visual{display:grid;gap:12px;}
.cta-stat{
  background:#fff;border:1px solid var(--line);border-radius:16px;
  padding:16px 18px;box-shadow:var(--shadow-card);
}
.cta-stat .v{font-size:20px;font-weight:700;color:var(--brand);font-variant-numeric:tabular-nums;}
.cta-stat .k{font-size:12.5px;color:var(--muted);margin-top:2px;}

/* ============ Footer ============ */
.site-footer{background:#0E1B2C;color:#C9D5E4;margin-top:80px;padding:64px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1fr;gap:40px;padding-bottom:44px;}
.footer-logo{margin-bottom:14px;}
.footer-logo .logo-text{color:#fff;}
.footer-brand p{font-size:14px;line-height:1.85;color:#A9B9CE;max-width:360px;}
.footer-col h4{font-size:14px;font-weight:600;color:#fff;margin-bottom:14px;}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col a{font-size:14px;color:#C9D5E4;transition:color .18s ease;}
.footer-col a:hover{color:var(--accent);}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);
  padding:20px 0 26px;display:flex;flex-wrap:wrap;gap:12px;
  align-items:center;justify-content:space-between;
}
.footer-bottom p{font-size:13px;color:#93A5BC;}
.footer-bottom-links{display:flex;gap:20px;}
.footer-bottom-links a{font-size:13px;color:#93A5BC;}
.footer-bottom-links a:hover{color:var(--accent);}

/* ============ Dialog ============ */
dialog.dialog{
  border:0;padding:0;background:transparent;width:100%;max-width:100%;
  max-height:100%;overflow:visible;
}
dialog.dialog::backdrop{background:rgba(14,27,44,.45);}
.dialog-panel{
  width:520px;max-width:calc(100vw - 32px);
  margin:0 auto;background:#fff;border-radius:var(--radius-lg);
  box-shadow:0 30px 70px rgba(14,27,44,.28);
  padding:26px;position:relative;
  max-height:90vh;overflow-y:auto;
}
.dialog-panel h3{font-size:20px;font-weight:700;margin-bottom:6px;}
.dialog-panel .sub{font-size:14px;color:var(--muted);line-height:1.75;margin-bottom:18px;}
.dialog-close{
  position:absolute;right:14px;top:14px;width:38px;height:38px;
  border-radius:10px;border:1px solid var(--line);background:#fff;color:var(--muted);
  display:grid;place-items:center;cursor:pointer;transition:background .18s,color .18s;
}
.dialog-close:hover{background:var(--surface-3);color:var(--ink);}
.field{margin-bottom:14px;}
.field label{display:block;font-size:14px;font-weight:600;margin-bottom:6px;}
.field input,.field select,.field textarea{
  width:100%;font-family:inherit;font-size:14px;color:var(--ink);
  border:1px solid var(--line);border-radius:12px;background:#fff;
  padding:11px 14px;line-height:1.6;transition:border-color .18s,box-shadow .18s;
}
.field input,.field select{height:44px;padding-top:0;padding-bottom:0;}
.field textarea{resize:vertical;min-height:84px;}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(31,95,191,.14);
}
.consent{display:flex;align-items:flex-start;gap:9px;margin:16px 0 16px;font-size:13px;color:var(--muted);line-height:1.7;}
.consent input{margin-top:3px;width:16px;height:16px;accent-color:var(--brand);flex-shrink:0;}
.consent a{color:var(--brand);text-decoration:underline;text-underline-offset:2px;}
.dialog-panel .btn{width:100%;}
.form-tip{font-size:13px;color:var(--success);margin-top:12px;display:none;}
.form-tip.show{display:block;}

/* ============ Responsive ============ */
@media (max-width:1199px){
  .nav-search{width:220px;}
}
@media (max-width:1023px){
  .nav-links,.header-right .nav-search,.header-right .btn{display:none;}
  .menu-toggle{display:inline-flex;}
  .cat-layout{grid-template-columns:1fr;gap:24px;padding-top:20px;}
  .cat-side{position:static;top:auto;}
  .cat-side-title{display:none;}
  .cat-side ul{flex-direction:row;gap:10px;overflow-x:auto;padding-bottom:6px;}
  .cat-side a{
    border-left:0;border:1px solid var(--line);border-radius:999px;
    padding:8px 16px;white-space:nowrap;background:#fff;
  }
  .cat-side a.active{border-color:var(--brand);background:var(--brand-soft);}
  .side-card{display:none;}
  .cat-hero{grid-template-columns:1fr;padding:28px;}
  .cat-hero-figure{order:-1;}
  .cat-hero-figure img{aspect-ratio:16/10;}
  .float-card{left:auto;right:12px;bottom:12px;}
  .cta-band{grid-template-columns:1fr;padding:32px;}
  .check-grid{grid-template-columns:1fr 1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:767px){
  .container{padding:0 20px;}
  .section{padding-top:48px;}
  .compare-row{grid-template-columns:1fr;}
  .check-grid{grid-template-columns:1fr;}
  .cat-hero{padding:22px;border-radius:18px;}
  .cat-hero h1{font-size:26px;}
  .hero-actions .btn{width:100%;}
  .float-card{padding:10px 12px;}
  .float-card .num{font-size:18px;}
  .faq-q{font-size:15px;gap:10px;padding:18px 2px;}
  .faq-a-inner{padding-left:34px;}
  .cta-band{padding:26px;}
  .cta-actions .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:26px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .site-footer{margin-top:56px;padding-top:48px;}
  .dialog-panel{
    width:100%;max-width:100%;border-radius:20px 20px 0 0;
    margin:auto auto 0;max-height:90vh;padding:22px;
  }
}
@media (max-width:520px){
  .logo-text{font-size:15px;}
  .header-inner{gap:12px;}
  .breadcrumb ol{font-size:13px;}
  .point-list li{font-size:13.5px;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;scroll-behavior:auto !important;}
}

/* roulang page: category2 */
:root{
  --brand:#1F5FBF;
  --brand-strong:#174A99;
  --brand-soft:#EAF2FF;
  --accent:#18A999;
  --accent-soft:#E6F7F4;
  --warm:#F2A33A;
  --ink:#0E1B2C;
  --muted:#5B6B80;
  --line:#DCE5F2;
  --surface:#FFFFFF;
  --surface-2:#F6F8FB;
  --surface-3:#EEF3FA;
  --success:#1E9E6A;
  --danger:#C44545;
  --radius-sm:12px;
  --radius:20px;
  --radius-lg:24px;
  --shadow-sm:0 4px 14px rgba(20,60,120,.06);
  --shadow-card:0 12px 32px rgba(20,60,120,.08);
  --shadow-hover:0 18px 48px rgba(20,60,120,.12);
  --max:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--ink);
  background:var(--surface);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font-family:inherit}
h1,h2,h3,h4,p,ul,ol{margin:0}
ul,ol{padding:0;list-style:none}
.container{width:100%;max-width:var(--max);margin:0 auto;padding:0 24px}
.num{font-variant-numeric:tabular-nums}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:var(--surface);
  border-bottom:1px solid var(--line);
  transition:box-shadow .2s ease;
}
.site-header.scrolled{box-shadow:0 6px 22px rgba(20,60,120,.08)}
.header-inner{
  display:flex;align-items:center;gap:28px;
  height:72px;
}
.logo{display:inline-flex;align-items:center;gap:10px;flex-shrink:0}
.logo-mark{
  width:32px;height:32px;border-radius:9px;
  background:linear-gradient(140deg,var(--brand),var(--brand-strong));
  color:#fff;font-size:16px;font-weight:700;
  display:flex;align-items:center;justify-content:center;
  letter-spacing:0;
}
.logo-text{font-size:16px;font-weight:700;color:var(--ink);white-space:nowrap;letter-spacing:-.01em}
.nav-links{display:flex;align-items:center;gap:26px}
.nav-links a{
  position:relative;font-size:14px;font-weight:500;color:var(--muted);
  padding:6px 0;transition:color .18s ease;
}
.nav-links a::after{
  content:"";position:absolute;left:0;right:0;bottom:-1px;height:2px;
  background:var(--brand);border-radius:2px;
  transform:scaleX(0);transform-origin:left;transition:transform .2s ease;
}
.nav-links a:hover{color:var(--brand-strong)}
.nav-links a:hover::after{transform:scaleX(1)}
.nav-links a.active{color:var(--brand);font-weight:600}
.nav-links a.active::after{transform:scaleX(1)}
.header-tools{display:flex;align-items:center;gap:14px;margin-left:auto}
.command-search{
  display:flex;align-items:center;gap:8px;
  width:262px;height:40px;padding:0 12px;
  background:#F4F7FB;border:1px solid transparent;border-radius:var(--radius-sm);
  transition:background .18s ease,border-color .18s ease,box-shadow .18s ease;
}
.command-search:focus-within{
  background:#fff;border-color:var(--brand);box-shadow:0 0 0 3px rgba(31,95,191,.14);
}
.command-search svg{flex-shrink:0;color:#8A99AD}
.command-search input{
  flex:1;min-width:0;border:0;background:transparent;outline:none;
  font-size:13px;color:var(--ink);
}
.command-search input::placeholder{color:#93A1B4}
.command-search kbd{
  font-size:11px;color:#8A99AD;background:#fff;border:1px solid var(--line);
  border-radius:6px;padding:1px 5px;line-height:1.4;
}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-size:14px;font-weight:600;line-height:1;
  border-radius:var(--radius-sm);border:1px solid transparent;
  padding:0 20px;height:44px;cursor:pointer;
  transition:background .18s ease,color .18s ease,border-color .18s ease,transform .18s ease,box-shadow .18s ease;
}
.btn:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 8px 20px rgba(31,95,191,.22)}
.btn-primary:hover{background:var(--brand-strong);transform:translateY(-1px);box-shadow:0 12px 26px rgba(23,74,153,.26)}
.btn-primary:active{transform:translateY(0);box-shadow:0 6px 14px rgba(23,74,153,.22)}
.btn-outline{background:#fff;color:var(--brand);border-color:#BFD3EF}
.btn-outline:hover{background:var(--brand-soft);border-color:var(--brand)}
.btn-ghost{background:transparent;color:var(--muted)}
.btn-ghost:hover{background:var(--surface-3);color:var(--ink)}
.btn-sm{height:40px;padding:0 16px;font-size:13px;border-radius:10px}
.btn-lg{height:48px;padding:0 24px;font-size:15px;border-radius:var(--radius-sm)}
.btn:disabled{opacity:.5;cursor:not-allowed;transform:none;box-shadow:none}
.menu-toggle{
  display:none;width:40px;height:40px;border-radius:10px;
  border:1px solid var(--line);background:#fff;color:var(--ink);
  align-items:center;justify-content:center;cursor:pointer;
}
.menu-toggle:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.mobile-drawer{
  display:none;border-top:1px solid var(--line);background:#fff;
  padding:16px 24px 24px;
}
.mobile-drawer.open{display:block}
.mobile-drawer .drawer-search{
  display:flex;align-items:center;gap:8px;height:44px;padding:0 12px;
  background:#F4F7FB;border-radius:var(--radius-sm);margin-bottom:14px;
}
.mobile-drawer .drawer-search input{border:0;background:transparent;outline:none;flex:1;font-size:14px;min-width:0}
.mobile-drawer a.drawer-link{
  display:flex;align-items:center;height:44px;font-size:15px;color:var(--muted);
  border-bottom:1px solid var(--surface-3);
}
.mobile-drawer a.drawer-link.active{color:var(--brand);font-weight:600}
.mobile-drawer .btn{width:100%;margin-top:16px}
.mobile-drawer .drawer-note{font-size:12px;color:var(--muted);margin-top:14px}

/* ---------- Hero (宽幅) ---------- */
.hero-band{
  position:relative;overflow:hidden;
  background:linear-gradient(180deg,#F8FBFF 0%,#EDF3FD 100%);
  border-bottom:1px solid var(--line);
  padding:64px 0 72px;
}
.hero-band::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:
    linear-gradient(to right,rgba(31,95,191,.06) 1px,transparent 1px),
    linear-gradient(to bottom,rgba(31,95,191,.06) 1px,transparent 1px);
  background-size:48px 48px;
}
.hero-inner{
  position:relative;z-index:1;
  display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);
  gap:56px;align-items:center;
}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:600;color:var(--brand);
  background:#fff;border:1px solid #C9DDF8;border-radius:999px;
  padding:6px 14px;margin-bottom:20px;
}
.hero-badge::before{
  content:"";width:6px;height:6px;border-radius:50%;background:var(--accent);
}
h1{
  font-size:clamp(32px,4.2vw,50px);
  line-height:1.15;letter-spacing:-.02em;font-weight:700;
  color:var(--ink);max-width:16em;
}
.hero-sub{
  margin-top:20px;font-size:17px;line-height:1.8;color:var(--muted);max-width:34em;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.trust-row{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px 22px;
  margin-top:28px;font-size:13px;color:#6D7C91;
}
.trust-row li{display:flex;align-items:center;gap:8px}
.trust-row li::before{
  content:"";width:5px;height:5px;border-radius:50%;background:var(--accent);flex-shrink:0;
}
.hero-media{position:relative}
.hero-media img{
  width:100%;aspect-ratio:4/3;object-fit:cover;
  border-radius:var(--radius-lg);border:1px solid rgba(255,255,255,.9);
  box-shadow:var(--shadow-card);
}
.hero-float{
  position:absolute;left:-18px;bottom:24px;
  background:#fff;border:1px solid var(--line);border-radius:16px;
  padding:12px 18px;box-shadow:var(--shadow-sm);
}
.hero-float .float-label{display:block;font-size:11px;color:#8795A9;letter-spacing:.02em}
.hero-float strong{font-size:15px;font-weight:700;color:var(--ink)}

/* ---------- 通用板块 ---------- */
.section{padding:76px 0}
.section-soft{background:var(--surface-2)}
.section-head{max-width:760px;margin-bottom:40px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:600;color:var(--brand);
  background:var(--brand-soft);border-radius:999px;padding:5px 12px;margin-bottom:14px;
}
.section-head h2{
  font-size:clamp(26px,3vw,34px);line-height:1.25;letter-spacing:-.02em;font-weight:700;
}
.section-head p{margin-top:14px;font-size:15px;color:var(--muted);line-height:1.8}

/* ---------- 状态标签条 ---------- */
.status-strip{
  display:flex;flex-wrap:wrap;gap:10px;margin-top:8px;
}
.status-chip{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:500;color:#42536B;
  background:#fff;border:1px solid var(--line);border-radius:999px;
  padding:8px 16px;box-shadow:var(--shadow-sm);
}
.status-chip i{
  width:7px;height:7px;border-radius:50%;background:var(--accent);display:inline-block;
}

/* ---------- 时间线 ---------- */
.timeline{position:relative;margin-top:8px;padding-left:8px}
.timeline::before{
  content:"";position:absolute;left:26px;top:12px;bottom:12px;width:1px;background:var(--line);
}
.step{
  position:relative;display:grid;grid-template-columns:56px minmax(0,1fr);
  gap:22px;padding:0 0 34px;
}
.step:last-child{padding-bottom:0}
.step-num{
  position:relative;z-index:1;
  width:36px;height:36px;border-radius:10px;
  display:flex;align-items:center;justify-content:center;
  font-size:13px;font-weight:700;font-variant-numeric:tabular-nums;
  background:#fff;border:1px solid var(--line);color:var(--muted);
  margin-left:8px;
  transition:background .2s ease,color .2s ease,border-color .2s ease;
}
.step.current .step-num{background:var(--brand);border-color:var(--brand);color:#fff}
.step-body{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:22px 24px;box-shadow:var(--shadow-sm);
  transition:box-shadow .2s ease,transform .2s ease,border-color .2s ease;
}
.step:hover .step-body{box-shadow:var(--shadow-card);transform:translateY(-2px);border-color:#C6DAF5}
.step-body h3{font-size:19px;font-weight:600;line-height:1.5;margin-bottom:8px}
.step-body p{font-size:14.5px;color:var(--muted);line-height:1.8}
.step-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
.tag{
  font-size:12px;font-weight:500;color:var(--brand-strong);
  background:var(--brand-soft);border-radius:999px;padding:4px 10px;
}
.tag-accent{color:#0F7C71;background:var(--accent-soft)}

/* ---------- 支持范围卡 ---------- */
.range-grid{
  display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;
}
.range-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:26px;box-shadow:var(--shadow-sm);
  transition:box-shadow .2s ease,transform .2s ease,border-color .2s ease;
  display:flex;gap:18px;align-items:flex-start;
}
.range-card:hover{box-shadow:var(--shadow-hover);transform:translateY(-2px);border-color:#C6DAF5}
.range-icon{
  flex-shrink:0;width:44px;height:44px;border-radius:12px;
  background:var(--brand-soft);color:var(--brand);
  display:flex;align-items:center;justify-content:center;
}
.range-card h3{font-size:18px;font-weight:600;margin-bottom:8px}
.range-card p{font-size:14px;color:var(--muted);line-height:1.8}
.media-card{
  grid-column:1 / -1;
  display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);
  gap:0;overflow:hidden;padding:0;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
  box-shadow:var(--shadow-card);
}
.media-card .media-copy{padding:32px}
.media-card .media-copy h3{font-size:21px;font-weight:600;margin-bottom:10px}
.media-card .media-copy p{font-size:14.5px;color:var(--muted)}
.media-card .media-copy ul{margin-top:16px;display:grid;gap:10px}
.media-card .media-copy li{
  position:relative;padding-left:20px;font-size:14px;color:#42536B;line-height:1.75;
}
.media-card .media-copy li::before{
  content:"";position:absolute;left:0;top:9px;width:8px;height:2px;border-radius:2px;background:var(--accent);
}
.media-card img{
  width:100%;height:100%;min-height:260px;aspect-ratio:16/10;object-fit:cover;
}

/* ---------- 提示条 ---------- */
.notice{
  display:flex;gap:18px;align-items:flex-start;
  background:#fff;border:1px solid var(--line);border-left:3px solid var(--warm);
  border-radius:var(--radius);padding:24px 26px;box-shadow:var(--shadow-sm);
  margin-top:32px;
}
.notice .notice-title{font-size:16px;font-weight:600;margin-bottom:6px}
.notice p{font-size:14px;color:var(--muted);line-height:1.8}
.notice svg{flex-shrink:0;color:var(--warm);margin-top:3px}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:1080px}
.faq-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 40px}
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{
  width:100%;display:flex;align-items:center;gap:14px;
  min-height:64px;padding:16px 0;
  background:transparent;border:0;cursor:pointer;text-align:left;
  color:var(--ink);
}
.faq-q:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:8px}
.faq-num{font-size:12px;color:#8C9AAE;font-variant-numeric:tabular-nums;flex-shrink:0}
.faq-text{flex:1;font-size:16px;font-weight:600;line-height:1.6;transition:color .18s ease}
.faq-q:hover .faq-text{color:var(--brand)}
.faq-icon{
  position:relative;flex-shrink:0;width:20px;height:20px;border-radius:50%;
  border:1px solid var(--line);background:#fff;
  transition:transform .2s ease,border-color .2s ease,background .2s ease;
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;left:50%;top:50%;background:var(--muted);border-radius:1px;
  transform:translate(-50%,-50%);
}
.faq-icon::before{width:9px;height:1.5px}
.faq-icon::after{width:1.5px;height:9px;transition:opacity .2s ease}
.faq-item.open .faq-icon{transform:rotate(180deg);border-color:var(--brand);background:var(--brand-soft)}
.faq-item.open .faq-icon::before{background:var(--brand)}
.faq-item.open .faq-icon::after{opacity:0}
.faq-a{max-height:0;overflow:hidden;opacity:0;transition:max-height .2s ease,opacity .2s ease,padding .2s ease}
.faq-item.open .faq-a{max-height:420px;opacity:1;padding-bottom:20px}
.faq-a p{font-size:15px;line-height:1.85;color:var(--muted);max-width:34em}

/* ---------- CTA ---------- */
.cta-band{
  background:linear-gradient(160deg,#EFF5FE 0%,#F7FAFF 60%,#E9F6F4 100%);
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
  padding:64px 0;
}
.cta-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
  box-shadow:var(--shadow-card);
  padding:44px;
  display:grid;grid-template-columns:minmax(0,1fr) auto;gap:32px;align-items:center;
}
.cta-card h2{font-size:clamp(24px,2.6vw,30px);line-height:1.3;letter-spacing:-.01em;font-weight:700}
.cta-card p{margin-top:12px;font-size:15px;color:var(--muted);max-width:40em}
.cta-actions{display:flex;flex-direction:column;gap:12px;min-width:200px}
.privacy-note{margin-top:22px;font-size:13px;color:#7A8899;line-height:1.8}
.privacy-note a{color:var(--brand);text-decoration:underline;text-underline-offset:3px}
.privacy-note a:hover{color:var(--brand-strong)}
#privacy{
  margin-top:18px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:22px 24px;font-size:13.5px;color:var(--muted);line-height:1.9;
}
#privacy strong{color:var(--ink);font-weight:600}

/* ---------- Footer ---------- */
.site-footer{background:var(--ink);color:#C9D5E4;padding:60px 0 0;margin-top:0}
.footer-grid{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;
  padding-bottom:44px;
}
.footer-logo .logo-text{color:#fff}
.footer-logo .logo-mark{background:linear-gradient(140deg,#2E74DA,#174A99)}
.footer-brand p{margin-top:16px;font-size:14px;line-height:1.85;color:#A7B7CB;max-width:26em}
.footer-col h4{
  font-size:14px;font-weight:600;color:#fff;margin-bottom:16px;letter-spacing:.01em;
}
.footer-col ul{display:grid;gap:10px}
.footer-col a{font-size:14px;color:#A7B7CB;transition:color .18s ease}
.footer-col a:hover{color:#4FD1C0}
.footer-col a:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:4px}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);
  padding:20px 0 26px;
  display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between;
  font-size:13px;color:#93A3B8;
}
.footer-bottom-links{display:flex;gap:22px}
.footer-bottom-links a{color:#A7B7CB}
.footer-bottom-links a:hover{color:#4FD1C0}

/* ---------- Dialog ---------- */
.consult-dialog{
  border:0;padding:0;background:transparent;
  width:520px;max-width:calc(100% - 32px);
  margin:auto;
}
.consult-dialog::backdrop{background:rgba(14,27,44,.42)}
.dialog-panel{
  position:relative;background:#fff;border-radius:var(--radius);
  box-shadow:0 24px 60px rgba(14,27,44,.24);
  padding:30px;max-height:90vh;overflow:auto;
}
.dialog-close{
  position:absolute;right:14px;top:14px;
  width:40px;height:40px;border-radius:10px;border:1px solid var(--line);
  background:#fff;color:var(--muted);cursor:pointer;
  display:flex;align-items:center;justify-content:center;font-size:18px;line-height:1;
}
.dialog-close:hover{background:var(--surface-3);color:var(--ink)}
.dialog-close:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.dialog-panel h3{font-size:20px;font-weight:700}
.dialog-desc{font-size:14px;color:var(--muted);margin-top:8px;line-height:1.75}
.consult-form{margin-top:22px;display:grid;gap:16px}
.field label{display:block;font-size:14px;font-weight:600;margin-bottom:6px}
.field input,.field select,.field textarea{
  width:100%;height:44px;padding:0 14px;
  font-family:inherit;font-size:14px;color:var(--ink);
  border:1px solid var(--line);border-radius:var(--radius-sm);background:#fff;
  transition:border-color .18s ease,box-shadow .18s ease;
}
.field textarea{height:auto;min-height:88px;padding:12px 14px;resize:vertical;line-height:1.7}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(31,95,191,.16);
}
.checkbox-row{display:flex;gap:10px;align-items:flex-start;font-size:13px;color:var(--muted);line-height:1.7}
.checkbox-row input{width:16px;height:16px;margin-top:4px;flex-shrink:0;accent-color:var(--brand)}
.checkbox-row a{color:var(--brand);text-decoration:underline;text-underline-offset:3px}
.form-tip{font-size:12px;color:#8795A9;line-height:1.7}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .command-search{display:none}
  .nav-links{display:none}
  .menu-toggle{display:flex}
  .header-tools .btn-ghost{display:none}
  .hero-inner{grid-template-columns:1fr;gap:36px}
  .hero-media img{aspect-ratio:16/10}
  .hero-float{left:auto;right:16px;bottom:16px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .cta-card{grid-template-columns:1fr;padding:34px}
  .cta-actions{flex-direction:row;flex-wrap:wrap}
  .cta-actions .btn{flex:1;min-width:160px}
}
@media (max-width:768px){
  .section{padding:56px 0}
  .hero-band{padding:44px 0 52px}
  .range-grid{grid-template-columns:1fr}
  .media-card{grid-template-columns:1fr}
  .media-card .media-copy{padding:26px}
  .media-card img{min-height:200px;aspect-ratio:16/9}
  .faq-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .timeline::before{left:22px}
  .step{grid-template-columns:44px minmax(0,1fr);gap:16px}
  .step-num{margin-left:4px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}
@media (max-width:520px){
  .container{padding:0 20px}
  h1{font-size:clamp(28px,7.6vw,34px)}
  .hero-sub{font-size:15.5px}
  .hero-actions{flex-direction:column;align-items:stretch}
  .hero-actions .btn{width:100%}
  .trust-row{font-size:12.5px;gap:8px 16px}
  .header-inner{height:64px;gap:14px}
  .header-tools .btn-primary{height:38px;padding:0 14px;font-size:13px}
  .cta-actions .btn{flex:1 1 100%}
  .cta-card{padding:26px}
  .notice{padding:20px}
  .consult-dialog{
    width:100%;max-width:none;margin:auto auto 0;
  }
  .dialog-panel{border-radius:20px 20px 0 0;padding:24px;max-height:90vh}
  .step-body{padding:18px 18px}
  .range-card{padding:22px}
}