:root{--bg:#D7E4E6;--bg2:#C4D4D6;--paper:#F3F7F7;--soft:#E4EEEF;--ink:#1E2C2E;--text:#2A3A3C;--muted:#4A6064;--aux:#6A8084;--teal:#4A8A8C;--sand:#C4A070;--border:rgba(30,44,46,.14);--strong: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:system-ui,-apple-system,"Segoe UI","Microsoft YaHei",sans-serif;font-size:15px;line-height:1.7;overflow-x:hidden}a{color:var(--ink);text-decoration:none}a:hover{text-decoration:underline}a:focus-visible,button:focus-visible{outline:3px solid var(--sand);outline-offset:3px}button{font:inherit}.skip-link{position:fixed;left:16px;top:-60px;z-index:1000;background:var(--paper);padding:10px 14px;border-radius:6px}.skip-link:focus{top:8px}.site-top{position:fixed;top:0;left:0;right:0;z-index:80}.top-strip{height:20px;background:var(--ink);color:var(--paper);font-size:12px}.top-inner,.brand-inner{max-width:980px;margin:auto;height:100%;padding:0 16px;display:flex;align-items:center;justify-content:space-between}.text-btn{background:transparent;border:0;color:var(--paper);min-height:20px;padding:0 8px;cursor:pointer}.brand-bar{height:54px;background:var(--paper);border-bottom:1px solid var(--strong)}.brand-link,.brand-actions{display:flex;align-items:center}.logo-slot,.footer-logo{display:flex;align-items:center;min-height:24px}.logo-slot img,.footer-logo img,.menu-brand img{height:24px;width:auto;max-width:180px;object-fit:contain;object-position:center}.brand-fallback{font-weight:800;font-size:16px;color:var(--ink)}.brand-actions{gap:8px}.app-link,.menu-btn{min-height:44px;display:inline-flex;align-items:center;padding:0 14px;border-radius:8px}.app-link{border:1px solid var(--strong);background:var(--paper)}.menu-btn{border:0;background:linear-gradient(135deg,#4A8A8C 0%,#1E2C2E 100%);color:var(--paper);cursor:pointer}.side-nav{position:fixed;top:88px;left:max(16px,calc((100vw - 980px)/2));z-index:30;width:116px;display:flex;flex-direction:column;background:rgba(243,247,247,.92);border:1px solid var(--border);border-radius:8px;padding:6px;box-shadow:var(--shadow);backdrop-filter:blur(6px)}.side-nav a{height:34px;display:flex;align-items:center;padding:0 10px;border-left:3px solid transparent;font-size:13px}.side-nav a.is-current{border-left-color:var(--teal);font-weight:700}.page-shell{max-width:980px;margin:0 auto;padding:108px 16px 40px 152px;min-height:70vh}.page-head,.section-block,.hero,.single-column,.rail-page,.newspaper-layout,.page-inserts,.period-page,.status-page,.checklist-page,.method-page,.topic-list,.center-cards,.terms-page,.help-grid,.contact-cards,.about-statement{background:var(--paper);border:1px solid var(--border);border-radius:10px;box-shadow:var(--shadow);margin-bottom:20px}.page-head,.hero,.section-block,.single-column,.checklist-page,.method-page,.topic-list,.center-cards,.terms-page,.help-grid,.contact-cards,.about-statement{padding:26px}.page-head h1,.hero h1{font-size:24px;line-height:1.3;color:var(--ink);margin:0 0 12px}.page-head p,.hero p{margin:0 0 12px}.lead{font-size:20px;color:var(--teal);font-weight:700}.short-index{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:18px}.short-index a{background:var(--soft);border:1px solid var(--border);border-radius:999px;padding:5px 12px}.btn{min-height:42px;padding:0 18px;display:inline-flex;align-items:center;justify-content:center;border-radius:8px;font-size:14px;font-weight:700;margin-top:8px}.primary{background:linear-gradient(135deg,#4A8A8C 0%,#1E2C2E 100%);color:var(--paper)}.secondary{background:var(--paper);color:var(--ink);border:1px solid var(--teal)}h2{font-size:20px;line-height:1.35;color:var(--ink);margin:0 0 10px}h3{font-size:16px;color:var(--ink);margin:0 0 8px}p{margin:0 0 14px}.media-slot,.banner-slot,.app-phone,.icon-slot,.section-media,.period-media,.status-media,.brand-cover{background:var(--soft);border:1px solid var(--border);border-radius:8px;display:flex;align-items:center;justify-content:center;padding:8px;margin-bottom:14px}.media-slot img,.banner-slot img,.app-phone img,.icon-slot img,.section-media img,.period-media img,.status-media img,.brand-cover img{max-width:100%;height:auto;object-fit:contain;object-position:center}.media-slot:empty,.banner-slot:empty,.app-phone:empty,.icon-slot:empty,.section-media:empty,.period-media:empty,.status-media:empty,.brand-cover:empty{min-height:44px}.tall-168{height:168px}.tall-168 img{max-height:152px}.wide-safe{min-height:120px;max-height:280px}.wide-safe img{max-height:260px}.two-news{display:grid;grid-template-columns:1fr 1fr;gap:26px}.news-col+ .news-col{border-left:1px solid var(--border);padding-left:26px}.rail{display:grid;grid-template-columns:1.15fr 1fr 1fr;gap:14px;overflow:visible;padding-bottom:4px}.rail article{background:var(--soft);padding:16px;border-radius:8px;min-width:0}.insert-grid,.shelf-grid,.period-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}.insert-grid article,.shelf-grid article,.period-grid article{background:var(--soft);padding:18px;border-radius:8px}.period-grid{grid-template-columns:repeat(3,1fr)}.section-media,.period-media,.status-media{min-height:110px;max-height:220px}.section-media img,.period-media img,.status-media img{max-height:200px}.status-list{display:grid;gap:10px}.status-list span{display:flex;gap:16px;align-items:center;padding:12px;background:var(--soft);border-radius:8px}.status-list b{min-width:64px;color:var(--teal)}.app-split{display:grid;grid-template-columns:1.2fr .8fr;gap:24px;align-items:center}.app-phone{height:320px}.app-phone img{max-height:300px}.icon-slot{width:64px;height:64px;margin-left:auto}.icon-slot img{width:48px;height:48px}.faq-mini details{border-top:1px solid var(--border);padding:12px 0}.faq-mini summary{font-weight:700;cursor:pointer}.rail-page{padding:18px;display:grid;grid-template-columns:1fr 1fr;gap:16px}.rail-page>.media-slot{grid-column:1/-1;min-height:140px}.rail-page article{background:var(--soft);padding:18px;border-radius:8px}.newspaper-layout{padding:22px;display:grid;grid-template-columns:1fr 1fr;gap:28px}.newspaper-layout>div+div{border-left:1px solid var(--border);padding-left:28px}.page-inserts{padding:18px;display:grid;grid-template-columns:1fr 1fr;gap:18px}.page-inserts article{background:var(--soft);border-radius:8px;padding:18px}.page-inserts article:nth-child(even){transform:translateY(18px)}.single-column{max-width:760px;margin-left:auto;margin-right:auto}.period-page{padding:20px}.period-page article{display:grid;grid-template-columns:86px 1fr;gap:14px;border-top:1px solid var(--border);padding:18px 0}.period-page article span{font-weight:800;color:var(--teal)}.period-page article h2,.period-page article p{grid-column:2}.status-page{padding:20px}.status-row{display:grid;grid-template-columns:100px 1fr;gap:18px;padding:18px 0;border-top:1px solid var(--border)}.status-row>b{color:var(--teal);font-size:16px}.checklist-page article,.method-page article,.terms-page article,.topic-list article,.help-grid article,.contact-cards article,.about-statement article{border-top:1px solid var(--border);padding:18px 0}.checklist-page article:first-of-type,.method-page article:first-of-type,.terms-page article:first-of-type,.topic-list article:first-of-type,.help-grid article:first-of-type,.contact-cards article:first-of-type,.about-statement article:first-of-type{border-top:0}.checklist-page ul{padding-left:20px;margin:0 0 12px}.topic-list article{display:grid;grid-template-columns:190px 1fr;gap:18px}.topic-list article h2{grid-column:1}.topic-list article p{grid-column:2}.centered{text-align:center}.center-cards{max-width:760px;margin-left:auto;margin-right:auto}.centered-media{max-height:220px}.centered-media img{max-height:200px}.help-grid,.contact-cards{display:grid;grid-template-columns:1fr 1fr;gap:0 24px}.about-banner{margin-bottom:20px}.banner-slot{height:200px;background:var(--soft)}.banner-slot img{max-height:184px}.brand-cover{max-height:240px}.brand-cover img{max-height:220px}.faq-page{display:grid;gap:12px}.faq-page article{background:var(--paper);border:1px solid var(--border);border-radius:8px;padding:18px;box-shadow:var(--shadow)}.site-footer{background:#162022;color:#D7E4E6;border-top:1px solid var(--teal);font-size:13px;padding:34px 16px 76px}.footer-inner{max-width:980px;margin:auto}.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:22px}.footer-brand strong{font-size:16px}.footer-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}.footer-grid h2{font-size:14px;color:#F3F7F7}.footer-grid a{display:block;color:#D7E4E6;min-height:30px}.footer-note{border-top:1px solid rgba(215,228,230,.18);padding-top:16px;margin-top:18px}.copyright{color:#9FB4B7}.overlay{position:fixed;inset:0;background:rgba(10,18,20,.46);z-index:120;visibility:hidden;opacity:0;pointer-events:none;transition:.2s}.overlay.is-open{visibility:visible;opacity:1;pointer-events:auto}.menu-panel{position:fixed;left:24px;bottom:24px;z-index:130;width:360px;max-height:480px;background:var(--paper);border-radius:10px;border:1px solid var(--strong);box-shadow:0 24px 60px rgba(0,0,0,.25);padding:18px;overflow:auto;transform:translateY(120%);visibility:hidden;pointer-events:none;transition:.25s}.menu-panel.is-open{transform:translateY(0);visibility:visible;pointer-events:auto}.menu-head,.search-head{display:flex;align-items:center;justify-content:space-between;gap:10px}.menu-brand{display:flex;align-items:center;gap:10px}.close-btn{min-height:40px;padding:0 14px;border:1px solid var(--teal);background:var(--paper);color:var(--ink);border-radius:8px;cursor:pointer}.menu-groups h2{font-size:14px;margin-top:14px}.menu-groups a{display:grid;grid-template-columns:72px 1fr;gap:8px;padding:7px 0;border-top:1px solid var(--border)}.menu-groups span{color:var(--muted);font-size:13px}.search-panel{position:fixed;left:0;right:0;top:74px;z-index:125;visibility:hidden;pointer-events:none;transform:translateY(-12px);opacity:0;transition:.2s}.search-panel.is-open{visibility:visible;pointer-events:auto;transform:translateY(0);opacity:1}.search-card{max-width:680px;margin:12px auto;background:var(--paper);border:1px solid var(--strong);border-radius:10px;box-shadow:var(--shadow);padding:20px}.search-links{display:flex;gap:8px;flex-wrap:wrap}.search-links a{min-height:44px;display:inline-flex;align-items:center;padding:0 14px;border:1px solid var(--border);border-radius:8px;background:var(--soft)}.locked{overflow:hidden}.mobile-bottom{display:none}
@media(max-width:760px){.side-nav{display:none}.page-shell{padding:94px 16px 74px}.top-inner,.brand-inner{padding:0 16px}.brand-actions{gap:4px}.app-link,.menu-btn{padding:0 10px}.two-news,.app-split,.newspaper-layout,.page-inserts,.help-grid,.contact-cards{grid-template-columns:1fr}.news-col+ .news-col,.newspaper-layout>div+div{border-left:0;padding-left:0;border-top:1px solid var(--border);padding-top:18px}.rail{grid-template-columns:1fr}.insert-grid,.shelf-grid,.period-grid{grid-template-columns:1fr}.page-inserts article:nth-child(even){transform:none}.rail-page{grid-template-columns:1fr}.period-page article{grid-template-columns:1fr}.period-page article h2,.period-page article p{grid-column:1}.status-row{grid-template-columns:1fr}.topic-list article{display:block}.app-phone{height:280px}.app-phone img{max-height:260px}.footer-grid{grid-template-columns:1fr 1fr}.menu-panel{left:6%;bottom:64px;width:88%;max-height:68vh}.search-panel{top:0;bottom:0;background:var(--ink);padding:78px 16px 70px}.search-card{margin:0 auto;color:var(--paper);background:var(--ink);border-color:rgba(243,247,247,.25)}.search-card h2,.search-card a{color:var(--paper)}.search-links a{background:#243638;border-color:#49666a}.mobile-bottom{position:fixed;display:grid;grid-template-columns:repeat(4,1fr);left:0;right:0;bottom:0;z-index:70;min-height:48px;padding-bottom:env(safe-area-inset-bottom);background:var(--paper);border-top:1px solid var(--strong)}.mobile-bottom a{min-height:48px;display:flex;align-items:center;justify-content:center;font-size:13px}.mobile-bottom a:hover,.mobile-bottom a.is-current{background:var(--teal);color:var(--paper);text-decoration:none}.site-footer{padding-bottom:calc(72px + env(safe-area-inset-bottom))}}
@media(max-width:420px){.brand-fallback{font-size:15px}.app-link,.menu-btn{font-size:13px}.page-head,.hero,.section-block,.single-column,.checklist-page,.method-page,.topic-list,.center-cards,.terms-page,.help-grid,.contact-cards,.about-statement{padding:20px}.footer-grid{grid-template-columns:1fr 1fr;gap:16px}}