:root{--blue:#1677EE;--bright:#3395FF;--deep:#075FC6;--navy:#0A315E;--footer:#071D37;--ink:#16243A;--text:#3C485A;--muted:#6B7787;--light:#F7FAFF;--pale:#EDF5FF;--soft:#E5F1FF;--border: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:24px;--shell:min(1320px,calc(100% - 48px))}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:#fff;color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;line-height:1.75;overflow-x:hidden}body.panel-open{overflow:hidden}a{color:inherit;text-decoration:none}button,input{font:inherit}button{cursor:pointer}img{display:block;max-width:100%}.shell{width:var(--shell);margin:0 auto}.site-header{position:sticky;top:0;z-index:80;background:rgba(255,255,255,.95);backdrop-filter:blur(16px);border-bottom:1px solid var(--border)}.desktop-nav{height:74px;display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:22px}.brand-island{height:50px;display:flex;align-items:center;gap:10px;padding:7px 15px 7px 8px;background:linear-gradient(145deg,#fff,#edf5ff);border:1px solid var(--border);border-radius:18px;box-shadow:var(--shadow)}.brand-logo-slot,.mobile-logo-slot,.drawer-logo-slot,.footer-logo-slot{display:grid;place-items:center;background:linear-gradient(135deg,#e8f3ff,#fff);border:1px solid var(--border);overflow:hidden}.brand-logo-slot{width:38px;height:38px;border-radius:12px}.brand-logo-slot img,.mobile-logo-slot img,.drawer-logo-slot img,.footer-logo-slot img{width:100%;height:100%;object-fit:contain}.brand-copy{display:flex;flex-direction:column;line-height:1.2}.brand-copy strong{font-size:16px;color:var(--ink)}.brand-copy small{font-size:10px;letter-spacing:.16em;color:var(--muted);margin-top:3px}.desktop-links{min-width:0;display:flex;align-items:center;justify-content:center;gap:2px;white-space:nowrap}.desktop-links a{height:44px;display:flex;align-items:center;gap:7px;padding:0 12px;border-radius:14px;font-size:14px;color:#44546a}.desktop-links a span{width:6px;height:6px;border-radius:50%;background:transparent}.desktop-links a:hover,.desktop-links a.active{background:var(--pale);color:var(--deep)}.desktop-links a.active span{background:var(--blue)}.desktop-actions{display:flex;align-items:center;gap:7px}.nav-action,.icon-button,.menu-button{min-height:44px;border-radius:14px;display:inline-grid;place-items:center}.nav-action{padding:0 12px;font-size:14px}.app-link{background:linear-gradient(135deg,var(--bright),var(--blue) 55%,var(--deep));color:#fff}.icon-button,.menu-button{border:1px solid var(--border);background:#fff;color:var(--ink)}.icon-button{width:44px;font-size:21px}.menu-button{padding:0 13px}.mobile-nav{display:none;height:62px;grid-template-columns:44px 1fr 44px;align-items:center}.mobile-brand{justify-self:center;display:flex;align-items:center;gap:8px;color:var(--ink)}.mobile-logo-slot{width:30px;height:30px;border-radius:10px}.mobile-brand strong{font-size:16px}.page-hero{padding:68px 0 50px;background:linear-gradient(180deg,#f7fbff 0,#fff 100%)}.page-hero .inner{display:grid;grid-template-columns:minmax(0,1fr) minmax(280px,.58fr);gap:54px;align-items:end}.eyebrow{font-size:13px;font-weight:700;letter-spacing:.16em;color:var(--blue);text-transform:uppercase}.page-hero h1{margin:12px 0 18px;font-size:clamp(36px,4.4vw,46px);line-height:1.15;color:var(--ink);letter-spacing:-.035em}.page-hero p{margin:0;max-width:780px;font-size:17px;color:#58667a}.hero-note{padding:22px;border-radius:22px;background:#fff;border:1px solid var(--border);box-shadow:var(--shadow)}.hero-note strong{display:block;color:var(--ink);font-size:18px;margin-bottom:6px}.hero-note p{font-size:14px}.hero-banner{position:relative;aspect-ratio:16/7;max-height:520px;border-radius:32px;overflow:hidden;background:linear-gradient(135deg,#0a315e,#1677ee 58%,#dcebff);box-shadow:var(--brand-shadow);border:1px solid rgba(255,255,255,.55)}.hero-banner img{width:100%;height:100%;object-fit:contain}.hero-banner-copy{position:absolute;left:5%;bottom:9%;max-width:460px;padding:24px 26px;background:rgba(7,29,55,.82);color:#fff;border:1px solid rgba(255,255,255,.16);border-radius:22px;backdrop-filter:blur(10px)}.hero-banner-copy h1{margin:0 0 8px;font-size:clamp(34px,4vw,52px);line-height:1.08}.hero-banner-copy p{margin:0;color:#DCEEFF;font-size:16px}.home-top{padding:38px 0 22px}.quick-grid{margin-top:20px;display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.quick-grid a{min-height:104px;padding:20px;border-radius:22px;border:1px solid var(--border);background:#fff;box-shadow:var(--shadow);display:flex;flex-direction:column;justify-content:space-between}.quick-grid strong{color:var(--ink);font-size:18px}.quick-grid span{font-size:13px;color:var(--muted)}.section{padding:58px 0}.section.alt{background:var(--light)}.section.soft{background:var(--pale)}.section.dark{background:var(--navy);color:#DCEEFF}.section.dark h2,.section.dark h3{color:#fff}.section-head{display:flex;justify-content:space-between;gap:24px;align-items:end;margin-bottom:26px}.section-head .title-wrap{max-width:760px}.section-kicker{font-size:13px;font-weight:700;color:var(--blue);letter-spacing:.12em}.dark .section-kicker{color:#b9dcff}.section-head h2{margin:7px 0 7px;color:var(--ink);font-size:clamp(26px,3.2vw,34px);line-height:1.2}.section-head p{margin:0;color:var(--muted);font-size:15px}.dark .section-head p{color:#DCEEFF}.text-link{font-size:14px;color:var(--deep);white-space:nowrap}.dark .text-link{color:#fff}.feature-split{display:grid;grid-template-columns:1.2fr 1fr;gap:36px;align-items:center}.city-feature-image,.app-preview-image,.image-slot{position:relative;overflow:hidden;border-radius:28px;background:linear-gradient(135deg,#e6f2ff,#fff);border:1px solid var(--border);box-shadow:var(--shadow)}.city-feature-image{aspect-ratio:4/3}.city-feature-image img{width:100%;height:100%;object-fit:cover}.app-preview-image{min-height:460px;display:grid;place-items:center;padding:30px}.app-preview-image img{max-height:520px;object-fit:contain}.feature-copy h3{margin:0 0 14px;color:var(--ink);font-size:28px;line-height:1.25}.feature-copy p{margin:0 0 14px}.tagline{display:flex;flex-wrap:wrap;gap:8px;margin:18px 0}.tagline span,.topic-chip{padding:7px 11px;border-radius:999px;background:var(--pale);color:var(--deep);font-size:13px}.btn{display:inline-flex;min-height:44px;align-items:center;justify-content:center;padding:0 17px;border-radius:14px;background:linear-gradient(135deg,#3998FF,#1677EE 55%,#075FC6);color:#fff;font-weight:700;font-size:14px}.editorial-grid{display:grid;grid-template-columns:1.3fr .85fr .85fr;gap:16px}.story-card{padding:24px;border-radius:22px;background:#fff;border:1px solid var(--border);box-shadow:var(--shadow)}.story-card.large{grid-row:span 2;min-height:360px;background:linear-gradient(150deg,#0a315e,#1677ee);color:#DCEEFF}.story-card h3{margin:0 0 10px;color:var(--ink);font-size:21px;line-height:1.35}.story-card.large h3{color:#fff;font-size:29px}.story-card p{margin:0;color:var(--muted);font-size:15px}.story-card.large p{color:#DCEEFF}.story-card.short{min-height:150px}.time-board{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.time-item{padding:22px;border:1px solid var(--border);border-radius:22px;background:#fff}.time-item b{display:inline-flex;margin-bottom:12px;color:var(--blue)}.time-item h3{margin:0 0 9px;color:var(--ink);font-size:19px}.time-item p{margin:0;color:var(--muted);font-size:14px}.route-line{display:grid;grid-template-columns:repeat(6,1fr);gap:10px}.route-step{position:relative;padding:20px 14px 18px;border-radius:20px;background:#fff;border:1px solid var(--border)}.route-step strong{display:block;color:var(--ink);margin-bottom:7px}.route-step span{font-size:13px;color:var(--muted)}.interest-wall{display:grid;grid-template-columns:repeat(5,1fr);gap:12px}.interest-wall a,.interest-wall div{padding:18px;border-radius:18px;background:#fff;border:1px solid var(--border);font-size:16px;color:var(--ink)}.question-list{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}.question-item{padding:22px 24px;background:#fff;border-radius:20px;border:1px solid var(--border)}.question-item h3{font-size:19px;margin:0 0 8px;color:var(--ink)}.question-item p{margin:0;font-size:15px;color:var(--muted)}.feature-articles{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.feature-articles article{padding:24px;background:#fff;border-left:4px solid var(--blue);border-radius:0 20px 20px 0;box-shadow:var(--shadow)}.feature-articles h3{margin:0 0 10px;color:var(--ink);font-size:20px}.feature-articles p{margin:0;color:var(--muted);font-size:15px}.story-magazine{display:grid;grid-template-columns:1.4fr 1fr;gap:20px}.story-main,.story-side article{padding:28px;border-radius:24px;background:#fff;border:1px solid var(--border)}.story-main h3,.story-side h3{margin:0 0 12px;color:var(--ink)}.story-main h3{font-size:27px}.story-side{display:grid;grid-template-columns:1fr 1fr;gap:14px}.story-side article{padding:20px}.story-side p,.story-main p{margin:0;color:var(--muted)}.topic-list{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.topic-card{padding:22px;border-radius:20px;background:#fff;border:1px solid var(--border)}.topic-card h3{margin:0 0 8px;color:var(--ink);font-size:19px}.topic-card p{margin:0;color:var(--muted);font-size:14px}.guide-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.guide-card{padding:22px;border-radius:20px;background:#fff;border:1px solid var(--border)}.guide-card h3{margin:0 0 9px;color:var(--ink);font-size:18px}.guide-card p{margin:0;color:var(--muted);font-size:14px}.album-grid{display:grid;grid-template-columns:2fr 1fr 1fr;grid-auto-rows:210px;gap:14px}.media-slot{border-radius:22px;background:linear-gradient(145deg,#dceeff,#fff);border:1px solid var(--border);overflow:hidden;position:relative}.media-slot:nth-child(1){grid-row:span 2}.media-slot:nth-child(2),.media-slot:nth-child(3){grid-row:span 1}.media-slot::after{content:"";position:absolute;inset:0;background:radial-gradient(circle at 70% 25%,rgba(22,119,238,.14),transparent 32%)}.pulse-list{display:grid;gap:10px}.pulse-row{display:grid;grid-template-columns:170px 1fr;gap:20px;align-items:start;padding:18px 20px;border-radius:18px;background:#fff;border:1px solid var(--border)}.pulse-row strong{color:var(--ink)}.pulse-row p{margin:0;color:var(--muted);font-size:14px}.info-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.info-card{padding:23px;border-radius:20px;background:#fff;border:1px solid var(--border)}.info-card h3{margin:0 0 9px;color:var(--ink);font-size:19px}.info-card p{margin:0;color:var(--muted);font-size:14px}.dark .info-card{background:rgba(255,255,255,.06);border-color:rgba(255,255,255,.12)}.dark .info-card h3{color:#fff}.dark .info-card p{color:#DCEEFF}.content-wrap{max-width:820px;margin:0 auto}.content-wrap.wide{max-width:1180px}.prose{font-size:16px}.prose h2{margin:34px 0 12px;color:var(--ink);font-size:28px}.prose h3{margin:25px 0 9px;color:var(--ink);font-size:20px}.prose p{margin:0 0 16px}.prose ul{padding-left:20px}.prose li{margin:8px 0}.index-wall{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}.index-card{padding:25px;border-radius:22px;background:#fff;border:1px solid var(--border)}.index-card h2{margin:0 0 10px;font-size:23px;color:var(--ink)}.index-card h3{margin:20px 0 8px;font-size:17px;color:var(--deep)}.index-card p{margin:0 0 10px;color:var(--muted)}.qa-list{display:grid;gap:10px}.qa-list details{padding:18px 20px;border:1px solid var(--border);border-radius:16px;background:#fff}.qa-list summary{cursor:pointer;color:var(--ink);font-weight:700}.qa-list p{margin:10px 0 0;color:var(--muted)}.contact-flow{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;counter-reset:step}.contact-flow div{padding:22px;border-radius:18px;background:#fff;border:1px solid var(--border);counter-increment:step}.contact-flow div::before{content:counter(step,decimal-leading-zero);display:block;color:var(--blue);font-weight:800;font-size:13px;margin-bottom:10px}.contact-flow h3{margin:0 0 7px;color:var(--ink);font-size:18px}.contact-flow p{margin:0;color:var(--muted);font-size:14px}.mobile-bottom{display:none}.overlay{position:fixed;inset:0;z-index:90;background:rgba(3,19,38,.48);opacity:0;visibility:hidden;pointer-events:none;transition:.2s}.overlay.is-open{opacity:1;visibility:visible;pointer-events:auto}.mega-menu,.search-panel{position:fixed;z-index:100;visibility:hidden;pointer-events:none;opacity:0;transition:.22s}.mega-menu{top:88px;left:50%;transform:translate(-50%,-10px);width:min(1180px,calc(100% - 44px));max-height:calc(100vh - 110px);overflow:auto;padding:24px;border-radius:28px;background:#fff;border:1px solid var(--border);box-shadow:0 30px 80px rgba(2,34,70,.22)}.mega-menu.is-open{visibility:visible;pointer-events:auto;opacity:1;transform:translate(-50%,0)}.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:22px}.drawer-brand{display:flex;align-items:center;gap:10px}.drawer-logo-slot{width:44px;height:44px;border-radius:14px}.drawer-brand span:last-child{display:flex;flex-direction:column;line-height:1.2}.drawer-brand strong{color:var(--ink)}.drawer-brand small{color:var(--muted);font-size:10px;letter-spacing:.15em;margin-top:3px}.close-button{width:44px;height:44px;border-radius:50%;border:1px solid var(--border);background:#fff;color:var(--ink);font-size:24px}.mega-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:12px}.mega-grid section{padding:18px;border-radius:18px;background:var(--light)}.mega-grid h2{margin:0 0 11px;font-size:16px;color:var(--ink)}.mega-grid a{display:block;padding:8px 0;color:#55657a;font-size:14px}.mega-grid a:hover{color:var(--blue)}.search-panel{inset:0;display:grid;place-items:center;padding:24px}.search-panel.is-open{visibility:visible;pointer-events:auto;opacity:1}.search-card{width:min(720px,100%);padding:28px;border-radius:28px;background:#fff;box-shadow:0 30px 80px rgba(2,34,70,.24);border:1px solid var(--border)}.search-title{display:flex;justify-content:space-between;gap:20px;align-items:start}.search-title small{color:var(--blue);font-weight:700}.search-title h2{margin:3px 0 20px;color:var(--ink);font-size:27px}.search-form label{display:block;font-size:13px;color:var(--muted);margin-bottom:8px}.search-form>div{display:grid;grid-template-columns:1fr auto;gap:10px}.search-form input{min-width:0;height:48px;padding:0 15px;border:1px solid var(--border);border-radius:14px;outline:none;color:var(--ink);background:#f8fbff}.search-form input:focus{border-color:var(--blue);box-shadow:0 0 0 3px rgba(22,119,238,.1)}.search-form button{border:0;border-radius:14px;background:var(--blue);color:#fff;padding:0 18px;font-weight:700}.search-links{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}.search-links a{padding:8px 11px;border-radius:999px;background:var(--pale);color:var(--deep);font-size:13px}.site-footer{background:var(--footer);color:#DCEEFF;border-top:1px solid rgba(112,188,255,.28);padding:52px 0 20px}.footer-inner{display:grid;grid-template-columns:1.05fr 2fr;gap:50px}.footer-brand{display:grid;grid-template-columns:auto 1fr;gap:12px}.footer-logo-slot{width:48px;height:48px;border-radius:14px;background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.12)}.footer-brand h2{margin:2px 0 0;color:#fff;font-size:20px}.brand-en{margin:0;color:#9fcbf7;font-size:11px;letter-spacing:.16em}.footer-brand>p{grid-column:1/-1;margin:6px 0 0;color:#bcd6ef;font-size:14px;max-width:430px}.footer-links{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}.footer-links h3{margin:0 0 10px;color:#fff;font-size:15px}.footer-links a{display:block;padding:5px 0;color:#bcd6ef;font-size:13px}.footer-bottom{border-top:1px solid rgba(255,255,255,.1);margin-top:34px;padding-top:18px;display:flex;justify-content:space-between;gap:18px;color:#95b9d9;font-size:12px}.footer-bottom div{display:flex;gap:16px}a:focus-visible,button:focus-visible,input:focus-visible{outline:3px solid rgba(22,119,238,.32);outline-offset:2px}@media(max-width:1180px){.desktop-links a{padding:0 8px}.brand-copy small{display:none}.desktop-nav{gap:12px}.feature-articles,.topic-list,.guide-grid{grid-template-columns:repeat(2,1fr)}.interest-wall{grid-template-columns:repeat(4,1fr)}}@media(max-width:1024px){.desktop-nav{display:none}.mobile-nav{display:grid}.page-hero{padding-top:50px}.page-hero .inner{grid-template-columns:1fr}.quick-grid{grid-template-columns:repeat(2,1fr)}.editorial-grid{grid-template-columns:1fr 1fr}.story-card.large{grid-column:1/-1;grid-row:auto;min-height:auto}.time-board{grid-template-columns:repeat(2,1fr)}.route-line{grid-template-columns:repeat(3,1fr)}.interest-wall{grid-template-columns:repeat(3,1fr)}.feature-split{grid-template-columns:1fr}.app-preview-image{min-height:380px}.story-magazine{grid-template-columns:1fr}.album-grid{grid-template-columns:2fr 1fr;grid-auto-rows:190px}.footer-inner{grid-template-columns:1fr}.mega-menu{top:76px}.mega-grid{grid-template-columns:repeat(3,1fr)}.contact-flow{grid-template-columns:repeat(2,1fr)}}@media(max-width:768px){:root{--shell:min(100% - 28px,1320px)}body{padding-bottom:60px}.mobile-bottom{position:fixed;left:0;right:0;bottom:0;z-index:75;height:58px;padding-bottom:env(safe-area-inset-bottom);display:grid;grid-template-columns:repeat(5,1fr);background:rgba(255,255,255,.97);border-top:1px solid var(--border);box-shadow:0 -6px 24px rgba(30,72,120,.08)}.mobile-bottom a{display:grid;place-items:center;font-size:12px;color:#56657a;min-height:44px}.page-hero{padding:42px 0 34px}.page-hero h1{font-size:clamp(28px,8vw,34px)}.page-hero p{font-size:15px}.hero-banner{aspect-ratio:16/10;border-radius:22px}.hero-banner-copy{left:4%;right:4%;bottom:5%;max-width:none;padding:18px}.hero-banner-copy h1{font-size:clamp(29px,8vw,38px)}.hero-banner-copy p{font-size:14px}.home-top{padding-top:20px}.section{padding:44px 0}.section-head{align-items:start;flex-direction:column}.section-head h2{font-size:clamp(24px,7vw,28px)}.quick-grid,.editorial-grid,.time-board,.feature-articles,.question-list,.topic-list,.guide-grid,.info-grid,.index-wall{grid-template-columns:1fr}.route-line{grid-template-columns:repeat(2,1fr)}.interest-wall{grid-template-columns:repeat(2,1fr)}.feature-copy h3{font-size:24px}.story-side{grid-template-columns:1fr}.album-grid{grid-template-columns:1fr 1fr;grid-auto-rows:150px}.media-slot:nth-child(1){grid-column:1/-1;grid-row:span 2}.pulse-row{grid-template-columns:1fr;gap:5px}.mega-menu{inset:0;top:0;transform:translateY(-10px);width:100%;max-height:none;height:100%;border-radius:0;padding:18px 18px 84px}.mega-menu.is-open{transform:translateY(0)}.mega-grid{grid-template-columns:1fr 1fr}.search-panel{padding:14px}.search-card{padding:22px}.footer-links{grid-template-columns:1fr 1fr}.footer-bottom{flex-direction:column}.app-preview-image{min-height:320px}.app-preview-image img{max-width:320px}.city-feature-image{aspect-ratio:4/3}}@media(max-width:560px){:root{--shell:calc(100% - 22px)}.mobile-nav{height:60px}.quick-grid{grid-template-columns:1fr}.quick-grid a{min-height:88px}.hero-banner-copy{position:absolute}.route-line{grid-template-columns:1fr}.interest-wall{grid-template-columns:1fr 1fr}.story-card,.question-item,.guide-card,.topic-card,.info-card{padding:19px}.album-grid{grid-auto-rows:128px}.mega-grid{grid-template-columns:1fr}.mega-grid section{padding:15px}.search-form>div{grid-template-columns:1fr}.search-form button{height:46px}.footer-links{grid-template-columns:1fr 1fr;gap:16px}.contact-flow{grid-template-columns:1fr}}