:root{--bg:#F4FAFC;--surface:#fff;--soft:#E7F3F6;--title:#0E3A46;--text:#24505A;--muted:#4A7380;--hint:#7A9AA4;--brand:#1A7F8F;--bright:#2BB3C4;--deep:#0F5B68;--light:#D7EEF2;--line:rgba(26,127,143,.16);--shadow:0 14px 34px rgba(14,58,70,.08);--radius:18px;--max:1200px}*{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","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;line-height:1.75;overflow-x:hidden}body.modal-lock{overflow:hidden}a{color:inherit;text-decoration:none}button,input{font:inherit}button{color:inherit}.site-header{position:fixed;inset:0 0 auto;z-index:50}.harbor-bar{height:58px;background:var(--soft);border-bottom:1px solid var(--line)}.harbor-inner{max-width:var(--max);height:100%;margin:auto;padding:0 20px;display:grid;grid-template-columns:1fr auto 1fr;align-items:center}.brand-center{display:flex;align-items:center;justify-content:center;min-width:120px;height:48px}.brand-logo{max-height:34px;max-width:180px;width:auto;height:auto;display:block}.brand-word{font-weight:800;letter-spacing:.08em;color:var(--title);font-size:19px}.round-action{width:44px;height:44px;border:1px solid var(--line);border-radius:999px;background:#fff;display:inline-grid;place-items:center;cursor:pointer;font-size:21px;transition:.2s}.round-action:hover,.round-action:focus-visible{border-color:var(--brand);box-shadow:0 0 0 4px rgba(43,179,196,.12);outline:none}.harbor-actions{justify-self:end;display:flex;align-items:center;gap:10px}.app-pill,.btn-primary,.btn-secondary{min-height:44px;display:inline-flex;align-items:center;justify-content:center;padding:0 20px;border-radius:999px;font-weight:700}.app-pill,.btn-primary{color:#fff;background:linear-gradient(135deg,#2BB3C4 0%,#1A7F8F 55%,#0F5B68 100%);box-shadow:0 8px 18px 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@media(max-width:720px){body{padding-bottom:calc(50px + env(safe-area-inset-bottom))}.harbor-inner{padding:0 16px;grid-template-columns:1fr auto 1fr}.harbor-actions{gap:0}.mobile-hide{display:none}.app-pill{padding:0 13px;font-size:14px}.brand-center{min-width:100px}.brand-logo{max-width:130px}.dock-bar{display:none}.page-main{padding-top:58px}.hero,.page-hero{padding-left:16px;padding-right:16px}.hero{padding-top:26px}.hero-grid{padding:24px 18px}.section{padding:42px 16px}.section.tight{padding:28px 16px}.section-head{align-items:flex-start;flex-direction:column;gap:6px}.card-grid,.window-grid,.hobby-grid,.story-grid,.reading-path,.gallery-grid{grid-template-columns:1fr}.district-grid{grid-template-columns:1fr}.article-flow{padding:24px 18px;border-radius:18px}.page-layout{gap:18px}.sea-grid{grid-template-columns:1fr}.modal-card{max-height:86vh}.mobile-bottom{position:fixed;z-index:60;left:0;right:0;bottom:0;height:calc(50px + env(safe-area-inset-bottom));padding-bottom:env(safe-area-inset-bottom);display:grid;grid-template-columns:repeat(5,1fr);background:#fff;border-top:1px solid var(--line);box-shadow:0 -8px 24px rgba(14,58,70,.08)}.mobile-bottom a{min-width:0;height:50px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:1px;font-size:12px;color:var(--muted)}.mobile-bottom a span{font-size:16px;line-height:1}.mobile-bottom a.is-current{color:var(--brand);font-weight:800}.overlay{z-index:80}.modal-card{z-index:90}.footer-brand{flex-direction:column}.footer-map{grid-template-columns:repeat(2,1fr)}.app-showcase{grid-template-columns:1fr}.app-art{max-width:280px;margin:auto}.hero-media img,.hero-media .image-slot{height:210px}.index-entry{grid-template-columns:42px 1fr;gap:10px}}@media(max-width:390px){.harbor-inner{padding:0 12px}.app-pill{padding:0 10px;font-size:13px}.brand-word{font-size:17px}.footer-map{grid-template-columns:1fr}}