:root{--ink: #0b1622;--ink-70: #3c4a5a;--ink-50: #6b7887;--ink-30: #9aa5b1;--navy: #12325c;--navy-700: #0d2544;--navy-500: #1b4680;--navy-100: #e8eef7;--gold: #b8934a;--gold-100: #f6efe0;--sea: #17787a;--sea-100: #e2f1f1;--paper: #fbfaf7;--white: #ffffff;--line: #e6e3dc;--line-strong: #d3cec3;--radius: 14px;--radius-lg: 22px;--shadow-sm: 0 1px 2px rgba(11, 22, 34, .05), 0 2px 8px rgba(11, 22, 34, .04);--shadow-md: 0 2px 6px rgba(11, 22, 34, .06), 0 12px 32px rgba(11, 22, 34, .08);--wrap: 1120px;--wrap-narrow: 760px;--font-zh: "PingFang TC", "Noto Sans TC", "Microsoft JhengHei", "Heiti TC", -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;--font-en: ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif}:root[lang=zh-Hans-CN]{--font-zh: "PingFang SC", "Noto Sans SC", "Microsoft YaHei", "Heiti SC", -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif}*,*:before,*:after{box-sizing:border-box}html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{animation-duration:.01ms!important;transition-duration:.01ms!important}}body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--font-zh);line-height:1.85;font-size:17px;letter-spacing:.01em;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}img,svg,video{max-width:100%;height:auto;display:block}h1,h2,h3,h4{line-height:1.4;letter-spacing:-.005em;font-weight:700;color:var(--navy-700);margin:0;text-wrap:balance}h1{font-size:clamp(2rem,5vw,3.1rem);line-height:1.25}h2{font-size:clamp(1.5rem,3.2vw,2.15rem)}h3{font-size:clamp(1.1rem,2vw,1.3rem)}p{margin:0 0 1.1em;text-wrap:pretty}p:last-child{margin-bottom:0}p,li,dd,figcaption,h1,h2,h3,h4{overflow-wrap:break-word}a{color:var(--navy-500);text-decoration-thickness:1px;text-underline-offset:3px}a:hover{color:var(--navy)}:focus-visible{outline:3px solid var(--sea);outline-offset:3px;border-radius:4px}.wrap{width:100%;max-width:var(--wrap);margin-inline:auto;padding-inline:20px}.wrap-narrow{max-width:var(--wrap-narrow)}.section{padding-block:clamp(56px,8vw,104px)}.section--tint{background:var(--white);border-block:1px solid var(--line)}.section--navy{background:var(--navy-700);color:#dfe7f2}.section--navy h2,.section--navy h3{color:var(--white)}.eyebrow{display:inline-block;font-size:.8rem;font-weight:700;letter-spacing:.14em;color:var(--sea);margin-bottom:12px;text-transform:none}.section--navy .eyebrow{color:var(--gold)}.lede{font-size:clamp(1.05rem,1.9vw,1.22rem);line-height:1.8;color:var(--ink-70);max-width:62ch;margin:18px 0 0;font-weight:500}.section--navy .lede{color:#c3d2e6}.section-head{max-width:68ch;margin-bottom:clamp(32px,4vw,52px)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:14px 28px;border-radius:999px;font-weight:700;font-size:1rem;text-decoration:none;border:1.5px solid transparent;transition:transform .15s ease,box-shadow .15s ease,background .15s ease;min-height:48px;cursor:pointer;max-width:100%;overflow-wrap:anywhere}.btn:hover{transform:translateY(-1px)}.btn--primary{background:var(--navy);color:var(--white);box-shadow:var(--shadow-sm)}.btn--primary:hover{background:var(--navy-500);color:var(--white);box-shadow:var(--shadow-md)}.btn--ghost{background:transparent;color:var(--navy);border-color:var(--line-strong)}.btn--ghost:hover{border-color:var(--navy);color:var(--navy);background:var(--white)}.btn--gold{background:var(--gold);color:#241a05}.btn--gold:hover{background:#c9a558;color:#241a05}.grid{display:grid;gap:20px}.grid--3{grid-template-columns:repeat(auto-fit,minmax(min(288px,100%),1fr))}.grid--4{grid-template-columns:repeat(auto-fit,minmax(min(232px,100%),1fr))}.card{background:var(--white);border:1px solid var(--line);border-radius:var(--radius-lg);padding:30px 28px;box-shadow:var(--shadow-sm)}.card__icon{font-size:1.9rem;line-height:1;margin-bottom:14px}.card h3{margin-bottom:10px}.card p{color:var(--ink-70);font-size:.98rem;margin:0}.card__note{display:inline-block;margin-top:16px;font-size:.8rem;font-weight:700;color:var(--gold);background:var(--gold-100);padding:5px 12px;border-radius:999px}.checklist{list-style:none;padding:0;margin:26px 0 0;display:grid;gap:12px}.checklist li{display:flex;gap:12px;align-items:flex-start;background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:14px 18px;font-weight:600;color:var(--navy-700)}.checklist li:before{content:"✓";color:var(--sea);font-weight:800;flex:none}@media(min-width:720px){.checklist{grid-template-columns:1fr 1fr}}.answer-box{background:var(--sea-100);border-top:1px solid var(--line);padding-block:clamp(36px,5vw,56px)}.answer-box__title{font-size:.82rem;font-weight:800;letter-spacing:.14em;color:var(--sea);margin-bottom:12px}.answer-box__text{font-size:clamp(1rem,1.7vw,1.1rem);color:#10403f;margin:0;line-height:1.85;overflow-wrap:anywhere}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}.skip-link{position:absolute;left:-9999px;top:0;z-index:999;background:var(--navy);color:#fff;padding:12px 20px;border-radius:0 0 8px}.skip-link:focus{left:0}@media print{.site-header,.site-footer,.cta-band,.lang-switch{display:none!important}body{background:#fff;font-size:12pt}}