:root{--bg:#F3FAF7;--deep:#E4F3EE;--surface:#FFFFFF;--soft:#D8EFE8;--ink:#12332E;--text:#1E403A;--muted:#4E6F68;--subtle:#6A8A82;--brand:#0F7A6B;--bright:#1B9A88;--brand-deep:#0B5C52;--sand:#F7F1E6;--line:rgba(15,122,107,.16);--line-strong:rgba(15,122,107,.42);--shadow:0 12px 28px rgba(11,92,82,.08);--radius:12px;--max:1120px}
*{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;font-size:15px;line-height:1.7;overflow-x:hidden}body.is-locked{overflow:hidden}a{color:inherit;text-decoration:none}button,input{font:inherit}button{color:inherit}.shell-inner,.content-wrap,.footer-inner{width:min(calc(100% - 32px),var(--max));margin:0 auto}.site-shell{position:relative;z-index:80}.tide-line{position:fixed;top:0;left:0;right:0;height:22px;background:var(--brand-deep);color:#fff;z-index:90;font-size:12px}.tide-inner{height:22px;display:flex;align-items:center;justify-content:space-between}.tide-brand{font-weight:650;letter-spacing:.02em}.text-button{border:0;background:transparent;color:#fff;min-height:22px;padding:0 6px;cursor:pointer}.cape-bar{position:fixed;top:22px;left:0;right:0;height:60px;background:#fff;border-bottom:1px solid var(--line);z-index:89}.cape-inner{height:60px;display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:16px}.brand-lockup{justify-self:start;min-width:82px;display:inline-flex;align-items:center;min-height:44px}.brand-logo,.footer-logo{height:28px;width:auto;max-width:150px;object-fit:contain;object-position:center}.brand-fallback{font-size:16px;font-weight:800;color:var(--brand-deep)}.drawer-trigger{justify-self:center;min-height:44px;min-width:78px;border:1px solid var(--line-strong);border-radius:999px;background:#fff;color:var(--brand-deep);font-weight:750;cursor:pointer}.app-link{justify-self:end;min-height:44px;display:inline-flex;align-items:center;padding:0 16px;border-radius:999px;background:linear-gradient(135deg,#1B9A88 0%,#0F7A6B 55%,#0B5C52 100%);color:#fff;font-weight:750}.island-tabs{position:fixed;top:82px;left:0;right:0;height:40px;background:var(--soft);border-bottom:1px solid var(--line);z-index:88}.tab-inner{height:40px;display:flex;align-items:center;justify-content:center;gap:8px}.tab-link{height:30px;display:inline-flex;align-items:center;padding:0 15px;border-radius:999px;font-size:13px;color:var(--brand-deep)}.tab-link.is-current{background:var(--brand);color:#fff}.site-main{padding-top:122px;min-height:70vh}.content-wrap{padding:32px 0 54px}.page-head{margin-bottom:22px}.eyebrow{font-size:13px;color:var(--brand);font-weight:800;letter-spacing:.08em;text-transform:uppercase}.page-head h1,.hero-copy h1{margin:6px 0 12px;color:var(--ink);font-size:24px;line-height:1.3}.page-head p,.lead{margin:0;max-width:780px;color:var(--muted)}h2{font-size:20px;line-height:1.4;color:var(--ink);margin:0 0 12px}h3{font-size:16px;line-height:1.45;color:var(--ink);margin:0 0 8px}p{margin:0 0 14px}.section{margin-top:26px}.panel,.card,.article-block,.timeline-item,.path-card,.faq-item,.index-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}.panel,.article-block{padding:22px}.card,.path-card,.faq-item,.index-card{padding:18px}.soft-panel{background:var(--sand)}.mint-panel{background:var(--deep)}.grid-2,.grid-3,.grid-4,.card-grid,.footer-grid{display:grid;gap:16px}.grid-2{grid-template-columns:repeat(2,minmax(0,1fr))}.grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}.grid-4{grid-template-columns:repeat(4,minmax(0,1fr))}.button-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}.btn{min-height:42px;display:inline-flex;align-items:center;justify-content:center;padding:0 18px;border-radius:999px;font-size:14px;font-weight:760}.btn-primary{background:linear-gradient(135deg,#1B9A88 0%,#0F7A6B 55%,#0B5C52 100%);color:#fff}.btn-secondary{background:#fff;border:1px solid var(--line-strong);color:var(--brand-deep)}.btn:hover,.app-link:hover,.drawer-trigger:hover,.tab-link:hover{transform:translateY(-1px)}a:focus-visible,button:focus-visible,input:focus-visible{outline:3px solid rgba(27,154,136,.30);outline-offset:3px}.media-slot{width:100%;display:flex;align-items:center;justify-content:center;background:var(--sand);border:1px solid var(--line);border-radius:14px;overflow:hidden;position:relative}.media-slot:empty::after{content:"沿海影像留白";color:var(--subtle);font-size:13px}.media-slot img{width:100%;height:100%;object-fit:contain;object-position:center}.media-banner{height:260px}.media-card{height:180px}.media-wide{height:200px}.media-app{height:min(360px,62vw)}.hero{padding:28px 0 10px}.hero-copy{padding:22px 0 0;max-width:840px}.hero-copy .brand-title{font-size:13px;font-weight:850;letter-spacing:.08em;color:var(--brand)}.feature-card .media-slot{margin-bottom:14px}.numbered-list{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;margin:16px 0}.numbered-list div{background:var(--deep);border:1px solid var(--line);border-radius:10px;padding:14px}.numbered-list strong{display:block;color:var(--brand);font-size:13px;margin-bottom:4px}.shelf{display:grid;gap:10px}.shelf a,.shelf div{display:grid;grid-template-columns:110px 1fr;gap:14px;padding:13px 0;border-bottom:1px solid var(--line)}.shelf a:last-child,.shelf div:last-child{border-bottom:0}.shelf strong{color:var(--brand-deep)}.caption-grid{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:12px}.caption-card{padding:15px;background:#fff;border:1px solid var(--line);border-radius:12px}.timeline{position:relative;display:grid;gap:14px}.timeline::before{content:"";position:absolute;left:14px;top:8px;bottom:8px;width:2px;background:var(--line-strong)}.timeline-item{position:relative;padding:18px 18px 18px 42px}.timeline-item::before{content:"";position:absolute;left:8px;top:24px;width:14px;height:14px;border-radius:50%;background:var(--brand);border:3px solid var(--deep)}.status{display:inline-flex;align-items:center;min-height:26px;padding:0 9px;border-radius:999px;background:var(--deep);color:var(--brand-deep);font-size:12px;font-weight:800}.prose p:last-child{margin-bottom:0}.prose ul{margin:0 0 14px;padding-left:1.25em}.prose li{margin:4px 0}.meta-note{font-size:13px;color:var(--subtle)}.quote{padding:17px 18px;border-left:4px solid var(--brand);background:var(--deep);border-radius:0 10px 10px 0;margin:18px 0}.split-feature{display:grid;grid-template-columns:minmax(0,.8fr) minmax(0,1.2fr);gap:20px;align-items:center}.path-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.path-card .path-kicker{color:var(--brand);font-size:12px;font-weight:850}.index-card a{color:var(--brand-deep);font-weight:800}.faq-list{display:grid;gap:12px}.faq-item h2{font-size:16px;margin-bottom:8px}.app-brand-row{display:flex;align-items:center;gap:12px;color:var(--text);margin-bottom:10px}.app-brand-row strong{display:block;color:var(--ink);font-size:16px}.app-brand-row span{display:block;color:var(--muted);font-size:12px}.app-icon{width:48px;height:48px;object-fit:contain;object-position:center}.app-icon-spaced{margin-bottom:12px}.site-footer{background:var(--brand-deep);color:var(--soft);border-top:1px solid rgba(247,241,230,.5);padding:34px 0 86px}.footer-brand-row{display:flex;align-items:flex-end;justify-content:space-between;gap:18px;padding-bottom:20px;border-bottom:1px solid rgba(216,239,232,.18)}.footer-brand{display:flex;align-items:center;gap:12px}.footer-brand strong{display:block;color:#fff;font-size:16px}.footer-brand span{display:block;font-size:12px;letter-spacing:.1em}.footer-brand-row p{margin:0;max-width:470px;font-size:13px;color:var(--soft)}.footer-grid{grid-template-columns:repeat(4,minmax(0,1fr));padding:24px 0}.footer-grid h2{font-size:13px;color:var(--sand);margin-bottom:8px}.footer-grid a{display:block;font-size:13px;padding:4px 0;color:var(--soft)}.footer-note,.copyright{font-size:13px;color:var(--soft)}.copyright{margin-bottom:0}.site-overlay{position:fixed;inset:0;background:rgba(8,32,29,.48);z-index:109;opacity:0;visibility:hidden;pointer-events:none;transition:.2s ease}.site-overlay.is-active{opacity:1;visibility:visible;pointer-events:auto}.port-drawer{position:fixed;top:0;right:0;bottom:0;width:400px;max-width:86vw;background:#fff;z-index:111;transform:translateX(102%);visibility:hidden;pointer-events:none;transition:transform .25s ease,visibility .25s}.port-drawer.is-open{transform:translateX(0);visibility:visible;pointer-events:auto}.drawer-head{height:72px;display:flex;align-items:center;justify-content:space-between;padding:0 18px;border-bottom:1px solid var(--line);background:var(--sand)}.drawer-brand{display:flex;align-items:center;gap:10px;color:var(--brand-deep)}.icon-close{min-width:56px;min-height:44px;border:1px solid var(--line-strong);background:#fff;border-radius:999px;color:var(--brand-deep);font-weight:750;cursor:pointer}.drawer-body{height:calc(100% - 72px);overflow-y:auto;padding:16px 18px 28px}.drawer-group{padding:10px 0}.drawer-group h2{font-size:13px;color:var(--subtle);margin-bottom:6px}.drawer-group a{display:block;padding:10px 0;border-bottom:1px solid var(--line)}.drawer-group a strong{display:block;color:var(--ink);font-size:14px}.drawer-group a span{display:block;color:var(--muted);font-size:12px;line-height:1.5;margin-top:2px}.search-layer{position:fixed;top:82px;left:0;right:0;z-index:110;visibility:hidden;pointer-events:none;opacity:0;transition:.2s ease}.search-layer.is-open{visibility:visible;pointer-events:auto;opacity:1}.search-card{width:min(calc(100% - 32px),720px);margin:12px auto;background:#fff;border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow);padding:18px}.search-head{display:flex;align-items:flex-start;justify-content:space-between;gap:16px}.search-head strong{display:block;font-size:18px;color:var(--ink)}.search-head span{display:block;font-size:13px;color:var(--muted)}.search-label{display:block;margin:16px 0 6px;font-size:13px;color:var(--muted)}.search-input{width:100%;height:44px;border:1px solid var(--line-strong);border-radius:10px;background:#fff;color:var(--text);padding:0 12px}.search-presets{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;margin-top:14px}.search-presets a{min-height:44px;display:flex;align-items:center;justify-content:center;border:1px solid var(--line);background:var(--deep);border-radius:10px;color:var(--brand-deep);font-weight:750}.search-empty{font-size:13px;color:var(--muted);margin:14px 0 0}.mobile-bottom{display:none}
@media(max-width:820px){.grid-4,.caption-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.grid-3{grid-template-columns:1fr}.split-feature{grid-template-columns:1fr}.numbered-list{grid-template-columns:repeat(2,minmax(0,1fr))}.footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.footer-brand-row{align-items:flex-start;flex-direction:column}.site-main{padding-top:82px}.island-tabs{display:none}.content-wrap{padding-top:24px}.cape-inner{gap:8px}.brand-lockup{min-width:56px}.drawer-trigger{min-width:72px}.app-link{padding:0 11px}.mobile-bottom{position:fixed;left:0;right:0;bottom:0;z-index:70;height:calc(48px + 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(11,92,82,.08)}.mobile-bottom a{display:flex;align-items:center;justify-content:center;min-height:48px;font-size:12px;color:var(--brand-deep)}.mobile-bottom a.is-current{background:var(--brand);color:#fff}.site-footer{padding-bottom:88px}.search-layer{top:0;bottom:0;background:var(--brand-deep);padding-top:calc(16px + env(safe-area-inset-top))}.search-card{height:100%;width:100%;margin:0;border:0;border-radius:0;background:var(--brand-deep);box-shadow:none;color:#fff;padding:22px 16px}.search-head strong,.search-head span,.search-label{color:#fff}.search-presets{grid-template-columns:repeat(2,minmax(0,1fr))}.search-presets a{background:#fff;color:var(--brand-deep)}.search-empty{color:var(--soft)}.search-card .icon-close{border-color:rgba(255,255,255,.6);background:transparent;color:#fff}}
@media(max-width:560px){.grid-2,.path-list{grid-template-columns:1fr}.caption-grid{grid-template-columns:1fr}.numbered-list{grid-template-columns:1fr 1fr}.panel,.article-block{padding:18px}.media-banner{height:260px}.hero{padding-top:20px}.shelf a,.shelf div{grid-template-columns:84px 1fr}.footer-grid{grid-template-columns:1fr 1fr;gap:20px}.footer-grid section{min-width:0}.footer-grid a{overflow-wrap:anywhere}}