:root{
    --bg:#F3FBFF;
    --card:#FFFFFF;
    --soft:#EAF8FF;
    --soft2:#F7FCFF;
    --line:rgba(34,174,234,0.16);
    --blue:#22AEEA;
    --deep:#147FB8;
    --text:#1F2D3A;
    --muted:#5C6F82;
    --light:#8BA1B5;
    --shadow:0 14px 36px rgba(34,174,234,0.12);
    --btn:linear-gradient(135deg,#6DE6FF 0%,#22AEEA 48%,#168DCC 100%);
    --footer:#0B3D5C;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",Arial,sans-serif;line-height:1.75;overflow-x:hidden}
a{color:inherit;text-decoration:none}
img{max-width:100%;height:auto;display:block}
ul{margin:0;padding-left:20px}
.container{width:min(1200px,calc(100% - 40px));margin:0 auto}
.site-header{position:sticky;top:0;z-index:9999;background:rgba(255,255,255,.94);backdrop-filter:blur(10px);box-shadow:0 8px 24px rgba(34,174,234,.10)}
.topbar{height:76px;display:flex;align-items:center;gap:26px}
.brand-logo{display:flex;align-items:center;flex:0 0 auto}
.brand-logo img{width:152px;max-height:50px;object-fit:contain}
.nav-core{display:flex;align-items:center;justify-content:center;gap:26px;flex:1;min-width:0}
.nav-core a{color:var(--deep);position:relative;font-weight:700;white-space:nowrap;font-size:15px;padding:8px 2px}
.nav-core a:hover,.nav-core a.active{color:var(--blue)}
.nav-core a.active::after{content:"";position:absolute;left:50%;bottom:-12px;width:28px;height:3px;border-radius:999px;background:var(--blue);transform:translateX(-50%)}
.main-btn{display:inline-flex;align-items:center;justify-content:center;border-radius:999px;padding:10px 24px;background:var(--btn);color:#fff;font-weight:800;box-shadow:0 12px 22px rgba(34,174,234,.25);border:0;line-height:1.3;transition:.22s ease;white-space:nowrap}
.main-btn:hover{transform:translateY(-2px);filter:saturate(1.08)}
.header-register{flex:0 0 auto}
.channel-bar{background:rgba(247,252,255,.92);border-top:1px solid rgba(34,174,234,.10);border-bottom:1px solid rgba(34,174,234,.10)}
.channel-scroll{display:flex;align-items:center;gap:10px;overflow-x:auto;padding:10px 0;scrollbar-width:none}
.channel-scroll::-webkit-scrollbar{display:none}
.channel-bar a{color:var(--muted);border-radius:999px;padding:7px 14px;font-size:14px;white-space:nowrap;border:1px solid transparent}
.channel-bar a:hover,.channel-bar a.active{color:var(--blue);background:rgba(34,174,234,.10);border-color:rgba(34,174,234,.16)}
.mobile-shell{display:none;height:64px;align-items:center;justify-content:space-between;width:min(100%,calc(100% - 28px));margin:0 auto}
.menu-toggle{width:42px;height:42px;border:1px solid var(--line);border-radius:14px;background:#fff;display:flex;flex-direction:column;justify-content:center;gap:5px;padding:0 10px;box-shadow:0 8px 18px rgba(34,174,234,.10)}
.menu-toggle span{height:2px;background:var(--blue);border-radius:999px;width:100%}
.mobile-logo img{width:126px;max-height:44px}
.mobile-register{padding:9px 18px;font-size:14px}
.drawer-mask{position:fixed;inset:0;background:rgba(15,45,66,.38);z-index:9998;opacity:0;pointer-events:none;transition:.24s ease}
.drawer-mask.show{opacity:1;pointer-events:auto}
.mobile-drawer{position:fixed;top:0;left:0;width:84vw;max-width:320px;height:100vh;background:linear-gradient(180deg,#fff 0%,#F3FBFF 100%);z-index:10000;transform:translateX(-105%);transition:.28s ease;box-shadow:22px 0 44px rgba(20,127,184,.18);padding:18px;overflow-y:auto}
.mobile-drawer.open{transform:translateX(0)}
.drawer-open{overflow:hidden}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}
.drawer-close{width:36px;height:36px;border-radius:50%;border:1px solid var(--line);background:#fff;color:var(--blue);font-size:24px;line-height:1}
.drawer-links{display:grid;gap:8px}
.drawer-links a{padding:11px 14px;border-radius:14px;color:var(--deep);font-weight:700;background:rgba(255,255,255,.72);border:1px solid rgba(34,174,234,.09)}
.drawer-links a.active,.drawer-links a:hover{background:rgba(34,174,234,.10);color:var(--blue);border-color:var(--line)}
.floating-service{position:fixed;right:18px;top:42%;z-index:60;display:grid;gap:10px}
.floating-service a,.floating-service button{width:58px;min-height:42px;border-radius:16px;background:#fff;color:var(--blue);border:1px solid var(--line);box-shadow:0 14px 30px rgba(34,174,234,.12);font-weight:800;display:flex;align-items:center;justify-content:center;cursor:pointer;font-size:14px}
.floating-service a.register-link{background:var(--btn);color:#fff}
.mobile-bottom-nav{display:none;position:fixed;left:0;right:0;bottom:0;z-index:9000;background:#fff;border-top:1px solid rgba(34,174,234,.16);box-shadow:0 -8px 22px rgba(34,174,234,.10);height:62px;align-items:center;justify-content:space-around}
.mobile-bottom-nav a{font-weight:800;color:var(--muted);font-size:14px}
.mobile-bottom-nav a.active{color:var(--blue)}
.site-main{padding-bottom:0}
.banner-slider{max-width:1200px;height:360px;margin:24px auto 34px;border-radius:22px;background:#fff;box-shadow:var(--shadow);overflow:hidden;position:relative;z-index:1;border:1px solid var(--line)}
.banner-slider .slide{display:none;width:100%;height:100%}
.banner-slider .slide.active{display:block}
.banner-slider img{width:100%;height:100%;object-fit:contain;background:#fff}
.slider-arrow{position:absolute;top:50%;transform:translateY(-50%);z-index:3;border:none;border-radius:999px;background:rgba(255,255,255,.82);color:var(--blue);border:1px solid var(--line);box-shadow:0 10px 22px rgba(34,174,234,.12);width:42px;height:42px;font-size:28px;cursor:pointer;display:flex;align-items:center;justify-content:center}
.slider-prev{left:16px}.slider-next{right:16px}
.slider-dots{position:absolute;left:50%;bottom:14px;transform:translateX(-50%);display:flex;gap:8px;z-index:3}
.slider-dots button{width:9px;height:9px;border-radius:50%;border:none;background:rgba(34,174,234,.25);cursor:pointer;padding:0}
.slider-dots button.active{background:var(--blue);width:24px;border-radius:999px}
.intro-section,.inner-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:28px;align-items:center;margin-top:28px;margin-bottom:34px}
.intro-copy,.inner-hero .inner-grid>div:first-child{background:rgba(255,255,255,.86);border:1px solid var(--line);border-radius:28px;padding:34px;box-shadow:var(--shadow)}
.section-kicker{margin:0 0 8px;color:var(--blue);font-weight:900;letter-spacing:.06em;text-transform:uppercase;font-size:14px}
h1,h2,h3,.section-title{color:var(--blue);line-height:1.28;margin:0 0 14px}
h1{font-size:clamp(30px,4vw,48px)}
h2{font-size:clamp(22px,2.5vw,30px)}
h3{font-size:20px}
p{margin:0 0 14px}.intro-copy p,.inner-hero p{color:var(--muted)}
.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin:20px 0}
.tag-row span,.tag,.label,.badge{color:var(--blue);background:rgba(34,174,234,.10);border:1px solid var(--line);border-radius:999px;padding:6px 12px;font-weight:800;font-size:14px}
.image-card{background:#fff;border:1px solid var(--line);border-radius:28px;box-shadow:var(--shadow);padding:18px;overflow:hidden}
.image-card img{width:100%;height:280px;object-fit:contain;background:#fff;border-radius:18px}
.capsule-nav{display:flex;gap:14px;overflow-x:auto;padding:4px 0 18px;margin-bottom:24px;scrollbar-width:none}
.capsule-nav::-webkit-scrollbar{display:none}
.capsule-nav a{min-width:198px;background:rgba(255,255,255,.88);border:1px solid var(--line);border-radius:22px;padding:16px;box-shadow:0 10px 24px rgba(34,174,234,.08);transition:.2s ease}
.capsule-nav a:hover{border-color:var(--blue);transform:translateY(-2px)}
.capsule-nav span{display:inline-flex;color:var(--blue);font-weight:900;margin-bottom:4px}
.capsule-nav strong{display:block;color:var(--text);font-size:18px;margin-bottom:4px}
.capsule-nav em{display:block;color:var(--muted);font-style:normal;font-size:14px}
.summary-strip{background:linear-gradient(135deg,#fff 0%,#EAF8FF 100%);border:1px solid var(--line);border-radius:24px;padding:24px 28px;box-shadow:var(--shadow);margin-bottom:30px}
.summary-strip p{font-size:18px;color:var(--deep);margin:0}
.board-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-bottom:32px}
.info-card,.content-card,.zone-card,.review-card,.wall-card,.wide-card,.notice-card,.point-panel{background:#fff;border:1px solid var(--line);box-shadow:var(--shadow);border-radius:24px;padding:24px}
.info-card .num,.num{display:inline-flex;color:var(--blue);font-weight:900;margin-bottom:10px}
.info-card p,.content-card p,.zone-card p,.wall-card p,.wide-card p,.review-card p,.point-panel li,.faq-preview p{color:var(--muted)}
.two-column{display:grid;grid-template-columns:1fr 1fr;gap:22px;margin-bottom:30px}
.zone-card{display:grid;grid-template-columns:190px 1fr;gap:20px;align-items:center}
.zone-card img{width:100%;height:190px;object-fit:contain;background:var(--soft2);border-radius:18px;border:1px solid rgba(34,174,234,.08)}
.zone-card.text-only{display:block;background:linear-gradient(135deg,#fff 0%,#F7FCFF 100%)}
.zone-card ul,.wide-card ul{margin:12px 0;color:var(--muted)}
.text-link{color:var(--blue);font-weight:900;display:inline-flex;margin-top:8px}
.text-link:hover{text-decoration:underline}
.content-wall{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-bottom:30px}
.wall-card img{width:100%;height:160px;object-fit:contain;background:var(--soft2);border-radius:18px;border:1px solid rgba(34,174,234,.08);margin-bottom:16px}
.horizontal-zone{display:grid;grid-template-columns:1fr 1.25fr;gap:22px;margin-bottom:30px}
.wide-card{display:grid;grid-template-columns:210px 1fr;gap:20px;align-items:center}
.wide-card img{width:100%;height:220px;object-fit:contain;background:var(--soft2);border-radius:18px;border:1px solid rgba(34,174,234,.08)}
.soft-section .media-card{display:grid;grid-template-columns:180px 1fr;gap:18px;align-items:center}
.media-card img{width:100%;height:170px;object-fit:contain;background:var(--soft2);border-radius:18px;border:1px solid rgba(34,174,234,.08)}
.section-head{margin-bottom:18px}.section-head p{margin-bottom:4px}
.reviews{margin-bottom:30px}.review-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.review-card strong{color:var(--deep)}
.faq-preview{margin-bottom:30px}.faq-preview details{background:#fff;border:1px solid var(--line);border-radius:18px;margin-bottom:12px;padding:16px 18px;box-shadow:0 8px 20px rgba(34,174,234,.08)}
.faq-preview summary{cursor:pointer;color:var(--deep);font-weight:900}.faq-preview p{margin-top:10px;margin-bottom:0}
.about-short{background:#fff;border:1px solid var(--line);box-shadow:var(--shadow);border-radius:28px;padding:30px;margin-bottom:34px}.about-short p{color:var(--muted)}
.link-row{display:flex;gap:18px;flex-wrap:wrap}
.inner-hero{padding:36px 0 16px}.inner-image img{height:300px}
.point-panel{margin-bottom:28px}.point-panel ul{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;padding:0;list-style:none}.point-panel li{border:1px solid var(--line);border-radius:16px;padding:14px;background:var(--soft2)}
.page-content{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-bottom:30px}
.site-notice{padding:0 0 34px}.notice-card{background:linear-gradient(135deg,#fff 0%,#E2F5FF 100%)}.notice-card p{color:var(--muted);margin:0}
.site-footer{background:var(--footer);color:#EAF8FF;padding:42px 0 22px}.footer-grid{display:grid;grid-template-columns:1.5fr repeat(3,1fr);gap:28px}.footer-logo img{width:150px;max-height:50px;object-fit:contain;background:rgba(255,255,255,.95);border-radius:14px;padding:6px}.footer-brand p{color:#EAF8FF;margin-top:14px}.footer-links{display:grid;gap:8px;align-content:start}.footer-links h3{color:#fff;margin-bottom:6px}.footer-links a{color:#EAF8FF;opacity:.9}.footer-links a:hover{opacity:1;text-decoration:underline}.footer-bottom{border-top:1px solid rgba(234,248,255,.2);margin-top:28px;padding-top:18px;color:#EAF8FF}.footer-bottom p{margin:0;color:#EAF8FF}
.content-img,.app-section img,.hero-visual img,.banner-slider img{max-width:100%;height:auto;object-fit:contain}.banner-slider img{height:100%}
@media (max-width:1080px){
    .nav-core{gap:16px}.nav-core a{font-size:14px}.brand-logo img{width:132px}.board-grid{grid-template-columns:repeat(2,1fr)}.zone-card,.wide-card{grid-template-columns:1fr}.zone-card img,.wide-card img{height:220px}.horizontal-zone,.two-column{grid-template-columns:1fr}.review-grid{grid-template-columns:repeat(2,1fr)}.point-panel ul{grid-template-columns:repeat(2,1fr)}.page-content{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:760px){
    body{padding-bottom:72px}.desktop-shell,.floating-service{display:none}.mobile-shell{display:flex}.mobile-bottom-nav{display:flex}.site-header{box-shadow:0 8px 20px rgba(34,174,234,.10)}.container{width:min(100% - 28px,1200px)}.banner-slider{height:210px;margin:18px auto 24px;border-radius:18px;width:calc(100% - 28px)}.slider-arrow{width:34px;height:34px;font-size:22px}.slider-prev{left:10px}.slider-next{right:10px}.intro-section,.inner-grid{grid-template-columns:1fr;gap:18px;margin-top:18px}.intro-copy,.inner-hero .inner-grid>div:first-child{padding:24px;border-radius:22px}.image-card{padding:12px;border-radius:22px}.image-card img,.inner-image img{height:210px}.summary-strip{padding:20px}.summary-strip p{font-size:16px}.board-grid,.content-wall,.review-grid{grid-template-columns:1fr}.two-column,.horizontal-zone{gap:18px}.zone-card,.wide-card,.soft-section .media-card{grid-template-columns:1fr;padding:20px}.zone-card img,.wide-card img,.media-card img,.wall-card img{height:170px}.capsule-nav a{min-width:176px}.point-panel ul{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr}.site-footer{padding-bottom:28px}h1{font-size:30px}h2{font-size:24px}
}
@media (max-width:420px){
    .banner-slider{height:180px}.mobile-logo img{width:110px}.mobile-register{padding:8px 14px}.image-card img,.inner-image img{height:180px}.intro-copy,.inner-hero .inner-grid>div:first-child,.info-card,.content-card,.zone-card,.review-card,.wall-card,.wide-card,.notice-card,.point-panel{padding:18px}.channel-scroll{padding-left:0;padding-right:0}
}