/* ═══════════════════════════════════════════════════════════════
   果緻匠顏診所 官方網站 — 共用設計系統
   色票（2026-07 客戶指定）：
     主色 #FAF8F4 奶霧白 / 區塊 #F2ECE3 珍珠白 / 按鈕 #D8C4A8 香檳金
     文字 #5B5148 暖灰棕 / 輔助線 #C8AD7F 淡金
   字體：思源黑體 Noto Sans TC（客戶指定全站）
   版式：晨煦編輯室語彙（紙感底・光斑・白霜玻璃・編輯排版）
   ═══════════════════════════════════════════════════════════════ */

:root {
  --paper: #FAF8F4;
  --paper-2: #F6F1E8;
  --block: #F2ECE3;
  --btn: #D8C4A8;
  --btn-deep: #C8AD7F;
  --ink: #5B5148;
  --ink-soft: #6E6357;
  --muted: #99897a;
  --gold: #C8AD7F;
  --gold-rgb: 200, 173, 127;
  --line: rgba(91, 81, 72, 0.16);
  --line-soft: rgba(91, 81, 72, 0.09);
  --glass: rgba(255, 255, 255, 0.55);
  --glass-strong: rgba(255, 255, 255, 0.72);
  --shadow-soft: 0 18px 50px rgba(122, 103, 76, 0.12);
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 96px; }
body {
  background: var(--paper);
  color: var(--ink);
  font-family: 'Noto Sans TC', system-ui, sans-serif;
  font-weight: 300;
  line-height: 1.95;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
body.menu-open, body.intro-lock { overflow: hidden; }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
::selection { background: rgba(var(--gold-rgb), .28); }
:focus-visible { outline: 2px solid var(--btn-deep); outline-offset: 3px; }

.skip { position: fixed; top: -80px; left: 16px; z-index: 200; padding: 10px 20px;
  background: var(--ink); color: var(--paper); border-radius: 999px; font-size: 14px;
  letter-spacing: 1px; transition: top .25s; }
.skip:focus { top: 14px; }

/* ── 背景：奶霧紙 + 香檳光斑 ── */
.bg-paper { position: fixed; inset: 0; z-index: -3;
  background: linear-gradient(180deg, var(--paper) 0%, #f8f3ea 55%, var(--paper-2) 100%); }
.bg-blobs { position: fixed; inset: 0; z-index: -2; overflow: hidden; pointer-events: none; }
.blob { position: absolute; border-radius: 50%; filter: blur(90px); opacity: .5; will-change: transform; }
.b1 { width: 56vw; height: 56vw; top: -20vw; right: -14vw;
  background: radial-gradient(circle at 40% 40%, #ecd9b8 0%, rgba(236, 217, 184, 0) 70%);
  animation: drift1 26s ease-in-out infinite alternate; }
.b2 { width: 44vw; height: 44vw; bottom: -16vw; left: -12vw;
  background: radial-gradient(circle at 55% 45%, #efe4d0 0%, rgba(239, 228, 208, 0) 70%);
  animation: drift2 32s ease-in-out infinite alternate; }
.b3 { width: 34vw; height: 34vw; top: 34%; left: 42%;
  background: radial-gradient(circle at 50% 50%, #e9ded2 0%, rgba(233, 222, 210, 0) 72%);
  opacity: .38; animation: drift3 38s ease-in-out infinite alternate; }
@keyframes drift1 { to { transform: translate(-6vw, 5vh) scale(1.08); } }
@keyframes drift2 { to { transform: translate(5vw, -4vh) scale(1.05); } }
@keyframes drift3 { to { transform: translate(-4vw, -6vh) scale(1.12); } }

/* ── 頁緣直排小字 ── */
.edge-note { position: fixed; left: 18px; bottom: 40px; z-index: 5;
  writing-mode: vertical-rl; font-size: 10px; letter-spacing: 5px;
  color: rgba(91, 81, 72, .32); pointer-events: none; text-transform: uppercase; }

/* ── 排版工具 ── */
.wrap { max-width: 1160px; margin: 0 auto; padding: 0 clamp(20px, 5vw, 56px); }
.wrap-wide { max-width: 1360px; margin: 0 auto; padding: 0 clamp(18px, 4vw, 44px); }
.eyebrow { display: inline-flex; align-items: center; gap: 12px; margin-bottom: 20px;
  font-size: 12.5px; letter-spacing: 5px; color: var(--gold); text-transform: uppercase; font-weight: 400; }
.eyebrow::before { content: ''; width: 34px; height: 1px; background: var(--gold); }
.sec-title { font-size: clamp(26px, 3.8vw, 40px); font-weight: 500; letter-spacing: 6px; color: var(--ink); line-height: 1.5; }
.sec-title em { font-style: normal; color: var(--btn-deep); }
.sec-lead { color: var(--muted); font-size: 16px; margin-top: 16px; max-width: 640px; letter-spacing: 1px; }
.rule { border: 0; border-top: 1px solid var(--line); margin: 0; }

.btn { display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  padding: 15px 36px; border-radius: 999px; font-size: 15px; letter-spacing: 3px;
  transition: .35s; border: 1px solid transparent; cursor: pointer; font-family: inherit; font-weight: 400; }
.btn-gold { background: var(--btn); color: #fff; }
.btn-gold:hover { background: var(--btn-deep); transform: translateY(-2px);
  box-shadow: 0 12px 30px rgba(var(--gold-rgb), .38); }
.btn-line { border-color: var(--gold); color: var(--ink); background: transparent; }
.btn-line:hover { background: rgba(var(--gold-rgb), .12); transform: translateY(-2px); }

/* ── 白霜玻璃卡 ── */
.frost { position: relative; border-radius: 20px;
  background: linear-gradient(var(--glass), var(--glass)) padding-box,
    linear-gradient(130deg, rgba(255,255,255,.95), rgba(var(--gold-rgb),.42) 30%, rgba(233,222,206,.5) 62%, rgba(var(--gold-rgb),.35) 85%, rgba(255,255,255,.9)) border-box;
  border: 1px solid transparent;
  backdrop-filter: blur(16px) saturate(140%);
  -webkit-backdrop-filter: blur(16px) saturate(140%);
  box-shadow: var(--shadow-soft), inset 0 1px 0 rgba(255,255,255,.8); }

.reveal { opacity: 0; transform: translateY(28px); transition: 1.1s cubic-bezier(.16,.7,.2,1); }
.reveal.in { opacity: 1; transform: none; }

/* ── 導覽列 ── */
.nav { position: sticky; top: 0; z-index: 50;
  background: rgba(250, 248, 244, .78);
  backdrop-filter: blur(14px) saturate(150%);
  -webkit-backdrop-filter: blur(14px) saturate(150%);
  border-bottom: 1px solid var(--line-soft); transition: box-shadow .4s; }
.nav.scrolled { box-shadow: 0 10px 34px rgba(122, 103, 76, .1); }
.nav-in { display: flex; align-items: center; gap: 20px; padding-top: 16px; padding-bottom: 16px; }
.brand-tx { font-size: 21px; font-weight: 500; letter-spacing: 6px; color: var(--ink); white-space: nowrap; }
.brand-tx:hover { color: var(--btn-deep); transition: color .3s; }
.links { display: flex; gap: 0; margin-left: auto; align-items: center; }
.links > .nav-item { position: relative; }
.links a.top-link { display: inline-flex; align-items: center; gap: 6px; padding: 10px 15px;
  font-size: 15.5px; letter-spacing: 2.5px; color: var(--ink-soft); transition: .3s; position: relative; white-space: nowrap; }
.links a.top-link::after { content: ''; position: absolute; left: 15px; right: 15px; bottom: 3px; height: 1px;
  background: var(--btn-deep); transform: scaleX(0); transform-origin: left; transition: transform .35s; }
.links a.top-link:hover::after, .links a.top-link[aria-current]::after { transform: scaleX(1); }
.links a.top-link:hover, .links a.top-link[aria-current] { color: var(--ink); }
.caret { width: 8px; height: 8px; border-right: 1px solid currentColor; border-bottom: 1px solid currentColor;
  transform: rotate(45deg) translateY(-2px); transition: transform .3s; }
.nav-item:hover .caret, .nav-item:focus-within .caret { transform: rotate(225deg) translateY(-1px); }

.dropdown { position: absolute; top: calc(100% + 10px); left: 50%; transform: translate(-50%, 8px);
  min-width: 200px; padding: 14px 10px; border-radius: 16px;
  background: rgba(255, 254, 250, .96); backdrop-filter: blur(18px);
  border: 1px solid var(--line); box-shadow: var(--shadow-soft);
  opacity: 0; visibility: hidden; transition: .3s; z-index: 60; }
.nav-item:hover .dropdown, .nav-item:focus-within .dropdown { opacity: 1; visibility: visible; transform: translate(-50%, 0); }
.dropdown::before { content: ''; position: absolute; top: -10px; left: 0; right: 0; height: 10px; }
.dropdown a { display: block; padding: 10px 18px; font-size: 14.5px; letter-spacing: 2.5px;
  color: var(--ink-soft); border-radius: 10px; transition: .25s; white-space: nowrap; }
.dropdown a:hover { background: rgba(var(--gold-rgb), .14); color: var(--ink); padding-left: 24px; }
.dropdown .dd-label { padding: 4px 18px 8px; font-size: 10.5px; letter-spacing: 4px;
  color: var(--gold); text-transform: uppercase; }

.nav-cta { padding: 11px 26px; margin-left: 10px; font-size: 14px; letter-spacing: 2.5px; border-radius: 999px;
  background: var(--btn); color: #fff; white-space: nowrap; transition: .35s; }
.nav-cta:hover { background: var(--btn-deep); }
.burger { display: none; flex-direction: column; gap: 6px; background: none; border: 0; cursor: pointer; padding: 8px; margin-left: auto; }
.burger span { width: 26px; height: 1.5px; background: var(--ink); transition: .3s; }
.burger.open span:nth-child(1) { transform: translateY(7.5px) rotate(45deg); }
.burger.open span:nth-child(2) { opacity: 0; }
.burger.open span:nth-child(3) { transform: translateY(-7.5px) rotate(-45deg); }

.mobile-menu { display: none; flex-direction: column; position: fixed; inset: 76px 16px auto 16px; z-index: 52;
  padding: 14px 22px 22px; border-radius: 20px; background: rgba(250, 248, 244, .95);
  backdrop-filter: blur(20px); border: 1px solid var(--line); box-shadow: var(--shadow-soft);
  max-height: calc(100dvh - 76px - 96px); overflow-y: auto; -webkit-overflow-scrolling: touch; overscroll-behavior: contain; }
.mobile-menu.open { display: flex; }
.mobile-menu .mm-group { padding: 12px 4px 4px; font-size: 11px; letter-spacing: 4px; color: var(--gold); text-transform: uppercase; }
.mobile-menu a { display: block; padding: 12px 6px; font-size: 16.5px; letter-spacing: 3px;
  border-bottom: 1px solid var(--line-soft); color: var(--ink); }
.mobile-menu a.mm-sub { font-size: 15px; padding-left: 20px; color: var(--ink-soft); }
.mobile-menu .m-cta { margin-top: 16px; text-align: center; background: var(--btn); color: #fff;
  border-radius: 999px; border-bottom: 0; font-size: 16px; padding: 14px; letter-spacing: 3px; }

/* ── 側邊 CTA（桌機右側直欄：電話/FB/IG/LINE）── */
.side-cta { position: fixed; right: 22px; top: 50%; transform: translateY(-50%); z-index: 45;
  display: flex; flex-direction: column; border-radius: 999px; overflow: hidden;
  background: var(--glass-strong); backdrop-filter: blur(12px);
  border: 1px solid rgba(var(--gold-rgb), .5); box-shadow: var(--shadow-soft); }
.side-cta a { display: flex; align-items: center; justify-content: center; width: 52px; height: 52px;
  color: var(--ink-soft); border-bottom: 1px solid var(--line-soft); transition: .3s; }
.side-cta a:last-child { border-bottom: 0; }
.side-cta a:hover { background: var(--btn); color: #fff; }
.side-cta svg { width: 20px; height: 20px; }
.to-top { position: fixed; right: 22px; bottom: 22px; z-index: 45; width: 44px; height: 44px;
  display: flex; align-items: center; justify-content: center; border-radius: 50%;
  border: 1px solid var(--line); background: var(--glass-strong); backdrop-filter: blur(10px);
  color: var(--ink); font-size: 18px; opacity: 0; pointer-events: none; transition: .3s; }
.to-top.show { opacity: 1; pointer-events: auto; }
.to-top:hover { border-color: var(--btn-deep); color: var(--btn-deep); }

/* ── 手機底部快捷列 ── */
.m-dock { display: none; }

/* ── 分頁頁首橫幅 ── */
.page-hero { background: linear-gradient(180deg, var(--block) 0%, rgba(242, 236, 227, 0) 100%);
  padding: clamp(48px, 8vw, 90px) 0 clamp(28px, 5vw, 56px); }
.page-hero .crumbs { font-size: 12.5px; letter-spacing: 3px; color: var(--muted); margin-bottom: 18px; }
.page-hero .crumbs a:hover { color: var(--btn-deep); }
.page-hero h1 { font-size: clamp(30px, 4.5vw, 46px); font-weight: 500; letter-spacing: 8px; color: var(--ink); }
.page-hero .en { display: block; margin-top: 10px; font-size: 13px; letter-spacing: 6px;
  color: var(--gold); text-transform: uppercase; }

/* ── 表單 ── */
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px 22px; }
.form-grid .full { grid-column: 1 / -1; }
.field label { display: block; font-size: 13.5px; letter-spacing: 3px; color: var(--ink-soft); margin-bottom: 8px; }
.field label b { color: var(--btn-deep); font-weight: 400; }
.field input, .field select, .field textarea { width: 100%; padding: 13px 16px; font-size: 15px;
  font-family: inherit; color: var(--ink); letter-spacing: 1px;
  background: rgba(255, 255, 255, .75); border: 1px solid var(--line); border-radius: 12px;
  transition: border-color .3s, box-shadow .3s; }
.field input:focus, .field select:focus, .field textarea:focus { outline: none;
  border-color: var(--btn-deep); box-shadow: 0 0 0 3px rgba(var(--gold-rgb), .18); }
.field textarea { min-height: 130px; resize: vertical; }

/* ── 頁尾 ── */
.footer { margin-top: 110px; border-top: 1px solid var(--line); background: rgba(246, 241, 232, .6); }
.ft-cta { text-align: center; padding: clamp(56px, 8vw, 90px) 0 clamp(36px, 5vw, 60px); }
.ft-eyebrow { font-size: 13px; letter-spacing: 5px; color: var(--gold); text-transform: uppercase; }
.ft-h2 { font-size: clamp(26px, 4.5vw, 46px); font-weight: 500; margin: 18px 0 14px; letter-spacing: 6px; color: var(--ink); }
.ft-h2 em { font-style: normal; color: var(--btn-deep); }
.ft-sub { color: var(--muted); font-size: 15.5px; margin-bottom: 30px; letter-spacing: 1.5px; }
.ft-grid { padding: 44px 0 40px; display: grid; grid-template-columns: 1.6fr 1fr 1fr 1.3fr; gap: 36px; border-top: 1px solid var(--line); }
.ft-logo { display: flex; align-items: baseline; gap: 10px; }
.ft-logo .gz { font-size: 34px; font-weight: 500; letter-spacing: 2px; color: var(--btn-deep); line-height: 1; }
.ft-logo .nm { font-size: 19px; font-weight: 500; letter-spacing: 5px; color: var(--ink); }
.ft-tag { color: var(--muted); font-size: 13.5px; margin-top: 14px; letter-spacing: 2px; }
.ft-col h4 { font-size: 12px; letter-spacing: 4px; color: var(--gold); margin-bottom: 16px; font-weight: 400; text-transform: uppercase; }
.ft-col a, .ft-col span { display: block; color: var(--muted); font-size: 14.5px; padding: 5px 0; transition: .25s; letter-spacing: 1px; }
.ft-col a:hover { color: var(--btn-deep); padding-left: 5px; }
.ft-base { border-top: 1px solid var(--line-soft); padding: 20px 0 24px; display: flex;
  justify-content: space-between; flex-wrap: wrap; gap: 8px; font-size: 12px; color: var(--muted); letter-spacing: 1px; }
.ft-disclaimer { padding: 0 0 6px; font-size: 12px; color: var(--muted); text-align: center; letter-spacing: 1px; }

/* ── RWD ── */
@media (max-width: 1180px) { .edge-note { display: none; } }
@media (max-width: 1080px) {
  .links, .nav-cta { display: none; }
  .burger { display: flex; }
  .ft-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 860px) {
  .side-cta, .to-top { display: none; }
  .form-grid { grid-template-columns: 1fr; }
  .m-dock { position: fixed; left: 12px; right: 12px; bottom: 12px; z-index: 48;
    display: grid; grid-template-columns: repeat(4, 1fr); gap: 6px; align-items: stretch;
    padding: 8px 8px calc(8px + env(safe-area-inset-bottom)); border-radius: 18px;
    background: rgba(255, 253, 248, .82); backdrop-filter: blur(16px) saturate(150%);
    border: 1px solid var(--line); box-shadow: var(--shadow-soft); }
  .m-dock a { display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 3px;
    min-height: 48px; padding: 6px 4px; font-size: 11px; letter-spacing: 2px;
    color: var(--ink); border-radius: 14px; transition: .3s; }
  .m-dock a:active { background: rgba(var(--gold-rgb), .18); }
  .m-dock svg { width: 18px; height: 18px; }
  .footer { padding-bottom: 84px; }
  body { line-height: 1.85; }
}
@media (max-width: 560px) {
  .ft-grid { grid-template-columns: 1fr; }
  .ft-base { flex-direction: column; }
  .brand-tx { font-size: 18px; letter-spacing: 4px; }
}
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  html { scroll-behavior: auto; }
  .blob { animation: none; }
}

/* ═══════════════════════════════════════════════
   主題二：玫瑰金（demo1 晨煦玫瑰金色系）
   由右下角換色按鈕切換，localStorage 記憶
   ═══════════════════════════════════════════════ */
[data-theme="rose"] {
  --paper: #FBF6F1;
  --paper-2: #F5EAE3;
  --block: #F4E8E2;
  --btn: #B76E79;
  --btn-deep: #9C5560;
  --ink: #5B4A4E;
  --ink-soft: #6E5A5E;
  --muted: #9C8489;
  --gold: #C99AA1;
  --gold-rgb: 183, 110, 121;
  --line: rgba(91, 74, 78, 0.16);
  --line-soft: rgba(91, 74, 78, 0.09);
}
[data-theme="rose"] .bg-paper {
  background: linear-gradient(180deg, #FBF6F1 0%, #F8EFE9 55%, #F5EAE3 100%);
}
[data-theme="rose"] .b1 { background: radial-gradient(circle at 40% 40%, #F4CFC8 0%, rgba(244, 207, 200, 0) 70%); }
[data-theme="rose"] .b2 { background: radial-gradient(circle at 55% 45%, #EED7C2 0%, rgba(238, 215, 194, 0) 70%); }
[data-theme="rose"] .b3 { background: radial-gradient(circle at 50% 50%, #E4D8D2 0%, rgba(228, 216, 210, 0) 72%); }
[data-theme="rose"] .nav { background: rgba(251, 246, 241, .78); }
[data-theme="rose"] .mobile-menu { background: rgba(251, 246, 241, .95); }
/* ── 換色按鈕（香檳金 ⇄ 玫瑰金）── */
.theme-toggle { position: fixed; left: 22px; bottom: 22px; z-index: 46;
  display: inline-flex; align-items: center; gap: 10px; padding: 10px 18px 10px 12px;
  border-radius: 999px; border: 1px solid var(--line); cursor: pointer;
  background: var(--glass-strong); backdrop-filter: blur(12px);
  box-shadow: var(--shadow-soft); font-family: inherit; transition: .3s; }
.theme-toggle:hover { border-color: var(--btn-deep); transform: translateY(-2px); }
.theme-toggle .tt-dot { width: 22px; height: 22px; border-radius: 50%; flex: 0 0 auto;
  background: linear-gradient(135deg, #D8C4A8 0%, #D8C4A8 49%, #B76E79 51%, #B76E79 100%);
  border: 1px solid rgba(255,255,255,.8); box-shadow: inset 0 0 0 1px rgba(91,81,72,.12); }
.theme-toggle .tt-tx { font-size: 12.5px; letter-spacing: 2.5px; color: var(--ink-soft); white-space: nowrap; }
@media (max-width: 860px) {
  .theme-toggle { bottom: calc(84px + env(safe-area-inset-bottom)); left: 12px; padding: 9px 14px 9px 10px; }
  .theme-toggle .tt-tx { font-size: 11px; letter-spacing: 1.5px; }
}