/* ============================================================
   LIGHT PAGE 亮頁 ｜ 主樣式
   ============================================================ */

/* ---------- 0. Reset & Base ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--color-bg);
  color: var(--color-ink);
  font-family: 'Noto Serif TC', 'Songti TC', 'PingFang TC', serif;
  font-weight: 400;
  font-size: 16px;
  line-height: 1.85;
  letter-spacing: 0.02em;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
a { color: inherit; text-decoration: none; transition: color .3s ease, opacity .3s ease; }
ul, ol { margin: 0; padding: 0; list-style: none; }
h1, h2, h3, h4, h5, h6 { margin: 0; font-weight: 500; line-height: 1.35; }
p { margin: 0; }

/* ---------- 1. Tokens ---------- */
:root {
  /* 精品米白 → 香檳金色系 */
  --color-bg:        #f7f3ec;            /* 主底：暖米白 */
  --color-bg-alt:    #efe9df;            /* 次底：略深米白 */
  --color-bg-soft:   #faf6ee;            /* 卡片白 */
  --color-cream:     #fdfaf3;            /* 高光奶白 */
  --color-ink:       #2a241d;            /* 主文字：深咖 */
  --color-ink-soft:  #5a4f43;            /* 次文字 */
  --color-ink-mute:  #8a7e6e;            /* 弱化文字 */
  --color-line:      #d9cfbf;            /* 分隔線 */
  --color-line-soft: #e7dfd1;

  --color-gold:      #b89968;            /* 香檳金 */
  --color-gold-dark: #97774a;            /* 深金 */
  --color-gold-soft: #d8c4a0;            /* 淺金 */
  --color-gold-glow: rgba(184,153,104,.18);

  /* Typography */
  --font-display: 'Cormorant Garamond', 'Noto Serif TC', serif;
  --font-script:  'Italiana', 'Cormorant Garamond', serif;
  --font-body:    'Noto Serif TC', 'Songti TC', 'PingFang TC', serif;

  /* Spacing */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2.5rem;
  --space-xl: 4rem;
  --space-2xl: 6rem;
  --space-3xl: 9rem;

  /* Radius & Shadow */
  --radius-sm: 4px;
  --radius-md: 10px;
  --radius-lg: 18px;
  --radius-pill: 999px;

  --shadow-soft:   0 12px 36px -16px rgba(58, 45, 28, .14);
  --shadow-card:   0 20px 48px -22px rgba(58, 45, 28, .18);
  --shadow-lifted: 0 28px 60px -24px rgba(58, 45, 28, .22);

  /* Layout */
  --container: 1180px;
  --header-h: 88px;
}

/* ---------- 2. Layout helpers ---------- */
.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 32px;
}
@media (max-width: 720px) {
  .container { padding: 0 20px; }
}

.section {
  position: relative;
  padding: var(--space-3xl) 0;
}
.section + .section { border-top: 1px solid var(--color-line-soft); }
@media (max-width: 720px) {
  .section { padding: var(--space-2xl) 0; }
}

.section-head {
  margin-bottom: var(--space-2xl);
  max-width: 880px;
}
.section-head-center {
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}
.section-no {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 0.78rem;
  letter-spacing: 0.35em;
  color: var(--color-gold-dark);
  text-transform: uppercase;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--color-gold);
  margin-bottom: 28px;
}
.section-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4.2vw, 3.2rem);
  font-weight: 400;
  letter-spacing: 0.02em;
  color: var(--color-ink);
  line-height: 1.4;
}
.section-title-sub {
  display: inline-block;
  margin-top: 8px;
  font-family: var(--font-body);
  font-size: clamp(1.1rem, 1.8vw, 1.4rem);
  font-weight: 400;
  color: var(--color-ink-soft);
  letter-spacing: 0.04em;
}

/* ---------- 3. Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 32px;
  font-family: var(--font-body);
  font-size: 0.96rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  border-radius: var(--radius-pill);
  transition: all .35s cubic-bezier(.2,.7,.2,1);
  white-space: nowrap;
  cursor: pointer;
  border: 1px solid transparent;
}
.btn-primary {
  background: linear-gradient(135deg, var(--color-gold) 0%, var(--color-gold-dark) 100%);
  color: #fff;
  box-shadow: 0 10px 24px -10px var(--color-gold-glow);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 16px 32px -12px rgba(151,119,74,.4);
}
.btn-ghost {
  background: transparent;
  color: var(--color-ink);
  border: 1px solid var(--color-line);
}
.btn-ghost:hover {
  border-color: var(--color-gold);
  color: var(--color-gold-dark);
}
.btn-link {
  padding: 12px 4px;
  color: var(--color-gold-dark);
  border-radius: 0;
  border-bottom: 1px solid transparent;
}
.btn-link:hover { border-bottom-color: var(--color-gold); }
.btn-sm { padding: 10px 22px; font-size: 0.88rem; }
.btn-lg { padding: 18px 40px; font-size: 1.05rem; }
.btn-block { width: 100%; margin-top: auto; }


/* ============================================================
   HEADER
   ============================================================ */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: rgba(247, 243, 236, 0.78);
  backdrop-filter: saturate(140%) blur(14px);
  -webkit-backdrop-filter: saturate(140%) blur(14px);
  border-bottom: 1px solid transparent;
  transition: border-color .4s ease, background .4s ease;
}
.site-header.is-scrolled {
  border-bottom-color: var(--color-line-soft);
  background: rgba(247, 243, 236, 0.92);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  height: var(--header-h);
}
.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}
.brand-mark {
  display: inline-flex;
  width: 36px;
  height: 38px;
  flex-shrink: 0;
}
.brand-mark svg {
  width: 100%; height: 100%;
}
.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
  gap: 4px;
}
.brand-en {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 1.05rem;
  letter-spacing: 0.32em;
  color: var(--color-ink);
}
.brand-zh-wrap {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.brand-zh-line {
  display: inline-block;
  width: 14px;
  height: 1px;
  background: var(--color-gold);
  flex-shrink: 0;
}
.brand-zh {
  font-family: var(--font-body);
  font-size: 0.78rem;
  letter-spacing: 0.4em;
  color: var(--color-gold-dark);
}
.nav-primary {
  display: flex;
  gap: 36px;
  align-items: center;
}
.nav-primary a {
  font-size: 0.92rem;
  letter-spacing: 0.08em;
  color: var(--color-ink-soft);
  position: relative;
  padding: 6px 0;
}
.nav-primary a::after {
  content: '';
  position: absolute;
  left: 50%; bottom: 0;
  width: 0; height: 1px;
  background: var(--color-gold);
  transition: all .35s ease;
  transform: translateX(-50%);
}
.nav-primary a:hover { color: var(--color-gold-dark); }
.nav-primary a:hover::after { width: 100%; }

.nav-toggle {
  display: none;
  width: 36px; height: 36px;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  padding: 0;
}
.nav-toggle span {
  display: block;
  height: 1px;
  background: var(--color-ink);
  transition: all .35s ease;
}
.nav-toggle span:nth-child(1) { width: 24px; }
.nav-toggle span:nth-child(2) { width: 18px; align-self: flex-end; }
.nav-toggle span:nth-child(3) { width: 24px; }
.nav-toggle.is-open span:nth-child(1) { transform: rotate(45deg) translate(4px, 5px); width: 22px; }
.nav-toggle.is-open span:nth-child(2) { opacity: 0; }
.nav-toggle.is-open span:nth-child(3) { transform: rotate(-45deg) translate(4px, -5px); width: 22px; }

.nav-mobile {
  display: none;
  flex-direction: column;
  gap: 4px;
  padding: 20px 24px 28px;
  background: var(--color-cream);
  border-top: 1px solid var(--color-line-soft);
}
.nav-mobile a {
  padding: 14px 0;
  font-size: 1.05rem;
  letter-spacing: 0.06em;
  color: var(--color-ink);
  border-bottom: 1px solid var(--color-line-soft);
}
.nav-mobile a:last-child {
  margin-top: 16px;
  border-bottom: none;
  text-align: center;
}
.nav-mobile.is-open { display: flex; }

@media (max-width: 980px) {
  .nav-primary, .site-header > .container > .btn { display: none; }
  .nav-toggle { display: flex; }
}


/* ============================================================
   01 HERO
   ============================================================ */
.hero {
  position: relative;
  min-height: 100vh;
  padding-top: var(--header-h);
  background:
    radial-gradient(ellipse 90% 70% at 80% 30%, rgba(216,196,160,.35) 0%, transparent 60%),
    radial-gradient(ellipse 70% 60% at 20% 80%, rgba(255,250,238,.7) 0%, transparent 55%),
    linear-gradient(180deg, #faf6ee 0%, #f3ece0 100%);
  overflow: hidden;
}

/* 柔光裝飾 */
.hero::before {
  content: '';
  position: absolute;
  top: 10%; right: -5%;
  width: 520px; height: 520px;
  background: radial-gradient(circle, rgba(255,247,225,.65) 0%, transparent 70%);
  filter: blur(20px);
  pointer-events: none;
}
.hero::after {
  content: '';
  position: absolute;
  bottom: 5%; left: -8%;
  width: 380px; height: 380px;
  background: radial-gradient(circle, rgba(216,196,160,.3) 0%, transparent 70%);
  filter: blur(30px);
  pointer-events: none;
}

.hero-slides {
  position: relative;
  min-height: calc(100vh - var(--header-h));
  display: flex;
  align-items: center;
}
.hero-slide {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity 1s cubic-bezier(.2,.7,.2,1), visibility 0s linear 1s;
  padding: var(--space-xl) 0;
}
.hero-slide.is-active {
  opacity: 1;
  visibility: visible;
  transition: opacity 1.2s cubic-bezier(.2,.7,.2,1), visibility 0s linear 0s;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: var(--space-2xl);
  align-items: center;
  width: 100%;
}

.hero-copy { position: relative; z-index: 2; }
.hero-eyebrow {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 0.78rem;
  letter-spacing: 0.4em;
  color: var(--color-gold-dark);
  margin-bottom: 28px;
  text-transform: uppercase;
}
.hero-title {
  font-family: var(--font-display);
  font-weight: 400;
  margin-bottom: 32px;
  line-height: 1.25;
}
.hero-title-en {
  display: block;
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(3.2rem, 7vw, 5.4rem);
  letter-spacing: 0.04em;
  color: var(--color-ink);
  margin-bottom: 16px;
  font-style: italic;
}
.hero-title-zh {
  display: block;
  font-family: var(--font-body);
  font-weight: 500;
  font-size: clamp(1.4rem, 2.6vw, 2rem);
  letter-spacing: 0.08em;
  color: var(--color-ink);
  line-height: 1.5;
}
.hero-title em {
  font-style: normal;
  color: var(--color-gold-dark);
  position: relative;
  padding: 0 4px;
}
.hero-title em::before {
  content: '';
  position: absolute;
  bottom: 4px; left: 0;
  width: 100%; height: 6px;
  background: var(--color-gold-glow);
  z-index: -1;
}
.hero-sub {
  font-size: 1.05rem;
  font-weight: 500;
  color: var(--color-ink);
  margin-bottom: 24px;
  letter-spacing: 0.04em;
}
.hero-desc {
  font-size: 0.96rem;
  color: var(--color-ink-soft);
  margin-bottom: 40px;
  line-height: 2;
}
.hero-ctas {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

/* Hero 圖區 — 只給容器底色與框,絕對不蓋圖 */
.hero-visual {
  position: relative;
  z-index: 1;
}
.hero-image-frame {
  position: relative;
  aspect-ratio: 4 / 5;
  background: linear-gradient(135deg, #fdfaf3 0%, #efe5d0 100%);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lifted);
  overflow: hidden;
  /* 框外柔光 */
  outline: 1px solid var(--color-line-soft);
  outline-offset: -1px;
}
.hero-image-frame::after {
  /* 邊角柔光裝飾 — 純在容器底層,不會壓到圖 */
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 30% 20%, rgba(255,250,238,.5) 0%, transparent 50%);
  pointer-events: none;
  z-index: 0;
}
.hero-image {
  position: relative;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 1;  /* 確保圖永遠在裝飾之上 */
}

/* 輪播控制 */
.hero-controls {
  position: absolute;
  bottom: 40px; left: 50%;
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  gap: 28px;
  z-index: 10;
}
.hero-arrow {
  width: 44px; height: 44px;
  border-radius: 50%;
  background: rgba(255,250,238,.7);
  border: 1px solid var(--color-line);
  color: var(--color-ink);
  font-size: 1.4rem;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all .3s ease;
  backdrop-filter: blur(6px);
}
.hero-arrow:hover {
  background: var(--color-gold);
  color: #fff;
  border-color: var(--color-gold);
}
.hero-dots {
  display: flex;
  gap: 14px;
  align-items: center;
}
.hero-dot {
  width: 32px; height: 2px;
  background: var(--color-line);
  padding: 0;
  border-radius: 0;
  transition: all .4s ease;
}
.hero-dot.is-active {
  background: var(--color-gold-dark);
  width: 56px;
}

.hero-scroll-hint {
  position: absolute;
  bottom: 28px; right: 32px;
  font-family: var(--font-display);
  font-size: 0.7rem;
  letter-spacing: 0.4em;
  color: var(--color-ink-mute);
  z-index: 5;
}

@media (max-width: 980px) {
  .hero-grid { grid-template-columns: 1fr; gap: var(--space-lg); }
  .hero-visual { order: -1; max-width: 460px; margin: 0 auto; width: 100%; }
  .hero-image-frame { aspect-ratio: 4 / 3; }
  .hero-scroll-hint { display: none; }
}
@media (max-width: 720px) {
  .hero { min-height: auto; padding-bottom: 120px; }
  .hero-slides { min-height: 0; }
  .hero-slide { position: relative; padding: var(--space-lg) 0; }
  .hero-slide:not(.is-active) { display: none; }
  .hero-controls { bottom: 24px; }
  .hero-arrow { width: 38px; height: 38px; }
}


/* ============================================================
   02 AEO 白話說明
   ============================================================ */
.section-aeo {
  background:
    radial-gradient(ellipse at 90% 10%, rgba(216,196,160,.18) 0%, transparent 50%),
    var(--color-bg);
}
.aeo-body {
  max-width: 760px;
  font-size: 1.05rem;
  color: var(--color-ink-soft);
}
.aeo-body p {
  margin-bottom: 1.2em;
  line-height: 2.1;
}
.aeo-body .lede {
  font-size: 1.18rem;
  color: var(--color-ink);
  font-weight: 500;
}
.aeo-body .emphasis {
  font-family: var(--font-display);
  font-size: 1.35rem;
  color: var(--color-gold-dark);
  margin-top: 32px;
  padding-left: 24px;
  border-left: 2px solid var(--color-gold);
  line-height: 1.7;
  font-weight: 500;
}

.aeo-three {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  margin-top: var(--space-2xl);
}
.aeo-three li {
  position: relative;
  padding: 48px 36px;
  background: var(--color-cream);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-line-soft);
  transition: all .4s ease;
}
.aeo-three li:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-card);
  border-color: var(--color-gold-soft);
}
.aeo-num {
  display: block;
  font-family: var(--font-display);
  font-weight: 300;
  font-style: italic;
  font-size: 3.2rem;
  color: var(--color-gold);
  line-height: 1;
  margin-bottom: 24px;
}
.aeo-three h3 {
  font-family: var(--font-body);
  font-size: 1.3rem;
  font-weight: 600;
  color: var(--color-ink);
  margin-bottom: 12px;
  letter-spacing: 0.06em;
}
.aeo-three p {
  font-size: 0.96rem;
  color: var(--color-ink-soft);
  line-height: 1.9;
}

@media (max-width: 720px) {
  .aeo-three { grid-template-columns: 1fr; gap: 20px; }
  .aeo-three li { padding: 36px 28px; }
}


/* ============================================================
   03 為什麼漂亮還不夠（極簡對照）
   ============================================================ */
.section-compare { background: var(--color-bg-alt); }

.contrast-table {
  max-width: 920px;
  margin: 0 auto;
  position: relative;
}
.contrast-head {
  display: flex;
  align-items: center;
  gap: 24px;
  padding-bottom: 32px;
  border-bottom: 1px solid var(--color-line);
  margin-bottom: 8px;
}
.contrast-col {
  flex: 1;
  display: flex;
  justify-content: center;
}
.contrast-vs {
  flex-shrink: 0;
  width: 80px;
  font-family: var(--font-display);
  font-style: italic;
  font-size: 1.3rem;
  color: var(--color-gold-dark);
  text-align: center;
  letter-spacing: 0.1em;
}
.contrast-tag {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 0.85rem;
  letter-spacing: 0.3em;
  padding: 8px 20px;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-pill);
  color: var(--color-ink-mute);
  text-transform: uppercase;
  background: var(--color-cream);
  white-space: nowrap;
}
.contrast-tag.is-light {
  background: linear-gradient(135deg, var(--color-gold) 0%, var(--color-gold-dark) 100%);
  color: #fff;
  border-color: var(--color-gold);
  box-shadow: 0 8px 20px -10px var(--color-gold-glow);
}

.contrast-rows {
  display: flex;
  flex-direction: column;
}
.contrast-row {
  display: flex;
  align-items: center;
  gap: 24px;
  padding: 28px 0;
  border-bottom: 1px solid var(--color-line-soft);
  position: relative;
}
.contrast-row::before {
  /* 中央分隔線 — 對應 head 中央那 80px 區 */
  content: '';
  position: absolute;
  left: calc(50%); top: 20%;
  width: 1px; height: 60%;
  background: linear-gradient(180deg, transparent, var(--color-line), transparent);
  transform: translateX(-0.5px);
}
.contrast-row:last-child { border-bottom: none; }

.contrast-left,
.contrast-right {
  flex: 1;
  display: flex;
  align-items: center;
  gap: 14px;
  font-family: var(--font-display);
  font-size: clamp(1.4rem, 2.6vw, 2rem);
  font-weight: 400;
  letter-spacing: 0.05em;
  line-height: 1.5;
  min-width: 0;        /* 防止 flex 子元素溢出 */
  white-space: nowrap; /* 防止中文被瀏覽器斷開直排 */
}
.contrast-left {
  justify-content: flex-end;
  color: var(--color-ink-mute);
  text-decoration: line-through;
  text-decoration-color: rgba(138, 126, 110, .4);
  text-decoration-thickness: 1px;
  opacity: 0.65;
  font-style: italic;
  padding-right: 40px;   /* 給中央分隔線一些距離 */
}
.contrast-left::after {
  content: '';
  display: inline-block;
  width: 14px; height: 14px;
  border-radius: 50%;
  border: 1px solid var(--color-line);
  flex-shrink: 0;
}
.contrast-right {
  justify-content: flex-start;
  color: var(--color-ink);
  font-weight: 500;
  padding-left: 40px;
}
.contrast-right::before {
  content: '';
  display: inline-block;
  width: 14px; height: 14px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-gold) 0%, var(--color-gold-dark) 100%);
  flex-shrink: 0;
  box-shadow: 0 4px 12px -2px var(--color-gold-glow);
}

@media (max-width: 720px) {
  .contrast-head {
    gap: 8px;
  }
  .contrast-vs { width: 50px; font-size: 1rem; }
  .contrast-tag {
    font-size: 0.7rem;
    padding: 6px 12px;
    letter-spacing: 0.18em;
  }
  .contrast-row {
    gap: 8px;
    padding: 20px 0;
  }
  .contrast-left, .contrast-right {
    font-size: 1.02rem;
    letter-spacing: 0.02em;
    gap: 8px;
    white-space: normal;  /* 手機可允許換行(字短不會直排) */
  }
  .contrast-left { padding-right: 12px; }
  .contrast-right { padding-left: 12px; }
  .contrast-left::after, .contrast-right::before {
    width: 10px; height: 10px;
  }
}


/* ============================================================
   04 為什麼資訊強也可以很美
   ============================================================ */
.section-beauty {
  background:
    radial-gradient(ellipse at 10% 50%, rgba(216,196,160,.15) 0%, transparent 50%),
    radial-gradient(ellipse at 90% 70%, rgba(255,250,238,.6) 0%, transparent 50%),
    var(--color-bg);
  text-align: center;
}
.beauty-body {
  max-width: 720px;
  margin: 0 auto;
  font-size: 1.1rem;
  color: var(--color-ink-soft);
}
.beauty-body p {
  margin-bottom: 1.5em;
  line-height: 2.1;
}
.beauty-body em {
  font-style: normal;
  color: var(--color-gold-dark);
  font-weight: 500;
}
.beauty-body .emphasis {
  font-family: var(--font-display);
  font-size: 1.6rem;
  color: var(--color-ink);
  margin-top: 48px;
  padding-top: 32px;
  border-top: 1px solid var(--color-gold-soft);
  line-height: 1.7;
  font-weight: 500;
}
@media (max-width: 720px) {
  .beauty-body .emphasis { font-size: 1.25rem; }
}


/* ============================================================
   04.5 成功案例（純文字精品卡 + 圖位 + 分類切換）
   ============================================================ */
.section-cases {
  background:
    radial-gradient(ellipse at 90% 90%, rgba(216,196,160,.15) 0%, transparent 50%),
    var(--color-bg);
}

/* 分類切換按鈕 */
.cases-filter {
  display: inline-flex;
  flex-wrap: wrap;
  gap: 4px;
  padding: 6px;
  background: var(--color-cream);
  border: 1px solid var(--color-line-soft);
  border-radius: var(--radius-pill);
  margin: 0 auto var(--space-xl);
  display: flex;
  justify-content: center;
  width: fit-content;
  margin-left: auto;
  margin-right: auto;
}
.cases-filter-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 24px;
  font-family: var(--font-body);
  font-size: 0.92rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  color: var(--color-ink-soft);
  border-radius: var(--radius-pill);
  cursor: pointer;
  transition: all .35s cubic-bezier(.2,.7,.2,1);
  border: 1px solid transparent;
}
.cases-filter-btn:hover {
  color: var(--color-gold-dark);
}
.cases-filter-btn.is-active {
  background: linear-gradient(135deg, var(--color-gold) 0%, var(--color-gold-dark) 100%);
  color: #fff;
  box-shadow: 0 8px 20px -8px var(--color-gold-glow);
}
.cases-filter-count {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 22px;
  height: 22px;
  padding: 0 6px;
  font-family: var(--font-display);
  font-size: 0.78rem;
  font-style: italic;
  background: var(--color-bg-alt);
  color: var(--color-ink-mute);
  border-radius: var(--radius-pill);
  transition: all .3s ease;
}
.cases-filter-btn.is-active .cases-filter-count {
  background: rgba(255,255,255,.25);
  color: #fff;
}

/* 案例卡 grid */
.cases-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

/* 卡片基底 */
.case-card {
  position: relative;
  transition: opacity .4s ease, transform .4s ease;
}
.case-card.is-hidden {
  opacity: 0;
  transform: scale(0.96);
  pointer-events: none;
  position: absolute;
  visibility: hidden;
}

.case-card a {
  display: flex;
  flex-direction: column;
  height: 100%;
  background: var(--color-cream);
  border: 1px solid var(--color-line-soft);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all .4s cubic-bezier(.2,.7,.2,1);
  text-decoration: none;
  position: relative;
}
.case-card a:hover {
  transform: translateY(-6px);
  border-color: var(--color-gold-soft);
  box-shadow: var(--shadow-lifted);
}

/* 圖位 */
.case-thumb {
  position: relative;
  aspect-ratio: 16 / 10;
  background: linear-gradient(135deg, #fdfaf3 0%, #efe5d0 100%);
  overflow: hidden;
}
.case-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .6s cubic-bezier(.2,.7,.2,1);
}
.case-card a:hover .case-thumb img {
  transform: scale(1.04);
}
/* 圖未上傳時 — 顯示米白漸層 + 中央光點裝飾,不會破版 */
.case-thumb.is-empty::before {
  content: '';
  position: absolute;
  top: 50%; left: 50%;
  width: 80px; height: 80px;
  background: radial-gradient(circle, rgba(216,196,160,.4) 0%, transparent 70%);
  transform: translate(-50%, -50%);
  border-radius: 50%;
}
.case-thumb.is-empty::after {
  content: '';
  position: absolute;
  top: 50%; left: 50%;
  width: 14px; height: 14px;
  transform: translate(-50%, -50%) rotate(45deg);
  background: var(--color-gold-soft);
  clip-path: polygon(50% 0%, 60% 40%, 100% 50%, 60% 60%, 50% 100%, 40% 60%, 0% 50%, 40% 40%);
  opacity: 0.7;
}

/* 類別徽章 */
.case-cat-badge {
  position: absolute;
  top: 14px;
  left: 14px;
  display: inline-block;
  padding: 5px 12px;
  font-family: var(--font-body);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  background: rgba(255, 250, 238, .92);
  color: var(--color-gold-dark);
  border-radius: var(--radius-pill);
  border: 1px solid var(--color-line-soft);
  backdrop-filter: blur(4px);
}
/* 亮品牌類:徽章用深底金字,跟亮行銷做差異 */
.case-card.is-brand .case-cat-badge {
  background: rgba(42, 36, 29, .85);
  color: var(--color-gold-soft);
  border-color: rgba(216, 196, 160, .3);
}

/* 卡片內文 */
.case-body {
  display: flex;
  flex-direction: column;
  flex: 1;
  padding: 32px 30px 28px;
}
.case-type {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 0.74rem;
  letter-spacing: 0.3em;
  color: var(--color-gold-dark);
  text-transform: uppercase;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--color-line-soft);
  margin-bottom: 18px;
  align-self: flex-start;
}
.case-name {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 1.4rem;
  color: var(--color-ink);
  letter-spacing: 0.04em;
  line-height: 1.4;
  margin-bottom: 14px;
  transition: color .35s ease;
}
.case-card a:hover .case-name { color: var(--color-gold-dark); }
.case-desc {
  flex: 1;
  font-size: 0.92rem;
  color: var(--color-ink-soft);
  line-height: 1.9;
  margin-bottom: 22px;
}
.case-link {
  font-family: var(--font-display);
  font-size: 0.88rem;
  font-style: italic;
  color: var(--color-gold-dark);
  letter-spacing: 0.1em;
  padding-top: 14px;
  border-top: 1px dashed var(--color-line-soft);
  width: 100%;
  display: flex;
  align-items: center;
  gap: 6px;
  transition: gap .35s ease;
}
.case-card a:hover .case-link { gap: 14px; }

/* ── 亮品牌類:整張卡微差異(底色 + 邊角金線) ── */
.case-card.is-brand a {
  background: linear-gradient(180deg, #fdfaf3 0%, #f5ead4 100%);
}
.case-card.is-brand a::after {
  /* 右下角細金線裝飾 */
  content: '';
  position: absolute;
  right: 0; bottom: 0;
  width: 60px; height: 60px;
  background:
    linear-gradient(135deg, transparent 50%, var(--color-gold-soft) 50%, var(--color-gold-soft) 52%, transparent 52%);
  opacity: 0.5;
  transition: opacity .35s ease;
}
.case-card.is-brand a:hover::after {
  opacity: 0.9;
}
.case-card.is-brand .case-type {
  color: var(--color-gold-dark);
  border-bottom-color: var(--color-gold-soft);
}

@media (max-width: 980px) {
  .cases-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 600px) {
  .cases-grid { grid-template-columns: 1fr; gap: 20px; }
  .case-body { padding: 24px 22px 22px; }
  .case-name { font-size: 1.2rem; }
  .cases-filter-btn { padding: 10px 16px; font-size: 0.85rem; }
  .cases-filter-text { font-size: 0.82rem; }
}


/* ============================================================
   05 四大能力
   ============================================================ */
.section-features {
  background: var(--color-bg-alt);
  position: relative;
}
.features-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--color-line-soft);
  border: 1px solid var(--color-line-soft);
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.feature-card {
  padding: 56px 32px;
  background: var(--color-cream);
  transition: background .4s ease;
  position: relative;
}
.feature-card:hover { background: var(--color-bg-soft); }
.feature-no {
  display: block;
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 300;
  font-size: 1.5rem;
  color: var(--color-gold-dark);
  margin-bottom: 32px;
  letter-spacing: 0.1em;
}
.feature-card h3 {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 1.5rem;
  color: var(--color-ink);
  margin-bottom: 18px;
  letter-spacing: 0.06em;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--color-line-soft);
}
.feature-card p {
  font-size: 0.95rem;
  color: var(--color-ink-soft);
  line-height: 1.9;
}

@media (max-width: 980px) {
  .features-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 540px) {
  .features-grid { grid-template-columns: 1fr; }
  .feature-card { padding: 40px 28px; }
}


/* ============================================================
   06 方案價格
   ============================================================ */
.section-plans {
  background:
    radial-gradient(ellipse at 50% 0%, rgba(255,250,238,.7) 0%, transparent 50%),
    var(--color-bg);
}
.plans-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 0.85fr;
  gap: 28px;
  align-items: stretch;
}
.plan-card {
  position: relative;
  display: flex;
  flex-direction: column;
  padding: 48px 40px;
  background: var(--color-cream);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-line-soft);
  transition: all .4s ease;
}
.plan-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card);
}
.plan-card-feature {
  background: linear-gradient(180deg, #fdfaf3 0%, #f5ead4 100%);
  border-color: var(--color-gold-soft);
  box-shadow: var(--shadow-card);
}
.plan-ribbon {
  position: absolute;
  top: 24px; right: -8px;
  background: var(--color-ink);
  color: var(--color-cream);
  font-size: 0.78rem;
  letter-spacing: 0.2em;
  padding: 8px 20px;
  font-family: var(--font-body);
  font-weight: 500;
}
.plan-ribbon::after {
  content: '';
  position: absolute;
  right: 0; bottom: -8px;
  border-top: 8px solid var(--color-ink-soft);
  border-right: 8px solid transparent;
}
.plan-ribbon-feature {
  background: var(--color-gold-dark);
}
.plan-ribbon-feature::after { border-top-color: #6e5638; }

.plan-head { margin-bottom: 32px; }
.plan-eyebrow {
  display: block;
  font-family: var(--font-display);
  font-size: 0.75rem;
  letter-spacing: 0.35em;
  color: var(--color-gold-dark);
  margin-bottom: 12px;
  text-transform: uppercase;
}
.plan-name {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 500;
  color: var(--color-ink);
  margin-bottom: 8px;
  letter-spacing: 0.06em;
}
.plan-name-sub {
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 400;
  color: var(--color-ink-soft);
  letter-spacing: 0.04em;
}
.plan-tagline {
  font-size: 0.95rem;
  color: var(--color-ink-soft);
  line-height: 1.7;
}

.plan-price {
  display: flex;
  align-items: baseline;
  gap: 8px;
  padding: 28px 0;
  border-top: 1px solid var(--color-line-soft);
  border-bottom: 1px solid var(--color-line-soft);
  margin-bottom: 28px;
}
.price-currency {
  font-family: var(--font-display);
  font-size: 1.2rem;
  color: var(--color-ink-soft);
  letter-spacing: 0.05em;
}
.price-amount {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 3.2rem;
  color: var(--color-ink);
  line-height: 1;
  letter-spacing: 0.02em;
}

.plan-perks {
  margin-bottom: 28px;
}
.plan-perks li {
  position: relative;
  padding: 10px 0 10px 24px;
  font-size: 0.92rem;
  color: var(--color-ink-soft);
  line-height: 1.7;
}
.plan-perks li::before {
  content: '✓';
  position: absolute;
  left: 0; top: 10px;
  color: var(--color-gold-dark);
  font-family: var(--font-display);
  font-weight: 600;
}
.plan-perks strong {
  color: var(--color-ink);
  font-weight: 600;
}

.plan-fits {
  padding-top: 24px;
  border-top: 1px dashed var(--color-line);
  margin-bottom: 32px;
}
.plan-fits h4 {
  font-size: 0.85rem;
  letter-spacing: 0.2em;
  color: var(--color-gold-dark);
  font-weight: 500;
  margin-bottom: 12px;
  font-family: var(--font-display);
  text-transform: uppercase;
}
.plan-fits-list {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.plan-fits-list li {
  font-size: 0.84rem;
  color: var(--color-ink-soft);
  padding: 4px 12px;
  background: var(--color-bg-alt);
  border-radius: var(--radius-pill);
  letter-spacing: 0.04em;
}
.plan-card-feature .plan-fits-list li { background: rgba(255,255,255,.6); }

/* Care card */
.plan-care {
  padding: 40px 32px;
  background: var(--color-ink);
  color: var(--color-cream);
  border-radius: var(--radius-lg);
  display: flex;
  flex-direction: column;
}
.plan-care .plan-eyebrow {
  color: var(--color-gold-soft);
}
.plan-care h3 {
  font-family: var(--font-display);
  font-size: 1.5rem;
  margin-bottom: 20px;
  letter-spacing: 0.05em;
}
.plan-care-price {
  font-family: var(--font-display);
  font-size: 2.2rem;
  color: var(--color-gold-soft);
  margin-bottom: 32px;
  padding-bottom: 20px;
  border-bottom: 1px solid rgba(216,196,160,.3);
}
.plan-care-price span {
  font-size: 0.9rem;
  letter-spacing: 0.15em;
  font-family: var(--font-body);
  color: rgba(253,250,243,.6);
}
.plan-care ul {
  flex: 1;
  margin-bottom: 24px;
}
.plan-care ul li {
  position: relative;
  padding: 10px 0 10px 22px;
  font-size: 0.92rem;
  color: rgba(253,250,243,.85);
  border-bottom: 1px dashed rgba(216,196,160,.18);
}
.plan-care ul li::before {
  content: '';
  position: absolute;
  left: 0; top: 22px;
  width: 12px; height: 1px;
  background: var(--color-gold-soft);
}
.plan-care-note {
  font-size: 0.8rem;
  color: rgba(253,250,243,.5);
  letter-spacing: 0.06em;
}

@media (max-width: 980px) {
  .plans-grid { grid-template-columns: 1fr; gap: 20px; }
}
@media (max-width: 720px) {
  .plan-card { padding: 36px 28px; }
  .price-amount { font-size: 2.6rem; }
}


/* ============================================================
   07 數據追蹤
   ============================================================ */
.section-tracking {
  background: var(--color-bg-alt);
}
.tracking-intro {
  max-width: 800px;
  font-size: 1.02rem;
  color: var(--color-ink-soft);
  margin-bottom: var(--space-xl);
}
.tracking-intro p {
  margin-bottom: 1.2em;
  line-height: 2.1;
}
.tracking-intro .emphasis {
  font-family: var(--font-display);
  font-size: 1.3rem;
  color: var(--color-gold-dark);
  padding-left: 24px;
  border-left: 2px solid var(--color-gold);
  font-weight: 500;
}

.tracking-grid {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 32px;
}
.tracking-items, .tracking-tools {
  padding: 44px 40px;
  background: var(--color-cream);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-line-soft);
}
.tracking-items h3, .tracking-tools h3 {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 500;
  color: var(--color-ink);
  margin-bottom: 24px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--color-gold);
  letter-spacing: 0.06em;
}
.tracking-items ul li {
  position: relative;
  padding: 12px 0 12px 28px;
  font-size: 0.96rem;
  color: var(--color-ink-soft);
  border-bottom: 1px dashed var(--color-line-soft);
}
.tracking-items ul li:last-child { border-bottom: none; }
.tracking-items ul li::before {
  content: '';
  position: absolute;
  left: 0; top: 22px;
  width: 18px; height: 1px;
  background: var(--color-gold);
}

.tracking-tools dl {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.tracking-tools dl div {
  display: grid;
  grid-template-columns: 130px 1fr;
  gap: 16px;
  padding: 14px 0;
  border-bottom: 1px dashed var(--color-line-soft);
}
.tracking-tools dl div:last-child { border-bottom: none; }
.tracking-tools dt {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 1rem;
  color: var(--color-gold-dark);
  letter-spacing: 0.1em;
}
.tracking-tools dd {
  margin: 0;
  font-size: 0.94rem;
  color: var(--color-ink-soft);
  line-height: 1.7;
}

@media (max-width: 980px) {
  .tracking-grid { grid-template-columns: 1fr; }
}
@media (max-width: 720px) {
  .tracking-items, .tracking-tools { padding: 32px 24px; }
  .tracking-tools dl div { grid-template-columns: 100px 1fr; gap: 12px; }
}


/* ============================================================
   08 FAQ
   ============================================================ */
.section-faq { background: var(--color-bg); }
.faq-list {
  max-width: 880px;
  margin: 0 auto;
}
.faq-item {
  border-bottom: 1px solid var(--color-line-soft);
}
.faq-item:first-child { border-top: 1px solid var(--color-line-soft); }
.faq-q {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 24px;
  padding: 28px 8px;
  text-align: left;
  color: var(--color-ink);
  transition: color .3s ease;
}
.faq-q:hover { color: var(--color-gold-dark); }
.faq-q-mark {
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 400;
  font-size: 1.15rem;
  color: var(--color-gold-dark);
  letter-spacing: 0.05em;
  flex-shrink: 0;
  min-width: 38px;
}
.faq-q-text {
  flex: 1;
  font-family: var(--font-body);
  font-size: 1.05rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  line-height: 1.6;
}
.faq-q-icon {
  position: relative;
  width: 16px;
  height: 16px;
  flex-shrink: 0;
}
.faq-q-icon::before, .faq-q-icon::after {
  content: '';
  position: absolute;
  top: 50%; left: 50%;
  background: var(--color-gold-dark);
  transition: transform .35s ease;
}
.faq-q-icon::before {
  width: 16px; height: 1px;
  transform: translate(-50%, -50%);
}
.faq-q-icon::after {
  width: 1px; height: 16px;
  transform: translate(-50%, -50%);
}
.faq-q[aria-expanded="true"] .faq-q-icon::after { transform: translate(-50%, -50%) scaleY(0); }

.faq-a {
  max-height: 0;
  overflow: hidden;
  transition: max-height .45s ease, padding .35s ease;
}
.faq-a p {
  padding: 0 8px 32px 70px;
  font-size: 0.98rem;
  color: var(--color-ink-soft);
  line-height: 2;
}
.faq-q[aria-expanded="true"] + .faq-a {
  max-height: 400px;
}

@media (max-width: 720px) {
  .faq-q { padding: 22px 4px; gap: 14px; }
  .faq-q-text { font-size: 0.98rem; }
  .faq-a p { padding: 0 4px 26px 52px; }
}


/* ============================================================
   09 CTA
   ============================================================ */
.section-cta {
  background:
    radial-gradient(ellipse at 30% 30%, rgba(216,196,160,.3) 0%, transparent 55%),
    radial-gradient(ellipse at 80% 70%, rgba(255,250,238,.7) 0%, transparent 55%),
    linear-gradient(180deg, #f3ece0 0%, #ede5d5 100%);
  text-align: center;
  padding: var(--space-3xl) 0;
}
.cta-inner {
  max-width: 760px;
}
.section-cta .section-no {
  border-bottom: none;
  padding-bottom: 0;
  margin-bottom: 20px;
}
.cta-title {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(2.2rem, 4.8vw, 3.6rem);
  color: var(--color-ink);
  letter-spacing: 0.04em;
  line-height: 1.4;
  margin-bottom: 32px;
}
.cta-title em {
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 300;
  color: var(--color-gold-dark);
}
.cta-sub {
  font-size: 1.05rem;
  color: var(--color-ink-soft);
  line-height: 2.1;
  margin-bottom: 48px;
}
.cta-buttons {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: 18px;
}

@media (max-width: 720px) {
  .cta-buttons .btn-lg { width: 100%; }
}


/* ============================================================
   FOOTER
   ============================================================ */
.site-footer {
  background: var(--color-ink);
  color: rgba(253,250,243,.7);
  padding: var(--space-2xl) 0 var(--space-lg);
}
.footer-grid {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: var(--space-xl);
  padding-bottom: var(--space-xl);
  border-bottom: 1px solid rgba(216,196,160,.15);
}
.footer-brand { display: flex; flex-direction: column; align-items: flex-start; }
.footer-mark {
  display: inline-flex;
  width: 48px;
  height: 50px;
  margin-bottom: 14px;
}
.footer-mark svg { width: 100%; height: 100%; }
.footer-brand .brand-en {
  color: var(--color-cream);
  font-size: 1.3rem;
  letter-spacing: 0.35em;
  display: block;
}
.footer-brand .brand-zh-wrap {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 8px;
}
.footer-brand .brand-zh-line {
  display: inline-block;
  width: 16px; height: 1px;
  background: var(--color-gold-soft);
}
.footer-brand .brand-zh {
  color: var(--color-gold-soft);
  font-size: 0.82rem;
  letter-spacing: 0.4em;
}
.footer-by {
  margin-top: 16px;
  font-size: 0.85rem;
  color: rgba(253,250,243,.5);
  letter-spacing: 0.06em;
}
.footer-cols {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.footer-cols h4 {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 0.95rem;
  color: var(--color-gold-soft);
  letter-spacing: 0.2em;
  margin-bottom: 18px;
  text-transform: uppercase;
}
.footer-cols ul li {
  padding: 6px 0;
}
.footer-cols ul li a {
  font-size: 0.92rem;
  color: rgba(253,250,243,.7);
  letter-spacing: 0.04em;
}
.footer-cols ul li a:hover { color: var(--color-gold-soft); }

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: var(--space-lg);
  font-size: 0.82rem;
  color: rgba(253,250,243,.4);
  letter-spacing: 0.06em;
  flex-wrap: wrap;
  gap: 12px;
}
.footer-tag {
  font-family: var(--font-display);
  font-style: italic;
}

@media (max-width: 980px) {
  .footer-cols { grid-template-columns: repeat(2, 1fr); gap: 28px; }
}
@media (max-width: 720px) {
  .footer-grid { grid-template-columns: 1fr; gap: var(--space-lg); }
  .footer-cols { grid-template-columns: repeat(2, 1fr); gap: 24px; }
}
@media (max-width: 480px) {
  .footer-cols { grid-template-columns: 1fr; gap: 20px; }
}


/* ============================================================
   進場動畫
   ============================================================ */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}
.hero-slide.is-active .hero-eyebrow { animation: fadeUp .8s .1s both; }
.hero-slide.is-active .hero-title   { animation: fadeUp .8s .25s both; }
.hero-slide.is-active .hero-sub     { animation: fadeUp .8s .4s both; }
.hero-slide.is-active .hero-desc    { animation: fadeUp .8s .55s both; }
.hero-slide.is-active .hero-ctas    { animation: fadeUp .8s .7s both; }
.hero-slide.is-active .hero-visual  { animation: fadeUp 1s .35s both; }

/* Scroll-trigger fade-in */
.scroll-fade {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 1s ease, transform 1s ease;
}
.scroll-fade.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .01ms !important;
    transition-duration: .01ms !important;
  }
}


/* ============================================================
   Footer 聯絡資訊（補加）
   ============================================================ */
.footer-contact {
  margin-top: 14px;
  font-size: 0.88rem;
  letter-spacing: 0.04em;
}
.footer-contact a {
  color: var(--color-gold-soft);
  border-bottom: 1px dashed rgba(216,196,160,.3);
  padding-bottom: 2px;
  transition: color .3s ease, border-color .3s ease;
}
.footer-contact a:hover {
  color: var(--color-cream);
  border-bottom-color: var(--color-gold-soft);
}
.footer-contact-person {
  margin-top: 6px;
  font-size: 0.82rem;
  color: rgba(253,250,243,.55);
  letter-spacing: 0.08em;
}


/* ============================================================
   浮動 LINE 按鈕（PC 右下 + 手機底部）
   ============================================================ */
.float-line {
  --line-green: #06c755;
  --line-green-dark: #06b34a;

  position: fixed;
  z-index: 99;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 22px 14px 16px;
  background: linear-gradient(135deg, var(--line-green) 0%, var(--line-green-dark) 100%);
  color: #fff;
  font-family: var(--font-body);
  font-size: 0.96rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  border-radius: var(--radius-pill);
  box-shadow:
    0 12px 28px -8px rgba(6, 199, 85, .45),
    0 4px 10px -2px rgba(0, 0, 0, .1);
  transition: transform .35s cubic-bezier(.2,.7,.2,1),
              box-shadow .35s ease,
              opacity .35s ease,
              bottom .35s ease;
  cursor: pointer;
  text-decoration: none;
}
.float-line:hover {
  transform: translateY(-3px);
  box-shadow:
    0 18px 36px -10px rgba(6, 199, 85, .55),
    0 6px 14px -2px rgba(0, 0, 0, .12);
  color: #fff;
}
.float-line-icon {
  display: inline-flex;
  width: 28px; height: 28px;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.float-line-icon svg {
  width: 100%; height: 100%;
  display: block;
}
.float-line-text {
  line-height: 1;
  white-space: nowrap;
}

/* 隱藏狀態（接近 footer 時讓開） */
.float-line.is-hidden {
  opacity: 0;
  pointer-events: none;
  transform: translateY(20px);
}

/* PC 版：右下角 */
@media (min-width: 769px) {
  .float-line {
    right: 28px;
    bottom: 28px;
  }
}

/* 手機版：固定畫面正下方，通寬 */
@media (max-width: 768px) {
  .float-line {
    left: 16px;
    right: 16px;
    bottom: 16px;
    justify-content: center;
    padding: 16px 24px;
    border-radius: var(--radius-pill);
    font-size: 1rem;
    letter-spacing: 0.12em;
    box-shadow:
      0 -2px 12px -2px rgba(0, 0, 0, .08),
      0 16px 32px -8px rgba(6, 199, 85, .45);
  }
  .float-line-icon {
    width: 24px; height: 24px;
  }
  /* 手機版底部留白給浮動按鈕,避免它擋住 footer 內容 */
  .site-footer { padding-bottom: 100px; }
}