:root{
  --brand: rgb(70,139,223);
  --brand-dark:#1f5fba;
  --ink:#132238;
  --muted:#607089;
  --line:#d9e7f7;
  --soft:#f3f8ff;
  --soft-2:#eef6ff;
  --paper:#ffffff;
  --shadow:0 18px 55px rgba(38,83,138,.12);
  --radius:24px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;color:var(--ink);background:linear-gradient(180deg,#f7fbff 0%,#fff 34%,#f8fbff 100%);line-height:1.72;overflow-x:hidden}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.site-header{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.86);backdrop-filter:blur(18px);border-bottom:1px solid rgba(210,226,246,.72)}
.nav-shell{max-width:1180px;margin:0 auto;padding:14px 18px;display:flex;align-items:center;justify-content:space-between;gap:18px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;letter-spacing:.02em}.brand-logo{width:34px;height:34px;object-fit:contain}.brand-text{font-size:17px}.site-nav{display:none;gap:6px;align-items:center}.site-nav a{padding:10px 13px;border-radius:999px;color:#314866;font-size:14px}.site-nav a:hover{background:var(--soft);color:var(--brand-dark)}
.nav-toggle{width:42px;height:42px;border:1px solid var(--line);background:#fff;border-radius:14px;display:grid;place-content:center;gap:4px}.nav-toggle span{display:block;width:18px;height:2px;background:#25405f;border-radius:8px}.site-nav.is-open{display:grid;position:absolute;top:64px;left:16px;right:16px;padding:14px;background:#fff;border:1px solid var(--line);border-radius:20px;box-shadow:var(--shadow)}
.section,.page-hero,.magazine-hero,.brand-statement,.story-timeline,.chapter-index,.cta-section{max-width:1180px;margin:0 auto;padding:56px 18px}.narrow{max-width:900px}.eyebrow,.badge{display:inline-flex;align-items:center;gap:8px;padding:7px 12px;border-radius:999px;background:#eaf4ff;color:var(--brand-dark);font-size:13px;font-weight:700;letter-spacing:.04em}.section-kicker{font-size:13px;color:var(--brand);font-weight:800;letter-spacing:.18em;text-transform:uppercase}.section-title{font-size:clamp(30px,5vw,58px);line-height:1.05;margin:12px 0 18px;letter-spacing:-.04em}.section-lead{font-size:18px;color:var(--muted);max-width:760px}.download-btn{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:13px 25px;border-radius:999px;background:var(--brand);color:#fff;font-weight:800;box-shadow:0 12px 28px rgba(70,139,223,.28);transition:transform .2s ease,box-shadow .2s ease}.download-btn:hover{transform:translateY(-2px);box-shadow:0 16px 36px rgba(70,139,223,.34)}
.magazine-hero{padding-top:64px;display:grid;gap:34px}.hero-copy h1{font-size:clamp(40px,10vw,82px);line-height:.98;letter-spacing:-.065em;margin:16px 0 20px}.hero-copy p{font-size:18px;color:var(--muted);max-width:690px}.hero-actions{display:flex;flex-wrap:wrap;align-items:center;gap:18px;margin:28px 0}.security-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px}.security-tags span{padding:8px 12px;border:1px solid var(--line);border-radius:999px;background:rgba(255,255,255,.74);font-size:13px;color:#36516f}.product-visual{position:relative;min-height:420px;padding:24px;border-radius:34px;background:radial-gradient(circle at 70% 20%,rgba(70,139,223,.22),transparent 32%),linear-gradient(145deg,#eff7ff,#fff);box-shadow:var(--shadow);overflow:hidden}.product-visual:before{content:"";position:absolute;inset:18px;border:1px solid rgba(70,139,223,.17);border-radius:28px}.app-frame{position:relative;z-index:2;margin:18px auto 0;max-width:250px;filter:drop-shadow(0 28px 36px rgba(19,54,96,.22))}.float-card{position:relative;z-index:3;margin:12px 0 0 auto;max-width:250px;padding:14px 16px;border:1px solid rgba(200,221,245,.9);border-radius:18px;background:rgba(255,255,255,.9);box-shadow:0 14px 32px rgba(40,82,132,.10);font-size:13px;color:#405873}.float-card strong{display:block;color:var(--ink);font-size:15px}.float-left{margin-left:0;margin-right:auto}.float-center{margin-left:auto;margin-right:auto}.brand-statement{padding-top:28px}.statement-box{padding:36px 24px;border-radius:32px;background:linear-gradient(135deg,#fff,#edf6ff);border:1px solid var(--line);box-shadow:var(--shadow)}.statement-quote{font-size:clamp(30px,6vw,60px);line-height:1.08;letter-spacing:-.045em;margin:0 0 22px}.statement-grid{display:grid;gap:18px;color:var(--muted)}.split-section{max-width:1180px;margin:0 auto;padding:60px 18px;display:grid;gap:24px;align-items:center}.split-section.reverse .split-copy{order:2}.split-copy h2{font-size:clamp(30px,5vw,56px);line-height:1.07;letter-spacing:-.04em;margin:10px 0 18px}.split-copy p{color:var(--muted);font-size:17px}.info-panel{padding:26px;border-radius:28px;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow)}.info-panel .metric{display:flex;justify-content:space-between;gap:14px;padding:14px 0;border-bottom:1px solid #e7f0fb}.info-panel .metric:last-child{border-bottom:0}.metric span{color:var(--muted)}.metric b{color:var(--brand-dark)}.story-timeline{position:relative}.timeline-list{display:grid;gap:16px;margin-top:26px}.timeline-item{position:relative;padding:22px;border:1px solid var(--line);border-radius:24px;background:#fff;box-shadow:0 10px 28px rgba(44,83,124,.08)}.timeline-no{font-family:Georgia,serif;font-size:34px;color:rgba(70,139,223,.36);line-height:1}.timeline-item h3{margin:8px 0 8px;font-size:22px}.timeline-item p{margin:0 0 12px;color:var(--muted)}.text-link{color:var(--brand-dark);font-weight:800}.text-link:after{content:" →"}.chapter-index{display:grid;gap:28px}.chapter-list{display:grid;gap:10px}.chapter-row{display:grid;grid-template-columns:auto 1fr;gap:14px;padding:18px 0;border-bottom:1px solid var(--line)}.chapter-row .no{font-family:Georgia,serif;font-size:28px;color:rgba(70,139,223,.5)}.chapter-row h3{margin:0;font-size:20px}.chapter-row p{margin:5px 0 8px;color:var(--muted)}.scenario-story-grid{max-width:1180px;margin:0 auto;padding:60px 18px}.scenario-grid{display:grid;gap:16px;margin-top:26px}.scenario-card{padding:24px;border-radius:28px;background:#fff;border:1px solid var(--line);box-shadow:0 10px 30px rgba(40,85,132,.08)}.scenario-card.wide{background:linear-gradient(135deg,#fff,#eef7ff)}.scenario-card h3{font-size:23px;margin:0 0 10px}.scenario-card p{color:var(--muted);margin:0 0 12px}.risk-panel{max-width:1180px;margin:60px auto;padding:32px 18px}.risk-inner{border-radius:34px;background:linear-gradient(135deg,#eaf5ff,#fff);border:1px solid var(--line);padding:28px;box-shadow:var(--shadow)}.risk-grid{display:grid;gap:14px;margin-top:24px}.risk-item{padding:18px;border-radius:22px;background:rgba(255,255,255,.78);border:1px solid rgba(203,223,246,.85)}.risk-item h3{margin:0 0 8px}.risk-item p{margin:0;color:var(--muted)}.faq-list{display:grid;gap:13px;margin-top:24px}.faq-item{padding:20px;border:1px solid var(--line);border-radius:22px;background:#fff}.faq-item h3{margin:0 0 8px;font-size:18px}.faq-item p{margin:0;color:var(--muted)}.cta-section{text-align:center}.cta-card{padding:34px 22px;border-radius:34px;background:linear-gradient(135deg,#fff,#ebf5ff);border:1px solid var(--line);box-shadow:var(--shadow)}.cta-card h2{font-size:clamp(30px,5vw,54px);line-height:1.1;margin:0 0 14px}.cta-card p{max-width:680px;margin:0 auto 24px;color:var(--muted)}
.page-hero{padding-top:66px}.page-hero h1{font-size:clamp(36px,7vw,68px);line-height:1.02;letter-spacing:-.055em;margin:16px 0}.page-hero p{max-width:760px;color:var(--muted);font-size:18px}.article-layout{max-width:1180px;margin:0 auto;padding:0 18px 70px;display:grid;gap:24px}.article-main{min-width:0;padding:26px;border-radius:30px;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow)}.article-main h2{font-size:26px;margin:8px 0 10px}.article-main p{color:#435772}.article-main ul,.article-main ol{padding-left:22px;color:#435772}.side-note{padding:22px;border-radius:24px;background:#eef7ff;border:1px solid var(--line);align-self:start}.side-note h3{margin-top:0}.check-list{display:grid;gap:10px;margin:18px 0}.check-list div{padding:14px 15px;border-radius:16px;background:#f6fbff;border:1px solid #e0edf9}.steps{counter-reset:step;display:grid;gap:12px;margin:18px 0}.step{counter-increment:step;padding:18px 18px 18px 58px;border-radius:20px;background:#f8fbff;border:1px solid var(--line);position:relative}.step:before{content:counter(step,decimal-leading-zero);position:absolute;left:16px;top:16px;color:var(--brand);font-weight:900}.notice{padding:18px 20px;margin:20px 0;border-left:4px solid var(--brand);background:#eff7ff;border-radius:0 18px 18px 0;color:#34516f}.download-block{margin-top:28px}.download-note{font-size:14px;color:var(--muted);margin-top:10px}.download-steps{display:grid;gap:12px;margin-top:22px}.download-step{display:grid;grid-template-columns:auto 1fr;gap:14px;align-items:start;padding:16px;border:1px solid var(--line);border-radius:20px;background:#fff}.download-step b{width:34px;height:34px;border-radius:12px;background:var(--soft);display:grid;place-content:center;color:var(--brand-dark)}.about-grid{display:grid;gap:18px;margin-top:22px}.about-card{padding:22px;border:1px solid var(--line);border-radius:24px;background:#fff}.about-card h2{margin-top:0}.site-footer{margin-top:30px;background:#10243d;color:#dbe8f7}.footer-inner{max-width:1180px;margin:0 auto;padding:38px 18px;display:grid;gap:26px}.footer-brand{font-size:20px;font-weight:900;color:#fff}.footer-inner p{max-width:540px;color:#aebfd2}.footer-links{display:grid;gap:10px}.footer-links a{color:#dbe8f7}.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding:16px 18px;text-align:center;color:#9eb0c4;font-size:13px}.gradient-bg{background:linear-gradient(135deg,#f3f8ff,#fff)}
@media (min-width:720px){.section,.page-hero,.magazine-hero,.brand-statement,.story-timeline,.chapter-index,.cta-section{padding-left:28px;padding-right:28px}.scenario-story-grid,.split-section,.risk-panel,.article-layout{padding-left:28px;padding-right:28px}.scenario-grid{grid-template-columns:repeat(2,1fr)}.scenario-card.wide{grid-column:span 2}.statement-grid{grid-template-columns:1fr 1fr}.about-grid{grid-template-columns:repeat(2,1fr)}.footer-inner{grid-template-columns:1fr auto}.footer-links{grid-template-columns:repeat(2,auto);column-gap:24px}}
@media (min-width:980px){.nav-toggle{display:none}.site-nav{display:flex}.magazine-hero{grid-template-columns:minmax(0,1.08fr) minmax(360px,.92fr);align-items:center;padding-top:86px}.product-visual{min-height:570px}.app-frame{max-width:310px}.float-card:nth-of-type(1){position:absolute;top:36px;right:30px}.float-card:nth-of-type(2){position:absolute;bottom:78px;left:24px}.float-card:nth-of-type(3){position:absolute;bottom:28px;right:38px}.statement-box{padding:56px}.split-section{grid-template-columns:1fr 1fr;padding-top:72px;padding-bottom:72px}.split-section.reverse .split-copy{order:0}.timeline-list{grid-template-columns:1fr 1fr;gap:24px 64px;position:relative}.timeline-list:before{content:"";position:absolute;left:50%;top:0;bottom:0;width:1px;background:var(--line)}.timeline-item:nth-child(even){transform:translateY(42px)}.chapter-index{grid-template-columns:.82fr 1.18fr;align-items:start}.scenario-grid{grid-template-columns:1.2fr .8fr .8fr}.scenario-card.wide{grid-column:span 1;grid-row:span 2}.risk-grid{grid-template-columns:repeat(3,1fr)}.article-layout{grid-template-columns:minmax(0,1fr) 310px}.article-main{padding:38px}.download-steps{grid-template-columns:repeat(4,1fr)}.about-grid{grid-template-columns:repeat(3,1fr)}}