:root{--bg:#F5F8FC;--nav:#0A182A;--title:#102033;--brand:#3B82F6;--deep:#172B4D;--ice:#38BDF8;--cyan:#22D3C5;--indigo:#6366F1;--pale:#E9F5FF;--mint:#E8FCFA;--soft:#F0F4F8;--link:#2563EB;--text:#263748;--muted:#657789;--quiet:#8C9AAA;--card:#FFFFFF;--dark-card:#12253A;--line:rgba(59,130,246,.14);--shadow:0 20px 50px rgba(29,78,119,.10);--radius:24px;--max:1240px}
*{box-sizing:border-box}html{scroll-behavior:smooth;overflow-x:hidden}body{margin:0;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;line-height:1.75;overflow-x:hidden}img{max-width:100%;height:auto;display:block}a{color:inherit}p{margin:0 0 1em}h1,h2,h3{color:var(--title);line-height:1.25;margin:0 0 .65em}h1{font-size:clamp(2.2rem,5.5vw,4.8rem);letter-spacing:-.04em}h2{font-size:clamp(1.65rem,3vw,2.65rem);letter-spacing:-.025em}h3{font-size:1.15rem}
.skip-link{position:fixed;left:16px;top:-100px;background:#fff;color:#111;padding:10px 14px;z-index:20000;border-radius:10px}.skip-link:focus{top:12px}
.site-header{position:sticky;top:0;width:100%;z-index:9999;background:rgba(10,24,42,.94);backdrop-filter:blur(16px);box-shadow:0 8px 28px rgba(10,35,60,.12);border-bottom:1px solid rgba(255,255,255,.08)}
.header-inner{max-width:1280px;margin:0 auto;min-height:72px;padding:0 20px;display:flex;align-items:center;justify-content:space-between;gap:18px}.site-logo,.drawer-brand,.footer-logo{display:flex;align-items:center;gap:10px;text-decoration:none;font-weight:800}.site-logo{color:#fff;min-width:168px}.site-logo img{max-height:44px;width:auto}.nav-core{display:flex;align-items:center;gap:4px}.nav-core a{color:#DCEAF7;text-decoration:none;border-radius:999px;padding:8px 12px;font-size:.94rem;white-space:nowrap}.nav-core a:hover,.nav-core a.active{color:#fff;background:rgba(56,189,248,.14)}
.header-actions{display:flex;align-items:center;gap:10px}.main-btn{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:10px 20px;border-radius:999px;background:linear-gradient(135deg,#2563EB 0%,#3B82F6 48%,#22D3C5 100%);color:#fff;text-decoration:none;font-weight:800;box-shadow:0 14px 32px rgba(37,99,235,.20);transition:transform .2s ease,box-shadow .2s ease}.main-btn:hover{transform:translateY(-2px);box-shadow:0 18px 38px rgba(37,99,235,.28)}.main-btn:focus-visible,.text-link:focus-visible,.nav-core a:focus-visible,.menu-button:focus-visible,.drawer-close:focus-visible{outline:3px solid rgba(56,189,248,.65);outline-offset:3px}
.menu-button{width:44px;height:44px;padding:0;border:1px solid rgba(255,255,255,.14);background:rgba(255,255,255,.06);border-radius:14px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:5px;cursor:pointer}.menu-button span{width:19px;height:2px;background:#EAF4FF;border-radius:999px}.mobile-menu-button{display:none}
.drawer-overlay{position:fixed;inset:0;background:rgba(6,16,28,.52);backdrop-filter:blur(4px);z-index:10000;opacity:0;pointer-events:none;transition:.25s}.site-drawer{position:fixed;right:0;top:0;width:min(410px,90vw);height:100dvh;background:#fff;z-index:10001;transform:translateX(102%);transition:transform .28s ease;box-shadow:-24px 0 60px rgba(6,21,36,.18);padding:22px;overflow:auto}.drawer-open{overflow:hidden}.drawer-open .drawer-overlay{opacity:1;pointer-events:auto}.drawer-open .site-drawer{transform:translateX(0)}.drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:18px;border-bottom:1px solid var(--line)}.drawer-brand{color:var(--title)}.drawer-brand img{width:auto;height:40px}.drawer-close{width:42px;height:42px;border:0;border-radius:13px;background:var(--soft);font-size:28px;line-height:1;cursor:pointer;color:var(--deep)}.drawer-links{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin:20px 0}.drawer-links a{padding:10px 12px;border-radius:12px;background:#f7faff;text-decoration:none;color:var(--deep)}.drawer-links a:hover{background:var(--pale);color:var(--link)}.drawer-note{background:linear-gradient(145deg,var(--pale),var(--mint));padding:16px;border-radius:18px}.drawer-note p{font-size:.9rem;color:var(--muted);margin:.35em 0 0}
.section{padding:86px 20px}.section.compact{padding-top:52px;padding-bottom:52px}.container{max-width:var(--max);margin:0 auto}.section-kicker{font-size:.78rem;letter-spacing:.16em;font-weight:900;color:#0284C7;text-transform:uppercase;margin-bottom:10px}.section-heading{max-width:760px;margin-bottom:30px}.section-heading p{color:var(--muted);font-size:1.04rem}
.hero{position:relative;overflow:hidden;padding:72px 20px 62px;background:radial-gradient(circle at 15% 20%,rgba(56,189,248,.20),transparent 24%),radial-gradient(circle at 86% 28%,rgba(99,102,241,.14),transparent 24%),linear-gradient(135deg,#F8FBFF 0%,#EAF7FF 52%,#EBFFFB 100%)}.hero:before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(37,99,235,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(37,99,235,.05) 1px,transparent 1px);background-size:36px 36px;mask-image:linear-gradient(to bottom,rgba(0,0,0,.7),transparent)}.hero-grid{position:relative;z-index:1;max-width:var(--max);margin:0 auto;display:grid;grid-template-columns:1.03fr .97fr;gap:58px;align-items:center}.hero-copy{max-width:650px}.hero-copy .lead{font-size:1.1rem;color:var(--muted);max-width:640px}.hero-actions{display:flex;gap:14px;align-items:center;flex-wrap:wrap;margin:28px 0}.text-link{color:var(--link);font-weight:800;text-decoration:none}.text-link:hover{text-decoration:underline}.hero-points{display:flex;gap:10px;flex-wrap:wrap}.hero-points span{background:rgba(255,255,255,.72);border:1px solid rgba(59,130,246,.15);backdrop-filter:blur(12px);border-radius:999px;padding:7px 12px;font-size:.9rem;color:var(--deep)}.hero-visual{position:relative;min-height:420px}.hero-visual .hero-main{width:100%;max-height:580px;object-fit:contain;border-radius:30px;box-shadow:0 28px 70px rgba(35,85,126,.16)}.hero-float{position:absolute;width:38%;right:-2%;bottom:-4%;padding:9px;background:rgba(255,255,255,.78);border:1px solid rgba(255,255,255,.88);backdrop-filter:blur(18px);border-radius:22px;box-shadow:var(--shadow)}.hero-float img{border-radius:16px}
.highlight-strip{max-width:var(--max);margin:-18px auto 0;position:relative;z-index:2;padding:0 20px}.highlight-inner{background:rgba(255,255,255,.86);border:1px solid rgba(59,130,246,.13);box-shadow:var(--shadow);border-radius:22px;display:grid;grid-template-columns:repeat(4,1fr);backdrop-filter:blur(18px)}.highlight-item{padding:22px}.highlight-item+.highlight-item{border-left:1px solid rgba(59,130,246,.11)}.highlight-item .num{font-size:.78rem;font-weight:900;color:#0284C7;letter-spacing:.1em}.highlight-item strong{display:block;color:var(--title);margin:3px 0 6px}.highlight-item p{font-size:.9rem;color:var(--muted);margin:0}
.channel-cloud{display:flex;gap:12px;flex-wrap:wrap}.channel-pill{display:flex;gap:10px;align-items:flex-start;padding:14px 16px;border:1px solid var(--line);border-radius:20px;background:rgba(255,255,255,.74);text-decoration:none;max-width:340px;transition:.2s}.channel-pill:nth-child(3n+2){background:rgba(232,252,250,.76)}.channel-pill:nth-child(4n){background:rgba(240,244,248,.86)}.channel-pill:hover{transform:translateY(-2px);box-shadow:0 12px 30px rgba(29,78,119,.08)}.channel-pill strong{color:var(--title);white-space:nowrap}.channel-pill span{font-size:.86rem;color:var(--muted)}
.split{display:grid;grid-template-columns:1fr 1fr;gap:38px;align-items:center}.split.reverse .media{order:2}.media img,.content-img,.zone-card img,.app-section img,.hero-visual img{max-width:100%;height:auto;object-fit:contain}.media img,.content-img{border-radius:26px;box-shadow:var(--shadow)}
.editorial{display:grid;grid-template-columns:1.15fr .85fr;gap:36px;align-items:start}.editorial-main{background:#fff;border-radius:30px;padding:26px;box-shadow:var(--shadow);border:1px solid var(--line)}.editorial-main img{border-radius:22px;margin-bottom:24px}.editorial-aside{display:grid;gap:16px}.mini-story{padding:20px;border-bottom:1px solid var(--line)}.mini-story:last-child{border-bottom:0}.mini-story .num{font-weight:900;color:#0284C7;font-size:.8rem}
.dual-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}.zone-card{background:rgba(255,255,255,.90);border:1px solid var(--line);box-shadow:var(--shadow);border-radius:24px;padding:22px}.zone-card.alt{background:linear-gradient(145deg,#EEF7FF,#FBFEFF)}.zone-card.mint{background:linear-gradient(145deg,#E8FCFA,#FBFFFF)}.zone-card.dark{background:var(--dark-card);color:#DDEBFA}.zone-card.dark h2,.zone-card.dark h3{color:#fff}.zone-card img{border-radius:19px;margin-bottom:20px}.service-points{display:grid;gap:10px;margin:18px 0 0}.service-point{display:flex;gap:10px;align-items:flex-start}.service-point b{color:#0284C7}
.triple-grid{display:grid;grid-template-columns:1.05fr .88fr 1.07fr;gap:20px}.news-list{display:grid;gap:10px}.news-row{display:flex;gap:12px;align-items:flex-start;padding:13px 0;border-bottom:1px solid var(--line)}.news-row time{font-weight:900;color:var(--link);min-width:58px}
.security-zone{background:linear-gradient(135deg,#EAF7FF 0%,#F7FBFF 45%,#E9FFFB 100%)}.security-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px}.security-card{background:rgba(255,255,255,.78);border:1px solid rgba(59,130,246,.15);border-radius:28px;padding:22px;backdrop-filter:blur(14px)}.security-card img{border-radius:20px;margin-bottom:18px}
.review-wall{columns:3 280px;column-gap:18px}.review-card{break-inside:avoid;margin:0 0 18px;background:rgba(255,255,255,.9);border:1px solid var(--line);box-shadow:var(--shadow);border-radius:22px;padding:22px}.review-card p{font-size:1rem}.review-card strong{font-size:.86rem;color:var(--muted)}
.faq-list{display:grid;gap:12px}.faq-item{background:#fff;border:1px solid var(--line);border-radius:18px;padding:0 18px}.faq-item summary{cursor:pointer;list-style:none;font-weight:850;color:var(--title);padding:18px 0}.faq-item summary::-webkit-details-marker{display:none}.faq-item summary:after{content:"＋";float:right;color:#0284C7}.faq-item[open] summary:after{content:"－"}.faq-item p{color:var(--muted);padding:0 0 18px;margin:0}
.notice-band{background:#10283C;color:#DCEAF7;border-radius:30px;padding:34px}.notice-band h2{color:#fff}.notice-band a{color:#7DD3FC}
.inner-hero{padding:72px 20px;background:radial-gradient(circle at 78% 22%,rgba(56,189,248,.17),transparent 23%),linear-gradient(135deg,#F8FBFF,#EAF6FF 55%,#EFFDFA)}.inner-hero-grid{max-width:var(--max);margin:0 auto;display:grid;grid-template-columns:1fr .9fr;gap:44px;align-items:center}.inner-hero-copy p{font-size:1.08rem;color:var(--muted)}.inner-hero-media img{border-radius:28px;box-shadow:var(--shadow);max-height:520px;margin-left:auto}
.inner-body{padding:76px 20px}.content-grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.info-card{background:rgba(255,255,255,.9);border:1px solid var(--line);box-shadow:var(--shadow);border-radius:22px;padding:22px}.info-card .index{font-size:.8rem;letter-spacing:.12em;color:#0284C7;font-weight:900}.info-card p{color:var(--muted)}
.soft-panel{background:linear-gradient(145deg,#EEF7FF,#FFFFFF);border-radius:28px;padding:30px;border:1px solid var(--line)}.mint-panel{background:linear-gradient(145deg,#E8FCFA,#FFFFFF);border-radius:28px;padding:30px;border:1px solid rgba(34,211,197,.18)}.deep-panel{background:#12253A;border-radius:28px;padding:30px;color:#DCEAF7}.deep-panel h2,.deep-panel h3{color:#fff}
.steps{counter-reset:steps;display:grid;gap:14px}.step{position:relative;padding:18px 18px 18px 68px;background:#fff;border:1px solid var(--line);border-radius:18px}.step:before{counter-increment:steps;content:counter(steps,decimal-leading-zero);position:absolute;left:18px;top:17px;font-weight:900;color:#0284C7}.tag-cloud{display:flex;flex-wrap:wrap;gap:9px;margin:18px 0}.tag-cloud span{padding:7px 11px;border-radius:999px;background:var(--pale);color:#0369A1;font-size:.88rem}.timeline{display:grid;gap:14px}.timeline-item{display:grid;grid-template-columns:80px 1fr;gap:16px;padding-bottom:16px;border-bottom:1px solid var(--line)}.timeline-item .time{font-weight:900;color:var(--link)}
.page-review{display:grid;grid-template-columns:auto 1fr;gap:18px;align-items:start;background:#fff;border:1px solid var(--line);border-radius:24px;padding:24px;box-shadow:var(--shadow)}.page-review .quote{font-size:2.4rem;line-height:1;color:#38BDF8}.article-copy{max-width:850px}.article-copy p{color:var(--muted)}
.site-footer{background:#0C1B2A;color:#EAF4FF;padding:62px 20px 26px}.footer-inner{max-width:var(--max);margin:0 auto;display:grid;grid-template-columns:1.4fr repeat(3,.8fr);gap:36px}.footer-brand p{color:#B9CCDD;max-width:460px}.footer-logo{color:#fff;font-size:1.15rem;margin-bottom:16px}.footer-logo img{height:40px;width:auto}.footer-group{display:grid;align-content:start;gap:8px}.footer-group h2{font-size:1rem;color:#fff;margin-bottom:8px}.footer-group a{color:#C9D9E8;text-decoration:none;font-size:.92rem}.footer-group a:hover{color:#7DD3FC}.footer-bottom{max-width:var(--max);margin:38px auto 0;padding-top:22px;border-top:1px solid rgba(255,255,255,.08);display:flex;justify-content:space-between;gap:24px;color:#94AFC4;font-size:.85rem}.mobile-bottom-nav{display:none}
@media (max-width:1040px){.nav-core{display:none}.header-inner{min-height:68px}.hero-grid,.inner-hero-grid{grid-template-columns:1fr 1fr;gap:32px}.highlight-inner{grid-template-columns:1fr 1fr}.highlight-item:nth-child(3){border-left:0;border-top:1px solid rgba(59,130,246,.11)}.highlight-item:nth-child(4){border-top:1px solid rgba(59,130,246,.11)}.triple-grid{grid-template-columns:1fr 1fr}.triple-grid>:last-child{grid-column:1/-1}.footer-inner{grid-template-columns:1.2fr 1fr 1fr}.footer-group:last-child{grid-column:2/4}}
@media (max-width:760px){body{padding-bottom:72px}.section{padding:60px 16px}.section.compact{padding:40px 16px}.header-inner{padding:0 12px;gap:8px}.mobile-menu-button{display:flex;order:0;flex:0 0 42px}.site-logo{order:1;min-width:0;justify-content:center;flex:1}.site-logo img{max-height:38px;max-width:42px}.site-logo strong{display:none}.header-actions{order:2}.desktop-menu-button{display:none}.header-cta{min-height:40px;padding:8px 13px;font-size:.86rem}.hero{padding:48px 16px 44px}.hero-grid,.inner-hero-grid,.split,.editorial,.dual-grid,.security-grid,.content-grid-3{grid-template-columns:1fr}.hero-visual{min-height:0}.hero-float{width:42%;right:2%;bottom:-6%}.highlight-strip{padding:0 12px;margin-top:0}.highlight-inner{grid-template-columns:1fr}.highlight-item+.highlight-item{border-left:0;border-top:1px solid rgba(59,130,246,.11)}.triple-grid{grid-template-columns:1fr}.triple-grid>:last-child{grid-column:auto}.split.reverse .media{order:0}.review-wall{columns:1}.inner-hero{padding:48px 16px}.inner-hero-media img{margin:0 auto;max-height:420px}.inner-body{padding:58px 16px}.footer-inner{grid-template-columns:1fr 1fr}.footer-brand{grid-column:1/-1}.footer-group:last-child{grid-column:auto}.footer-bottom{flex-direction:column}.mobile-bottom-nav{position:fixed;display:grid;grid-template-columns:repeat(4,1fr);left:10px;right:10px;bottom:max(10px,env(safe-area-inset-bottom));z-index:9000;background:rgba(12,27,42,.94);backdrop-filter:blur(16px);border:1px solid rgba(255,255,255,.08);border-radius:18px;box-shadow:0 16px 40px rgba(3,15,28,.2);overflow:hidden}.mobile-bottom-nav a{padding:8px 4px;color:#DCEAF7;text-decoration:none;font-size:.76rem;text-align:center}.mobile-bottom-nav span{display:block;font-size:1rem;color:#7DD3FC}}
@media (max-width:480px){h1{font-size:2.45rem}.drawer-links{grid-template-columns:1fr}.footer-inner{grid-template-columns:1fr}.footer-brand{grid-column:auto}.hero-points{display:grid;grid-template-columns:1fr}.hero-float{position:relative;width:54%;margin:-28px 0 0 auto;right:auto;bottom:auto}.timeline-item{grid-template-columns:64px 1fr}}
@media (prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}

/* 内页按内容类型形成差异化节奏 */
.layout-magazine .inner-hero-grid{grid-template-columns:.82fr 1.18fr}
.layout-magazine .inner-body{background:linear-gradient(180deg,#F5F8FC,#EEF7FF)}
.layout-profile .inner-body,.layout-message .inner-body{background:#EEF7FF}
.layout-tags .inner-hero,.layout-calm .inner-hero{background:linear-gradient(135deg,#F7FBFF,#E8FCFA)}
.layout-topics .content-grid-3{grid-template-columns:1.2fr .9fr .9fr}
.layout-editorial .inner-hero-grid{grid-template-columns:1.12fr .88fr}
.layout-timeline .inner-body{background:linear-gradient(180deg,#F5F8FC,#F0F4F8)}
.layout-product .inner-hero-media img{max-height:600px}
.layout-product .inner-body{background:linear-gradient(180deg,#EAF7FF,#F7FBFF)}
.layout-security .inner-hero,.layout-privacy .inner-hero{background:linear-gradient(135deg,#EFF8FF,#E9F5FF 58%,#E8FCFA)}
.layout-help .content-grid-3,.layout-service .content-grid-3{grid-template-columns:1fr 1fr 1fr}
.layout-contact .inner-body{background:#F0F4F8}
.layout-about .inner-hero-grid{grid-template-columns:.95fr 1.05fr}
@media(max-width:760px){
  .layout-magazine .inner-hero-grid,.layout-topics .content-grid-3,.layout-editorial .inner-hero-grid,.layout-about .inner-hero-grid{grid-template-columns:1fr}
}