/* ═══════════════════════════════════════════════════════════════
   胡佩珊中醫師 — 女性中醫健康資訊平台
   風格：高級奶油風・治癒系（米白底 × 奶茶棕 × 淡金）
   ═══════════════════════════════════════════════════════════════ */

:root {
  /* 色彩 */
  --cream:       #FAF7F0;   /* 奶油底 */
  --cream-deep:  #F3EDE2;   /* 深一階奶油 */
  --ivory:       #FFFDF9;   /* 卡片象牙白 */
  --cocoa:       #4A4038;   /* 深可可（主文字） */
  --cocoa-soft:  #857A6E;   /* 淺可可（輔文字） */
  --taupe:       #A98D72;   /* 奶茶棕（主點綴） */
  --taupe-deep:  #8A6F55;
  --taupe-mist:  #F0E8DB;
  --gold:        #C9AC80;   /* 淡金 */
  --gold-soft:   #EFE5D2;
  --blush:       #E9DCD2;   /* 溫柔膚調 */
  --line:        #E9E0D0;
  --white:       #FFFFFF;

  /* 字體 */
  --font-display: 'Noto Serif TC', serif;
  --font-body:    'Noto Sans TC', sans-serif;
  --font-accent:  'LXGW WenKai TC', 'Noto Serif TC', serif;

  /* 其他 */
  --radius: 14px;
  --radius-lg: 22px;
  --shadow: 0 3px 16px rgba(105, 88, 66, 0.07);
  --shadow-hover: 0 16px 40px rgba(105, 88, 66, 0.14);
  --maxw: 1120px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 84px; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
}

body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.9;
  color: var(--cocoa);
  background: var(--cream);
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { color: inherit; }

.container { max-width: var(--maxw); margin: 0 auto; padding: 0 clamp(1.25rem, 4vw, 2.5rem); }
.section { padding: clamp(4rem, 8vw, 6.5rem) 0; }
.text-center { text-align: center; }

/* ── 簽名元素：金線 ───────────────────────────────── */
.gold-thread {
  display: inline-flex; align-items: center; gap: 6px;
  margin: 1rem 0 0;
}
.gold-thread::before {
  content: ''; width: 46px; height: 2px; border-radius: 2px;
  background: linear-gradient(90deg, var(--taupe), var(--gold));
}
.gold-thread::after {
  content: ''; width: 6px; height: 6px; border-radius: 50%;
  background: var(--gold);
}

/* ── 導覽列 ─────────────────────────────────────────── */
.nav {
  position: sticky; top: 0; z-index: 100;
  background: rgba(250, 247, 240, 0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.nav-inner {
  max-width: var(--maxw); margin: 0 auto;
  padding: 0.85rem clamp(1.25rem, 4vw, 2.5rem);
  display: flex; align-items: center; justify-content: space-between; gap: 1rem;
  position: relative;
}
.nav-logo { text-decoration: none; line-height: 1.3; }
.nav-logo .logo-name {
  font-family: var(--font-display); font-weight: 700;
  font-size: 1.15rem; color: var(--cocoa); display: block;
}
.nav-logo .logo-sub {
  font-size: 0.7rem; letter-spacing: 0.16em; color: var(--cocoa-soft); display: block;
}
.nav-links { display: flex; align-items: center; gap: clamp(0.9rem, 2.2vw, 1.7rem); }
.nav-links a {
  text-decoration: none; font-size: 0.92rem; font-weight: 500;
  color: var(--cocoa-soft); padding: 0.35rem 0;
  border-bottom: 2px solid transparent;
  transition: color 0.2s, border-color 0.2s;
}
.nav-links a:hover { color: var(--taupe-deep); border-color: var(--gold); }
.nav-links a:focus-visible { outline: 2px solid var(--taupe); outline-offset: 3px; }
.nav-cta {
  background: var(--taupe); color: var(--white) !important;
  padding: 0.55rem 1.25rem !important; border-radius: 999px;
  border-bottom: none !important;
  transition: background 0.2s, transform 0.2s;
}
.nav-cta:hover { background: var(--taupe-deep); transform: translateY(-1px); }
.lang-switch {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  margin-left: 0.15rem;
  padding: 0.2rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255,255,255,0.68);
  color: var(--cocoa-soft);
  font-size: 0.78rem;
  white-space: nowrap;
}
.lang-switch button {
  border: 0;
  background: transparent;
  color: inherit;
  cursor: pointer;
  padding: 0.22rem 0.42rem;
  border-radius: 999px;
  font-weight: 600;
}
.lang-switch button.active {
  background: var(--taupe);
  color: var(--white);
}
.nav-toggle {
  display: none; flex-direction: column; gap: 5px;
  background: none; border: none; cursor: pointer; padding: 6px;
}
.nav-toggle span { width: 22px; height: 2px; background: var(--cocoa); border-radius: 2px; }

/* ── 按鈕 ─────────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 0.5rem;
  padding: 0.9rem 2rem; border-radius: 999px;
  font-family: var(--font-body); font-size: 0.98rem; font-weight: 700;
  text-decoration: none; border: none; cursor: pointer;
  transition: transform 0.2s, box-shadow 0.2s, background 0.2s;
}
.btn:focus-visible { outline: 2px solid var(--taupe); outline-offset: 3px; }
.btn-primary {
  background: linear-gradient(135deg, var(--taupe), var(--taupe-deep));
  color: var(--white);
  box-shadow: 0 6px 18px rgba(138, 111, 85, 0.3);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 10px 26px rgba(138, 111, 85, 0.38); }
.btn-outline {
  background: var(--ivory); color: var(--taupe-deep);
  border: 1.5px solid var(--gold); box-shadow: none;
}
.btn-outline:hover { background: var(--gold-soft); transform: translateY(-2px); }

/* ── Hero ─────────────────────────────────────────── */
.hero-wrap {
  border-bottom: 1px solid var(--line);
  background:
    radial-gradient(55% 85% at 88% 8%, var(--gold-soft) 0%, transparent 58%),
    radial-gradient(50% 75% at 5% 95%, var(--blush) 0%, transparent 50%),
    var(--cream);
  overflow: hidden;
}
.hero {
  max-width: var(--maxw); margin: 0 auto;
  padding: clamp(3.5rem, 7vw, 5.5rem) clamp(1.25rem, 4vw, 2.5rem);
  display: grid; grid-template-columns: 1.1fr 0.9fr;
  gap: clamp(2rem, 5vw, 4rem); align-items: center;
}
.hero-eyebrow {
  font-family: var(--font-accent);
  font-size: 1rem; letter-spacing: 0.24em;
  color: var(--taupe-deep); margin-bottom: 1.1rem;
}
.hero-title {
  font-family: var(--font-display); font-weight: 700;
  font-size: clamp(2rem, 4.5vw, 3.1rem);
  line-height: 1.4; letter-spacing: 0.01em;
  color: var(--cocoa);
}
.hero-title em {
  font-style: normal; color: var(--taupe-deep);
  background: linear-gradient(transparent 70%, var(--gold-soft) 70%);
}
.hero-desc {
  font-size: 1.05rem; color: var(--cocoa-soft);
  max-width: 32em; margin: 1.5rem 0 2.2rem;
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 0.9rem; align-items: center; }
.hero-note { margin-top: 1.5rem; font-size: 0.85rem; color: var(--cocoa-soft); }

/* ── Hero 右側：裝飾插畫（山茶與圓月） ─────────────── */
.hero-art { max-width: 470px; margin: 0 auto; }
.hero-art svg { display: block; width: 100%; height: auto; }
.ha-bloom { transform-origin: 240px 250px; animation: haBreathe 9s ease-in-out infinite; }
.ha-sway { transform-origin: 92px 476px; animation: haSway 11s ease-in-out infinite; }
.ha-bud { animation: haDrift 8s ease-in-out infinite; }
@keyframes haBreathe {
  0%, 100% { transform: scale(1) rotate(0deg); }
  50% { transform: scale(1.035) rotate(2deg); }
}
@keyframes haSway {
  0%, 100% { transform: rotate(0deg); }
  50% { transform: rotate(1.4deg); }
}
@keyframes haDrift {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-7px); }
}

/* ── 區塊標題 ─────────────────────────────────────── */
.section-tag {
  font-family: var(--font-accent);
  display: inline-block; font-size: 0.95rem; letter-spacing: 0.22em;
  color: var(--taupe); margin-bottom: 0.7rem;
}
.section-title {
  font-family: var(--font-display); font-weight: 700;
  font-size: clamp(1.55rem, 3.2vw, 2.1rem);
  line-height: 1.45; color: var(--cocoa);
}
.section-sub {
  font-size: 1rem; color: var(--cocoa-soft);
  max-width: 40em; margin: 1.1rem auto 0;
}

/* ── 服務項目（生命階段／困擾） ───────────────────── */
.journey-track {
  display: flex; flex-wrap: wrap; justify-content: center;
  gap: 1.1rem; margin-top: 2.8rem;
}
.sj-card {
  flex: 0 1 calc((100% - 2.2rem) / 3);
  min-width: 250px;
  text-align: center; text-decoration: none; display: block;
  background: var(--ivory);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 1.9rem 1.4rem 1.6rem;
  box-shadow: var(--shadow);
  position: relative; overflow: hidden;
  transition: transform 0.3s cubic-bezier(0.34, 1.3, 0.64, 1), box-shadow 0.3s, border-color 0.2s;
}
.sj-card::after {
  content: ''; position: absolute; left: 50%; bottom: 0;
  transform: translateX(-50%) scaleX(0);
  width: 56px; height: 3px; border-radius: 3px 3px 0 0;
  background: linear-gradient(90deg, var(--taupe), var(--gold));
  transition: transform 0.25s ease;
}
.sj-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-hover); border-color: var(--gold); }
.sj-card:hover::after { transform: translateX(-50%) scaleX(1); }
.sj-card:focus-visible { outline: 2px solid var(--taupe); outline-offset: 3px; }
.sj-icon-badge {
  width: 62px; height: 62px; border-radius: 50%;
  background: var(--acc, var(--taupe-mist));
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 1rem;
  transition: transform 0.3s cubic-bezier(0.34, 1.3, 0.64, 1);
}
.sj-card:hover .sj-icon-badge { transform: scale(1.08); }
.sj-icon { font-size: 1.7rem; }
.sj-name {
  font-family: var(--font-display);
  font-size: 1.08rem; font-weight: 700; color: var(--cocoa);
  margin-bottom: 0.25rem;
}
.sj-age { font-size: 0.8rem; color: var(--taupe-deep); letter-spacing: 0.04em; margin-bottom: 0.9rem; }
.sj-conditions { display: flex; flex-wrap: wrap; justify-content: center; gap: 0.4rem; }
.sj-cond {
  font-size: 0.76rem; color: var(--cocoa-soft);
  background: var(--cream); border: 1px solid var(--line);
  padding: 0.14rem 0.6rem; border-radius: 999px;
}

/* ── 治療項目 ─────────────────────────────────────── */
.svc-section { background: var(--ivory); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.svc-grid {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 1.2rem; margin-top: 2.8rem;
}
.svc-card {
  background: var(--cream);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 1.7rem 1.5rem;
  text-decoration: none; display: block;
  position: relative; overflow: hidden;
  transition: transform 0.3s cubic-bezier(0.34, 1.3, 0.64, 1), box-shadow 0.3s, background 0.3s;
}
.svc-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-hover); background: var(--gold-soft); }
.svc-card:focus-visible { outline: 2px solid var(--taupe); outline-offset: 3px; }
.svc-head { display: flex; align-items: center; gap: 0.8rem; margin-bottom: 0.7rem; }
.svc-icon {
  width: 46px; height: 46px; flex: 0 0 46px; border-radius: 13px;
  background: var(--ivory); border: 1px solid var(--line);
  display: flex; align-items: center; justify-content: center; font-size: 1.3rem;
}
.svc-name { font-family: var(--font-display); font-size: 1.06rem; font-weight: 700; color: var(--cocoa); }
.svc-desc { font-size: 0.88rem; color: var(--cocoa-soft); line-height: 1.8; }
.svc-more {
  display: inline-block; margin-top: 0.9rem;
  font-size: 0.83rem; font-weight: 700; color: var(--taupe-deep);
}

/* ── 健康評估 ─────────────────────────────────────── */
.assess-section {
  background:
    radial-gradient(60% 100% at 50% 0%, var(--gold-soft) 0%, transparent 60%),
    var(--cream-deep);
}
.assess-grid {
  display: grid; grid-template-columns: repeat(2, 1fr);
  gap: clamp(1.2rem, 3vw, 2rem); margin-top: 3rem;
}
.assess-card {
  background: var(--ivory); border-radius: var(--radius-lg);
  border: 1px solid var(--line);
  padding: 2.2rem 2rem 2rem;
  display: flex; flex-direction: column;
  box-shadow: var(--shadow);
  transition: transform 0.3s cubic-bezier(0.34, 1.3, 0.64, 1), box-shadow 0.3s;
}
.assess-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-hover); }
.assess-head { display: flex; align-items: center; gap: 1rem; margin-bottom: 1.1rem; }
.assess-icon {
  width: 54px; height: 54px; border-radius: 16px; flex: 0 0 54px;
  display: flex; align-items: center; justify-content: center; font-size: 1.5rem;
  background: var(--taupe-mist);
}
.assess-card--women .assess-icon { background: var(--blush); }
.assess-title { font-family: var(--font-display); font-size: 1.28rem; font-weight: 700; color: var(--cocoa); }
.assess-sub { font-size: 0.8rem; color: var(--cocoa-soft); letter-spacing: 0.04em; }
.assess-desc { font-size: 0.93rem; color: var(--cocoa-soft); margin-bottom: 1.2rem; }
.assess-features { list-style: none; margin-bottom: 1.7rem; flex: 1; }
.assess-features li {
  font-size: 0.9rem; color: var(--cocoa);
  padding: 0.42rem 0 0.42rem 1.6rem; position: relative;
  border-bottom: 1px dashed var(--line);
}
.assess-features li:last-child { border-bottom: none; }
.assess-features li::before {
  content: '❀'; position: absolute; left: 0.1rem;
  color: var(--gold); font-size: 0.85rem;
}
.assess-note {
  margin-top: 2.2rem; text-align: center;
  font-size: 0.85rem; color: var(--cocoa-soft);
}

/* ── 健康文章 ─────────────────────────────────────── */
.articles-section { background: var(--ivory); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.stage-tabs {
  display: flex; flex-wrap: wrap; justify-content: center;
  gap: 0.55rem; margin: 2.4rem 0 2.2rem;
}
.stage-tab {
  font-family: var(--font-body); font-size: 0.88rem; font-weight: 500;
  padding: 0.48rem 1.2rem; border-radius: 999px;
  background: var(--cream); color: var(--cocoa-soft);
  border: 1px solid var(--line); cursor: pointer;
  transition: all 0.2s;
}
.stage-tab:hover { border-color: var(--gold); color: var(--taupe-deep); }
.stage-tab:focus-visible { outline: 2px solid var(--taupe); outline-offset: 2px; }
.stage-tab.active { background: var(--taupe); border-color: var(--taupe); color: var(--white); }

/* ── 健康知識庫：深色頁首（含搜尋框） ── */
.kb-hero {
  background: linear-gradient(160deg, var(--cocoa) 0%, #34291F 100%);
  color: #fff; padding: 64px 24px 52px; text-align: center;
  position: relative; overflow: hidden;
}
.kb-hero::before {
  content: ''; position: absolute; inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Ccircle cx='30' cy='30' r='2'/%3E%3C/g%3E%3C/svg%3E") repeat;
}
.kb-hero-tag {
  position: relative; display: inline-block; font-size: 12px; font-weight: 500;
  letter-spacing: .15em; text-transform: uppercase; color: var(--gold); margin-bottom: 16px;
}
.kb-hero h1 {
  position: relative; font-family: var(--font-display); font-weight: 700;
  font-size: clamp(1.7rem, 4vw, 2.5rem); color: #fff; margin-bottom: 14px;
}
.kb-hero p {
  position: relative; font-size: 15px; color: var(--gold-soft);
  max-width: 480px; margin: 0 auto 28px; line-height: 1.8;
}
.kb-search-wrap { position: relative; max-width: 440px; margin: 0 auto; }
.kb-search-wrap svg { position: absolute; left: 18px; top: 50%; transform: translateY(-50%); width: 16px; height: 16px; color: rgba(255,255,255,.6); pointer-events: none; }
.kb-search-wrap input {
  width: 100%; font-family: var(--font-body); font-size: 14.5px; color: #fff;
  padding: 13px 20px 13px 44px; border: 1px solid rgba(255,255,255,.2); border-radius: 999px;
  background: rgba(255,255,255,.1); backdrop-filter: blur(6px);
  transition: border-color 0.2s, background 0.2s;
}
.kb-search-wrap input::placeholder { color: rgba(255,255,255,.55); }
.kb-search-wrap input:focus { outline: none; border-color: var(--gold); background: rgba(255,255,255,.16); }

/* ── 健康知識庫：篩選列（sticky，分組顯示） ── */
.kb-filter-bar {
  position: sticky; top: 60px; z-index: 60;
  background: var(--ivory); border-bottom: 1px solid var(--line);
  padding: 18px clamp(1.25rem, 4vw, 2.5rem);
}
.kb-filter-inner { max-width: var(--maxw); margin: 0 auto; }
.kb-filter-group { display: flex; align-items: center; flex-wrap: wrap; gap: .6rem; margin-bottom: .65rem; }
.kb-filter-group:last-child { margin-bottom: 0; }
.kb-filter-label {
  font-size: .68rem; font-weight: 700; letter-spacing: .1em; text-transform: uppercase;
  color: var(--cocoa-soft); flex-shrink: 0; min-width: 62px;
}
.kb-filter-count { margin-left: auto; font-size: .74rem; color: var(--cocoa-soft); white-space: nowrap; }
.kb-filter-count strong { color: var(--taupe-deep); }
.stage-tabs, .tag-chips { display: flex; flex-wrap: wrap; gap: .5rem; }
.stage-tab {
  font-family: var(--font-body); font-size: 0.82rem; font-weight: 500;
  padding: 0.4rem 1rem; border-radius: 999px;
  background: var(--cream); color: var(--cocoa-soft);
  border: 1px solid var(--line); cursor: pointer;
  transition: border-color 0.2s, background 0.2s, color 0.2s;
}
.stage-tab:hover { border-color: var(--gold); color: var(--taupe-deep); }
.stage-tab:focus-visible { outline: 2px solid var(--taupe); outline-offset: 2px; }
.stage-tab.active { background: var(--taupe); border-color: var(--taupe); color: var(--white); }
.tag-chip {
  font-family: var(--font-body); font-size: 0.82rem; font-weight: 500;
  padding: 0.4rem 1rem; border-radius: 999px;
  background: var(--cream); color: var(--cocoa-soft);
  border: 1px solid var(--line); cursor: pointer;
  transition: border-color 0.2s, background 0.2s, color 0.2s;
}
.tag-chip:hover { border-color: var(--gold); color: var(--taupe-deep); }
.tag-chip:focus-visible { outline: 2px solid var(--taupe); outline-offset: 2px; }
.tag-chip.active { background: var(--gold-soft); border-color: var(--gold); color: var(--taupe-deep); font-weight: 700; }
@media (max-width: 640px) { .kb-filter-label { display: none; } }

/* ── 健康知識庫：無結果狀態 ── */
.kb-empty { display: none; text-align: center; padding: 3rem 1rem; color: var(--cocoa-soft); font-size: 0.98rem; }
.kb-empty.show { display: block; }

/* ── 首頁精選文章：查看全部 ── */
.kb-viewall { display: flex; justify-content: center; margin-top: 2.6rem; }
.kb-viewall a {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 0.75rem 1.8rem; border-radius: 999px; border: 1px solid var(--taupe);
  color: var(--taupe-deep); font-weight: 600; font-size: 0.92rem; text-decoration: none;
  transition: transform 0.15s, background 0.2s, color 0.2s;
}
.kb-viewall a:hover { background: var(--taupe); color: var(--white); transform: translateY(-2px); }
.kb-viewall a:focus-visible { outline: 2px solid var(--taupe); outline-offset: 3px; }

.articles-grid {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 1.3rem;
}
.article-card {
  --art-c: var(--taupe);
  background: var(--cream); border: 1px solid var(--line);
  border-radius: var(--radius-lg); padding: 1.6rem 1.5rem 1.25rem;
  text-decoration: none; display: flex; flex-direction: column;
  position: relative; overflow: hidden;
  transition: transform 0.3s cubic-bezier(0.34, 1.3, 0.64, 1), box-shadow 0.3s, border-color 0.2s;
}
/* 生命階段對應色（低飽和、同一家族，供卡片頂部細條使用）*/
.article-card[data-stage="adolescent"] { --art-c: #C48A6C; }
.article-card[data-stage="reproductive"] { --art-c: #8CA083; }
.article-card[data-stage="fertility"] { --art-c: var(--gold); }
.article-card[data-stage="pregnancy"] { --art-c: var(--taupe); }
.article-card[data-stage="postpartum"] { --art-c: var(--taupe-deep); }
.article-card[data-stage="menopause"] { --art-c: #9B7A92; }
.article-card[data-stage="postmenopause"] { --art-c: #7C8CA0; }
.article-card::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: var(--art-c);
}
.article-card::after {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: linear-gradient(90deg, var(--taupe), var(--gold));
  transform: scaleX(0); transform-origin: left;
  transition: transform 0.25s ease;
}
.article-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-hover); border-color: var(--gold); }
.article-card:hover::after { transform: scaleX(1); }
.article-card:focus-visible { outline: 2px solid var(--taupe); outline-offset: 3px; }
.art-tags { display: flex; flex-wrap: wrap; gap: .35rem; margin-bottom: .75rem; }
.art-tag-pill {
  font-size: 0.68rem; font-weight: 600; letter-spacing: .02em;
  padding: 0.16rem 0.6rem; border-radius: 999px;
  background: var(--gold-soft); color: var(--taupe-deep);
}
.art-title {
  font-family: var(--font-display); font-size: 1.05rem; font-weight: 700;
  color: var(--cocoa); line-height: 1.6; margin-bottom: 0.55rem;
}
.art-excerpt { font-size: 0.87rem; color: var(--cocoa-soft); line-height: 1.8; flex: 1; }
.art-footer {
  margin-top: 1.1rem; padding-top: 0.85rem;
  border-top: 1px dashed var(--line);
  display: flex; justify-content: space-between; align-items: center;
  font-size: 0.8rem; color: var(--cocoa-soft);
}
.art-read { color: var(--taupe-deep); font-weight: 700; }

/* ── 健康知識庫：底部 CTA 橫幅 ── */
.kb-cta {
  background: linear-gradient(135deg, var(--taupe-mist) 0%, var(--gold-soft) 100%);
  border-radius: var(--radius-lg); padding: 3rem 2.5rem; text-align: center;
  margin-top: 2.8rem;
}
.kb-cta h3 { font-family: var(--font-display); font-size: 1.3rem; color: var(--cocoa); margin-bottom: .6rem; }
.kb-cta p { color: var(--cocoa-soft); margin-bottom: 1.4rem; font-size: .92rem; }

/* ── 關於醫師 ─────────────────────────────────────── */
.about-grid {
  display: grid; grid-template-columns: 0.85fr 1.15fr;
  gap: clamp(2rem, 5vw, 4rem); align-items: start;
}
.about-photo-frame { position: relative; }
.about-photo-frame::after {
  content: ''; position: absolute; inset: 16px -16px -16px 16px;
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, var(--gold-soft), var(--blush));
  z-index: -1;
}
.about-photo {
  aspect-ratio: 4 / 5; border-radius: var(--radius-lg);
  overflow: hidden; position: relative;
  border: 1px solid var(--line);
  box-shadow: var(--shadow-hover);
}
.about-name-row { display: flex; align-items: baseline; gap: 0.7rem; flex-wrap: wrap; }
.about-name-en { font-family: var(--font-accent); font-size: 1rem; color: var(--cocoa-soft); letter-spacing: 0.1em; }
.about-lede { font-size: 1rem; color: var(--cocoa-soft); margin: 1.4rem 0 1.9rem; }
.about-credentials { display: grid; gap: 0.65rem; }
.credential-item {
  display: flex; gap: 0.8rem; align-items: flex-start;
  font-size: 0.93rem; color: var(--cocoa);
}
.credential-dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--gold); flex: 0 0 8px; margin-top: 0.6rem;
}
.about-quote {
  margin-top: 2rem; padding: 1.3rem 1.6rem;
  border-left: 3px solid var(--gold);
  background: var(--gold-soft); border-radius: 0 var(--radius) var(--radius) 0;
  font-family: var(--font-accent); font-size: 1.02rem; color: var(--taupe-deep);
}

/* ── 關於醫師獨立頁 ───────────────────────────────── */
.copy-en { display: none !important; }
html[lang="en-HK"] .copy-zh { display: none !important; }
html[lang="en-HK"] .copy-en { display: revert !important; }

.about-page { background: linear-gradient(180deg, var(--ivory) 0%, var(--cream) 520px); }
.about-page .drhu-nav + main { margin-top: 0; }
.about-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(4.8rem, 8vw, 7.5rem) 0 clamp(3.4rem, 6vw, 5rem);
  border-bottom: 1px solid var(--line);
}
.about-hero::before {
  content: '';
  position: absolute;
  inset: 0 0 auto;
  height: 8px;
  background: linear-gradient(90deg, #B87976 0%, var(--gold) 46%, #7D927C 100%);
}
.about-hero-inner {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 clamp(1.25rem, 4vw, 2.5rem);
  display: grid;
  grid-template-columns: minmax(0, 1.12fr) minmax(320px, .88fr);
  gap: clamp(2rem, 6vw, 5rem);
  align-items: center;
}
.about-breadcrumb {
  display: flex;
  align-items: center;
  gap: .55rem;
  margin-bottom: 1.2rem;
  color: var(--cocoa-soft);
  font-size: .82rem;
}
.about-breadcrumb a { color: var(--taupe-deep); text-decoration: none; }
.about-breadcrumb a:hover { text-decoration: underline; }
.about-hero h1 {
  margin: .75rem 0 1.1rem;
  color: var(--cocoa);
  font-family: var(--font-display);
  font-size: 3.55rem;
  line-height: 1.12;
  letter-spacing: 0;
}
.about-title-name,
.about-title-en { display: block; }
.about-title-en {
  margin-top: .4rem;
  color: var(--taupe-deep);
  font-family: var(--font-accent);
  font-size: .42em;
  font-weight: 400;
}
.about-hero-credential {
  display: flex;
  align-items: center;
  gap: .5rem;
  margin: 0 0 1rem;
  color: var(--taupe-deep);
  font-size: .84rem;
  font-weight: 500;
  letter-spacing: .01em;
}
.about-hero-credential::before {
  content: '';
  width: 7px; height: 7px; flex: none;
  border-radius: 50%;
  background: var(--gold);
}
.about-hero-lede {
  max-width: 660px;
  color: var(--cocoa-soft);
  font-size: 1.08rem;
  line-height: 1.9;
  margin-bottom: 1.9rem;
}
.about-hero-actions,
.about-final-actions {
  display: flex;
  flex-wrap: wrap;
  gap: .85rem;
  align-items: center;
}
.about-portrait-panel {
  position: relative;
  max-width: 420px;
  justify-self: end;
}
.about-portrait {
  position: relative;
  overflow: hidden;
  aspect-ratio: 4 / 5;
  border-radius: 8px;
  border: 1px solid var(--line);
  background: var(--gold-soft);
  box-shadow: var(--shadow-hover);
}
.about-portrait::after {
  content: '';
  position: absolute;
  inset: auto 0 0;
  height: 38%;
  background: linear-gradient(180deg, rgba(74,64,56,0), rgba(74,64,56,.2));
}
.about-portrait img { width: 100%; height: 100%; object-fit: cover; }
.about-section-heading h2 {
  margin-top: .9rem;
  color: var(--cocoa);
  font-family: var(--font-display);
  font-size: 2.05rem;
  line-height: 1.42;
  letter-spacing: 0;
}
.about-section-heading-center {
  max-width: 760px;
  margin: 0 auto 2.2rem;
  text-align: center;
}
.about-section-note {
  max-width: 680px;
  margin: 1rem auto 0;
  color: var(--cocoa-soft);
  font-size: .94rem;
  line-height: 1.85;
}
.about-prose {
  color: var(--cocoa-soft);
  font-size: 1rem;
  line-height: 1.95;
}
.about-prose p + p { margin-top: 1rem; }
.about-prose-center {
  max-width: 760px;
  margin: 0 auto;
  text-align: center;
}
.about-media-section {
  background: var(--ivory);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.about-card-kicker,
.about-card-meta {
  display: block;
  color: var(--taupe-deep);
  font-size: .76rem;
  font-weight: 700;
}
.about-card-meta {
  margin-top: 1rem;
  color: var(--cocoa-soft);
  font-weight: 500;
}
.about-media-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.1rem;
  margin-top: 2.2rem;
}
.about-media-card {
  display: flex;
  flex-direction: column;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--cream);
  text-decoration: none;
  box-shadow: var(--shadow);
  transition: box-shadow .3s ease, transform .3s ease;
}
.about-media-card:hover,
.about-media-card:focus-visible {
  box-shadow: var(--shadow-hover);
  transform: translateY(-3px);
}
.about-media-card:focus-visible { outline: 2px solid var(--taupe-deep); outline-offset: 2px; }
.about-media-card-thumb {
  position: relative;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: var(--gold-soft);
}
.about-media-card-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .4s ease;
}
.about-media-card:hover .about-media-card-thumb img { transform: scale(1.05); }
.about-media-play {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}
.about-media-play::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(74,64,56,.06), rgba(74,64,56,.38));
}
.about-media-play svg {
  position: relative;
  z-index: 1;
  color: var(--cocoa);
  width: 44px;
  height: 44px;
  padding: 12px;
  border-radius: 50%;
  background: rgba(255,253,249,.92);
  box-shadow: 0 6px 18px rgba(74,64,56,.25);
  transition: transform .3s cubic-bezier(.34,1.56,.64,1), background .3s ease;
}
.about-media-card:hover .about-media-play svg,
.about-media-card:focus-visible .about-media-play svg {
  transform: scale(1.08);
  background: var(--ivory);
}
.about-media-card-copy {
  display: flex;
  flex-direction: column;
  flex: 1;
  gap: .5rem;
  padding: 1.25rem 1.35rem 1.4rem;
}
.about-media-card-copy h3 {
  color: var(--cocoa);
  font-family: var(--font-display);
  font-size: 1.05rem;
  line-height: 1.5;
}
.about-media-card-copy p {
  color: var(--cocoa-soft);
  font-size: .88rem;
  line-height: 1.75;
}
.about-media-card-copy .about-card-meta { margin-top: auto; padding-top: .4rem; color: var(--taupe-deep); }
.about-final-cta {
  padding: clamp(3rem, 6vw, 4.5rem) 0;
  background: linear-gradient(135deg, var(--taupe-mist), var(--gold-soft));
}
.about-final-cta-inner {
  display: flex;
  gap: 1.5rem;
  align-items: center;
  justify-content: space-between;
}
.about-final-cta h2 {
  margin: .7rem 0 .45rem;
  color: var(--cocoa);
  font-family: var(--font-display);
  font-size: 1.8rem;
  line-height: 1.35;
}
.about-final-cta p {
  color: var(--cocoa-soft);
  font-size: .95rem;
}

@media (max-width: 900px) {
  .about-hero-inner {
    grid-template-columns: 1fr;
  }
  .about-hero h1 { font-size: 2.55rem; }
  .about-portrait-panel { justify-self: start; width: min(100%, 420px); }
  .about-media-grid {
    grid-template-columns: 1fr;
  }
  .about-final-cta-inner {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (max-width: 560px) {
  .about-hero { padding-top: 4rem; }
  .about-hero h1 { font-size: 2.2rem; }
  .about-title-en { font-size: .48em; }
  .about-hero-lede { font-size: 1rem; }
  .about-section-heading h2,
  .about-final-cta h2 {
    font-size: 1.55rem;
  }
}

/* ── 預約掛號 ─────────────────────────────────────── */
.contact-section { background: var(--ivory); border-top: 1px solid var(--line); }
.contact-grid {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: clamp(2rem, 5vw, 4rem);
}
.contact-lede { font-size: 0.98rem; color: var(--cocoa-soft); margin: 1.2rem 0 2.2rem; }
.contact-item { display: flex; gap: 1rem; align-items: flex-start; margin-bottom: 1.4rem; }
.contact-icon {
  width: 44px; height: 44px; flex: 0 0 44px; border-radius: 50%;
  background: var(--gold-soft);
  display: flex; align-items: center; justify-content: center; font-size: 1.1rem;
}
.contact-label { font-size: 0.78rem; font-weight: 700; letter-spacing: 0.08em; color: var(--cocoa-soft); }
.contact-value { font-size: 0.96rem; color: var(--cocoa); }
.contact-value a { color: var(--taupe-deep); text-decoration: none; font-weight: 700; }
.contact-value a:hover { text-decoration: underline; }

.contact-form-card {
  background: var(--cream); border: 1px solid var(--line);
  border-radius: var(--radius-lg); padding: 2.1rem 1.9rem;
  box-shadow: var(--shadow);
}
.contact-form-card h3 {
  font-family: var(--font-display); font-size: 1.2rem;
  color: var(--cocoa); margin-bottom: 1.4rem;
}
.form-group { margin-bottom: 1.15rem; }
.form-group label {
  display: block; font-size: 0.85rem; font-weight: 700;
  color: var(--cocoa); margin-bottom: 0.4rem;
}
.form-group input, .form-group select, .form-group textarea {
  width: 100%; padding: 0.78rem 1rem;
  border: 1px solid var(--line); border-radius: var(--radius);
  background: var(--ivory); font-family: var(--font-body);
  font-size: 0.95rem; color: var(--cocoa);
  transition: border-color 0.2s, box-shadow 0.2s;
}
.form-group textarea { min-height: 110px; resize: vertical; }
.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
  outline: none; border-color: var(--gold);
  box-shadow: 0 0 0 3px var(--gold-soft);
}
.form-hint { font-size: 0.8rem; color: var(--cocoa-soft); margin-top: 0.9rem; }

/* ── 頁尾 ─────────────────────────────────────────── */
.footer {
  background: var(--cocoa); color: rgba(255,253,249,0.72);
  padding: 3rem 0 2rem; font-size: 0.88rem;
}
.footer-grid {
  display: grid; grid-template-columns: 1.3fr 1fr 1fr;
  gap: 2rem; margin-bottom: 2rem;
}
.footer h4 {
  font-family: var(--font-display); color: var(--white);
  font-size: 1rem; margin-bottom: 0.9rem;
}
.footer a { color: rgba(255,253,249,0.72); text-decoration: none; }
.footer a:hover { color: var(--white); text-decoration: underline; }
.footer-links { list-style: none; display: grid; gap: 0.45rem; }
.footer-disclaimer {
  border-top: 1px solid rgba(255,253,249,0.15);
  padding-top: 1.5rem; font-size: 0.78rem;
  color: rgba(255,253,249,0.5); line-height: 1.8;
}

/* ── WhatsApp 浮動按鈕 ────────────────────────────── */
.fab-whatsapp {
  position: fixed; right: clamp(1.25rem, 4vw, 2rem); bottom: clamp(1.25rem, 4vw, 2rem);
  z-index: 90; width: 56px; height: 56px; border-radius: 50%;
  background: #25D366;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 6px 20px rgba(37,211,102,0.4), 0 2px 8px rgba(0,0,0,0.12);
  transition: transform 0.25s cubic-bezier(0.34,1.3,0.64,1), box-shadow 0.25s;
}
.fab-whatsapp svg { width: 28px; height: 28px; }
.fab-whatsapp:hover { transform: translateY(-3px) scale(1.05); }
.fab-whatsapp:focus-visible { outline: 2px solid var(--taupe); outline-offset: 3px; }

/* ── 進場動畫 ─────────────────────────────────────── */
.reveal { opacity: 0; transform: translateY(18px); transition: opacity 0.6s ease, transform 0.6s ease; }
.reveal.in { opacity: 1; transform: none; }

/* ── 響應式 ───────────────────────────────────────── */
@media (max-width: 980px) {
  .hero { grid-template-columns: 1fr; }
  .hero-art { max-width: 320px; }
  .sj-card { flex-basis: calc((100% - 1.1rem) / 2); }
  .svc-grid { grid-template-columns: repeat(2, 1fr); }
  .articles-grid { grid-template-columns: repeat(2, 1fr); }
  .about-grid, .contact-grid { grid-template-columns: 1fr; }
  .about-photo-frame { max-width: 380px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 760px) {
  .hp-row-sub { display: none; }
  .nav-links {
    position: absolute; top: 100%; left: 0; right: 0;
    background: var(--cream); border-bottom: 1px solid var(--line);
    flex-direction: column; align-items: stretch; gap: 0;
    padding: 0.6rem 1.25rem 1.2rem;
    display: none;
  }
  .nav-links.open { display: flex; }
  .nav-links a { padding: 0.8rem 0.3rem; border-bottom: 1px solid var(--line); }
  .nav-cta { margin-top: 0.8rem; text-align: center; border-radius: var(--radius) !important; }
  .lang-switch { margin-left: auto; }
  .nav-toggle { display: flex; }
  .sj-card { flex-basis: 100%; }
  .svc-grid { grid-template-columns: 1fr; }
  .assess-grid { grid-template-columns: 1fr; }
  .articles-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .fab-whatsapp { width: 50px; height: 50px; }
  .fab-whatsapp svg { width: 25px; height: 25px; }
}

/* ── 工具類（原內嵌樣式） ───────────────────────── */
.btn-block { width: 100%; }
.about-photo img {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  object-fit: cover; object-position: center top;
}
.contact-lede a { color: var(--taupe-deep); font-weight: 700; }

/* ═══════════════════════════════════════════════════════════════
   English layout refinements (applied only when lang="en-*")
   The wide CJK letter-spacing and tight leading are tuned for
   Chinese characters, so Latin text needs gentler tracking,
   looser word-wrapping and a touch more line-height.
   ═══════════════════════════════════════════════════════════════ */
html[lang^="en"] body {
  line-height: 1.75;
}

/* Eyebrows, labels and small caps: heavy CJK tracking looks
   over-spaced in English, so pull it back to a natural range. */
html[lang^="en"] .hero-eyebrow {
  letter-spacing: 0.12em;
  font-size: 0.92rem;
}
html[lang^="en"] .assess-sub,
html[lang^="en"] .sj-age,
html[lang^="en"] .contact-label,
html[lang^="en"] .kb-filter-label,
html[lang^="en"] .art-tag-pill {
  letter-spacing: 0.03em;
}
html[lang^="en"] .section-tag,
html[lang^="en"] .tx-label {
  letter-spacing: 0.1em;
}

/* Hero title: swapped to Spectral, a quiet editorial serif chosen
   for Latin type (Noto Serif TC's Latin glyphs are functional but
   not designed for display use). Lighter weight, tighter leading
   and a plain italic accent instead of the gold highlight block
   give English a calmer, more upscale register than the bolder
   Chinese treatment. */
html[lang^="en"] .hero-title {
  font-family: 'Spectral', var(--font-display), serif;
  font-weight: 500;
  letter-spacing: 0;
  line-height: 1.25;
  text-wrap: balance;
}
html[lang^="en"] .hero-title em {
  font-style: italic;
  background: none;
  color: var(--taupe-deep);
}
html[lang^="en"] .hero-desc {
  text-wrap: pretty;
}

/* Headings and prose read better with normal English hyphenation
   and balanced wrapping rather than mid-word CJK breaks. */
html[lang^="en"] h2,
html[lang^="en"] h3,
html[lang^="en"] .assess-title {
  text-wrap: balance;
}
html[lang^="en"] p,
html[lang^="en"] .assess-desc,
html[lang^="en"] .art-excerpt {
  overflow-wrap: break-word;
  word-break: normal;
}

/* Buttons: allow English labels room and avoid clipping. */
html[lang^="en"] .btn {
  white-space: normal;
  letter-spacing: 0.01em;
}

/* Language switcher: keep the EN label readable when active. */
html[lang^="en"] .lang-switch button {
  letter-spacing: 0.02em;
}