:root{--mist:#F4FAFC;--white:#FFFFFF;--soft:#E7F3F6;--title:#0E3A46;--text:#24505A;--muted:#4A7380;--light:#7A9AA4;--sea:#1A7F8F;--bright:#2BB3C4;--deep:#0F5B68;--pale:#D7EEF2;--line:rgba(26,127,143,.16);--shadow:0 14px 34px rgba(14,58,70,.08);--max:1180px}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--mist);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Microsoft YaHei","PingFang SC",Arial,sans-serif;font-size:16px;line-height:1.78;overflow-x:hidden}a{color:var(--deep);text-decoration:none}a:hover{color:var(--sea)}a:focus-visible,button:focus-visible,input:focus-visible{outline:3px solid rgba(43,179,196,.42);outline-offset:2px}button,input{font:inherit}.site-top{position:fixed;z-index:50;top:0;left:0;right:0}.mist-line{height:20px;background:var(--deep);color:#fff;font-size:12px}.top-inner,.dock-inner,.shell-inner,.footer-inner{width:min(var(--max),calc(100% - 32px));margin:0 auto}.top-inner{height:20px;display:flex;align-items:center;justify-content:space-between}.text-button{border:0;background:transparent;color:#fff;padding:0 8px;height:20px;cursor:pointer}.dock-bar{height:62px;background:#fff;border-bottom:1px solid var(--line)}.dock-inner{height:62px;display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:16px}.brand-link{justify-self:start;min-height:44px;display:flex;align-items:center}.brand-logo{display:block;max-width:190px;height:auto;max-height:36px;object-fit:contain}.brand-text{font-weight:800;font-size:20px;color:var(--title)}.drawer-trigger,.app-link{min-height:44px;border-radius:12px;display:inline-flex;align-items:center;justify-content:center;font-weight:700}.drawer-trigger{border:1px solid var(--line);background:var(--pale);color:var(--deep);padding:0 18px;cursor:pointer}.app-link{justify-self:end;color:#fff;padding:0 18px;background:linear-gradient(135deg,#2BB3C4 0%,#1A7F8F 55%,#0F5B68 100%)}.shell-tabs{height:42px;background:var(--pale);border-bottom:1px solid var(--line)}.shell-inner{height:42px;display:flex;align-items:center;gap:8px;overflow:hidden}.shell-inner a{display:inline-flex;align-items:center;height:30px;padding:0 12px;border-radius:8px;color:var(--deep);white-space:nowrap}.shell-inner a.is-current{background:var(--sea);color:#fff}.site-main{padding-top:148px;min-height:60vh}.page-wrap{width:min(var(--max),calc(100% - 32px));margin:0 auto}.hero-title{padding:28px 0 18px}.eyebrow{margin:0 0 6px;color:var(--sea);font-weight:800;letter-spacing:.08em}.hero-title h1{margin:0;color:var(--title);font-size:clamp(28px,4vw,32px);line-height:1.35}.lead{max-width:820px;color:var(--muted);font-size:17px}.banner-frame{width:100%;background:#fff;border:1px solid var(--line);border-radius:16px;padding:12px;box-shadow:var(--shadow);overflow:visible}.home-banner{display:block;width:100%;height:auto;max-width:100%;object-fit:contain;object-position:center;border-radius:0}.banner-placeholder{aspect-ratio:16/9;min-height:220px;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,var(--pale),#fff);color:var(--title);font-size:clamp(26px,5vw,48px);font-weight:800;border-radius:10px}.hero-copy{padding:26px 4px 10px}.hero-copy h1{margin:4px 0 12px;color:var(--title);font-size:clamp(28px,4vw,32px)}.button-row{display:flex;gap:12px;flex-wrap:wrap;margin-top:20px}.btn{min-height:44px;padding:10px 18px;border-radius:12px;display:inline-flex;align-items:center;justify-content:center;font-weight:800}.btn-primary{color:#fff;background:linear-gradient(135deg,#2BB3C4 0%,#1A7F8F 55%,#0F5B68 100%)}.btn-secondary{background:#fff;border:1px solid var(--line);color:var(--deep)}.section{padding:34px 0}.section-head{display:flex;align-items:end;justify-content:space-between;gap:20px;margin-bottom:18px}.section-head h2{margin:0;color:var(--title);font-size:24px}.section-head p{margin:0;color:var(--muted);max-width:650px}.step-grid,.card-grid,.info-grid,.gallery-grid{display:grid;gap:16px}.step-grid{grid-template-columns:repeat(4,1fr)}.step-card,.card,.info-card,.article-block,.faq-item{background:#fff;border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow)}.step-card{padding:18px;border-top:5px solid var(--bright)}.step-card:nth-child(even){border-top-color:var(--deep)}.step-card h3,.card h3,.info-card h3{margin:0 0 8px;color:var(--title)}.step-card p,.card p,.info-card p{margin:0;color:var(--muted)}.card-grid{grid-template-columns:repeat(4,1fr)}.card{padding:14px}.media-slot{height:200px;background:var(--soft);border-radius:12px;display:flex;align-items:center;justify-content:center;margin-bottom:14px;overflow:visible}.content-image{display:block;width:100%;height:100%;object-fit:contain;object-position:center;border-radius:10px}.wide-media{min-height:220px;background:var(--soft);border-radius:16px;padding:12px;display:flex;align-items:center;justify-content:center}.wide-media .content-image{height:auto;max-height:360px}.split{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(300px,.9fr);gap:24px;align-items:start}.number-list{display:grid;gap:12px}.number-item{display:grid;grid-template-columns:52px 1fr;gap:12px;padding:14px;background:#fff;border:1px solid var(--line);border-radius:14px}.number-item b{color:var(--sea);font-size:22px}.number-item h3{margin:0 0 4px;color:var(--title)}.number-item p{margin:0;color:var(--muted)}.info-grid{grid-template-columns:repeat(4,1fr)}.info-card{padding:20px}.article-block{padding:24px;margin-bottom:18px}.article-block h2{margin:0 0 10px;color:var(--title);font-size:22px}.article-block h3{color:var(--deep)}.article-block p{margin:0 0 12px}.article-block p:last-child{margin-bottom:0}.article-block ul{margin:8px 0;padding-left:22px}.article-block li{margin:6px 0}.gallery-grid{grid-template-columns:repeat(2,1fr)}.gallery-item{background:#fff;border:1px solid var(--line);border-radius:16px;padding:12px}.gallery-item .media-slot{height:220px}.gallery-item p{margin:10px 4px;color:var(--muted)}.note-strip{padding:18px 20px;border-left:4px solid var(--sea);background:var(--pale);color:var(--deep);border-radius:0 14px 14px 0}.faq-list{display:grid;gap:14px}.faq-item{padding:22px}.faq-item h2{font-size:19px;margin:0 0 8px;color:var(--title)}.faq-item p{margin:0}.site-footer{margin-top:44px;background:var(--title);color:#D4E8EC}.footer-inner{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:auto;max-height:34px;max-width:180px;object-fit:contain}.footer-brand strong{display:block;color:#fff;font-size:20px}.footer-brand span{font-size:12px;letter-spacing:.12em}.footer-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}.footer-grid h2{font-size:15px;color:#fff;margin:0 0 8px}.footer-grid a{display:block;color:#D4E8EC;padding:4px 0}.footer-note{margin:26px 0 8px;padding-top:18px;border-top:1px solid rgba(255,255,255,.12)}.copyright{margin:0;color:#9FC4CC}.page-mask{position:fixed;inset:0;background:rgba(14,58,70,.34);opacity:0;visibility:hidden;pointer-events:none;transition:.25s;z-index:80}.page-mask.is-open{opacity:1;visibility:visible;pointer-events:auto}.tide-drawer{position:fixed;top:0;right:0;width:min(410px,86vw);height:100vh;background:var(--mist);z-index:90;transform:translateX(105%);visibility:hidden;pointer-events:none;transition:transform .28s ease,visibility .28s;overflow-y:auto;padding:16px}.tide-drawer.is-open{transform:none;visibility:visible;pointer-events:auto}.drawer-head{display:flex;align-items:center;justify-content:space-between;position:sticky;top:0;background:var(--mist);padding:6px 0 12px;z-index:2}.drawer-brand{display:flex;align-items:center;gap:10px;color:var(--title)}.drawer-brand img{max-height:32px;max-width:150px;object-fit:contain}.icon-close{width:44px;height:44px;border:1px solid var(--line);background:#fff;color:var(--deep);border-radius:12px;font-size:25px;cursor:pointer}.wave-card{background:#fff;border:1px solid var(--line);border-radius:18px;padding:14px;margin:10px 0;box-shadow:var(--shadow)}.wave-card h2{margin:0 0 8px;color:var(--sea);font-size:16px}.wave-card a{display:block;padding:10px;border-radius:10px}.wave-card a:hover{background:var(--soft)}.wave-card strong,.wave-card span{display:block}.wave-card strong{color:var(--title)}.wave-card span{color:var(--muted);font-size:13px;line-height:1.5;margin-top:2px}.search-layer{position:fixed;z-index:95;top:82px;left:50%;width:min(760px,calc(100% - 32px));transform:translate(-50%,-18px);opacity:0;visibility:hidden;pointer-events:none;transition:.22s}.search-layer.is-open{transform:translate(-50%,0);opacity:1;visibility:visible;pointer-events:auto}.search-card{background:#fff;border:1px solid var(--line);border-radius:16px;padding:20px;box-shadow:0 24px 60px rgba(14,58,70,.18)}.search-head{display:flex;justify-content:space-between;align-items:center}.search-head h2{margin:0;color:var(--title)}.search-card label{display:block;margin:12px 0 8px;color:var(--muted)}.search-card input{width:100%;height:48px;border:1px solid var(--line);border-radius:12px;padding:0 14px;color:var(--title);background:var(--mist)}.preset-links{display:flex;gap:8px;flex-wrap:wrap;margin-top:14px}.preset-links a{background:var(--pale);padding:8px 12px;border-radius:10px;color:var(--deep)}.layer-open{overflow:hidden}.mobile-bottom{display:none}.quiet-list{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.quiet-list a{display:block;background:#fff;border:1px solid var(--line);border-radius:14px;padding:18px}.quiet-list strong{display:block;color:var(--title);margin-bottom:4px}.quiet-list span{color:var(--muted)}
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@media(max-width:700px){body{padding-bottom:calc(50px + env(safe-area-inset-bottom))}.shell-tabs{display:none}.site-main{padding-top:106px}.dock-inner{grid-template-columns:minmax(0,1fr) auto auto;gap:8px}.brand-logo{max-width:130px;max-height:32px}.brand-text{font-size:17px}.drawer-trigger,.app-link{padding:0 10px;font-size:14px}.top-inner,.dock-inner,.shell-inner,.footer-inner,.page-wrap{width:calc(100% - 32px)}.banner-frame{padding:8px;border-radius:14px}.home-banner{width:100%;height:auto;max-height:none}.banner-placeholder{min-height:170px}.section{padding:26px 0}.step-grid,.card-grid,.info-grid,.gallery-grid,.quiet-list{grid-template-columns:1fr}.card-grid{gap:14px}.media-slot,.gallery-item .media-slot{height:210px}.footer-grid{grid-template-columns:1fr 1fr}.mobile-bottom{position:fixed;display:grid;grid-template-columns:repeat(5,1fr);left:0;right:0;bottom:0;z-index:60;height:calc(50px + env(safe-area-inset-bottom));padding-bottom:env(safe-area-inset-bottom);background:#fff;border-top:1px solid var(--line)}.mobile-bottom a{display:flex;align-items:center;justify-content:center;min-height:50px;color:var(--deep);font-size:14px}.mobile-bottom a.is-current{background:var(--sea);color:#fff}.search-layer{top:88px;width:calc(100% - 24px)}.search-card{background:var(--pale)}.footer-inner{padding-bottom:36px}.site-footer{margin-bottom:0}}
@media(max-width:420px){.footer-grid{grid-template-columns:1fr}.dock-inner{gap:5px}.drawer-trigger,.app-link{padding:0 8px;font-size:13px}.brand-logo{max-width:108px}.top-inner{font-size:11px}}