*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Arial,'PingFang SC','Microsoft YaHei',sans-serif;color:#11202a;background:radial-gradient(circle at 8% 0,rgba(116,255,236,.28),transparent 32%),radial-gradient(circle at 90% 12%,rgba(161,210,255,.24),transparent 36%),linear-gradient(180deg,#effffb 0%,#f6fffd 42%,#e9fbf8 100%);line-height:1.75}a{text-decoration:none;color:inherit}img{display:block;max-width:100%}button,input,textarea{font:inherit}.site-header{width:min(1240px,calc(100% - 32px));margin:16px auto 0;position:sticky;top:14px;z-index:50;padding:12px 14px;border-radius:28px;background:rgba(246,255,253,.86);border:1px solid rgba(37,201,190,.25);box-shadow:0 18px 60px rgba(29,112,128,.12);backdrop-filter:blur(18px);display:flex;align-items:center;justify-content:space-between;gap:18px}.brand{display:flex;align-items:center;gap:12px;min-width:max-content}.brand img{width:56px;height:56px;border-radius:18px;background:#fff}.brand strong{display:block;font-size:20px;letter-spacing:.08em}.brand em{display:block;font-style:normal;font-size:12px;color:#547179}.nav{display:flex;align-items:center;gap:18px;color:#2c535c;font-weight:700}.nav a{font-size:14px}.nav-cta,.footer-links button{border:0;border-radius:999px;padding:10px 16px;color:#062b30;background:linear-gradient(135deg,#9ff8ee,#b8dcff);font-weight:800;cursor:pointer}.menu-toggle{display:none;border:0;background:transparent}.menu-toggle i{display:block;width:24px;height:2px;background:#13333a;margin:5px}.hero{position:relative;overflow:hidden;padding:78px 0 46px}.hero-bg{position:absolute;inset:0;background:linear-gradient(120deg,rgba(20,215,203,.12),rgba(164,207,255,.18));clip-path:polygon(0 0,100% 0,100% 90%,0 100%)}.hero-content,.section,.site-footer{width:min(1240px,calc(100% - 32px));margin:auto;position:relative}.hero-content{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(380px,.85fr);gap:34px;align-items:center}.breadcrumb{display:flex;gap:8px;flex-wrap:wrap;font-size:13px;color:#55777f;margin-bottom:18px}.eyebrow{display:inline-flex;align-items:center;gap:8px;padding:7px 12px;border-radius:999px;background:rgba(159,248,238,.42);border:1px solid rgba(45,204,196,.3);color:#09696e;font-weight:800;font-size:13px}.hero h1{font-size:clamp(38px,6vw,72px);line-height:1.05;margin:18px 0 20px;letter-spacing:-.05em}.hero p,.section-head p,.card p,.product p,.channel-card p,.article-card p,.support-card p,.faq-item p,.download-panel p,.contact-box p{color:#526f76;font-size:16px}.hero-copy>p{font-size:18px;max-width:760px}.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:26px}.btn{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:12px 18px;border-radius:999px;border:1px solid rgba(13,130,140,.24);font-weight:900;cursor:pointer}.btn.primary{background:linear-gradient(135deg,#66f2df,#b7caff);color:#052b34;box-shadow:0 18px 45px rgba(66,195,205,.23)}.btn.secondary{background:#fff;color:#0a5964}.btn.ghost{background:rgba(255,255,255,.42);color:#17414a}.hero-points{display:flex;gap:12px;flex-wrap:wrap;margin-top:24px}.hero-points span{padding:8px 12px;border-radius:16px;background:rgba(255,255,255,.66);border:1px solid rgba(26,182,177,.18);color:#2f626b;font-weight:800;font-size:13px}.slider{position:relative;min-height:560px;border-radius:38px;overflow:hidden;background:linear-gradient(150deg,#ecfffb,#fff,#eaf9ff);border:1px solid rgba(29,189,185,.22);box-shadow:0 32px 90px rgba(29,112,128,.18)}.slide{position:absolute;inset:0;opacity:0;transform:scale(1.04);transition:.65s ease;display:grid;place-items:center;padding:36px}.slide.active{opacity:1;transform:scale(1)}.slide img{max-height:360px;object-fit:contain;filter:drop-shadow(0 30px 48px rgba(23,63,75,.22))}.slide div{position:absolute;left:26px;right:26px;bottom:26px;border-radius:28px;padding:18px;background:rgba(255,255,255,.72);border:1px solid rgba(60,210,204,.22);backdrop-filter:blur(12px)}.slide b{display:block;font-size:22px}.slide span{color:#557179}.slider-btn{position:absolute;top:50%;transform:translateY(-50%);width:42px;height:42px;border-radius:50%;border:1px solid rgba(20,160,170,.24);background:rgba(255,255,255,.75);font-size:30px;cursor:pointer}.prev{left:18px}.next{right:18px}.slider-dots{position:absolute;bottom:16px;left:50%;transform:translateX(-50%);display:flex;gap:8px}.slider-dots button{width:8px;height:8px;border-radius:50%;border:0;background:#9ac7cc}.slider-dots button.active{width:22px;background:#18b6bd}.quick-strip{width:min(1240px,calc(100% - 32px));margin:0 auto 36px;display:flex;flex-wrap:wrap;gap:10px;justify-content:center}.quick-strip a,.quick-strip button{border:1px solid rgba(20,169,174,.22);background:rgba(255,255,255,.76);color:#12454e;border-radius:999px;padding:10px 16px;font-weight:900;cursor:pointer}.section{padding:64px 0}.section.alt{width:100%;max-width:none;background:linear-gradient(180deg,rgba(255,255,255,.44),rgba(223,252,249,.46));padding-left:max(16px,calc((100% - 1240px)/2));padding-right:max(16px,calc((100% - 1240px)/2))}.section-head{max-width:900px;margin:0 auto 28px;text-align:center}.section-head h2{font-size:clamp(28px,4.3vw,46px);line-height:1.15;margin:14px 0 12px;letter-spacing:-.035em}.service-grid,.product-grid,.channel-grid,.check-grid,.verify-flow,.article-grid,.support-grid{display:grid;gap:18px}.service-grid{grid-template-columns:repeat(4,1fr)}.card,.channel-card,.check,.article-card,.support-card,.product,.contact-box,.download-panel,.support-form{background:rgba(255,255,255,.78);border:1px solid rgba(30,181,184,.18);border-radius:30px;padding:24px;box-shadow:0 18px 54px rgba(28,111,130,.1)}.card b,.check span{display:inline-grid;place-items:center;width:44px;height:44px;border-radius:16px;background:linear-gradient(135deg,#9ff8ee,#d1e5ff);color:#0a4c55}.card h3,.channel-card h3,.check h3,.article-card h3,.support-card h3{font-size:21px;margin:12px 0 8px}.product-grid{grid-template-columns:repeat(2,1fr)}.product{display:grid;grid-template-columns:210px 1fr;gap:18px;align-items:center}.product-img{border-radius:26px;background:linear-gradient(145deg,#f8fffe,#e8fbff);padding:18px}.product-img img{height:190px;width:100%;object-fit:contain}.product-body span{color:#0b9294;font-weight:900}.product-body h3{font-size:28px;margin:6px 0 8px}.product li{margin:6px 0;color:#385e66}.table-wrap{margin-top:24px;overflow:auto;border-radius:28px;border:1px solid rgba(25,168,176,.2);background:#fff;box-shadow:0 18px 54px rgba(28,111,130,.08)}table{width:100%;border-collapse:collapse;min-width:900px}th,td{text-align:left;padding:16px;border-bottom:1px solid #def1f1;vertical-align:top}th{background:#eafffb;color:#073d46}.channel-grid{grid-template-columns:repeat(3,1fr)}.channel-card strong{display:block;color:#04858b;margin:8px 0 10px;word-break:break-all}.check-grid{grid-template-columns:repeat(4,1fr)}.verify-flow{grid-template-columns:repeat(4,1fr)}.download-panel{display:grid;grid-template-columns:1fr auto;gap:24px;align-items:center}.download-panel h2{font-size:36px;line-height:1.15;margin:12px 0}.download-actions{display:flex;gap:12px;flex-wrap:wrap;justify-content:flex-end}.article-grid{grid-template-columns:repeat(4,1fr)}.support-grid{grid-template-columns:repeat(4,1fr)}.mini-btn{border:0;border-radius:999px;background:#e4fffb;color:#08626a;padding:8px 12px;font-weight:900;cursor:pointer}.support-form{margin-top:24px}.form-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}.support-form input,.support-form textarea{width:100%;border:1px solid rgba(18,161,170,.24);border-radius:18px;padding:14px 16px;background:#fff;color:#102c33}.support-form textarea{min-height:120px;margin:12px 0;resize:vertical}.faq-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}.faq-item{border:1px solid rgba(26,175,181,.2);background:rgba(255,255,255,.82);border-radius:22px;padding:6px 18px}.faq-item summary{cursor:pointer;font-weight:900;padding:14px 0}.contact{padding-bottom:80px}.contact-box{display:grid;grid-template-columns:1fr 260px;gap:28px;align-items:center}.qr-card{background:linear-gradient(150deg,#f5fffd,#e9faff);border-radius:28px;padding:16px;text-align:center}.qr-card img{width:220px;height:220px;object-fit:contain;margin:auto;border-radius:12px}.site-footer{display:flex;justify-content:space-between;gap:24px;padding:34px 0 50px;border-top:1px solid rgba(32,169,178,.18);color:#46666e}.site-footer strong{font-size:22px;color:#102a31}.footer-links{display:grid;gap:8px;text-align:right}.footer-links a{color:#0a6972;font-weight:800}.contact-modal{position:fixed;inset:0;z-index:100;display:none}.contact-modal.active{display:block}.modal-mask{position:absolute;inset:0;background:rgba(4,20,28,.55);backdrop-filter:blur(8px)}.modal-panel{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);width:min(420px,calc(100% - 28px));max-height:calc(100vh - 32px);overflow:auto;border-radius:32px;background:#f8fffd;border:1px solid rgba(73,223,216,.26);box-shadow:0 30px 90px rgba(0,0,0,.28);padding:24px;text-align:center}.modal-close{position:absolute;right:14px;top:12px;border:0;background:#e7fffc;border-radius:50%;width:34px;height:34px;font-size:24px;cursor:pointer}.modal-qr{width:min(300px,74vw);aspect-ratio:1/1;margin:16px auto;border-radius:20px;background:#fff;padding:12px;border:1px solid #d8f2f1}.modal-qr img{width:100%;height:100%;object-fit:contain;border-radius:10px}.modal-actions{display:flex;gap:10px;justify-content:center;flex-wrap:wrap}.modal-actions a{border-radius:999px;padding:9px 14px;background:#e4fffb;color:#07646c;font-weight:900}.float-service{position:fixed;right:max(16px,env(safe-area-inset-right));bottom:max(18px,env(safe-area-inset-bottom));z-index:45;border:0;border-radius:999px;padding:14px 18px;background:linear-gradient(135deg,#6af1df,#bfd3ff);color:#062b34;font-weight:900;box-shadow:0 14px 44px rgba(23,132,146,.28);cursor:pointer}.reveal{opacity:0;transform:translateY(22px);transition:opacity .7s ease,transform .7s ease}.reveal.show{opacity:1;transform:none}.lock{overflow:hidden}@media (max-width:980px){.site-header{align-items:flex-start}.menu-toggle{display:block;padding:12px}.nav{display:none;position:absolute;left:12px;right:12px;top:82px;flex-direction:column;align-items:stretch;background:#f8fffd;border:1px solid rgba(32,182,185,.2);border-radius:24px;padding:16px;box-shadow:0 20px 60px rgba(28,111,130,.16)}.nav.open{display:flex}.hero-content{grid-template-columns:1fr}.slider{min-height:460px}.service-grid,.product-grid,.channel-grid,.check-grid,.verify-flow,.article-grid,.support-grid,.faq-grid{grid-template-columns:1fr 1fr}.product{grid-template-columns:1fr}.download-panel,.contact-box{grid-template-columns:1fr}.download-actions{justify-content:flex-start}.form-grid{grid-template-columns:1fr 1fr}.footer-links{text-align:left}.site-footer{flex-direction:column}}@media (max-width:640px){.site-header{width:calc(100% - 20px);top:8px;border-radius:22px}.brand img{width:46px;height:46px}.brand em{display:none}.hero{padding-top:48px}.hero-content,.section,.site-footer,.quick-strip{width:calc(100% - 24px)}.hero h1{font-size:36px}.hero-copy>p{font-size:16px}.hero-actions .btn{width:100%}.slider{min-height:420px;border-radius:28px}.slide{padding:22px}.slide img{max-height:260px}.slider-btn{display:none}.service-grid,.product-grid,.channel-grid,.check-grid,.verify-flow,.article-grid,.support-grid,.faq-grid{grid-template-columns:1fr}.section{padding:48px 0}.section.alt{padding-left:12px;padding-right:12px}.form-grid{grid-template-columns:1fr}.contact-box{padding:18px}.qr-card img{width:200px;height:200px}.float-service{right:12px;bottom:12px;padding:12px 14px}.modal-panel{border-radius:26px;padding:20px}.modal-qr{width:min(270px,78vw)}}

/* hero layout polish */
.hero{padding:56px 0 54px;min-height:auto;}
.hero-content{grid-template-columns:minmax(0,.98fr) minmax(420px,.82fr);gap:42px;align-items:center;}
.hero-content>.breadcrumb{grid-column:1 / -1;margin:0 0 -8px;align-self:start;}
.hero-copy{max-width:720px;}
.hero h1{font-size:clamp(40px,4.35vw,62px);line-height:1.08;letter-spacing:-.045em;margin:16px 0 18px;max-width:760px;}
.hero-copy>p{font-size:17px;line-height:1.95;max-width:720px;color:#4a6870;}
.hero-actions{margin-top:22px;}
.hero-visual{min-width:0;}
.slider{min-height:500px;border-radius:34px;}
.slide{padding:34px 30px 96px;}
.slide img{max-height:320px;width:100%;object-fit:contain;}
.slide div{left:24px;right:24px;bottom:24px;padding:16px 18px;border-radius:24px;}
.slide b{font-size:20px;}
.hero-points{margin-top:18px;}
.hero-points span{background:rgba(255,255,255,.72);}
.quick-strip{margin-top:4px;margin-bottom:30px;}
.section-head h2{letter-spacing:-.025em;}
@media (min-width:1280px){.hero{padding-top:64px}.hero-content{grid-template-columns:minmax(0,720px) minmax(420px,520px);justify-content:space-between}.hero h1{font-size:60px}}
@media (max-width:980px){.hero-content>.breadcrumb{margin-bottom:0}.hero-content{gap:24px}.hero h1{font-size:clamp(34px,8vw,48px)}.slider{min-height:420px}.slide img{max-height:260px}}
@media (max-width:640px){.hero{padding-top:34px}.breadcrumb{font-size:12px}.hero h1{font-size:34px;line-height:1.12}.hero-copy>p{font-size:15px;line-height:1.85}.slider{min-height:380px}.slide{padding:20px 18px 112px}.slide img{max-height:220px}.slide div{left:16px;right:16px;bottom:20px}.slide b{font-size:18px}.hero-actions{gap:10px}.hero-points span{width:calc(50% - 6px);text-align:center}}