:root{
  --rv-ink:#081a33;
  --rv-blue:#0b5aa7;
  --rv-blue-2:#2e8fff;
  --rv-green:#45b22f;
  --rv-green-2:#76e05b;
  --rv-bg:#eef4f8;
  --rv-card:#ffffff;
  --rv-line:#d8e4ef;
  --rv-soft:#f6fbff;
  --rv-muted:#607289;
  --rv-radius:28px;
  --rv-shadow:0 22px 56px rgba(8,26,51,.08);
  --rv-shadow-soft:0 14px 34px rgba(8,26,51,.06);
  --rv-container:min(100% - 40px,1200px);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body.rv-guide-page,
body.rv-guides-hub-page{margin:0;font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;background:linear-gradient(180deg,#f3f8fb 0%,#edf4f7 100%);color:var(--rv-ink);line-height:1.6;overflow-x:hidden}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.container{width:var(--rv-container);margin:0 auto}
.skip-link{position:absolute;left:-9999px;top:auto;width:1px;height:1px;overflow:hidden}
.skip-link:focus{left:12px;top:12px;width:auto;height:auto;padding:8px 12px;background:#fff;border-radius:12px;z-index:999}
.site-header{position:sticky;top:0;z-index:30;background:rgba(255,255,255,.88);backdrop-filter:blur(16px);border-bottom:1px solid rgba(216,228,239,.85)}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:22px;min-height:78px}
.brand{display:inline-flex;align-items:center;gap:12px;min-width:0}
.brand-logo-img{height:auto;display:block}
.nav{display:flex;align-items:center;gap:8px;flex-wrap:wrap;justify-content:center}
.nav a{display:inline-flex;align-items:center;min-height:42px;padding:10px 14px;border-radius:999px;color:#445a73;font-size:.95rem;font-weight:800;transition:.18s ease}
.nav a:hover,.nav a[aria-current="page"]{background:#fff;color:var(--rv-ink);box-shadow:0 10px 24px rgba(8,26,51,.08)}
.header-cta{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:12px 18px;border-radius:999px;background:linear-gradient(135deg,var(--rv-blue),#0d345d);color:#fff;font-weight:900;box-shadow:0 18px 40px rgba(11,90,167,.22)}
.eyebrow{display:inline-flex;align-items:center;gap:8px;min-height:32px;padding:7px 13px;border-radius:999px;background:#e8f7e4;color:#26771b;font-size:.75rem;font-weight:900;letter-spacing:.08em;text-transform:uppercase}
.section{padding:72px 0}
h1,h2,h3{margin:0 0 14px;line-height:1.04;letter-spacing:-.04em;color:var(--rv-ink)}
h1{font-size:clamp(2.8rem,5vw,4.5rem)}
h2{font-size:clamp(2rem,4vw,3rem)}
h3{font-size:clamp(1.18rem,2vw,1.45rem)}
p{margin:0 0 16px}
.lead{font-size:1.08rem;color:#4f6278;max-width:720px}
.btn,.btn-secondary{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:48px;padding:12px 18px;border-radius:999px;font-weight:900;transition:.18s ease}
.btn{background:linear-gradient(135deg,var(--rv-green-2),var(--rv-green));color:#062345;box-shadow:0 18px 36px rgba(69,178,47,.24)}
.btn:hover,.btn-secondary:hover,.guide-list-card:hover,.guide-link-card:hover,.quick-link:hover,.sidebar-links a:hover,.step-card:hover,.guide-promo:hover{transform:translateY(-2px)}
.btn-secondary{background:#fff;border:1px solid rgba(200,214,228,.95);color:var(--rv-ink);box-shadow:var(--rv-shadow-soft)}
.hero-shell{position:relative;padding:34px 0 30px;background:radial-gradient(circle at 8% 8%,rgba(118,224,91,.12),transparent 24%),radial-gradient(circle at 92% 5%,rgba(46,143,255,.14),transparent 28%),linear-gradient(180deg,rgba(231,241,247,.9) 0%,rgba(240,246,250,0) 100%)}
.hero-shell::after{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(8,26,51,.03) 1px,transparent 1px),linear-gradient(90deg,rgba(8,26,51,.03) 1px,transparent 1px);background-size:48px 48px;mask-image:linear-gradient(180deg,#000,transparent 82%);pointer-events:none}
.hero-grid{position:relative;display:grid;grid-template-columns:minmax(0,1.05fr) minmax(320px,.95fr);gap:32px;align-items:center;padding:38px 0 20px}
.hero-copy,.hero-visual{position:relative;z-index:1}
.breadcrumbs{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:14px;color:#66798f;font-size:.92rem;font-weight:760}
.breadcrumbs a{color:#47617e}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}
.answer-card,.hero-visual-card,.hub-stats,.guide-promo,.guide-list-card,.topic-panel,.section-panel,.step-card,.note-card,.check-card,.sidebar-card,.faq-item,.small-card,.quick-link,.mini-card{border-radius:var(--rv-radius);background:rgba(255,255,255,.92);border:1px solid rgba(216,228,239,.95);box-shadow:var(--rv-shadow-soft)}
.answer-card{padding:22px 22px 20px}
.answer-card h3{margin-bottom:10px;font-size:1.15rem}
.answer-card ul{margin:14px 0 0;padding:0;list-style:none;display:grid;gap:10px}
.answer-card li{display:flex;align-items:flex-start;gap:10px;color:#45607b;font-weight:700}
.answer-card li::before{content:"";width:10px;height:10px;border-radius:50%;margin-top:.5em;background:linear-gradient(135deg,var(--rv-green-2),var(--rv-green));box-shadow:0 0 0 5px rgba(118,224,91,.14);flex:0 0 auto}
.hero-visual-card{padding:14px;background:linear-gradient(180deg,rgba(255,255,255,.92),rgba(241,249,255,.92));overflow:hidden}
.hero-visual-card img{width:100%;border-radius:22px}
.guide-layout{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:30px;align-items:start}
.article-content{display:grid;gap:28px}
.article-block{padding:30px 30px 28px;border-radius:34px;background:rgba(255,255,255,.84);border:1px solid rgba(216,228,239,.9);box-shadow:var(--rv-shadow)}
.article-block h2{font-size:clamp(1.9rem,3vw,2.7rem)}
.kicker{display:block;margin-bottom:10px;color:#4f7f31;font-size:.8rem;font-weight:900;letter-spacing:.09em;text-transform:uppercase}
.inline-anchor{display:flex;flex-wrap:wrap;gap:10px;padding:14px 16px;border-radius:22px;background:#f7fbff;border:1px solid rgba(216,228,239,.9)}
.inline-anchor a{display:inline-flex;align-items:center;min-height:38px;padding:8px 12px;border-radius:999px;background:#fff;border:1px solid rgba(216,228,239,.95);font-size:.9rem;font-weight:820;color:#35506e}
.step-list{display:grid;gap:16px;margin-top:20px}
.step-card{display:grid;grid-template-columns:48px minmax(0,1fr);gap:16px;padding:20px 20px 18px}
.step-no{display:grid;place-items:center;width:36px;height:36px;border-radius:50%;background:#0b3261;color:#fff;font-weight:900;font-size:1.02rem;box-shadow:0 10px 24px rgba(11,90,167,.18)}
.step-card p:last-child,.note-card p:last-child,.check-card p:last-child,.sidebar-card p:last-child,.small-card p:last-child,.guide-list-card p:last-child{margin-bottom:0}
.check-grid,.small-card-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
.check-card,.note-card,.small-card{padding:20px}
.note-card{background:linear-gradient(180deg,#f7fbff,#ffffff)}
.example-strip{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;margin:18px 0 0}
.example-strip div{padding:14px;border-radius:20px;background:#f4f9fd;border:1px solid rgba(216,228,239,.9)}
.example-strip span{display:block;color:#6b7d92;font-size:.78rem;font-weight:820;text-transform:uppercase;letter-spacing:.08em}
.example-strip strong{display:block;margin-top:6px;font-size:1.15rem;letter-spacing:-.03em}
.result-band{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;margin-top:18px}
.result-band article{padding:18px;border-radius:24px;background:#fff;border:1px solid rgba(216,228,239,.92);box-shadow:var(--rv-shadow-soft)}
.result-band .risk-safe{border-top:4px solid #4bc432}.result-band .risk-mid{border-top:4px solid #2e8fff}.result-band .risk-high{border-top:4px solid #e68a28}
.sidebar{display:grid;gap:16px}
.sidebar-card{padding:20px}
.sidebar-card h3{font-size:1.15rem;margin-bottom:10px}
.sidebar-links{display:grid;gap:10px}
.sidebar-links a{display:block;padding:12px 14px;border-radius:18px;background:#f8fbfe;border:1px solid rgba(216,228,239,.92);font-weight:820;color:#32506f;transition:.18s ease}
.guide-promo{padding:22px;background:linear-gradient(145deg,#081a33,#0f4e86);color:#fff;overflow:hidden;position:relative}
.guide-promo::after{content:"";position:absolute;right:-55px;bottom:-55px;width:180px;height:180px;border-radius:50%;background:radial-gradient(circle,rgba(118,224,91,.28),transparent 70%)}
.guide-promo p{color:rgba(255,255,255,.8)}
.guide-promo .btn-secondary{background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.16);color:#fff;box-shadow:none}
.hub-hero-panel{display:grid;grid-template-columns:minmax(0,1.04fr) minmax(300px,.96fr);gap:26px;align-items:center;padding:34px;border-radius:38px;background:rgba(255,255,255,.86);border:1px solid rgba(216,228,239,.94);box-shadow:var(--rv-shadow)}
.hub-copy p{max-width:680px}
.hub-visual{display:grid;gap:16px}
.hub-visual-card{padding:14px;border-radius:30px;background:linear-gradient(180deg,#f8fcff,#edf6ff);border:1px solid rgba(216,228,239,.95);box-shadow:var(--rv-shadow-soft)}
.hub-visual-card img{border-radius:22px}
.hub-stats{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;padding:0;background:transparent;border:none;box-shadow:none}
.hub-stats article{padding:18px;border-radius:24px;background:#fff;border:1px solid rgba(216,228,239,.92);box-shadow:var(--rv-shadow-soft)}
.hub-stats span{display:block;color:#6e8196;font-size:.74rem;font-weight:900;text-transform:uppercase;letter-spacing:.08em}
.hub-stats strong{display:block;margin-top:6px;font-size:1.18rem;letter-spacing:-.03em}
.quick-grid,.guide-grid,.mini-grid,.topic-grid{display:grid;gap:18px}
.quick-grid{grid-template-columns:repeat(3,minmax(0,1fr))}
.quick-link{display:block;padding:22px;transition:.18s ease}
.quick-link strong,.guide-list-card strong,.small-card strong{display:block;margin-bottom:8px;font-size:1.15rem;letter-spacing:-.03em}
.quick-link span,.guide-list-card p,.small-card p,.topic-panel p{display:block;color:#587089}
.section-head{display:flex;align-items:end;justify-content:space-between;gap:18px;margin-bottom:28px}
.section-head p{max-width:720px;margin:0;color:#5a7088}
.topic-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
.topic-panel{padding:24px 24px 22px}
.mini-grid{grid-template-columns:repeat(4,minmax(0,1fr))}
.mini-card{padding:20px}
.guide-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
.guide-list-card{display:grid;grid-template-columns:minmax(0,1fr) 180px;gap:18px;padding:18px;transition:.18s ease}
.guide-list-card img{height:100%;object-fit:cover;border-radius:22px;border:1px solid rgba(216,228,239,.8)}
.guide-list-card ul{display:flex;flex-wrap:wrap;gap:8px;margin:14px 0 0;padding:0;list-style:none}
.guide-list-card li{padding:6px 10px;border-radius:999px;background:#f4f9fd;color:#416280;font-size:.78rem;font-weight:820}
.anchor-nav{padding:12px 0 0}
.anchor-scroll{display:flex;flex-wrap:wrap;gap:10px}
.anchor-scroll a{display:inline-flex;align-items:center;min-height:40px;padding:9px 14px;border-radius:999px;background:rgba(255,255,255,.86);border:1px solid rgba(216,228,239,.92);font-size:.89rem;font-weight:820;color:#385572}
.faq-list{display:grid;gap:14px}
.faq-item{padding:0;overflow:hidden}
.faq-item summary{display:flex;align-items:center;justify-content:space-between;gap:14px;list-style:none;padding:20px 22px;font-weight:860;cursor:pointer}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";font-size:1.3rem;color:#59708a}
.faq-item[open] summary::after{content:"−"}
.faq-item > div{padding:0 22px 20px;color:#587089}
.site-footer{padding:58px 0 28px;background:#f5f9fc;border-top:1px solid rgba(216,228,239,.95)}
.footer-grid{display:grid;grid-template-columns:1.2fr .85fr .85fr .85fr;gap:26px}
.footer-brand p,.footer-col a{color:#587089}.footer-col{display:grid;gap:10px;align-content:start}.footer-col h2{margin-bottom:2px;font-size:1.25rem}
.footer-badges{display:flex;flex-wrap:wrap;gap:10px;margin-top:14px}.footer-badges span{padding:8px 11px;border-radius:999px;background:#fff;border:1px solid rgba(216,228,239,.95);font-size:.8rem;font-weight:850;color:#385572}
.footer-bottom{display:flex;justify-content:space-between;gap:14px;margin-top:28px;padding-top:18px;border-top:1px solid rgba(216,228,239,.92);font-size:.92rem;color:#6c7e92}
@media (max-width:1080px){
  .hero-grid,.hub-hero-panel,.guide-layout{grid-template-columns:1fr}
  .hub-stats,.quick-grid,.guide-grid,.topic-grid,.mini-grid,.check-grid,.result-band,.footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .guide-list-card{grid-template-columns:1fr}
  .guide-list-card img{height:220px}
}
@media (max-width:760px){
  :root{--rv-container:min(100% - 24px,1200px)}
  .site-header{position:sticky}
  .header-inner{min-height:68px;flex-wrap:wrap;gap:10px 16px;padding:10px 0}
  .nav{order:3;width:100%;overflow-x:auto;flex-wrap:nowrap;justify-content:flex-start;padding-bottom:4px;scrollbar-width:none}
  .nav::-webkit-scrollbar{display:none}
  .nav a{flex:0 0 auto}
  .header-cta{display:none}
  .hero-shell{padding-top:20px}
  .hero-grid{padding-top:24px}
  .hub-hero-panel,.article-block{padding:22px}
  h1{font-size:clamp(2.45rem,12vw,3.5rem)}
  .lead{font-size:1rem}
  .hero-actions .btn,.hero-actions .btn-secondary{width:100%}
  .hub-stats,.quick-grid,.guide-grid,.topic-grid,.mini-grid,.check-grid,.result-band,.example-strip,.footer-grid,.step-card{grid-template-columns:1fr}
  .step-card{gap:14px}
  .guide-list-card img{height:200px}
  .footer-bottom{display:block}
}

.hero-grid > *,
.hub-hero-panel > *,
.guide-layout > *,
.footer-grid > *{min-width:0}
.section-head{flex-wrap:wrap}
.guide-promo > *{position:relative;z-index:1}
.guide-promo h3{color:#fff;margin-bottom:12px}
.guide-promo p{max-width:26ch;color:rgba(255,255,255,.9)}
.guide-promo .btn-secondary{background:rgba(255,255,255,.14);border-color:rgba(255,255,255,.22);color:#fff;font-weight:900}
.guide-promo .btn-secondary:hover{background:rgba(255,255,255,.22)}
.brand-footer{padding:10px 14px;border-radius:18px;background:#0a2345;box-shadow:0 18px 36px rgba(8,26,51,.14)}
.brand-footer .brand-logo-img{width:min(220px,100%)}
.footer-brand{display:grid;align-content:start;gap:14px}
.footer-col h2{line-height:1.15}
.footer-col a{word-break:break-word}
@media (max-width:960px){
  .section-head{flex-direction:column;align-items:flex-start}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{display:block}
}
@media (max-width:760px){
  .footer-grid{grid-template-columns:1fr}
  .site-footer{padding:44px 0 24px}
  .brand-footer{padding:10px 12px}
}

/* v2 polish: guide section readability and safe responsive layout */
body.rv-guide-page .hero-visual-card,
body.rv-guides-hub-page .hub-visual-card{max-width:560px;margin-inline:auto}
body.rv-guide-page .hero-visual-card img,
body.rv-guides-hub-page .hub-visual-card img{height:auto;object-fit:contain}
body.rv-guide-page .guide-promo h3,
body.rv-guides-hub-page .guide-promo h3{color:#fff!important;text-shadow:0 1px 0 rgba(0,0,0,.18)}
body.rv-guide-page .guide-promo p,
body.rv-guides-hub-page .guide-promo p{color:rgba(255,255,255,.9)!important}
body.rv-guide-page .guide-promo .btn-secondary,
body.rv-guides-hub-page .guide-promo .btn-secondary{background:rgba(255,255,255,.16)!important;border-color:rgba(255,255,255,.28)!important;color:#fff!important}
body.rv-guide-page .site-footer,
body.rv-guides-hub-page .site-footer{background:linear-gradient(180deg,#f5f9fc,#edf4f8)}
body.rv-guide-page .brand-footer,
body.rv-guides-hub-page .brand-footer{display:inline-flex;width:max-content;max-width:100%;background:#0B2447;border:1px solid rgba(255,255,255,.16);padding:10px 14px;border-radius:20px;box-shadow:0 18px 42px rgba(8,26,51,.14)}
body.rv-guide-page .brand-footer img,
body.rv-guides-hub-page .brand-footer img{display:block;max-width:min(220px,100%);height:auto}
body.rv-guide-page .footer-grid,
body.rv-guides-hub-page .footer-grid{grid-template-columns:minmax(0,1.2fr) repeat(3,minmax(0,.82fr))}
@media(max-width:980px){body.rv-guide-page .footer-grid,body.rv-guides-hub-page .footer-grid{grid-template-columns:1fr 1fr}}
@media(max-width:680px){body.rv-guide-page .footer-grid,body.rv-guides-hub-page .footer-grid{grid-template-columns:1fr}.article-block{border-radius:28px}.answer-card{border-radius:24px}}