/* 見遠知行顧問有限公司 — 東方人文風格：紙 · 墨 · 朱砂印 */

:root {
  --paper: #F7F2E7;
  --paper-deep: #EFE8D6;
  --card: #FBF7EC;
  --ink: #241E15;
  --ink-soft: #5B5342;
  --ink-faint: #8B8169;
  --cinnabar: #A93B26;
  --cinnabar-deep: #8C2E1C;
  --hair: #DDD2B8;
  --hair-strong: #C6B995;
  --band: #221C13;
  --band-txt: #EFE7D2;
  --band-faint: #B0A587;
  --serif: "Noto Serif TC", "Source Han Serif TC", "Songti TC", PMingLiU, serif;
  --sans: "Noto Sans TC", "Microsoft JhengHei", "PingFang TC", sans-serif;
  --kai: "LXGW WenKai TC", "Kaiti TC", DFKai-SB, KaiTi, var(--serif);
  --fs-hero: clamp(2.3rem, 4.8vw, 3.55rem);
  --fs-h2: clamp(1.5rem, 2.6vw, 1.95rem);
  --wrap: 1120px;
  --pad-x: clamp(20px, 4.5vw, 48px);
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  font-family: var(--sans);
  font-size: 1.0625rem;
  line-height: 1.95;
  color: var(--ink);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

::selection { background: var(--cinnabar); color: var(--paper); }

img, svg { max-width: 100%; height: auto; display: block; }

a { color: inherit; text-decoration: none; }
p a, li a, .prose a {
  border-bottom: 1px solid rgba(169, 59, 38, 0.45);
  transition: color .2s, border-color .2s;
}
p a:hover, li a:hover, .prose a:hover { color: var(--cinnabar); border-color: var(--cinnabar); }

:focus-visible { outline: 2px solid var(--cinnabar); outline-offset: 3px; }

.skip {
  position: absolute; left: -9999px; top: 0; z-index: 100;
  background: var(--ink); color: var(--paper); padding: 10px 18px; font-size: .9rem;
}
.skip:focus { left: 12px; top: 12px; }

.wrap { max-width: var(--wrap); margin-inline: auto; padding-inline: var(--pad-x); }

/* ---------- 印章 ---------- */
.seal {
  display: inline-flex; background: var(--cinnabar); color: #F8F1E1;
  padding: .14em; border-radius: .1em; font-family: var(--kai);
  line-height: 1; flex: none; user-select: none;
}
.seal-in {
  border: 1px solid rgba(248, 241, 225, 0.72);
  padding: .22em .18em; display: flex; flex-direction: column; align-items: center;
  gap: .12em; border-radius: .06em;
}
.seal i { font-style: normal; display: block; }
.seal--nav { font-size: 12px; }
.seal--hero { font-size: 21px; transform: rotate(-4deg); box-shadow: 0 1px 0 rgba(36,30,21,.12); }
.seal--foot { font-size: 13px; }
.seal--sign { font-size: 15px; transform: rotate(-3deg); }

@keyframes stamp {
  0% { opacity: 0; transform: scale(1.7) rotate(-11deg); }
  62% { opacity: 1; transform: scale(.93) rotate(-3deg); }
  100% { opacity: 1; transform: scale(1) rotate(-4deg); }
}
.js .seal--hero { animation: stamp .55s cubic-bezier(.2,.7,.3,1.2) .55s both; }
@media (prefers-reduced-motion: reduce) { .js .seal--hero { animation: none; } }

/* ---------- 頁首 ---------- */
.site-head {
  position: sticky; top: 0; z-index: 60; background: var(--paper);
  border-bottom: 1px solid transparent; transition: border-color .25s;
}
.site-head.scrolled { border-bottom-color: var(--hair); }
.head-bar { display: flex; align-items: center; gap: 28px; height: 72px; }

.brand { display: flex; align-items: center; gap: 12px; margin-right: auto; }
.brand-txt { display: flex; flex-direction: column; line-height: 1.25; }
.brand-txt strong { font-family: var(--serif); font-weight: 600; font-size: 1.12rem; letter-spacing: .14em; }
.brand-txt small {
  font-family: var(--sans); font-size: .58rem; letter-spacing: .3em;
  color: var(--ink-faint); text-transform: uppercase;
}

.site-nav { display: flex; align-items: center; gap: clamp(16px, 2.4vw, 30px); }
.site-nav a {
  font-size: .92rem; letter-spacing: .08em; color: var(--ink-soft);
  padding: 4px 0; border-bottom: 2px solid transparent; transition: color .2s, border-color .2s;
}
.site-nav a:hover { color: var(--ink); }
.site-nav a[aria-current="page"] { color: var(--ink); border-bottom-color: var(--cinnabar); }
.site-nav .lang {
  border: 1px solid var(--hair-strong); padding: 3px 12px; font-size: .8rem;
  letter-spacing: .12em; color: var(--ink-soft); border-radius: 2px;
}
.site-nav .lang:hover { border-color: var(--ink); color: var(--ink); }

.nav-toggle {
  display: none; background: none; border: 1px solid var(--hair-strong); border-radius: 2px;
  width: 42px; height: 38px; cursor: pointer; position: relative;
}
.nav-toggle span, .nav-toggle::before, .nav-toggle::after {
  content: ""; display: block; width: 18px; height: 2px; background: var(--ink);
  margin: 3px auto; transition: transform .25s, opacity .2s;
}
.nav-open .nav-toggle::before { transform: translateY(5px) rotate(45deg); }
.nav-open .nav-toggle span { opacity: 0; }
.nav-open .nav-toggle::after { transform: translateY(-5px) rotate(-45deg); }

@media (max-width: 880px) {
  .nav-toggle { display: block; }
  .site-nav {
    display: none; position: absolute; left: 0; right: 0; top: 72px;
    background: var(--paper); border-bottom: 1px solid var(--hair);
    flex-direction: column; align-items: stretch; padding: 10px var(--pad-x) 26px; gap: 0;
  }
  .site-nav a { padding: 13px 2px; border-bottom: 1px solid var(--hair); font-size: 1rem; }
  .site-nav a[aria-current="page"] { border-bottom-color: var(--hair); color: var(--cinnabar); }
  .site-nav .lang { margin-top: 18px; text-align: center; padding: 9px; border: 1px solid var(--hair-strong); }
  .nav-open .site-nav { display: flex; }
}

/* ---------- 章節通用 ---------- */
.sec { padding-block: clamp(64px, 9vw, 108px); }
.sec--deep { background: var(--paper-deep); }
.sec--tight { padding-block: clamp(48px, 7vw, 80px); }

.eyebrow {
  font-size: .78rem; letter-spacing: .34em; color: var(--cinnabar);
  margin-bottom: 14px; font-weight: 500;
}
h1, h2, h3 { font-family: var(--serif); font-weight: 600; line-height: 1.5; }
.sec-head h2 { font-size: var(--fs-h2); letter-spacing: .04em; }
.sec-head { margin-bottom: clamp(36px, 5vw, 56px); }
.sec-head .lede { margin-top: 14px; }

/* 文武線：粗細雙線，取自線裝書框欄 */
.rule-duo { margin-top: 22px; }
.rule-duo::before { content: ""; display: block; width: 54px; height: 3px; background: var(--ink); }
.rule-duo::after { content: ""; display: block; width: 100%; height: 1px; background: var(--hair); margin-top: 5px; }

.lede { color: var(--ink-soft); max-width: 40em; }

/* ---------- 首頁 Hero ---------- */
.hero { padding-block: clamp(56px, 9vw, 120px) clamp(56px, 8vw, 100px); }
.hero-grid {
  display: grid; grid-template-columns: minmax(0, 1fr) auto;
  gap: clamp(36px, 7vw, 110px); align-items: stretch;
}
.hero h1 { font-size: var(--fs-hero); letter-spacing: .05em; line-height: 1.42; font-weight: 600; }
.hero .lede { margin-top: 26px; font-size: 1.08rem; }
.hero-cta { margin-top: 40px; display: flex; align-items: center; gap: 26px; flex-wrap: wrap; }
.hero-scope {
  margin-top: 54px; padding-top: 20px; border-top: 1px solid var(--hair);
  font-size: .88rem; letter-spacing: .1em; color: var(--ink-faint);
}
.hero-scope b { color: var(--ink-soft); font-weight: 500; }

.motto-col { display: flex; flex-direction: column; align-items: center; gap: 26px; }
.motto-v {
  writing-mode: vertical-rl; font-family: var(--kai); font-size: 1.6rem;
  letter-spacing: .42em; color: var(--ink); flex: 1; min-height: 300px;
  padding-inline: 20px; border-inline: 1px solid var(--hair);
}
.motto-inline { display: none; }

@media (max-width: 760px) {
  .hero-grid { grid-template-columns: 1fr; }
  .motto-col { display: none; }
  .motto-inline {
    display: flex; align-items: center; gap: 14px; margin-bottom: 30px;
    font-family: var(--kai); font-size: 1.12rem; letter-spacing: .2em; color: var(--ink-soft);
  }
  .motto-inline .seal { font-size: 11px; transform: rotate(-4deg); }
}

/* 內頁小 Hero */
.page-hero { padding-block: clamp(52px, 7vw, 88px) clamp(40px, 5vw, 64px); border-bottom: 1px solid var(--hair); }
.page-hero h1 { font-size: clamp(1.9rem, 3.6vw, 2.7rem); letter-spacing: .05em; }
.page-hero .lede { margin-top: 18px; }

/* ---------- 按鈕 ---------- */
.btn {
  display: inline-block; font-family: var(--sans); font-weight: 500; font-size: .95rem;
  letter-spacing: .12em; padding: 13px 32px; border-radius: 2px;
  transition: background .2s, color .2s, border-color .2s, transform .15s;
}
.btn:active { transform: translateY(1px); }
.btn-primary { background: var(--cinnabar); color: #FAF4E6; }
.btn-primary:hover { background: var(--cinnabar-deep); }
.btn-ghost { border: 1px solid var(--ink); color: var(--ink); }
.btn-ghost:hover { background: var(--ink); color: var(--paper); }
.link-arrow { font-size: .95rem; letter-spacing: .1em; color: var(--ink); border-bottom: 1px solid var(--hair-strong); padding-bottom: 2px; transition: color .2s, border-color .2s; }
.link-arrow:hover { color: var(--cinnabar); border-color: var(--cinnabar); }

/* ---------- 名字寓意 ---------- */
.name-grid { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(28px, 4vw, 56px); }
.name-item { display: flex; gap: clamp(18px, 2.5vw, 30px); align-items: flex-start; }
.name-char {
  font-family: var(--kai); font-size: clamp(3rem, 5vw, 4rem); line-height: 1.15;
  writing-mode: vertical-rl; letter-spacing: .18em; color: var(--ink); flex: none;
  border-right: 1px solid var(--hair); padding-right: clamp(14px, 2vw, 22px);
}
.name-item h3 { font-size: 1.15rem; letter-spacing: .1em; margin-bottom: 8px; }
.name-item p { color: var(--ink-soft); font-size: .98rem; }
.name-note { margin-top: clamp(30px, 4vw, 44px); color: var(--ink-faint); font-family: var(--kai); letter-spacing: .14em; }
@media (max-width: 720px) { .name-grid { grid-template-columns: 1fr; } }

/* ---------- 卡片 ---------- */
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: clamp(16px, 2.4vw, 28px); }
@media (max-width: 900px) { .grid-3 { grid-template-columns: 1fr; } }

.card {
  background: var(--card); border: 1px solid var(--hair); border-radius: 3px;
  padding: clamp(26px, 3vw, 38px); display: flex; flex-direction: column;
  transition: border-color .25s, transform .25s;
}
.card:hover { border-color: var(--hair-strong); transform: translateY(-3px); }
.card-char {
  width: 44px; height: 44px; border: 1px solid var(--cinnabar); border-radius: 2px;
  color: var(--cinnabar); font-family: var(--kai); font-size: 1.35rem;
  display: flex; align-items: center; justify-content: center; margin-bottom: 22px;
}
.card h3 { font-size: 1.22rem; letter-spacing: .08em; margin-bottom: 12px; }
.card p { color: var(--ink-soft); font-size: .97rem; flex: 1; }
.card .link-arrow { margin-top: 24px; align-self: flex-start; }
.card-tag {
  display: inline-block; width: fit-content;
  font-size: .7rem; letter-spacing: .22em; color: var(--cinnabar);
  border: 1px solid rgba(169, 59, 38, .4); padding: 2px 10px; border-radius: 2px;
  align-self: flex-start; margin-bottom: 16px;
}

/* ---------- 方法論 ---------- */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); border-block: 1px solid var(--hair); }
.step { padding: clamp(28px, 3.4vw, 44px) clamp(18px, 2.4vw, 32px); border-left: 1px solid var(--hair); }
.step:first-child { border-left: none; }
.step p.step-char { font-family: var(--kai); font-size: clamp(2.4rem, 4vw, 3.2rem); line-height: 1.2; color: var(--ink); margin-top: 0; }
.step h3 { font-size: 1.05rem; letter-spacing: .12em; margin-top: 14px; }
.step h3 small { display: block; font-family: var(--sans); font-weight: 400; font-size: .68rem; letter-spacing: .26em; color: var(--ink-faint); margin-top: 4px; text-transform: uppercase; }
.step p { font-size: .92rem; color: var(--ink-soft); margin-top: 12px; line-height: 1.85; }
@media (max-width: 880px) {
  .steps { grid-template-columns: 1fr 1fr; }
  .step { border-left: none; border-top: 1px solid var(--hair); }
  .step:nth-child(-n+2) { border-top: none; }
  .step:nth-child(even) { border-left: 1px solid var(--hair); }
}
@media (max-width: 480px) {
  .steps { grid-template-columns: 1fr; }
  .step { border-left: none !important; border-top: 1px solid var(--hair); }
  .step:first-child { border-top: none; }
}

/* ---------- 墨色宣言帶 ---------- */
.band { background: var(--band); color: var(--band-txt); padding-block: clamp(72px, 10vw, 120px); }
.band-quote {
  font-family: var(--kai); font-size: clamp(1.35rem, 3vw, 2.05rem);
  line-height: 2.1; letter-spacing: .1em; max-width: 30em;
}
.band-src { margin-top: 30px; font-size: .88rem; letter-spacing: .18em; color: var(--band-faint); }

/* ---------- 洞察列表 ---------- */
.insight-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: clamp(20px, 3vw, 36px); }
@media (max-width: 900px) { .insight-grid { grid-template-columns: 1fr; } }
.insight-item { border-top: 2px solid var(--ink); padding-top: 20px; display: flex; flex-direction: column; }
.insight-meta, .insight-item p.insight-meta {
  font-size: .8rem; letter-spacing: .16em; color: var(--ink-faint);
  margin: 0 0 12px; flex: none;
}
.insight-item h3 { font-size: 1.16rem; letter-spacing: .05em; line-height: 1.6; }
.insight-item h3 a { border: none; }
.insight-item h3 a:hover { color: var(--cinnabar); }
.insight-item p { color: var(--ink-soft); font-size: .94rem; margin-top: 10px; flex: 1; }
.insight-item .link-arrow { margin-top: 18px; align-self: flex-start; }
.insight-more { margin-top: clamp(32px, 4vw, 48px); }

.insight-list .insight-item { max-width: 760px; margin-bottom: clamp(36px, 5vw, 52px); }
.insight-list .insight-item:last-child { margin-bottom: 0; }

/* ---------- 文章 ---------- */
.article-head { max-width: 760px; }
.article-head h1 { font-size: clamp(1.7rem, 3.2vw, 2.4rem); line-height: 1.6; letter-spacing: .04em; }
.prose { max-width: 720px; }
.prose > * + * { margin-top: 1.35em; }
.prose h2 { font-size: 1.32rem; letter-spacing: .06em; margin-top: 2.4em; }
.prose p, .prose li { color: #3A3325; }
.prose ul, .prose ol { padding-left: 1.4em; }
.prose li + li { margin-top: .5em; }
.prose blockquote {
  font-family: var(--kai); font-size: 1.08rem; letter-spacing: .06em;
  border-left: 3px solid var(--ink); padding: .2em 0 .2em 1.4em; color: var(--ink);
}
.article-sign {
  margin-top: clamp(48px, 6vw, 64px); padding-top: 28px; border-top: 1px solid var(--hair);
  display: flex; align-items: center; gap: 16px; color: var(--ink-faint);
  font-family: var(--kai); letter-spacing: .16em; font-size: .95rem;
}
.article-back { margin-top: 40px; }

/* ---------- 服務詳情 ---------- */
.svc-block { padding-block: clamp(48px, 6vw, 72px); border-top: 1px solid var(--hair); scroll-margin-top: 96px; }
.svc-block:first-of-type { border-top: none; }
.svc-grid { display: grid; grid-template-columns: minmax(0, .82fr) minmax(0, 1.5fr); gap: clamp(28px, 5vw, 72px); }
@media (max-width: 820px) { .svc-grid { grid-template-columns: 1fr; } }
.svc-side h2 { font-size: clamp(1.4rem, 2.4vw, 1.75rem); letter-spacing: .06em; }
.svc-side .svc-en { font-size: .72rem; letter-spacing: .3em; color: var(--ink-faint); text-transform: uppercase; margin-top: 10px; }
.svc-side .card-char { margin-bottom: 18px; }
.svc-main .svc-intro { color: var(--ink-soft); }
.svc-list { list-style: none; margin-top: 26px; }
.svc-list li { padding: 16px 0 16px 26px; border-top: 1px solid var(--hair); position: relative; }
.svc-list li::before {
  content: ""; position: absolute; left: 2px; top: 30px;
  width: 7px; height: 7px; background: var(--cinnabar);
}
.svc-list b { display: block; font-weight: 500; letter-spacing: .04em; }
.svc-list span { color: var(--ink-soft); font-size: .93rem; }
.svc-fit { margin-top: 26px; padding: 20px 24px; background: var(--paper-deep); border-radius: 3px; font-size: .95rem; color: var(--ink-soft); }
.svc-fit b { color: var(--ink); font-weight: 500; }

/* ---------- 資料表 / 聯絡 ---------- */
.fact-list { border-top: 1px solid var(--hair); max-width: 760px; }
.fact-list > div { display: grid; grid-template-columns: 170px 1fr; gap: 18px; padding: 15px 0; border-bottom: 1px solid var(--hair); }
.fact-list dt { color: var(--ink-faint); font-size: .9rem; letter-spacing: .08em; }
.fact-list dd { font-size: .98rem; }
@media (max-width: 560px) { .fact-list > div { grid-template-columns: 1fr; gap: 2px; } }

.contact-grid { display: grid; grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr); gap: clamp(32px, 5vw, 72px); align-items: start; }
@media (max-width: 820px) { .contact-grid { grid-template-columns: 1fr; } }
.contact-note { margin-top: 30px; font-size: .92rem; color: var(--ink-faint); }

.qr-card {
  background: var(--card); border: 1px solid var(--hair); border-radius: 3px;
  padding: clamp(24px, 3vw, 34px); text-align: center;
}
.qr-card img { width: min(230px, 62vw); margin: 18px auto 6px; border: 1px solid var(--hair); padding: 12px; background: #fff; border-radius: 2px; }
.qr-card h3 { font-size: 1.05rem; letter-spacing: .1em; }
.qr-card p { font-size: .88rem; color: var(--ink-faint); }
.qr-card .btn { margin-top: 18px; }

/* ---------- CTA 帶 ---------- */
.cta-band { background: var(--paper-deep); border-block: 1px solid var(--hair); }
.cta-inner { display: flex; align-items: center; justify-content: space-between; gap: 28px; flex-wrap: wrap; }
.cta-inner h2 { font-size: clamp(1.35rem, 2.4vw, 1.8rem); letter-spacing: .05em; }
.cta-inner p { color: var(--ink-soft); margin-top: 8px; max-width: 34em; }

/* ---------- 頁尾 ---------- */
.site-foot { border-top: 2px solid var(--ink); position: relative; padding-block: clamp(48px, 6vw, 72px) 34px; }
.site-foot::before { content: ""; position: absolute; top: 3px; left: 0; right: 0; height: 1px; background: var(--hair-strong); }
.foot-grid { display: grid; grid-template-columns: 1.4fr 1fr 1.2fr; gap: clamp(28px, 4vw, 56px); }
@media (max-width: 820px) { .foot-grid { grid-template-columns: 1fr; } }
.foot-brand { display: flex; gap: 14px; align-items: flex-start; }
.foot-brand-txt strong { font-family: var(--serif); letter-spacing: .12em; font-size: 1.06rem; display: block; }
.foot-brand-txt span { font-size: .8rem; color: var(--ink-faint); letter-spacing: .04em; display: block; margin-top: 4px; }
.foot-motto { margin-top: 16px; font-family: var(--kai); color: var(--ink-soft); letter-spacing: .2em; font-size: .95rem; }
.foot-col h3 { font-size: .8rem; letter-spacing: .3em; color: var(--ink-faint); font-family: var(--sans); font-weight: 500; margin-bottom: 16px; }
.foot-col ul { list-style: none; }
.foot-col li { margin-bottom: 10px; }
.foot-col a { font-size: .93rem; color: var(--ink-soft); }
.foot-col a:hover { color: var(--cinnabar); }
.foot-col p { font-size: .93rem; color: var(--ink-soft); }
.foot-base {
  margin-top: clamp(36px, 5vw, 52px); padding-top: 20px; border-top: 1px solid var(--hair);
  display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap;
  font-size: .8rem; color: var(--ink-faint); letter-spacing: .04em;
}
.foot-base a { color: var(--ink-faint); border-bottom: 1px solid var(--hair); }
.foot-base a:hover { color: var(--cinnabar); border-color: var(--cinnabar); }

/* ---------- 進場動效（只作用於頁首區，純 CSS，不依賴 JS 顯示內容） ---------- */
@keyframes rise {
  from { opacity: 0; transform: translateY(14px); }
  to { opacity: 1; transform: none; }
}
.js .hero .reveal, .js .page-hero .reveal { animation: rise .65s ease both; }
.js .hero .reveal-d1, .js .page-hero .reveal-d1 { animation-delay: .12s; }
.js .hero .reveal-d2, .js .page-hero .reveal-d2 { animation-delay: .22s; }
@media (prefers-reduced-motion: reduce) {
  .js .hero .reveal, .js .page-hero .reveal { animation: none; }
}

/* ---------- 404 ---------- */
.err-wrap { min-height: 55vh; display: flex; flex-direction: column; justify-content: center; }
.err-wrap h1 { font-size: clamp(2rem, 4vw, 3rem); }
.err-wrap p { margin-top: 16px; color: var(--ink-soft); }
.err-wrap .btn { margin-top: 30px; align-self: flex-start; }