/* 偉大商有限公司｜明亮質感版（固定淺色） */
:root {
  color-scheme: light;
  --bg: #FBFAF7;
  --paper: #FFFFFF;
  --tint: #F4F1EA;
  --ink: #1B1E23;
  --ink-2: #545A63;
  --muted: #8B8F96;
  --line: #E7E2D8;
  --gold: #B08D57;
  --gold-deep: #8A6B3D;
  --gold-soft: #F3EBDD;
  --sage: #DCE5DE;
  --shadow: 0 1px 2px rgba(27, 30, 35, .04), 0 12px 32px -12px rgba(27, 30, 35, .14);
  --serif-en: "Cormorant Garamond", "Times New Roman", serif;
  --serif: "Noto Serif TC", "Songti TC", serif;
  --sans: "Noto Sans TC", "PingFang TC", "Microsoft JhengHei", sans-serif;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--bg); color: var(--ink); font-family: var(--sans); font-size: 16px; line-height: 1.85; -webkit-font-smoothing: antialiased; }
a { color: var(--gold-deep); }
h1, h2, h3 { font-family: var(--serif); font-weight: 600; line-height: 1.3; margin: 0; letter-spacing: .01em; text-wrap: balance; }
h1 { font-size: clamp(30px, 4.2vw, 52px); line-height: 1.25; }
.nw { white-space: nowrap; }
h1 em { font-style: normal; color: var(--gold-deep); }
h2 { font-size: clamp(26px, 3.4vw, 38px); }
h3 { font-size: 21px; }
p { margin: 0; }
ul, ol { margin: 0; padding: 0; list-style: none; }
.wrap { max-width: 1160px; margin: 0 auto; padding: 0 24px; }

/* 共用 */
.kicker { display: inline-flex; align-items: center; gap: 8px; font-size: 13px; letter-spacing: .18em; color: var(--gold-deep); font-weight: 700; margin-bottom: 14px; }
.kicker .dot { width: 6px; height: 6px; border-radius: 50%; background: var(--gold); box-shadow: 0 0 0 4px var(--gold-soft); }
.lede { color: var(--ink-2); font-size: 17px; max-width: 540px; margin-top: 22px; }
.sec-head { max-width: 640px; margin-bottom: 48px; }
.sec-lede { color: var(--ink-2); font-size: 16.5px; margin-top: 14px; }
.section { padding: 104px 0; }
.section.tint { background: var(--tint); }

.btn { display: inline-flex; align-items: center; gap: 8px; padding: 13px 26px; border-radius: 999px; font-weight: 500; font-size: 15px; text-decoration: none; letter-spacing: .04em; transition: transform .2s ease, background .2s ease, box-shadow .2s ease, border-color .2s ease; }
.btn-dark { background: var(--ink); color: #fff; }
.btn-dark:hover { background: #000; transform: translateY(-1px); box-shadow: 0 10px 24px -10px rgba(0, 0, 0, .45); }
.btn-line { border: 1px solid var(--ink); color: var(--ink); background: transparent; }
.btn-line:hover { background: var(--ink); color: #fff; }
.btn:focus-visible, a:focus-visible { outline: 2px solid var(--gold); outline-offset: 3px; }

/* 頂部導覽 */
.topbar { position: sticky; top: 0; z-index: 10; background: rgba(251, 250, 247, .82); backdrop-filter: saturate(1.4) blur(14px); -webkit-backdrop-filter: saturate(1.4) blur(14px); border-bottom: 1px solid rgba(231, 226, 216, .7); }
.nav { display: flex; align-items: center; justify-content: space-between; gap: 16px; height: 72px; }
.brand { display: inline-flex; align-items: center; gap: 12px; color: var(--ink); text-decoration: none; }
.mark { display: grid; place-items: center; width: 38px; height: 38px; border-radius: 10px; background: var(--ink); color: #F3EBDD; font-family: var(--serif); font-weight: 700; font-size: 19px; }
.brand-text { display: flex; flex-direction: column; font-family: var(--serif); font-weight: 700; font-size: 19px; line-height: 1.15; }
.brand-text small { font-family: var(--serif-en); font-weight: 600; font-size: 11px; letter-spacing: .22em; color: var(--muted); }
.nav nav { display: flex; align-items: center; gap: 30px; }
.nav nav a:not(.btn) { color: var(--ink-2); text-decoration: none; font-size: 15px; position: relative; }
.nav nav a:not(.btn)::after { content: ""; position: absolute; left: 0; right: 0; bottom: -4px; height: 1px; background: var(--gold); transform: scaleX(0); transition: transform .25s ease; }
.nav nav a:not(.btn):hover::after { transform: scaleX(1); }
.nav .btn { padding: 9px 20px; font-size: 14px; }

/* 首屏 */
.hero { position: relative; overflow: hidden; padding: 88px 0 96px; background:
  radial-gradient(900px 480px at 85% 10%, var(--gold-soft) 0%, rgba(243, 235, 221, 0) 60%),
  radial-gradient(700px 420px at 0% 100%, #EEF2EE 0%, rgba(238, 242, 238, 0) 60%); }
.hero-grid { display: grid; grid-template-columns: .92fr 1.08fr; gap: 56px; align-items: center; }
.hero .cta { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 36px; }
.tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 40px; }
.tags li { font-size: 13px; color: var(--ink-2); padding: 5px 14px; border: 1px solid var(--line); border-radius: 999px; background: rgba(255, 255, 255, .7); }

.hero-visual { position: relative; padding: 0 0 0 28px; }
.hero-photo { margin: 0; border-radius: 24px; overflow: hidden; box-shadow: 0 30px 60px -30px rgba(60, 48, 28, .35); aspect-ratio: 3 / 2; }
.hero-photo img { width: 100%; height: 100%; object-fit: cover; display: block; }
.panel { position: absolute; background: rgba(255, 255, 255, .94); backdrop-filter: blur(8px); border: 1px solid var(--line); border-radius: 18px; box-shadow: var(--shadow); }
.panel-chart { right: -16px; top: -26px; width: 40%; padding: 14px 16px 10px; }
.panel-chart svg { width: 100%; height: 70px; display: block; margin-top: 6px; }
.p-label { font-size: 12px; letter-spacing: .12em; color: var(--muted); font-weight: 700; }
.p-foot { display: flex; justify-content: space-between; font-size: 11px; color: var(--muted); margin-top: 6px; }
.panel-ads { left: -14px; bottom: 20px; width: 34%; padding: 14px 16px; }
.bars { display: flex; align-items: flex-end; gap: 8px; height: 56px; margin: 10px 0 8px; }
.bars span { flex: 1; height: var(--h); border-radius: 6px 6px 2px 2px; background: linear-gradient(180deg, var(--gold) 0%, #D9C3A0 100%); }
.bars span:nth-child(-n+3) { background: var(--sage); }
.p-note { font-size: 12px; color: var(--ink-2); }

/* 英文帶狀 */
.strip { border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); background: var(--paper); }
.strip-row { display: flex; align-items: center; justify-content: space-between; gap: 18px; padding-top: 22px; padding-bottom: 22px; flex-wrap: wrap; }
.strip-row span { font-family: var(--serif-en); font-style: italic; font-size: 24px; color: var(--ink-2); }
.strip-row i { width: 6px; height: 6px; transform: rotate(45deg); background: var(--gold); }

/* 服務 */
.services { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.svc { background: var(--paper); border: 1px solid var(--line); border-radius: 20px; padding: 36px 32px; transition: transform .3s ease, box-shadow .3s ease, border-color .3s ease; }
.svc:hover { transform: translateY(-4px); box-shadow: var(--shadow); border-color: #DCCFB8; }
.svc-img { margin: -36px -32px 28px; aspect-ratio: 4 / 3; overflow: hidden; border-radius: 20px 20px 0 0; }
.svc-img img { width: 100%; height: 100%; object-fit: cover; display: block; transition: transform .6s ease; }
.svc:hover .svc-img img { transform: scale(1.04); }
.svc { overflow: hidden; }
.svc-top { display: flex; align-items: baseline; justify-content: space-between; margin-bottom: 26px; padding-bottom: 18px; border-bottom: 1px solid var(--line); }
.svc .no { font-family: var(--serif-en); font-size: 38px; line-height: 1; color: var(--gold); }
.svc .en { font-family: var(--serif-en); font-style: italic; font-size: 17px; color: var(--muted); }
.svc > p { color: var(--ink-2); margin-top: 12px; font-size: 15.5px; }
.svc ul { margin-top: 22px; display: grid; gap: 10px; }
.svc li { position: relative; padding-left: 22px; font-size: 15px; }
.svc li::before { content: ""; position: absolute; left: 0; top: .78em; width: 10px; height: 1px; background: var(--gold); }

/* 流程 */
.timeline { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; position: relative; }
.timeline::before { content: ""; position: absolute; left: 0; right: 0; top: 7px; height: 1px; background: #D9CFBD; }
.timeline li { position: relative; padding: 38px 28px 0 0; }
.timeline li::before { content: ""; position: absolute; left: 0; top: 0; width: 15px; height: 15px; border-radius: 50%; background: var(--bg); border: 1.5px solid var(--gold); }
.timeline li:first-child::before { background: var(--gold); }
.step { font-family: var(--serif-en); font-size: 15px; letter-spacing: .14em; color: var(--gold-deep); }
.timeline h3 { margin-top: 6px; }
.timeline p { color: var(--ink-2); font-size: 15px; margin-top: 10px; }

/* 平台 */
.feature { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center; }
.feature .btn { margin-top: 30px; }
.feature-list { background: var(--paper); border: 1px solid var(--line); border-radius: 20px; padding: 8px 28px; box-shadow: var(--shadow); }
.feature-list li { display: flex; justify-content: space-between; align-items: baseline; gap: 16px; padding: 18px 0; border-bottom: 1px solid var(--line); }
.feature-list li:last-child { border-bottom: 0; }
.feature-list b { font-family: var(--serif); font-weight: 600; font-size: 17px; }
.feature-list span { color: var(--ink-2); font-size: 14.5px; text-align: right; }

/* 公司 */
.company { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center; }
.office-photo { margin: 32px 0 0; border-radius: 20px; overflow: hidden; aspect-ratio: 3 / 2; }
.office-photo img { width: 100%; height: 100%; object-fit: cover; display: block; }
.info { margin: 0; background: var(--paper); border: 1px solid var(--line); border-radius: 20px; padding: 8px 32px; }
.info div { display: grid; grid-template-columns: 110px 1fr; gap: 16px; padding: 18px 0; border-bottom: 1px solid var(--line); }
.info div:last-child { border-bottom: 0; }
.info dt { color: var(--muted); font-size: 14px; letter-spacing: .08em; }
.info dd { margin: 0; font-weight: 500; }

/* CTA */
.cta-card { text-align: center; padding: 80px 32px; border-radius: 28px; border: 1px solid #E5D8C1; background:
  radial-gradient(600px 260px at 50% 0%, #FFFFFF 0%, rgba(255, 255, 255, 0) 70%),
  linear-gradient(180deg, var(--gold-soft) 0%, #F8F3EA 100%); }
.cta-card p:not(.kicker) { color: var(--ink-2); margin: 14px 0 32px; }
.cta-card .kicker { font-family: var(--serif-en); font-style: italic; font-size: 18px; letter-spacing: .06em; font-weight: 500; }

/* 頁尾 */
.footer { border-top: 1px solid var(--line); background: var(--paper); }
.footer-row { display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap; padding-top: 30px; padding-bottom: 36px; }
.brand.small { display: inline-flex; align-items: center; gap: 10px; font-family: var(--serif); font-weight: 600; }
.brand.small .mark { width: 30px; height: 30px; font-size: 15px; border-radius: 8px; }
.footer-meta { color: var(--muted); font-size: 13.5px; }

/* 響應式 */
@media (max-width: 960px) {
  .hero-grid, .feature, .company { grid-template-columns: 1fr; gap: 48px; }
  .hero-visual { max-width: 620px; }
  .services { grid-template-columns: 1fr; }
  .timeline { grid-template-columns: 1fr 1fr; row-gap: 36px; }
  .timeline::before { display: none; }
}
@media (max-width: 640px) {
  .section { padding: 72px 0; }
  .hero { padding: 56px 0 64px; }
  .nav { height: 64px; }
  .nav nav a:not(.btn) { display: none; }
  .brand-text small { display: none; }
  .hero-visual { padding: 0; }
  .panel-chart { right: 8px; top: auto; bottom: -28px; width: 50%; }
  .panel-ads { display: none; }
  .svc-img { margin: -28px -24px 24px; }
  .strip-row { justify-content: center; }
  .strip-row span { font-size: 19px; }
  .strip-row i { display: none; }
  .timeline { grid-template-columns: 1fr; }
  .svc { padding: 28px 24px; }
  .info { padding: 4px 22px; }
  .info div { grid-template-columns: 1fr; gap: 2px; }
  .feature-list { padding: 4px 22px; }
  .feature-list li { flex-direction: column; gap: 2px; }
  .feature-list span { text-align: left; }
  .cta-card { padding: 56px 22px; }
}
@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; scroll-behavior: auto !important; }
}

/* 作品案例 */
.case { display: grid; grid-template-columns: 1.15fr .85fr; gap: 64px; align-items: center; }
.case-visual { position: relative; padding: 0 56px 48px 0; }
.case-browser { margin: 0; background: var(--paper); border: 1px solid var(--line); border-radius: 16px; overflow: hidden; box-shadow: 0 30px 60px -30px rgba(60, 48, 28, .35); }
.case-chrome { display: flex; align-items: center; gap: 6px; padding: 10px 14px; border-bottom: 1px solid var(--line); background: #FCFBF8; }
.case-chrome i { width: 9px; height: 9px; border-radius: 50%; background: var(--line); }
.case-chrome span { margin-left: 10px; font-size: 11.5px; color: var(--muted); padding: 2px 14px; background: var(--tint); border-radius: 999px; letter-spacing: .03em; }
.case-browser img { display: block; width: 100%; height: auto; aspect-ratio: 1440 / 900; object-fit: cover; object-position: top; }
.case-phone { position: absolute; right: 0; bottom: 0; width: 27%; margin: 0; padding: 7px; background: var(--ink); border-radius: 26px; box-shadow: 0 24px 48px -20px rgba(27, 30, 35, .5); }
.case-phone img { display: block; width: 100%; height: auto; border-radius: 20px; aspect-ratio: 585 / 996; object-fit: cover; object-position: top; }
.case-meta { display: flex; align-items: center; gap: 12px; font-size: 13.5px; color: var(--muted); margin-bottom: 10px; }
.case-meta span { font-family: var(--serif-en); font-style: italic; font-size: 17px; color: var(--gold-deep); }
.case-body h3 { font-size: clamp(24px, 2.6vw, 30px); }
.case-lede { color: var(--ink-2); margin-top: 14px; }
.case-points { margin: 26px 0 30px; border-top: 1px solid var(--line); }
.case-points div { display: grid; grid-template-columns: 88px 1fr; gap: 14px; padding: 14px 0; border-bottom: 1px solid var(--line); }
.case-points dt { font-family: var(--serif); font-weight: 600; font-size: 15px; }
.case-points dd { margin: 0; color: var(--ink-2); font-size: 14.5px; }
@media (max-width: 960px) {
  .case { grid-template-columns: 1fr; gap: 40px; }
}
@media (max-width: 640px) {
  .case-visual { padding: 0 28px 36px 0; }
  .case-phone { width: 32%; padding: 5px; border-radius: 18px; }
  .case-phone img { border-radius: 14px; }
  .case-points div { grid-template-columns: 1fr; gap: 2px; }
}
.case + .case { margin-top: 96px; padding-top: 96px; border-top: 1px solid var(--line); }
.case-reverse { grid-template-columns: .85fr 1.15fr; }
.case-reverse .case-visual { order: 2; padding: 0 0 48px 56px; }
.case-reverse .case-phone { right: auto; left: 0; }
@media (max-width: 960px) {
  .case-reverse { grid-template-columns: 1fr; }
  .case-reverse .case-visual { order: 0; padding: 0 56px 48px 0; }
  .case-reverse .case-phone { left: auto; right: 0; }
  .case + .case { margin-top: 64px; padding-top: 64px; }
}
@media (max-width: 640px) {
  .case-reverse .case-visual { padding: 0 28px 36px 0; }
}

/* 聯絡表單 */
.contact-card { display: grid; grid-template-columns: .8fr 1.2fr; gap: 56px; padding: 64px; border-radius: 28px; border: 1px solid #E5D8C1; background:
  radial-gradient(600px 260px at 0% 0%, #FFFFFF 0%, rgba(255, 255, 255, 0) 70%),
  linear-gradient(160deg, var(--gold-soft) 0%, #F8F3EA 100%); }
.contact-intro .kicker { font-family: var(--serif-en); font-style: italic; font-size: 18px; letter-spacing: .06em; font-weight: 500; }
.contact-intro p:not(.kicker) { color: var(--ink-2); margin-top: 14px; }
.contact-intro a { font-weight: 500; }
.contact-note { font-size: 13.5px; color: var(--muted) !important; margin-top: 28px !important; }
.contact-form { display: grid; grid-template-columns: 1fr 1fr; gap: 18px 20px; }
.field { display: flex; flex-direction: column; gap: 6px; min-width: 0; margin: 0; padding: 0; border: 0; }
.field.full { grid-column: 1 / -1; }
.field label, .field legend { font-size: 14px; color: var(--ink-2); font-weight: 500; padding: 0; }
.field label span { color: var(--gold-deep); }
.field input, .field textarea { font: inherit; font-size: 15.5px; color: var(--ink); background: rgba(255, 255, 255, .85); border: 1px solid #DDD2BF; border-radius: 12px; padding: 12px 14px; width: 100%; transition: border-color .2s ease, box-shadow .2s ease; }
.field textarea { resize: vertical; min-height: 128px; line-height: 1.7; }
.field input:focus, .field textarea:focus { outline: none; border-color: var(--gold); box-shadow: 0 0 0 3px rgba(176, 141, 87, .18); }
.field [aria-invalid="true"] { border-color: #B4544A; box-shadow: 0 0 0 3px rgba(180, 84, 74, .14); }
.chips { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 4px; }
.chips label { cursor: pointer; position: relative; }
.chips input { position: absolute; left: 0; top: 0; width: 1px; height: 1px; padding: 0; opacity: 0; pointer-events: none; }
.chips span { display: inline-block; padding: 8px 18px; border-radius: 999px; border: 1px solid #DDD2BF; background: rgba(255, 255, 255, .85); font-size: 14.5px; color: var(--ink-2); transition: all .2s ease; }
.chips input:checked + span { background: var(--ink); border-color: var(--ink); color: #fff; }
.chips input:focus-visible + span { outline: 2px solid var(--gold); outline-offset: 2px; }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.form-foot { flex-direction: row; align-items: center; gap: 18px; flex-wrap: wrap; }
.form-foot .btn { border: 0; cursor: pointer; font-family: inherit; }
.form-foot .btn:disabled { opacity: .6; cursor: wait; }
.form-status { font-size: 14.5px; color: var(--ink-2); }
.form-status.ok { color: #3F6B52; }
.form-status.err { color: #A2463D; }
@media (max-width: 960px) {
  .contact-card { grid-template-columns: 1fr; gap: 36px; padding: 48px 36px; }
}
@media (max-width: 640px) {
  .contact-card { padding: 36px 22px; border-radius: 22px; }
  .contact-form { grid-template-columns: 1fr; }
}