:root{--bt-ink:#101e2c;--bt-paper:#f5f0e7;--bt-gold:#d7b67b;--bt-muted:#5b666c}
.bt-season-nav{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;padding-top:28px;padding-bottom:28px;background:var(--bt-paper);color:var(--bt-ink)}
.bt-season-nav a{display:flex;justify-content:space-between;border-bottom:1px solid #c8bcaa;padding:10px 0;font-size:14px}.bt-season-nav span{color:#83612c}
.bt-future{padding:96px 0;background:#0a1826;color:#fff}.bt-section-heading{display:flex;gap:50px;justify-content:space-between;align-items:flex-end;margin-bottom:42px}.bt-section-heading h2{font-family:'Noto Serif SC',Georgia,serif;font-weight:400;font-size:clamp(32px,4vw,52px);line-height:1.35;margin:12px 0}.bt-section-heading>p{max-width:350px;color:#c2ced7;line-height:1.9}.bt-eyebrow{font-size:11px;letter-spacing:2px;color:var(--bt-gold);font-weight:600;text-transform:uppercase}.bt-plan-grid{display:grid;grid-template-columns:1fr 1fr;gap:28px}.bt-plan{position:relative;min-height:590px;overflow:hidden;display:flex;align-items:flex-end;background:#162a38}.bt-plan>img{position:absolute;width:100%;height:100%;inset:0;object-fit:cover;transition:transform .8s}.bt-plan:hover>img{transform:scale(1.035)}.bt-plan:after{content:'';position:absolute;inset:0;background:linear-gradient(0deg,rgba(3,13,24,.95),rgba(3,13,24,.2) 75%)}.bt-plan-copy{position:relative;z-index:1;padding:36px;width:100%}.bt-plan h3{font-family:'Noto Serif SC',Georgia,serif;font-size:clamp(27px,3vw,38px);font-weight:400;line-height:1.45;margin:18px 0}.bt-plan-copy>p:not(.bt-eyebrow){color:#e1e6e9;max-width:400px;line-height:1.8}.bt-plan-facts{display:flex;gap:15px;justify-content:space-between;flex-wrap:wrap;padding:20px 0;font-size:14px}.bt-plan-facts strong{color:#f2d6a1}.bt-line-link{display:flex;justify-content:space-between;padding:15px 0 8px;border-top:1px solid #9c947b;color:#fff;font-size:14px}.bt-fineprint{font-size:12px;color:#b8c6d0;margin-top:24px;line-height:1.8}.bt-home-enquire{display:block;border-top:1px solid #d5c8b7;padding-top:15px;margin-top:12px;color:#745020;font-size:13px}
.bt-editorial{background:#eae4d9;color:var(--bt-ink);padding:88px 0}.bt-editorial .bt-section-heading>p{color:var(--bt-muted)}.bt-editorial .bt-eyebrow{color:#765728}.bt-editorial-grid{display:grid;grid-template-columns:1fr 1fr;gap:36px}.bt-story-link{display:grid;grid-template-columns:42% 1fr;gap:24px;color:inherit;border-top:1px solid #b7ab98;padding-top:24px}.bt-story-link img{width:100%;height:210px;object-fit:cover}.bt-story-link h3{font:400 25px/1.5 'Noto Serif SC',Georgia,serif;margin:12px 0}.bt-story-link p{font-size:13px;line-height:1.8;color:#51606a}.bt-story-link span{font-size:12px;color:#755424}.bt-booking-steps{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;margin:25px 0;padding:26px;background:rgba(125,151,169,.10);border:1px solid rgba(125,151,169,.38);text-align:left}.bt-booking-steps>div{min-width:0}.bt-booking-steps b{color:#9d793d;display:block;font-size:12px;margin-bottom:10px}.bt-booking-steps strong{font-size:16px;display:block}.bt-booking-steps p{font-size:13px;line-height:1.7;opacity:.85;margin:8px 0 0}.bt-confirm-pay{border:1px solid rgba(150,130,95,.5);padding:18px 22px;margin-top:25px;text-align:left}.bt-confirm-pay summary{cursor:pointer;font-size:15px;font-weight:600}.bt-confirm-pay p{font-size:13px;line-height:1.8}.bt-confirm-pay a{display:inline-block;padding:12px 16px;margin:8px 8px 0 0;border:1px solid currentColor;border-radius:2px}.bt-confirm-primary{display:inline-block;padding:15px 24px;background:#d6b57e;color:#142333!important;font-size:14px;font-weight:600;margin:15px 0}.bt-booking-panel{max-width:1050px;margin:0 auto;text-align:left}.bt-booking-panel h3{font:400 30px/1.5 'Noto Serif SC',Georgia,serif}.bt-booking-panel>p{line-height:1.9;max-width:760px}.bt-booking-panel .bt-price{font-size:26px;font-family:Georgia,serif}.bt-booking-panel small{font-size:13px;display:block;line-height:1.8}.bt-booking-panel .bt-consultants{font-size:13px;margin:18px 0}
.bt-guide-page{background:var(--bt-paper);color:var(--bt-ink)}.bt-guide-hero{min-height:670px;position:relative;display:flex;align-items:flex-end;padding:180px max(6vw,24px) 70px;background:#142b3b;color:#fff;overflow:hidden}.bt-guide-hero>img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}.bt-guide-hero:after{content:'';position:absolute;inset:0;background:linear-gradient(0deg,rgba(5,17,30,.95),rgba(5,17,30,.18))}.bt-guide-hero>div{position:relative;z-index:1;max-width:1000px}.bt-guide-hero h1{font:400 clamp(36px,5vw,70px)/1.25 'Noto Serif SC',Georgia,serif;max-width:950px;margin:20px 0}.bt-guide-hero p{font-size:16px;line-height:1.9;max-width:670px;color:#e0e6eb}.bt-guide-hero small{display:block;font-size:12px;color:#d7c5a6;margin-top:20px}.bt-guide-body{max-width:1100px;margin:auto;padding:60px 30px 90px}.bt-guide-lead{font:400 24px/1.9 'Noto Serif SC',Georgia,serif;max-width:850px;margin:0 0 45px}.bt-guide-toc{display:flex;flex-wrap:wrap;gap:10px 25px;border-block:1px solid #cabca6;padding:20px 0;margin-bottom:55px;font-size:14px}.bt-guide-toc a{color:#71532b}.bt-guide-section{margin:60px 0;scroll-margin-top:100px}.bt-guide-section h2{font:400 clamp(27px,3vw,39px)/1.45 'Noto Serif SC',Georgia,serif;margin-bottom:26px}.bt-guide-section p,.bt-guide-section li{font-size:16px;line-height:1.95;margin-bottom:12px}.bt-compare-scroll{overflow-x:auto;border:1px solid #d2c4af}.bt-compare{border-collapse:collapse;width:100%;min-width:600px;font-size:15px;line-height:1.85}.bt-compare th,.bt-compare td{padding:22px;border:1px solid #d2c4af;text-align:left;vertical-align:top}.bt-compare thead{background:#102b40;color:#fff}.bt-compare th:first-child{width:18%}.bt-compare td{width:41%}.bt-compare td strong{display:block;margin-bottom:7px}.bt-guide-pair{display:grid;grid-template-columns:1fr 1fr;gap:30px;margin:40px 0}.bt-guide-pair article{border-top:1px solid #b8a68a;padding-top:24px}.bt-guide-pair img{width:100%;height:260px;object-fit:cover}.bt-guide-pair h3{font:400 26px/1.5 'Noto Serif SC',Georgia,serif;margin:22px 0 14px}.bt-note{padding:22px 26px;background:#e5dccb;border-left:3px solid #9b7a44;line-height:1.9;font-size:14px}.bt-guide-faq details{padding:21px 0;border-top:1px solid #c9baa2}.bt-guide-faq summary{cursor:pointer;font-size:17px;font-weight:600;line-height:1.7}.bt-guide-faq details p{margin:18px 0 0}.bt-guide-cta{background:#102b40;color:#fff;padding:40px;margin-top:50px}.bt-guide-cta h2{font:400 32px/1.5 'Noto Serif SC',Georgia,serif}.bt-guide-cta a{display:inline-block;background:#d6b57e;color:#132a3b;padding:15px 21px;margin:15px 10px 0 0;font-size:14px}.bt-guide-cta p{line-height:1.8;color:#d8e3ea}.bt-guide-source-links{font-size:13px;line-height:1.8;border-top:1px solid #ccbea7;padding-top:24px}.bt-guide-source-links a{color:#72542e;text-decoration:underline}
@media(max-width:760px){.bt-season-nav{grid-template-columns:1fr 1fr;gap:8px 24px;padding:18px 20px}.bt-future,.bt-editorial{padding:58px 0}.bt-section-heading{display:block;margin-bottom:30px}.bt-section-heading>p{margin-top:18px;max-width:none}.bt-plan-grid,.bt-editorial-grid,.bt-guide-pair{grid-template-columns:1fr}.bt-plan{min-height:530px}.bt-plan-copy{padding:26px}.bt-plan h3{font-size:30px}.bt-story-link{grid-template-columns:36% 1fr;gap:20px}.bt-story-link img{height:190px}.bt-story-link h3{font-size:22px}.bt-booking-steps{grid-template-columns:1fr;padding:23px;gap:20px}.bt-booking-steps>div+div{border-top:1px solid rgba(125,151,169,.3);padding-top:20px}.bt-guide-hero{min-height:620px;padding:150px 24px 45px}.bt-guide-hero h1{font-size:38px}.bt-guide-body{padding:40px 22px 70px}.bt-guide-lead{font-size:21px}.bt-guide-section{margin:40px 0}.bt-guide-cta{padding:28px 23px}.bt-guide-pair img{height:230px}.bt-guide-section p,.bt-guide-section li{font-size:15px}.bt-compare th,.bt-compare td{padding:16px}.bt-guide-toc{gap:15px 20px}.bt-fineprint{line-height:1.9}}
@media(prefers-reduced-motion:reduce){.bt-plan>img{transition:none}.bt-plan:hover>img{transform:none}}
@media print{.bt-season-nav,.bt-guide-toc{display:none}.bt-future,.bt-editorial,.bt-guide-page{background:white;color:#111}.bt-plan:after{display:none}.bt-plan{min-height:auto;color:#111}.bt-plan>img{position:static;width:30%;height:180px}.bt-plan-copy{color:#111}.bt-plan-copy p,.bt-fineprint{color:#333}.bt-guide-hero{min-height:300px}.bt-guide-hero>img{opacity:.3}.bt-guide-hero:after{display:none}.bt-guide-hero h1,.bt-guide-hero p{color:#111}.bt-guide-hero{background:white}.bt-compare{min-width:0}.bt-guide-cta{background:#eee;color:#111}}
.bt-future h2,.bt-future h3{color:#fff}.bt-future .bt-plan-copy{color:#fff}.bt-booking-steps{max-width:1050px;margin:25px auto}.bt-rebook h2{color:#101e2c;font:400 clamp(28px,4vw,42px)/1.5 Georgia,"Microsoft YaHei",serif}.bt-rebook .bt-booking-panel>div>p{line-height:1.9}.bt-rebook .bt-booking-steps strong{color:#172c3d}
.bt-table-hint{display:none}@media(max-width:760px){.bt-guide-section p.bt-table-hint{display:block;font-size:12px;color:#6c5636}}