:root{--blue:#1677ee;--blue-bright:#3395ff;--blue-deep:#0a315e;--blue-dark:#071d37;--ink:#16243a;--text:#3c485a;--muted:#6b7787;--pale:#f7faff;--ice:#edf5ff;--ice2:#e5f1ff;--line:rgba(22,119,238,.12);--shadow:0 12px 34px rgba(30,72,120,.08);--brand-shadow:0 14px 40px rgba(22,119,238,.14);--radius:16px;--shell:1320px}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:95px}body{margin:0;min-width:0;color:var(--text);background:#fff;font-family:system-ui,-apple-system,"PingFang SC","Microsoft YaHei",sans-serif;line-height:1.72;overflow-x:clip}body.ui-locked{overflow:hidden}button,input{font:inherit}button{cursor:pointer}a{color:inherit;text-decoration:none}img{max-width:100%;height:auto;vertical-align:middle}h1,h2,h3,h4,p{margin-top:0}h1,h2,h3,h4{color:var(--ink);line-height:1.28}p{margin-bottom:15px}h1{font-size:clamp(32px,4.5vw,50px);letter-spacing:-.03em}h2{font-size:clamp(24px,2.6vw,32px);letter-spacing:-.018em}h3{font-size:19px}a:focus-visible,button:focus-visible,input:focus-visible,summary:focus-visible{outline:3px solid #61a9ff;outline-offset:3px}a,button{transition:color .15s ease,background .15s ease,border-color .15s ease,transform .15s ease}button{border:0}button:hover,a:hover{color:var(--blue)}.shell{width:min(var(--shell),calc(100% - 44px));margin-inline:auto}.sr-only{position:absolute!important;width:1px!important;height:1px!important;padding:0!important;margin:-1px!important;overflow:hidden!important;clip:rect(0,0,0,0)!important;white-space:nowrap!important;border:0!important}.skip-link{position:fixed;left:10px;top:-90px;background:#fff;color:var(--blue);padding:10px 14px;z-index:999;border-radius:8px}.skip-link:focus{top:8px}
/* 整页宽度的导航背景与内层内容安全间距互相独立 */
.site-header{position:sticky;top:0;z-index:75;width:100%;background:#fff;border-bottom:1px solid var(--line);box-shadow:0 3px 18px rgba(20,53,93,.04)}.header-inner{height:74px;display:flex;align-items:center;justify-content:space-between;gap:18px}.brand{display:inline-flex;align-items:center;gap:10px;flex:none;min-height:48px;color:var(--ink)}.brand:hover{color:var(--blue)}.brand-image{height:36px;width:auto;max-width:96px;object-fit:contain;flex-shrink:0}.brand-title{font-size:19px;white-space:nowrap;font-weight:800;letter-spacing:-.06em}.brand-fallback{color:var(--blue);font-size:25px;letter-spacing:-.08em;font-weight:900;white-space:nowrap}.brand-fallback span{color:var(--ink);font-size:.69em;letter-spacing:-.035em;margin-left:3px}.desktop-primary{display:flex;align-items:center;justify-content:center;flex:1;min-width:0;gap:3px}.desktop-primary a{display:flex;align-items:center;min-height:44px;padding:0 clamp(8px,1.2vw,17px);white-space:nowrap;font-size:14px;font-weight:600;color:#415269;border-radius:9px}.desktop-primary a:hover,.desktop-primary a.is-current{background:#edf5ff;color:#075fc6}.desktop-primary a.is-current:before{content:"";display:inline-block;width:6px;height:6px;margin-right:6px;border-radius:100%;background:var(--blue)}.header-actions{display:flex;align-items:center;flex:none;gap:8px}.icon-button{display:inline-flex;justify-content:center;align-items:center;gap:8px;min-height:44px;min-width:44px;padding:0 11px;background:transparent;border:1px solid transparent;border-radius:11px;color:var(--ink);font-size:14px;font-weight:700}.icon-button:hover{background:#edf5ff;border-color:var(--line)}.header-hot{font-size:14px;font-weight:650;padding:12px 5px;white-space:nowrap}.header-app{padding:9px 14px;background:linear-gradient(135deg,#3998ff,#1677ee 55%,#075fc6);color:white;border-radius:10px;font-size:14px;font-weight:750;white-space:nowrap}.header-app:hover{color:white;filter:brightness(.93)}.search-glyph{width:16px;height:16px;border:2px solid currentColor;border-radius:100%;position:relative;display:inline-block;margin-right:3px;flex:none}.search-glyph:after{content:"";width:7px;height:2px;background:currentColor;position:absolute;right:-6px;bottom:-3px;transform:rotate(49deg);border-radius:2px}.hamburger{display:grid;width:21px;gap:4px;flex:none}.hamburger i{display:block;height:2px;background:currentColor;border-radius:4px}.mobile-menu{display:none}
/* 页面分区与基础版式 */
main{display:block;min-height:45vh}.home-section{padding-block:54px}.section-soft{background:#f7faff}.section-ice{background:#edf5ff}.section-dark{background:#0a315e;color:#dceeff}.section-dark h2,.section-dark h3,.section-dark strong{color:#fff}.section-kicker,.eyebrow{color:#075fc6;letter-spacing:.15em;font-size:12px;font-weight:800;text-transform:uppercase}.section-heading{display:flex;align-items:end;justify-content:space-between;gap:18px;margin-bottom:24px}.section-heading p{max-width:640px;margin-bottom:0}.section-heading h2{margin-bottom:6px}.section-heading .text-link{flex:none}.text-link{display:inline-flex;align-items:center;gap:3px;color:#075fc6;font-weight:750;font-size:14px;min-height:44px}.text-link:hover{color:#003f98;text-decoration:underline;text-underline-offset:3px}.primary-button,.secondary-button{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:0 19px;white-space:nowrap;border-radius:10px;font-size:15px;font-weight:750}.primary-button{background:linear-gradient(135deg,#3998ff 0%,#1677ee 55%,#075fc6 100%);color:#fff;box-shadow:var(--brand-shadow)}.primary-button:hover{color:white;filter:brightness(.93);transform:translateY(-1px)}.secondary-button{background:#fff;color:#075fc6;border:1px solid #9bc8ff}.secondary-button:hover{background:#edf5ff}.button-row{display:flex;gap:10px;flex-wrap:wrap}.subtle{color:var(--muted)}.label-chip{display:inline-block;background:#e5f1ff;color:#075fc6;font-size:13px;padding:4px 10px;font-weight:750;border-radius:8px}.num{color:var(--blue);font-family:Georgia,serif;font-size:36px;font-weight:700;line-height:1}.card{background:#fff;border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow)}.note{border-left:3px solid var(--blue);padding:15px 19px;background:#edf5ff;border-radius:0 12px 12px 0}.body-long{max-width:830px;font-size:16px;line-height:1.86}.body-long h2{margin-top:25px}
/* 无图片仍具有完整视觉面积；有图时原比例显示、不覆盖文字 */
.media-slot,.hero-banner{display:flex;align-items:center;justify-content:center;isolation:isolate;position:relative;overflow:hidden;background:linear-gradient(139deg,#e5f1ff 0%,#fafdff 45%,#bddfff 100%);border:1px solid rgba(22,119,238,.1);border-radius:14px;min-width:0}.media-slot:before,.hero-banner:before{content:"";position:absolute;width:38%;aspect-ratio:1;right:-8%;top:-22%;border:1px solid rgba(22,119,238,.13);border-radius:50%;box-shadow:0 0 0 25px rgba(255,255,255,.24),0 0 0 75px rgba(255,255,255,.13);pointer-events:none}.media-slot:after,.hero-banner:after{content:"";position:absolute;width:110%;height:35%;bottom:-21%;left:-6%;background:linear-gradient(110deg,rgba(22,119,238,.06),rgba(255,255,255,.4));transform:rotate(-10deg);pointer-events:none}.media-slot img.asset-absent,.hero-banner img.asset-absent{display:none!important}.media-slot img,.hero-banner img{position:relative;z-index:2;width:100%;height:100%;object-fit:contain;object-position:center}.media-label{z-index:1;position:relative;font-weight:750;font-size:clamp(15px,2.2vw,22px);letter-spacing:.16em;color:#0a4a87;padding:20px;text-align:center}.media-slot{aspect-ratio:16/9}.hero-banner{aspect-ratio:16/7;max-height:420px;width:100%;border-radius:18px 18px 0 0;background:linear-gradient(120deg,#0c427c,#1677ee 60%,#90cdff)}.hero-banner:before{border-color:rgba(255,255,255,.18);box-shadow:0 0 0 36px rgba(255,255,255,.05),0 0 0 100px rgba(255,255,255,.06)}.banner-fallback{position:relative;z-index:1;font-size:clamp(26px,5vw,64px);font-weight:850;letter-spacing:.08em;color:#fff;text-align:center}.banner-fallback span{display:block;font-weight:500;font-size:12px;letter-spacing:.38em;color:#dceeff;margin-top:9px}.media-slot--small{aspect-ratio:4/3}.media-slot--portrait{aspect-ratio:3/4;max-height:520px}.media-slot--wide{aspect-ratio:16/7}.media-slot--blue{background:linear-gradient(135deg,#0a315e,#276da9 53%,#d5ecff)}.media-slot--blue .media-label{color:white}.media-slot--sage{background:linear-gradient(135deg,#e7f3ed,#f8fcfc,#c8e0d9)}.media-slot--sand{background:linear-gradient(125deg,#fff7e8,#f2f8ff,#d8e9fc)}
/* 首页封面与导航 */
.home-hero{padding-top:22px}.hero-copy{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:22px;align-items:center;border:1px solid var(--line);border-top:0;border-radius:0 0 16px 16px;padding:25px 34px 30px;background:#fff}.hero-copy h1{font-size:clamp(32px,4.2vw,48px);margin:0 0 8px}.hero-copy p{margin:0;max-width:850px}.hero-copy .eyebrow{margin-bottom:6px}.hero-actions{display:flex;gap:10px;align-items:center}.quick-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;margin-top:20px}.quick-grid a{display:block;min-height:120px;background:#edf5ff;border:1px solid #d8e9fb;padding:20px;border-radius:13px}.quick-grid a:nth-child(2){background:#f7faff}.quick-grid a:nth-child(3){background:#e6f2ff}.quick-grid a:hover{background:#dbecff;transform:translateY(-2px)}.quick-grid strong{display:block;color:#132c50;font-size:18px;margin-bottom:6px}.quick-grid p{margin:0;color:#61768c;font-size:14px}
/* 编辑精选 */
.editor-grid{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,1fr);gap:15px}.editor-lead{padding:30px;background:linear-gradient(138deg,#0a315e,#1766bd);border-radius:16px;color:#dceeff;min-height:318px;display:flex;flex-direction:column;justify-content:space-between}.editor-lead h3{color:white;font-size:clamp(22px,2.7vw,32px);max-width:440px;margin:16px 0}.editor-lead .text-link{color:#fff}.editor-other{display:grid;gap:12px}.editor-middle{display:grid;grid-template-columns:1fr 1fr;gap:12px}.editor-middle article{padding:23px;background:#f7faff;border:1px solid var(--line);border-radius:14px}.editor-middle h3{font-size:18px}.editor-shorts{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.editor-shorts article{background:white;padding:16px;border:1px solid var(--line);border-radius:12px}.editor-shorts h3{font-size:15px;margin-bottom:7px}.editor-shorts p{font-size:13px;color:var(--muted);margin:0}
/* 城市、行程、兴趣、问答 */
.city-feature{display:grid;grid-template-columns:55fr 45fr;gap:28px;align-items:center}.city-feature-image{aspect-ratio:4/3}.city-feature .city-text h2{margin:8px 0 15px}.city-feature .city-text p{font-size:16px}.time-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px}.time-card{padding:23px;border:1px solid var(--line);border-top:3px solid var(--blue);background:white;border-radius:13px;min-width:0}.time-card small{display:block;color:var(--blue);letter-spacing:.1em;margin-bottom:8px}.time-card p{font-size:15px;margin:0}.route-steps{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:10px;counter-reset:route}.route-steps article{position:relative;min-height:183px;padding:20px 15px;background:#fff;border:1px solid var(--line);border-radius:12px}.route-steps article .num{font-size:24px}.route-steps h3{margin:16px 0 8px;font-size:17px}.route-steps p{font-size:14px;margin:0}.interest-grid{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:12px}.interest-grid a{border:1px solid var(--line);background:#fff;border-radius:13px;padding:22px 16px;min-height:118px;display:block}.interest-grid a:hover{background:#edf5ff}.interest-grid b{color:var(--ink);font-size:17px}.interest-grid span{display:block;font-size:13px;color:var(--muted);margin-top:9px}.experience-grid,.guide-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:15px}.experience-grid article,.guide-grid article{padding:22px;background:#fff;border:1px solid var(--line);border-radius:13px}.experience-grid h3,.guide-grid h3{margin-bottom:9px}.experience-grid p,.guide-grid p{font-size:15px;margin:0}.feature-essays{display:grid;grid-template-columns:1.25fr .85fr .85fr;gap:14px}.feature-essays article{background:#fff;padding:27px;border:1px solid var(--line);border-radius:14px}.feature-essays article:first-child{background:#edf5ff}.feature-essays p{font-size:15px}
/* 社区故事与讨论 */
.story-feature{display:grid;grid-template-columns:1.28fr 1fr;gap:14px}.story-long{padding:34px;background:linear-gradient(135deg,#e5f1ff,#fff);border-radius:15px;border:1px solid var(--line)}.story-long h3{font-size:25px}.story-minis{display:grid;grid-template-columns:1fr 1fr;gap:12px}.story-minis article{border:1px solid var(--line);padding:20px;border-radius:12px}.story-minis h3{font-size:17px}.topics-list{display:grid;grid-template-columns:1fr 1fr;gap:12px}.topics-list article{display:grid;grid-template-columns:55px 1fr;gap:10px;align-items:center;padding:21px;background:#fff;border:1px solid var(--line);border-radius:12px}.topics-list .num{font-size:31px}.topics-list h3{margin-bottom:4px}.topics-list p{font-size:14px;margin:0}
/* 画册、APP及服务 */
.album-grid{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:12px}.album-item{position:relative;min-width:0}.album-item .media-slot{border-radius:12px}.album-wide{grid-column:span 6}.album-wide .media-slot{aspect-ratio:16/7}.album-medium{grid-column:span 3}.album-medium .media-slot{aspect-ratio:16/9}.album-small{grid-column:span 2}.album-small .media-slot{aspect-ratio:4/3}.album-caption{display:flex;justify-content:space-between;padding:8px 5px 0;gap:10px;font-size:14px;font-weight:700;color:var(--ink)}.album-caption small{font-size:12px;color:var(--muted);font-weight:500}.pulse-list{display:grid;gap:9px}.pulse-list article{display:grid;grid-template-columns:110px 1fr;gap:18px;padding:16px 21px;background:#fff;border-radius:10px;border:1px solid var(--line)}.pulse-list h3{font-size:17px;margin:0}.pulse-list p{font-size:14px;margin:0}.app-feature{display:grid;grid-template-columns:1.1fr .9fr;gap:36px;align-items:center}.app-preview-image{max-height:520px;max-width:410px;margin-inline:auto;aspect-ratio:9/16}.app-copy>p{font-size:16px}.app-chip{display:inline-flex;gap:9px;align-items:center;padding:8px 13px;background:#edf5ff;color:#0a315e;font-size:14px;border-radius:9px;margin:9px 0 18px}.app-small-icon{display:inline-flex;width:48px;height:48px;align-items:center;justify-content:center;background:#fff;border-radius:11px;font-weight:900;color:var(--blue);overflow:hidden}.app-small-icon img{max-width:100%;max-height:100%;object-fit:contain}.safety-split{display:grid;grid-template-columns:1fr 1fr;gap:18px}.safety-split article{padding:29px;border-radius:14px}.safety-split .dark{background:#0a315e;color:#dceeff}.safety-split .dark h3{color:#fff}.safety-split .light{background:#fff;border:1px solid #cae2ff}.mini-faq{display:grid;grid-template-columns:1fr 1fr;gap:13px}.mini-faq article{padding:20px;background:#fff;border-radius:12px;border:1px solid var(--line)}.mini-faq h3{font-size:16px}.mini-faq p{font-size:14px;margin:0}.brand-manifesto{padding:36px;background:linear-gradient(140deg,#edf5ff,#fafdff);border-left:4px solid var(--blue);border-radius:0 14px 14px 0}.brand-manifesto p{max-width:900px}
/* 独立专题页：每页各自排版，不让正文装入内部滚动容器 */
.inner-page{padding:30px 0 60px}.page-intro{padding:35px 0 31px;border-bottom:1px solid var(--line);margin-bottom:30px}.page-intro .eyebrow{margin-bottom:10px}.page-intro h1{font-size:clamp(28px,3.5vw,43px);margin-bottom:15px}.page-intro>p{max-width:870px;font-size:17px;line-height:1.8}.intro-visual{display:grid;grid-template-columns:.95fr 1.05fr;gap:28px;align-items:center}.intro-visual .media-slot{max-height:340px}.page-toolbar{display:flex;flex-wrap:wrap;gap:9px;margin-top:20px}.page-toolbar a{display:inline-flex;min-height:42px;align-items:center;padding:7px 13px;border-radius:8px;border:1px solid #d4e7fa;background:#f7faff;font-size:14px;color:#075fc6;font-weight:700}.page-toolbar a:hover{background:#dfedff}.chapter-list{display:grid;gap:0;counter-reset:chap}.chapter{display:grid;grid-template-columns:72px minmax(0,1fr);gap:22px;padding:29px 0;border-bottom:1px solid var(--line)}.chapter-no{font:700 36px Georgia,serif;color:var(--blue)}.chapter h2{font-size:22px;margin:0 0 11px}.chapter p{font-size:16px;line-height:1.87;max-width:845px;margin:0}.layout-ledger .chapter{grid-template-columns:130px 1fr}.layout-ledger .chapter:nth-child(2n){background:#f7faff;border-radius:10px;padding-left:20px;padding-right:20px}.layout-editor .chapter:nth-child(3n+1){background:#edf5ff;border:1px solid var(--line);border-radius:13px;padding:23px 25px;margin:12px 0}.layout-grid .chapter-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:15px}.layout-grid .chapter{grid-template-columns:44px 1fr;background:#fff;border:1px solid var(--line);border-radius:13px;padding:24px;align-items:start}.layout-grid .chapter-no{font-size:27px}.layout-grid .chapter h2{font-size:19px}.layout-grid .chapter p{font-size:15px}.layout-timeline .chapter{position:relative;border-left:2px solid #d0e6ff;margin-left:16px;padding:16px 0 24px 24px;grid-template-columns:54px 1fr}.layout-timeline .chapter-no{font-size:26px}.layout-timeline .chapter:before{position:absolute;content:"";width:11px;height:11px;background:var(--blue);border-radius:100%;left:-7px;top:24px}.layout-essay .chapter-list{max-width:830px;margin-inline:auto}.layout-essay .chapter{grid-template-columns:1fr;gap:9px}.layout-essay .chapter-no{font-size:15px;font-weight:800;font-family:inherit;letter-spacing:.12em}.layout-essay .chapter p{line-height:2}.layout-dark .page-intro{background:#0a315e;border-radius:15px;color:#dceeff;padding:30px}.layout-dark .page-intro h1{color:#fff}.layout-dark .page-intro .eyebrow{color:#bde0ff}.layout-dark .page-intro>p{color:#dceeff}.layout-dark .chapter:nth-child(even){background:#f7faff;padding:24px;border-radius:10px}.layout-questions .chapter{grid-template-columns:75px 1fr}.layout-questions .chapter h2:before{content:"提问 · ";color:var(--blue);font-size:13px;vertical-align:middle}.page-outro{margin:36px 0 0;max-width:870px;background:#f7faff;border-radius:14px;padding:24px 28px;border:1px solid var(--line)}.page-outro h2{font-size:21px;margin-bottom:12px}.related-links{padding:32px 0 60px}.related-links h2{font-size:23px;margin-bottom:18px}.related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}.related-grid a{position:relative;padding:20px 22px 24px;min-height:130px;border:1px solid var(--line);border-radius:12px;background:#fff}.related-grid a:hover{background:#edf5ff;box-shadow:var(--shadow)}.related-grid strong{display:block;font-size:17px;color:var(--ink);margin-bottom:9px}.related-grid small{display:block;font-size:13px;line-height:1.6;color:var(--muted);padding-right:20px}.related-grid a>span{position:absolute;right:17px;top:17px;color:var(--blue)}.faq-stack{max-width:1000px;margin:auto;display:grid;gap:12px}.faq-stack details{border:1px solid var(--line);background:#fff;border-radius:12px;padding:0 19px}.faq-stack details[open]{background:#f7faff}.faq-stack summary{cursor:pointer;min-height:62px;display:flex;align-items:center;justify-content:space-between;font-size:17px;font-weight:750;color:var(--ink)}.faq-stack summary:after{content:"＋";color:var(--blue);font-size:21px;margin-left:12px}.faq-stack details[open] summary:after{content:"−"}.faq-stack p{max-width:850px;padding:0 0 17px;font-size:16px;margin:0}.search-results{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin-top:25px}.search-results article{padding:22px;border:1px solid var(--line);border-radius:13px}.search-results h2{font-size:20px;margin-bottom:8px}.search-results p{font-size:14px}
/* 页脚 */
.site-footer{background:#071d37;color:#dceeff;padding:56px 0 30px;border-top:3px solid #99caff}.footer-inner{display:grid;grid-template-columns:1.25fr 3fr;gap:35px}.footer-brand{display:flex;align-items:center;gap:12px;width:max-content;max-width:100%;color:#fff;margin-bottom:16px}.footer-brand:hover{color:#fff}.footer-logo{max-height:38px;max-width:110px;object-fit:contain}.footer-brand .brand-fallback,.footer-brand .brand-fallback span{color:#fff}.footer-brand-name{display:grid;line-height:1.3}.footer-brand-name strong{color:#fff;font-size:20px}.footer-brand-name small{font-size:12px;color:#b3d6fb;letter-spacing:.13em}.footer-intro>p{color:#c5d9f0;font-size:14px;max-width:300px}.footer-sections{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}.footer-group h3{color:#fff;font-size:16px;padding-bottom:12px;border-bottom:1px solid rgba(255,255,255,.13);margin-bottom:12px}.footer-group a{color:#cadcf1;display:block;min-height:30px;font-size:14px;margin-bottom:6px}.footer-group a:hover{color:#fff;text-decoration:underline}.footer-bottom{grid-column:1/-1;border-top:1px solid rgba(255,255,255,.12);padding-top:18px;display:flex;align-items:center;justify-content:space-between;gap:20px;font-size:13px;color:#b1cee9}.footer-bottom p{margin:0}
/* 超级菜单、搜索层与遮罩 */
.ui-shade{position:fixed;inset:0;z-index:85;background:rgba(8,30,60,.48);backdrop-filter:blur(2px);opacity:0;visibility:hidden;pointer-events:none;transition:opacity .22s ease,visibility .22s}.ui-shade.is-visible{opacity:1;visibility:visible;pointer-events:auto}.mega-panel,.search-panel{position:fixed;z-index:90;visibility:hidden;pointer-events:none;opacity:0;background:#fff;border:1px solid var(--line);box-shadow:0 20px 70px rgba(8,32,69,.19);transition:transform .22s ease,opacity .22s ease,visibility .22s}.mega-panel{top:74px;left:50%;transform:translate(-50%,-18px);width:min(1320px,calc(100% - 40px));max-height:calc(100dvh - 86px);border-radius:0 0 17px 17px;overflow-y:auto}.mega-panel.is-open{visibility:visible;pointer-events:auto;opacity:1;transform:translate(-50%,0)}.mega-head{display:flex;align-items:center;justify-content:space-between;padding:18px 24px;border-bottom:1px solid var(--line);background:#f7faff}.mega-heading{display:flex;align-items:center;gap:15px}.mega-heading strong{display:block;color:var(--ink);font-size:23px}.mega-heading small{display:block;font-size:13px;color:var(--muted)}.mega-logo{max-height:36px;max-width:95px;object-fit:contain}.close-button{min-width:44px;min-height:44px;border:1px solid var(--line);background:#fff;color:var(--ink);border-radius:10px;font-size:21px}.close-button:hover{background:#edf5ff;color:var(--blue)}.mega-body{padding:25px 0 32px;display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:20px}.mega-group h2{font-size:16px;margin:0 0 13px;color:var(--blue);letter-spacing:.03em}.mega-group-links{display:grid;gap:7px}.mega-group-links a{padding:10px 11px;border-radius:9px;border:1px solid transparent}.mega-group-links a:hover{border-color:var(--line);background:#edf5ff}.mega-group-links b{display:block;font-size:14px;color:var(--ink)}.mega-group-links small{display:block;font-size:12px;line-height:1.5;color:var(--muted);margin-top:4px}.search-panel{top:82px;left:50%;transform:translate(-50%,-14px);width:min(700px,calc(100% - 40px));border-radius:16px;padding:26px}.search-panel.is-open{visibility:visible;pointer-events:auto;opacity:1;transform:translate(-50%,0)}.search-panel-head{display:flex;align-items:center;justify-content:space-between;gap:20px}.search-panel-head strong{font-size:23px;color:var(--ink)}.search-panel>p{font-size:14px;color:var(--muted);margin:8px 0 20px}.search-form{display:flex;gap:9px}.search-form input{min-width:0;flex:1;height:48px;border:1px solid #bdd7f5;border-radius:10px;padding:0 15px;background:#fff;color:var(--ink);font-size:15px}.search-form input:focus{outline:2px solid #80b6ff}.search-suggestions{display:flex;flex-wrap:wrap;gap:9px;align-items:center;margin-top:20px}.search-suggestions>span{font-size:13px;color:var(--muted);width:100%}.search-suggestions a{padding:7px 12px;border:1px solid var(--line);border-radius:8px;color:#075fc6;font-size:13px;background:#f7faff}.search-suggestions a:hover{background:#e5f1ff}.mobile-bottom-nav{display:none}
@media(max-width:1250px){.desktop-primary a{padding-inline:9px}.header-inner{gap:8px}.header-actions{gap:2px}.header-hot{display:none}}
@media(max-width:1090px){.desktop-primary{display:none}.mobile-menu{display:inline-flex}.header-inner{display:grid;grid-template-columns:1fr auto 1fr}.header-inner>.brand{justify-self:center}.header-actions{justify-self:end}.header-actions>.desktop-only{display:none}.header-inner>.mobile-menu{justify-self:start}.brand-title{display:none}.mega-body{grid-template-columns:repeat(3,1fr)}.footer-inner{grid-template-columns:1fr}.footer-intro>p{max-width:700px}}
@media(max-width:850px){.editor-grid,.city-feature,.story-feature,.app-feature{grid-template-columns:1fr}.editor-lead{min-height:260px}.time-grid{grid-template-columns:repeat(2,1fr)}.route-steps{grid-template-columns:repeat(3,1fr)}.interest-grid{grid-template-columns:repeat(3,1fr)}.feature-essays{grid-template-columns:1fr 1fr}.feature-essays article:first-child{grid-column:1/-1}.city-feature-image{max-height:420px}.app-feature .app-preview-image{max-height:380px}.footer-sections{grid-template-columns:repeat(4,1fr)}.hero-copy{grid-template-columns:1fr}.hero-actions{justify-content:start}.intro-visual{grid-template-columns:1fr}.intro-visual .media-slot{max-height:360px}}
@media(max-width:767px){html{scroll-padding-top:75px}.shell{width:calc(100% - 32px)}.header-inner{height:64px}.brand-image{height:30px;max-width:85px}.brand-fallback{font-size:23px}.header-actions{gap:0}.desktop-search-label{display:none}.mobile-bottom-nav{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));position:fixed;z-index:73;bottom:0;left:0;right:0;height:calc(58px + env(safe-area-inset-bottom));background:#fff;border-top:1px solid #cce2fa;padding-bottom:env(safe-area-inset-bottom);box-shadow:0 -5px 17px rgba(20,60,110,.06)}.mobile-bottom-nav a{display:flex;align-items:center;justify-content:center;flex-direction:column;gap:2px;font-size:12px;color:#577087;min-width:0;min-height:54px}.mobile-bottom-nav .nav-dot{display:block;background:#a9d0ff;width:18px;height:3px;border-radius:4px}.mobile-bottom-nav a.is-current{background:linear-gradient(135deg,#3998ff,#1677ee);color:#fff;font-weight:700}.mobile-bottom-nav a.is-current .nav-dot{background:#fff}.site-footer{padding-bottom:calc(95px + env(safe-area-inset-bottom))}.mega-panel,.search-panel{top:0;left:0;width:100%;height:100dvh;max-height:100dvh;border:0;border-radius:0;transform:translateY(-12px);overflow-y:auto;padding:0}.mega-panel.is-open,.search-panel.is-open{transform:translateY(0)}.mega-head{position:sticky;top:0;z-index:2}.mega-body{width:calc(100% - 32px);display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px 13px;padding-top:23px}.mega-group h2{font-size:15px}.mega-group-links a{padding:9px}.mega-group-links small{font-size:12px}.search-panel{padding:22px 16px;background:#f7faff}.search-panel-head{padding-top:3px}.search-form{flex-direction:column}.search-form input{flex:none}.search-panel .primary-button{width:100%}.search-suggestions{gap:10px}.home-section{padding-block:32px}.home-hero{padding-top:12px}.hero-banner{aspect-ratio:16/10;border-radius:12px 12px 0 0}.hero-copy{padding:20px 18px}.hero-copy h1{font-size:clamp(30px,7.6vw,38px)}.hero-copy p{font-size:15px}.hero-actions{flex-wrap:wrap}.hero-actions .primary-button,.hero-actions .secondary-button{flex:1;padding-inline:8px;font-size:13px}.quick-grid{grid-template-columns:1fr 1fr;gap:9px}.quick-grid a{min-height:121px;padding:17px 12px}.quick-grid strong{font-size:16px}.quick-grid p{font-size:13px}.section-heading{display:block}.section-heading .text-link{margin-top:7px}.editor-middle{grid-template-columns:1fr}.editor-shorts{grid-template-columns:1fr}.editor-lead{padding:23px;min-height:260px}.experience-grid,.guide-grid,.related-grid{grid-template-columns:1fr}.interest-grid{grid-template-columns:1fr 1fr}.interest-grid a{min-height:105px;padding:16px 13px}.feature-essays{grid-template-columns:1fr}.feature-essays article:first-child{grid-column:auto}.story-minis{grid-template-columns:1fr 1fr}.topics-list{grid-template-columns:1fr}.album-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.album-wide,.album-medium{grid-column:span 2}.album-small{grid-column:span 1}.album-small:last-child{grid-column:span 2}.album-small:last-child .media-slot{aspect-ratio:16/9}.album-wide .media-slot{aspect-ratio:16/10}.album-caption{font-size:13px;flex-wrap:wrap}.pulse-list article{grid-template-columns:1fr;gap:6px}.safety-split,.mini-faq{grid-template-columns:1fr}.app-feature .app-preview-image{width:min(320px,100%)}.footer-sections{grid-template-columns:repeat(2,minmax(0,1fr));gap:27px}.footer-bottom{display:block}.footer-bottom p+p{margin-top:9px}.inner-page{padding-top:20px}.page-intro{padding:18px 0 23px;margin-bottom:18px}.page-intro h1{font-size:clamp(28px,7vw,34px)}.page-intro>p{font-size:15px}.chapter{grid-template-columns:48px 1fr;gap:8px;padding:22px 0}.chapter-no{font-size:25px}.chapter h2{font-size:20px}.chapter p{font-size:15px;line-height:1.85}.layout-grid .chapter-list{grid-template-columns:1fr}.layout-ledger .chapter{grid-template-columns:1fr;gap:4px}.layout-questions .chapter{grid-template-columns:1fr;gap:0}.layout-editor .chapter:nth-child(3n+1){padding:19px}.related-links{padding-bottom:38px}.search-results{grid-template-columns:1fr}}
@media(max-width:380px){.brand-fallback{font-size:21px}.hero-actions{gap:7px}.hero-actions a{font-size:12px}.time-grid{gap:9px}.time-card{padding:18px 14px}.route-steps{grid-template-columns:repeat(2,minmax(0,1fr))}.mega-body{grid-template-columns:1fr}.mega-group-links{grid-template-columns:1fr 1fr}.mega-group-links a{padding:8px}.mega-group-links small{font-size:13px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{animation-duration:.01ms!important;transition-duration:.01ms!important;scroll-behavior:auto!important}}