:root{--phc777-bg:#032f33;--phc777-bg2:#06484d;--phc777-surface:#07555b;--phc777-surface2:#0b666c;--phc777-text:#f5fbfb;--phc777-muted:#b7d7d9;--phc777-gold:#ffd34d;--phc777-gold2:#e8a821;--phc777-cyan:#38edf3;--phc777-line:rgba(96,235,239,.28);--phc777-shadow:0 18px 45px rgba(0,0,0,.28);--phc777-radius:22px;--phc777-container:1180px}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:radial-gradient(circle at top,#0a5960 0,#063d42 38%,#02282c 100%);color:var(--phc777-text);font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",Arial,sans-serif;line-height:1.66;overflow-x:hidden}a{color:inherit}img{display:block;max-width:100%;height:auto}.phc777-skip-link{position:fixed;left:12px;top:-60px;z-index:10000;background:#fff;color:#000;padding:10px 14px;border-radius:8px}.phc777-skip-link:focus{top:12px}.phc777-site-header{position:sticky;top:0;z-index:2000;background:rgba(2,42,46,.94);backdrop-filter:blur(12px);border-bottom:1px solid rgba(56,237,243,.18)}.phc777-header-inner{max-width:var(--phc777-container);margin:auto;min-height:82px;padding:8px 20px;display:flex;align-items:center;gap:22px}.phc777-brand{display:flex;align-items:center;flex:0 0 auto}.phc777-brand img,.custom-logo{width:auto;height:58px;max-width:190px;object-fit:contain}.phc777-desktop-nav{flex:1;display:flex;justify-content:center}.phc777-menu,.phc777-mobile-menu{list-style:none;margin:0;padding:0}.phc777-menu{display:flex;align-items:center;gap:5px}.phc777-menu>li{position:relative}.phc777-menu a{display:block;padding:12px 10px;text-decoration:none;color:#d9f5f6;font-weight:700;font-size:14px;border-radius:10px}.phc777-menu a:hover,.phc777-menu a:focus-visible{background:rgba(56,237,243,.1);color:#fff;outline:none}.phc777-menu .sub-menu{display:none;position:absolute;top:100%;left:0;min-width:190px;list-style:none;padding:8px;margin:0;background:#043a3f;border:1px solid var(--phc777-line);border-radius:14px;box-shadow:var(--phc777-shadow)}.phc777-menu li:hover>.sub-menu,.phc777-menu li:focus-within>.sub-menu{display:block}.phc777-primary-cta,.phc777-secondary-cta{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:11px 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var(--phc777-line);padding:20px;transform:translateX(105%);transition:transform .25s ease;overflow:auto}.phc777-mobile-drawer.is-open{transform:translateX(0)}.phc777-drawer-head{display:flex;justify-content:space-between;align-items:center;padding-bottom:14px;border-bottom:1px solid var(--phc777-line);font-size:22px}.phc777-drawer-close{width:42px;height:42px;border:0;border-radius:10px;background:#07545a;color:#fff;font-size:30px;cursor:pointer}.phc777-mobile-menu>li{border-bottom:1px solid rgba(255,255,255,.06)}.phc777-mobile-menu a{display:block;text-decoration:none;padding:13px 4px;font-weight:800}.phc777-mobile-menu .sub-menu{list-style:none;margin:0 0 8px 12px;padding:0 0 0 12px;border-left:2px solid rgba(56,237,243,.22)}.phc777-drawer-cta{width:100%;margin-top:18px}.phc777-main{max-width:var(--phc777-container);margin:auto;padding:30px 20px 70px}.phc777-hero{display:grid;grid-template-columns:.9fr 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var(--phc777-line);border-radius:16px;padding:16px;text-decoration:none;box-shadow:0 8px 22px rgba(0,0,0,.15)}.phc777-task-strip strong{display:block;color:#fff}.phc777-task-strip span{color:var(--phc777-muted);font-size:14px}.phc777-home-content,.phc777-home-faq{margin-top:18px}.phc777-section,.phc777-page,.phc777-archive,.phc777-search,.phc777-not-found,.phc777-article{background:rgba(4,55,60,.72);border:1px solid var(--phc777-line);border-radius:var(--phc777-radius);padding:clamp(22px,4vw,38px);box-shadow:var(--phc777-shadow);margin:18px 0}.phc777-section h2,.phc777-page h2{font-size:clamp(24px,3vw,36px);line-height:1.15;margin:0 0 14px}.phc777-prose p,.phc777-prose li{color:#d9eeee}.phc777-prose a{color:#8cf7fa;font-weight:800}.phc777-prose h2{margin-top:34px}.phc777-prose h3{margin-top:24px}.phc777-direct-answer{font-size:20px;color:#fff!important;background:linear-gradient(135deg,rgba(56,237,243,.13),rgba(255,211,77,.08));padding:18px 20px;border-left:4px solid 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var(--phc777-line)}.phc777-link-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.phc777-home-return{display:flex;align-items:center;justify-content:space-between;gap:18px;margin-top:26px;padding:18px;border-radius:16px;background:#0a5a60;border:1px solid var(--phc777-line)}.phc777-home-return p{margin:0}.phc777-home-return a{text-decoration:none;font-weight:900;color:#082f33;background:var(--phc777-gold);padding:10px 14px;border-radius:12px}.phc777-faq-list{display:grid;gap:10px}.phc777-faq-item{border:1px solid var(--phc777-line);border-radius:14px;background:#07545a;overflow:hidden}.phc777-faq-item summary{cursor:pointer;padding:16px 18px;font-weight:900}.phc777-faq-item div{padding:0 18px 16px;color:#d7eded}.phc777-archive-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.phc777-not-found{text-align:center;padding:70px 24px}.phc777-site-footer{background:#012226;border-top:1px solid rgba(56,237,243,.2);color:#cde8e9}.phc777-footer-inner{max-width:var(--phc777-container);margin:auto;padding:42px 20px 28px;display:grid;grid-template-columns:1.5fr repeat(4,1fr);gap:24px}.phc777-footer-inner section{min-width:0}.phc777-footer-inner h2{font-size:15px;color:#fff;margin:0 0 12px}.phc777-footer-inner a{display:block;color:#b9dcde;text-decoration:none;padding:4px 0}.phc777-footer-inner a:hover{text-decoration:underline}.phc777-footer-brand img{width:170px;height:auto;margin-bottom:12px}.phc777-footer-notice,.phc777-footer-bottom{max-width:var(--phc777-container);margin:auto;padding:16px 20px;border-top:1px solid rgba(255,255,255,.07);font-size:14px}.phc777-footer-bottom{display:flex;justify-content:space-between;color:#84b2b5}.phc777-prose code{background:#072f33;padding:2px 5px;border-radius:6px;color:#ffdf75}.phc777-prose ol,.phc777-prose ul{padding-left:22px}
@media(max-width:1100px){.phc777-desktop-nav,.phc777-desktop-cta{display:none}.phc777-menu-toggle{display:block}.phc777-hero{grid-template-columns:1fr}.phc777-footer-inner{grid-template-columns:repeat(2,1fr)}.phc777-footer-brand{grid-column:1/-1}.phc777-archive-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:768px){.phc777-main{padding:20px 14px 50px}.phc777-header-inner{min-height:70px;padding:7px 14px}.phc777-brand img,.custom-logo{height:48px;max-width:160px}.phc777-hero{padding:18px;border-radius:20px}.phc777-hero h1,.phc777-page h1{font-size:clamp(32px,10vw,48px)}.phc777-task-strip{grid-template-columns:repeat(2,1fr)}.phc777-cards-2,.phc777-cards-3,.phc777-split,.phc777-check-grid,.phc777-link-grid,.phc777-archive-grid{grid-template-columns:1fr}.phc777-home-return{align-items:flex-start;flex-direction:column}.phc777-footer-inner{grid-template-columns:1fr}.phc777-footer-brand{grid-column:auto}.phc777-footer-bottom{flex-direction:column;gap:6px}.phc777-section,.phc777-page{padding:22px 18px}}
@media(max-width:480px){.phc777-task-strip{grid-template-columns:1fr}.phc777-hero-actions{flex-direction:column}.phc777-primary-cta,.phc777-secondary-cta{width:100%}.phc777-page-media{border-radius:14px}}
@media(hover:hover) and (pointer:fine){.phc777-card,.phc777-link-card,.phc777-task-strip a{transition:transform .18s ease,border-color .18s ease}.phc777-card:hover,.phc777-link-card:hover,.phc777-task-strip a:hover{transform:translateY(-3px);border-color:rgba(255,211,77,.55)}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important;animation:none!important}}
body.phc777-drawer-open{overflow:hidden}

/* v1.1.0 AI-Concept accessibility and readability reinforcement */
.phc777-mobile-menu .menu-item-has-children{position:relative;padding-right:46px}.phc777-mobile-menu .menu-item-has-children>a{padding-right:4px}.phc777-submenu-toggle{position:absolute;right:0;top:6px;width:38px;height:38px;border:1px solid var(--phc777-line);border-radius:10px;background:#07545a;color:#fff;cursor:pointer;font-size:20px;line-height:1}.phc777-submenu-toggle[aria-expanded="true"] span{display:inline-block;transform:rotate(180deg)}.phc777-mobile-menu .sub-menu[hidden]{display:none}.phc777-submenu-toggle:focus-visible{outline:3px solid #fff;outline-offset:2px}.phc777-prose strong{color:#fff}.phc777-prose li+li{margin-top:7px}.phc777-prose ol,.phc777-prose ul{margin-top:12px;margin-bottom:20px}.phc777-answer-card{border-left:4px solid var(--phc777-gold)}