:root{--blue:#1768f2;--navy:#102957;--text:#10203f;--muted:#6f7f99;--line:#d8e1ef;--bg:#eef5ff;--card:#fff;--green:#0aa36d;--red:#f04438}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Arial,"Microsoft YaHei",sans-serif;color:var(--text);background:#fff}a{text-decoration:none;color:inherit}.topbar{height:32px;background:#102957;color:#fff;display:flex;align-items:center;justify-content:center;font-size:13px}.nav{height:74px;border-bottom:1px solid #e5ebf4;background:#fff}.nav-inner,.container{max-width:1220px;margin:0 auto;padding:0 22px}.nav-inner{height:100%;display:flex;align-items:center;justify-content:space-between}.brand{display:flex;align-items:center;gap:12px;font-weight:800;font-size:21px}.brand img{width:46px;height:46px;object-fit:contain}.brand small{display:block;font-size:11px;font-weight:400;color:#6f7f99;letter-spacing:.3px}.nav-links{display:flex;align-items:center;gap:42px;font-size:15px}.nav-links a.active{color:var(--blue);font-weight:700}.login{background:var(--blue);color:#fff!important;padding:11px 18px;border-radius:8px}.hero{background:linear-gradient(90deg,#eff6ff 0%,#eaf3ff 100%);padding:40px 0 34px}.hero-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:56px;align-items:center}.pill{display:inline-flex;gap:10px;align-items:center;background:#dceaff;color:#1658c6;padding:10px 16px;border-radius:28px;font-size:13px;font-weight:700}.dot{width:8px;height:8px;background:#13b57a;border-radius:50%}.hero h1{font-size:52px;line-height:1.2;margin:42px 0 10px;letter-spacing:-1px}.hero h1 span{display:block;color:var(--blue);font-size:50px}.hero p{font-size:18px;line-height:1.8;color:#64748b;max-width:620px}.actions{display:flex;gap:14px;margin-top:54px}.btn{display:inline-flex;justify-content:center;align-items:center;border-radius:9px;padding:15px 30px;font-weight:700;border:1px solid #d7e0ec;background:#fff;cursor:pointer}.btn.primary{background:var(--blue);color:#fff;border-color:var(--blue)}.note{margin-top:26px;color:#7a899f;font-size:13px}.mock{background:#fff;border:1px solid #cdd8ea;border-radius:16px;padding:24px}.mock-head{display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid #e5eaf2;padding-bottom:18px;font-weight:700}.lights{display:flex;gap:7px}.lights i{width:11px;height:11px;border-radius:50%;display:block}.lights i:nth-child(1){background:#ff6b66}.lights i:nth-child(2){background:#ffbd3f}.lights i:nth-child(3){background:#30c47b}.online{color:#0aa36d;font-size:12px;font-weight:400}.bubble{border:1px solid #d8e1ef;border-radius:11px;padding:16px;margin-top:18px}.bubble.blue{background:#eef5ff;border-color:#bcd3ff;margin-left:60px}.label{font-size:12px;color:#8a99af;margin-bottom:14px}.translate-row{display:flex;gap:12px;align-items:center}.iconbox{width:38px;height:38px;border-radius:11px;background:var(--blue);color:white;display:flex;align-items:center;justify-content:center;font-weight:700}.mock-send{margin-top:20px;background:#0e1830;color:#fff;border-radius:10px;padding:16px;text-align:center;font-weight:700}.features{padding:30px 0 24px}.section-title{text-align:center;margin:0 0 8px;font-size:32px}.section-sub{text-align:center;color:#7b899d;margin:0 0 24px;font-size:14px}.feature-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.feature{border:1px solid #d9e2ef;border-radius:14px;padding:18px;background:#fff;min-height:124px}.feature .ico{width:42px;height:42px;background:#edf4ff;color:var(--blue);display:flex;align-items:center;justify-content:center;border-radius:11px;font-weight:800;margin-bottom:20px}.feature strong{font-size:16px}.page-head{background:#eef5ff;padding:28px 0 18px}.crumb{font-size:13px;color:#7b899d;margin-bottom:28px}.page-head h1{font-size:34px;margin:0 0 4px}.page-head p{margin:0;color:#75849c}.two-col{display:grid;grid-template-columns:1fr 360px;gap:36px;padding:38px 0}.panel{background:#fff;border:1px solid #d7e0ec;border-radius:14px;overflow:hidden}.panel-title{padding:18px 24px;border-bottom:1px solid #dfe6f0;font-size:18px;font-weight:800}.panel-body{padding:28px}.product-intro{display:flex;gap:24px;align-items:center}.product-intro img{width:72px;height:72px}.product-intro h2{margin:0 0 5px;font-size:27px}.product-intro p{margin:0;color:#76859c}.chips{display:flex;gap:10px;flex-wrap:wrap;margin:26px 0}.chip{background:#eef5ff;color:#1959b7;padding:8px 20px;border-radius:5px;font-size:13px}.service-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}.service{background:#f7f9fc;border:1px solid #e1e7f0;border-radius:12px;padding:18px 16px;min-height:95px}.service strong{display:block;margin-bottom:8px}.service p{font-size:13px;color:#75849b;line-height:1.65;margin:0}.buybar{padding:20px 28px;background:#f8fbff;color:#718096;text-align:center;font-size:13px}.price{font-size:46px;font-weight:800;color:var(--red);margin:32px 0 2px}.price small{font-size:14px;color:#65738a;font-weight:400}.old{color:#99a5b6;font-size:13px}.plan{border:2px solid var(--blue);border-radius:12px;margin:16px 0 28px;padding:18px;display:flex;justify-content:space-between;align-items:center}.plan strong{color:var(--blue)}.support{margin-top:30px;color:#0a9c63;font-size:13px;line-height:2}.support .gray{color:#5f6d83}.checkout-bg{background:#f3f7fd;min-height:720px;padding:42px 0 48px}.checkout-grid{display:grid;grid-template-columns:1fr 350px;gap:28px}.checkout-left{display:flex;flex-direction:column;gap:24px}.table-head,.table-row{display:grid;grid-template-columns:1.5fr 2fr .7fr .5fr;gap:12px;align-items:center}.table-head{font-size:13px;color:#7b8aa0;border-bottom:1px solid #dfe6f0;padding-bottom:12px}.table-row{padding:26px 0}.table-row img{width:58px;height:58px;vertical-align:middle;margin-right:10px}.pay-method{border:2px solid var(--blue);border-radius:12px;padding:20px;display:flex;justify-content:space-between;align-items:center}.alipay{display:flex;align-items:center;gap:14px;color:var(--blue);font-weight:800;font-size:18px}.ali-icon{width:42px;height:42px;background:#1e7cff;color:#fff;border-radius:9px;display:flex;align-items:center;justify-content:center;font-size:24px}.notice{background:#fff8e8;border:1px solid #f3d58a;padding:14px 18px;border-radius:9px;color:#9a6a13;font-size:13px;margin-top:30px}.summary .row{display:flex;justify-content:space-between;margin:0 0 28px;font-size:14px}.summary hr{border:0;border-top:1px solid #dfe6f0;margin:36px 0}.total{display:flex;justify-content:space-between;align-items:flex-end;font-weight:800}.total b{font-size:34px;color:var(--red)}.footer{background:#0d1933;color:#fff;padding:26px 0}.footer-inner{display:flex;justify-content:space-between;align-items:center;font-size:13px}.footer a{color:#c9d3e4;margin-left:18px}
@media(max-width:900px){.nav-links{gap:16px}.hero-grid,.two-col,.checkout-grid{grid-template-columns:1fr}.feature-grid{grid-template-columns:1fr 1fr}.hero h1,.hero h1 span{font-size:40px}.two-col{gap:20px}.nav-links a:not(.login){display:none}}@media(max-width:560px){.feature-grid,.service-grid{grid-template-columns:1fr}.hero{padding-top:24px}.hero h1,.hero h1 span{font-size:34px}.actions{flex-direction:column;margin-top:30px}.table-head{display:none}.table-row{grid-template-columns:1fr}.footer-inner{gap:18px;flex-direction:column;align-items:flex-start}}