:root{
  --bg:#f4f7fb;
  --bg-2:#eef3fa;
  --panel:rgba(255,255,255,.88);
  --panel-strong:rgba(255,255,255,.96);
  --text:#132033;
  --muted:#5d6c84;
  --line:rgba(194,207,227,.72);
  --brand:#1f5eff;
  --brand-2:#7da3ff;
  --brand-3:#123a9e;
  --accent:#0f1728;
  --success:#0f766e;
  --shadow:0 24px 60px rgba(20,44,94,.10);
  --shadow-soft:0 14px 34px rgba(20,44,94,.06);
  --radius:26px;
  --radius-sm:18px;
  --container:min(1180px,calc(100% - 40px));
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  color:var(--text);
  font-family:"PingFang SC","Microsoft YaHei",Arial,sans-serif;
  background:
    radial-gradient(circle at top left, rgba(125,163,255,.18), transparent 28%),
    radial-gradient(circle at 85% 8%, rgba(31,94,255,.10), transparent 24%),
    linear-gradient(180deg,#f7faff 0%,#f3f6fb 56%,#eef3fa 100%);
  overflow-x:hidden;
}
a{text-decoration:none;color:inherit}
img{max-width:100%;display:block}
.container{width:var(--container);margin:0 auto;position:relative;z-index:1}
.site-progress{position:fixed;left:0;top:0;height:3px;width:0;background:linear-gradient(90deg,var(--brand),var(--brand-2));z-index:9999;box-shadow:0 0 24px rgba(31,94,255,.35)}
.site-header{position:sticky;top:0;z-index:99;background:rgba(255,255,255,.78);backdrop-filter:blur(18px);border-bottom:1px solid rgba(211,220,234,.72);transition:transform .4s ease, box-shadow .3s ease}
.site-header.is-compact{box-shadow:0 10px 30px rgba(13,27,53,.06)}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:18px;min-height:84px}
.brand{display:flex;align-items:center;gap:14px}
.brand-mark{width:44px;height:44px;border-radius:15px;position:relative;background:linear-gradient(135deg,#205dff 0%,#8bb0ff 100%);box-shadow:0 18px 34px rgba(31,94,255,.22), inset 0 1px 1px rgba(255,255,255,.45)}
.brand-mark::before,.brand-mark::after{content:"";position:absolute;background:#fff;border-radius:999px}.brand-mark::before{width:16px;height:16px;left:10px;top:9px;border-radius:5px}.brand-mark::after{width:20px;height:4px;left:12px;bottom:10px}
.brand-text strong{display:block;font-size:19px;letter-spacing:.04em}
.brand-text small{display:block;color:var(--muted);font-size:12px;letter-spacing:.18em;text-transform:uppercase}
.site-nav{display:flex;flex-wrap:wrap;gap:8px;align-items:center}
.site-nav a{position:relative;padding:11px 14px;border-radius:999px;font-size:14px;font-weight:600;color:var(--muted);transition:.28s ease}
.site-nav a::after{content:"";position:absolute;left:14px;right:14px;bottom:8px;height:2px;border-radius:999px;background:linear-gradient(90deg,var(--brand),var(--brand-2));transform:scaleX(0);transform-origin:left;transition:.28s ease}
.site-nav a:hover,.site-nav a.active{color:var(--brand);background:rgba(232,239,255,.7)}
.site-nav a:hover::after,.site-nav a.active::after{transform:scaleX(1)}
.nav-toggle{display:none;border:0;background:none;padding:0;width:42px;height:42px}
.nav-toggle span{display:block;width:22px;height:2px;background:var(--text);margin:5px auto;transition:.25s}
.page-hero{position:relative;padding:94px 0 56px;overflow:hidden}
.page-hero::before,.page-hero::after{content:"";position:absolute;border-radius:999px;filter:blur(16px);pointer-events:none}
.page-hero::before{width:420px;height:420px;right:-120px;top:-120px;background:radial-gradient(circle,rgba(31,94,255,.18),rgba(31,94,255,0) 68%)}
.page-hero::after{width:360px;height:360px;left:-140px;bottom:-180px;background:radial-gradient(circle,rgba(125,163,255,.18),rgba(125,163,255,0) 68%)}
.hero-grid,.showcase-grid,.split-panel,.contact-grid,.article-layout,.news-layout{display:grid;gap:24px}
.hero-grid{grid-template-columns:1.12fr .88fr;align-items:center}
.hero-copy{position:relative;z-index:1}
.hero-copy h1{margin:14px 0 18px;font-size:clamp(38px,4.6vw,64px);line-height:1.06;letter-spacing:-.045em;max-width:12em}
.hero-text,.section-heading p,.feature-card p,.info-card p,.portal-card span,.panel-card p,.timeline-item p,.course-card p,.news-item span,.article-card p,.contact-form .form-tip,.contact-list p,.site-footer p,.site-footer a,.case-card p,.pricing-card p,.road-card p{color:var(--muted);line-height:1.9}
.eyebrow{display:inline-flex;align-items:center;gap:8px;margin:0;color:var(--brand);font-size:12px;font-weight:800;letter-spacing:.22em;text-transform:uppercase}
.eyebrow::before{content:"";width:28px;height:1px;background:linear-gradient(90deg,var(--brand),transparent)}
.hero-actions,.button-row{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.btn{position:relative;display:inline-flex;align-items:center;justify-content:center;padding:14px 24px;border-radius:999px;font-weight:700;letter-spacing:.02em;border:1px solid transparent;overflow:hidden;transition:transform .28s ease, box-shadow .28s ease, border-color .28s ease}
.btn::before{content:"";position:absolute;left:-120%;top:0;width:100%;height:100%;background:linear-gradient(115deg,transparent,rgba(255,255,255,.36),transparent);transition:left .7s ease}
.btn:hover::before{left:120%}
.btn:hover{transform:translateY(-2px)}
.btn-primary{background:linear-gradient(135deg,var(--brand) 0%,#477aff 54%,#7da3ff 100%);color:#fff;box-shadow:0 18px 38px rgba(31,94,255,.24)}
.btn-secondary{background:rgba(255,255,255,.9);border-color:rgba(194,207,227,.9);color:var(--text);box-shadow:var(--shadow-soft)}
.glass,.feature-card,.portal-card,.panel-card,.info-card,.pricing-card,.course-card,.case-card,.news-highlight,.article-card,.side-card,.contact-card,.contact-form,.faq-item,.road-card,.hero-card,.timeline-item,.news-item,.tab-panel{
  position:relative;
  background:linear-gradient(180deg,rgba(255,255,255,.96),rgba(255,255,255,.88));
  border:1px solid rgba(207,217,232,.78);
  box-shadow:var(--shadow);
  border-radius:var(--radius);
  backdrop-filter:blur(10px);
  overflow:hidden;
}
.glass::before,.feature-card::before,.portal-card::before,.panel-card::before,.info-card::before,.pricing-card::before,.course-card::before,.case-card::before,.news-highlight::before,.article-card::before,.side-card::before,.contact-card::before,.contact-form::before,.faq-item::before,.road-card::before,.hero-card::before,.timeline-item::before,.news-item::before,.tab-panel::before{
  content:"";position:absolute;inset:0;background:linear-gradient(120deg,rgba(255,255,255,0),rgba(255,255,255,.36),rgba(255,255,255,0));transform:translateX(-120%);transition:transform .9s ease;pointer-events:none
}
.feature-card:hover::before,.portal-card:hover::before,.panel-card:hover::before,.info-card:hover::before,.pricing-card:hover::before,.course-card:hover::before,.case-card:hover::before,.news-highlight:hover::before,.article-card:hover::before,.side-card:hover::before,.contact-card:hover::before,.contact-form:hover::before,.faq-item:hover::before,.road-card:hover::before,.hero-card:hover::before,.timeline-item:hover::before,.news-item:hover::before,.tab-panel:hover::before{transform:translateX(120%)}
.hero-card{padding:28px}
.hero-panel{position:relative}
.hero-panel::before{content:"";position:absolute;inset:auto 0 -18px 30px;height:28px;background:radial-gradient(circle,rgba(31,94,255,.16),transparent 68%);filter:blur(14px)}
.hero-highlight{background:linear-gradient(180deg,rgba(255,255,255,.98),rgba(239,244,255,.96))}
.card-kicker{margin:0 0 16px;font-weight:800;color:var(--accent)}
.metric-list{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-bottom:18px}
.metric-two{grid-template-columns:repeat(2,1fr)}
.metric-list div{padding:16px;border-radius:18px;background:linear-gradient(180deg,#f7faff,#eef4ff);border:1px solid rgba(209,220,241,.8)}
.metric-list strong{display:block;font-size:34px;line-height:1;margin-bottom:7px}
.metric-list span{font-size:13px;color:var(--muted)}
.mini-bullets{display:grid;gap:10px;margin:0;padding-left:18px;color:var(--muted);line-height:1.75}
.section{position:relative;padding:42px 0}
.section-alt{background:linear-gradient(180deg,rgba(255,255,255,.40),rgba(255,255,255,.18))}
.section-heading{max-width:780px;margin-bottom:22px}
.section-heading h2,.panel-card h2,.cta-banner h2,.article-card h2{margin:10px 0 14px;font-size:clamp(28px,3vw,40px);line-height:1.18;letter-spacing:-.03em}
.showcase-grid{grid-template-columns:1.08fr .92fr;align-items:start}
.showcase-stack{display:grid;gap:18px}
.feature-grid,.portal-grid,.pricing-grid,.course-grid,.case-grid,.roadmap-grid{display:grid;gap:18px}
.feature-grid,.portal-grid{grid-template-columns:repeat(3,1fr)}
.pricing-grid{grid-template-columns:repeat(3,1fr)}
.course-grid,.case-grid,.roadmap-grid{grid-template-columns:repeat(3,1fr)}
.feature-card,.portal-card,.pricing-card,.course-card,.case-card,.road-card,.info-card,.panel-card,.news-highlight,.article-card,.side-card,.contact-card,.contact-form{padding:26px}
.tag,.price-tag{display:inline-flex;padding:8px 13px;border-radius:999px;background:linear-gradient(180deg,#eef4ff,#e5eeff);color:var(--brand);font-size:12px;font-weight:800;letter-spacing:.03em;margin-bottom:16px;border:1px solid rgba(206,218,240,.7)}
.portal-card strong,.feature-card h3,.pricing-card h3,.course-card h3,.case-card h3,.road-card h3,.info-card h3,.news-highlight h3,.article-card h3,.side-card h3,.contact-card h2,.contact-form h2{display:block;margin:0 0 10px;line-height:1.35}
.portal-card strong,.feature-card h3,.pricing-card h3,.course-card h3,.case-card h3,.road-card h3,.info-card h3{font-size:21px}
.portal-card{min-height:142px;display:flex;flex-direction:column;justify-content:space-between}
.feature-card,.portal-card,.panel-card,.info-card,.pricing-card,.course-card,.case-card,.news-highlight,.article-card,.side-card,.contact-card,.contact-form,.faq-item,.road-card,.hero-card,.timeline-item,.news-item{transition:transform .32s ease,box-shadow .32s ease, border-color .32s ease}
.feature-card:hover,.portal-card:hover,.panel-card:hover,.info-card:hover,.pricing-card:hover,.course-card:hover,.case-card:hover,.news-highlight:hover,.article-card:hover,.side-card:hover,.contact-card:hover,.contact-form:hover,.faq-item:hover,.road-card:hover,.hero-card:hover,.timeline-item:hover,.news-item:hover{transform:translateY(-6px);box-shadow:0 30px 70px rgba(20,44,94,.14);border-color:rgba(166,191,237,.85)}
.split-panel{grid-template-columns:1fr 1fr}
.check-list{margin:0;padding-left:18px;color:var(--muted);line-height:2}
.timeline-list{display:grid;gap:16px}
.timeline-item{display:grid;grid-template-columns:88px 1fr;gap:18px;align-items:start;padding:24px;border-radius:0 var(--radius) var(--radius) 0;border-left:4px solid #c5d8ff;background:linear-gradient(180deg,#fff,#f8fbff)}
.timeline-item span,.road-card span{font-weight:800;color:var(--brand)}
.pricing-card ul{padding-left:18px;color:var(--muted);line-height:2}
.pricing-card.featured{background:linear-gradient(180deg,#1d52d7,#356cff 58%,#6290ff);color:#fff;border-color:rgba(255,255,255,.22)}
.pricing-card.featured p,.pricing-card.featured li,.pricing-card.featured .price-tag{color:#fff}
.pricing-card.featured .price-tag{background:rgba(255,255,255,.18);border-color:rgba(255,255,255,.14)}
.faq-list{display:grid;gap:14px}.faq-item{overflow:hidden}.faq-question{width:100%;padding:20px 22px;border:0;background:none;text-align:left;font-size:17px;font-weight:700;cursor:pointer;position:relative}.faq-question::after{content:"+";position:absolute;right:22px;top:18px;font-size:24px;color:var(--brand)}.faq-item.open .faq-question::after{content:"−"}.faq-answer{max-height:0;overflow:hidden;transition:max-height .34s ease,padding .34s ease;padding:0 22px}.faq-item.open .faq-answer{max-height:180px;padding-bottom:20px}
.tabs-block{padding:8px}.tabs-nav{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:18px}.tab-btn,.chip{padding:11px 18px;border-radius:999px;border:1px solid rgba(202,214,234,.9);background:rgba(255,255,255,.9);cursor:pointer;font-weight:700;transition:.28s ease}.tab-btn.active,.chip.active{background:linear-gradient(180deg,#eef4ff,#e3edff);color:var(--brand);border-color:#c5d7ff;box-shadow:var(--shadow-soft)}
.tab-panel{display:none;padding:28px;border-radius:var(--radius-sm)}.tab-panel.active{display:block}
.filter-bar{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:18px}
.case-card a{color:var(--brand);font-weight:700}
.road-card{min-height:238px}.road-card span{display:block;font-size:44px;opacity:.22;margin-bottom:14px}
.news-layout{grid-template-columns:1fr 1fr}.news-highlight h3{font-size:32px;line-height:1.2;margin:10px 0 12px}.news-list{display:grid;gap:12px}.news-item{padding:22px;border-radius:22px}.news-item strong{display:block;font-size:18px;line-height:1.5;margin-top:8px}
.article-layout{grid-template-columns:1.08fr .62fr;align-items:start}.article-meta{font-size:14px}blockquote{margin:22px 0;padding:18px 20px;border-left:4px solid var(--brand);background:linear-gradient(180deg,#eef4ff,#f7faff);border-radius:0 16px 16px 0;color:var(--accent)}.side-card{display:grid;gap:12px;margin-bottom:18px}
.contact-grid{grid-template-columns:.9fr 1.1fr}.contact-list{display:grid;gap:10px}.qr-box{display:grid;place-items:center;height:176px;margin-top:20px;border-radius:22px;border:1px dashed rgba(172,195,234,.9);background:linear-gradient(180deg,#f8fbff,#eef4ff);color:var(--muted);font-weight:700;letter-spacing:.08em}
.form-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}.form-grid label{display:grid;gap:8px}.form-grid label span{font-weight:700}.form-grid .full{grid-column:1/-1}
input,textarea{width:100%;padding:14px 16px;border-radius:16px;border:1px solid rgba(207,217,232,.94);background:rgba(251,253,255,.96);font:inherit;transition:.25s ease}
input:focus,textarea:focus{outline:none;border-color:#9ebcff;box-shadow:0 0 0 4px rgba(31,94,255,.08);background:#fff}
.cta-banner{display:flex;align-items:center;justify-content:space-between;gap:22px;padding:34px;border-radius:30px;background:linear-gradient(135deg,#111c35 0%,#18305d 45%,#2450aa 100%);color:#fff;box-shadow:0 28px 70px rgba(12,27,57,.18);overflow:hidden}
.cta-banner::after{content:"";position:absolute;inset:auto -90px -110px auto;width:280px;height:280px;border-radius:50%;background:radial-gradient(circle,rgba(255,255,255,.18),transparent 68%)}
.cta-banner p,.cta-banner .eyebrow{color:rgba(255,255,255,.84)}
.site-footer{margin-top:26px;padding:36px 0 20px;border-top:1px solid rgba(211,220,234,.9);background:linear-gradient(180deg,#fff,#f7faff)}
.footer-top{display:grid;grid-template-columns:.9fr 1.1fr;gap:28px;padding-bottom:22px}.footer-links{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.footer-links h4{margin:0 0 12px;font-size:16px}.footer-links a,.footer-links p{display:block;margin-bottom:10px}.footer-bottom{display:flex;flex-wrap:wrap;gap:14px;padding-top:14px;border-top:1px solid rgba(211,220,234,.9);font-size:13px;color:var(--muted)}
.back-top{position:fixed;right:22px;bottom:22px;width:48px;height:48px;border-radius:50%;display:grid;place-items:center;background:linear-gradient(135deg,var(--brand),#5d8cff);color:#fff;box-shadow:0 16px 34px rgba(31,94,255,.25);opacity:0;pointer-events:none;transition:.28s ease;z-index:60}.back-top.show{opacity:1;pointer-events:auto}
.reveal{opacity:0;transform:translateY(28px);transition:opacity .8s ease,transform .8s ease}.reveal.visible{opacity:1;transform:translateY(0)}.delay-1{transition-delay:.1s}.delay-2{transition-delay:.2s}.hidden{display:none!important}

.delay-3{transition-delay:.3s}
.section-overview{padding-top:54px;padding-bottom:56px}
.overview-shell{padding:34px;border-radius:34px;background:linear-gradient(180deg,rgba(255,255,255,.72),rgba(255,255,255,.46));border:1px solid rgba(210,220,236,.9);box-shadow:0 30px 90px rgba(19,41,84,.08)}
.overview-head{display:grid;grid-template-columns:1.05fr .95fr;gap:22px;align-items:stretch;margin-bottom:22px}
.overview-summary{padding:28px 30px;background:linear-gradient(135deg,#0f1d37 0%,#17305e 48%,#2450aa 100%);color:#fff;display:grid;gap:14px;align-content:center}
.overview-summary::before{background:linear-gradient(120deg,rgba(255,255,255,0),rgba(255,255,255,.18),rgba(255,255,255,0))}
.overview-summary strong{font-size:28px;line-height:1.32;letter-spacing:-.03em}
.overview-summary p{margin:0;color:rgba(255,255,255,.82);line-height:1.9}
.overview-badge{display:inline-flex;width:max-content;padding:8px 14px;border-radius:999px;background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.16);font-size:12px;font-weight:800;letter-spacing:.16em;text-transform:uppercase}
.overview-board{display:grid;grid-template-columns:1.06fr .94fr;gap:20px}
.overview-main,.overview-card,.case-hero-strip div,.news-highlight-premium{position:relative;overflow:hidden;border-radius:28px;border:1px solid rgba(207,217,232,.82);box-shadow:var(--shadow)}
.overview-main{padding:34px;background:linear-gradient(160deg,#ffffff 0%,#f3f7ff 56%,#ecf2ff 100%)}
.overview-main::after{content:"";position:absolute;right:-40px;top:-50px;width:220px;height:220px;border-radius:50%;background:radial-gradient(circle,rgba(31,94,255,.18),transparent 68%)}
.overview-main h3{margin:0 0 12px;font-size:34px;line-height:1.2;letter-spacing:-.035em;max-width:12em}
.overview-main p{max-width:48rem;color:var(--muted);line-height:1.95}
.overview-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:26px}
.overview-stats div{padding:20px 18px;border-radius:22px;background:rgba(255,255,255,.78);border:1px solid rgba(203,216,239,.84);backdrop-filter:blur(8px)}
.overview-stats strong{display:block;font-size:38px;line-height:1;margin-bottom:8px}
.overview-stats span{color:var(--muted);font-size:13px}
.overview-side{display:grid;gap:16px}
.overview-card{padding:26px;background:linear-gradient(180deg,#fff,#f9fbff)}
.overview-card::after{content:"";position:absolute;inset:auto -32px -48px auto;width:140px;height:140px;border-radius:50%;background:radial-gradient(circle,rgba(125,163,255,.16),transparent 72%)}
.overview-index{display:inline-flex;align-items:center;justify-content:center;width:50px;height:50px;border-radius:16px;background:linear-gradient(135deg,#1f5eff,#81a8ff);color:#fff;font-size:18px;font-weight:800;box-shadow:0 18px 34px rgba(31,94,255,.18);margin-bottom:16px}
.overview-card h3{margin:0 0 10px;font-size:22px;line-height:1.4}
.overview-card p{margin:0;color:var(--muted);line-height:1.9}
.news-layout-premium{align-items:stretch}
.news-highlight-premium{padding:30px;background:linear-gradient(145deg,#0f1d37 0%,#143164 54%,#1f5eff 100%);color:#fff}
.news-highlight-premium p{color:rgba(255,255,255,.82)}
.news-highlight-premium .tag{background:rgba(255,255,255,.14);border-color:rgba(255,255,255,.12);color:#fff}
.news-highlight-premium::after{content:"";position:absolute;right:-80px;bottom:-80px;width:240px;height:240px;border-radius:50%;background:radial-gradient(circle,rgba(255,255,255,.18),transparent 68%)}
.highlight-meta{display:flex;flex-wrap:wrap;gap:10px;margin:18px 0 22px}
.highlight-meta span{display:inline-flex;padding:8px 12px;border-radius:999px;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.12);font-size:12px;color:#fff}
.case-hero-strip{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin:20px 0 18px}
.case-hero-strip div{padding:20px 22px;background:linear-gradient(180deg,#ffffff,#f7faff)}
.case-hero-strip strong{display:block;margin-bottom:8px;font-size:18px}
.case-hero-strip span{display:block;color:var(--muted);line-height:1.8}
.hero-copy h1,.section-heading h2,.showcase-copy h2,.overview-main h3,.news-highlight h3{ text-wrap:balance; }
.hero-copy h1{max-width:11em}
.site-header::after{content:"";position:absolute;left:0;right:0;bottom:0;height:1px;background:linear-gradient(90deg,rgba(31,94,255,0),rgba(31,94,255,.28),rgba(31,94,255,0));opacity:.75}
.brand-mark{display:none}
.brand{gap:0}
.brand-text strong{font-size:24px;letter-spacing:.12em}
.brand-text small{margin-top:4px;letter-spacing:.28em}
.section-heading p,.showcase-copy p,.hero-text,.overview-summary p,.overview-card p,.case-hero-strip span{font-size:15.5px}

.hero-home{padding-top:104px}.article-hero .hero-copy h1{font-size:clamp(30px,3.6vw,48px)}
.decor-orb{position:absolute;border-radius:50%;pointer-events:none;filter:blur(10px);opacity:.52;z-index:0}.decor-orb.orb-a{width:170px;height:170px;right:10%;top:6%;background:radial-gradient(circle,rgba(31,94,255,.18),transparent 66%)}.decor-orb.orb-b{width:120px;height:120px;left:6%;bottom:10%;background:radial-gradient(circle,rgba(125,163,255,.26),transparent 66%)}
.hero-copy .hero-text{max-width:48rem;font-size:17px}
.article-card p{line-height:1.95;margin:0 0 16px}.footer-brand h3{margin:0 0 12px;font-size:26px}.contact-list p{margin:0}
@media (max-width:1100px){.hero-grid,.showcase-grid,.news-layout,.article-layout,.contact-grid,.split-panel,.footer-top,.overview-head,.overview-board{grid-template-columns:1fr}.portal-grid{grid-template-columns:repeat(3,1fr)}.feature-grid,.course-grid,.case-grid,.roadmap-grid,.pricing-grid,.case-hero-strip{grid-template-columns:repeat(2,1fr)}.overview-main h3{max-width:none}}
@media (max-width:820px){.nav-toggle{display:block}.site-nav{position:absolute;left:20px;right:20px;top:74px;background:rgba(255,255,255,.98);border:1px solid rgba(207,217,232,.88);border-radius:24px;padding:14px;box-shadow:var(--shadow);display:none;flex-direction:column}.site-nav.open{display:flex}.hero-copy h1{font-size:34px}.portal-grid,.feature-grid,.course-grid,.case-grid,.roadmap-grid,.pricing-grid,.metric-list,.form-grid,.footer-links,.overview-stats,.case-hero-strip{grid-template-columns:1fr}.cta-banner{flex-direction:column;align-items:flex-start}.metric-two{grid-template-columns:1fr 1fr}.overview-shell{padding:24px}.overview-main,.overview-card,.overview-summary{padding:24px}.brand-text strong{font-size:20px;letter-spacing:.08em}.brand-text small{letter-spacing:.18em}}

/* ===== Premium round ===== */
.premium-hero{position:relative;overflow:hidden}
.premium-hero::before{content:"";position:absolute;inset:-20% auto auto -10%;width:42vw;height:42vw;border-radius:50%;background:radial-gradient(circle,rgba(31,94,255,.16),transparent 65%);pointer-events:none}
.premium-hero::after{content:"";position:absolute;inset:auto -6% -24% auto;width:32vw;height:32vw;border-radius:50%;background:radial-gradient(circle,rgba(125,163,255,.2),transparent 68%);pointer-events:none}
.hero-meta-band{display:flex;flex-wrap:wrap;gap:12px;margin:26px 0 0}
.hero-meta-band span{display:inline-flex;align-items:center;gap:8px;padding:10px 14px;border-radius:999px;background:rgba(255,255,255,.72);border:1px solid rgba(207,218,236,.92);box-shadow:0 10px 20px rgba(31,94,255,.06);font-size:13px;color:#27405f}
.hero-meta-band span::before{content:"";width:8px;height:8px;border-radius:50%;background:linear-gradient(135deg,#1f5eff,#90b2ff)}
.premium-panel{padding-bottom:28px}
.hero-brief-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin:22px 0 18px}
.hero-brief-grid article{padding:16px 18px;border-radius:18px;background:rgba(255,255,255,.76);border:1px solid rgba(211,221,237,.9)}
.hero-brief-grid span{display:block;margin-bottom:6px;color:var(--muted);font-size:12px}
.hero-brief-grid strong{display:block;font-size:18px;line-height:1.45}
.premium-overview .container{z-index:2}
.overview-premium-shell{position:relative;padding:38px;border-radius:34px;background:linear-gradient(180deg,rgba(255,255,255,.76),rgba(248,251,255,.94));border:1px solid rgba(209,219,235,.9);box-shadow:0 30px 70px rgba(18,58,158,.08)}
.overview-premium-shell::before{content:"";position:absolute;left:28px;right:28px;top:28px;height:1px;background:linear-gradient(90deg,rgba(31,94,255,0),rgba(31,94,255,.28),rgba(31,94,255,0))}
.overview-premium-head{display:grid;grid-template-columns:1.3fr .8fr;gap:24px;align-items:start;margin-bottom:28px}
.overview-premium-title h2{margin:0 0 14px;font-size:clamp(32px,4vw,48px);line-height:1.14;letter-spacing:-.04em}
.overview-premium-title p{margin:0;max-width:52rem;color:var(--muted);line-height:2}
.overview-premium-note{padding:26px 24px;border-radius:28px;min-height:100%}
.overview-premium-note strong{display:block;margin:12px 0 10px;font-size:26px;line-height:1.38}
.overview-premium-note p{margin:0;color:var(--muted);line-height:1.9}
.overview-premium-stage{display:grid;grid-template-columns:1.08fr .92fr;gap:18px;align-items:stretch}
.stage-master,.stage-card{position:relative;overflow:hidden;border-radius:30px;border:1px solid rgba(203,216,237,.9);background:#fff}
.stage-master{padding:34px;background:linear-gradient(145deg,#0f1f3d 0%,#16315e 56%,#275cda 100%);color:#fff;box-shadow:0 28px 64px rgba(18,58,158,.18)}
.stage-master::after{content:"";position:absolute;right:-60px;top:-60px;width:220px;height:220px;border-radius:50%;background:radial-gradient(circle,rgba(255,255,255,.2),transparent 68%)}
.stage-label{display:inline-flex;padding:8px 14px;border-radius:999px;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.14);font-size:12px;letter-spacing:.08em}
.stage-master h3{margin:20px 0 14px;font-size:34px;line-height:1.18;max-width:12em}
.stage-master p{margin:0;color:rgba(255,255,255,.82);line-height:2}
.stage-master-foot{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:26px}
.stage-master-foot div{padding:18px;border-radius:20px;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.12);backdrop-filter:blur(8px)}
.stage-master-foot strong{display:block;font-size:34px;line-height:1;margin-bottom:8px}
.stage-master-foot span{display:block;font-size:12px;color:rgba(255,255,255,.78)}
.stage-side-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.stage-card{padding:24px;background:linear-gradient(180deg,#ffffff,#f6f9ff);box-shadow:0 16px 34px rgba(18,58,158,.06)}
.stage-card::after{content:"";position:absolute;inset:auto -38px -42px auto;width:120px;height:120px;border-radius:50%;background:radial-gradient(circle,rgba(125,163,255,.2),transparent 70%)}
.stage-no{display:inline-flex;align-items:center;justify-content:center;width:48px;height:48px;border-radius:15px;background:linear-gradient(135deg,#1f5eff,#8aaeff);color:#fff;font-weight:800;margin-bottom:16px;box-shadow:0 14px 28px rgba(31,94,255,.16)}
.stage-card h3{margin:0 0 10px;font-size:22px}
.stage-card p{margin:0;color:var(--muted);line-height:1.9}
.news-premium-grid{display:grid;grid-template-columns:1.25fr .75fr;gap:20px;align-items:stretch}
.news-featured-stage,.news-briefing,.case-premium-hero,.editorial-card{position:relative;overflow:hidden;border-radius:30px;border:1px solid rgba(205,216,235,.9);box-shadow:0 20px 46px rgba(18,58,158,.08)}
.news-featured-stage{padding:32px;background:linear-gradient(145deg,#0e1a33 0%,#153061 55%,#1f5eff 100%);color:#fff}
.news-featured-stage::after{content:"";position:absolute;right:-70px;top:-70px;width:240px;height:240px;border-radius:50%;background:radial-gradient(circle,rgba(255,255,255,.18),transparent 68%)}
.news-stage-top{display:flex;justify-content:space-between;gap:16px;align-items:center;margin-bottom:18px}
.news-stage-date{font-size:13px;color:rgba(255,255,255,.76)}
.news-featured-stage h3{margin:0 0 14px;font-size:34px;line-height:1.22;max-width:15em}
.news-featured-stage p{margin:0 0 22px;color:rgba(255,255,255,.82);line-height:1.95;max-width:48rem}
.news-featured-points{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-bottom:22px}
.news-featured-points div{padding:16px;border-radius:18px;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.12);backdrop-filter:blur(10px)}
.news-featured-points strong{display:block;margin-bottom:8px;font-size:15px}
.news-featured-points span{display:block;font-size:12px;line-height:1.7;color:rgba(255,255,255,.76)}
.news-briefing{padding:24px;background:linear-gradient(180deg,#ffffff,#f7faff)}
.briefing-head{display:flex;justify-content:space-between;align-items:center;padding-bottom:16px;border-bottom:1px solid rgba(214,222,236,.9)}
.briefing-head strong{font-size:22px}
.briefing-head span{font-size:11px;letter-spacing:.18em;color:var(--muted)}
.briefing-list{display:grid;gap:10px;margin-top:16px}
.briefing-item{display:block;padding:16px 16px 16px 18px;border-radius:20px;background:#fff;border:1px solid rgba(211,220,236,.88);transition:.3s ease}
.briefing-item:hover{transform:translateY(-4px);box-shadow:0 16px 34px rgba(18,58,158,.08)}
.briefing-item span{display:block;margin-bottom:8px;color:var(--muted);font-size:12px}
.briefing-item strong{display:block;font-size:17px;line-height:1.55}
.news-editorial-board{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:20px}
.editorial-card{padding:24px;background:linear-gradient(180deg,#fff,#f7faff)}
.editorial-card h3{margin:14px 0 10px;font-size:23px;line-height:1.4}
.editorial-card p{margin:0 0 16px;color:var(--muted);line-height:1.9}
.editorial-card a{display:inline-flex;align-items:center;gap:8px;font-weight:700;color:var(--brand)}
.editorial-card a::after{content:"→";transition:transform .25s ease}
.editorial-card:hover a::after{transform:translateX(4px)}
.case-premium-hero{display:grid;grid-template-columns:1fr 1fr;gap:18px;padding:24px;background:linear-gradient(180deg,#ffffff,#f6f9ff);margin-bottom:18px}
.case-premium-copy{padding:14px 8px 14px 6px}
.case-premium-copy h3{margin:16px 0 12px;font-size:34px;line-height:1.22}
.case-premium-copy p{margin:0;color:var(--muted);line-height:1.95}
.case-premium-matrix{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.case-premium-matrix div{padding:22px;border-radius:22px;background:#fff;border:1px solid rgba(206,216,234,.9);box-shadow:0 12px 26px rgba(18,58,158,.05)}
.case-premium-matrix strong{display:block;margin-bottom:10px;font-size:18px}
.case-premium-matrix span{display:block;color:var(--muted);line-height:1.8}
.case-grid-premium .case-card{min-height:100%}
.case-grid-premium .case-card p{min-height:7.2em}
.mouse-glow{position:fixed;width:340px;height:340px;border-radius:50%;pointer-events:none;z-index:0;background:radial-gradient(circle,rgba(31,94,255,.10),transparent 65%);filter:blur(12px);transform:translate(-50%,-50%);opacity:0;transition:opacity .25s ease}
body.is-pointer-ready .mouse-glow{opacity:1}
@media (max-width:1100px){
  .overview-premium-head,.overview-premium-stage,.news-premium-grid,.case-premium-hero{grid-template-columns:1fr}
  .stage-side-grid,.news-editorial-board,.case-premium-matrix{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:820px){
  .hero-brief-grid,.stage-master-foot,.stage-side-grid,.news-featured-points,.news-editorial-board,.case-premium-matrix{grid-template-columns:1fr}
  .overview-premium-shell{padding:24px}
  .overview-premium-title h2,.case-premium-copy h3,.news-featured-stage h3{font-size:30px}
}


/* ===== V8 Grand polish ===== */
.hero-grid-grand{grid-template-columns:1.06fr .94fr;align-items:center}
.premium-hero-grand .hero-copy h1{font-size:clamp(44px,5.8vw,76px);line-height:1.03;letter-spacing:-.055em;max-width:10.5em}
.premium-hero-grand .hero-text{max-width:52rem;font-size:17px;line-height:2;color:#4b6180}
.hero-trust-strip{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:24px}
.hero-trust-strip div{padding:16px 18px;border-radius:18px;background:rgba(255,255,255,.76);border:1px solid rgba(210,220,236,.92);box-shadow:0 14px 30px rgba(31,94,255,.06)}
.hero-trust-strip strong{display:block;margin-bottom:6px;font-size:15px}
.hero-trust-strip span{display:block;color:var(--muted);font-size:13px;line-height:1.75}
.grand-panel{padding:28px;border-radius:34px}
.executive-board{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin:18px 0 20px}
.exec-card{padding:20px;border-radius:22px;background:rgba(255,255,255,.76);border:1px solid rgba(211,220,236,.9)}
.exec-card span{display:block;margin-bottom:8px;color:var(--muted);font-size:12px}
.exec-card strong{display:block;font-size:22px;line-height:1.35;margin-bottom:8px}
.exec-card p{margin:0;color:#4f6583;line-height:1.8;font-size:14px}
.metric-three{grid-template-columns:repeat(3,1fr)}
.executive-metrics div{background:rgba(255,255,255,.7);border:1px solid rgba(211,221,236,.88)}
.hero-quote{margin:18px 0 0;padding:18px 20px;border-radius:22px;background:linear-gradient(180deg,rgba(13,28,58,.88),rgba(20,44,93,.9));color:#f7fbff;font-size:16px;line-height:1.9;border:1px solid rgba(255,255,255,.06)}
.overview-grand-shell{padding:42px}
.grand-note strong{font-size:28px}
.overview-command{display:grid;grid-template-columns:.92fr 1.08fr;gap:18px;margin:0 0 18px;padding:24px;border-radius:28px;background:linear-gradient(135deg,#102141,#173463 62%,#214aa1 100%);color:#fff;box-shadow:0 24px 54px rgba(16,33,65,.18)}
.command-copy h3{margin:8px 0 12px;font-size:30px;line-height:1.2}
.command-copy p{margin:0;color:rgba(255,255,255,.82);line-height:1.9}
.command-kicker{display:inline-flex;padding:8px 14px;border-radius:999px;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.14);font-size:12px;letter-spacing:.08em}
.command-line{display:grid;grid-template-columns:1fr 1fr;gap:14px;align-content:center}
.command-line div{padding:18px;border-radius:18px;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.12);backdrop-filter:blur(6px)}
.command-line strong{display:block;margin-bottom:10px;font-size:28px}
.command-line span{display:block;color:rgba(255,255,255,.82);line-height:1.7;font-size:14px}
.news-premium-section .news-list-refined{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:20px}
.news-list-refined .news-item{padding:24px;border-radius:28px;background:linear-gradient(180deg,#fff,#f7faff);border:1px solid rgba(209,219,235,.9);box-shadow:0 18px 38px rgba(18,58,158,.06)}
.news-list-refined .news-item h3{margin:14px 0 10px;font-size:24px;line-height:1.35}
.news-list-refined .news-item p{margin:0 0 16px;color:var(--muted);line-height:1.9}
.news-list-refined .news-item a{display:inline-flex;align-items:center;gap:8px;color:var(--brand);font-weight:700}
.case-premium-hero-upgraded{padding:28px}
.case-insight-board{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:20px}
.case-insight-board div{padding:16px 18px;border-radius:18px;background:#fff;border:1px solid rgba(210,220,236,.92)}
.case-insight-board strong{display:block;margin-bottom:8px;font-size:16px}
.case-insight-board span{display:block;color:var(--muted);line-height:1.75;font-size:13px}
.case-executive-row{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin:20px 0}
.case-executive-row article{padding:22px 24px;border-radius:24px;background:linear-gradient(180deg,#fff,#f7faff);border:1px solid rgba(209,220,236,.9);box-shadow:0 18px 38px rgba(18,58,158,.06)}
.case-executive-row span{display:inline-flex;width:44px;height:44px;align-items:center;justify-content:center;border-radius:14px;background:linear-gradient(135deg,#1f5eff,#8eb0ff);color:#fff;font-weight:800;margin-bottom:14px}
.case-executive-row strong{display:block;font-size:18px;line-height:1.65}
.site-footer{position:relative;overflow:hidden}
.site-footer::before{content:"";position:absolute;left:-120px;bottom:-160px;width:340px;height:340px;border-radius:50%;background:radial-gradient(circle,rgba(31,94,255,.14),transparent 68%)}
.site-footer::after{content:"";position:absolute;right:-120px;top:-140px;width:300px;height:300px;border-radius:50%;background:radial-gradient(circle,rgba(125,163,255,.12),transparent 68%)}
.footer-top,.footer-bottom{position:relative;z-index:1}
.footer-bottom{padding-top:18px;border-top:1px solid rgba(255,255,255,.08)}
@media (max-width:1100px){
  .hero-grid-grand,.overview-command,.news-premium-grid,.case-premium-hero-upgraded{grid-template-columns:1fr}
  .news-premium-section .news-list-refined{grid-template-columns:1fr}
}
@media (max-width:820px){
  .premium-hero-grand .hero-copy h1{font-size:38px}
  .hero-trust-strip,.executive-board,.case-insight-board,.case-executive-row,.command-line{grid-template-columns:1fr}
  .metric-three{grid-template-columns:1fr}
}