:root{--yellow:#f8c800;--yellow-soft:#fff4b8;--ink:#171717;--muted:#626262;--paper:#fff;--soft:#f5f5f2;--line:#deded8;--max:1180px}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;color:var(--ink);background:var(--paper);font-family:"Noto Sans TC","PingFang TC","Microsoft JhengHei",sans-serif;line-height:1.75}
a{color:inherit;text-decoration:none}
.skip{position:fixed;left:1rem;top:-5rem;background:#000;color:#fff;padding:.7rem 1rem;z-index:100}
.skip:focus{top:1rem}
.site-header{height:76px;display:flex;align-items:center;gap:2rem;padding:0 max(24px,calc((100vw - var(--max))/2));border-bottom:1px solid var(--line);background:rgba(255,255,255,.94);backdrop-filter:blur(12px);position:sticky;top:0;z-index:20}
.brand{display:flex;align-items:center;gap:.8rem;margin-right:auto}
.brand-mark{width:40px;height:40px;display:grid;place-items:center;background:var(--yellow);font-weight:900;font-size:1.25rem}
.brand strong,.brand small{display:block;line-height:1.25}
.brand small{font-size:.75rem;color:var(--muted);margin-top:.15rem;letter-spacing:.1em}
.site-header nav{display:flex;gap:1.5rem;font-size:.9rem;font-weight:700}
.site-header nav a:hover{color:#9b7900}
.header-call{background:var(--ink);color:#fff;padding:.65rem 1.1rem;font-weight:800}
.hero{max-width:var(--max);margin:auto;min-height:690px;display:grid;grid-template-columns:1.06fr .94fr;align-items:stretch;padding:52px 0 56px}
.hero-copy{padding:70px 48px 30px 0;display:flex;flex-direction:column;justify-content:center}
.eyebrow,.kicker{font-size:.78rem;font-weight:900;letter-spacing:.13em;text-transform:uppercase}
.eyebrow{display:inline-flex;align-self:flex-start;background:var(--yellow-soft);padding:.45rem .75rem;margin:0 0 1.3rem}
.hero h1{font-size:clamp(3.1rem,5.7vw,5.35rem);line-height:1.08;letter-spacing:-.045em;margin:0}
.hero h1 em{font-style:normal;box-shadow:inset 0 -.26em var(--yellow)}
.hero-lead{font-size:1.15rem;max-width:620px;color:#494949;margin:2rem 0}
.hero-actions{display:flex;gap:.8rem}
.button{display:inline-flex;justify-content:center;align-items:center;padding:.9rem 1.3rem;font-weight:900;border:2px solid var(--ink)}
.button.primary{background:var(--yellow)}
.button.secondary{background:#fff}
.button:hover{transform:translateY(-2px)}
.trust-list{display:grid;grid-template-columns:repeat(3,1fr);margin:3rem 0 0;border-top:1px solid var(--line);padding-top:1.25rem}
.trust-list div{padding-right:1rem}
.trust-list dt{font-weight:900;font-size:1.25rem}
.trust-list dd{margin:0;color:var(--muted);font-size:.82rem}
.hero-visual{position:relative;background:#222;overflow:hidden;min-height:580px}
.photo-frame{position:absolute;inset:0;background:linear-gradient(135deg,rgba(248,200,0,.14),rgba(0,0,0,.02)),url('assets/huang-boyao-portrait.jpg') center 18%/cover no-repeat;filter:saturate(.94) contrast(1.03)}
.hero-visual:before{content:"";position:absolute;inset:0;background:linear-gradient(0deg,rgba(0,0,0,.72),transparent 55%);z-index:1}
.hero-visual:after{content:"";position:absolute;top:28px;right:28px;width:94px;height:94px;border-top:12px solid var(--yellow);border-right:12px solid var(--yellow);z-index:2}
.hero-visual p{position:absolute;z-index:2;left:32px;right:32px;bottom:26px;margin:0;color:#fff;font-size:1rem}
.hero-visual p span{display:block;color:var(--yellow);font-weight:900;font-size:.75rem;letter-spacing:.25em}
.promise{background:var(--ink);color:#fff;display:flex;justify-content:center;align-items:center;gap:2rem;padding:1rem 24px;font-weight:700;font-size:.9rem}
.promise p{margin:0}
.promise i{width:5px;height:5px;background:var(--yellow);border-radius:50%}
.section{max-width:var(--max);margin:auto;padding:110px 0}
.section-heading{margin-bottom:2.5rem}
.section-heading.row{display:grid;grid-template-columns:1fr .55fr;gap:4rem;align-items:end}
.section-heading.row>p{color:var(--muted);margin:0}
.kicker{color:#8a6b00;margin:0 0 .8rem}
.section h2,.contact h2{font-size:clamp(2.3rem,4vw,4rem);line-height:1.2;letter-spacing:-.035em;margin:0}
.story-card{display:grid;grid-template-columns:330px 1fr;background:var(--soft);border-top:8px solid var(--yellow)}
.portrait-placeholder{min-height:470px;background:#222 url('assets/huang-boyao-portrait.jpg') center 18%/cover no-repeat}
.portrait-placeholder span{width:150px;height:150px;display:grid;place-items:center;border-radius:50%;background:var(--yellow);color:#111;font-size:5rem;font-weight:900}
.portrait-placeholder small{margin-top:1.4rem;letter-spacing:.35em;color:var(--yellow)}
.story-copy{padding:3.2rem 4rem;font-size:1.04rem}
.story-copy p:first-child{margin-top:0}
.story-copy blockquote{font-size:1.5rem;font-weight:900;border-left:6px solid var(--yellow);margin:2rem 0 0;padding:.5rem 0 .5rem 1.2rem}
.services{border-top:1px solid var(--line)}
.service-grid{display:grid;grid-template-columns:repeat(3,1fr);border-left:1px solid var(--line);border-top:1px solid var(--line)}
.service-grid article{padding:1.7rem;border-right:1px solid var(--line);border-bottom:1px solid var(--line);min-height:250px;transition:.2s}
.service-grid article:hover{background:var(--yellow-soft)}
.service-grid span{font-size:.8rem;font-weight:900;color:#8a6b00}
.service-grid h3{font-size:1.25rem;margin:1.1rem 0 .65rem}
.service-grid p{font-size:.92rem;color:var(--muted);margin:0}
.areas{display:grid;grid-template-columns:.8fr 1.2fr;gap:5rem;background:var(--ink);color:#fff;max-width:none;padding-left:max(24px,calc((100vw - var(--max))/2));padding-right:max(24px,calc((100vw - var(--max))/2))}
.areas .kicker{color:var(--yellow)}
.areas mark{color:var(--ink);background:var(--yellow);padding:0 .15em}
.area-intro>p:not(.kicker){color:#bdbdbd;max-width:480px}
.area-intro>a{display:inline-block;color:var(--yellow);font-weight:900;margin-top:1rem}
.area-list{border-top:1px solid #444}
.area-list>div{padding:1.4rem 0;border-bottom:1px solid #444;display:grid;grid-template-columns:180px 1fr;align-items:center}
.area-list h3,.area-list p{margin:0}
.area-list p{color:#bbb}
.area-list .featured-area{display:block;background:var(--yellow);color:#111;margin-top:-1.5rem;padding:1.8rem}
.featured-area b{font-size:.75rem;letter-spacing:.15em}
.featured-area h3{font-size:2rem}
.featured-area p{color:#4e4200}
.process ol{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:repeat(4,1fr)}
.process li{border-top:4px solid var(--ink);padding:1.4rem 1.4rem 0 0;margin-right:1.4rem}
.process li span{font-weight:900;color:#9b7900}
.process h3{font-size:1.15rem;margin:1.2rem 0 .4rem}
.process p{font-size:.9rem;color:var(--muted);margin:0}
.contact{background:var(--yellow);padding:88px max(24px,calc((100vw - var(--max))/2));display:grid;grid-template-columns:1fr 1fr;gap:7rem;align-items:center}
.contact .kicker{color:#433700}
.contact>div>p:last-child{max-width:500px}
.contact-card{background:#fff;padding:1rem 2rem;box-shadow:12px 12px 0 #1b1b1b}
.contact-row{display:grid;grid-template-columns:80px 1fr;padding:1.15rem 0;border-bottom:1px solid var(--line)}
.contact-row span{font-size:.78rem;color:var(--muted);font-weight:800}
.contact-row strong{font-size:1.08rem}
.socials{display:flex;gap:1.2rem;padding:1.2rem 0 .3rem;font-weight:800;font-size:.9rem}
.socials a{text-decoration:underline;text-decoration-color:var(--yellow);text-decoration-thickness:4px}
footer{background:#111;color:#fff;max-width:none;padding:44px max(24px,calc((100vw - var(--max))/2));display:grid;grid-template-columns:1fr 1fr auto;gap:2rem;align-items:end;font-size:.82rem}
footer p{margin:.2rem 0;color:#aaa}
.copyright{text-align:right}
.mobile-actions{display:none}
@media(max-width:900px){.site-header{padding:0 18px;height:68px}
.site-header nav,.header-call{display:none}
.hero{grid-template-columns:1fr;padding:0}
.hero-copy{padding:62px 24px 45px}
.hero h1{font-size:clamp(2.75rem,13vw,4.3rem)}
.hero-visual{min-height:420px}
.promise{justify-content:flex-start;overflow:auto;white-space:nowrap}
.section{padding:80px 24px}
.section-heading.row{grid-template-columns:1fr;gap:1rem}
.story-card{grid-template-columns:1fr}
.portrait-placeholder{min-height:300px}
.story-copy{padding:2rem}
.service-grid{grid-template-columns:repeat(2,1fr)}
.areas{grid-template-columns:1fr;gap:3rem;padding-top:80px;padding-bottom:80px}
.process ol{grid-template-columns:repeat(2,1fr);gap:2rem}
.contact{grid-template-columns:1fr;gap:2.5rem}
.contact-card{box-shadow:8px 8px 0 #1b1b1b}
footer{grid-template-columns:1fr;padding-bottom:94px}
.copyright{text-align:left}
.mobile-actions{display:grid;grid-template-columns:1fr 1fr;position:fixed;left:0;right:0;bottom:0;z-index:30;box-shadow:0 -4px 18px rgba(0,0,0,.18)}
.mobile-actions a{padding:.9rem;text-align:center;font-weight:900;background:#fff}
.mobile-actions a:last-child{background:var(--yellow)}
}
@media(max-width:560px){.brand small{display:none}
.hero-copy{padding-top:48px}
.eyebrow{font-size:.68rem}
.hero-lead{font-size:1rem}
.hero-actions{flex-direction:column}
.trust-list{gap:.6rem}
.trust-list dt{font-size:1.05rem}
.trust-list dd{font-size:.72rem}
.hero-visual{min-height:330px}
.promise{gap:1rem}
.section h2,.contact h2{font-size:2.35rem}
.story-copy{font-size:.98rem}
.story-copy blockquote{font-size:1.2rem}
.service-grid{grid-template-columns:1fr}
.service-grid article{min-height:auto}
.area-list>div{grid-template-columns:1fr;gap:.3rem}
.process ol{grid-template-columns:1fr}
.contact-card{padding:.8rem 1.2rem}
.contact-row{grid-template-columns:65px 1fr}
.socials{flex-wrap:wrap}
}