/* roulang page: index */
:root{--blue:#1657bc;--deep:#10284b;--ink:#172b48;--muted:#61738e;--soft:#eef4fb;--line:#dce6f2;--white:#fff;--gold:#d39018;--radius:22px;--shadow:0 18px 46px rgba(28,67,119,.09)}
    *,*::before,*::after{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:#f8fbff;color:var(--ink);font-family:Inter,"PingFang SC","Microsoft YaHei",sans-serif;line-height:1.72;-webkit-font-smoothing:antialiased}
    a{color:inherit;text-decoration:none;transition:color .2s,background .2s,transform .2s,box-shadow .2s}
    button,input,textarea{font:inherit}
    button{cursor:pointer}
    img{max-width:100%;display:block}
    :focus-visible{outline:3px solid #75a9f5;outline-offset:3px}
    .container{width:min(1160px,calc(100% - 44px));margin-inline:auto}
    .site-header{position:relative;z-index:10;background:rgba(255,255,255,.96);border-bottom:1px solid var(--line);box-shadow:0 6px 24px rgba(26,65,110,.04)}
    .brand-row{min-height:76px;display:flex;align-items:center;justify-content:space-between;gap:22px}
    .brand{display:inline-flex;align-items:center;gap:12px;color:var(--deep);font-size:21px;font-weight:850;letter-spacing:-.04em;white-space:nowrap}
    .brand-mark{width:39px;height:39px;border-radius:13px;display:grid;place-items:center;color:white;background:var(--blue);font-size:18px;letter-spacing:-.08em}
    .header-note{font-size:13px;color:var(--muted)}
    .nav-bar{border-top:1px solid #edf2f8}
    .nav-inner{display:flex;justify-content:space-between;align-items:center;gap:16px}
    .nav-grid{display:flex;gap:10px;padding:10px 0}
    .nav-link{min-width:150px;display:flex;align-items:center;gap:11px;padding:10px 15px;border-radius:14px;font-weight:700;color:#48617e}
    .nav-link .nav-icon{width:32px;height:32px;display:grid;place-items:center;border-radius:10px;background:#ecf3fc;color:var(--blue);font-size:17px}
    .nav-link:hover,.nav-link.active{background:#eaf2ff;color:var(--blue)}
    .nav-link.active .nav-icon{background:var(--blue);color:white}
    .nav-cta{font-size:13px;font-weight:750;color:var(--blue);padding:9px 14px;border:1px solid #c8dcf8;border-radius:11px}
    .nav-cta:hover{background:#eaf2ff}
    main{overflow:hidden}
    .section{padding:78px 0;border-bottom:1px solid #e9f0f8}
    .section.alt{background:#f0f5fc}
    .section.white{background:white}
    .section.dark{background:var(--deep);color:white}
    .eyebrow{display:inline-block;color:var(--blue);font-size:12px;font-weight:850;letter-spacing:.12em}
    .dark .eyebrow{color:#a9d0ff}
    h1,h2,h3,p{margin-top:0}
    h1{font-size:clamp(35px,5.4vw,68px);line-height:1.17;letter-spacing:-.055em;font-weight:850}
    h2{font-size:clamp(26px,3.2vw,39px);line-height:1.25;letter-spacing:-.045em;font-weight:820}
    h3{font-size:19px;line-height:1.4;font-weight:800}
    .section-head{max-width:770px;margin-bottom:30px}
    .section-head p,.lead{color:var(--muted);font-size:15px;line-height:1.9}
    .dark .section-head p{color:#b7c8de}
    .grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px}
    .grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
    .card{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:25px;transition:transform .2s,box-shadow .2s}
    .card:hover{transform:translateY(-3px);box-shadow:0 23px 48px rgba(28,67,119,.14)}
    .card p{color:var(--muted);font-size:14px;margin:0}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:46px;padding:10px 19px;border-radius:12px;border:1px solid transparent;font-size:14px;font-weight:800;transition:transform .2s,background .2s,box-shadow .2s}
    .btn:hover{transform:translateY(-2px)}
    .btn-primary{background:var(--blue);color:white;box-shadow:0 9px 22px rgba(22,87,188,.2)}
    .btn-primary:hover{background:#10489e}
    .btn-light{background:#edf4ff;color:var(--blue)}
    .btn-light:hover{background:#dceaff}
    .badge{display:inline-flex;align-items:center;gap:6px;border-radius:100px;background:#eaf2ff;color:var(--blue);padding:6px 11px;font-size:12px;font-weight:800}
    .hero{padding:58px 0 72px;background:radial-gradient(circle at 84% 8%,#dbeafa 0,transparent 35%),linear-gradient(180deg,#edf5ff 0%,#f8fbff 100%)}
    .hero-cover{height:154px;border-radius:25px 25px 0 0;background:linear-gradient(110deg,#123363,#2466bd 62%,#7fb3ed);position:relative;overflow:hidden}
    .hero-cover::before,.hero-cover::after{content:"";position:absolute;border:1px solid rgba(255,255,255,.25);border-radius:50%;width:390px;height:390px;right:8%;top:-240px}
    .hero-cover::after{width:230px;height:230px;right:29%;top:38px}
    .cover-label{position:absolute;right:28px;bottom:24px;color:white;font-size:13px;font-weight:800;letter-spacing:.16em}
    .hero-profile{position:relative;background:white;border:1px solid var(--line);border-top:0;border-radius:0 0 25px 25px;padding:0 42px 42px;box-shadow:var(--shadow)}
    .profile-top{display:flex;align-items:end;justify-content:space-between;gap:20px;margin-bottom:28px}
    .identity{display:flex;align-items:end;gap:19px}
    .avatar{width:92px;height:92px;margin-top:-39px;border:5px solid white;border-radius:25px;display:grid;place-items:center;background:#e8f1ff;color:var(--blue);font-size:34px;font-weight:900;box-shadow:0 8px 20px rgba(20,62,116,.13)}
    .identity-name{padding-bottom:7px;font-size:22px;font-weight:850}
    .hero-body{display:grid;grid-template-columns:minmax(0,1.65fr) minmax(240px,.7fr);gap:42px}
    .hero-body h1{max-width:730px;margin-bottom:21px}
    .hero-copy p{font-size:15px;color:#50647e;line-height:1.95;margin-bottom:12px;max-width:750px}
    .hero-aside{align-self:center;background:#f1f6fd;border:1px solid #dae7f7;border-radius:20px;padding:24px}
    .hero-aside strong{display:block;color:var(--deep);font-size:18px;margin-bottom:12px}
    .hero-aside span{display:block;color:var(--muted);font-size:13px;padding:9px 0;border-top:1px solid var(--line)}
    .stats{display:grid;grid-template-columns:repeat(4,1fr);gap:15px}
    .stat{padding:23px;border:1px solid var(--line);border-radius:18px;background:white}
    .stat strong{display:block;color:var(--blue);font-size:25px;line-height:1.3}
    .stat span{color:var(--muted);font-size:13px}
    .news-layout{display:grid;grid-template-columns:minmax(0,1.55fr) minmax(290px,.85fr);gap:28px;align-items:start}
    .story{display:flex;gap:19px;padding:22px 0;border-top:1px solid var(--line)}
    .story:first-of-type{border-top:0}
    .story-num{flex:none;width:39px;height:39px;display:grid;place-items:center;border-radius:12px;background:#edf4ff;color:var(--blue);font-weight:850}
    .story h3{margin:0 0 7px}
    .story p{margin:0;color:var(--muted);font-size:14px}
    .rank-panel{border:1px solid #cddff5;background:white;border-radius:var(--radius);padding:25px;box-shadow:var(--shadow)}
    .rank-panel h2{font-size:24px}
    .rank-row{padding:14px 0;border-top:1px solid var(--line)}
    .rank-row strong{display:block;font-size:14px;line-height:1.6}
    .rank-row small{display:block;color:var(--muted);font-size:12px;margin-top:4px}
    .stars{color:var(--gold);letter-spacing:.05em}
    .topic-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
    .topic{padding:19px;border-radius:17px;background:white;border:1px solid var(--line);font-weight:800}
    .topic span{display:block;color:var(--blue);font-size:23px;margin-bottom:7px}
    .topic small{display:block;color:var(--muted);font-size:12px;font-weight:500;margin-top:4px}
    .topic:hover{border-color:#a9caf5;transform:translateY(-2px)}
    .rank-card{position:relative}
    .rank-card.featured{border-color:#a9c9f2}
    .rank-title{font-size:15px!important;min-height:50px}
    .score{font-size:42px;font-weight:900;letter-spacing:-.06em;color:var(--blue);line-height:1.15;margin:14px 0 3px}
    .score small{font-size:13px;letter-spacing:0;color:var(--muted)}
    .rank-card ul,.check-list{list-style:none;padding:0;margin:16px 0}
    .rank-card li,.check-list li{font-size:13px;color:#496079;padding:7px 0;border-top:1px solid #edf2f8}
    .rank-card li::before,.check-list li::before{content:"✓";color:var(--blue);font-weight:900;margin-right:9px}
    .fit{font-size:13px!important;line-height:1.8;margin-top:12px!important}
    .compare{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:18px;overflow:hidden}
    .compare>div{background:white;padding:23px}
    .compare strong{display:block;margin-bottom:10px;color:var(--blue)}
    .compare p{font-size:13px;color:var(--muted);margin:0}
    .compact-rank{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
    .compact-rank .card{padding:20px}
    .compact-rank strong{display:block;font-size:15px}
    .compact-rank p{margin-top:9px}
    .timeline{border-left:2px solid #b8d2f2;margin-left:8px;padding-left:28px}
    .time-item{position:relative;padding:0 0 25px}
    .time-item:last-child{padding-bottom:0}
    .time-item::before{content:"";position:absolute;left:-36px;top:7px;width:14px;height:14px;background:var(--blue);border:3px solid white;border-radius:50%;box-shadow:0 0 0 2px #a8c8f0}
    .time-item strong{display:block}
    .time-item p{color:var(--muted);font-size:14px;margin:5px 0 0}
    .media-band{border-radius:24px;padding:30px;background:#e6f0fc;border:1px solid #d2e2f5}
    .media-band p{color:#526982;margin:0;max-width:850px}
    .subscribe-box{display:grid;grid-template-columns:1.2fr .8fr;gap:30px;align-items:center;background:white;border:1px solid var(--line);border-radius:25px;padding:35px;box-shadow:var(--shadow)}
    .device-list{display:flex;flex-wrap:wrap;gap:10px}
    .device-list span{padding:11px 16px;background:var(--soft);border-radius:12px;color:var(--blue);font-size:13px;font-weight:800}
    .answers{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
    .answer{padding:22px;background:white;border:1px solid var(--line);border-radius:17px}
    .answer strong{display:block;margin-bottom:6px}
    .answer p{color:var(--muted);font-size:13px;margin:0}
    details{border:1px solid var(--line);border-radius:15px;background:white;padding:0 20px;margin-top:11px}
    summary{cursor:pointer;list-style:none;padding:17px 0;font-weight:750}
    summary::-webkit-details-marker{display:none}
    summary::after{content:"＋";float:right;color:var(--blue)}
    details[open] summary::after{content:"－"}
    details p{margin:0 0 18px;color:var(--muted);font-size:14px}
    .contact-panel{display:grid;grid-template-columns:1fr 1fr;gap:35px;align-items:center}
    .contact-panel p{color:#bdcde2}
    .contact-form{background:white;border-radius:21px;padding:25px;color:var(--ink)}
    .contact-form label{display:block;font-size:13px;font-weight:750;margin-bottom:7px}
    .contact-form input,.contact-form textarea{width:100%;border:1px solid #cddbec;background:#f8fbff;border-radius:11px;padding:11px 13px;margin-bottom:14px;color:var(--ink);outline:0;transition:border-color .2s,box-shadow .2s}
    .contact-form input:focus,.contact-form textarea:focus{border-color:var(--blue);box-shadow:0 0 0 3px #dceaff}
    .contact-form textarea{min-height:88px;resize:vertical}
    .contact-form .hint{font-size:12px;color:var(--muted);margin:10px 0 0}
    .site-footer{background:#0b1c34;color:#c2d1e3;padding:49px 0 26px}
    .footer-grid{display:flex;justify-content:space-between;gap:35px;align-items:start}
    .site-footer .brand{color:white}
    .footer-copy{font-size:13px;max-width:610px;line-height:1.9;margin:17px 0}
    .footer-links{display:flex;gap:18px;flex-wrap:wrap;font-size:13px}
    .footer-links a:hover{color:white}
    .copyright{border-top:1px solid #253851;margin-top:36px;padding-top:19px;color:#91a7c0;font-size:12px}
    @media(max-width:1024px){.hero-body{gap:24px}.grid-3{grid-template-columns:repeat(2,1fr)}.topic-strip{grid-template-columns:repeat(2,1fr)}}
    @media(max-width:768px){.section{padding:57px 0}.hero{padding:35px 0 52px}.hero-profile{padding:0 25px 29px}.hero-body,.news-layout,.subscribe-box,.contact-panel{grid-template-columns:1fr}.hero-aside{display:grid;grid-template-columns:repeat(3,1fr);gap:9px}.hero-aside strong{grid-column:1/-1;margin:0}.hero-aside span{border-top:1px solid var(--line)}.stats{grid-template-columns:repeat(2,1fr)}.compare{grid-template-columns:1fr}.footer-grid{flex-direction:column}.header-note{display:none}}
    @media(max-width:520px){.container{width:min(100% - 30px,1160px)}.brand{font-size:18px}.brand-mark{width:34px;height:34px}.brand-row{min-height:65px}.nav-inner{align-items:stretch}.nav-grid{width:100%;display:grid;grid-template-columns:1fr 1fr;gap:6px}.nav-link{min-width:0;padding:8px;font-size:13px;gap:6px}.nav-icon{width:28px!important;height:28px!important}.nav-cta{display:none}.hero-cover{height:105px}.cover-label{right:15px;bottom:13px;font-size:10px}.hero-profile{padding:0 18px 22px}.avatar{width:69px;height:69px;margin-top:-29px;font-size:24px;border-radius:18px}.identity{gap:9px}.identity-name{font-size:16px}.profile-top .btn{font-size:12px;padding:7px 9px;min-height:36px}.hero-body h1{font-size:34px}.hero-aside{grid-template-columns:1fr}.hero-aside span{padding:5px 0}.grid-2,.grid-3,.answers,.compact-rank{grid-template-columns:1fr}.topic-strip{grid-template-columns:repeat(2,1fr)}.topic{padding:13px;font-size:13px}.stat{padding:16px}.stat strong{font-size:21px}.card{padding:20px}.media-band,.subscribe-box{padding:22px}.footer-links{gap:12px}}

/* roulang page: category1 */
:root{
  --blue:#1657bc;
  --blue-dark:#10489e;
  --blue-light:#eaf2ff;
  --deep:#10284b;
  --ink:#172b48;
  --muted:#61738e;
  --soft:#eef4fb;
  --soft-2:#f8fbff;
  --line:#dce6f2;
  --white:#fff;
  --gold:#d39018;
  --gold-light:#fff4d9;
  --green:#178b66;
  --green-light:#e8f7f1;
  --radius:22px;
  --radius-sm:14px;
  --shadow:0 18px 46px rgba(28,67,119,.09);
  --shadow-hover:0 23px 48px rgba(28,67,119,.14);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:#f8fbff;
  color:var(--ink);
  font-family:Inter,"PingFang SC","Microsoft YaHei",sans-serif;
  line-height:1.72;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
body,button,input,textarea{font-family:Inter,"PingFang SC","Microsoft YaHei",sans-serif}
a{color:inherit;text-decoration:none;transition:color .2s,background .2s,transform .2s,box-shadow .2s,border-color .2s}
button,input,textarea{font:inherit}
button{cursor:pointer}
img{max-width:100%;display:block}
h1,h2,h3,p{overflow-wrap:anywhere}
h1,h2,h3{color:var(--deep);line-height:1.25;letter-spacing:-.035em}
p{margin-top:0}
::selection{background:#cfe2ff;color:var(--deep)}
.container{width:min(1160px,calc(100% - 44px));margin-inline:auto}
.site-header{
  position:relative;
  z-index:20;
  background:rgba(255,255,255,.96);
  border-bottom:1px solid var(--line);
  box-shadow:0 6px 24px rgba(26,65,110,.04);
}
.brand-row{min-height:76px;display:flex;align-items:center;justify-content:space-between;gap:22px}
.brand{
  display:inline-flex;
  align-items:center;
  gap:12px;
  color:var(--deep);
  font-size:21px;
  font-weight:850;
  letter-spacing:-.04em;
  white-space:nowrap;
}
.brand:focus-visible,.nav-link:focus-visible,.nav-cta:focus-visible,.btn:focus-visible,.topic-link:focus-visible,.footer-links a:focus-visible{
  outline:3px solid rgba(22,87,188,.24);
  outline-offset:3px;
}
.brand-mark{
  width:39px;
  height:39px;
  border-radius:13px;
  display:grid;
  place-items:center;
  color:white;
  background:var(--blue);
  box-shadow:0 9px 20px rgba(22,87,188,.2);
  font-size:18px;
  font-weight:900;
  letter-spacing:-.08em;
}
.header-note{font-size:13px;color:var(--muted)}
.nav-bar{border-top:1px solid #edf2f8;background:rgba(255,255,255,.92)}
.nav-inner{display:flex;justify-content:space-between;align-items:center;gap:16px}
.nav-grid{display:flex;gap:10px;padding:10px 0}
.nav-link{
  min-width:150px;
  display:flex;
  align-items:center;
  gap:11px;
  padding:10px 15px;
  border-radius:14px;
  font-weight:700;
  color:#48617e;
}
.nav-link .nav-icon{
  width:32px;
  height:32px;
  display:grid;
  place-items:center;
  border-radius:10px;
  background:#ecf3fc;
  color:var(--blue);
  font-size:17px;
}
.nav-link:hover,.nav-link.active{background:#eaf2ff;color:var(--blue)}
.nav-link:active{transform:translateY(1px)}
.nav-link.active .nav-icon{background:var(--blue);color:white}
.nav-cta{
  font-size:13px;
  font-weight:750;
  color:var(--blue);
  padding:9px 14px;
  border:1px solid #c8dcf8;
  border-radius:11px;
}
.nav-cta:hover{background:#eaf2ff;border-color:#a9c9f2}
main{overflow:hidden}
.section{padding:78px 0;border-bottom:1px solid #e9f0f8}
.section.alt{background:#f0f5fc}
.section.white{background:white}
.section.dark{background:var(--deep);color:white}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  color:var(--blue);
  font-size:12px;
  font-weight:850;
  letter-spacing:.12em;
}
.eyebrow::before{content:"";width:20px;height:2px;border-radius:2px;background:currentColor}
.dark .eyebrow{color:#a9d0ff}
.section-head{max-width:770px;margin-bottom:32px}
.section-head h2{font-size:clamp(28px,4vw,42px);margin:9px 0 14px}
.section-head p,.lead{color:var(--muted);font-size:15px;line-height:1.9}
.dark .section-head h2{color:white}
.dark .section-head p{color:#b7c8de}
.grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px}
.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.card{
  background:var(--white);
  border:1px solid var(--line);
  border-radius:var(--radius);
  box-shadow:var(--shadow);
  padding:25px;
  transition:transform .2s,box-shadow .2s,border-color .2s;
}
.card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:#bfd3ec}
.card p{color:var(--muted);font-size:14px;margin:0}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:46px;
  padding:10px 19px;
  border-radius:12px;
  border:1px solid transparent;
  font-size:14px;
  font-weight:800;
  transition:transform .2s,background .2s,box-shadow .2s,border-color .2s;
}
.btn:hover{transform:translateY(-2px)}
.btn:active{transform:translateY(0)}
.btn-primary{background:var(--blue);color:white;box-shadow:0 9px 22px rgba(22,87,188,.2)}
.btn-primary:hover{background:var(--blue-dark);box-shadow:0 13px 25px rgba(22,87,188,.27)}
.btn-light{background:#edf4ff;color:var(--blue);border-color:#d5e4f8}
.btn-light:hover{background:#dceaff}
.btn-white{background:white;color:var(--blue)}
.btn-white:hover{background:#edf4ff}
.badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  border-radius:100px;
  background:#eaf2ff;
  color:var(--blue);
  padding:6px 11px;
  font-size:12px;
  font-weight:800;
}
.hero{
  padding:58px 0 72px;
  background:
    radial-gradient(circle at 84% 8%,#dbeafa 0,transparent 35%),
    linear-gradient(180deg,#edf5ff 0%,#f8fbff 100%);
}
.hero-stack{
  display:grid;
  grid-template-columns:minmax(0,1.55fr) minmax(280px,.72fr);
  gap:22px;
  align-items:center;
}
.hero-main{
  position:relative;
  z-index:2;
  overflow:hidden;
  background:white;
  border:1px solid var(--line);
  border-radius:28px;
  box-shadow:0 28px 65px rgba(28,67,119,.13);
  padding:46px;
}
.hero-main::after{
  content:"";
  position:absolute;
  width:260px;
  height:260px;
  right:-125px;
  bottom:-145px;
  border:42px solid #e9f2ff;
  border-radius:50%;
  pointer-events:none;
}
.hero-main h1{
  position:relative;
  z-index:1;
  max-width:760px;
  margin:16px 0 24px;
  font-size:clamp(38px,5vw,64px);
}
.hero-copy{position:relative;z-index:1;max-width:790px}
.hero-copy p{font-size:15px;color:#50647e;line-height:1.98;margin-bottom:14px}
.hero-actions{position:relative;z-index:1;display:flex;flex-wrap:wrap;gap:12px;margin-top:27px}
.hero-side{display:grid;gap:18px}
.side-card{
  position:relative;
  border-radius:22px;
  padding:26px;
  border:1px solid #cfdef0;
  background:#f9fcff;
  box-shadow:var(--shadow);
}
.side-card:first-child{transform:translateX(-18px)}
.side-card:last-child{transform:translateX(8px)}
.side-card .side-number{display:block;color:var(--blue);font-size:36px;font-weight:900;line-height:1;margin-bottom:11px}
.side-card strong{display:block;color:var(--deep);font-size:17px;margin-bottom:7px}
.side-card p{margin:0;color:var(--muted);font-size:13px}
.side-card.dark-card{background:var(--deep);border-color:var(--deep)}
.side-card.dark-card .side-number,.side-card.dark-card strong{color:white}
.side-card.dark-card p{color:#b7c8de}

.metric-board{
  display:grid;
  grid-template-columns:1.3fr repeat(3,1fr);
  gap:15px;
  padding:18px;
  background:white;
  border:1px solid var(--line);
  border-radius:25px;
  box-shadow:var(--shadow);
}
.metric-intro{padding:15px}
.metric-intro h2{font-size:25px;margin:7px 0 10px}
.metric-intro p{font-size:13px;color:var(--muted);margin:0}
.metric{
  min-height:155px;
  padding:22px;
  display:flex;
  flex-direction:column;
  justify-content:space-between;
  background:#f0f6fd;
  border:1px solid #deebf8;
  border-radius:18px;
}
.metric small{color:var(--muted);font-weight:700}
.metric strong{font-size:34px;color:var(--blue);line-height:1}
.metric span{font-size:12px;color:#58708d}

.topic-layout{display:grid;grid-template-columns:.76fr 1.5fr;gap:25px;align-items:start}
.topic-feature{
  position:sticky;
  top:24px;
  background:var(--deep);
  color:white;
  border-radius:26px;
  padding:32px;
  box-shadow:0 24px 55px rgba(16,40,75,.18);
}
.topic-feature h2{color:white;font-size:34px;margin:12px 0 15px}
.topic-feature p{color:#b8c9df;font-size:14px}
.topic-points{display:grid;gap:10px;margin-top:23px}
.topic-points span{padding:11px 13px;border-radius:12px;background:rgba(255,255,255,.08);font-size:13px}
.topic-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}
.topic-link{
  min-height:190px;
  display:flex;
  flex-direction:column;
  justify-content:space-between;
  background:white;
  border:1px solid var(--line);
  border-radius:21px;
  padding:24px;
  box-shadow:0 12px 32px rgba(28,67,119,.07);
}
.topic-link:hover{transform:translateY(-3px);border-color:#aac8ed;box-shadow:var(--shadow)}
.topic-icon{
  width:46px;
  height:46px;
  display:grid;
  place-items:center;
  border-radius:14px;
  color:var(--blue);
  background:#eaf2ff;
  font-size:20px;
  font-weight:900;
}
.topic-link h3{font-size:18px;margin:19px 0 7px}
.topic-link p{font-size:13px;color:var(--muted);margin:0}
.topic-link em{margin-top:17px;color:var(--blue);font-size:12px;font-weight:800;font-style:normal}

.rank-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.rank-card{position:relative;padding-top:31px}
.rank-card.featured{border-color:#a9c9f2}
.medal{
  position:absolute;
  top:-16px;
  left:22px;
  min-width:44px;
  height:44px;
  padding:0 12px;
  display:grid;
  place-items:center;
  border-radius:14px;
  background:var(--deep);
  color:white;
  box-shadow:0 10px 22px rgba(16,40,75,.18);
  font-size:20px;
}
.rank-line{font-size:15px;font-weight:850;color:var(--deep);line-height:1.7}
.score-row{display:flex;align-items:end;justify-content:space-between;gap:10px;margin:18px 0}
.score-number{font-size:42px;line-height:1;color:var(--blue);font-weight:900}
.score-number small{font-size:13px;color:var(--muted)}
.stars{color:var(--gold);font-size:14px;letter-spacing:1px}
.rank-card ul,.check-list{list-style:none;padding:0;margin:16px 0}
.rank-card li,.check-list li{font-size:13px;color:#496079;padding:8px 0;border-top:1px solid #edf2f8}
.rank-card li::before,.check-list li::before{content:"✓";color:var(--blue);font-weight:900;margin-right:9px}
.fit-box{margin-top:16px;padding:14px;border-radius:14px;background:#f4f8fd}
.fit-box strong{display:block;font-size:12px;color:var(--blue);margin-bottom:5px}
.fit-box p{font-size:12px}
.compare-copy{
  display:grid;
  grid-template-columns:1.1fr 1fr;
  gap:18px;
  margin-top:23px;
}
.compare-note{border-radius:18px;padding:20px;background:white;border:1px solid var(--line)}
.compare-note strong{display:block;color:var(--deep);margin-bottom:7px}
.compare-note p{font-size:13px;color:var(--muted);margin:0}
.compare-table{
  margin-top:22px;
  overflow:hidden;
  border:1px solid var(--line);
  border-radius:20px;
  background:white;
  box-shadow:var(--shadow);
}
.compare-row{
  display:grid;
  grid-template-columns:1.2fr repeat(3,1fr);
  align-items:center;
  border-top:1px solid var(--line);
}
.compare-row:first-child{border-top:0;background:#edf4fd;font-weight:850;color:var(--deep)}
.compare-row > span{padding:15px 18px;font-size:13px}
.compare-row > span:not(:first-child){border-left:1px solid var(--line)}
.compare-value{color:var(--blue);font-weight:800}

.timeline-layout{display:grid;grid-template-columns:.75fr 1.25fr;gap:42px;align-items:start}
.timeline-summary{
  border-radius:24px;
  padding:29px;
  background:#e6f0fc;
  border:1px solid #d2e2f5;
}
.timeline-summary h2{font-size:31px;margin:10px 0 14px}
.timeline-summary p{color:#526982;font-size:14px;margin:0}
.timeline{position:relative;padding-left:37px}
.timeline::before{content:"";position:absolute;left:7px;top:7px;bottom:10px;width:2px;background:#c6d9ef}
.time-item{position:relative;padding:0 0 28px}
.time-item:last-child{padding-bottom:0}
.time-item::before{
  content:"";
  position:absolute;
  left:-36px;
  top:7px;
  width:14px;
  height:14px;
  background:var(--blue);
  border:3px solid white;
  border-radius:50%;
  box-shadow:0 0 0 2px #a8c8f0;
}
.time-item time{font-size:12px;color:var(--blue);font-weight:850}
.time-item strong{display:block;color:var(--deep);font-size:17px;margin-top:2px}
.time-item p{color:var(--muted);font-size:14px;margin:5px 0 0}

.news-layout{display:grid;grid-template-columns:1.35fr .65fr;gap:22px}
.news-list{display:grid;gap:14px}
.news-item{
  display:grid;
  grid-template-columns:92px 1fr auto;
  gap:18px;
  align-items:center;
  padding:20px;
  border-radius:19px;
  border:1px solid var(--line);
  background:white;
  transition:transform .2s,border-color .2s,box-shadow .2s;
}
.news-item:hover{transform:translateX(3px);border-color:#b7cfed;box-shadow:0 13px 32px rgba(28,67,119,.08)}
.news-date{padding:12px;border-radius:13px;background:#edf4fd;color:var(--blue);text-align:center;font-size:12px;font-weight:850}
.news-item h3{font-size:17px;margin:0 0 5px}
.news-item p{font-size:13px;color:var(--muted);margin:0}
.news-arrow{color:var(--blue);font-size:20px}
.news-aside{
  display:flex;
  flex-direction:column;
  justify-content:space-between;
  border-radius:23px;
  padding:27px;
  background:var(--deep);
  color:white;
}
.news-aside h3{color:white;font-size:25px;margin:9px 0 12px}
.news-aside p{color:#b9cae0;font-size:14px}
.news-aside .badge{background:rgba(255,255,255,.1);color:#bdddff}

.assurance-grid{display:grid;grid-template-columns:1.2fr .8fr .8fr;grid-template-rows:auto auto;gap:18px}
.assurance-main{grid-row:span 2;background:var(--blue);color:white}
.assurance-main h2{color:white;font-size:35px;margin:14px 0}
.assurance-main p{color:#d6e6fb;font-size:14px}
.assurance-card{box-shadow:none}
.assurance-icon{
  width:43px;
  height:43px;
  display:grid;
  place-items:center;
  border-radius:13px;
  background:#eaf2ff;
  color:var(--blue);
  font-weight:900;
  margin-bottom:16px;
}
.assurance-card h3{font-size:17px;margin:0 0 8px}

.answer-strip{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  background:white;
  border:1px solid var(--line);
  border-radius:24px;
  overflow:hidden;
  box-shadow:var(--shadow);
}
.answer-item{padding:25px;border-left:1px solid var(--line)}
.answer-item:first-child{border-left:0}
.answer-item span{display:block;color:var(--blue);font-size:12px;font-weight:850;margin-bottom:7px}
.answer-item strong{display:block;color:var(--deep);font-size:16px;margin-bottom:7px}
.answer-item p{font-size:12px;color:var(--muted);margin:0}

.faq-layout{display:grid;grid-template-columns:.65fr 1.35fr;gap:38px;align-items:start}
.faq-intro{position:sticky;top:24px}
.faq-intro h2{font-size:38px;margin:10px 0 14px}
.faq-intro p{font-size:14px;color:var(--muted)}
.faq-list{display:grid;gap:13px}
.faq-item{
  background:white;
  border:1px solid var(--line);
  border-radius:17px;
  overflow:hidden;
  transition:border-color .2s,box-shadow .2s;
}
.faq-item[open]{border-color:#aac8ed;box-shadow:0 12px 30px rgba(28,67,119,.08)}
.faq-item summary{
  list-style:none;
  position:relative;
  padding:19px 52px 19px 21px;
  color:var(--deep);
  font-size:15px;
  font-weight:800;
  cursor:pointer;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"+";
  position:absolute;
  right:20px;
  top:16px;
  width:28px;
  height:28px;
  display:grid;
  place-items:center;
  border-radius:9px;
  background:#edf4fd;
  color:var(--blue);
  font-size:19px;
}
.faq-item[open] summary::after{content:"−";background:var(--blue);color:white}
.faq-answer{padding:0 21px 20px;color:var(--muted);font-size:14px;line-height:1.9}

.contact-layout{display:grid;grid-template-columns:1fr .9fr;gap:40px;align-items:center}
.contact-copy h2{color:white;font-size:clamp(31px,4vw,46px);margin:11px 0 17px}
.contact-copy p{color:#b9cae0;font-size:15px;max-width:590px}
.contact-points{display:flex;flex-wrap:wrap;gap:10px;margin-top:23px}
.contact-points span{padding:9px 13px;border:1px solid rgba(255,255,255,.14);border-radius:12px;color:#d7e5f7;font-size:12px}
.contact-form{background:white;border-radius:21px;padding:25px;color:var(--ink);box-shadow:0 24px 55px rgba(0,0,0,.13)}
.contact-form label{display:block;font-size:13px;font-weight:750;margin-bottom:7px}
.contact-form input,.contact-form textarea{
  width:100%;
  border:1px solid #cddbec;
  background:#f8fbff;
  border-radius:11px;
  padding:11px 13px;
  margin-bottom:14px;
  color:var(--ink);
  outline:0;
  transition:border-color .2s,box-shadow .2s,background .2s;
}
.contact-form input:hover,.contact-form textarea:hover{border-color:#abc5e4;background:white}
.contact-form input:focus,.contact-form textarea:focus{border-color:var(--blue);box-shadow:0 0 0 3px #dceaff;background:white}
.contact-form textarea{min-height:96px;resize:vertical}
.contact-form .hint{font-size:12px;color:var(--muted);margin:10px 0 0}
.form-status{
  display:none;
  margin-top:13px;
  padding:11px 13px;
  border-radius:11px;
  background:var(--green-light);
  color:var(--green);
  font-size:12px;
  font-weight:750;
}
.form-status.show{display:block}

.site-footer{background:#0b1f3a;color:white;padding:54px 0 24px}
.site-footer .brand{color:white}
.site-footer .brand-mark{background:#2a70d4}
.footer-grid{display:grid;grid-template-columns:1.25fr .75fr;gap:45px;align-items:start}
.footer-copy{max-width:650px;color:#aebed2;font-size:13px;line-height:1.9;margin:18px 0 0}
.footer-links{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:11px}
.footer-links a{
  padding:10px 12px;
  border:1px solid rgba(255,255,255,.1);
  border-radius:11px;
  color:#c7d5e7;
  font-size:13px;
}
.footer-links a:hover{background:rgba(255,255,255,.07);color:white;border-color:rgba(255,255,255,.19)}
.copyright{margin-top:36px;padding-top:21px;border-top:1px solid rgba(255,255,255,.1);color:#8296af;font-size:12px}

@media (max-width:1024px){
  .hero-stack{grid-template-columns:1fr}
  .hero-side{grid-template-columns:repeat(2,minmax(0,1fr))}
  .side-card:first-child,.side-card:last-child{transform:none}
  .metric-board{grid-template-columns:repeat(3,1fr)}
  .metric-intro{grid-column:1/-1}
  .topic-layout,.timeline-layout,.faq-layout{grid-template-columns:1fr}
  .topic-feature,.faq-intro{position:static}
  .rank-grid{grid-template-columns:1fr}
  .rank-card{padding-top:27px}
  .news-layout{grid-template-columns:1fr}
  .assurance-grid{grid-template-columns:repeat(2,1fr)}
  .assurance-main{grid-column:1/-1;grid-row:auto}
  .answer-strip{grid-template-columns:repeat(2,1fr)}
  .answer-item:nth-child(3){border-left:0;border-top:1px solid var(--line)}
  .answer-item:nth-child(4){border-top:1px solid var(--line)}
}
@media (max-width:768px){
  .container{width:min(100% - 30px,1160px)}
  .brand-row{min-height:68px}
  .header-note{display:none}
  .nav-inner{align-items:stretch;flex-direction:column;gap:0;padding-bottom:10px}
  .nav-grid{width:100%;overflow-x:auto;padding:9px 0 6px}
  .nav-link{min-width:145px;flex:1}
  .nav-cta{align-self:flex-start;margin-top:2px}
  .hero{padding:35px 0 50px}
  .hero-main{padding:31px 25px}
  .hero-main h1{font-size:39px}
  .hero-side{grid-template-columns:1fr}
  .section{padding:60px 0}
  .grid-2,.grid-3,.topic-grid{grid-template-columns:1fr}
  .metric-board{grid-template-columns:1fr 1fr}
  .metric-intro{grid-column:1/-1}
  .rank-grid{gap:30px}
  .compare-copy{grid-template-columns:1fr}
  .compare-table{overflow-x:auto}
  .compare-row{min-width:650px}
  .news-item{grid-template-columns:80px 1fr}
  .news-arrow{display:none}
  .assurance-grid{grid-template-columns:1fr}
  .assurance-main{grid-column:auto}
  .contact-layout{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
}
@media (max-width:520px){
  .container{width:min(100% - 22px,1160px)}
  .brand{font-size:18px}
  .brand-mark{width:36px;height:36px}
  .nav-link{min-width:132px;padding:9px 11px;font-size:13px}
  .nav-link .nav-icon{width:29px;height:29px}
  .hero-main{padding:27px 20px;border-radius:23px}
  .hero-main h1{font-size:34px}
  .hero-copy p{font-size:14px}
  .hero-actions{flex-direction:column}
  .hero-actions .btn{width:100%}
  .side-card{padding:21px}
  .section{padding:51px 0}
  .section-head h2,.topic-feature h2,.faq-intro h2{font-size:29px}
  .metric-board{grid-template-columns:1fr;padding:13px}
  .metric-intro{grid-column:auto}
  .metric{min-height:132px}
  .topic-feature{padding:25px}
  .card{padding:21px}
  .score-number{font-size:36px}
  .timeline-layout{gap:27px}
  .timeline-summary{padding:23px}
  .news-item{grid-template-columns:1fr;gap:10px}
  .news-date{justify-self:start}
  .answer-strip{grid-template-columns:1fr}
  .answer-item,.answer-item:nth-child(3),.answer-item:nth-child(4){border-left:0;border-top:1px solid var(--line)}
  .answer-item:first-child{border-top:0}
  .contact-form{padding:20px}
  .footer-links{grid-template-columns:1fr}
}