:root{--paper:#F3F8FD;--deep:#DCEAF6;--white:#FFFFFF;--navy:#0E3A5C;--text:#24384C;--muted:#5A7388;--aux:#7A93A8;--sky:#5BA3D0;--tide:#3D7EA6;--mist:#C5E4F5;--sand:#E8C9A0;--border:rgba(14,58,92,.12);--shadow:0 14px 34px rgba(14,58,92,.10);--max:1120px;--head-h:122px}*{box-sizing:border-box}html{scroll-behavior:smooth;overflow-x:hidden}body{margin:0;background:var(--paper);color:var(--text);font:16px/1.75 system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;overflow-x:hidden}a{color:inherit;text-decoration:none}button,input{font:inherit}.site-head{position:fixed;z-index:80;top:0;left:0;right:0}.head-wrap,.bridge-wrap,.footer-wrap,.content-wrap{width:min(var(--max),calc(100% - 32px));margin:auto}.tide-line{height:8px;background:var(--tide);color:#fff;overflow:visible}.tide-line-inner{height:8px;display:flex;align-items:center;justify-content:space-between;font-size:10px;line-height:1;position:relative}.tide-line-inner span{transform:translateY(10px);background:var(--tide);padding:2px 7px;border-radius:0 0 5px 5px;letter-spacing:.04em}.text-button{border:0;background:var(--tide);color:#fff;min-height:44px;padding:0 14px;cursor:pointer;transform:translateY(18px);border-radius:0 0 8px 8px}.tide-stage{height:50px;background:#fff;border-bottom:1px solid var(--mist)}.tide-stage-inner{height:100%;display:flex;align-items:center;justify-content:space-between}.brand-link{display:inline-flex;align-items:center;min-height:44px;max-width:220px}.brand-logo{display:block;height:26px;max-width:210px;width:auto;object-fit:contain}.brand-fallback{font-weight:800;color:var(--navy);font-size:21px}.head-actions{display:flex;gap:8px;align-items:center}.stage-button{min-height:44px;display:inline-flex;align-items:center;justify-content:center;border:1px solid var(--sky);background:#fff;color:var(--navy);padding:0 16px;border-radius:10px;cursor:pointer}.stage-button.primary{background:var(--tide);color:#fff;border-color:var(--tide)}.tide-bridge{height:64px;background:var(--mist);border-bottom:1px solid rgba(255,255,255,.8)}.bridge-wrap{height:64px;display:grid;grid-template-columns:repeat(5,1fr)}.bridge-wrap a{display:flex;align-items:center;justify-content:center;min-width:0;color:var(--navy);font-weight:700;border-right:1px solid rgba(255,255,255,.9)}.bridge-wrap a:first-child{border-left:1px solid rgba(255,255,255,.9)}.bridge-wrap a.active{background:#fff}.site-main{padding-top:calc(var(--head-h) + 28px);min-height:70vh}.content-wrap{padding:18px 0 64px}.hero-card,.section-card,.three-card article,.notice-box,.faq-item{background:#fff;border:1px solid var(--border);box-shadow:var(--shadow);border-radius:12px}.hero-card{padding:22px;margin-bottom:20px}.eyebrow{font-size:13px;font-weight:800;letter-spacing:.08em;color:var(--tide);margin:0 0 4px}.hero-card h1{font-size:clamp(28px,4vw,32px);line-height:1.25;color:var(--navy);margin:0 0 12px}.lead{font-size:17px;max-width:780px;margin:0;color:var(--text)}.hero-actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}.btn{display:inline-flex;min-height:44px;align-items:center;justify-content:center;border-radius:10px;padding:0 16px;border:1px solid var(--sky);font-weight:700}.btn.primary{background:var(--tide);color:#fff;border-color:var(--tide)}.btn.secondary{background:#fff;color:var(--navy)}.cover-slot,.image-slot{background:linear-gradient(135deg,var(--deep),var(--paper));border:1px solid var(--border);border-radius:12px;display:flex;align-items:center;justify-content:center;overflow:hidden}.cover-slot{height:min(200px,28vw);min-height:145px;margin-bottom:18px}.cover-slot img,.image-slot img{width:100%;height:100%;object-fit:contain;object-position:center}.cover-fallback{font-weight:800;color:var(--navy);font-size:24px}.image-slot{height:170px;margin:0 0 14px}.section-card{padding:22px;margin:18px 0}.section-card h2,.three-card h2,.notice-box h2{margin:0 0 10px;color:var(--navy);font-size:22px;line-height:1.35}.section-card h3{color:var(--navy);font-size:18px;margin:18px 0 6px}.section-card p{margin:0 0 12px}.section-card p:last-child{margin-bottom:0}.section-card ul{margin:8px 0 0;padding-left:20px}.three-card{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin:18px 0}.three-card article{padding:16px}.three-card p{margin:0 0 12px}.section-split{display:grid;grid-template-columns:1.35fr .65fr;gap:18px;align-items:start}.section-split.reverse{grid-template-columns:.65fr 1.35fr}.section-split .image-slot{height:220px}.sand-accent{border-top:4px solid var(--sand)}.tagline{display:inline-block;background:var(--mist);color:var(--navy);font-weight:800;font-size:13px;padding:5px 10px;border-radius:8px;margin-bottom:10px}.link-row{display:flex;gap:10px;flex-wrap:wrap;margin-top:14px}.link-row a{color:var(--tide);font-weight:800}.notice-box{padding:18px 20px;margin:18px 0;background:var(--deep)}.notice-box p{margin:0}.article-prose{max-width:860px}.article-prose h2{color:var(--navy);font-size:23px;margin:28px 0 8px}.article-prose h3{color:var(--navy);font-size:18px;margin:20px 0 6px}.article-prose p{margin:0 0 14px}.article-prose ul,.article-prose ol{padding-left:22px}.meta-note{color:var(--muted);font-size:14px}.faq-list{display:grid;gap:14px}.faq-item{padding:18px}.faq-item h2{font-size:19px;color:var(--navy);margin:0 0 8px}.faq-item p{margin:0}.site-footer{background:var(--navy);color:var(--mist);padding:38px 0 calc(34px + env(safe-area-inset-bottom))}.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:24px}.footer-logo{height:26px;max-width:210px;object-fit:contain;filter:brightness(0) invert(1)}.footer-brand div{display:flex;flex-direction:column}.footer-brand strong{color:#fff;font-size:18px}.footer-brand span{font-size:12px;letter-spacing:.08em}.footer-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}.footer-grid h2{color:#fff;font-size:15px;margin:0 0 10px}.footer-grid a{display:block;padding:3px 0;color:var(--mist)}.footer-note{border-top:1px solid rgba(197,228,245,.22);padding-top:18px;margin-top:22px}.copyright{margin-bottom:0;color:#fff}.screen-mask{position:fixed;z-index:90;inset:0;background:rgba(14,58,92,.34)}.screen-mask[hidden]{display:none}.tide-bay,.search-layer{position:fixed;z-index:100;background:#fff;box-shadow:0 18px 50px rgba(14,58,92,.22);transition:opacity .18s ease,transform .18s ease}.tide-bay{top:58px;left:0;width:300px;height:480px;max-height:calc(100vh - 74px);border-radius:0 0 12px 0;overflow:auto}.search-layer{top:58px;left:max(16px,calc((100vw - var(--max))/2));width:440px;max-width:calc(100vw - 32px);padding:18px;border-radius:0 0 12px 12px}.tide-bay[aria-hidden="true"],.search-layer[aria-hidden="true"]{visibility:hidden;opacity:0;pointer-events:none;transform:translateY(-8px)}.tide-bay[aria-hidden="false"],.search-layer[aria-hidden="false"]{visibility:visible;opacity:1;pointer-events:auto;transform:none}.overlay-open{overflow:hidden}.bay-head,.search-head{display:flex;align-items:center;justify-content:space-between;padding:14px;border-bottom:1px solid var(--border)}.bay-brand{display:flex;align-items:center;gap:8px;color:var(--navy)}.bay-brand img{height:24px;max-width:150px;object-fit:contain}.close-button{min-height:44px;border:1px solid var(--sky);background:#fff;color:var(--navy);border-radius:10px;padding:0 12px;cursor:pointer}.bay-groups{padding:10px 14px 18px}.bay-groups section{margin-bottom:14px}.bay-groups h2{font-size:13px;color:var(--tide);margin:0 0 5px}.bay-groups a{display:block;padding:7px 0;border-bottom:1px solid var(--border)}.bay-groups b{display:block;color:var(--navy);font-size:14px}.bay-groups span{display:block;color:var(--muted);font-size:12px;line-height:1.5}.search-head{padding:0 0 12px;border:0}.search-layer label{display:block;color:var(--muted);font-size:14px;margin-bottom:9px}.search-layer input{width:100%;min-height:44px;border:1px solid var(--sky);border-radius:10px;padding:0 12px;color:var(--text);outline:none}.search-layer input:focus{box-shadow:0 0 0 3px rgba(91,163,208,.18)}.preset-links{display:grid;grid-template-columns:repeat(2,1fr);gap:8px;margin-top:12px}.preset-links a{min-height:44px;border:1px solid var(--border);border-radius:10px;display:flex;align-items:center;padding:0 12px;color:var(--navy);font-weight:700}.mobile-nav{display:none}.btn:focus-visible,a:focus-visible,button:focus-visible,input:focus-visible{outline:3px solid rgba(91,163,208,.45);outline-offset:2px}.btn:hover,.stage-button:hover,.preset-links a:hover{border-color:var(--tide)}
@media(max-width:760px){:root{--head-h:58px}.tide-bridge{display:none}.site-main{padding-top:calc(var(--head-h) + 18px)}.head-wrap,.footer-wrap,.content-wrap{width:calc(100% - 32px)}.tide-line-inner span{font-size:9px}.stage-button{padding:0 11px}.head-actions{gap:6px}.brand-link{max-width:145px}.brand-logo{max-width:145px}.tide-bay{top:58px;width:calc(100% - 16px);height:62vh;border-radius:0 0 12px 0}.search-layer{top:58px;left:16px;width:calc(100% - 32px)}.three-card{grid-template-columns:1fr}.section-split,.section-split.reverse{grid-template-columns:1fr}.section-split .image-slot{height:180px}.cover-slot{height:180px}.footer-grid{grid-template-columns:repeat(2,1fr)}.site-footer{padding-bottom:calc(84px + env(safe-area-inset-bottom))}.mobile-nav{display:grid;position:fixed;z-index:70;left:0;right:0;bottom:0;height:calc(50px + env(safe-area-inset-bottom));padding-bottom:env(safe-area-inset-bottom);grid-template-columns:repeat(5,1fr);background:#fff;border-top:1px solid var(--border);box-shadow:0 -8px 24px rgba(14,58,92,.08)}.mobile-nav a{display:flex;align-items:center;justify-content:center;min-height:50px;color:var(--navy);font-size:14px;font-weight:700}.mobile-nav a.active{background:var(--tide);color:#fff}.screen-mask{z-index:90}.hero-card,.section-card{padding:18px}.hero-card h1{font-size:28px}.preset-links{grid-template-columns:1fr 1fr}}
@media(max-width:390px){.stage-button{padding:0 9px;font-size:14px}.brand-link{max-width:120px}.brand-logo{max-width:120px}.footer-grid{grid-template-columns:1fr 1fr;gap:18px 12px}}