:root{--bg:#F5F7FF;--nav:rgba(12,18,40,.94);--title:#131A35;--primary:#5B6CFF;--deep:#16213E;--cyan:#00D4FF;--gold:#FFC857;--rose:#D94F70;--text:#1F2740;--muted:#66708A;--soft:#9AA4BA;--card:#fff;--line:rgba(91,108,255,.18);--shadow:0 20px 46px rgba(25,43,91,.14);--radius:24px;--max:1240px}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font-family:"PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;line-height:1.75;overflow-x:hidden}body.drawer-open{overflow:hidden}img{display:block;max-width:100%;height:auto;object-fit:contain}a{color:inherit}.skip-link{position:fixed;left:12px;top:-60px;z-index:12000;padding:8px 14px;background:#fff;color:var(--primary);border-radius:10px}.skip-link:focus{top:12px}
.site-header{position:sticky;top:0;width:100%;z-index:9999;background:var(--nav);backdrop-filter:blur(12px);box-shadow:0 8px 26px rgba(25,43,91,.16)}.header-inner{max-width:var(--max);min-height:72px;margin:auto;padding:0 20px;display:flex;align-items:center;justify-content:space-between;gap:20px}.site-logo{display:inline-flex;align-items:center;gap:10px;color:#fff;text-decoration:none;white-space:nowrap}.site-logo img{width:42px;height:42px}.site-logo strong{font-size:20px}.nav-core{display:flex;align-items:center;justify-content:center;gap:5px;flex:1}.nav-core a{padding:8px 12px;border-radius:999px;color:#EEF2FF;text-decoration:none;white-space:nowrap;font-size:15px}.nav-core a:hover,.nav-core a.active{background:rgba(0,212,255,.16);color:#fff}.header-actions{display:flex;align-items:center;gap:10px}.main-btn,.secondary-btn{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:0 24px;border-radius:999px;text-decoration:none;font-weight:700}.main-btn{color:#fff;background:linear-gradient(135deg,#5B6CFF 0%,#7A5CFF 48%,#00D4FF 100%);box-shadow:0 14px 32px rgba(91,108,255,.22);transition:.2s}.main-btn:hover{transform:translateY(-2px)}.main-btn.small{min-height:42px;padding:0 18px;font-size:14px}.secondary-btn{color:var(--primary);background:#fff;border:1px solid var(--line)}.text-link{color:var(--primary);font-weight:700;text-decoration:none}.text-link:hover{text-decoration:underline}.menu-toggle{width:42px;height:42px;padding:10px;border:0;border-radius:50%;background:rgba(255,255,255,.1);display:flex;flex-direction:column;justify-content:center;gap:4px;cursor:pointer}.menu-toggle span{height:2px;background:#fff;border-radius:2px}.mobile-menu-toggle{display:none}
.drawer-overlay{position:fixed;inset:0;z-index:10000;background:rgba(7,12,31,.56);opacity:0;transition:.22s}.drawer-overlay.show{opacity:1}.site-drawer{position:fixed;right:0;top:0;z-index:10001;width:min(390px,88vw);height:100dvh;padding:24px;background:#fff;box-shadow:-24px 0 70px rgba(9,18,52,.2);transform:translateX(105%);transition:.26s;overflow-y:auto}.site-drawer.open{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{display:flex;align-items:center;gap:10px;color:var(--title);font-size:20px;font-weight:800;text-decoration:none}.drawer-brand img{width:40px;height:40px}.drawer-close{width:42px;height:42px;border:0;border-radius:50%;background:#F0F3FF;color:var(--title);font-size:28px;cursor:pointer}.drawer-nav{display:grid;grid-template-columns:1fr 1fr;gap:10px;padding:22px 0}.drawer-nav a{padding:11px 13px;border-radius:14px;background:#F7F8FF;border:1px solid rgba(91,108,255,.12);text-decoration:none}.drawer-nav a:hover{color:var(--primary);border-color:var(--line)}.drawer-note{padding:18px;border-radius:18px;background:linear-gradient(135deg,#EFF8FF,#FFF4F9);border:1px solid var(--line)}.drawer-note p{margin:7px 0 0;color:var(--muted);font-size:14px}
.container{width:min(var(--max),calc(100% - 40px));margin:auto}.section{padding:82px 0}.section.compact{padding:56px 0}.section-kicker{display:inline-flex;align-items:center;gap:8px;margin-bottom:10px;color:var(--primary);font-size:14px;font-weight:800;letter-spacing:.1em}.section-kicker:before{content:"";width:28px;height:3px;border-radius:3px;background:linear-gradient(90deg,var(--gold),var(--cyan))}.section-title{margin:0;color:var(--title);font-size:clamp(30px,4vw,48px);line-height:1.18}.section-lead{max-width:760px;margin:18px 0 0;color:var(--muted);font-size:17px}.section-head{display:flex;align-items:end;justify-content:space-between;gap:24px;margin-bottom:34px}.card,.review-card{background:#fff;border:1px solid var(--line);box-shadow:var(--shadow);border-radius:var(--radius)}
.hero{position:relative;overflow:hidden;padding:76px 0 56px;background:radial-gradient(circle at 14% 20%,rgba(122,92,255,.18),transparent 30%),radial-gradient(circle at 86% 25%,rgba(0,212,255,.18),transparent 30%),linear-gradient(145deg,#F7F4FF,#EEF9FF 55%,#FFF5FA)}.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;align-items:center;gap:54px}.hero-copy h1{margin:0;color:var(--title);font-size:clamp(52px,8vw,92px);line-height:.95;letter-spacing:-.05em}.hero-copy h2{margin:22px 0 0;color:var(--deep);font-size:clamp(24px,3.5vw,40px);line-height:1.25}.hero-copy p{margin:24px 0 0;color:var(--muted);font-size:17px}.hero-actions,.hero-tags{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}.hero-tags span{padding:8px 13px;border-radius:999px;background:rgba(255,255,255,.75);border:1px solid var(--line);font-size:14px}.hero-visual{position:relative;min-height:510px;display:flex;align-items:center;justify-content:center}.hero-visual>img{max-height:530px;filter:drop-shadow(0 28px 50px rgba(31,48,102,.22))}.floating-note{position:absolute;padding:12px 15px;border-radius:16px;background:rgba(255,255,255,.92);border:1px solid rgba(91,108,255,.14);box-shadow:0 16px 40px rgba(25,43,91,.16);font-size:14px;font-weight:700}.floating-note.one{left:-12px;top:16%}.floating-note.two{right:-4px;bottom:18%}.floating-note:before{content:"";display:inline-block;width:10px;height:10px;margin-right:9px;border-radius:50%;background:var(--cyan);box-shadow:0 0 0 6px rgba(0,212,255,.12)}
.highlight-strip{padding:22px 0;background:#fff;border-bottom:1px solid rgba(91,108,255,.12)}.highlight-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.highlight-item{padding:18px 20px;border-radius:18px;background:linear-gradient(145deg,#F8FAFF,#EEF7FF);border:1px solid rgba(91,108,255,.12)}.highlight-item strong{display:block;color:var(--title);font-size:17px}.highlight-item p{margin:6px 0 0;color:var(--muted);font-size:14px}.pill-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:14px}.pill-card{display:block;padding:17px 16px;border-radius:18px;background:#fff;border:1px solid var(--line);box-shadow:0 12px 28px rgba(25,43,91,.08);text-decoration:none;transition:.2s}.pill-card:hover{transform:translateY(-3px)}.pill-card strong{display:block;color:var(--title)}.pill-card small{display:block;margin-top:6px;color:var(--muted);line-height:1.5}
.split{display:grid;grid-template-columns:1fr 1fr;gap:30px;align-items:center}.split.reverse .media{order:2}.media-frame{padding:20px;border-radius:30px;background:linear-gradient(145deg,#EEF1FF,#ECFBFF);border:1px solid var(--line);box-shadow:var(--shadow)}.media img{width:100%;max-height:550px}.content h2,.content h3{margin:0;color:var(--title);line-height:1.25}.content h2{font-size:clamp(30px,4vw,46px)}.content p{color:var(--muted)}.content-list{display:grid;gap:12px;margin:22px 0;padding:0;list-style:none}.content-list li{position:relative;padding-left:25px}.content-list li:before{content:"";position:absolute;left:0;top:.75em;width:9px;height:9px;border-radius:50%;background:linear-gradient(135deg,var(--primary),var(--cyan));box-shadow:0 0 0 5px rgba(91,108,255,.1)}.two-cards,.three-cards,.reviews-grid{display:grid;gap:24px}.two-cards{grid-template-columns:1fr 1fr}.three-cards,.reviews-grid{grid-template-columns:repeat(3,1fr)}.feature-card{overflow:hidden}.feature-card img{width:100%;height:260px;padding:15px;background:linear-gradient(145deg,#EEF4FF,#FDF5FF)}.three-cards .feature-card img{height:210px}.feature-card-body{padding:28px}.feature-card h3{margin:0;color:var(--title);font-size:27px}.feature-card p{color:var(--muted)}.mini-points{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin:20px 0}.mini-points span{padding:9px;border-radius:12px;background:#F2F5FF;text-align:center;font-size:13px}.security-panel{display:grid;grid-template-columns:1fr 1fr;gap:26px;padding:30px;border-radius:30px;background:linear-gradient(135deg,#11182F,#16213E);box-shadow:0 24px 55px rgba(17,24,47,.28)}.security-card{display:grid;grid-template-columns:170px 1fr;gap:22px;align-items:center;padding:22px;border-radius:22px;background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.1)}.security-card img{max-height:180px}.security-card h3{margin:0;color:#fff}.security-card p{color:#C9D2EF}.review-card{padding:24px}.review-stars{color:var(--gold);letter-spacing:3px}.review-card p{color:var(--muted)}.review-meta{display:flex;justify-content:space-between;color:var(--soft);font-size:13px}
.faq-list{display:grid;gap:13px}.faq-item{overflow:hidden;border-radius:18px;background:#fff;border:1px solid var(--line)}.faq-question{width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;padding:20px 22px;border:0;background:transparent;color:var(--title);font-size:17px;font-weight:700;text-align:left;cursor:pointer}.faq-question:after{content:"+";font-size:25px;color:var(--primary)}.faq-item.open .faq-question:after{content:"−"}.faq-answer{display:none;padding:0 22px 20px;color:var(--muted)}.faq-item.open .faq-answer{display:block}.notice{padding:28px 30px;border-radius:24px;background:linear-gradient(135deg,#FFF4D6,#EFF8FF);border:1px solid rgba(255,200,87,.45)}.notice h2{margin-top:0;color:var(--title)}.notice p{margin-bottom:0;color:var(--muted)}.about-band{padding:42px;border-radius:30px;background:linear-gradient(135deg,#5B6CFF,#7A5CFF 52%,#00BBDD);color:#fff;box-shadow:0 24px 54px rgba(91,108,255,.28)}.about-band h2{margin:0;color:#fff;font-size:36px}.about-band p{max-width:850px;color:#F2F5FF}.about-band img{max-height:220px;margin:24px auto 0}
.inner-hero{padding:72px 0;background:radial-gradient(circle at 12% 25%,rgba(122,92,255,.18),transparent 28%),radial-gradient(circle at 88% 12%,rgba(0,212,255,.16),transparent 28%),linear-gradient(145deg,#F8F4FF,#ECF8FF)}.inner-hero-grid{display:grid;grid-template-columns:1.08fr .92fr;align-items:center;gap:48px}.breadcrumbs{display:flex;gap:8px;margin-bottom:18px;color:var(--soft);font-size:14px}.breadcrumbs a{color:var(--primary);text-decoration:none}.inner-hero h1{margin:0;color:var(--title);font-size:clamp(40px,6vw,68px);line-height:1.08}.inner-hero p{color:var(--muted);font-size:17px}.inner-hero img{width:100%;max-height:410px;filter:drop-shadow(0 24px 42px rgba(31,48,102,.2))}.article-grid{display:grid;grid-template-columns:minmax(0,1fr) 340px;gap:30px;align-items:start}.article-main{display:grid;gap:24px}.article-card{padding:30px}.article-card h2{margin-top:0;color:var(--title);font-size:28px}.article-card p{color:var(--muted)}.service-list{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;margin-top:20px}.service-item{padding:17px;border-radius:16px;background:#F6F8FF;border:1px solid rgba(91,108,255,.12)}.service-item strong{display:block;color:var(--title)}.service-item span{display:block;margin-top:5px;color:var(--muted);font-size:14px}.sidebar{position:sticky;top:98px;display:grid;gap:20px}.sidebar-card{padding:24px}.sidebar-card h2,.sidebar-card h3{margin-top:0;color:var(--title)}.sidebar-card img{max-height:225px;margin:0 auto 18px}.quick-links{display:grid;gap:10px}.quick-links a{display:flex;justify-content:space-between;padding:11px 13px;border-radius:12px;background:#F7F8FF;text-decoration:none}.quick-links a:after{content:"→";color:var(--primary)}.cta-panel{display:flex;align-items:center;justify-content:space-between;gap:24px;padding:34px;border-radius:28px;background:linear-gradient(135deg,#16213E,#5B6CFF);color:#fff}.cta-panel h2{margin:0;color:#fff}.cta-panel p{margin:8px 0 0;color:#DCE4FF}
.site-footer{padding:64px 0 0;background:#0B1024;color:#EEF2FF}.footer-inner{width:min(var(--max),calc(100% - 40px));margin:auto;display:grid;grid-template-columns:1.5fr repeat(3,1fr);gap:36px}.footer-brand p{max-width:430px;color:#AEB9D9}.footer-logo{margin-bottom:16px}.footer-links h2{margin:6px 0 15px;color:#fff;font-size:16px}.footer-links a{display:block;margin:9px 0;color:#BFC8E5;text-decoration:none}.footer-bottom{margin-top:42px;padding:18px 20px;border-top:1px solid rgba(255,255,255,.08);text-align:center;color:#97A4C8;font-size:13px}.mobile-bottom-nav{display:none}
@media(max-width:1050px){.nav-core{display:none}.mobile-menu-toggle{display:flex}.desktop-menu-toggle{display:none}.hero-grid,.inner-hero-grid{grid-template-columns:1fr}.hero-copy{text-align:center}.hero-actions,.hero-tags{justify-content:center}.hero-visual{min-height:400px}.highlight-grid{grid-template-columns:repeat(2,1fr)}.pill-grid{grid-template-columns:repeat(3,1fr)}.three-cards{grid-template-columns:1fr 1fr}.security-panel{grid-template-columns:1fr}.reviews-grid{grid-template-columns:1fr 1fr}.article-grid{grid-template-columns:1fr}.sidebar{position:static;grid-template-columns:1fr 1fr}.footer-inner{grid-template-columns:1.5fr 1fr 1fr}.footer-links:last-child{grid-column:2/4}}
@media(max-width:760px){body{padding-bottom:76px}.header-inner{min-height:64px;padding:0 12px;gap:10px}.site-logo strong{display:none}.site-logo img{width:38px;height:38px}.main-btn.small{min-height:38px;padding:0 14px;font-size:13px}.section{padding:60px 0}.section.compact{padding:42px 0}.container{width:min(100% - 28px,var(--max))}.hero{padding:54px 0 36px}.hero-grid{gap:28px}.hero-copy h1{font-size:54px}.hero-copy h2{font-size:27px}.hero-copy p{font-size:15px}.hero-visual{min-height:320px}.hero-visual>img{max-height:340px}.floating-note{font-size:12px;padding:9px}.highlight-grid,.pill-grid,.two-cards,.three-cards,.split,.reviews-grid,.sidebar{grid-template-columns:1fr}.section-head{display:block}.section-title{font-size:34px}.security-panel{padding:16px}.security-card{grid-template-columns:100px 1fr;padding:16px}.security-card img{max-height:115px}.feature-card img{height:225px}.article-card{padding:22px}.service-list{grid-template-columns:1fr}.cta-panel{align-items:flex-start;flex-direction:column;padding:26px}.footer-inner{grid-template-columns:1fr 1fr}.footer-brand{grid-column:1/3}.mobile-bottom-nav{position:fixed;left:10px;right:10px;bottom:8px;z-index:9000;display:grid;grid-template-columns:repeat(4,1fr);padding:8px;border-radius:20px;background:rgba(11,16,36,.96);box-shadow:0 14px 36px rgba(8,13,33,.28)}.mobile-bottom-nav a{display:flex;flex-direction:column;align-items:center;gap:2px;color:#D8DFF4;text-decoration:none;font-size:11px}.mobile-bottom-nav span{font-size:18px}}
@media(max-width:460px){.menu-toggle{width:38px;height:38px}.site-logo img{width:34px;height:34px}.hero-copy h1{font-size:48px}.highlight-grid{grid-template-columns:1fr}.mini-points{grid-template-columns:1fr}.drawer-nav{grid-template-columns:1fr}.footer-inner{grid-template-columns:1fr}.footer-brand,.footer-links:last-child{grid-column:auto}.security-card{grid-template-columns:1fr}.about-band{padding:28px}}