:root{--bg:#07111f;--surface:#0e1b2d;--text:#0b1728;--muted:#637083;--line:#dce3eb;--blue:#2167f2;--cyan:#23d5c5;--white:#fff;--radius:22px;--shadow:0 24px 70px rgba(6,20,44,.13)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Inter,"PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;color:var(--text);background:#f7f9fc;line-height:1.65}a{color:inherit;text-decoration:none}button,a{-webkit-tap-highlight-color:transparent}.container{width:min(1140px,calc(100% - 40px));margin:auto}.skip-link{position:absolute;left:-999px;top:10px;background:#fff;padding:10px;z-index:99}.skip-link:focus{left:10px}.site-header{height:76px;background:rgba(7,17,31,.9);color:#fff;position:sticky;top:0;z-index:20;backdrop-filter:blur(14px);border-bottom:1px solid rgba(255,255,255,.08)}.nav-wrap{height:100%;display:flex;align-items:center;justify-content:space-between}.brand{display:inline-flex;align-items:center;gap:10px;font-weight:800;font-size:19px}.brand-mark{display:grid;place-items:center;width:34px;height:34px;border-radius:11px;background:linear-gradient(135deg,var(--cyan),var(--blue));color:#fff;font-weight:900;box-shadow:0 8px 24px 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rgba(255,255,255,.12);border-radius:26px;box-shadow:0 40px 90px rgba(0,0,0,.32);padding:18px}.window-bar{display:flex;gap:7px;color:#8494ab;font-size:11px;align-items:center}.window-bar i{width:7px;height:7px;border-radius:50%;background:#31445e}.window-bar span{margin-left:auto}.status-orbit{height:300px;display:grid;place-items:center;position:relative;overflow:hidden}.orbit{position:absolute;border:1px solid rgba(77,153,255,.2);border-radius:50%}.orbit-a{width:230px;height:230px}.orbit-b{width:160px;height:160px;border-color:rgba(35,213,197,.3)}.status-core{text-align:center;position:relative;z-index:2;width:130px;height:130px;border-radius:50%;display:flex;flex-direction:column;justify-content:center;background:radial-gradient(circle at 40% 30%,#244d73,#10243b);box-shadow:0 0 50px rgba(35,213,197,.2)}.status-core strong{font-size:17px}.status-core small{color:#7f91aa}.pulse{width:9px;height:9px;border-radius:50%;background:var(--cyan);margin:0 auto 9px;box-shadow:0 0 0 8px rgba(35,213,197,.1)}.mini-stats{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid rgba(255,255,255,.08);padding-top:18px}.mini-stats div{padding:0 11px;border-right:1px solid rgba(255,255,255,.08)}.mini-stats div:last-child{border:0}.mini-stats span,.mini-stats strong{display:block}.mini-stats span{font-size:10px;color:#788aa3}.mini-stats strong{font-size:13px;margin-top:3px}.trust-strip{background:#fff;border-bottom:1px solid #e7ebf0}.trust-content{min-height:88px;display:flex;align-items:center;justify-content:space-between;color:#8993a1;font-size:13px}.platforms{display:flex;gap:44px;color:#657185}.platforms b{font-size:14px}.section{padding:104px 0}.section-heading{text-align:center;max-width:690px;margin:0 auto 52px}.section-heading .eyebrow{justify-content:center}.section-heading h2{font-size:clamp(34px,4vw,48px);line-height:1.18;letter-spacing:-.035em;margin:13px 0 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.eyebrow{justify-content:flex-start}.align-left .button{margin-top:26px}.step-list{list-style:none;padding:0;margin:0}.step-list li{display:grid;grid-template-columns:72px 1fr;gap:22px;padding:25px 0;border-bottom:1px solid var(--line)}.step-list>li>span{font-size:26px;font-weight:850;color:#b5bfcc}.step-list h3{margin:0 0 4px;font-size:18px}.step-list p{color:var(--muted);margin:0}.faq-wrap{max-width:850px}.faq-list{border-top:1px solid var(--line)}details{border-bottom:1px solid var(--line);padding:0 5px}summary{list-style:none;cursor:pointer;font-weight:750;font-size:17px;padding:23px 0;display:flex;justify-content:space-between;gap:20px}summary::-webkit-details-marker{display:none}summary span{font-size:24px;color:var(--blue);transition:.2s}details[open] summary span{transform:rotate(45deg)}details p{color:var(--muted);margin:-7px 45px 23px 0}.cta-section{padding:0 0 104px}.cta-card{background:linear-gradient(115deg,#0c1b30,#12375a);color:#fff;border-radius:28px;padding:56px 64px;display:flex;justify-content:space-between;align-items:center;gap:40px;box-shadow:var(--shadow)}.cta-card h2{font-size:36px;margin:8px 0}.cta-card p{color:#aebcd0;margin:0}.eyebrow.light{color:var(--cyan)}.button-light{background:#fff;color:#0d1d31;white-space:nowrap}footer{background:#050c16;color:#a3afc0;padding:62px 0 22px}.footer-grid{display:flex;justify-content:space-between;align-items:flex-start}.footer-grid .brand{color:#fff}.footer-grid p{font-size:13px}.footer-links{display:flex;gap:26px;font-size:13px}.footer-bottom{display:flex;justify-content:space-between;border-top:1px solid #1b2635;margin-top:45px;padding-top:20px;font-size:11px;color:#69778b}.noscript{position:fixed;bottom:0;left:0;right:0;background:#fff3cd;color:#624d00;padding:10px;text-align:center;z-index:100}
@media(max-width:900px){nav{display:none}.hero{padding:76px 0}.hero-grid,.steps-grid{grid-template-columns:1fr;gap:55px}.hero-copy{text-align:center}.hero .eyebrow,.hero-actions{justify-content:center}.hero-text{margin-left:auto;margin-right:auto}.dashboard-card{max-width:590px;margin:auto;width:100%}.feature-grid{grid-template-columns:1fr}.feature-card.featured{transform:none}.steps-grid{gap:38px}.cta-card{padding:44px;align-items:flex-start;flex-direction:column}.platforms{gap:22px}.footer-grid{gap:35px;flex-direction:column}.footer-links{flex-wrap:wrap}}
@media(max-width:600px){.container{width:min(100% - 28px,1140px)}.site-header{height:68px}.button-small{display:none}.hero h1{font-size:44px}.hero-text{font-size:16px}.hero-actions{flex-direction:column;gap:17px}.button-primary{width:100%}.dashboard-card{padding:14px}.status-orbit{height:250px}.mini-stats{grid-template-columns:1fr}.mini-stats div{display:flex;justify-content:space-between;border:0;border-bottom:1px solid rgba(255,255,255,.08);padding:10px}.trust-content{align-items:flex-start;gap:18px;flex-direction:column;padding:22px 0}.platforms{display:grid;grid-template-columns:1fr 1fr;width:100%}.section{padding:76px 0}.section-heading{margin-bottom:38px}.feature-card{padding:29px 26px}.step-list li{grid-template-columns:54px 1fr}.cta-section{padding-bottom:76px}.cta-card{padding:34px 25px}.cta-card h2{font-size:30px}.button-light{width:100%}.footer-links{display:grid;grid-template-columns:1fr 1fr;width:100%}.footer-bottom{gap:12px;flex-direction:column}.footer-grid{gap:28px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}

/* Rich content and article hub */
.hero-proof{display:flex;gap:22px;margin-top:28px;padding-top:22px;border-top:1px solid rgba(255,255,255,.08);color:#9cafc7;font-size:12px}.hero-proof span{display:flex;align-items:center;gap:7px}.hero-proof b{color:var(--cyan);font-size:10px}.guides-section{background:#eef3f9}.guide-heading{max-width:none;display:grid;grid-template-columns:1fr .8fr;text-align:left;gap:80px;align-items:end}.guide-heading .eyebrow{justify-content:flex-start}.guide-heading h2{margin-bottom:0}.guide-heading>div:last-child p{color:var(--muted);margin:0 0 14px}.dark-link{color:var(--blue);border-color:#8baef5}.article-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.article-card{background:#fff;border:1px solid #dfe6ef;border-radius:18px;padding:28px;min-height:245px;display:flex;flex-direction:column;box-shadow:0 12px 30px rgba(18,38,70,.04);transition:.22s}.article-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}.article-card>span{font-size:11px;color:var(--blue);font-weight:800;letter-spacing:.08em}.article-card h3{font-size:20px;line-height:1.45;margin:15px 0 10px}.article-card p{color:var(--muted);font-size:14px;margin:0 0 24px}.article-card>a{margin-top:auto;color:var(--blue);font-size:13px;font-weight:750}.article-card-all{background:linear-gradient(145deg,#0d2036,#102d4a);color:#fff;border-color:#102d4a}.article-card-all p{color:#aab9cd}.article-card-all>a{color:var(--cyan)}
@media(max-width:900px){.article-grid{grid-template-columns:1fr 1fr}.guide-heading{grid-template-columns:1fr;gap:15px}}
@media(max-width:600px){.hero-proof{display:grid;grid-template-columns:1fr 1fr;text-align:left}.article-grid{grid-template-columns:1fr}.article-card{min-height:0}}
.feature-card{display:block;cursor:pointer}.feature-card:focus-visible{outline:3px solid var(--blue);outline-offset:4px}

/* One Yuan Airport identity: terminal signage and boarding-pass visual */
.hero{background:#f2eadc;color:#17202c;padding:88px 0 84px;border-bottom:1px solid #d9cebb}.hero:before{content:"YIYUAN  /  DEPARTURES  /  01";position:absolute;left:max(20px,calc((100% - 1140px)/2));top:24px;color:#a39785;font:700 10px/1 monospace;letter-spacing:.22em}.terminal-grid{position:absolute;inset:0;background-image:linear-gradient(rgba(31,44,58,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(31,44,58,.045) 1px,transparent 1px);background-size:48px 48px;mask-image:linear-gradient(to right,#000,transparent 85%)}.route-line{position:absolute;width:360px;height:170px;right:3%;top:18%;border-top:1px dashed rgba(40,58,73,.25);border-radius:50%;transform:rotate(-10deg)}.route-line span{position:absolute;width:7px;height:7px;border-radius:50%;background:#e85d34;left:2px;top:-4px}.route-line i{position:absolute;right:12px;top:-15px;font-style:normal;color:#e85d34;font-size:21px;transform:rotate(10deg)}.hero-grid{grid-template-columns:1fr 1fr;gap:82px}.hero .eyebrow{color:#c94c2c}.hero h1{font-family:"Arial Black","Microsoft YaHei",sans-serif;font-size:clamp(50px,6vw,74px);color:#17202c;letter-spacing:-.055em}.hero h1 em{background:none;color:#e6532f}.hero-text{color:#526071;max-width:580px}.hero .text-link{color:#293746;border-color:#83909c}.hero .microcopy{color:#82796b}.hero-proof{border-top:1px solid #d2c6b5;color:#596574}.hero-proof b{color:#e6532f}.hero-glow{display:none}.button-primary{background:#e6532f;box-shadow:5px 5px 0 #17202c;border-radius:4px}.button-primary:hover{box-shadow:2px 2px 0 #17202c;transform:translate(3px,3px)}.boarding-pass{position:relative;background:#fffaf0;border:1px solid #c8baa4;border-radius:12px;box-shadow:12px 14px 0 rgba(26,38,51,.12);overflow:hidden;transform:rotate(1.2deg)}.ticket-top{height:50px;padding:0 25px;display:flex;align-items:center;justify-content:space-between;background:#1c2b39;color:#fff;font-size:12px;letter-spacing:.1em}.ticket-top b{color:#f2b544;font-size:10px}.ticket-main{display:grid;grid-template-columns:1fr 1.1fr 1fr;align-items:center;padding:39px 30px 31px}.airport-code small,.ticket-info small{display:block;color:#8b8174;font:700 9px/1.4 monospace;letter-spacing:.16em}.airport-code strong{display:block;font:900 48px/1 "Arial Black",sans-serif;color:#17202c;letter-spacing:-.05em}.airport-code span{font-size:11px;color:#6d665c}.airport-code.right{text-align:right}.flight-path{display:grid;grid-template-columns:1fr auto 1fr;align-items:center;position:relative;color:#e6532f}.flight-path i{border-top:1px dashed #b6aa98}.flight-path span{font-size:22px;padding:0 8px}.flight-path small{position:absolute;top:29px;width:100%;text-align:center;color:#8b8174;font-size:10px}.ticket-info{border-top:1px dashed #c9bcaa;border-bottom:1px dashed #c9bcaa;display:grid;grid-template-columns:repeat(3,1fr);padding:18px 30px}.ticket-info div{border-right:1px solid #ded4c5;padding-left:18px}.ticket-info div:first-child{padding-left:0}.ticket-info div:last-child{border:0}.ticket-info strong{font-size:13px;color:#263647}.ticket-bottom{display:flex;align-items:center;gap:15px;padding:20px 30px;color:#736a5e;font:700 9px/1 monospace;letter-spacing:.12em}.ticket-bottom b{margin-left:auto}.barcode{height:30px;width:130px;background:repeating-linear-gradient(90deg,#1b2733 0 2px,transparent 2px 4px,#1b2733 4px 5px,transparent 5px 8px)}.ticket-stub{position:absolute;right:0;top:50px;bottom:0;width:0;border-left:1px dashed #c9bcaa;display:none}.trust-strip{background:#1c2b39;border:0;color:#fff}.trust-content{color:#aab6bf}.platforms{color:#fff}.feature-card{border-radius:8px;border-color:#d7dce1;box-shadow:5px 5px 0 #dfe4e8}.feature-card:hover{box-shadow:8px 8px 0 #ccd3d9}.feature-card.featured{background:#1c2b39;border-color:#1c2b39}.feature-card .icon{border-radius:4px;background:#f5e6d5;color:#e6532f;font:800 13px/1 monospace}.featured .icon{background:#e6532f;color:#fff}.section-heading h2{font-family:"Arial Black","Microsoft YaHei",sans-serif}.guides-section{background:#e9e3d9}.article-card{border-radius:8px}.cta-card{background:#1c2b39;border-radius:8px;box-shadow:8px 8px 0 #e3b247}.button-light{border-radius:4px;color:#1c2b39}
@media(max-width:900px){.hero-grid{grid-template-columns:1fr}.boarding-pass{max-width:620px;margin:auto}.route-line{display:none}}
@media(max-width:600px){.hero{padding-top:70px}.hero h1{font-size:45px}.hero-copy{text-align:left}.hero .eyebrow,.hero-actions{justify-content:flex-start}.hero-actions{align-items:stretch}.hero-proof{grid-template-columns:1fr}.ticket-main{padding:30px 18px}.airport-code strong{font-size:34px}.ticket-info,.ticket-bottom{padding-left:18px;padding-right:18px}.barcode{width:70px}.ticket-bottom>span{display:none}}

/* Compact departure-fare board */
.plan-board{background:#1c2b39;color:#fff;padding:30px 0 32px;border-top:1px solid #344453;border-bottom:5px solid #e3b247;scroll-margin-top:75px}.plan-board-head{display:flex;align-items:end;justify-content:space-between;margin-bottom:18px}.plan-board-head span{font:700 9px/1 monospace;color:#e3b247;letter-spacing:.18em}.plan-board-head h2{font:800 22px/1.2 "Microsoft YaHei",sans-serif;margin:7px 0 0}.plan-board-head p{color:#8f9ba7;font-size:11px;margin:0}.plan-row{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}.plan-item{position:relative;display:grid;grid-template-columns:35px 1fr auto 24px;align-items:center;gap:12px;background:#f8f3e9;color:#1c2b39;border:1px solid #c9beac;padding:17px 16px;transition:.18s;box-shadow:3px 3px 0 rgba(0,0,0,.2)}.plan-item:hover{background:#fff;transform:translateY(-2px);box-shadow:5px 5px 0 rgba(0,0,0,.25)}.plan-item:focus-visible{outline:3px solid #e3b247;outline-offset:3px}.plan-no{font:800 13px/1 monospace;color:#e6532f;border-right:1px dashed #bcb09e;height:100%;display:flex;align-items:center}.plan-name small,.plan-price small{display:block;color:#897e6f;font:700 8px/1.2 monospace;letter-spacing:.08em}.plan-name strong{display:block;font:900 21px/1.15 "Arial Black",sans-serif;margin:4px 0 1px}.plan-name span,.plan-price span{font-size:9px;color:#7a7063}.plan-price{text-align:right;border-left:1px solid #ded5c8;padding-left:13px}.plan-price strong{display:block;font:900 27px/1.1 "Arial Black",sans-serif;color:#e6532f;margin:2px 0}.plan-price strong i{font-size:12px;font-style:normal;vertical-align:top;margin-right:2px}.plan-arrow{font-size:18px;color:#e6532f}.plan-popular{background:#fff5dc;border-color:#e3b247}.plan-badge{position:absolute;right:7px;top:-10px;background:#e6532f;color:#fff;padding:3px 8px;font-size:9px;font-weight:800}.plan-note{font-size:10px;color:#7f8b97;margin:13px 0 0;text-align:right}@media(max-width:950px){.plan-row{grid-template-columns:1fr}.plan-item{grid-template-columns:35px 1fr auto 24px}.plan-board-head p{max-width:260px;text-align:right}}@media(max-width:600px){.plan-board{padding-top:24px}.plan-board-head{display:block}.plan-board-head p{margin-top:8px;text-align:left}.plan-item{grid-template-columns:30px 1fr auto 18px;padding:15px 12px;gap:8px}.plan-name strong{font-size:18px}.plan-price strong{font-size:23px}.plan-note{text-align:left;line-height:1.6}}

/* Pricing prominence */
.plan-board{padding:54px 0 50px;border-bottom-width:7px}.plan-board-head{margin-bottom:28px;align-items:center}.plan-board-head span{font-size:12px}.plan-board-head h2{font-size:34px;margin-top:10px;letter-spacing:-.03em}.plan-board-head p{font-size:14px;color:#b4bec8;max-width:440px;line-height:1.65}.plan-row{gap:18px}.plan-item{min-height:150px;grid-template-columns:48px 1fr auto 30px;gap:18px;padding:27px 24px;border-width:2px;box-shadow:6px 6px 0 rgba(0,0,0,.25)}.plan-item:hover{transform:translateY(-5px);box-shadow:9px 11px 0 rgba(0,0,0,.28)}.plan-no{font-size:18px}.plan-name small,.plan-price small{font-size:11px;line-height:1.4}.plan-name strong{font-size:32px;margin:7px 0 5px}.plan-name span,.plan-price span{font-size:12px}.plan-price{min-width:105px;padding-left:18px}.plan-price strong{font-size:42px;margin:5px 0}.plan-price strong i{font-size:18px}.plan-arrow{font-size:27px}.plan-popular{border:3px solid #e3b247;transform:translateY(-5px);box-shadow:7px 10px 0 rgba(227,178,71,.22)}.plan-popular:hover{transform:translateY(-9px)}.plan-badge{right:14px;top:-16px;padding:7px 14px;font-size:12px;letter-spacing:.08em;box-shadow:3px 3px 0 rgba(0,0,0,.24)}.plan-note{font-size:12px;margin-top:24px;color:#a2adb7;line-height:1.6}@media(max-width:950px){.plan-board{padding:44px 0}.plan-board-head{align-items:flex-end}.plan-item{min-height:130px}.plan-popular{transform:none}.plan-popular:hover{transform:translateY(-4px)}}@media(max-width:600px){.plan-board{padding:36px 0 38px}.plan-board-head h2{font-size:28px}.plan-board-head p{font-size:13px}.plan-row{gap:15px}.plan-item{min-height:125px;grid-template-columns:34px 1fr auto 20px;padding:22px 15px;gap:10px}.plan-no{font-size:15px}.plan-name small,.plan-price small{font-size:9px}.plan-name strong{font-size:25px}.plan-name span,.plan-price span{font-size:10px}.plan-price{min-width:82px;padding-left:10px}.plan-price strong{font-size:32px}.plan-price strong i{font-size:14px}.plan-arrow{font-size:21px}.plan-badge{right:10px;top:-12px;padding:5px 10px;font-size:10px}.plan-note{font-size:11px;margin-top:18px}}