*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:#EAF2FB;color:#24364F;font-family:Arial,"PingFang SC","Microsoft YaHei",sans-serif;overflow-x:hidden}a{color:#137CD8;text-decoration:none}a:hover{text-decoration:none}img{max-width:100%}button,a{touch-action:manipulation}.site-header{position:sticky;top:0;z-index:9000;width:100%;background:#FFFFFF;border-bottom:1px solid rgba(47,168,247,.18)}.header-inner{max-width:1160px;min-height:68px;margin:0 auto;padding:0 18px;display:flex;align-items:center;justify-content:space-between;gap:14px}.site-logo,.drawer-logo,.footer-logo{display:inline-flex;align-items:center;min-width:132px}.site-logo img{display:block;height:36px;width:auto;max-width:150px;object-fit:contain}.drawer-logo img{height:34px;width:auto;max-width:145px;object-fit:contain}.footer-logo img{height:38px;width:auto;max-width:155px;object-fit:contain}.logo-text{font-weight:800;color:#137CD8;font-size:20px}.nav-core{display:flex;align-items:center;justify-content:center;gap:2px;min-width:0}.nav-core a{color:#24364F;padding:8px 12px;font-weight:700;text-decoration:none;white-space:nowrap}.nav-core a.is-current,.nav-core a:hover{color:#137CD8;background:#F4F8FF;border-radius:999px}.main-btn{display:inline-flex;align-items:center;justify-content:center;height:40px;min-width:92px;padding:0 18px;background:linear-gradient(135deg,#45C7FF 0%,#2FA8F7 48%,#137CD8 100%);color:#FFFFFF;border-radius:999px;text-decoration:none;font-weight:700;box-shadow:0 10px 22px rgba(19,124,216,.18);touch-action:manipulation;border:0}.header-action{flex:0 0 auto}.menu-toggle{display:none;border:0;background:transparent;color:#137CD8;font-weight:800;min-height:40px;padding:0 4px;font-size:15px}.channel-bar{background:#FFFFFF;border-bottom:1px solid rgba(47,168,247,.12)}.channel-inner{max-width:1160px;margin:0 auto;padding:0 18px;height:46px;display:flex;align-items:center;gap:22px;overflow-x:auto;scrollbar-width:none}.channel-inner::-webkit-scrollbar{display:none}.channel-inner a{height:46px;display:inline-flex;align-items:center;white-space:nowrap;color:#5D718A;font-weight:700;font-size:14px;border-bottom:2px solid transparent}.channel-inner a.is-current,.channel-inner a:hover{color:#137CD8;border-bottom-color:#137CD8}.mobile-drawer,.drawer-mask{display:none}.drawer-open{overflow:hidden}main{min-height:60vh}.wrap{width:min(1160px,calc(100% - 36px));margin:0 auto}.article-wrap{width:min(820px,calc(100% - 36px));margin:0 auto}.section{padding:42px 0}.section.compact{padding:28px 0}.hero{display:grid;grid-template-columns:40fr 60fr;gap:30px;align-items:center}.hero-copy h1,.page-head h1{margin:0 0 18px;color:#137CD8;font-size:clamp(32px,4vw,40px);line-height:1.18;letter-spacing:-.02em}.hero-copy p,.page-head p{font-size:17px;line-height:1.85;margin:0 0 22px}.eyebrow{font-size:14px;color:#5D718A;font-weight:800;letter-spacing:.08em;margin-bottom:10px}.lead{font-size:18px;line-height:1.9}.muted{color:#5D718A}.media{position:relative;width:100%;max-width:100%;overflow:hidden;border-radius:12px;background:#EDF5FF;aspect-ratio:16/9;z-index:1}.media>img{position:absolute;inset:0;width:100%;height:100%;object-fit:contain;object-position:center center;display:block}.media-placeholder{display:flex;align-items:center;justify-content:center;color:#6A87A8;font-weight:700;text-align:center;padding:20px}.home-hero-media{height:270px;aspect-ratio:auto}.home-static{height:136px;aspect-ratio:auto}.module-media{height:212px;aspect-ratio:auto}.four-media{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}.directory-list{display:grid;gap:0;background:#fff;border:1px solid rgba(47,168,247,.14);border-radius:12px;overflow:hidden;box-shadow:0 10px 24px rgba(19,124,216,.10)}.directory-row{display:grid;grid-template-columns:170px 1fr;gap:18px;padding:18px 20px;border-bottom:1px solid rgba(47,168,247,.14);align-items:center}.directory-row:last-child{border-bottom:0}.directory-row strong{color:#137CD8}.notice-strip{padding:18px 20px;background:#F4F8FF;border:1px solid rgba(47,168,247,.14);border-radius:12px;line-height:1.8}.split{display:grid;grid-template-columns:1fr 1fr;gap:30px;align-items:center}.split.reverse .media{order:2}.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.card-grid.two{grid-template-columns:repeat(2,minmax(0,1fr))}.info-card,.text-card,.step-card,.question-card{background:#FFFFFF;border:1px solid rgba(47,168,247,.14);border-radius:12px;padding:22px;box-shadow:0 10px 24px rgba(19,124,216,.10)}.info-card h2,.text-card h2,.step-card h2,.question-card h2,.article-wrap h2,.split h2,.section-title{color:#137CD8;margin:0 0 12px;font-size:23px;line-height:1.35}.info-card p,.text-card p,.step-card p,.question-card p,.article-wrap p,.split p{font-size:16px;line-height:1.82;margin:0 0 14px}.article-wrap p:last-child,.info-card p:last-child,.text-card p:last-child,.step-card p:last-child,.question-card p:last-child{margin-bottom:0}.page-head{padding:42px 0 24px}.breadcrumb{font-size:14px;color:#5D718A;margin-bottom:14px}.breadcrumb a{color:#5D718A}.section-title{font-size:28px;margin-bottom:18px}.text-links{display:flex;flex-wrap:wrap;gap:12px}.text-links a{display:inline-flex;align-items:center;min-height:40px;padding:0 14px;background:#FFFFFF;border:1px solid rgba(47,168,247,.18);border-radius:10px;font-weight:700}.clean-list{margin:0;padding-left:20px}.clean-list li{margin:8px 0;line-height:1.75}.index-block{background:#fff;border:1px solid rgba(47,168,247,.14);border-radius:12px;padding:22px}.index-block a{display:block;padding:12px 0;border-bottom:1px solid rgba(47,168,247,.12);font-weight:700}.index-block a:last-child{border-bottom:0}.timeline{display:grid;gap:14px}.timeline-item{display:grid;grid-template-columns:42px 1fr;gap:14px;align-items:start}.timeline-num{width:42px;height:42px;border-radius:50%;display:grid;place-items:center;background:#EDF5FF;color:#137CD8;font-weight:800}.timeline-item div:last-child{background:#fff;border:1px solid rgba(47,168,247,.14);border-radius:12px;padding:18px}.faq-list{display:grid;gap:16px}.faq-item{background:#fff;border:1px solid rgba(47,168,247,.14);border-radius:12px;padding:22px}.faq-item h2{color:#137CD8;font-size:20px;margin:0 0 10px}.faq-item p{margin:0;line-height:1.82}.topic-table{width:100%;border-collapse:collapse;background:#fff;border-radius:12px;overflow:hidden;border:1px solid rgba(47,168,247,.14)}.topic-table th,.topic-table td{padding:15px 16px;text-align:left;border-bottom:1px solid rgba(47,168,247,.14);vertical-align:top}.topic-table th{color:#137CD8;background:#F7FBFF}.topic-table tr:last-child td{border-bottom:0}.age-note{border-left:4px solid #2FA8F7;background:#fff;padding:16px 18px;border-radius:0 12px 12px 0;line-height:1.8}.float-tools{position:fixed;right:14px;top:40%;z-index:8000;width:112px;display:grid;gap:8px}.float-tools>a,.float-tools>button{min-height:40px;border-radius:10px;border:1px solid rgba(47,168,247,.2);background:#fff;color:#137CD8;font-weight:800;display:flex;align-items:center;justify-content:center;text-align:center;padding:8px;font-size:13px}.float-tools .main-btn{border:0;color:#fff;border-radius:999px}.site-footer{background:#102B46;color:#EAF6FF;margin-top:28px}.footer-grid{max-width:1160px;margin:0 auto;padding:42px 18px 28px;display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:34px}.footer-grid h2{font-size:16px;color:#fff;margin:0 0 12px}.footer-grid a{display:block;color:#EAF6FF;padding:5px 0}.footer-grid p{line-height:1.8;color:#D7EAF8}.footer-bottom{max-width:1160px;margin:0 auto;padding:18px;border-top:1px solid rgba(234,246,255,.16);font-size:13px;line-height:1.7;color:#C9DCEA;display:flex;justify-content:space-between;gap:20px}.mobile-bottom{display:none}
@media(max-width:1100px){.float-tools{display:none}.nav-core a{padding:8px 8px}.header-inner{gap:8px}}
@media(max-width:980px){body{padding-bottom:64px}.header-inner{min-height:62px;padding:0 14px;display:grid;grid-template-columns:72px minmax(120px,1fr) 100px;gap:8px}.menu-toggle{display:inline-flex;align-items:center;justify-content:flex-start}.site-logo{justify-content:center;min-width:0}.site-logo img{height:32px;max-width:132px}.nav-core{display:none}.header-action{justify-self:end;min-width:88px;height:40px;padding:0 12px;font-size:14px}.channel-bar{display:none}.mobile-drawer{display:block;position:fixed;inset:0 auto 0 0;width:min(84vw,320px);background:#fff;z-index:12000;transform:translateX(-105%);transition:transform .2s ease;box-shadow:18px 0 40px rgba(16,43,70,.16)}.mobile-drawer.is-open{transform:translateX(0)}.drawer-mask{display:none;position:fixed;inset:0;background:rgba(16,43,70,.38);z-index:11000;opacity:0;pointer-events:none;transition:opacity .18s ease}.drawer-mask.is-visible{display:block;opacity:1;pointer-events:auto}.drawer-top{height:64px;padding:0 16px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid rgba(47,168,247,.14)}.drawer-close{min-height:40px;border:0;background:#F4F8FF;color:#137CD8;font-weight:800;border-radius:9px;padding:0 12px}.drawer-scroll{height:calc(100% - 64px);overflow:auto;padding:12px 16px 24px}.drawer-scroll section{padding:10px 0;border-bottom:1px solid rgba(47,168,247,.12)}.drawer-scroll h2{font-size:13px;color:#5D718A;margin:0 0 4px}.drawer-scroll a{display:block;color:#24364F;font-weight:700;padding:10px 4px}.mobile-bottom{position:fixed;left:0;right:0;bottom:0;height:58px;background:#FFFFFF;border-top:1px solid rgba(47,168,247,.2);z-index:8500;display:grid;grid-template-columns:repeat(4,1fr);padding-bottom:env(safe-area-inset-bottom)}.mobile-bottom a{display:flex;align-items:center;justify-content:center;color:#24364F;font-weight:800;font-size:13px}.hero{grid-template-columns:1fr;gap:22px}.hero-copy{order:1}.hero .media{order:2}.home-hero-media{height:180px}.four-media{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.home-static{height:120px}.split,.split.reverse{grid-template-columns:1fr;gap:20px}.split.reverse .media{order:initial}.module-media{height:190px}.card-grid,.card-grid.two{grid-template-columns:1fr}.directory-row{grid-template-columns:1fr;gap:6px}.footer-grid{grid-template-columns:1fr;gap:24px}.footer-bottom{display:block}.footer-bottom span{display:block;margin-top:8px}.section{padding:30px 0}.page-head{padding:30px 0 18px}.hero-copy h1,.page-head h1{font-size:clamp(26px,8vw,32px)}.article-wrap p,.split p,.info-card p,.text-card p,.step-card p,.question-card p{font-size:16px;line-height:1.78}.topic-table{display:block;overflow-x:auto}}
@media(max-width:430px){.header-inner{grid-template-columns:64px minmax(112px,1fr) 92px;padding:0 10px}.header-action{min-width:84px;padding:0 10px;font-size:13px}.site-logo img{max-width:122px}.wrap,.article-wrap{width:min(100% - 28px,1160px)}.four-media{grid-template-columns:repeat(2,minmax(0,1fr))}.home-static{height:108px}.section-title{font-size:24px}.info-card,.text-card,.step-card,.question-card{padding:18px}}