:root{--bg:#D7E4E6;--deep:#C4D4D6;--card:#F3F7F7;--sub:#E4EEEF;--title:#1E2C2E;--text:#2A3A3C;--muted:#4A6064;--soft:#6A8084;--teal:#4A8A8C;--sand:#C4A070;--line:rgba(30,44,46,.14);--focus:rgba(74,138,140,.42);--shadow:0 12px 28px rgba(30,44,46,.08)}*{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",sans-serif;font-size:15px;line-height:1.7;overflow-x:hidden}a{color:inherit;text-decoration:none}button,input{font:inherit}.wrap{width:min(980px,calc(100% - 32px));margin-inline:auto}.skip-link{position:fixed;left:12px;top:-60px;z-index:100;background:var(--card);padding:8px 12px;border-radius:6px}.skip-link:focus{top:8px}.top-note{position:fixed;inset:0 0 auto 0;height:20px;background:var(--title);color:var(--card);z-index:40;font-size:12px}.top-note-inner{height:20px;display:flex;align-items:center;justify-content:space-between}.plain-btn{background:none;border:0;color:inherit;padding:0 6px;min-height:20px;cursor:pointer}.site-head{position:fixed;inset:20px 0 auto 0;height:54px;background:var(--card);border-bottom:1px solid var(--line);z-index:39}.head-row{height:54px;display:flex;align-items:center;justify-content:space-between}.brand{display:inline-flex;align-items:center;min-height:44px}.brand-logo{display:block;height:24px;max-width:170px;object-fit:contain;object-position:center}.brand-text{font-size:16px;font-weight:700;color:var(--title)}.head-actions{display:flex;gap:8px;align-items:center}.head-link,.menu-btn,.button{display:inline-flex;align-items:center;justify-content:center;min-height:42px;padding:0 16px;border-radius:8px;border:1px solid var(--focus);font-size:14px;white-space:nowrap}.menu-btn{background:var(--card);color:var(--title);cursor:pointer}.head-link{background:linear-gradient(135deg,#4A8A8C 0%,#1E2C2E 100%);color:var(--card);border-color:transparent}.button.primary{background:linear-gradient(135deg,#4A8A8C 0%,#1E2C2E 100%);color:var(--card);border-color:transparent}.button.secondary{background:var(--card);color:var(--title)}a:hover,button:hover{filter:brightness(.97)}a:focus-visible,button:focus-visible,input:focus-visible{outline:3px solid rgba(196,160,112,.7);outline-offset:2px}.side-nav{position:fixed;top:86px;left:max(16px,calc((100vw - 980px)/2 - 120px));z-index:20;width:90px;display:flex;flex-direction:column;background:rgba(243,247,247,.84);backdrop-filter:blur(8px);border:1px solid var(--line);border-radius:8px;padding:6px}.side-nav a{height:34px;display:flex;align-items:center;padding-left:12px;border-left:3px solid transparent;color:var(--muted);font-size:13px}.side-nav a.active{border-left-color:var(--teal);color:var(--title);font-weight:700}.site-main{padding-top:106px;padding-bottom:54px;min-height:70vh}.hero-block,.section,.content-card{background:var(--card);border:1px solid var(--line);border-radius:10px;box-shadow:var(--shadow)}.hero-block{padding:28px;margin-bottom:18px}.eyebrow{font-size:13px;color:var(--teal);font-weight:700;letter-spacing:.04em}.index-lines{display:grid;gap:4px;margin:0 0 16px;padding:0;list-style:none;color:var(--muted);font-size:13px}.index-lines li{border-bottom:1px solid var(--line);padding:3px 0}.hero-block h1,.page-head h1{font-size:24px;line-height:1.3;color:var(--title);margin:8px 0}.lead{font-size:18px;color:var(--title);margin:0 0 8px}.intro{margin:0 0 18px}.button-row{display:flex;gap:10px;flex-wrap:wrap}.section{padding:24px;margin:18px 0}.section h2{font-size:20px;line-height:1.35;color:var(--title);margin:0 0 14px}.section h3,.content-card h3{font-size:16px;color:var(--title);margin:0 0 8px}.section p,.content-card p{margin:0 0 10px}.media-slot{background:var(--deep);border:1px solid var(--line);border-radius:8px;display:flex;align-items:center;justify-content:center;min-height:110px}.media-slot img{display:block;max-width:100%;max-height:100%;height:auto;width:auto;object-fit:contain;object-position:center}.media-168{height:168px}.media-200{height:200px}.media-app{height:320px}.media-icon{width:48px;height:48px;min-height:48px}.media-icon img{width:48px;height:48px}.newspaper{display:grid;grid-template-columns:1fr 1fr;gap:18px}.newspaper>article{background:var(--sub);padding:18px;border-radius:8px;border:1px solid var(--line)}.ride-strip{display:grid;grid-template-columns:repeat(auto-fit,minmax(210px,1fr));gap:14px}.ride-strip article{min-width:0;background:var(--sub);border:1px solid var(--line);border-radius:8px;padding:16px}.insert-pages{display:grid;grid-template-columns:1.1fr .9fr;gap:16px}.insert-pages article{background:var(--sub);border:1px solid var(--line);border-radius:8px;padding:18px}.cards-two{display:grid;grid-template-columns:1fr 1fr;gap:16px}.content-card{padding:18px}.periods{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.periods article{background:var(--sub);padding:16px;border-radius:8px}.status-list{display:grid;gap:10px}.status-row{display:grid;grid-template-columns:150px 1fr auto;gap:14px;align-items:center;background:var(--sub);border:1px solid var(--line);border-radius:8px;padding:14px}.status{font-size:13px;font-weight:700;color:var(--teal)}.product-split{display:grid;grid-template-columns:1.25fr .75fr;gap:20px;align-items:center}.faq-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}.faq-item{background:var(--sub);border:1px solid var(--line);border-radius:8px;padding:16px}.faq-item h3{margin-bottom:6px}.page-head{margin-bottom:18px;background:var(--card);border:1px solid var(--line);border-radius:10px;padding:24px}.page-head p{margin:8px 0 0;color:var(--muted)}.single-column{max-width:760px;margin-inline:auto}.single-column .section{margin-top:0}.checklist{display:grid;gap:12px}.checklist article{background:var(--sub);border-left:4px solid var(--teal);padding:16px;border-radius:0 8px 8px 0}.method-flow{counter-reset:m}.method-flow article{counter-increment:m;background:var(--sub);padding:18px 18px 18px 58px;border-radius:8px;position:relative;margin-bottom:12px}.method-flow article:before{content:counter(m);position:absolute;left:16px;top:16px;width:28px;height:28px;border-radius:50%;background:var(--title);color:var(--card);display:grid;place-items:center}.topic-list{display:grid;gap:12px}.topic-list article{display:grid;grid-template-columns:180px 1fr;gap:16px;background:var(--sub);padding:16px;border-radius:8px}.center-cards{max-width:760px;margin:auto;display:grid;gap:14px}.center-cards article{text-align:center;background:var(--sub);padding:22px;border-radius:8px}.legal section{border-bottom:1px solid var(--line);padding:18px 0}.legal section:last-child{border-bottom:0}.banner-slot{height:200px;margin-bottom:18px}.about-statement{max-width:760px;margin:auto}.footer-brand{display:flex;align-items:center;gap:10px;padding-top:28px}.footer-logo img{height:24px;max-width:170px;object-fit:contain}.footer-brand div:last-child{display:flex;gap:10px;align-items:baseline}.footer-brand strong{font-size:16px}.footer-brand span{font-size:12px;color:#9fb4b6}.site-footer{background:#162022;color:#D7E4E6;border-top:1px solid rgba(74,138,140,.45);padding-bottom:64px;font-size:13px}.footer-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;padding-block:24px}.footer-grid h2{font-size:13px;margin:0 0 8px;color:#fff}.footer-grid a{display:block;color:#D7E4E6;padding:3px 0}.footer-note{padding:16px 0;border-top:1px solid rgba(215,228,230,.12);color:#b9cbcd}.footer-copy{padding:12px 0 4px;color:#93aaad}.overlay{position:fixed;inset:0;background:rgba(15,25,27,.42);z-index:60;opacity:0;visibility:hidden;pointer-events:none;transition:.2s}.overlay.open{opacity:1;visibility:visible;pointer-events:auto}.menu-panel{position:fixed;left:18px;bottom:18px;width:360px;max-width:88vw;max-height:480px;overflow:auto;background:var(--card);color:var(--text);z-index:70;border-radius:10px;border:1px solid var(--line);box-shadow:0 18px 55px rgba(20,30,32,.26);transform:translateY(30px);opacity:0;visibility:hidden;pointer-events:none;transition:.2s;padding:16px}.menu-panel.open{transform:none;opacity:1;visibility:visible;pointer-events:auto}.panel-head{display:flex;justify-content:space-between;align-items:center;gap:10px;position:sticky;top:-16px;background:var(--card);padding:8px 0 10px;z-index:2}.panel-brand{display:flex;align-items:center;gap:8px}.panel-brand img{height:24px;max-width:120px;object-fit:contain}.close-btn{min-height:44px;border:1px solid var(--focus);background:var(--card);color:var(--title);border-radius:8px;padding:0 14px;cursor:pointer}.panel-group{padding:8px 0;border-top:1px solid var(--line)}.panel-group h2{font-size:13px;color:var(--teal);margin:0 0 4px}.panel-group a{display:flex;justify-content:space-between;gap:12px;padding:7px 2px}.panel-group a b{font-size:14px;color:var(--title)}.panel-group a span{font-size:12px;color:var(--muted);text-align:right}.search-layer{position:fixed;left:0;right:0;top:74px;z-index:68;visibility:hidden;opacity:0;pointer-events:none;transition:.2s}.search-layer.open{visibility:visible;opacity:1;pointer-events:auto}.search-card{width:min(680px,calc(100% - 32px));margin:12px auto;background:var(--card);border:1px solid var(--line);border-radius:10px;box-shadow:var(--shadow);padding:18px}.search-head{display:flex;justify-content:space-between;gap:16px}.search-head p{margin:2px 0 12px;color:var(--muted);font-size:13px}.search-input-wrap span{display:block;font-size:13px;margin-bottom:6px}.search-input-wrap input{width:100%;min-height:44px;border:1px solid var(--focus);border-radius:8px;background:white;color:var(--title);padding:0 12px}.search-results{display:flex;gap:8px;flex-wrap:wrap;margin-top:12px}.search-results a{display:inline-flex;min-height:40px;align-items:center;border:1px solid var(--line);border-radius:8px;padding:0 12px;background:var(--sub)}.locked{overflow:hidden}.mobile-nav{display:none}
@media (max-width:1220px){.side-nav{display:none}}
@media (max-width:720px){.wrap{width:calc(100% - 32px)}.site-main{padding-top:92px;padding-bottom:78px}.hero-block,.section,.page-head{padding:18px}.newspaper,.insert-pages,.cards-two,.periods,.product-split,.faq-grid,.footer-grid{grid-template-columns:1fr}.status-row{grid-template-columns:1fr;gap:4px}.topic-list article{grid-template-columns:1fr}.ride-strip{grid-template-columns:1fr}.site-footer{padding-bottom:76px}.footer-grid{gap:12px}.footer-brand div:last-child{flex-direction:column;gap:0}.mobile-nav{position:fixed;display:grid;grid-template-columns:repeat(4,1fr);left:0;right:0;bottom:0;z-index:38;background:var(--card);border-top:1px solid var(--line);padding-bottom:env(safe-area-inset-bottom)}.mobile-nav a{height:48px;display:grid;place-items:center;font-size:13px}.mobile-nav a.active{background:var(--teal);color:var(--card)}.menu-panel{left:6%;bottom:calc(58px + env(safe-area-inset-bottom));width:88%;max-height:70vh}.search-layer{top:0;bottom:0;background:var(--title);color:var(--card);z-index:80;padding-top:24px}.search-card{background:var(--title);border-color:rgba(243,247,247,.18);color:var(--card);box-shadow:none}.search-head p,.search-input-wrap span{color:#cddcde}.search-results a{background:#243638;border-color:rgba(243,247,247,.18)}.search-layer .close-btn{background:#243638;color:var(--card);border-color:rgba(243,247,247,.35)}.head-link,.menu-btn{padding:0 12px}.media-app{height:280px}}