:root{--blue:#1677ff;--blue-2:#0e61ea;--navy:#102c63;--text:#52617c;--line:#e7eef8;--pale:#f5faff;--white:#fff;--shadow:0 9px 24px rgba(37,92,155,.11)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--navy);font-family:"Noto Sans SC","Microsoft YaHei",sans-serif;background:#fff}a{color:inherit;text-decoration:none}button{font:inherit}.container{width:min(1180px,calc(100% - 40px));margin:auto}.site-header{position:absolute;z-index:20;width:100%;top:16px}.nav-shell{height:66px;padding:0 20px;display:flex;align-items:center;justify-content:space-between;background:rgba(255,255,255,.92);box-shadow:0 8px 30px rgba(48,98,153,.13);border:1px solid rgba(255,255,255,.8);border-radius:8px;backdrop-filter:blur(14px)}.brand{display:flex;align-items:center;gap:10px;font-size:20px}.brand-mark{width:32px;height:32px;color:#fff;background:linear-gradient(145deg,#35b5ff,#176df2);display:grid;place-items:center;clip-path:polygon(50% 0,94% 25%,94% 75%,50% 100%,6% 75%,6% 25%)}.brand-mark svg{width:19px}.desktop-nav{display:flex;gap:42px;color:#344564;font-size:14px}.desktop-nav a{transition:.2s}.desktop-nav a:hover{color:var(--blue)}.nav-actions{display:flex;align-items:center;gap:12px}.btn{min-width:126px;height:46px;padding:0 24px;border-radius:5px;display:inline-flex;align-items:center;justify-content:center;font-size:14px;font-weight:600;transition:.2s}.btn:hover{transform:translateY(-2px)}.btn.small{height:36px;min-width:94px;padding:0 15px}.btn-primary{color:#fff;background:linear-gradient(135deg,#2788ff,#0e60ed);box-shadow:0 8px 18px rgba(20,110,241,.24)}.btn-outline{color:var(--blue);background:#fff;border:1px solid var(--blue)}.menu-button,.mobile-nav{display:none}
.hero{min-height:560px;padding:126px 0 52px;overflow:hidden;background:radial-gradient(circle at 72% 45%,rgba(125,202,255,.28),transparent 31%),linear-gradient(135deg,#f6fbff 0%,#fff 46%,#eaf6ff 100%);position:relative}.hero:after{content:"";position:absolute;inset:auto -10% -40% 38%;height:390px;background:linear-gradient(145deg,transparent 30%,rgba(170,216,255,.23));transform:skewY(-8deg);pointer-events:none}.hero-grid{display:grid;grid-template-columns:1fr 1.08fr;align-items:center}.hero-copy{position:relative;z-index:2}.eyebrow{font-size:12px;color:#408af1;letter-spacing:2px;font-weight:700}.hero h1{margin:14px 0 20px;font-size:42px;line-height:1.42;letter-spacing:0;font-weight:800}.hero-copy p{max-width:570px;margin:0 0 30px;color:var(--text);font-size:16px;line-height:1.9}.hero-actions{display:flex;gap:14px}.hero-visual{height:380px;position:relative;z-index:1}.platform{position:absolute;left:50%;bottom:15px;width:430px;height:170px;transform:translateX(-50%);border-radius:50%;background:linear-gradient(180deg,#f8fdff 0 31%,#c7e8ff 32% 61%,#80c7ff 62% 71%,#c1e6ff 72%);box-shadow:0 25px 38px rgba(59,143,218,.28)}.platform:before{content:"";position:absolute;inset:8px 26px 52px;border:1px solid #d6efff;border-radius:50%;background:rgba(255,255,255,.7)}.platform span{position:absolute;width:65px;height:110px;bottom:64px;background:linear-gradient(160deg,rgba(255,255,255,.93),rgba(202,234,255,.82));border:1px solid rgba(255,255,255,.9);box-shadow:0 8px 20px rgba(72,146,206,.12)}.platform span:first-child{left:28px}.platform span:last-child{right:26px}.phone{position:absolute;z-index:3;left:50%;top:10px;width:154px;height:276px;padding:34px 17px 18px;text-align:center;transform:translateX(-50%) rotate(6deg);border:8px solid #4e9ff1;border-radius:24px;background:linear-gradient(165deg,#2094ff,#e6f7ff);box-shadow:15px 16px 18px rgba(29,115,204,.26),inset 0 0 0 3px rgba(255,255,255,.35)}.speaker{position:absolute;top:9px;left:57px;width:40px;height:5px;border-radius:5px;background:#227ac9}.phone-title{color:#fff;font-size:18px;margin-bottom:17px;text-shadow:0 1px 4px rgba(0,67,155,.3)}.phone small{display:block;color:#2679c8;margin-top:13px}.qr{width:104px;height:104px;padding:8px;margin:auto;display:grid;grid-template-columns:repeat(3,1fr);gap:5px;background:#fff;border-radius:5px}.qr span{background:#124e8e}.qr span:nth-child(2),.qr span:nth-child(4),.qr span:nth-child(8){background:#fff;border:4px solid #124e8e}.orbit{position:absolute;inset:0;z-index:4;pointer-events:none}.pay-bubble{position:absolute;width:54px;height:54px;border:7px solid rgba(255,255,255,.7);border-radius:50%;display:grid;place-items:center;color:#fff;font-weight:800;box-shadow:0 7px 20px rgba(51,126,191,.16)}.wechat{right:51px;top:93px;background:#23c369}.ali{left:70px;top:62px;background:#168be8;font-size:25px}.union{right:20px;bottom:76px;background:linear-gradient(135deg,#ea3d52,#1677c8);font-size:13px}.card{left:22px;bottom:63px;background:#1c426f}.data-card{position:absolute;z-index:2;width:75px;height:112px;bottom:95px;border-radius:4px;background:rgba(255,255,255,.72);color:#35a0f4;display:grid;place-items:center;box-shadow:0 10px 20px rgba(77,143,198,.12);transform:perspective(200px) rotateY(17deg)}.data-card svg{width:40px;height:40px}.data-card.left{left:120px}.data-card.right{right:115px;transform:perspective(200px) rotateY(-17deg)}
.section{padding:54px 0}.channel-strip{padding:24px 0 8px}.section-heading{text-align:center;margin-bottom:26px}.section-heading h2{font-size:25px;margin:0;color:var(--navy)}.section-heading h2:before,.section-heading h2:after{content:"•••";font-size:12px;letter-spacing:2px;color:#68a9ff;margin:0 16px;vertical-align:middle}.section-heading p{color:var(--text);font-size:14px;margin:9px 0 0}.section-heading.compact{margin-bottom:20px}.channels{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.channel{height:72px;display:flex;align-items:center;justify-content:center;gap:10px;border:1px solid #ecf1f8;border-radius:6px;box-shadow:0 7px 16px rgba(39,86,135,.1);background:#fff;color:#1f2f4e;font-size:17px}.channel-logo{width:35px;height:35px;display:grid;place-items:center;color:#fff;border-radius:11px;font-weight:800}.channel-logo.green{background:#20bf4a;border-radius:50%}.channel-logo.blue{background:#148bea}.channel-logo.red{background:#e84149}.channel-logo.navy{background:#1b528d}.channel small{display:block;font-size:7px;letter-spacing:1px}.feature-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.feature-card{text-align:center;padding:30px 18px 22px;border:1px solid #e7eff8;border-radius:6px;background:#fff;box-shadow:var(--shadow)}.feature-icon{width:64px;height:64px;margin:auto;display:grid;place-items:center;color:var(--blue);border-radius:50%;background:linear-gradient(145deg,#eaf5ff,#fff)}.feature-icon svg{width:42px;height:42px;stroke-width:1.8}.feature-card h3{font-size:20px;margin:14px 0 8px}.feature-card p{min-height:52px;margin:0;color:#748099;font-size:13px;line-height:1.7}.feature-card a,.solution-grid a{display:inline-flex;align-items:center;gap:5px;color:var(--blue);font-size:13px;font-weight:600}.feature-card a svg,.solution-grid a svg{width:14px}.security{padding-top:20px;background:linear-gradient(180deg,#fff,#fbfdff)}.cert-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.cert-card{min-height:138px;padding:17px;display:flex;gap:20px;align-items:center;border:1px solid #e7eff8;border-radius:6px;background:#fff;box-shadow:var(--shadow)}.certificate{flex:0 0 88px;height:104px;padding:11px 5px;border:4px double currentColor;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:8px;text-align:center;font-size:10px;background:#fff}.certificate svg{width:31px}.certificate.gold{color:#bf8a35}.certificate.gray{color:#77869b}.certificate.blue-cert{color:#3076d8}.certificate.cyan{color:#269bb6}.certificate.silver{color:#71899f}.certificate.red-cert{color:#d84c55}.cert-card h3{font-size:16px;line-height:1.5;margin:0 0 8px}.cert-card p{font-size:12px;line-height:1.55;color:#748099;margin:0}.guarantees{display:grid;grid-template-columns:repeat(4,1fr);margin-top:45px;text-align:center}.guarantees>div{padding:0 15px}.guarantees svg{color:var(--blue);width:40px;height:40px;stroke-width:1.8}.guarantees h3{font-size:16px;margin:11px 0 6px}.guarantees p{font-size:12px;color:#7b879c;line-height:1.7;margin:0}.stats-section{padding:0 0 14px}.stats{height:110px;padding:0 38px;display:grid;grid-template-columns:repeat(4,1fr);align-items:center;text-align:center;border-radius:7px;background:linear-gradient(110deg,#e7f4ff,#fbfdff 45%,#e7f3ff);box-shadow:0 8px 22px rgba(50,116,180,.1)}.stats strong{display:block;color:#123873;font-size:34px}.stats span{display:block;color:#53637d;font-size:13px;margin-top:3px}.solutions{padding-bottom:38px}.solution-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.solution-grid article{min-height:165px;padding:28px 24px;display:flex;align-items:center;justify-content:space-between;border:1px solid #ecf2f9;border-radius:6px;background:linear-gradient(120deg,#fff,#f2f8ff);box-shadow:0 7px 19px rgba(49,95,146,.08)}.solution-grid h3{font-size:19px;margin:0 0 8px}.solution-grid p{color:#7a869b;font-size:12px;line-height:1.7;margin:0 0 13px}.solution-art{flex:0 0 80px;height:80px;display:grid;place-items:center;color:#4e9fff;border-radius:50%;background:linear-gradient(145deg,#ddebff,#fff);filter:drop-shadow(5px 9px 8px rgba(50,116,195,.14))}.solution-art svg{width:49px;height:49px;stroke-width:1.7}.faq{padding-top:0}.faq-grid{display:grid;grid-template-columns:1fr 1fr;gap:9px 15px}.faq details{border:1px solid #e5edf7;border-radius:5px;background:#fff;box-shadow:0 3px 10px rgba(39,81,126,.07);overflow:hidden}.faq summary{height:38px;padding:0 16px;display:flex;align-items:center;justify-content:space-between;cursor:pointer;font-size:13px;font-weight:600;list-style:none}.faq summary svg{width:15px;transition:.2s}.faq details[open] summary svg{transform:rotate(180deg)}.faq details p{padding:0 16px 14px;margin:0;color:#6e7b91;font-size:12px;line-height:1.6}.cta{padding:0 0 34px}.cta-inner{height:106px;padding:0 45px;position:relative;overflow:hidden;display:flex;align-items:center;justify-content:space-between;border-radius:7px;background:linear-gradient(105deg,#e5f3ff,#f8fcff 65%,#d5ebff)}.cta h2{font-size:23px;margin:0 0 7px}.cta p{font-size:12px;color:#63728a;margin:0}.cta .btn{margin-right:100px;z-index:1}.cta-icon{position:absolute;right:25px;bottom:-18px;width:105px;height:105px;color:#7ab7ff;opacity:.55;stroke-width:1.1}footer{padding:28px 0 18px;background:#f9fbfe;border-top:1px solid #edf2f7}.footer-grid{display:grid;grid-template-columns:2.1fr repeat(3,1fr) 1.4fr;gap:40px}.footer-brand p,.contact p{color:#7c8799;font-size:11px;line-height:1.8}.footer-grid h4{margin:0 0 12px;font-size:13px}.footer-grid>div:not(:first-child):not(:last-child) a{display:block;color:#7a8699;font-size:11px;margin:7px 0}.contact h4{display:flex;align-items:center;gap:7px;font-size:16px}.contact svg{width:16px;vertical-align:middle}.copyright{padding-top:20px;margin-top:20px;border-top:1px solid #edf1f6;color:#9aa4b3;font-size:9px}
@media(max-width:900px){.desktop-nav{display:none}.menu-button{display:grid;place-items:center;width:38px;height:38px;border:0;background:transparent;color:var(--navy)}.mobile-nav{margin:8px 20px;padding:12px 18px;grid-template-columns:1fr 1fr;background:#fff;border-radius:7px;box-shadow:var(--shadow)}.mobile-nav.open{display:grid}.mobile-nav a{padding:9px;font-size:14px}.hero-grid{grid-template-columns:1fr}.hero{padding-top:115px}.hero-copy{text-align:center}.hero-copy p{margin-left:auto;margin-right:auto}.hero-actions{justify-content:center}.hero-visual{margin-top:25px}.channels,.feature-grid{grid-template-columns:1fr 1fr}.cert-grid,.solution-grid{grid-template-columns:1fr 1fr}.guarantees{grid-template-columns:1fr 1fr;gap:35px}.footer-grid{grid-template-columns:2fr 1fr 1fr}.footer-grid .contact{grid-column:1/-1}.footer-grid>div:nth-child(4){display:none}}
@media(max-width:600px){.container{width:min(100% - 28px,1180px)}.site-header{top:8px}.nav-shell{height:58px;padding:0 13px}.brand{font-size:17px}.brand-mark{width:29px;height:29px}.nav-actions .btn{display:none}.hero{padding-top:100px;min-height:auto}.hero h1{font-size:30px;line-height:1.35}.hero-copy p{font-size:14px;line-height:1.8}.hero-visual{height:320px;transform:scale(.86);margin-left:-8%;margin-right:-8%;margin-top:5px}.platform{width:390px}.section{padding:38px 0}.section-heading h2{font-size:21px}.section-heading h2:before,.section-heading h2:after{margin:0 7px}.channels{gap:9px}.channel{height:62px;font-size:14px}.channel-logo{width:29px;height:29px}.feature-grid,.cert-grid,.solution-grid,.faq-grid{grid-template-columns:1fr}.feature-card{padding:23px 15px}.cert-card{min-height:128px}.guarantees{gap:28px 4px;margin-top:35px}.guarantees>div{padding:0 4px}.guarantees h3{font-size:14px}.stats{height:auto;padding:22px 8px;grid-template-columns:1fr 1fr;gap:24px}.stats strong{font-size:27px}.solution-grid article{min-height:145px}.cta-inner{height:auto;min-height:145px;padding:26px 24px;align-items:flex-start;flex-direction:column;gap:18px}.cta h2{font-size:19px}.cta .btn{margin:0}.cta-icon{right:8px}.footer-grid{grid-template-columns:1fr 1fr;gap:25px}.footer-brand{grid-column:1/-1}.footer-grid .contact{grid-column:1/-1}.copyright{text-align:center}.phone{top:5px}.data-card.left{left:84px}.data-card.right{right:80px}}

/* Theme integration: use bundled fonts and brand assets without external services. */
body{font-family:"Microsoft YaHei","PingFang SC",Arial,sans-serif}
.brand-mark i{font-size:16px}.desktop-nav{gap:28px}.desktop-nav a{white-space:nowrap}
.channel img{width:auto;height:30px;max-width:55px;object-fit:contain}
.data-card i{font-size:38px}.feature-icon i{font-size:37px}
.feature-card a i,.solution-grid a i{font-size:11px}
.certificate i{font-size:28px}.guarantees i{color:var(--blue);font-size:36px}
.solution-art i{font-size:44px}.faq summary i{font-size:12px;transition:.2s}
.faq details[open] summary i{transform:rotate(180deg)}
.cta-icon{width:auto;height:auto;font-size:92px;bottom:-12px;opacity:.45}
.contact i{width:18px;text-align:center;vertical-align:middle}
@media(max-width:1050px){.desktop-nav{gap:18px}.desktop-nav a{font-size:13px}}