/* 幣定盈 STEADWIN 官網（首頁專用；後台／404 仍用 /styles.css）
   色彩取自 logo：深藍 #00204E、沉穩金 #BA8820、米白 #F8F6EF */
:root {
  --navy: #00204e;
  --navy-2: #0b2f66;
  --navy-deep: #001535;
  --navy-ink: #000f27;
  --gold: #ba8820;
  --gold-hi: #d4a440;
  --gold-soft: #d8b264;
  --gold-pale: #f1e4c4;
  --gold-ink: #8a6414;          /* 淺底上的小字金色（對比 ≥ 4.5） */
  --cream: #f8f6ef;
  --paper: #fffdf7;
  --ink: #1b2436;
  --muted: #5d6578;
  --line: #e4dccb;
  --serif: "Noto Serif TC", "Songti TC", "PMingLiU", serif;
  --sans: "Noto Sans TC", "PingFang TC", "Microsoft JhengHei", system-ui, sans-serif;
  --latin: "Cormorant Garamond", "Times New Roman", serif;
  --ease: cubic-bezier(.22, .8, .24, 1);
  --gold-grad: linear-gradient(100deg, #8a6212 0%, #c99a35 28%, #f0d48c 50%, #c99a35 72%, #8a6212 100%);
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; scroll-padding-top: 72px; }
body {
  margin: 0; font-family: var(--sans); font-size: 16px; line-height: 1.9;
  color: var(--ink); background: var(--navy-deep); overflow-x: hidden;
}
img, svg { max-width: 100%; }
a { color: var(--navy); }
h1, h2, h3 { font-family: var(--serif); color: var(--navy); line-height: 1.35; margin: 0; }
p { margin: 0 0 1em; text-wrap: pretty; }
h1, h2, h3 { text-wrap: balance; }
.statement, .statement-sub, .lead-sm { text-wrap: pretty; }
code { font: 600 .82em/1 var(--latin); letter-spacing: .08em; color: var(--muted); margin-left: .4em; }
.wrap { width: 100%; max-width: 1180px; margin: 0 auto; padding: 0 28px; }
.narrow { max-width: 820px; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }
.skip { position: absolute; left: 12px; top: -60px; z-index: 100; padding: 10px 16px; background: var(--gold-hi); color: var(--navy-deep); font-weight: 700; text-decoration: none; transition: top .2s; }
.skip:focus { top: 12px; }
:focus-visible { outline: 2px solid var(--gold-hi); outline-offset: 3px; }

/* ---------- Logo 向量標誌 ---------- */
.lm { display: block; overflow: visible; }
.lm .lm-page { fill: none; stroke: var(--lm-page); stroke-width: 9; }
.lm .lm-edge { fill: none; stroke: var(--lm-gold); stroke-width: 3; stroke-linecap: round; }
.lm .lm-wick { fill: none; stroke: var(--lm-gold); stroke-width: 3; stroke-linecap: round; }
.lm .lm-body, .lm .lm-head { fill: var(--lm-gold); }
.lm .lm-arc { fill: none; stroke: var(--lm-gold); stroke-width: 7; stroke-linecap: round; }
.lm-dark { --lm-page: var(--cream); --lm-gold: var(--gold-hi); }
.lm-light { --lm-page: var(--navy); --lm-gold: var(--gold); }

/* ---------- Buttons ---------- */
.btn {
  position: relative; overflow: hidden; isolation: isolate;
  display: inline-flex; align-items: center; justify-content: center;
  min-height: 52px; padding: 0 32px; border-radius: 2px;
  font: 700 15px/1 var(--sans); letter-spacing: .14em; text-decoration: none;
  border: 1px solid transparent; cursor: pointer;
  transition: transform .35s var(--ease), box-shadow .35s var(--ease), background-color .25s, color .25s, border-color .25s;
}
.btn-gold {
  color: var(--navy-deep); background-color: #c99a35;
  background-image: linear-gradient(120deg, #b8862a, #d9b05a 48%, #c3922c);
  box-shadow: 0 10px 30px -12px rgba(212, 164, 64, .55), inset 0 1px 0 rgba(255, 255, 255, .35);
}
.btn-gold::after {
  content: ""; position: absolute; inset: 0; z-index: -1;
  background: linear-gradient(110deg, transparent 30%, rgba(255, 255, 255, .55) 50%, transparent 70%);
  transform: translateX(-120%); transition: transform .9s var(--ease);
}
.btn-gold:hover { transform: translateY(-2px); box-shadow: 0 16px 36px -12px rgba(212, 164, 64, .7), inset 0 1px 0 rgba(255, 255, 255, .4); }
.btn-gold:hover::after { transform: translateX(120%); }
.btn-ghost { color: var(--cream); border-color: rgba(248, 246, 239, .45); background: rgba(255, 255, 255, .02); backdrop-filter: blur(4px); }
.btn-ghost:hover { border-color: var(--gold-soft); color: var(--gold-pale); transform: translateY(-2px); }

/* ---------- Topbar ---------- */
.topbar { position: fixed; inset: 0 0 auto; z-index: 50; transition: box-shadow .4s; }
/* 毛玻璃放在 ::before：backdrop-filter 若直接加在 .topbar 會變成 position:fixed 子元素的包含區塊，手機選單會被縮成導覽列高度 */
.topbar::before {
  content: ""; position: absolute; inset: 0; z-index: -1; pointer-events: none;
  background-color: rgba(0, 21, 53, .9);
  -webkit-backdrop-filter: saturate(1.4) blur(14px); backdrop-filter: saturate(1.4) blur(14px);
  opacity: 0; transition: opacity .4s;
}
.topbar.is-scrolled::before { opacity: 1; }
.topbar.is-scrolled {
  box-shadow: 0 1px 0 rgba(216, 178, 100, .18), 0 10px 30px -18px rgba(0, 0, 0, .6);
}
.topbar-inner { display: flex; align-items: center; justify-content: space-between; height: 72px; gap: 16px; transition: height .4s var(--ease); }
.topbar.is-scrolled .topbar-inner { height: 62px; }
.brand { display: flex; align-items: center; gap: 12px; text-decoration: none; color: var(--cream); white-space: nowrap; }
.brand-mark { width: 46px; height: 38px; }
.brand-zh { font: 900 21px/1 var(--serif); letter-spacing: .1em; }
.brand-en { font: 600 13px/1 var(--latin); letter-spacing: .32em; color: var(--gold-soft); padding-left: 12px; border-left: 1px solid rgba(216, 178, 100, .35); }
.nav { display: flex; align-items: center; gap: 30px; }
.nav a { position: relative; font-size: 14px; letter-spacing: .14em; text-decoration: none; color: rgba(248, 246, 239, .86); padding: 6px 0; transition: color .25s; }
.nav a:not(.nav-cta)::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 1px; background: var(--gold-soft);
  transform: scaleX(0); transform-origin: right; transition: transform .45s var(--ease);
}
.nav a:hover, .nav a.is-active { color: var(--gold-pale); }
.nav a:hover::after, .nav a.is-active::after { transform: scaleX(1); transform-origin: left; }
.nav .nav-cta { color: var(--gold-pale); border: 1px solid rgba(216, 178, 100, .7); padding: 8px 18px; }
.nav .nav-cta:hover { background: var(--gold-soft); color: var(--navy-deep); }
.nav-toggle { display: none; }
.progress { position: absolute; left: 0; right: 0; bottom: 0; height: 2px; pointer-events: none; }
.progress span { display: block; height: 100%; background: var(--gold-grad); transform-origin: left; transform: scaleX(0); }

/* ---------- Hero ---------- */
.hero {
  position: relative; isolation: isolate; overflow: hidden;
  min-height: 100vh; min-height: 100svh; display: flex; align-items: center;
  padding: 120px 0 110px; color: var(--cream);
  background:
    radial-gradient(ellipse 70% 60% at 72% 38%, rgba(186, 136, 32, .16), transparent 70%),
    radial-gradient(ellipse 90% 70% at 10% 100%, rgba(11, 47, 102, .9), transparent 70%),
    linear-gradient(180deg, #001a40 0%, var(--navy) 45%, var(--navy-deep) 100%);
}
.hero-bg { position: absolute; inset: 0; z-index: -1; }
.hero-art, .hero-canvas { position: absolute; inset: 0; width: 100%; height: 100%; display: block; }
.hero-canvas { opacity: 0; transition: opacity 1.6s ease; }
.hero.is-3d .hero-canvas { opacity: 1; }
.hero.is-3d .hero-art { opacity: 0; transition: opacity 1.4s ease; }
.hero-art { left: 34%; width: 66%; }
.hero-art .ha-stars circle { fill: #f1e4c4; }
.hero-art .ha-grid { fill: none; stroke: rgba(216, 178, 100, .16); stroke-width: 1; }
.hero-art .ha-book path { fill: none; stroke: rgba(248, 246, 239, .4); stroke-width: 2; }
.hero-art .ha-candles path { stroke: #d4a440; stroke-width: 2; }
.hero-art .ha-candles .up rect { fill: url(#haGold); }
.hero-art .ha-candles .dn rect { fill: rgba(248, 246, 239, .08); stroke: rgba(248, 246, 239, .55); stroke-width: 1.5; }
.hero-art .ha-arc { fill: none; stroke: url(#haGold); stroke-width: 3; stroke-linecap: round; }
.hero-art .ha-head { fill: #f1d995; }
.hero-vignette {
  position: absolute; inset: 0; pointer-events: none;
  background:
    linear-gradient(90deg, rgba(0, 21, 53, .78) 0%, rgba(0, 21, 53, .35) 42%, transparent 62%),
    linear-gradient(0deg, var(--navy-deep) 0%, transparent 22%);
}
.hero-inner { position: relative; }
.hero-copy { max-width: 600px; }
.hero-title { display: flex; align-items: center; gap: 22px; color: var(--cream); margin: 0 0 30px; }
.hero-mark { width: 132px; height: 108px; flex: none; filter: drop-shadow(0 6px 24px rgba(212, 164, 64, .25)); }
.hero-name { display: grid; gap: 10px; }
.hero-zh {
  font: 900 clamp(48px, 6.6vw, 80px)/1 var(--serif); letter-spacing: .12em;
  background: linear-gradient(180deg, #fffdf7 0%, #f1e4c4 55%, #d8b264 100%);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero-en-name { font: 600 clamp(16px, 1.8vw, 20px)/1 var(--latin); letter-spacing: .62em; color: var(--gold-soft); }
.hero-kicker {
  justify-self: start; margin-top: 6px; padding: 7px 14px 7px 16px;
  font: 500 clamp(13px, 1.2vw, 15px)/1 var(--sans); letter-spacing: .32em; color: var(--gold-pale);
  border: 1px solid rgba(216, 178, 100, .45); background: rgba(0, 21, 53, .35);
}
.hero-slogan { font: 700 clamp(21px, 2.7vw, 30px)/1.5 var(--serif); letter-spacing: .16em; color: var(--cream); margin: 0; }
.hero-slogan span { color: var(--gold-hi); }
.hero-slogan-en { font: italic 500 clamp(18px, 2vw, 23px)/1.5 var(--latin); letter-spacing: .04em; color: var(--gold-pale); margin: 6px 0 0; opacity: .9; }
.hero-message { font: 500 clamp(16px, 1.7vw, 19px)/1.9 var(--serif); letter-spacing: .1em; color: rgba(248, 246, 239, .85); margin: 0 0 38px; }
.hero-actions, .community-actions { display: flex; flex-wrap: wrap; gap: 14px; }
.rule { display: flex; align-items: center; justify-content: center; gap: 14px; margin: 30px auto; max-width: 260px; }
.rule::before, .rule::after { content: ""; flex: 1; height: 1px; background: linear-gradient(90deg, transparent, var(--gold-soft)); }
.rule::after { background: linear-gradient(90deg, var(--gold-soft), transparent); }
.rule span { width: 7px; height: 7px; background: var(--gold-hi); transform: rotate(45deg); }
.rule-left { margin: 28px 0; max-width: 220px; justify-content: flex-start; }
.rule-left::before { flex: 0 0 0; display: none; }
.scroll-cue {
  position: absolute; left: 50%; bottom: 26px; transform: translateX(-50%);
  display: grid; justify-items: center; gap: 10px; text-decoration: none;
  font: 600 12px/1 var(--latin); letter-spacing: .4em; text-transform: uppercase; color: rgba(241, 228, 196, .75);
}
.scroll-cue i { position: relative; width: 1px; height: 46px; background: rgba(216, 178, 100, .25); overflow: hidden; }
.scroll-cue i::after { content: ""; position: absolute; left: 0; top: -40%; width: 1px; height: 40%; background: var(--gold-hi); animation: cue 2.4s var(--ease) infinite; }
@keyframes cue { to { top: 110%; } }

/* Hero 進場（純 CSS，不必等 JS） */
.hero-copy > * { animation: rise 1.1s var(--ease) both; }
.hero-copy > :nth-child(2) { animation-delay: .12s; }
.hero-copy > :nth-child(3) { animation-delay: .22s; }
.hero-copy > :nth-child(4) { animation-delay: .32s; }
.hero-copy > :nth-child(5) { animation-delay: .4s; }
.hero-copy > :nth-child(6) { animation-delay: .5s; }
@keyframes rise { from { opacity: 0; transform: translateY(26px); } }
.hero-mark .lm-page, .hero-mark .lm-edge, .hero-mark .lm-wick, .hero-mark .lm-arc { stroke-dasharray: 1; animation: draw 1.8s .25s var(--ease) both; }
.hero-mark .lm-arc { animation-delay: .9s; animation-duration: 1.6s; }
.hero-mark .lm-body, .hero-mark .lm-head { animation: fadein .8s 1s ease both; }
.hero-mark .lm-head { animation-delay: 2.1s; }
@keyframes draw { from { stroke-dashoffset: 1; } to { stroke-dashoffset: 0; } }
@keyframes fadein { from { opacity: 0; } }

/* ---------- Sections ---------- */
.section { position: relative; padding: 128px 0; }
.section-cream { background: var(--cream); }
.section-paper { background: var(--paper); }
.section-cream::before, .section-paper::before {
  content: ""; position: absolute; inset: 0; pointer-events: none; opacity: .55;
  background-image: linear-gradient(rgba(0, 32, 78, .035) 1px, transparent 1px), linear-gradient(90deg, rgba(0, 32, 78, .035) 1px, transparent 1px);
  background-size: 64px 64px;
  -webkit-mask-image: radial-gradient(ellipse at 50% 0%, #000 0%, transparent 70%); mask-image: radial-gradient(ellipse at 50% 0%, #000 0%, transparent 70%);
}
.section > .wrap { position: relative; }
.section-head { text-align: center; margin-bottom: 64px; }
.section h2 { font-size: clamp(30px, 4.2vw, 44px); font-weight: 900; letter-spacing: .14em; }
.section h2.title-gold { color: transparent; }
.title-gold {
  background: var(--gold-grad); background-size: 220% 100%; background-position: 100% 0;
  -webkit-background-clip: text; background-clip: text; color: transparent;
  transition: background-position 2.4s var(--ease);
}
.section-cream .title-gold, .section-paper .title-gold {
  background-image: linear-gradient(100deg, #00204e 0%, #00204e 36%, #9a6f16 50%, #00204e 64%, #00204e 100%);
}
.title-gold.is-in, .is-in .title-gold { background-position: 0 0; }
.eyebrow { font: 600 14px/1 var(--latin); letter-spacing: .5em; text-transform: uppercase; color: var(--gold-ink); margin: 0 0 18px; }
.section-navy .eyebrow { color: var(--gold-soft); }
.eyebrow-left { text-align: left; }
.gold-line { width: 64px; height: 1px; margin-top: 26px; background: linear-gradient(90deg, var(--gold), transparent); transform-origin: left; transition: transform 1.2s .3s var(--ease); }
.js .reveal:not(.is-in) .gold-line { transform: scaleX(0); }
.lead { font: 700 clamp(19px, 2.2vw, 23px)/1.8 var(--serif); color: var(--navy); }
.lead-sm { margin: 22px 0 0; font-size: 17px; color: var(--muted); }

/* 理念：少字、大留白 */
.philosophy { padding: 150px 0; }
.statement { margin: 44px auto 0; max-width: 760px; font: 700 clamp(22px, 3vw, 34px)/1.7 var(--serif); color: var(--navy); letter-spacing: .06em; }
.statement-sub { margin: 0 auto; max-width: 720px; font: 500 clamp(16px, 1.8vw, 19px)/2 var(--serif); color: #3a4459; letter-spacing: .04em; }
.center { text-align: center; }
.pull-mark { position: absolute; left: 50%; top: -0.5em; transform: translateX(-50%); font: 600 120px/1 var(--latin); color: var(--gold-hi); opacity: .9; }

/* 深藍區塊 */
.section-navy { background: var(--navy); color: #dfe5f0; overflow: hidden; }
.section-glow { position: absolute; inset: 0; pointer-events: none; background: radial-gradient(ellipse 60% 50% at 85% 0%, rgba(186, 136, 32, .2), transparent 70%), radial-gradient(ellipse 50% 50% at 0% 100%, rgba(255, 255, 255, .05), transparent 70%); }
.section-navy h2, .section-navy h3 { color: #fff; }

/* 名稱卡片：3D 傾斜＋光澤掃過 */
.cards { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 28px; perspective: 1200px; }
.card {
  --rx: 0deg; --ry: 0deg; --mx: 50%; --my: 50%;
  position: relative; overflow: hidden; isolation: isolate;
  padding: 52px 34px 42px; text-align: center;
  background: linear-gradient(160deg, rgba(255, 255, 255, .07), rgba(255, 255, 255, .015));
  border: 1px solid rgba(216, 178, 100, .3);
  transform: rotateX(var(--rx)) rotateY(var(--ry)); transform-style: preserve-3d;
  transition: transform .5s var(--ease), border-color .3s, box-shadow .4s;
}
.card::before {
  content: ""; position: absolute; inset: 0; z-index: -1; opacity: 0; transition: opacity .4s;
  background: radial-gradient(420px circle at var(--mx) var(--my), rgba(216, 178, 100, .18), transparent 60%);
}
.card::after {
  content: ""; position: absolute; top: 0; bottom: 0; left: -60%; width: 50%; z-index: -1;
  background: linear-gradient(105deg, transparent, rgba(241, 228, 196, .16), transparent);
  transform: skewX(-18deg) translateX(0); pointer-events: none;
}
.card.is-in::after { animation: sheen 1.6s .5s var(--ease) both; }
.card:hover { border-color: rgba(216, 178, 100, .75); box-shadow: 0 30px 60px -30px rgba(0, 0, 0, .7); }
.card:hover::before { opacity: 1; }
.card:hover::after { animation: sheen 1.1s var(--ease) both; }
@keyframes sheen { from { transform: skewX(-18deg) translateX(0); } to { transform: skewX(-18deg) translateX(420%); } }
.card-char {
  width: 104px; height: 104px; margin: 0 auto 30px; display: grid; place-items: center;
  border: 1px solid rgba(216, 178, 100, .8); outline: 1px solid rgba(216, 178, 100, .3); outline-offset: 7px;
  transform: translateZ(30px); background: radial-gradient(circle, rgba(212, 164, 64, .12), transparent 70%);
}
.card-char span {
  font: 900 58px/1 var(--serif);
  background: linear-gradient(170deg, #f6e3ad 10%, #d4a440 55%, #9a6f16 100%);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.card h3 { font-size: 20px; letter-spacing: .1em; margin-bottom: 16px; transform: translateZ(18px); }
.card p { margin: 0; font-size: 15px; color: #c9d2e3; }

/* 學習內容：適合誰＋四大主題 */
.learn .section-head { margin-bottom: 56px; }
.audience { display: flex; align-items: center; justify-content: center; flex-wrap: wrap; gap: 18px 28px; margin: 0 auto 88px; }
.audience-label { margin: 0; font: 600 13px/1 var(--sans); letter-spacing: .4em; color: var(--gold-ink); }
.audience-list { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; justify-content: center; gap: 14px; }
.audience-list li {
  display: inline-flex; align-items: center; gap: 14px; padding: 14px 26px 14px 16px;
  font: 700 clamp(17px, 1.8vw, 20px)/1.3 var(--serif); color: var(--navy); letter-spacing: .08em;
  background: var(--cream); border: 1px solid var(--line); border-radius: 999px;
}
.aud-no { display: grid; place-items: center; width: 34px; height: 34px; border-radius: 50%; background: var(--navy); color: var(--gold-soft); font: 600 15px/1 var(--latin); letter-spacing: 0; }
.topics-title { text-align: center; font-size: clamp(20px, 2.2vw, 24px); letter-spacing: .2em; margin-bottom: 36px; }
.topics-title::after { content: ""; display: block; width: 40px; height: 1px; margin: 18px auto 0; background: var(--gold); }
.topics { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 22px; }
.topic {
  position: relative; overflow: hidden; display: grid; justify-items: start; align-content: start; gap: 18px; min-height: 250px;
  padding: 34px 28px 30px; background: var(--navy); color: #fff;
  transition: transform .5s var(--ease), box-shadow .5s var(--ease);
}
.topic::before { content: ""; position: absolute; inset: 8px; border: 1px solid rgba(216, 178, 100, .25); pointer-events: none; transition: border-color .4s; }
.topic::after { content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 3px; background: var(--gold-grad); transform: scaleX(0); transform-origin: left; transition: transform .6s var(--ease); }
.topic:hover { transform: translateY(-6px); box-shadow: 0 30px 50px -30px rgba(0, 32, 78, .8); }
.topic:hover::before { border-color: rgba(216, 178, 100, .6); }
.topic:hover::after { transform: scaleX(1); }
.topic-icon { width: 56px; height: 56px; color: var(--gold-hi); }
.topic-icon svg { width: 100%; height: 100%; }
.topic-icon .draw { fill: none; stroke: var(--gold-hi); stroke-width: 2.2; stroke-linecap: round; stroke-linejoin: round; }
.topic-icon .fill { fill: var(--gold-hi); }
.topic-no { margin-top: auto; font: 600 15px/1 var(--latin); letter-spacing: .3em; color: var(--gold-soft); }
.topic-name { font: 700 clamp(17px, 1.55vw, 20px)/1.5 var(--serif); letter-spacing: .04em; text-wrap: balance; }

/* 線條繪製動畫 */
/* 願景：大字引言＋視差背景 */
.vision { text-align: center; padding: 168px 0; background: radial-gradient(ellipse at 50% 120%, #0b2f66, var(--navy) 55%, var(--navy-deep)); }
.vision-bg { position: absolute; inset: 0; pointer-events: none; }
.vision-word {
  position: absolute; left: 50%; top: 50%; translate: -50% -50%;
  font: 600 clamp(90px, 19vw, 280px)/1 var(--latin); letter-spacing: .08em; white-space: nowrap;
  color: transparent; -webkit-text-stroke: 1px rgba(216, 178, 100, .16);
  transform: translateY(var(--py, 0px)); will-change: transform;
}
.vision-rays {
  position: absolute; inset: -20% -10%;
  background: conic-gradient(from 200deg at 50% 110%, transparent 0deg, rgba(212, 164, 64, .08) 12deg, transparent 24deg, rgba(212, 164, 64, .05) 40deg, transparent 52deg, rgba(212, 164, 64, .07) 70deg, transparent 86deg, transparent 360deg);
  transform: translateY(var(--py, 0px)); will-change: transform;
}
.vision .wrap { position: relative; }
.vision-quote { position: relative; margin: 34px 0 0; font: 700 clamp(24px, 3.4vw, 40px)/1.7 var(--serif); color: #fff; letter-spacing: .06em; text-wrap: balance; }
.vision-quote p { margin: 0; text-wrap: balance; }
.vision-quote .pull-mark { position: static; display: block; transform: none; height: 54px; margin: 0 auto 14px; font-size: 110px; line-height: 1; }

/* 常見問題＋加入社群 CTA */
.join { padding: 140px 0; }
.join-grid { display: grid; grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr); gap: 72px; align-items: start; }
.join .left { text-align: left; }
.faq h2 { margin-bottom: 34px; }
.faq-list { border-top: 1px solid var(--line); }
.faq-item { border-bottom: 1px solid var(--line); }
.faq-item summary {
  list-style: none; cursor: pointer; display: flex; align-items: center; justify-content: space-between; gap: 20px;
  padding: 24px 4px; transition: color .25s;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary h3 { font-size: clamp(17px, 1.7vw, 20px); letter-spacing: .06em; transition: color .25s; }
.faq-item summary:hover h3 { color: var(--gold-ink); }
.faq-item summary i { position: relative; flex: none; width: 34px; height: 34px; border: 1px solid rgba(186, 136, 32, .55); border-radius: 50%; transition: transform .45s var(--ease), background-color .3s; }
.faq-item summary i::before, .faq-item summary i::after { content: ""; position: absolute; left: 50%; top: 50%; width: 12px; height: 1.5px; background: var(--gold-ink); translate: -50% -50%; }
.faq-item summary i::after { transform: rotate(90deg); transition: transform .45s var(--ease); }
.faq-item[open] summary i { background: var(--navy); border-color: var(--navy); transform: rotate(180deg); }
.faq-item[open] summary i::before, .faq-item[open] summary i::after { background: var(--gold-soft); }
.faq-item[open] summary i::after { transform: rotate(0deg); }
.faq-item p { margin: 0; padding: 0 56px 26px 4px; color: #3a4459; font-size: 16px; line-height: 1.95; }
.faq-item[open] p { animation: faqin .5s var(--ease); }
@keyframes faqin { from { opacity: 0; transform: translateY(-6px); } }
.join-card {
  --rx: 0deg; --ry: 0deg; --mx: 50%; --my: 50%;
  position: sticky; top: 104px; overflow: hidden; isolation: isolate;
  padding: 52px 40px 40px; text-align: center; color: #fff;
  background: radial-gradient(420px circle at var(--mx) var(--my), rgba(212, 164, 64, .16), transparent 60%), linear-gradient(155deg, #0b2f66, var(--navy) 50%, var(--navy-deep));
  box-shadow: 0 40px 80px -40px rgba(0, 32, 78, .75);
  transform: perspective(1000px) rotateX(var(--rx)) rotateY(var(--ry)); transition: transform .5s var(--ease);
}
.join-card::before { content: ""; position: absolute; inset: 10px; border: 1px solid rgba(216, 178, 100, .35); pointer-events: none; z-index: -1; }
.join-mark { width: 112px; height: 92px; margin: 0 auto 24px; }
.section .join-card h2 { color: #fff; font-size: clamp(24px, 2.6vw, 32px); letter-spacing: .1em; line-height: 1.5; }
.join-slogan { margin: 14px 0 30px; font: 600 15px/1.6 var(--serif); letter-spacing: .16em; color: var(--gold-pale); }
.join-slogan span { color: var(--gold-hi); }
.join-actions { display: grid; gap: 12px; margin-bottom: 20px; }
.join-actions .btn { width: 100%; min-height: 58px; font-size: 16px; }
.join-card .note { color: #b9c3d6; }
.note { font-size: 13px; color: var(--muted); margin: 0; }

/* Footer */
.footer { background: var(--navy-ink); color: #aab4c8; padding: 72px 0 40px; font-size: 14px; position: relative; }
.footer::before { content: ""; position: absolute; left: 0; right: 0; top: 0; height: 1px; background: linear-gradient(90deg, transparent, rgba(216, 178, 100, .55), transparent); }
.footer-top { display: flex; justify-content: space-between; align-items: center; gap: 28px; flex-wrap: wrap; padding-bottom: 32px; border-bottom: 1px solid rgba(255, 255, 255, .08); }
.footer-brand { display: flex; align-items: center; gap: 16px; }
.footer-mark { width: 56px; height: 46px; flex: none; }
.footer-brand strong { display: block; color: #fff; font-family: var(--serif); font-size: 18px; letter-spacing: .1em; }
.footer-brand span { font-size: 13px; }
.footer-nav { display: flex; flex-wrap: wrap; gap: 8px 24px; }
.footer-nav a { color: #c9d2e3; text-decoration: none; font-size: 13px; letter-spacing: .12em; }
.footer-nav a:hover { color: var(--gold-pale); }
.disclaimer { padding: 28px 0; }
.disclaimer h2 { font: 700 13px/1 var(--sans); color: var(--gold-soft); letter-spacing: .32em; margin-bottom: 12px; }
.disclaimer p { margin: 0; line-height: 1.95; max-width: 980px; }
.copyright { margin: 0; font-size: 12px; letter-spacing: .12em; color: #8a95ab; }

/* ---------- 捲動淡入 ---------- */
.js .reveal { opacity: 0; transform: translateY(34px); transition: opacity 1s var(--ease), transform 1.1s var(--ease); transition-delay: var(--d, 0s); }
.js .reveal.is-in { opacity: 1; transform: none; }
.js .card.reveal { transform: translateY(40px) rotateX(8deg); }
.js .card.reveal.is-in { transform: rotateX(var(--rx)) rotateY(var(--ry)); }
.js .card.reveal.is-in.is-settled { transition: transform .5s var(--ease), border-color .3s, box-shadow .4s, opacity 1s; }

/* ---------- Responsive ---------- */
@media (max-width: 1080px) {
  .topics { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 900px) {
  .nav-toggle {
    display: grid; place-content: center; gap: 6px; width: 44px; height: 44px; padding: 0;
    background: transparent; border: 1px solid rgba(216, 178, 100, .45); cursor: pointer; z-index: 2;
  }
  .nav-toggle span { display: block; width: 20px; height: 1.5px; background: var(--cream); transition: transform .35s var(--ease), opacity .25s; }
  .nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7.5px) rotate(45deg); }
  .nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
  .nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7.5px) rotate(-45deg); }
  .nav {
    position: fixed; inset: 0; z-index: 1; flex-direction: column; justify-content: center; gap: 8px;
    background: rgba(0, 15, 39, .96); -webkit-backdrop-filter: blur(16px); backdrop-filter: blur(16px);
    opacity: 0; visibility: hidden; transition: opacity .35s ease, visibility 0s .35s;
  }
  .nav.is-open { opacity: 1; visibility: visible; transition: opacity .35s ease; }
  .nav a { font: 700 22px/1 var(--serif); letter-spacing: .2em; padding: 16px 0; }
  .nav .nav-cta { margin-top: 18px; padding: 16px 34px; font-size: 18px; }
  .brand { position: relative; z-index: 2; }
  .cards { grid-template-columns: minmax(0, 1fr); gap: 22px; }
  .philosophy, .join { padding: 110px 0; }
  .join-grid { grid-template-columns: minmax(0, 1fr); gap: 56px; }
  .join-card { position: relative; top: 0; }
  .hero-art { left: 0; width: 100%; top: auto; bottom: 0; height: 50%; opacity: .75; }
  .hero-vignette { background: linear-gradient(180deg, rgba(0, 21, 53, .25) 0%, rgba(0, 21, 53, .6) 40%, rgba(0, 21, 53, .35) 75%, var(--navy-deep) 100%); }
}
@media (max-width: 560px) {
  body { font-size: 15px; }
  .wrap { padding: 0 20px; }
  .topbar-inner { height: 64px; }
  .brand-en { display: none; }
  .hero { padding: 96px 0 120px; align-items: flex-start; }
  .hero-title { gap: 14px; margin-bottom: 22px; }
  .hero-mark { width: 84px; height: 69px; }
  .hero-zh { font-size: 46px; letter-spacing: .08em; }
  .hero-name { gap: 8px; }
  .hero-en-name { font-size: 14px; letter-spacing: .5em; }
  .hero-slogan { font-size: 20px; }
  .hero-slogan-en { font-size: 17px; }
  .rule-left { margin: 22px 0; }
  .hero-message { margin-bottom: 28px; }
  .hero-slogan { letter-spacing: .08em; }
  .hero-message { letter-spacing: .04em; }
  .hero-actions .btn, .community-actions .btn { width: 100%; }
  .scroll-cue { display: none; }
  .section { padding: 88px 0; }
  .section-head { margin-bottom: 44px; }
  .section h2 { letter-spacing: .1em; }
  .card { padding: 40px 24px 32px; }
  .topics { grid-template-columns: minmax(0, 1fr); gap: 14px; }
  .topic { min-height: 0; grid-template-columns: 44px minmax(0, 1fr); align-items: center; gap: 4px 18px; padding: 22px 24px; }
  .topic-icon { width: 44px; height: 44px; grid-row: span 2; }
  .topic-no { margin: 0; font-size: 12px; letter-spacing: .25em; }
  .topic-name { font-size: 17px; }
  .audience { margin-bottom: 64px; flex-direction: column; }
  .audience-list { flex-direction: column; align-items: stretch; width: 100%; }
  .audience-list li { font-size: 17px; }
  .vision-quote { margin-top: 26px; }
  .join-card { padding: 44px 24px 32px; }
  .faq-item p { padding-right: 8px; }
  .hero-kicker { letter-spacing: .2em; }
  .vision { padding: 120px 0; }
  .br-md { display: none; }
  .footer-top { flex-direction: column; align-items: flex-start; }
}

/* ---------- 減少動態：全部靜態呈現 ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition-duration: .01ms !important; transition-delay: 0s !important; }
  .js .reveal, .js .card.reveal { opacity: 1; transform: none; }
  .js [data-draw] .draw, .js [data-draw] .lm-page, .js [data-draw] .lm-edge, .js [data-draw] .lm-wick, .js [data-draw] .lm-arc { stroke-dashoffset: 0; }
  .js [data-draw] .fill, .js [data-draw] .lm-body, .js [data-draw] .lm-head { opacity: 1; }
  .title-gold { background-position: 0 0; }
  .gold-line { transform: scaleX(1); }
  .card, .topic, .join-card { transform: none !important; }
  .hero-canvas { display: none; }
  .scroll-cue i::after { top: 30%; }
}
.js .join-card.reveal.is-in { transform: perspective(1000px) rotateX(var(--rx)) rotateY(var(--ry)); }