/* ===========================================
   蔓泰 MANTAI — 共用樣式（編輯風改版）
   =========================================== */

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

:root {
  --green: #6B8278;        /* 主色 */
  --green-deep: #3D5048;   /* 深綠 */
  --green-light: #96AFA5;  /* 輔助色 */
  --pale: #C8D5D0;         /* 淺綠灰 */
  --offwhite: #EEECE8;     /* 灰白 */
  --dark: #2E3830;         /* 深底 */

  --bg: #EEECE8;
  --text: #2E3830;
  --text-soft: #56655C;
  --text-muted: #7A8F85;
  --border: rgba(107,130,120,0.22);
  --nav-h: 118px;

  --display: 'Playfair Display', 'Noto Serif TC', serif;
  --serif: 'Noto Serif TC', serif;
  --sans: 'Noto Sans TC', sans-serif;
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--sans);
  background: var(--bg);
  color: var(--text);
  font-weight: 400;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

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

/* ===== 微標籤（全站通用的小型大寫標） ===== */
.micro {
  font-family: var(--sans);
  font-size: 0.64rem;
  font-weight: 400;
  letter-spacing: 0.28em;
  text-indent: 0.28em;
  color: var(--text-muted);
  text-transform: uppercase;
  line-height: 1.6;
}

/* ===== NAV（兩行置中）===== */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 200;
  min-height: var(--nav-h);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.7rem;
  padding: 0.9rem clamp(1.8rem, 9vw, 8rem);
  background: rgba(238,236,232,0.94);
  backdrop-filter: saturate(140%) blur(8px);
  -webkit-backdrop-filter: saturate(140%) blur(8px);
  border-bottom: 0.5px solid var(--border);
}
.nav-links { display: flex; align-items: center; justify-content: center; gap: 1.9rem; }
.nav-links a {
  font-size: 1.44rem;
  letter-spacing: 0.12em;
  color: var(--text-soft);
  text-decoration: none;
  padding: 0.25rem 0;
  border-bottom: 0.5px solid transparent;
  transition: color 0.25s, border-color 0.25s;
  white-space: nowrap;
}
.nav-links a:hover { color: var(--dark); }
.nav-links a.active { color: var(--dark); border-bottom-color: var(--green); }

.nav-brand {
  display: flex;
  align-items: center;
  text-decoration: none;
  line-height: 0;
}
.nav-brand img {
  height: 42px;
  width: auto;
  display: block;
}

.nav-right { display: contents; }
.nav-cta {
  position: absolute;
  right: 1.8rem;
  top: 50%;
  transform: translateY(-50%);
  font-size: 0.76rem;
  letter-spacing: 0.14em;
  text-indent: 0.14em;
  color: var(--offwhite);
  background: var(--green-deep);
  text-decoration: none;
  padding: 0.6rem 1.3rem;
  border-radius: 2px;
  transition: background 0.25s;
  white-space: nowrap;
}
.nav-cta:hover { background: var(--dark); }

.nav-toggle {
  display: none;
  position: absolute;
  left: 1.2rem;
  top: 50%;
  transform: translateY(-50%);
  background: none; border: none; cursor: pointer;
  width: 32px; height: 32px;
  flex-direction: column; align-items: center; justify-content: center; gap: 5px;
}
.nav-toggle span {
  display: block; width: 19px; height: 1px;
  background: var(--dark);
  transition: transform 0.3s, opacity 0.3s;
}
.nav-toggle.open span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

/* ===== 品牌標記（三束弧線）=====
   使用 CSS mask，同一個檔案可以在任何底色上變色 */
.mark {
  width: 34px;
  height: 31px;
  margin: 0 auto;
  background-color: var(--green-light);
  -webkit-mask: url('/mark.png?v=20260903j') center / contain no-repeat;
  mask: url('/mark.png?v=20260903j') center / contain no-repeat;
  flex-shrink: 0;
}
.mark-lg { width: 48px; height: 44px; }
.mark-sm { width: 22px; height: 20px; }
.mark-xs { width: 13px; height: 12px; }

/* 關鍵詞橫列 */
.tag-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: clamp(0.9rem, 3vw, 1.8rem);
  border-top: 0.5px solid var(--border);
  border-bottom: 0.5px solid var(--border);
  padding: clamp(1.3rem, 3.5vw, 1.8rem) 0.5rem;
}
.tag-row span {
  font-family: var(--serif);
  font-size: clamp(0.9rem, 2.4vw, 1.02rem);
  font-weight: 400;
  letter-spacing: 0.18em;
  text-indent: 0.18em;
  color: var(--green-deep);
  white-space: nowrap;
}
.tag-row .mark { margin: 0; opacity: 0.75; }
.mark-green { background-color: var(--green); }
.mark-deep { background-color: var(--green-deep); }
.mark-pale { background-color: var(--pale); }

/* 標記＋細線的分隔組合 */
.mark-rule {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1.1rem;
}
.mark-rule::before, .mark-rule::after {
  content: '';
  width: clamp(30px, 9vw, 74px);
  height: 0.5px;
  background: var(--border);
}

/* ===== 巨型標題（簽名式排版） ===== */
.display-hero {
  padding: calc(var(--nav-h) + 5.5rem) 1.8rem 0;
  text-align: center;
}
.display-hero .mark { margin-bottom: 1.8rem; }
.display-row {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: clamp(1.2rem, 5vw, 3.5rem);
}
.display-title {
  font-family: var(--display);
  font-size: clamp(2.9rem, 11vw, 7rem);
  font-weight: 400;
  line-height: 0.98;
  letter-spacing: 0.01em;
  color: var(--dark);
  white-space: nowrap;
}
.display-row .micro {
  flex: 0 0 auto;
  max-width: 12rem;
  font-family: var(--serif);
  font-size: clamp(0.75rem, 1.7vw, 1.28rem);
  font-weight: 300;
  letter-spacing: 0.14em;
  text-indent: 0.14em;
  line-height: 1.8;
  color: var(--text-soft);
  text-transform: none;
}
.display-row .micro:first-child { text-align: right; }
.display-row .micro:last-child { text-align: left; }

/* 標題下方的小尺寸置中圖 */
.display-figure {
  width: clamp(150px, 22vw, 210px);
  aspect-ratio: 3 / 4;
  margin: clamp(3rem, 8vw, 5.5rem) auto 0;
  background: var(--pale) center / cover no-repeat;
}
.display-caption {
  max-width: 420px;
  margin: 2rem auto 0;
  font-size: 0.82rem;
  color: var(--text-soft);
  line-height: 2;
  letter-spacing: 0.06em;
}
.display-hero-pad { padding-bottom: clamp(4rem, 9vw, 6.5rem); }

/* 義大利斜體單行分隔 */
.italic-line {
  font-family: var(--display);
  font-style: italic;
  font-size: clamp(0.92rem, 2.4vw, 1.12rem);
  font-weight: 400;
  color: var(--green-deep);
  text-align: center;
  letter-spacing: 0.04em;
  padding: 0 1.8rem clamp(2rem, 5vw, 3rem);
}

/* 滿版照片帶（切齊區塊底部） */
.photo-band {
  position: relative;
  height: clamp(260px, 42vw, 460px);
  background: var(--pale) center / cover no-repeat;
}
.chip-bar {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 1px;
  background: var(--border);
}
.chip-bar span {
  flex: 1 1 auto;
  text-align: center;
  background: rgba(238,236,232,0.93);
  padding: 0.75rem 1rem;
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  color: var(--green-deep);
  white-space: nowrap;
}

/* ===== 內容容器 ===== */
.wrap { max-width: 680px; margin: 0 auto; padding: clamp(3.5rem, 8vw, 6rem) 1.8rem; }
.wrap-wide { max-width: 940px; margin: 0 auto; padding: clamp(3.5rem, 8vw, 6rem) 1.8rem; }

.block { margin-bottom: clamp(3.2rem, 7vw, 5rem); }
.block:last-child { margin-bottom: 0; }

.block-head { text-align: center; margin-bottom: 2.4rem; }
.block-head .mark { margin-bottom: 1.1rem; }
.block-head .micro { margin-bottom: 0.9rem; }
.block-title {
  font-family: var(--display);
  font-size: clamp(1.6rem, 5vw, 2.4rem);
  font-weight: 400;
  letter-spacing: 0.03em;
  color: var(--dark);
  line-height: 1.15;
}
.block-title-tc {
  font-family: var(--serif);
  font-size: clamp(1.05rem, 3vw, 1.3rem);
  font-weight: 400;
  letter-spacing: 0.16em;
  text-indent: 0.16em;
  color: var(--dark);
  margin-top: 0.7rem;
}

.prose p {
  font-size: 0.92rem;
  color: var(--text-soft);
  line-height: 2.2;
  letter-spacing: 0.06em;
  margin-bottom: 1.3rem;
}
.prose p:last-child { margin-bottom: 0; }
.prose-center { text-align: center; }
.prose .lead {
  font-family: var(--serif);
  font-size: clamp(0.98rem, 2.6vw, 1.08rem);
  color: var(--dark);
  line-height: 2.3;
}

/* 引言 */
.pull {
  border-top: 0.5px solid var(--border);
  border-bottom: 0.5px solid var(--border);
  padding: clamp(2rem, 5vw, 2.8rem) 1.4rem;
  text-align: center;
}
.pull p {
  font-family: var(--serif);
  font-size: clamp(0.94rem, 2.5vw, 1.04rem);
  color: var(--dark);
  line-height: 2.4;
  letter-spacing: 0.1em;
  text-wrap: balance;
}
/* 與內文段落（.prose p）完全相同的字體與大小 */
.pull p.plain {
  font-family: var(--sans);
  font-size: 0.92rem;
  color: var(--text-soft);
  line-height: 2.2;
  letter-spacing: 0.06em;
  text-wrap: balance;
}

/* ===== 價目 ===== */
.price-list { border-top: 0.5px solid var(--border); }
.price-row {
  display: flex; align-items: baseline; justify-content: space-between;
  gap: 1.2rem;
  padding: 1.7rem 0.2rem;
  border-bottom: 0.5px solid var(--border);
}
.price-name {
  font-family: var(--serif);
  font-size: 1.02rem; letter-spacing: 0.1em; color: var(--dark);
}
.price-name small {
  display: block; font-family: var(--sans);
  font-size: 0.74rem; color: var(--text-muted);
  letter-spacing: 0.05em; margin-top: 0.35rem;
}
.price-value {
  font-family: var(--display);
  font-size: 1.85rem; font-weight: 400; letter-spacing: 0.01em;
  color: var(--green-deep); white-space: nowrap;
}
.price-value small {
  font-family: var(--sans); font-size: 0.68rem; letter-spacing: 0.12em;
  color: var(--text-muted); margin-right: 0.35rem;
}

/* 首次體驗價：以主色標示，與原價區隔 */
.price-list-first .price-row { background: rgba(200,213,208,0.22); padding-left: 1.2rem; padding-right: 1.2rem; }
.price-list-first .price-value { color: var(--green); }
.price-list-first .price-name small { text-decoration: line-through; opacity: 0.75; }

/* ===== 精油卡 ===== */
.oil-cards { border-top: 0.5px solid var(--border); }
.oil-card { padding: 1.9rem 0.2rem; border-bottom: 0.5px solid var(--border); }
.oil-card-en {
  font-family: var(--display);
  font-size: 1.5rem; font-weight: 400; font-style: italic;
  letter-spacing: 0.05em; color: var(--green);
  margin-bottom: 0.5rem;
}
.oil-card-name {
  font-family: var(--serif);
  font-size: 1.02rem; letter-spacing: 0.16em; text-indent: 0.16em;
  color: var(--dark); margin-bottom: 0.8rem;
}
.oil-card-notes {
  font-size: 0.78rem; color: var(--text-muted);
  letter-spacing: 0.08em; margin-bottom: 0.8rem;
}
.oil-card-desc { font-size: 0.89rem; color: var(--text-soft); line-height: 2.05; letter-spacing: 0.05em; }

.single-oils { display: flex; flex-wrap: wrap; gap: 8px; justify-content: center; }
.single-oils span {
  padding: 0.5rem 1.1rem;
  border: 0.5px solid var(--border);
  border-radius: 2px;
  background: rgba(255,255,255,0.5);
  font-size: 0.83rem;
  color: var(--text-soft);
  letter-spacing: 0.08em;
}

/* ===== 條列特點 ===== */
.feature-list { border-top: 0.5px solid var(--border); }
.feature-item {
  display: grid;
  grid-template-columns: 2.2rem 1fr;
  gap: 1.2rem;
  padding: 1.6rem 0.2rem;
  border-bottom: 0.5px solid var(--border);
}
.feature-num {
  font-family: var(--display);
  font-size: 0.95rem; font-style: italic;
  color: var(--green-light); line-height: 1.9;
}
.feature-item h4 {
  font-family: var(--serif);
  font-size: 0.98rem; font-weight: 400; letter-spacing: 0.12em;
  color: var(--dark); margin-bottom: 0.45rem;
}
/* 英文證照名稱 */
.feature-item h4:lang(en), .feature-item .en-title {
  font-family: var(--display);
  letter-spacing: 0.04em;
}
.feature-item p { font-size: 0.86rem; color: var(--text-soft); line-height: 2; letter-spacing: 0.05em; }
.feature-item p + p { margin-top: 0.6rem; }

/* ===== 單張直式照片 ===== */
.single-photo {
  width: 100%;
  max-width: 460px;
  margin: 0 auto;
  aspect-ratio: 3 / 4;
  background: var(--pale) center / cover no-repeat;
}

/* ===== 相簿 ===== */
.gallery { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; }
.gallery-item { aspect-ratio: 4 / 5; background: var(--pale) center / cover no-repeat; }
.gallery-item.wide { grid-column: 1 / -1; aspect-ratio: 16 / 9; }

/* ===== 資訊條 ===== */
.info-strip {
  display: grid; grid-template-columns: repeat(3, 1fr);
  border-top: 0.5px solid var(--border);
  border-bottom: 0.5px solid var(--border);
}
.info-cell { padding: 1.6rem 1.1rem; text-align: center; border-right: 0.5px solid var(--border); }
.info-cell:last-child { border-right: none; }
.info-cell-label {
  font-size: 0.63rem; letter-spacing: 0.26em; text-indent: 0.26em;
  color: var(--text-muted); text-transform: uppercase; margin-bottom: 0.6rem;
}
.info-cell-value { font-size: 0.86rem; color: var(--text); line-height: 1.9; letter-spacing: 0.04em; }
.line-link {
  color: var(--green-deep); text-decoration: none;
  border-bottom: 0.5px solid rgba(107,130,120,0.45);
  padding-bottom: 1px; transition: all 0.25s;
}
.line-link:hover { color: var(--dark); border-bottom-color: var(--dark); }

/* ===== 深色 CTA 區 ===== */
.cta-band {
  background: var(--dark);
  text-align: center;
  padding: clamp(3.5rem, 8vw, 5.5rem) 1.8rem;
}
.cta-band .mark { margin-bottom: 1.4rem; }
.cta-band .micro { color: var(--green-light); margin-bottom: 1.3rem; }
.cta-band h3 {
  font-family: var(--serif);
  font-size: clamp(1rem, 2.8vw, 1.2rem);
  font-weight: 400;
  color: var(--offwhite);
  letter-spacing: 0.14em;
  line-height: 2.2;
  margin-bottom: 2.2rem;
}
.btn {
  display: inline-block;
  padding: 0.9rem 2.5rem;
  border-radius: 2px;
  font-size: 0.84rem;
  letter-spacing: 0.2em;
  text-indent: 0.2em;
  text-decoration: none;
  transition: background 0.3s, color 0.3s, border-color 0.3s;
  cursor: pointer;
}
.btn-solid { background: var(--offwhite); color: var(--dark); border: 0.5px solid var(--offwhite); }
.btn-solid:hover { background: var(--pale); border-color: var(--pale); }
.btn-ghost { background: transparent; color: rgba(238,236,232,0.85); border: 0.5px solid rgba(238,236,232,0.35); }
.btn-ghost:hover { color: var(--dark); background: var(--offwhite); border-color: var(--offwhite); }
.btn-dark { background: var(--green-deep); color: var(--offwhite); border: 0.5px solid var(--green-deep); }
.btn-dark:hover { background: var(--dark); border-color: var(--dark); }
.btn-outline { background: transparent; color: var(--green-deep); border: 0.5px solid var(--green-deep); }
.btn-outline:hover { background: var(--green-deep); color: var(--offwhite); }

/* ===== FOOTER ===== */
.site-footer {
  background: var(--dark);
  text-align: center;
  padding: clamp(3rem, 7vw, 4.5rem) 1.8rem;
  border-top: 0.5px solid rgba(150,175,165,0.15);
}
.footer-inner { width: 100%; display: flex; flex-direction: column; align-items: center; gap: 1.8rem; }
.site-footer img { max-width: 190px; width: 44%; }
.footer-social { display: flex; align-items: center; gap: 1.3rem; }
.footer-social a {
  display: flex; align-items: center; justify-content: center;
  width: 36px; height: 36px;
  border: 0.5px solid rgba(238,236,232,0.25);
  border-radius: 50%;
  color: rgba(238,236,232,0.7);
  transition: color 0.3s, border-color 0.3s, background 0.3s;
}
.footer-social a:hover { color: var(--dark); background: var(--offwhite); border-color: var(--offwhite); }
.footer-social svg { width: 18px; height: 18px; display: block; }
.footer-legal { font-size: 0.7rem; font-weight: 300; letter-spacing: 0.1em; color: rgba(238,236,232,0.55); }
.footer-legal a {
  color: rgba(238,236,232,0.75); text-decoration: none;
  border-bottom: 0.5px solid rgba(238,236,232,0.25);
  padding-bottom: 2px; transition: color 0.3s, border-color 0.3s;
}
.footer-legal a:hover { color: var(--offwhite); border-bottom-color: rgba(238,236,232,0.6); }
.footer-sep { margin: 0 0.6rem; opacity: 0.4; }

/* ===== 焦點 ===== */
a:focus-visible, button:focus-visible, input:focus-visible,
select:focus-visible, textarea:focus-visible {
  outline: 2px solid var(--green);
  outline-offset: 2px;
}

/* ===== 響應式 ===== */
/* 導覽列空間不足時逐步縮小 */
@media (max-width: 1180px) {
  .nav-links { gap: 1.2rem; }
  .nav-links a { font-size: 1.1rem; letter-spacing: 0.05em; }
  .nav-brand img { height: 38px; }
}

/* 行動版：收合為單行，分頁改為下拉選單 */
@media (max-width: 900px) {
  :root { --nav-h: 58px; }
  .nav { padding: 0 1.2rem; gap: 0; justify-content: center; }
  .nav-brand img { height: 30px; }
  .nav-toggle { display: flex; }
  .nav-cta { right: 1.2rem; padding: 0.5rem 1rem; font-size: 0.72rem; }
  .nav-links {
    position: fixed;
    top: var(--nav-h); left: 0; right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: var(--offwhite);
    border-bottom: 0 solid var(--border);
    max-height: 0; overflow: hidden;
    transition: max-height 0.35s ease;
  }
  /* 收合時不畫下框線，否則會在導覽列下方多出一條線 */
  .nav-links.open { max-height: 360px; border-bottom-width: 0.5px; }
  .nav-links a {
    padding: 1rem 1.4rem;
    border-bottom: 0.5px solid var(--border);
    font-size: 1.15rem;
  }
  .nav-links a.active { border-bottom-color: var(--border); color: var(--green-deep); }
}

@media (max-width: 620px) {
  .display-hero { padding-top: calc(var(--nav-h) + 4.5rem); padding-left: 1.3rem; padding-right: 1.3rem; }
  .display-row { flex-direction: column; gap: 1.1rem; }
  .display-row .micro { max-width: none; text-align: center !important; font-size: 0.95rem; }
  .display-title { white-space: normal; }
  .wrap, .wrap-wide { padding-left: 1.3rem; padding-right: 1.3rem; }
  .gallery { grid-template-columns: 1fr; }
  .gallery-item, .gallery-item.wide { aspect-ratio: 4 / 3; }
  .info-strip { grid-template-columns: 1fr; }
  .info-cell { border-right: none; border-bottom: 0.5px solid var(--border); }
  .info-cell:last-child { border-bottom: none; }
  .price-row { flex-direction: column; align-items: flex-start; gap: 0.6rem; }
  .feature-item { grid-template-columns: 1.8rem 1fr; gap: 0.9rem; }
  .chip-bar span { flex: 1 1 33%; font-size: 0.66rem; padding: 0.6rem 0.4rem; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}