.logo[data-astro-cid-tvrurpns]{display:inline-flex;align-items:center;gap:10px;color:var(--navy-950);font-size:16px;font-weight:760;letter-spacing:.15em}.logo[data-astro-cid-tvrurpns] svg[data-astro-cid-tvrurpns]{width:25px;height:25px;color:var(--navy-800)}.logo[data-astro-cid-tvrurpns].inverse{color:var(--white)}.logo[data-astro-cid-tvrurpns].inverse svg[data-astro-cid-tvrurpns]{color:var(--sage-300)}.site-header[data-astro-cid-3ef6ksr2]{position:absolute;z-index:20;inset:0 0 auto;height:80px;border-bottom:1px solid rgba(14,39,59,.1)}.header-inner[data-astro-cid-3ef6ksr2]{height:100%;display:grid;grid-template-columns:1fr auto 1fr;align-items:center}.brand-link[data-astro-cid-3ef6ksr2]{width:fit-content}.desktop-nav[data-astro-cid-3ef6ksr2]{display:flex;align-items:center;gap:34px}.desktop-nav[data-astro-cid-3ef6ksr2] a[data-astro-cid-3ef6ksr2]{min-height:44px;display:inline-flex;align-items:center;color:var(--slate-700);font-size:14px;font-weight:560}.desktop-nav[data-astro-cid-3ef6ksr2] a[data-astro-cid-3ef6ksr2]:hover{color:var(--navy-950)}.header-actions[data-astro-cid-3ef6ksr2]{justify-self:end;display:flex;align-items:center;gap:20px}.locale-menu[data-astro-cid-3ef6ksr2]{position:relative}.locale-menu[data-astro-cid-3ef6ksr2] summary[data-astro-cid-3ef6ksr2]{min-width:66px;min-height:44px;display:inline-flex;align-items:center;justify-content:center;gap:7px;color:var(--slate-600);font-size:12px;font-weight:650;letter-spacing:.03em;cursor:pointer;list-style:none}.locale-menu[data-astro-cid-3ef6ksr2] summary[data-astro-cid-3ef6ksr2]::-webkit-details-marker{display:none}.locale-menu[data-astro-cid-3ef6ksr2] summary[data-astro-cid-3ef6ksr2] span[data-astro-cid-3ef6ksr2]{transform:translateY(-1px);color:var(--slate-400);font-size:12px;transition:transform .18s ease}.locale-menu[data-astro-cid-3ef6ksr2][open] summary[data-astro-cid-3ef6ksr2] span[data-astro-cid-3ef6ksr2]{transform:rotate(180deg)}.locale-panel[data-astro-cid-3ef6ksr2]{position:absolute;top:48px;inset-inline-end:0;min-width:144px;padding:7px;background:var(--warm-white);border:1px solid var(--line);box-shadow:var(--shadow-lg)}.locale-panel[data-astro-cid-3ef6ksr2] a[data-astro-cid-3ef6ksr2]{min-height:38px;display:flex;align-items:center;padding:8px 11px;color:var(--slate-600);font-size:12px;font-weight:600;white-space:nowrap}.locale-panel[data-astro-cid-3ef6ksr2] a[data-astro-cid-3ef6ksr2]:hover{background:var(--sand-100);color:var(--navy-950)}.locale-panel[data-astro-cid-3ef6ksr2] a[data-astro-cid-3ef6ksr2][aria-current=page]{background:var(--navy-950);color:var(--white)}.locale-menu[data-astro-cid-3ef6ksr2] summary[data-astro-cid-3ef6ksr2]:focus-visible,.locale-panel[data-astro-cid-3ef6ksr2] a[data-astro-cid-3ef6ksr2]:focus-visible{outline:2px solid var(--sage-400);outline-offset:2px}.mobile-menu[data-astro-cid-3ef6ksr2]{display:none;position:relative}.mobile-menu[data-astro-cid-3ef6ksr2] summary[data-astro-cid-3ef6ksr2]{width:44px;height:44px;border:1px solid var(--line);display:grid;place-content:center;gap:5px;cursor:pointer;list-style:none}.mobile-menu[data-astro-cid-3ef6ksr2] summary[data-astro-cid-3ef6ksr2]::-webkit-details-marker{display:none}.mobile-menu[data-astro-cid-3ef6ksr2] summary[data-astro-cid-3ef6ksr2] span[data-astro-cid-3ef6ksr2]{width:17px;height:1px;background:var(--navy-950);transition:transform .2s ease}.mobile-menu[data-astro-cid-3ef6ksr2][open] summary[data-astro-cid-3ef6ksr2] span[data-astro-cid-3ef6ksr2]:first-child{transform:translateY(3px) rotate(45deg)}.mobile-menu[data-astro-cid-3ef6ksr2][open] summary[data-astro-cid-3ef6ksr2] span[data-astro-cid-3ef6ksr2]:last-child{transform:translateY(-3px) rotate(-45deg)}.mobile-panel[data-astro-cid-3ef6ksr2]{position:absolute;top:50px;inset-inline-end:0;width:min(320px,calc(100vw - 32px));padding:24px;background:var(--warm-white);border:1px solid var(--line);box-shadow:var(--shadow-lg)}.mobile-panel[data-astro-cid-3ef6ksr2] nav[data-astro-cid-3ef6ksr2]{display:grid;margin-bottom:24px}.mobile-panel[data-astro-cid-3ef6ksr2] nav[data-astro-cid-3ef6ksr2] a[data-astro-cid-3ef6ksr2]{padding:15px 0;border-bottom:1px solid var(--line);color:var(--navy-950);font-weight:600}@media(max-width:760px){.site-header[data-astro-cid-3ef6ksr2]{height:68px}.header-inner[data-astro-cid-3ef6ksr2]{grid-template-columns:1fr auto}.desktop-nav[data-astro-cid-3ef6ksr2],.desktop-cta[data-astro-cid-3ef6ksr2]{display:none}.mobile-menu[data-astro-cid-3ef6ksr2]{display:block}.header-actions[data-astro-cid-3ef6ksr2]{gap:14px}.locale-menu[data-astro-cid-3ef6ksr2] summary[data-astro-cid-3ef6ksr2]{min-width:62px}}.site-footer[data-astro-cid-sz7xmlte]{background:var(--navy-950);color:var(--white);padding:80px 0 32px}.footer-grid[data-astro-cid-sz7xmlte]{display:grid;grid-template-columns:1.2fr .8fr;gap:80px;padding-bottom:72px}.footer-brand[data-astro-cid-sz7xmlte] p[data-astro-cid-sz7xmlte]{margin:30px 0 8px;font-size:19px;letter-spacing:-.01em}.footer-brand[data-astro-cid-sz7xmlte]>span[data-astro-cid-sz7xmlte]{color:var(--slate-400);font-size:13px}.footer-links[data-astro-cid-sz7xmlte]{display:grid;grid-template-columns:repeat(3,1fr);gap:32px}.footer-links[data-astro-cid-sz7xmlte] p[data-astro-cid-sz7xmlte]{color:var(--slate-400);margin:0 0 20px;font-size:12px;font-weight:700;letter-spacing:.12em;text-transform:uppercase}.footer-links[data-astro-cid-sz7xmlte] a[data-astro-cid-sz7xmlte]{min-height:44px;display:inline-flex;align-items:center;color:var(--slate-200);font-size:14px}.footer-links[data-astro-cid-sz7xmlte] a[data-astro-cid-sz7xmlte]:hover{color:var(--white)}.footer-bottom[data-astro-cid-sz7xmlte]{display:flex;justify-content:space-between;gap:32px;padding-top:24px;border-top:1px solid rgba(255,255,255,.1);color:var(--slate-500);font-size:11px;letter-spacing:.04em}@media(max-width:800px){.footer-grid[data-astro-cid-sz7xmlte]{grid-template-columns:1fr;gap:56px}}@media(max-width:560px){.site-footer[data-astro-cid-sz7xmlte]{padding-top:64px}.footer-links[data-astro-cid-sz7xmlte]{grid-template-columns:1fr 1fr;gap:40px 24px}.footer-bottom[data-astro-cid-sz7xmlte]{flex-direction:column}}:root{--navy-950: #081a29;--navy-900: #0d2639;--navy-800: #173d55;--navy-700: #24566d;--slate-900: #172632;--slate-800: #273b48;--slate-700: #40545f;--slate-600: #5d6e76;--slate-500: #77868d;--slate-400: #9ba7ac;--slate-300: #bdc6c9;--slate-200: #d9dfe0;--slate-100: #ebeeee;--warm-white: #fbfaf7;--white: #ffffff;--sand-100: #f4f1ea;--sage-300: #acc8ba;--sage-400: #7fa596;--sage-700: #386657;--line: rgba(15, 42, 59, .14);--shadow-md: 0 20px 60px rgba(12, 30, 43, .11);--shadow-lg: 0 28px 80px rgba(9, 25, 38, .17);--container: 1200px;--font-sans: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Segoe UI", "Noto Sans TC", "PingFang TC", "Microsoft JhengHei", sans-serif}*,*:before,*:after{box-sizing:border-box}html{scroll-behavior:smooth;background:var(--warm-white)}html[dir=rtl]{--font-sans: -apple-system, BlinkMacSystemFont, "SF Arabic", "Noto Sans Arabic", "Segoe UI", Tahoma, Arial, sans-serif}body{margin:0;color:var(--slate-900);background:var(--warm-white);font-family:var(--font-sans);font-size:16px;line-height:1.65;-webkit-font-smoothing:antialiased}html[dir=rtl] body{line-height:1.75}body,button,input{font-family:var(--font-sans)}a{color:inherit;text-decoration:none}img,svg{display:block;max-width:100%}button{color:inherit}::selection{background:var(--navy-800);color:var(--white)}:focus-visible{outline:3px solid rgba(36,86,109,.45);outline-offset:4px}.skip-link{position:fixed;z-index:100;left:16px;top:16px;padding:10px 14px;background:var(--white);color:var(--navy-950);transform:translateY(-160%);transition:transform .15s ease;box-shadow:var(--shadow-md)}.skip-link:focus{transform:translateY(0)}.container{width:min(calc(100% - 64px),var(--container));margin-inline:auto}.section{padding-block:120px}.section-tight{padding-block:88px}.eyebrow{margin:0 0 20px;color:var(--navy-700);font-size:11px;line-height:1.3;font-weight:760;letter-spacing:.18em;text-transform:uppercase}.display{margin:0;color:var(--navy-950);font-size:clamp(44px,5vw,72px);line-height:1.06;font-weight:620;letter-spacing:-.045em}.section-title{margin:0;color:var(--navy-950);font-size:clamp(34px,3.4vw,52px);line-height:1.13;font-weight:610;letter-spacing:-.035em}.lead{color:var(--slate-600);font-size:clamp(17px,1.5vw,20px);line-height:1.72}.button{min-height:48px;display:inline-flex;align-items:center;justify-content:center;gap:10px;padding:11px 22px;border:1px solid transparent;font-size:14px;line-height:1.3;font-weight:680;transition:background-color .2s ease,color .2s ease,border-color .2s ease,transform .2s ease}.button:hover{transform:translateY(-1px)}.button-dark{color:var(--white);background:var(--navy-950);border-color:var(--navy-950)}.button-dark:hover{background:var(--navy-800);border-color:var(--navy-800)}.button-light{color:var(--navy-950);background:var(--white);border-color:var(--white)}.button-ghost{color:var(--navy-950);background:transparent;border-color:var(--line)}.button-ghost:hover{border-color:var(--navy-700)}.button-small{min-height:40px;padding:8px 16px;font-size:13px}.arrow-link{display:inline-flex;align-items:center;gap:9px;color:var(--navy-900);font-size:14px;font-weight:700}.arrow-link:after{content:"→";transition:transform .2s ease}.arrow-link:hover:after{transform:translate(4px)}html[dir=rtl] :where(.display,.section-title,h1,h2,h3){letter-spacing:0}html[dir=rtl] .arrow-link:after{content:"←"}html[dir=rtl] .arrow-link:hover:after{transform:translate(-4px)}html[dir=rtl] :where(.hero-actions,.final-inner,.privacy-closing-inner,.simple-inner) .button>span[aria-hidden=true],html[dir=rtl] :where(.next-arrow,.article-link i,.read-link i,.back-link>span,.price-choice>i){transform:scaleX(-1)}html[dir=rtl] .article-card a:hover :where(.article-link i,.read-link i){transform:scaleX(-1) translate(4px)}html[dir=rtl] :where(.formula-equation,.website-label,.footer-formula,[data-ltr]){direction:ltr;unicode-bidi:isolate}.page-hero{min-height:520px;padding:176px 0 104px;background:var(--sand-100)}.page-hero .lead{max-width:660px;margin:28px 0 36px}@media(max-width:900px){.section{padding-block:96px}.section-tight{padding-block:72px}}@media(max-width:640px){.container{width:min(calc(100% - 32px),var(--container))}.section{padding-block:76px}.section-tight{padding-block:60px}.eyebrow{margin-bottom:16px}.display{font-size:clamp(40px,12.5vw,54px)}.section-title{font-size:clamp(31px,9vw,42px)}.lead{font-size:17px}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}}