/* ==========================================================
   KOUCAST — 官方網站樣式
   依 KOUCAST VI 規範：PANTONE 3005C #0075c9 / PANTONE 338C #6bcdb2
   字體：思源黑體 Noto Sans TC（Light / Medium / Bold / Black）
   ========================================================== */

:root {
  --blue: #0075c9;
  --blue-80: #3391d4;
  --blue-60: #66acdf;
  --blue-40: #99c8e9;
  --blue-20: #cce3f4;
  --blue-10: #e8f3fb;
  --blue-deep: #005c9e;

  --green: #6bcdb2;
  --green-60: #97dcc9;
  --green-40: #c4ebe0;
  --green-20: #e1f5f0;

  --ink: #14222d;
  --ink-70: #45535e;
  --ink-45: #7d8a94;
  --paper: #fbfdfe;
  --line: #dfe7ed;

  --font: "Noto Sans TC", "PingFang TC", "Microsoft JhengHei", sans-serif;
  --notch: 26px;
  --ease: cubic-bezier(.22, .9, .3, 1);
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  font-weight: 400;
  color: var(--ink);
  background: var(--paper);
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }

.wrap { max-width: 1200px; margin: 0 auto; padding: 0 28px; }
.wrap--narrow { max-width: 880px; }

::selection { background: var(--blue); color: #fff; }

/* ---------- 通用元件 ---------- */

/* 品牌箭頭 icon */
.ic-arrow { width: .92em; height: .92em; flex: 0 0 auto; }

/* 缺角造型（呼應 LOGO 方塊） */
.notch {
  clip-path: polygon(
    0 0,
    calc(100% - var(--notch)) 0,
    calc(100% - var(--notch)) var(--notch),
    100% var(--notch),
    100% 100%,
    0 100%
  );
}

/* REC 紅點 */
.rec-dot {
  display: inline-block;
  width: 9px; height: 9px;
  border-radius: 50%;
  background: #ff4d4d;
  animation: blink 1.6s infinite;
}
@keyframes blink { 0%, 100% { opacity: 1; } 50% { opacity: .25; } }

/* 按鈕 */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 15px 30px;
  font-family: var(--font);
  font-size: 16.5px;
  font-weight: 700;
  letter-spacing: .06em;
  cursor: pointer;
  border: 2px solid transparent;
  transition: transform .35s var(--ease), background .25s, color .25s, border-color .25s, box-shadow .35s;
}
.btn .ic-arrow { transition: transform .35s var(--ease); }
.btn:hover .ic-arrow { transform: translate(-3px, -3px); }

.btn--primary {
  background: var(--blue);
  color: #fff;
  box-shadow: 6px 6px 0 var(--blue-20);
}
.btn--primary:hover { transform: translate(-2px, -2px); box-shadow: 10px 10px 0 var(--blue-20); background: var(--blue-deep); }

.btn--line {
  background: var(--green);
  color: var(--ink);
  box-shadow: 6px 6px 0 var(--green-20);
}
.btn--line:hover { transform: translate(-2px, -2px); box-shadow: 10px 10px 0 var(--green-20); background: var(--green-60); }

.btn--ghost {
  background: transparent;
  color: var(--blue);
  border-color: var(--blue);
}
.btn--ghost:hover { background: var(--blue); color: #fff; }

.btn--sm { padding: 10px 20px; font-size: 15px; }
.btn--big { padding: 18px 36px; font-size: 18px; }

/* 進場動畫 */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity .8s var(--ease), transform .8s var(--ease); }
.reveal.in { opacity: 1; transform: none; }
.reveal.d1 { transition-delay: .08s; }
.reveal.d2 { transition-delay: .18s; }
.reveal.d3 { transition-delay: .3s; }
.reveal.d4 { transition-delay: .42s; }
.reveal.d5 { transition-delay: .55s; }

@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  .rec-dot, .eq span, .marquee__track { animation: none !important; }
}

/* ---------- 頂部品牌列 ---------- */
.topbar {
  background: var(--ink);
  color: rgba(255, 255, 255, .78);
  font-size: 13px;
  letter-spacing: .14em;
}
.topbar__in {
  display: flex;
  justify-content: space-between;
  align-items: center;
  min-height: 34px;
  gap: 16px;
}
.topbar__brand { font-weight: 500; white-space: nowrap; }
.topbar__link { color: rgba(255, 255, 255, .62); transition: color .2s; white-space: nowrap; }
.topbar__link:hover { color: var(--green); }

/* ---------- 導覽列 ---------- */
.nav {
  position: sticky;
  top: 0;
  z-index: 90;
  background: rgba(251, 253, 254, .92);
  border-bottom: 1px solid transparent;
  transition: border-color .3s, box-shadow .3s;
}
/* 毛玻璃效果放在偽元素，避免 backdrop-filter 影響手機選單的 fixed 定位 */
.nav::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}
.nav.scrolled { border-bottom-color: var(--line); box-shadow: 0 6px 24px rgba(20, 34, 45, .05); }

.nav__in {
  display: flex;
  align-items: center;
  gap: 34px;
  min-height: 74px;
}
.nav__logo { display: flex; align-items: center; gap: 12px; margin-right: auto; }
.nav__word { font-size: 21px; letter-spacing: .04em; line-height: 1; }
.nav__word b { font-weight: 900; color: var(--blue); }
.nav__word i { font-style: normal; font-weight: 900; color: var(--green); }

.nav__links { display: flex; align-items: center; gap: 28px; }
.nav__links a {
  font-size: 16.5px;
  font-weight: 500;
  color: var(--ink-70);
  position: relative;
  padding: 4px 0;
  transition: color .2s;
}
.nav__links a::after {
  content: "";
  position: absolute;
  left: 0; bottom: -2px;
  width: 100%; height: 2px;
  background: var(--blue);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform .3s var(--ease);
}
.nav__links a:hover { color: var(--blue); }
.nav__links a:hover::after { transform: scaleX(1); transform-origin: left; }
.nav__flowyard { font-size: 14.5px !important; color: var(--ink-45) !important; }

.nav__cta { padding: 11px 22px; font-size: 15.5px; }
.nav__mobile-cta { display: none; }

.nav__burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: 0;
  padding: 8px;
  cursor: pointer;
}
.nav__burger span { width: 24px; height: 2.5px; background: var(--ink); transition: transform .3s var(--ease), opacity .2s; }
.nav__burger[aria-expanded="true"] span:nth-child(1) { transform: translateY(7.5px) rotate(45deg); }
.nav__burger[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav__burger[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7.5px) rotate(-45deg); }

/* ---------- HERO ---------- */
.hero {
  position: relative;
  overflow: hidden;
  padding: 88px 0 96px;
  background:
    linear-gradient(180deg, rgba(0, 117, 201, .045), rgba(0, 117, 201, 0) 55%),
    var(--paper);
}
.hero__grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 72px 72px;
  opacity: .5;
  mask-image: linear-gradient(180deg, #000 30%, transparent 95%);
  -webkit-mask-image: linear-gradient(180deg, #000 30%, transparent 95%);
}
.hero__deco { position: absolute; pointer-events: none; }
.hero__deco--a {
  width: 200px; height: 200px;
  right: -60px; top: 60px;
  background: var(--green-20);
  clip-path: polygon(0 0, 100% 0, 100% 100%, 42% 100%, 42% 62%, 0 62%);
}
.hero__deco--b {
  width: 130px; height: 130px;
  left: -46px; bottom: 90px;
  background: var(--blue-20);
  clip-path: polygon(0 0, 100% 0, 100% 100%, 42% 100%, 42% 62%, 0 62%);
}

.hero__in {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(0, .75fr);
  gap: 60px;
  align-items: center;
}

.hero__kicker {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 14.5px;
  font-weight: 700;
  letter-spacing: .3em;
  color: var(--blue);
  border: 1.5px solid var(--blue-40);
  padding: 8px 18px;
  margin-bottom: 30px;
  background: rgba(255, 255, 255, .7);
}

.hero__title {
  font-size: clamp(44px, 6.6vw, 84px);
  font-weight: 900;
  line-height: 1.12;
  letter-spacing: .01em;
}
.hero__title span { display: block; }
.hero__title span:first-child { color: var(--blue); letter-spacing: -.01em; }
.hero__title em { font-style: normal; color: var(--green); position: relative; }
.hero__period { display: inline !important; color: var(--blue); }

.hero__en {
  margin-top: 18px;
  font-size: 15.5px;
  font-weight: 700;
  letter-spacing: .42em;
  color: var(--ink-45);
}
.hero__sub {
  margin-top: 18px;
  max-width: 460px;
  font-size: 18px;
  font-weight: 300;
  color: var(--ink-70);
}
.hero__cta { display: flex; flex-wrap: wrap; gap: 16px; margin-top: 38px; }

.hero__stats {
  display: flex;
  flex-wrap: wrap;
  margin-top: 56px;
  border-top: 1px solid var(--line);
}
.hero__stats li {
  padding: 20px 34px 0 0;
  margin-right: 34px;
  border-right: 1px solid var(--line);
}
.hero__stats li:last-child { border-right: 0; margin-right: 0; padding-right: 0; }
.hero__stats b { display: block; font-size: 34px; font-weight: 900; color: var(--blue); line-height: 1.1; }
.hero__stats b i { font-style: normal; font-size: 18px; color: var(--green); font-weight: 700; margin-left: 2px; }
.hero__stats span { font-size: 13.5px; letter-spacing: .12em; color: var(--ink-45); }

/* hero 右側視覺 */
.hero__visual {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 34px;
}
.hero__mark { width: min(300px, 70%); position: relative; }
.mark-svg { width: 100%; height: auto; overflow: visible; }
.mark-arrow { animation: nudge 3.2s var(--ease) infinite; }
@keyframes nudge {
  0%, 100% { transform: translate(0, 0); }
  12% { transform: translate(-7px, -7px); }
  24% { transform: translate(0, 0); }
}

.eq { display: flex; align-items: flex-end; gap: 6px; height: 54px; }
.eq span {
  width: 7px;
  background: linear-gradient(180deg, var(--green), var(--blue));
  animation: eq 1.1s ease-in-out infinite;
}
.eq span:nth-child(1)  { height: 30%; animation-delay: -.9s; }
.eq span:nth-child(2)  { height: 62%; animation-delay: -.7s; }
.eq span:nth-child(3)  { height: 95%; animation-delay: -.4s; }
.eq span:nth-child(4)  { height: 50%; animation-delay: -1s; }
.eq span:nth-child(5)  { height: 78%; animation-delay: -.2s; }
.eq span:nth-child(6)  { height: 38%; animation-delay: -.6s; }
.eq span:nth-child(7)  { height: 88%; animation-delay: -.85s; }
.eq span:nth-child(8)  { height: 55%; animation-delay: -.35s; }
.eq span:nth-child(9)  { height: 70%; animation-delay: -.15s; }
.eq span:nth-child(10) { height: 42%; animation-delay: -.55s; }
.eq span:nth-child(11) { height: 90%; animation-delay: -.75s; }
.eq span:nth-child(12) { height: 34%; animation-delay: -.05s; }
.eq span:nth-child(13) { height: 66%; animation-delay: -.45s; }
.eq span:nth-child(14) { height: 48%; animation-delay: -.25s; }
@keyframes eq { 0%, 100% { transform: scaleY(.35); } 50% { transform: scaleY(1); } }

.hero__visual-cap { font-size: 12.5px; letter-spacing: .34em; color: var(--ink-45); font-weight: 500; }

/* ---------- 跑馬燈 ---------- */
.marquee {
  background: var(--blue);
  color: #fff;
  overflow: hidden;
  padding: 15px 0;
}
.marquee__track {
  display: flex;
  align-items: center;
  gap: 38px;
  width: max-content;
  animation: marquee 36s linear infinite;
}
.marquee__track span {
  font-size: 16px;
  font-weight: 700;
  letter-spacing: .26em;
  white-space: nowrap;
}
.marquee__track i { font-style: normal; color: var(--green); font-size: 17px; }
@keyframes marquee { to { transform: translateX(-50%); } }

/* ---------- 章節區塊 ---------- */
.sec { padding: 110px 0; }
.sec--tint { background: linear-gradient(180deg, var(--green-20), rgba(225, 245, 240, .25)); }

/* 章節標頭（仿 VI 手冊 A.1 編號樣式） */
.sec-head { display: flex; gap: 26px; margin-bottom: 64px; }
.sec-head__no {
  font-size: 16.5px;
  font-weight: 900;
  color: var(--blue);
  letter-spacing: .08em;
  padding-top: 10px;
}
.sec-head__t h2 {
  font-size: clamp(30px, 4vw, 44px);
  font-weight: 900;
  letter-spacing: .02em;
  line-height: 1.25;
}
.sec-head__t h2 .en {
  font-size: .42em;
  font-weight: 700;
  letter-spacing: .3em;
  color: var(--ink-45);
  margin-left: 14px;
  vertical-align: 3px;
}
.sec-head__rule { display: block; width: 46px; height: 5px; background: var(--blue); margin: 18px 0 20px; }
.sec-head__t p { max-width: 620px; color: var(--ink-70); font-weight: 300; font-size: 17.5px; }
.sec-head__t p b { color: var(--blue); font-weight: 700; }

.sec--blue .sec-head__t p { color: rgba(255, 255, 255, .82); }
.sec-head--light .sec-head__no { color: var(--green); }
.sec-head--light h2 { color: #fff; }
.sec-head--light h2 .en { color: rgba(255, 255, 255, .55); }
.sec-head--light .sec-head__rule { background: var(--green); }

/* ---------- 服務詳情頁 ---------- */
.sd-hero {
  background:
    radial-gradient(70% 90% at 100% 0%, rgba(0, 117, 201, .32), transparent 55%),
    radial-gradient(46% 60% at 0% 100%, rgba(107, 205, 178, .16), transparent 55%),
    var(--ink);
  color: #fff;
  padding: 70px 0 60px;
}
.sd-hero h1 { font-size: clamp(32px, 4.6vw, 52px); font-weight: 900; letter-spacing: .03em; line-height: 1.3; }
.sd-hero h1 em { font-style: normal; color: var(--green); }
.sd-hero > .wrap > p { margin-top: 16px; font-size: 17.5px; font-weight: 300; color: rgba(255,255,255,.8); max-width: 640px; }
.sd-hero__clients { display: flex; flex-wrap: wrap; gap: 8px 10px; margin-top: 28px; align-items: center; }
.sd-hero__clients b { font-size: 13px; letter-spacing: .22em; color: var(--green); font-weight: 700; margin-right: 6px; }
.sd-hero__clients span {
  font-size: 14.5px;
  font-weight: 500;
  color: rgba(255,255,255,.85);
  border: 1px solid rgba(255,255,255,.28);
  padding: 5px 14px;
}

.sd-sec { padding: 82px 0; }
.sd-sec:nth-of-type(even) { background: linear-gradient(180deg, var(--green-20), rgba(225,245,240,.2)); }
.sd-sec__head { display: flex; align-items: baseline; gap: 16px; }
.sd-sec__head .no { font-size: 15.5px; font-weight: 900; color: var(--blue); letter-spacing: .1em; }
.sd-sec__head h2 { font-size: clamp(25px, 3.2vw, 34px); font-weight: 900; letter-spacing: .04em; }
.sd-sec__head .tag {
  font-size: 12.5px;
  font-weight: 700;
  letter-spacing: .16em;
  color: var(--blue-deep);
  background: var(--blue-10);
  border: 1px solid var(--blue-20);
  padding: 4px 12px;
  margin-left: 4px;
}
.sd-sec__lead { margin-top: 14px; max-width: 720px; color: var(--ink-70); font-weight: 300; font-size: 16.5px; }
.sd-sec__lead b { color: var(--ink); font-weight: 700; }

.sd-cols { display: grid; grid-template-columns: minmax(0, 1.35fr) minmax(0, .65fr); gap: 48px; margin-top: 40px; align-items: start; }

.sd-block-title {
  font-size: 13.5px;
  font-weight: 700;
  letter-spacing: .26em;
  color: var(--blue);
  margin-bottom: 18px;
}

/* 合作流程 */
.sd-flow { display: flex; flex-direction: column; gap: 0; }
.sd-flow li {
  position: relative;
  display: flex;
  gap: 18px;
  padding: 0 0 26px 0;
}
.sd-flow li::before {
  content: "";
  position: absolute;
  left: 17px; top: 38px; bottom: 2px;
  width: 2px;
  background: var(--blue-20);
}
.sd-flow li:last-child::before { display: none; }
.sd-flow .n {
  flex: 0 0 auto;
  width: 36px; height: 36px;
  display: flex; align-items: center; justify-content: center;
  font-size: 16.5px;
  font-weight: 900;
  color: #fff;
  background: var(--blue);
  clip-path: polygon(0 0, 100% 0, 100% 100%, 30% 100%, 30% 76%, 0 76%);
  padding-bottom: 4px; padding-right: 3px;
}
.sd-flow h4 { font-size: 17.5px; font-weight: 700; letter-spacing: .04em; }
.sd-flow p { font-size: 15px; font-weight: 300; color: var(--ink-70); margin-top: 3px; line-height: 1.8; }

/* 服務內容清單 */
.sd-list li {
  position: relative;
  padding-left: 22px;
  font-size: 16px;
  color: var(--ink-70);
  margin-bottom: 10px;
  line-height: 1.8;
}
.sd-list li::before {
  content: "";
  position: absolute;
  left: 0; top: 9px;
  width: 10px; height: 10px;
  background: var(--green);
  clip-path: polygon(0 0, 100% 0, 100% 100%, 42% 100%, 42% 62%, 0 62%);
}
.sd-list li b { color: var(--ink); font-weight: 700; }

/* 價格卡 */
.sd-prices { display: flex; flex-direction: column; gap: 16px; }
.sd-price {
  background: #fff;
  border: 1px solid var(--line);
  border-top: 4px solid var(--blue);
  padding: 22px 24px;
}
.sd-sec:nth-of-type(even) .sd-price { border-color: rgba(20,34,45,.1); border-top-color: var(--blue); }
.sd-price__name { font-size: 15.5px; font-weight: 700; letter-spacing: .06em; }
.sd-price__amount { font-size: 26px; font-weight: 900; color: var(--blue); margin: 4px 0 2px; }
.sd-price__amount i { font-style: normal; font-size: 15px; font-weight: 400; color: var(--ink-45); }
.sd-price__desc { font-size: 14px; color: var(--ink-70); font-weight: 300; line-height: 1.8; }
.sd-price--hint { border-top-color: var(--green); }
.sd-price--hint .sd-price__amount { color: var(--ink); font-size: 20px; }

/* 合作對象 chips */
.sd-clients { display: flex; flex-wrap: wrap; gap: 8px; }
.sd-clients span {
  font-size: 14.5px;
  font-weight: 500;
  background: #fff;
  border: 1px solid var(--line);
  padding: 6px 15px;
  color: var(--ink-70);
}

/* 作品列 */
.sd-works { margin-top: 44px; }
.sd-works .works-grid { grid-template-columns: repeat(4, 1fr); gap: 18px; }
.sd-works .work { aspect-ratio: 16 / 10; padding: 18px; }
.sd-works .work h3 { font-size: 16.5px; }
.sd-works .work__cat { font-size: 9.5px; letter-spacing: .2em; }

.sd-cta-row { margin-top: 40px; display: flex; flex-wrap: wrap; align-items: center; gap: 16px; }
.sd-cta-row .note { font-size: 14.5px; color: var(--ink-45); }

@media (max-width: 900px) {
  .sd-cols { grid-template-columns: 1fr; gap: 36px; }
  .sd-works .works-grid { grid-template-columns: repeat(2, 1fr); }
}

/* 首頁服務卡片改為可點擊 */
a.svc { display: block; color: inherit; }
a.svc .svc__more {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 14px;
  font-size: 13.5px;
  font-weight: 700;
  letter-spacing: .06em;
  color: var(--blue);
}
a.svc .svc__more .ic-arrow { transition: transform .3s var(--ease); }
a.svc:hover .svc__more .ic-arrow { transform: translate(-2px, -2px); }

/* ---------- 影像製作主打區 ---------- */
.prod {
  position: relative;
  background:
    radial-gradient(70% 90% at 100% 0%, rgba(0, 117, 201, .3), transparent 55%),
    radial-gradient(50% 70% at 0% 100%, rgba(107, 205, 178, .16), transparent 55%),
    var(--ink);
  color: #fff;
  padding: 100px 0;
  overflow: hidden;
}
.prod::before {
  content: "";
  position: absolute;
  right: -70px; top: -70px;
  width: 240px; height: 240px;
  background: rgba(107, 205, 178, .12);
  clip-path: polygon(0 0, 100% 0, 100% 100%, 42% 100%, 42% 62%, 0 62%);
}
.prod__head { max-width: 780px; margin-bottom: 54px; }
.prod__kicker {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 13.5px;
  font-weight: 700;
  letter-spacing: .3em;
  color: var(--green);
  border: 1.5px solid rgba(107, 205, 178, .45);
  padding: 7px 16px;
  margin-bottom: 26px;
}
.prod__head h2 {
  font-size: clamp(32px, 4.6vw, 54px);
  font-weight: 900;
  line-height: 1.3;
  letter-spacing: .02em;
}
.prod__head h2 em { font-style: normal; color: var(--green); }
.prod__head > p {
  margin-top: 18px;
  font-size: 18px;
  font-weight: 300;
  color: rgba(255, 255, 255, .78);
  max-width: 640px;
}
.prod__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 26px;
}
.prod-card {
  background: rgba(255, 255, 255, .045);
  border: 1px solid rgba(255, 255, 255, .14);
  display: flex;
  flex-direction: column;
  transition: transform .35s var(--ease), border-color .3s, background .3s;
}
.prod-card:hover { transform: translateY(-6px); border-color: var(--green); background: rgba(255, 255, 255, .07); }
.prod-card__img { aspect-ratio: 16 / 10; overflow: hidden; }
.prod-card__img img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s var(--ease); }
.prod-card:hover .prod-card__img img { transform: scale(1.05); }
.prod-card__body { padding: 26px 28px 30px; flex: 1; }
.prod-card__no { font-size: 12.5px; font-weight: 700; letter-spacing: .24em; color: var(--green); }
.prod-card__body h3 { font-size: 21px; font-weight: 900; letter-spacing: .04em; margin: 10px 0 10px; }
.prod-card__body p { font-size: 15.5px; font-weight: 300; color: rgba(255, 255, 255, .75); line-height: 1.85; }
.prod__cta {
  margin-top: 52px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 18px;
}
.prod__cta-note { font-size: 15px; color: rgba(255, 255, 255, .55); letter-spacing: .04em; }
.prod .btn--ghost { color: #fff; border-color: rgba(255, 255, 255, .45); }
.prod .btn--ghost:hover { background: #fff; color: var(--ink); border-color: #fff; }

/* ---------- 01 錄音室 ---------- */
.store { margin-bottom: 78px; }
.store:last-child { margin-bottom: 0; }

.store__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 14px 26px;
  padding-bottom: 20px;
  margin-bottom: 30px;
  border-bottom: 2px solid var(--ink);
}
.store__head h3 {
  display: flex;
  align-items: center;
  gap: 14px;
  font-size: 27px;
  font-weight: 900;
  letter-spacing: .06em;
}
.store__tag {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .22em;
  color: #fff;
  background: var(--ink);
  padding: 4px 10px;
}
.store__addr {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 16px;
  color: var(--ink-70);
}
.store__addr .ic-arrow { color: var(--blue); }
.store__badge {
  margin-left: auto;
  font-size: 13.5px;
  font-weight: 700;
  letter-spacing: .1em;
  color: var(--blue);
  border: 1.5px dashed var(--blue-60);
  padding: 6px 14px;
  background: var(--blue-10);
}
.store__badge--green { color: #1d8a6d; border-color: var(--green); background: var(--green-20); }

.rooms {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}
.rooms--two { grid-template-columns: repeat(2, 1fr); }

.room {
  background: #fff;
  border: 1px solid var(--line);
  display: flex;
  flex-direction: column;
  transition: transform .4s var(--ease), box-shadow .4s var(--ease);
}
.room:hover { transform: translateY(-6px); box-shadow: 0 24px 48px rgba(20, 34, 45, .1); }

.room__cover {
  position: relative;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}
.room__cover img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; z-index: 2; }
.room__cover--luna {
  background:
    radial-gradient(120% 100% at 85% 10%, var(--green-40), transparent 55%),
    linear-gradient(145deg, var(--blue-20), var(--blue-60));
}
.room__cover--ollie {
  background:
    radial-gradient(120% 100% at 15% 90%, var(--blue-20), transparent 55%),
    linear-gradient(145deg, var(--green-20), var(--green));
}
.room__cover--stella {
  background:
    radial-gradient(130% 110% at 80% 85%, var(--green-40), transparent 50%),
    linear-gradient(150deg, var(--blue-40), var(--blue));
}
.room__letter {
  font-size: 120px;
  font-weight: 900;
  color: rgba(255, 255, 255, .8);
  line-height: 1;
  user-select: none;
}
.room__chip {
  position: absolute;
  left: 16px; top: 16px;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .18em;
  color: #fff;
  background: rgba(20, 34, 45, .68);
  padding: 5px 12px;
  z-index: 3;
}

.room__body { padding: 26px 26px 28px; display: flex; flex-direction: column; flex: 1; }
.room__name { display: flex; align-items: baseline; gap: 12px; }
.room__name h4 { font-size: 26px; font-weight: 900; letter-spacing: .1em; color: var(--blue); }
.room__name span {
  font-size: 12.5px;
  font-weight: 700;
  letter-spacing: .16em;
  color: var(--ink-45);
  border: 1px solid var(--line);
  padding: 2px 9px;
}
.room__style { font-size: 15.5px; color: var(--ink-70); margin-top: 4px; }

.room__tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 14px; }
.room__tags li {
  font-size: 13px;
  font-weight: 500;
  color: var(--blue-deep);
  background: var(--blue-10);
  padding: 4px 12px;
}

.room__spec { margin-top: 18px; padding-top: 18px; border-top: 1px dashed var(--line); flex: 1; }
.room__spec li {
  position: relative;
  padding-left: 20px;
  font-size: 15px;
  color: var(--ink-70);
  margin-bottom: 7px;
}
.room__spec li::before {
  content: "";
  position: absolute;
  left: 0; top: 8px;
  width: 9px; height: 9px;
  background: var(--green);
  clip-path: polygon(0 0, 100% 0, 100% 100%, 42% 100%, 42% 62%, 0 62%);
}

.room__price { margin-top: 20px; display: flex; align-items: baseline; gap: 4px; }
.room__price b { font-size: 27px; font-weight: 900; color: var(--ink); }
.room__price span { font-size: 15px; color: var(--ink-45); }

/* 可預覽、尚未開放預約的空間 */
.room--preview {
  background: #fff;
  border: 2px solid rgba(0, 117, 201, .28);
  box-shadow: 0 14px 34px rgba(0, 117, 201, .08);
}
.room--preview:hover {
  transform: translateY(-5px);
  border-color: rgba(0, 117, 201, .5);
  box-shadow: 0 22px 46px rgba(0, 117, 201, .14);
}
.room--preview .room__cover img {
  filter: saturate(.92) contrast(1.02);
  opacity: 1;
}
.room--preview .room__chip {
  background: rgba(0, 117, 201, .94);
  color: #fff;
}
.room--preview .room__name h4,
.room--preview .room__price b { color: var(--blue-deep); }
.room--preview .room__tags li {
  color: var(--blue-deep);
  background: var(--blue-10);
}
.room--preview .room__spec li::before { background: var(--green); }
/* HALO 雙價：兩個「金額＋模式」單位，各自不換行、並排或整齊堆疊 */
.room__price--dual { flex-wrap: wrap; column-gap: 18px; row-gap: 2px; }
.room__price--dual .pp {
  display: inline-flex;
  align-items: baseline;
  gap: 5px;
  white-space: nowrap;
  font-size: 14.5px;
  color: var(--ink-45);
}
.room__price--dual .pp b { font-size: 23px; color: var(--ink); }
.room--preview .room__price--dual .pp b { color: var(--blue-deep); }
.room__status {
  align-self: flex-start;
  margin-bottom: 12px;
  padding: 5px 11px;
  border: 1px solid rgba(0, 117, 201, .25);
  color: var(--blue-deep);
  background: linear-gradient(100deg, var(--blue-10), rgba(107, 205, 178, .2));
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .1em;
}

/* Coming soon 卡片 */
.room--soon {
  border: 2px dashed var(--blue-60);
  background: var(--blue-10);
  align-items: center;
  justify-content: center;
  text-align: center;
  min-height: 380px;
}
.room--soon:hover { box-shadow: none; }
.room__soon-in { padding: 40px 30px; display: flex; flex-direction: column; align-items: center; gap: 8px; }
.room__soon-4f {
  font-size: 62px;
  font-weight: 900;
  line-height: 1;
  color: transparent;
  -webkit-text-stroke: 2.5px var(--blue);
  letter-spacing: .04em;
  margin-bottom: 8px;
}
.room__soon-title { font-size: 19px; font-weight: 700; color: var(--blue-deep); }
.room__soon-sub { font-size: 15px; color: var(--ink-70); margin-bottom: 14px; }

/* ---------- 02 預約教學 ---------- */
.sec--blue {
  background:
    radial-gradient(90% 70% at 110% 110%, rgba(107, 205, 178, .28), transparent 60%),
    var(--blue);
  color: #fff;
}

.booking {
  display: grid;
  grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr);
  gap: 64px;
  align-items: start;
}

.booking__qr { display: flex; flex-direction: column; align-items: center; gap: 26px; position: sticky; top: 110px; }
.qr-card {
  background: #fff;
  color: var(--ink);
  padding: 34px;
  width: min(360px, 100%);
  text-align: center;
}
.qr-card__frame {
  position: relative;
  aspect-ratio: 1;
  margin-bottom: 22px;
  background: var(--blue-10);
  display: flex;
  align-items: center;
  justify-content: center;
}
.qr-card__frame img { width: 82%; height: 82%; object-fit: contain; }
.qr-card__corners::before, .qr-card__corners::after,
.qr-card__frame::before, .qr-card__frame::after {
  content: "";
  position: absolute;
  width: 30px; height: 30px;
  border: 4px solid var(--blue);
}
.qr-card__frame::before { left: 10px; top: 10px; border-right: 0; border-bottom: 0; }
.qr-card__frame::after { right: 10px; top: 10px; border-left: 0; border-bottom: 0; }
.qr-card__corners::before { left: 10px; bottom: 10px; border-right: 0; border-top: 0; }
.qr-card__corners::after { right: 10px; bottom: 10px; border-left: 0; border-top: 0; }

/* QR 圖檔尚未放入時的佔位（將真實 QR 放到 assets/line-qr.png 即自動顯示） */
.qr--placeholder {
  background:
    radial-gradient(circle at 50% 50%, var(--blue-10) 34%, transparent 35%),
    repeating-linear-gradient(0deg, var(--blue-20) 0 9px, transparent 9px 18px),
    repeating-linear-gradient(90deg, var(--blue-20) 0 9px, var(--blue-10) 9px 18px);
}
.qr--placeholder::before, .qr--placeholder::after { border-width: 5px; }

.qr-card__t { font-size: 19px; font-weight: 900; letter-spacing: .04em; }
.qr-card__s { font-size: 14.5px; color: var(--ink-45); margin-top: 4px; letter-spacing: .06em; }

.steps { display: flex; flex-direction: column; gap: 0; counter-reset: step; }
.step {
  display: flex;
  gap: 26px;
  padding: 30px 0;
  border-bottom: 1px solid rgba(255, 255, 255, .22);
}
.step:first-child { padding-top: 6px; }
.step__no {
  flex: 0 0 auto;
  width: 52px; height: 52px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  font-weight: 900;
  color: var(--blue);
  background: var(--green);
  clip-path: polygon(0 0, 100% 0, 100% 100%, 30% 100%, 30% 74%, 0 74%);
  padding-bottom: 6px;
  padding-right: 4px;
}
.step h3 { font-size: 20px; font-weight: 700; letter-spacing: .04em; }
.step p { font-size: 16.5px; font-weight: 300; color: rgba(255, 255, 255, .82); margin-top: 6px; }
.step p b { color: var(--green); font-weight: 700; }

.booking__note {
  margin-top: 56px;
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 16.5px;
  font-weight: 500;
  background: rgba(255, 255, 255, .12);
  border: 1px solid rgba(255, 255, 255, .25);
  padding: 18px 24px;
}
.booking__note .ic-arrow { color: var(--green); }

/* 儲值方案（好友方案）獨立強打區塊 */
.save-band {
  position: relative;
  overflow: hidden;
  padding: 92px 0;
  color: #fff;
  background:
    radial-gradient(72% 90% at 0% 0%, rgba(0, 117, 201, .38), transparent 56%),
    radial-gradient(56% 74% at 100% 100%, rgba(107, 205, 178, .16), transparent 55%),
    var(--ink);
}
.save-band::before {
  content: "";
  position: absolute;
  right: -70px; top: -70px;
  width: 240px; height: 240px;
  background: rgba(107, 205, 178, .1);
  clip-path: polygon(0 0, 100% 0, 100% 100%, 42% 100%, 42% 62%, 0 62%);
}
.save-band .wrap { position: relative; }
/* 舊版內嵌卡片樣式（保留給其他頁面使用） */
.save {
  margin-top: 56px;
  background: rgba(255, 255, 255, .06);
  border: 1px solid rgba(255, 255, 255, .2);
  padding: 40px 40px 34px;
}
.save__head { max-width: 720px; }
.save__tag {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .26em;
  color: var(--green);
}
.save__head h3 {
  font-size: clamp(26px, 3.4vw, 38px);
  font-weight: 900;
  letter-spacing: .02em;
  margin: 12px 0 12px;
}
.save__head h3 em {
  font-style: normal;
  color: var(--green);
  border-bottom: 4px solid var(--green);
  padding-bottom: 2px;
}
.save__head > p { font-size: 16.5px; font-weight: 300; color: rgba(255, 255, 255, .82); line-height: 1.85; }

.save__tiers {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  margin: 30px 0 22px;
}
.save-tier {
  position: relative;
  background: #fff;
  color: var(--ink);
  border: 1px solid var(--line);
  padding: 26px 28px 28px;
  display: flex;
  flex-direction: column;
  gap: 3px;
  overflow: hidden;
}
.save-tier--hot { border-color: transparent; }
.save-tier::before {
  content: "";
  position: absolute;
  right: -1px; top: -1px;
  width: 26px; height: 26px;
  background: var(--green-40);
  clip-path: polygon(0 0, 100% 0, 100% 100%, 42% 100%, 42% 62%, 0 62%);
}
.save-tier--hot { color: #fff; background: linear-gradient(150deg, var(--blue-deep), var(--blue)); }
.save-tier--hot::before { background: var(--green); }
.save-tier__label {
  font-size: 13.5px;
  font-weight: 700;
  letter-spacing: .12em;
  color: var(--blue);
  margin-bottom: 8px;
}
.save-tier--hot .save-tier__label { color: var(--green); }
.save-tier__pay { display: flex; align-items: baseline; gap: 7px; font-size: 16px; font-weight: 500; color: var(--ink-70); }
.save-tier__pay b { font-size: 37px; font-weight: 900; color: var(--ink); line-height: 1; letter-spacing: .01em; }
.save-tier--hot .save-tier__pay { color: rgba(255, 255, 255, .82); }
.save-tier--hot .save-tier__pay b { color: #fff; }
.save-tier__get { font-size: 15.5px; color: var(--ink-70); margin-top: 4px; }
.save-tier__get b { font-size: 19px; font-weight: 900; color: var(--blue); }
.save-tier--hot .save-tier__get { color: rgba(255, 255, 255, .8); }
.save-tier--hot .save-tier__get b { color: var(--green); }
.save-tier__off {
  align-self: flex-start;
  margin-top: 12px;
  font-size: 14.5px;
  font-weight: 700;
  letter-spacing: .08em;
  color: var(--blue-deep);
  background: var(--green-20);
  padding: 5px 14px;
}
.save-tier--hot .save-tier__off { color: var(--ink); background: var(--green); }
.save__foot { font-size: 14.5px; color: rgba(255, 255, 255, .6); letter-spacing: .02em; line-height: 1.8; }
.save__foot a { color: #fff; font-weight: 700; text-decoration: underline; }
@media (max-width: 620px) {
  .save { padding: 28px 22px 24px; }
  .save__tiers { grid-template-columns: 1fr; }
}

/* ---------- 03 製作服務 ---------- */
.svc-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.svc {
  background: #fff;
  border: 1px solid var(--line);
  padding: 30px 26px 28px;
  position: relative;
  overflow: hidden;
  transition: transform .35s var(--ease), box-shadow .35s var(--ease), border-color .3s;
}
.svc::before {
  content: "";
  position: absolute;
  right: -1px; top: -1px;
  width: 22px; height: 22px;
  background: var(--green-40);
  clip-path: polygon(0 0, 100% 0, 100% 100%, 42% 100%, 42% 62%, 0 62%);
  transition: background .3s, transform .35s var(--ease);
}
.svc:hover { transform: translateY(-5px); box-shadow: 0 20px 40px rgba(20, 34, 45, .08); border-color: var(--blue-40); }
.svc:hover::before { background: var(--blue); transform: scale(1.3); }
.svc__no { font-size: 13px; font-weight: 700; letter-spacing: .2em; color: var(--blue); }
.svc h3 { font-size: 19.5px; font-weight: 900; margin: 10px 0 10px; letter-spacing: .03em; }
.svc p { font-size: 15px; font-weight: 300; color: var(--ink-70); line-height: 1.8; }

.svc-cta {
  margin-top: 56px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  background: var(--ink);
  color: #fff;
  padding: 36px 42px;
}
.svc-cta p { font-size: 21px; font-weight: 700; letter-spacing: .04em; }

/* ---------- 04 作品集 ---------- */
.works-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 26px;
}
.work {
  position: relative;
  aspect-ratio: 16 / 10;
  background: linear-gradient(150deg, #1a2a38, #14222d 65%);
  color: #fff;
  padding: 26px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  cursor: default;
  overflow: hidden;
  transition: transform .35s var(--ease), box-shadow .35s var(--ease);
}
.work::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(80% 90% at 85% 15%, rgba(0, 117, 201, .5), transparent 60%),
    radial-gradient(60% 70% at 10% 90%, rgba(107, 205, 178, .32), transparent 55%);
  opacity: .8;
  transition: opacity .35s;
}
.work[data-video]:not([data-video=""]) { cursor: pointer; }
.work[data-video]:not([data-video=""])::after {
  content: "▶";
  position: absolute;
  right: 24px; bottom: 24px;
  width: 52px; height: 52px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  color: var(--ink);
  background: var(--green);
  border-radius: 50%;
}
.work[data-provider="external"]::after {
  content: "↗";
  font-size: 23px;
}
.work:focus-visible {
  outline: 3px solid var(--green);
  outline-offset: 4px;
}
.work:hover { transform: translateY(-5px); box-shadow: 0 22px 44px rgba(20, 34, 45, .22); }
.work:hover::before { opacity: 1; }
.work__cat { position: relative; font-size: 12px; font-weight: 700; letter-spacing: .26em; color: var(--green); }
.work h3 { position: relative; font-size: 21px; font-weight: 900; letter-spacing: .04em; margin-top: 8px; }
.work__state {
  position: absolute;
  right: 20px; top: 18px;
  font-size: 12px;
  letter-spacing: .16em;
  color: rgba(255, 255, 255, .66);
  border: 1px solid rgba(255, 255, 255, .3);
  padding: 4px 10px;
}
.work[data-provider="youtube"] .work__state,
.work[data-provider="vimeo"] .work__state { display: none; }

.works-more { margin-top: 40px; text-align: center; color: var(--ink-70); font-size: 16.5px; }
.works-more a { color: var(--blue); font-weight: 700; border-bottom: 2px solid var(--blue-40); transition: border-color .2s; }
.works-more a:hover { border-color: var(--blue); }

/* ---------- 05 預約條款 ---------- */
.terms { display: flex; flex-direction: column; gap: 14px; }
.term {
  background: #fff;
  border: 1px solid var(--line);
  transition: border-color .25s, box-shadow .25s;
}
.term[open] { border-color: var(--blue-60); box-shadow: 0 12px 28px rgba(20, 34, 45, .06); }
.term summary {
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 22px 28px;
  font-size: 17.5px;
  font-weight: 700;
  letter-spacing: .05em;
  cursor: pointer;
  user-select: none;
}
.term summary::-webkit-details-marker { display: none; }
.term summary::after {
  content: "";
  flex: 0 0 auto;
  width: 13px; height: 13px;
  background: var(--blue);
  clip-path: polygon(0 0, 100% 0, 100% 100%, 42% 100%, 42% 62%, 0 62%);
  transition: transform .35s var(--ease), background .25s;
}
.term[open] summary::after { transform: rotate(180deg); background: var(--green); }
.term__body { padding: 0 28px 26px; }
.term__body p { font-size: 16px; font-weight: 300; color: var(--ink-70); line-height: 1.95; }

/* ---------- 06 聯絡我們 ---------- */
.sec--contact { padding-bottom: 130px; }
.contact-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}
.contact-card {
  background: #fff;
  border: 1px solid var(--line);
  padding: 34px 34px 30px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  transition: transform .35s var(--ease), box-shadow .35s var(--ease), border-color .25s;
}
.contact-card:hover { transform: translateY(-5px); box-shadow: 0 22px 42px rgba(20, 34, 45, .09); border-color: var(--blue-60); }
.contact-card__label { font-size: 13px; font-weight: 700; letter-spacing: .24em; color: var(--ink-45); }
.contact-card__big { font-size: clamp(20px, 2.4vw, 27px); font-weight: 900; color: var(--blue); letter-spacing: .02em; word-break: break-all; }
.contact-card__sub { font-size: 15px; color: var(--ink-70); }

.flowyard {
  margin-top: 60px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 26px;
  border: 1.5px solid var(--line);
  border-left: 6px solid var(--green);
  background: #fff;
  padding: 32px 40px;
}
.flowyard__label { display: block; font-size: 12px; font-weight: 700; letter-spacing: .26em; color: var(--green); margin-bottom: 8px; }
.flowyard__t p { font-size: 17.5px; font-weight: 300; color: var(--ink-70); max-width: 640px; }
.flowyard__t b { color: var(--ink); font-weight: 700; }

/* ---------- FOOTER ---------- */
.footer { background: var(--blue); color: #fff; }
.footer__in {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.4fr);
  gap: 60px;
  padding: 76px 28px 56px;
}
.footer__mark { width: 66px; height: auto; }
.footer__word { font-size: 30px; letter-spacing: .06em; margin-top: 18px; line-height: 1; }
.footer__word b { font-weight: 900; color: #fff; }
.footer__word i { font-style: normal; font-weight: 900; color: var(--green); }
.footer__tag { margin-top: 12px; font-size: 15.5px; font-weight: 300; color: rgba(255, 255, 255, .72); letter-spacing: .06em; }

.footer__cols { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; }
.footer__col h4 {
  font-size: 13.5px;
  font-weight: 700;
  letter-spacing: .24em;
  color: var(--green);
  margin-bottom: 18px;
}
.footer__col a {
  display: block;
  font-size: 16px;
  font-weight: 300;
  color: rgba(255, 255, 255, .85);
  margin-bottom: 11px;
  transition: color .2s, transform .25s var(--ease);
}
.footer__col a:hover { color: #fff; transform: translateX(4px); }

.footer__legal {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 8px 24px;
  border-top: 1px solid rgba(255, 255, 255, .22);
  padding-top: 22px;
  padding-bottom: 26px;
  font-size: 13.5px;
  color: rgba(255, 255, 255, .62);
  letter-spacing: .05em;
}
.footer__legal a { color: rgba(255, 255, 255, .85); font-weight: 500; }
.footer__legal a:hover { color: var(--green); }

/* ---------- 影片燈箱 ---------- */
.lightbox[hidden] { display: none; }
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 200;
  background: rgba(10, 18, 25, .9);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 5vmin;
}
.lightbox__frame { width: min(1000px, 100%); aspect-ratio: 16 / 9; background: #000; }
.lightbox__frame iframe,
.lightbox__frame video { width: 100%; height: 100%; border: 0; }
.lightbox__frame--img { aspect-ratio: auto; background: transparent; display: flex; justify-content: center; }
.lightbox__frame--img img { max-width: 100%; max-height: 88vh; object-fit: contain; }
.lightbox__close {
  position: absolute;
  right: 26px; top: 20px;
  font-size: 40px;
  color: #fff;
  background: none;
  border: 0;
  cursor: pointer;
  line-height: 1;
}

/* ==========================================================
   子頁面（錄音室詳細頁 / 預約教學頁）
   ========================================================== */

.subpage-top { padding: 64px 0 0; }

.crumb {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14.5px;
  letter-spacing: .12em;
  color: var(--ink-45);
  margin-bottom: 26px;
}
.crumb a { color: var(--blue); font-weight: 500; }
.crumb a:hover { text-decoration: underline; }
.crumb i { font-style: normal; color: var(--green); }

/* --- 錄音室詳細頁 --- */
.rd-head { display: flex; flex-wrap: wrap; align-items: flex-end; gap: 22px 40px; margin-bottom: 40px; }
.rd-head h1 {
  font-size: clamp(52px, 7vw, 88px);
  font-weight: 900;
  letter-spacing: .06em;
  line-height: 1;
  color: var(--blue);
}
.rd-head__t { padding-bottom: 8px; }
.rd-head__style { font-size: 19px; font-weight: 700; letter-spacing: .06em; }
.rd-head__chips { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 12px; }
.rd-head__chips span {
  font-size: 13.5px;
  font-weight: 500;
  color: var(--blue-deep);
  background: var(--blue-10);
  border: 1px solid var(--blue-20);
  padding: 5px 13px;
}
.rd-head__cta { margin-left: auto; padding-bottom: 8px; }

.rd-opening-note {
  display: flex;
  align-items: center;
  gap: 18px;
  margin: -4px 0 34px;
  padding: 18px 22px;
  border: 1px solid rgba(0, 117, 201, .25);
  border-left: 5px solid var(--green);
  background: linear-gradient(105deg, var(--blue-10), rgba(107, 205, 178, .16));
  color: var(--ink-70);
}
.rd-opening-note strong {
  font-size: 22px;
  letter-spacing: .12em;
  color: var(--blue-deep);
}
.rd-opening-note span { font-size: 15.5px; line-height: 1.7; }
.btn--disabled {
  color: var(--blue-deep);
  background: var(--blue-10);
  border: 1px solid rgba(0, 117, 201, .28);
  cursor: not-allowed;
  pointer-events: none;
  box-shadow: none;
}
.rd-card--preview {
  background: linear-gradient(145deg, #fff, #f1f8fc);
  border-color: rgba(0, 117, 201, .25);
  border-top: 4px solid var(--green);
}

.rd-gallery { display: grid; grid-template-columns: 1.6fr 1fr; gap: 18px; margin-bottom: 64px; }
.rd-gallery--single { grid-template-columns: 1fr; }
.rd-gallery__main { position: relative; aspect-ratio: 16 / 10; overflow: hidden; cursor: zoom-in; }
.rd-gallery__side { display: grid; gap: 18px; }
.rd-gallery__side .rd-gallery__thumb { position: relative; overflow: hidden; cursor: zoom-in; }
.rd-gallery img { width: 100%; height: 100%; object-fit: cover; display: block; transition: transform .6s var(--ease); }
.rd-gallery__main:hover img, .rd-gallery__thumb:hover img { transform: scale(1.04); }

.rd-body { display: grid; grid-template-columns: 1.15fr .85fr; gap: 64px; align-items: start; padding-bottom: 100px; }
.rd-intro h2 { font-size: 25px; font-weight: 900; letter-spacing: .04em; margin-bottom: 18px; }
.rd-intro h2::after { content: ""; display: block; width: 40px; height: 4px; background: var(--green); margin-top: 12px; }
.rd-intro p { font-size: 17px; font-weight: 300; color: var(--ink-70); line-height: 2; margin-bottom: 16px; }
.rd-intro p b { color: var(--ink); font-weight: 700; }

.rd-info { display: flex; flex-direction: column; gap: 22px; position: sticky; top: 104px; }
.rd-card { background: #fff; border: 1px solid var(--line); padding: 28px 30px; }
.rd-card h3 {
  font-size: 14.5px;
  font-weight: 700;
  letter-spacing: .24em;
  color: var(--blue);
  margin-bottom: 16px;
}
.rd-card ul li {
  position: relative;
  padding-left: 20px;
  font-size: 16px;
  color: var(--ink-70);
  margin-bottom: 9px;
}
.rd-card ul li::before {
  content: "";
  position: absolute;
  left: 0; top: 9px;
  width: 9px; height: 9px;
  background: var(--green);
  clip-path: polygon(0 0, 100% 0, 100% 100%, 42% 100%, 42% 62%, 0 62%);
}
.rd-card--price { background: var(--blue); color: #fff; border: 0; }
.rd-card--price h3 { color: var(--green); }
.rd-price-row { display: flex; align-items: baseline; justify-content: space-between; padding: 10px 0; border-bottom: 1px solid rgba(255,255,255,.25); }
.rd-price-row:last-of-type { border-bottom: 0; }
.rd-price-row b { font-size: 26px; font-weight: 900; }
.rd-price-row b i { font-style: normal; font-size: 15.5px; font-weight: 300; opacity: .8; }
.rd-price-row span { font-size: 15.5px; font-weight: 300; opacity: .9; }
.rd-card--price .btn { width: 100%; justify-content: center; margin-top: 18px; }
.rd-card__note { font-size: 13.5px; color: var(--ink-45); margin-top: 12px; line-height: 1.8; }
.rd-card--price .rd-card__note { color: rgba(255,255,255,.75); }

.rd-others { padding: 90px 0 110px; background: var(--green-20); }
.rd-others h2 { font-size: 27px; font-weight: 900; letter-spacing: .05em; margin-bottom: 34px; }
.rd-others__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.rd-others__grid--two { grid-template-columns: repeat(2, 1fr); }
.rd-others__grid--four { grid-template-columns: repeat(4, 1fr); }
.rd-others__grid--four .rd-other b { font-size: 18px; }
.rd-others__grid--four .rd-other span { font-size: 12.5px; }
@media (max-width: 1080px) { .rd-others__grid--four { grid-template-columns: repeat(2, 1fr); } }
.rd-other {
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  aspect-ratio: 16 / 9;
  padding: 22px 24px;
  color: #fff;
  overflow: hidden;
  background: var(--ink);
  transition: transform .35s var(--ease), box-shadow .35s var(--ease);
}
.rd-other img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; opacity: .82; transition: transform .6s var(--ease); }
.rd-other::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, transparent 35%, rgba(10,20,30,.82)); }
.rd-other:hover { transform: translateY(-5px); box-shadow: 0 20px 40px rgba(20,34,45,.2); }
.rd-other:hover img { transform: scale(1.05); }
.rd-other b, .rd-other span { position: relative; z-index: 2; }
.rd-other b { font-size: 22px; font-weight: 900; letter-spacing: .1em; }
.rd-other span { font-size: 13.5px; opacity: .85; }
.rd-other--soon { border: 2px dashed var(--blue-60); background: var(--blue-10); color: var(--blue-deep); justify-content: center; align-items: center; text-align: center; }
.rd-other--soon::after { content: none; }
.rd-other--soon b { color: var(--blue); }

/* --- 預約教學頁 --- */
.tut-hero { padding: 70px 0 64px; background:
  radial-gradient(80% 90% at 100% 0%, rgba(107,205,178,.25), transparent 55%),
  var(--blue);
  color: #fff; }
.tut-hero__in { display: grid; grid-template-columns: 1.2fr .8fr; gap: 56px; align-items: center; }
.tut-hero h1 { font-size: clamp(34px, 4.6vw, 54px); font-weight: 900; letter-spacing: .03em; line-height: 1.3; }
.tut-hero h1 em { font-style: normal; color: var(--green); }
.tut-hero p { margin-top: 16px; font-size: 17.5px; font-weight: 300; color: rgba(255,255,255,.85); max-width: 480px; }
.tut-hero__feat { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 24px; }
.tut-hero__feat span {
  font-size: 14.5px;
  font-weight: 500;
  border: 1px solid rgba(255,255,255,.35);
  padding: 7px 15px;
  letter-spacing: .08em;
}
.tut-hero__qr { background: #fff; color: var(--ink); padding: 26px; text-align: center; justify-self: end; width: min(300px, 100%); }
.tut-hero__qr img { width: 78%; margin: 0 auto 14px; }
.tut-hero__qr b { display: block; font-size: 18px; font-weight: 900; }
.tut-hero__qr span { font-size: 14.5px; color: var(--ink-45); letter-spacing: .08em; }
.tut-hero__qr .btn { width: 100%; justify-content: center; margin-top: 16px; }

.tut-toc {
  position: sticky;
  top: 74px;
  z-index: 50;
  background: rgba(251,253,254,.94);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(10px);
}
.tut-toc__in { display: flex; gap: 6px; overflow-x: auto; padding: 12px 28px; scrollbar-width: none; }
.tut-toc__in::-webkit-scrollbar { display: none; }
.tut-toc__in a {
  flex: 0 0 auto;
  font-size: 15px;
  font-weight: 500;
  color: var(--ink-70);
  padding: 8px 16px;
  border: 1px solid var(--line);
  transition: background .2s, color .2s, border-color .2s;
}
.tut-toc__in a:hover, .tut-toc__in a.active { background: var(--blue); color: #fff; border-color: var(--blue); }

.tut-sec { padding: 78px 0 24px; }
.tut-sec:last-of-type { padding-bottom: 100px; }
.tut-sec__head { display: flex; align-items: baseline; gap: 16px; margin-bottom: 12px; }
.tut-sec__head .no { font-size: 15.5px; font-weight: 900; color: var(--green); letter-spacing: .1em; }
.tut-sec__head h2 { font-size: clamp(24px, 3vw, 32px); font-weight: 900; letter-spacing: .05em; }
.tut-sec__lead { color: var(--ink-70); font-weight: 300; font-size: 16.5px; max-width: 640px; margin-bottom: 34px; }
.tut-sec__lead b { color: var(--blue); font-weight: 700; }

.tut-steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.tut-step { background: #fff; border: 1px solid var(--line); display: flex; flex-direction: column; }
.tut-step__shot { aspect-ratio: 9 / 16; background: var(--blue-10); overflow: hidden; }
.tut-step__shot img { width: 100%; height: 100%; object-fit: cover; object-position: top; }
.tut-step__shot--icon { display: flex; align-items: center; justify-content: center; }
.tut-step__shot--icon svg { width: 34%; height: auto; color: var(--blue); }
.tut-step__body { padding: 16px 18px 20px; }
.tut-step__no { font-size: 12px; font-weight: 700; letter-spacing: .22em; color: var(--blue); }
.tut-step__body h3 { font-size: 16.5px; font-weight: 700; margin-top: 6px; line-height: 1.5; }
.tut-step__body p { font-size: 14px; color: var(--ink-70); font-weight: 300; margin-top: 6px; line-height: 1.7; }

.tut-note {
  margin-top: 26px;
  display: flex;
  gap: 12px;
  align-items: flex-start;
  font-size: 15.5px;
  color: var(--ink-70);
  background: var(--green-20);
  border-left: 5px solid var(--green);
  padding: 16px 20px;
}
.tut-note .ic-arrow { color: var(--blue); margin-top: 4px; }
.tut-note b { color: var(--ink); }

.tut-cta { background: var(--ink); color: #fff; padding: 64px 0; text-align: center; }
.tut-cta h2 { font-size: 27px; font-weight: 900; letter-spacing: .06em; }
.tut-cta p { font-weight: 300; color: rgba(255,255,255,.75); margin: 12px 0 28px; }

/* 作品集封面照片 */
.work__thumb { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; opacity: .55; transition: opacity .35s, transform .6s var(--ease); }
.work:hover .work__thumb { opacity: .72; transform: scale(1.04); }
.work::before { z-index: 1; }
.work__cat, .work h3, .work__state { z-index: 2; }

.works-shows {
  margin-top: 34px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 14px;
  justify-content: center;
  font-size: 15.5px;
  color: var(--ink-70);
}
.works-shows b { color: var(--ink); font-weight: 700; letter-spacing: .04em; }
.works-shows span {
  background: #fff;
  border: 1px solid var(--line);
  padding: 6px 16px;
  font-size: 15px;
}

/* 錄音室卡片可點擊 */
a.room { color: inherit; }
a.room .room__more {
  margin-top: 14px;
  font-size: 15px;
  font-weight: 700;
  color: var(--blue);
  letter-spacing: .06em;
  display: inline-flex;
  align-items: center;
  gap: 7px;
}
a.room:hover .room__more { text-decoration: underline; }

/* ---------- RWD ---------- */
@media (max-width: 1080px) {
  .svc-grid { grid-template-columns: repeat(2, 1fr); }
  .rooms, .rooms--two { grid-template-columns: repeat(2, 1fr); }
  .hero__in { grid-template-columns: 1fr; }
  .hero__visual { flex-direction: row; justify-content: center; align-items: center; gap: 44px; }
  .hero__mark { width: 170px; }
  .hero__visual-cap { display: none; }
}

@media (max-width: 1080px) {
  .tut-steps { grid-template-columns: repeat(3, 1fr); }
  .prod__grid { grid-template-columns: 1fr; max-width: 560px; }
}

@media (max-width: 860px) {
  .sec { padding: 84px 0; }
  .rd-gallery { grid-template-columns: 1fr; }
  .rd-gallery__side { grid-template-columns: repeat(2, 1fr); }
  .rd-body { grid-template-columns: 1fr; gap: 44px; }
  .rd-info { position: static; }
  .rd-others__grid { grid-template-columns: 1fr; }
  .tut-hero__in { grid-template-columns: 1fr; }
  .tut-hero__qr { justify-self: start; }
  .tut-steps { grid-template-columns: repeat(2, 1fr); }
  .booking { grid-template-columns: 1fr; gap: 48px; }
  .booking__qr { position: static; }
  .works-grid { grid-template-columns: repeat(2, 1fr); }
  .footer__in { grid-template-columns: 1fr; gap: 44px; }
  .contact-grid { grid-template-columns: 1fr; }

  .nav__links {
    position: fixed;
    inset: 0;
    top: 0;
    z-index: 80;
    flex-direction: column;
    justify-content: center;
    gap: 30px;
    background: var(--blue);
    transform: translateY(-102%);
    transition: transform .45s var(--ease);
  }
  .nav__links.open { transform: none; }
  .nav__links a { font-size: 24px; font-weight: 700; color: #fff; }
  .nav__links a:hover { color: var(--green); }
  .nav__links a::after { background: var(--green); }
  .nav__flowyard { font-size: 16.5px !important; color: rgba(255, 255, 255, .7) !important; }
  .nav__burger { display: flex; z-index: 90; }
  .nav__cta { display: none; }
  .nav__mobile-cta { display: inline-flex; margin-top: 14px; }
}

@media (max-width: 620px) {
  .wrap { padding: 0 20px; }
  .topbar__brand { display: none; }
  .topbar__in { justify-content: center; }
  .rooms, .rooms--two, .works-grid, .svc-grid { grid-template-columns: 1fr; }
  .hero { padding: 60px 0 70px; }
  .hero__stats li { padding-right: 20px; margin-right: 20px; }
  .hero__stats b { font-size: 26px; }
  .sec-head { flex-direction: column; gap: 8px; }
  .store__badge { margin-left: 0; }
  .svc-cta { padding: 30px 26px; }
  .svc-cta p { font-size: 18px; }
  .tut-steps { grid-template-columns: 1fr 1fr; gap: 14px; }
  .tut-step__body { padding: 12px 14px 16px; }
  .rd-head__cta { margin-left: 0; }
  .rd-price-row {
    flex-direction: column;
    align-items: flex-start;
    gap: 5px;
    padding: 14px 0;
  }
  .rd-price-row b { font-size: 23px; line-height: 1.3; }
  .rd-price-row b i { display: block; margin-top: 3px; }
  .rd-price-row span { line-height: 1.6; }
  .flowyard { padding: 26px 24px; }
  .footer__cols { grid-template-columns: repeat(2, 1fr); }
  .step { gap: 18px; }
}