@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;700&family=Noto+Sans+TC:wght@400;500;700&family=Noto+Serif+TC:wght@400;600&display=swap');
:root{
--blue-950:#020F1C;--blue-900:#031C33;--blue-800:#062B4C;--blue-700:#0B3A63;--blue-600:#154A7A;--blue-500:#2E6293;--blue-400:#6088AC;--blue-300:#9CB4C9;--blue-200:#C9D6E3;--blue-100:#E7EDF3;
--lavender-300:#B7BCF0;--lavender-200:#C7CBF5;--lavender-100:#DDE0FF;--lavender-50:#EEEFFF;
--gray-950:#10141C;--gray-900:#161B26;--gray-800:#232937;--gray-700:#333B4D;--gray-600:#4A5468;--gray-500:#697488;--gray-400:#8E97A8;--gray-300:#BAC1CD;--gray-200:#DBDFE6;--gray-100:#EEF0F4;--gray-50:#F4F5F7;--white:#FFFFFF;
--brand-primary:var(--blue-800);--brand-primary-hover:var(--blue-700);--brand-primary-active:var(--blue-900);
--brand-secondary:var(--blue-600);--brand-secondary-hover:var(--blue-700);
--text-primary:var(--gray-900);--text-secondary:var(--gray-600);--text-tertiary:var(--gray-400);--text-on-brand:var(--white);--text-link:var(--blue-800);--text-link-hover:var(--blue-900);
--surface-page:var(--white);--surface-sunken:var(--gray-50);--surface-brand:var(--blue-800);--surface-brand-tint:var(--blue-100);
--border-default:var(--gray-200);--border-strong:var(--gray-300);
--font-sans:'Noto Sans TC',sans-serif;--font-serif:'Noto Serif TC',serif;--font-accent:'DM Sans',sans-serif;
--fs-display-xl:clamp(52px,7vw,96px);--fs-display-l:clamp(40px,5.5vw,68px);--fs-display-m:clamp(30px,3.6vw,44px);--fs-heading-m:22px;
--fs-body-l:18px;--fs-body-m:16px;--fs-body-s:14px;
--lh-tight:0.98;--lh-normal:1.5;--lh-relaxed:1.75;
--ls-wide:0.12em;
--container-max:1200px;--container-padding:24px;
--radius-s:2px;--shadow-l:0 16px 40px rgba(6,43,76,0.10);
--ease-standard:cubic-bezier(.4,0,.2,1);--duration-fast:120ms;
}
*{box-sizing:border-box}
body{margin:0;font-family:var(--font-sans);color:var(--text-primary);background:var(--surface-page);-webkit-font-smoothing:antialiased}
a{color:var(--text-link);text-decoration:none}
a:hover{color:var(--text-link-hover)}
img{max-width:100%}
.wrap{max-width:var(--container-max);margin:0 auto;padding:0 var(--container-padding)}
.serif{font-family:var(--font-serif);font-weight:600;line-height:var(--lh-tight);color:var(--text-primary)}
.db{display:block}
.num{font-family:var(--font-accent)}
.eyebrow{font-size:11.5px;letter-spacing:var(--ls-wide);text-transform:uppercase;font-weight:500;color:var(--brand-primary);margin-bottom:18px}
.eyebrow-dark{color:var(--blue-300)}
.body-lead{font-size:15px;line-height:var(--lh-relaxed);color:var(--text-secondary);margin:0 0 28px;max-width:420px}
.body-sm{font-size:14px;line-height:var(--lh-relaxed);color:var(--text-secondary);margin:0;max-width:440px}
.mb18{margin-bottom:18px}
.section{padding:110px var(--container-padding) 0}
.hr{border-top:1px solid var(--border-default)}
/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;white-space:nowrap;font-family:var(--font-sans);font-weight:600;border-radius:var(--radius-s);cursor:pointer;border:1px solid transparent;transition:background var(--duration-fast) var(--ease-standard),transform var(--duration-fast) var(--ease-standard)}
.btn:hover{transform:translateY(-1px)}
.btn-m{padding:10px 20px;font-size:var(--fs-body-m)}
.btn-l{padding:14px 28px;font-size:var(--fs-body-l)}
.btn-s{padding:6px 14px;font-size:var(--fs-body-s)}
.btn-primary{background:var(--brand-primary);color:#fff}
.btn-primary:hover{background:var(--brand-primary-hover)}
.btn-secondary{background:var(--brand-secondary);color:#fff}
.btn-secondary:hover{background:var(--brand-secondary-hover)}
.arrow-link{font-size:13px;color:var(--text-primary);border:none;border-bottom:1px solid var(--text-primary);padding-bottom:2px;background:none;cursor:pointer;font-family:var(--font-sans);display:inline-block}
/* header/footer */
.site-header{position:sticky;top:0;z-index:20;background:#fff;border-bottom:1px solid var(--border-default)}
.header-row{padding:26px var(--container-padding);display:flex;align-items:center;justify-content:space-between;gap:40px}
.logo-link{display:flex;align-items:center;flex-shrink:0}
.logo-img{height:36px;display:block}
.site-nav{display:flex;gap:32px;min-width:0;flex-wrap:wrap}
.nav-link{font-size:15px;font-weight:400;letter-spacing:0.02em;color:var(--text-secondary);white-space:nowrap;padding-bottom:6px;border-bottom:1px solid transparent}
.nav-active{font-weight:600;color:var(--brand-primary);border-bottom:1px solid var(--brand-primary)}
.site-footer{padding:56px var(--container-padding) 40px;border-top:1px solid var(--border-default);margin-top:24px}
.footer-row{display:flex;justify-content:space-between;gap:32px;flex-wrap:wrap;align-items:flex-end}
.footer-logo{height:30px;display:block;margin-bottom:12px}
.footer-desc{font-size:12.5px;color:var(--text-tertiary);line-height:var(--lh-relaxed)}
.footer-links{display:flex;gap:16px;font-size:11.5px;letter-spacing:0.04em;color:var(--text-tertiary);flex-wrap:wrap}
.footer-links a{color:inherit}
/* grid helpers */
.grid-2{display:grid;gap:56px;align-items:center}
.g-45-55{grid-template-columns:0.45fr 0.55fr}
.g-55-45{grid-template-columns:0.55fr 0.45fr}
.g-42-58{grid-template-columns:0.42fr 0.58fr}
.g-32-68{grid-template-columns:0.32fr 0.68fr;gap:40px}
.g-40-60{grid-template-columns:0.4fr 0.6fr;gap:40px}
.align-start{align-items:start}
.align-center{align-items:center}
/* page hero */
.page-hero{padding:130px var(--container-padding) 0}
.hero-img{width:100%;height:460px;object-fit:cover;display:block}
.hero-cta-row{display:flex;gap:20px;align-items:center}
.split-img{width:100%;height:440px;object-fit:cover;display:block}
/* home hero */
.home-hero{position:relative;width:100%;height:86vh;min-height:560px;overflow:hidden;color:#fff;background-image:url('assets/photos-opt/office-tower-facade.webp');background-size:cover;background-position:center}
.home-hero-video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:0;opacity:0;transition:opacity 500ms ease}
.home-hero-overlay{position:absolute;inset:0;background:linear-gradient(180deg,rgba(6,43,76,0.35) 0%,rgba(6,43,76,0.6) 100%);z-index:1}
.home-hero-content{position:relative;z-index:2;height:100%;display:flex;flex-direction:column;justify-content:center}
.home-price-badge{position:absolute;bottom:32px;right:32px;width:128px;height:128px;border-radius:50%;background:#fff;color:var(--brand-primary);display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;z-index:2;box-shadow:var(--shadow-l)}
.home-price-sub{font-size:10px;color:var(--text-tertiary);margin-top:4px}
/* home image pair */
.hip-head{display:grid;grid-template-columns:0.4fr 0.6fr;gap:40px;align-items:end;margin-bottom:48px}
.hip-desc{font-size:14px;color:var(--text-secondary);line-height:var(--lh-relaxed);max-width:460px;justify-self:end;margin:0}
.hip-grid{display:grid;grid-template-columns:7fr 5fr;gap:24px}
.hip-card{position:relative;display:block;color:inherit}
.hip-card img{width:100%;height:440px;object-fit:cover;display:block}
.hip-cap{position:absolute;bottom:0;left:0;padding:20px 24px;color:#fff}
.hip-cap-title{font-size:16px;font-weight:500}
.hip-cap-sub{font-size:11.5px;color:rgba(255,255,255,0.75);margin-top:2px}
/* module grid (mg) */
.mg-cols{display:grid;gap:16px}
.mg-item{border:1px solid var(--border-default);padding:28px 22px;min-height:200px;display:flex;flex-direction:column;justify-content:space-between}
.mg-dark{background:var(--surface-brand);border:none;color:#fff}
.mg-num{font-size:26px;color:var(--text-tertiary)}
.mg-dark .mg-num{color:var(--blue-300)}
.mg-text{font-size:15px;font-weight:500;line-height:var(--lh-relaxed)}
/* fact grid */
.fact-grid{padding:100px var(--container-padding) 64px}
.fg-cols{display:grid}
.fg-item{padding:0 24px 0 0;margin-right:24px}
.fg-border{border-right:1px solid var(--border-default)}
.fg-val{font-size:20px;font-weight:600}
/* editorial list (el) */
.el-head{margin-bottom:40px}
.el-row{display:grid;gap:24px;align-items:baseline;padding:26px 0;border-top:1px solid var(--border-default)}
.el-num{font-size:16px;font-weight:600;color:var(--brand-primary)}
.el-title{font-size:var(--fs-heading-m);font-weight:600}
.el-body{font-size:14.5px;color:var(--text-secondary);line-height:var(--lh-relaxed)}
/* home pricing */
.hp-img{width:100%;height:460px;object-fit:cover;display:block}
.hp-row{padding:16px 0;border-top:1px solid var(--border-default)}
.hp-row-title{font-size:15px;font-weight:500}
.hp-row-sub{font-size:12.5px;color:var(--text-secondary);margin-top:4px}
.hp-cta{border-top:1px solid var(--border-default);padding-top:24px}
/* comparison */
.cmp-head{margin-bottom:48px}
.cmp-grid{display:grid;grid-template-columns:1fr 1fr;gap:56px}
.cmp-col{background:var(--surface-brand-tint);padding:28px}
.cmp-border{border-left:1px solid var(--border-strong)}
.cmp-label{font-size:var(--fs-heading-m);font-weight:600;margin-bottom:16px;color:var(--text-primary)}
.cmp-point{font-size:14px;color:var(--text-secondary);padding:10px 0;border-top:1px solid var(--border-strong)}
/* link list */
.ll-head{margin-bottom:32px}
.ll-row{display:flex;gap:24px;align-items:baseline;padding:22px 0;border-top:1px solid var(--border-default)}
.ll-link{color:inherit}
.ll-label{font-size:16px}
.ll-plain{font-size:15px;color:var(--text-secondary)}
/* cta */
.cta-section{background:var(--surface-brand);color:#fff;padding:100px var(--container-padding)}
.cta-row{display:flex;justify-content:space-between;align-items:center;gap:32px;flex-wrap:wrap}
.cta-text{color:#fff}
.cta-sub{font-size:14px;color:var(--blue-200);margin:0;max-width:440px}
/* process flow */
.pf-head{margin-bottom:48px}
.pf-row{display:flex;align-items:stretch}
.pf-step{flex:1;border:1px solid var(--border-default);padding:26px 20px;display:flex;flex-direction:column;gap:14px;min-height:140px}
.pf-num{font-size:22px;color:var(--brand-primary)}
.pf-text{font-size:14px;line-height:var(--lh-relaxed);color:var(--text-primary)}
.pf-arrow{width:40px;flex-shrink:0;display:flex;align-items:center;justify-content:center;font-size:18px;color:var(--brand-primary)}
/* image text grid */
.itg-head{margin-bottom:40px}
.itg-grid{display:grid;gap:24px}
.itg-img{width:100%;height:200px;object-fit:cover;display:block;margin-bottom:16px}
.itg-num{font-size:14px;font-weight:600;color:var(--brand-primary)}
.itg-label{font-size:16px;font-weight:600;margin-top:4px}
/* faq */
.faq-item{border-top:1px solid var(--border-default)}
.faq-q{width:100%;display:flex;justify-content:space-between;align-items:center;gap:24px;padding:22px 0;background:none;border:none;cursor:pointer;text-align:left;font-family:var(--font-sans)}
.faq-q span:first-child{font-size:15px;font-weight:500;color:var(--text-primary)}
.faq-icon{font-size:18px;color:var(--brand-primary);flex-shrink:0}
.faq-a{font-size:14px;line-height:var(--lh-relaxed);color:var(--text-secondary);margin:0 0 22px;max-width:640px}
/* seat plan */
.sp-desc{margin-bottom:24px}
.sp-rooms{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.sp-room{border:1px solid var(--border-default);padding:14px 16px}
.sp-room-name{font-size:14.5px;font-weight:600;color:var(--text-primary)}
.sp-room-size{font-size:12.5px;color:var(--text-tertiary);margin-top:2px}
.sp-img{width:100%;height:420px;object-fit:contain;background:var(--surface-page);display:block;border:1px solid var(--border-strong)}
.sp-note{font-size:12px;color:var(--text-tertiary);margin-top:12px}
/* package tiers */
.pt-head{margin-bottom:40px}
.pt-grid{display:grid;gap:16px}
.pt-card{text-align:left;cursor:pointer;border:1px solid var(--border-default);display:flex;flex-direction:column;background:none;padding:0;font-family:var(--font-sans)}
.pt-active{border:2px solid var(--brand-primary)}
.pt-top{padding:22px;border-bottom:1px solid var(--border-default);display:flex;justify-content:space-between;align-items:flex-start;color:var(--text-primary)}
.pt-top-dark{background:var(--surface-brand);color:#fff}
.pt-tag{font-size:11px;letter-spacing:var(--ls-wide);text-transform:uppercase;opacity:0.75}
.pt-name{font-size:19px;font-weight:600;margin-top:6px}
.pt-dot{width:18px;height:18px;border-radius:50%;border:2px solid var(--brand-primary);flex-shrink:0;margin-top:4px;display:flex;align-items:center;justify-content:center}
.pt-dot-dark{border-color:#fff}
.pt-active .pt-dot::after{content:'';width:9px;height:9px;border-radius:50%;background:var(--brand-primary);display:block}
.pt-active .pt-dot-dark::after{background:#fff}
.pt-features{padding:22px;display:flex;flex-direction:column;gap:11px;flex:1}
.pt-feature{font-size:14.5px;color:var(--text-secondary);display:flex;gap:8px}
.pt-dash{color:var(--brand-primary);flex-shrink:0}
/* speed page */
.speed-row{padding:18px 0;border-top:1px solid var(--border-default);font-size:16px}
.speed-row-sub{font-size:14px;color:var(--text-secondary)}
/* virtual extra services */
.extra-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
.extra-item{border:1px solid var(--border-default);padding:16px 14px;min-height:96px;display:flex;flex-direction:column;justify-content:space-between}
.extra-num{font-size:12.5px;color:var(--text-tertiary)}
.extra-text{font-size:13.5px;font-weight:400;color:var(--text-secondary);line-height:var(--lh-normal)}
/* responsive */
@media (max-width:900px){
.grid-2,.g-32-68,.g-40-60,.hip-head,.cmp-grid{grid-template-columns:1fr!important;gap:32px}
.site-nav{gap:16px;font-size:13px}
.nav-link{font-size:13px}
.mg-cols,.fg-cols,.pt-grid{grid-template-columns:1fr!important}
.itg-grid{grid-template-columns:repeat(2,1fr)!important}
.extra-grid{grid-template-columns:repeat(2,1fr)!important}
.pf-row{flex-direction:column}
.pf-arrow{transform:rotate(90deg);padding:8px 0}
.hip-grid{grid-template-columns:1fr!important}
.home-hero-content{padding:0 16px}
.header-row{flex-wrap:wrap;gap:16px}
.cta-row{flex-direction:column;align-items:flex-start}
}