:root{--bg:#E7F4F8;--bg-deep:#D7ECF2;--paper:#F3FAFC;--paper-2:#EAF6F9;--ink:#163038;--body:#1F3C44;--muted:#4A6E78;--soft:#6A8C96;--blue:#7EB8E0;--cyan:#6EC9D4;--deep:#1A3A44;--white:#F3FAFC;--moss:#5A8A6A;--border:rgba(26,58,68,.14);--focus:rgba(110,201,212,.5);--shadow:0 12px 28px rgba(22,48,56,.08);--radius:10px;--max:1000px;--top:118px}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--body);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",Arial,sans-serif;font-size:15px;line-height:1.7;overflow-x:hidden}body.panel-open{overflow:hidden}a{color:inherit;text-decoration:none}button,input{font:inherit}button{cursor:pointer}.shell{width:min(calc(100% - 32px),var(--max));margin-inline:auto}.site-header{position:fixed;z-index:40;inset:0 0 auto}.tide-strip{height:20px;background:var(--deep);color:var(--white);font-size:12px}.tide-strip-inner{height:20px;display:flex;align-items:center;justify-content:space-between}.text-trigger{position:relative;border:0;background:transparent;color:var(--white);padding:0 2px;min-height:20px}.text-trigger::before{content:"";position:absolute;inset:-12px -8px}.brand-bar{height:54px;background:var(--blue);border-bottom:1px solid rgba(110,201,212,.65)}.brand-bar-inner{height:54px;display:flex;align-items:center;justify-content:space-between;gap:16px}.brand-link{display:inline-flex;align-items:center;min-height:44px;max-width:52%}.brand-logo,.footer-logo,.panel-logo{display:block;height:24px;width:auto;max-width:180px;object-fit:contain;object-position:center}.brand-text{font-size:16px;font-weight:800;color:var(--ink);letter-spacing:.04em}.brand-actions{display:flex;align-items:center;gap:8px}.app-link,.menu-trigger,.panel-close{min-height:44px;border:1px solid rgba(26,58,68,.26);border-radius:9px;background:var(--paper);color:var(--deep);display:inline-flex;align-items:center;justify-content:center;padding:0 14px;font-size:14px}.menu-trigger,.panel-close{appearance:none}.quick-nav{height:44px;background:var(--paper);border-bottom:1px solid var(--border)}.quick-nav-inner{height:44px;display:flex;justify-content:center;align-items:stretch}.quick-item{min-width:110px;display:flex;flex-direction:column;justify-content:center;align-items:center;font-size:13px;color:var(--muted);gap:2px}.quick-dot{width:6px;height:6px;border-radius:50%;background:var(--cyan)}.quick-item.is-current{color:var(--deep);font-weight:700}.quick-item.is-current .quick-dot{background:var(--deep)}.site-main{padding-top:calc(var(--top) + 30px);min-height:70vh}.section{padding:34px 0}.section-tight{padding:22px 0}.section-paper{background:var(--paper)}.section-deep{background:var(--bg-deep)}h1,h2,h3,p{margin-top:0}h1{font-size:24px;line-height:1.3;color:var(--ink);margin-bottom:12px}h2{font-size:20px;line-height:1.4;color:var(--ink);margin-bottom:12px}h3{font-size:16px;line-height:1.5;color:var(--ink);margin-bottom:8px}p{margin-bottom:14px}.lead{font-size:16px;color:var(--muted);max-width:760px}.eyebrow{font-size:12px;letter-spacing:.12em;color:var(--soft);font-weight:700;margin-bottom:8px}.intro-rail{border-left:3px solid var(--cyan);padding:4px 0 4px 18px;max-width:820px}.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:9px;border:1px solid transparent;font-size:14px;font-weight:700}.btn-primary{background:linear-gradient(135deg,#7EB8E0 0%,#6EC9D4 100%);color:var(--ink)}.btn-secondary{background:var(--paper);border-color:var(--deep);color:var(--deep)}a:hover,.btn:hover,.app-link:hover,.menu-trigger:hover,.panel-close:hover{filter:brightness(.98)}a:focus-visible,button:focus-visible,input:focus-visible{outline:3px solid var(--focus);outline-offset:2px}.media-slot{width:100%;background:var(--paper-2);border:1px solid var(--border);border-radius:var(--radius);display:flex;align-items:center;justify-content:center;overflow:hidden}.media-slot img{display:block;max-width:100%;max-height:100%;width:auto;height:auto;object-fit:contain;object-position:center}.media-short{height:188px}.media-medium{height:230px}.media-banner{height:200px}.media-app{height:300px}.media-placeholder::after{content:"";display:block;width:44px;height:2px;background:rgba(26,58,68,.12)}.stagger{display:grid;gap:20px}.stagger-piece{display:grid;gap:16px;background:var(--paper);border:1px solid var(--border);border-radius:var(--radius);padding:18px;box-shadow:var(--shadow)}.stagger-piece.reverse .stagger-copy{order:-1}.note-stack{display:grid;gap:14px}.vertical-note{background:var(--paper);border:1px solid var(--border);border-radius:10px;padding:18px;position:relative}.vertical-note::before{content:"";position:absolute;left:10px;top:18px;bottom:18px;width:2px;background:var(--cyan)}.vertical-note>div{padding-left:12px}.card-grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.info-card{background:var(--paper);border:1px solid var(--border);border-radius:var(--radius);padding:20px;box-shadow:var(--shadow)}.center-card{text-align:center}.phase-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}.phase{background:var(--paper);border:1px solid var(--border);border-radius:10px;padding:18px}.status-list{display:grid;gap:10px}.status-row{display:grid;grid-template-columns:130px 1fr 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1fr;gap:12px}.check-index{width:30px;height:30px;border-radius:50%;background:var(--bg-deep);display:grid;place-items:center;color:var(--deep);font-weight:800}.method-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.topic-list{display:grid;gap:14px}.topic-row{display:grid;grid-template-columns:160px 1fr;gap:18px;border-bottom:1px solid var(--border);padding-bottom:16px}.legal-sections{display:grid;gap:16px}.legal-block{background:var(--paper);border-left:3px solid var(--cyan);border-radius:0 10px 10px 0;padding:18px}.contact-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.contact-card{background:var(--paper);border:1px solid var(--border);border-radius:10px;padding:18px}.about-banner{margin-bottom:20px}.brand-statement{display:grid;grid-template-columns:.8fr 1.2fr;gap:20px;align-items:start}.brand-statement .media-slot{min-height:220px}.site-footer{background:#143038;color:#E7F4F8;border-top:1px solid var(--cyan);font-size:13px;padding:30px 0 calc(30px + env(safe-area-inset-bottom))}.footer-grid{display:grid;grid-template-columns:1.2fr repeat(4,1fr);gap:22px}.footer-brand{display:flex;flex-direction:column;gap:8px}.footer-grid h2{font-size:13px;color:#E7F4F8;margin-bottom:8px}.footer-grid a{display:block;color:#D8EDF2;min-height:30px;padding:3px 0}.footer-note{border-top:1px solid rgba(110,201,212,.3);margin-top:20px;padding-top:18px;color:#CFE4EA}.overlay{position:fixed;inset:0;background:rgba(10,31,37,.44);z-index:60;opacity:0;visibility:hidden;pointer-events:none;transition:.2s}.overlay.is-open{opacity:1;visibility:visible;pointer-events:auto}.menu-panel,.search-panel{position:fixed;z-index:70;left:0;right:0;top:0;visibility:hidden;pointer-events:none;transform:translateY(-18px);opacity:0;transition:.22s ease}.menu-panel.is-open,.search-panel.is-open{visibility:visible;pointer-events:auto;transform:translateY(0);opacity:1}.menu-panel{height:58vh;min-height:420px;background:var(--paper);overflow:auto;border-bottom:1px solid var(--border);box-shadow:var(--shadow)}.menu-head{height:64px;display:flex;align-items:center;justify-content:space-between;position:sticky;top:0;background:var(--paper);z-index:2;border-bottom:1px solid var(--border)}.menu-brand{display:flex;align-items:center;gap:10px}.menu-groups{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px;padding-top:16px;padding-bottom:24px}.menu-group h2{font-size:13px;color:var(--soft);margin-bottom:8px}.menu-group a{display:block;border-top:1px solid var(--border);padding:9px 0}.menu-group a strong{display:block;font-size:14px;color:var(--deep)}.menu-group a span{display:block;color:var(--muted);font-size:12px}.search-panel{top:74px;background:var(--paper);border-bottom:1px solid var(--border);box-shadow:var(--shadow)}.search-inner{padding:18px 0 20px}.search-head{display:flex;justify-content:space-between;gap:18px;align-items:flex-start}.search-head p{color:var(--muted);margin-bottom:8px}.search-label{display:block;font-size:12px;color:var(--soft);margin-bottom:6px}.search-input{width:100%;height:44px;border:1px solid var(--border);border-radius:9px;background:#fff;color:var(--deep);padding:0 12px}.search-presets{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}.search-presets a{min-height:44px;display:flex;align-items:center;padding:0 13px;border:1px solid var(--border);background:var(--paper-2);border-radius:9px}.mobile-bottom{display:none}.compact-copy{max-width:780px}.divider{height:1px;background:var(--border);margin:18px 0}.tag-row{display:flex;flex-wrap:wrap;gap:8px}.tag{font-size:12px;padding:4px 9px;background:var(--paper-2);border:1px solid var(--border);border-radius:999px;color:var(--deep)}
.mt-16{margin-top:16px}.mb-14{margin-bottom:14px}.mb-16{margin-bottom:16px}.mb-18{margin-bottom:18px}.center-tags{justify-content:center}
@media (max-width:780px){:root{--top:74px}.quick-nav{display:none}.site-main{padding-top:calc(var(--top) + 22px);padding-bottom:70px}.shell{width:min(calc(100% - 32px),var(--max))}.brand-link{max-width:44%}.brand-logo{max-width:120px}.app-link,.menu-trigger{padding:0 10px}.card-grid-2,.phase-grid,.reading-points,.method-grid,.contact-grid,.footer-grid,.menu-groups,.app-band,.brand-statement{grid-template-columns:1fr}.status-row{grid-template-columns:1fr;gap:6px}.topic-row{grid-template-columns:1fr;gap:8px}.footer-grid{gap:16px}.footer-brand{padding-bottom:8px}.menu-panel{height:58vh;min-height:0}.menu-groups{padding-bottom:30px}.search-panel{top:0;bottom:0;background:var(--deep);color:var(--white)}.search-inner{padding-top:20px}.search-head strong,.search-head p,.search-label{color:var(--white)}.search-head .panel-close{background:transparent;color:var(--white);border-color:rgba(243,250,252,.5)}.search-input{background:var(--paper);color:var(--deep)}.search-presets a{background:transparent;color:var(--white);border-color:rgba(243,250,252,.35)}.mobile-bottom{display:grid;grid-template-columns:repeat(4,1fr);position:fixed;z-index:50;left:0;right:0;bottom:0;height:calc(48px + env(safe-area-inset-bottom));padding-bottom:env(safe-area-inset-bottom);background:var(--paper);border-top:1px solid var(--border)}.mobile-bottom a{display:grid;place-items:center;min-height:48px;font-size:13px;color:var(--muted)}.mobile-bottom a.is-current{background:var(--cyan);color:var(--deep);font-weight:700}.media-app{height:280px}.stagger-piece.reverse .stagger-copy{order:-1}.site-footer{padding-bottom:calc(82px + env(safe-area-inset-bottom))}}
@media (max-width:420px){h1{font-size:22px}.brand-actions{gap:6px}.app-link,.menu-trigger{font-size:13px;padding:0 8px}.media-short{height:172px}.media-medium{height:210px}.app-visual{grid-template-columns:1fr}.app-icon-slot{width:58px;height:58px}}