/* ============================================================
   about-v2.css — 關於實力 about.aspx 新版套版專用
   - 對應 01-3 原型 about.html
   - 全部 class 加 iv2- 前綴,scope 在 .iv2-root 內(不污染 Bootstrap/其他頁)
   - 字體統一 Noto Sans Traditional Chinese(同 about-exam-v2 / about-honors-v2)
   - 尺寸:.iv2-root 基準 17px,子元素用 em;clamp() 用 px
   - 中文文案全形標點;CSS 內一律半形
   - 本檔自帶完整 token/base/wrap/btn/crumb/eyebrow,不依賴 about-exam-v2.css 載入
   - RWD 斷點:1024(wrap 90%)/ 1000 / 900 / 800 / 600 / 560 / 500
   ============================================================ */

.iv2-root {
  --iv2-brand-navy: #0a1530;
  --iv2-brand-navy-deep: #060d1f;
  --iv2-brand-navy-mid: #1a2a52;
  --iv2-primary: #5645d4;
  --iv2-primary-pressed: #4534b3;
  --iv2-primary-deep: #3a2a99;
  --iv2-primary-soft: #ece9fb;
  --iv2-accent-red: #ff385c;
  --iv2-accent-amber: #f5d75e;
  --iv2-success: #1aae39;
  --iv2-warning: #dd5b00;
  --iv2-canvas: #ffffff;
  --iv2-surface: #f6f5f4;
  --iv2-surface-soft: #fafaf9;
  --iv2-hairline: #e5e3df;
  --iv2-hairline-soft: #ede9e4;
  --iv2-hairline-strong: #c8c4be;
  --iv2-ink: #1a1a1a;
  --iv2-charcoal: #37352f;
  --iv2-slate: #5d5b54;
  --iv2-steel: #787671;
  --iv2-muted: #bbb8b1;
  --iv2-stone: #9b9892;
  --iv2-tint-peach: #ffe8d4;
  --iv2-tint-mint: #d9f3e1;
  --iv2-tint-lavender: #e6e0f5;
  --iv2-tint-sky: #dcecfa;
  --iv2-tint-yellow: #fef7d6;
  --iv2-r-sm: 10px;
  --iv2-r-md: 14px;
  --iv2-r-lg: 20px;
  --iv2-r-xl: 28px;
  --iv2-r-pill: 999px;
  --iv2-s-2: 8px;
  --iv2-s-3: 12px;
  --iv2-s-4: 16px;
  --iv2-s-5: 24px;
  --iv2-s-6: 32px;
  --iv2-s-7: 48px;
  --iv2-s-8: 64px;
  --iv2-s-9: 96px;
  /* v2.11: 陰影 token 微提升,全公開頁一致,卡片更有浮起深度感 */
  --iv2-shadow-sm: 0 2px 5px rgba(15,23,48,0.07);
  --iv2-shadow-md: 0 6px 16px rgba(15,23,48,0.10);
  --iv2-shadow-lg: 0 16px 40px rgba(15,23,48,0.15);
  --iv2-shadow-xl: 0 24px 60px rgba(15,23,48,0.18);
  --iv2-font: 'Noto Sans Traditional Chinese', 'Noto Sans TC', 'Noto Sans CJK TC', 'Microsoft JhengHei', PingFangTC, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-family: var(--iv2-font);
  font-size: 17px;
  color: var(--iv2-ink);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

.iv2-root * { box-sizing: border-box; }
.iv2-root img, .iv2-root svg { display: block; max-width: 100%; }
.iv2-root a { color: inherit; text-decoration: none; }
.iv2-root ul { padding: 0; margin: 0; list-style: none; }
.iv2-root h1, .iv2-root h2, .iv2-root h3, .iv2-root h4, .iv2-root p { margin: 0; }
.iv2-root button { font: inherit; cursor: pointer; border: none; background: none; color: inherit; }
.iv2-root dl, .iv2-root dt, .iv2-root dd { margin: 0; }
.iv2-root blockquote { margin: 0; }

/* RWD 防溢位:本頁 body / nav / footer 一併套字體(同 about-exam-v2 規則) */
html, body { overflow-x: hidden; }
body,
body button,
body input,
body select,
body textarea {
  font-family: 'Noto Sans Traditional Chinese', 'Noto Sans TC', 'Noto Sans CJK TC', 'Microsoft JhengHei', PingFangTC, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

/* ============ 容器 / 共用 ============ */
/* 寬度占比:電腦 80% / 平板 90% / 手機 100% */
.iv2-root .iv2-wrap { width: 80%; max-width: none; margin-inline: auto; padding-inline: var(--iv2-s-5); }
@media (max-width: 1024px) { .iv2-root .iv2-wrap { width: 90%; } }
@media (max-width: 560px) { .iv2-root .iv2-wrap { width: 100%; padding-inline: 14px; } }

.iv2-root .iv2-btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; height: 46px; padding: 0 24px; border-radius: var(--iv2-r-pill); font-weight: 600; font-size: 0.95em; transition: all .15s; white-space: nowrap; border: none; cursor: pointer; font-family: inherit; }
.iv2-root .iv2-btn svg { width: 16px; height: 16px; stroke: currentColor; fill: none; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.iv2-root .iv2-btn-on-dark { background: #fff; color: var(--iv2-ink); }
.iv2-root .iv2-btn-on-dark:hover { background: var(--iv2-surface); }
.iv2-root .iv2-btn-outline-dark { background: transparent; color: #fff; border: 1px solid rgba(255,255,255,0.32); }
.iv2-root .iv2-btn-outline-dark:hover { background: rgba(255,255,255,0.1); color: #fff; }
.iv2-root .iv2-btn-lg { height: 52px; padding: 0 28px; font-size: 1em; }

/* 麵包屑 */
.iv2-root .iv2-crumb { font-size: 0.85em; color: var(--iv2-slate); }
.iv2-root .iv2-crumb a:hover { color: var(--iv2-primary); }
.iv2-root .iv2-crumb .iv2-sep { margin: 0 8px; color: var(--iv2-muted); }

/* 區塊抬頭(eyebrow) */
.iv2-root .iv2-eyebrow { display: inline-block; font-size: 0.78em; font-weight: 700; letter-spacing: 0.14em; text-transform: uppercase; color: var(--iv2-primary); }
.iv2-root .iv2-hero-eyebrow { display: inline-block; font-size: 0.78em; font-weight: 700; letter-spacing: 0.14em; text-transform: uppercase; color: var(--iv2-primary); }

/* ============ HERO(深藍漸層 + dot-grid) ============ */
.iv2-root .iv2-about-hero {
  position: relative; overflow: hidden;
  background:
    radial-gradient(at 20% 20%, rgba(86,69,212,0.45) 0%, transparent 50%),
    radial-gradient(at 80% 10%, rgba(42,157,153,0.4)  0%, transparent 45%),
    radial-gradient(at 30% 80%, rgba(255,56,92,0.25)  0%, transparent 50%),
    radial-gradient(at 90% 70%, rgba(245,215,94,0.25) 0%, transparent 40%),
    linear-gradient(180deg, var(--iv2-brand-navy) 0%, var(--iv2-brand-navy-deep) 100%);
  color: #fff;
  padding-block: clamp(80px, 12vw, 160px) clamp(72px, 11vw, 150px);
  isolation: isolate;
}
.iv2-root .iv2-about-hero::after {
  content: ""; position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
  background-size: 64px 64px;
  pointer-events: none;
}
.iv2-root .iv2-about-hero-inner { position: relative; z-index: 1; max-width: 900px; }
.iv2-root .iv2-about-hero .iv2-crumb { color: rgba(255,255,255,0.7); padding-bottom: var(--iv2-s-5); }
.iv2-root .iv2-about-hero .iv2-crumb a:hover { color: #fff; }
.iv2-root .iv2-about-hero .iv2-crumb .iv2-sep { color: rgba(255,255,255,0.4); }
.iv2-root .iv2-about-hero .iv2-eye { font-size: 0.8em; color: var(--iv2-accent-amber); font-weight: 700; letter-spacing: 0.12em; text-transform: uppercase; }
.iv2-root .iv2-about-hero h1 { font-size: clamp(46px, 26px + 4vw, 93px); font-weight: 300; letter-spacing: -0.03em; line-height: 1.0; margin-top: var(--iv2-s-4); }
.iv2-root .iv2-about-hero h1 strong { font-weight: 600; }
.iv2-root .iv2-about-hero p { color: rgba(255,255,255,0.78); font-size: 1.25em; line-height: 1.6; margin-top: var(--iv2-s-6); max-width: 640px; }
.iv2-root .iv2-about-hero .iv2-hero-cta { display: flex; gap: var(--iv2-s-3); margin-top: var(--iv2-s-6); flex-wrap: wrap; }

/* ============ big-stats ============ */
.iv2-root .iv2-big-stats { background: var(--iv2-canvas); border-bottom: 1px solid var(--iv2-hairline); padding-block: var(--iv2-s-8); }
.iv2-root .iv2-big-stats-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--iv2-s-7); }
@media (max-width: 800px) { .iv2-root .iv2-big-stats-row { grid-template-columns: repeat(2, 1fr); gap: var(--iv2-s-6); } }
.iv2-root .iv2-big-stat .iv2-bn { font-size: clamp(51px, 26px + 4vw, 85px); font-weight: 300; line-height: 0.95; letter-spacing: -0.04em; color: var(--iv2-brand-navy); font-variant-numeric: tabular-nums; }
.iv2-root .iv2-big-stat .iv2-bn .iv2-unit { font-size: 0.35em; color: var(--iv2-slate); font-weight: 400; margin-left: 6px; letter-spacing: 0; }
.iv2-root .iv2-big-stat .iv2-bl { color: var(--iv2-slate); margin-top: var(--iv2-s-3); font-size: 0.9em; line-height: 1.5; }

/* ============ mission ============ */
.iv2-root .iv2-mission { padding-block: var(--iv2-s-9); }
.iv2-root .iv2-mission-grid { display: grid; grid-template-columns: 0.8fr 1.2fr; gap: var(--iv2-s-7); align-items: start; }
@media (max-width: 800px) { .iv2-root .iv2-mission-grid { grid-template-columns: 1fr; } }
.iv2-root .iv2-mission-grid h2 { font-size: clamp(34px, 17px + 2.5vw, 51px); font-weight: 600; letter-spacing: -0.02em; line-height: 1.15; margin-top: var(--iv2-s-3); }
.iv2-root .iv2-mission-body p { color: var(--iv2-charcoal); font-size: 1.125em; line-height: 1.8; margin-top: var(--iv2-s-4); }
.iv2-root .iv2-mission-body p:first-child { margin-top: 0; font-size: 1.25em; color: var(--iv2-ink); }
.iv2-root .iv2-mission-body strong { color: var(--iv2-ink); font-weight: 600; }
.iv2-root .iv2-mission-sign { margin-top: var(--iv2-s-6); padding-top: var(--iv2-s-5); border-top: 1px solid var(--iv2-hairline); color: var(--iv2-slate); font-size: 0.9em; font-style: italic; }

/* ============ timeline ============ */
.iv2-root .iv2-timeline-section { background: var(--iv2-surface-soft); border-block: 1px solid var(--iv2-hairline-soft); padding-block: var(--iv2-s-9); }
.iv2-root .iv2-section-head { text-align: center; max-width: 640px; margin: 0 auto; }
.iv2-root .iv2-section-head h2 { font-size: clamp(31px, 17px + 2vw, 46px); font-weight: 600; letter-spacing: -0.01em; line-height: 1.2; color: var(--iv2-ink); margin-top: var(--iv2-s-3); }
.iv2-root .iv2-section-head .iv2-lead { color: var(--iv2-slate); font-size: 1.1em; line-height: 1.7; margin-top: var(--iv2-s-3); }
.iv2-root .iv2-timeline { position: relative; max-width: 720px; margin: 0 auto; padding: var(--iv2-s-5) 0 0; }
.iv2-root .iv2-timeline::before { content: ""; position: absolute; left: 24px; top: 32px; bottom: 0; width: 2px; background: var(--iv2-hairline); }
.iv2-root .iv2-tl-event { display: grid; grid-template-columns: 60px 1fr; gap: var(--iv2-s-4); padding: var(--iv2-s-4) 0; position: relative; }
.iv2-root .iv2-tl-year { width: 50px; height: 50px; border-radius: 50%; background: var(--iv2-canvas); border: 2px solid var(--iv2-hairline-strong); display: grid; place-items: center; font-weight: 700; font-size: 13px; color: var(--iv2-ink); position: relative; z-index: 1; }
.iv2-root .iv2-tl-event.is-key .iv2-tl-year { background: var(--iv2-primary); color: #fff; border-color: var(--iv2-primary); box-shadow: 0 0 0 6px var(--iv2-primary-soft); }
.iv2-root .iv2-tl-event h4 { font-size: 1.125em; font-weight: 600; color: var(--iv2-ink); }
.iv2-root .iv2-tl-event p { color: var(--iv2-slate); font-size: 0.9em; margin-top: 6px; line-height: 1.6; }

/* ============ why ============ */
.iv2-root .iv2-why-section { padding-block: var(--iv2-s-9); }
.iv2-root .iv2-why-head { max-width: 680px; }
.iv2-root .iv2-why-head h2 { font-size: clamp(31px, 17px + 2vw, 46px); font-weight: 600; letter-spacing: -0.01em; line-height: 1.2; color: var(--iv2-ink); margin-top: var(--iv2-s-3); }
.iv2-root .iv2-why-head .iv2-lead { color: var(--iv2-slate); font-size: 1.1em; line-height: 1.7; margin-top: var(--iv2-s-3); }
.iv2-root .iv2-why-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--iv2-s-5); margin-top: var(--iv2-s-6); }
@media (max-width: 900px) { .iv2-root .iv2-why-grid { grid-template-columns: 1fr; } }
.iv2-root .iv2-why-card { background: var(--iv2-canvas); border: 1px solid var(--iv2-hairline); border-radius: var(--iv2-r-lg); padding: var(--iv2-s-6); box-shadow: var(--iv2-shadow-sm); transition: transform .2s, box-shadow .2s; }
.iv2-root .iv2-why-card:hover { transform: translateY(-4px); box-shadow: var(--iv2-shadow-lg); }
.iv2-root .iv2-why-num { font-size: 1em; font-weight: 700; color: var(--iv2-primary); letter-spacing: 0.08em; }
.iv2-root .iv2-why-card h3 { font-size: 1.375em; font-weight: 600; color: var(--iv2-ink); margin-top: var(--iv2-s-3); letter-spacing: -0.01em; line-height: 1.25; }
.iv2-root .iv2-why-card p { color: var(--iv2-slate); margin-top: var(--iv2-s-3); line-height: 1.65; }

/* ============ founder(深藍區) ============ */
.iv2-root .iv2-founder-section { background: var(--iv2-brand-navy); color: #fff; padding-block: var(--iv2-s-9); position: relative; overflow: hidden; }
.iv2-root .iv2-founder-section::before { content: ""; position: absolute; width: 600px; height: 600px; background: var(--iv2-primary); filter: blur(140px); opacity: 0.3; border-radius: 50%; left: -180px; top: -180px; }
.iv2-root .iv2-founder-grid { display: grid; grid-template-columns: 320px 1fr; gap: var(--iv2-s-7); align-items: center; position: relative; z-index: 1; }
@media (max-width: 800px) { .iv2-root .iv2-founder-grid { grid-template-columns: 1fr; } }
.iv2-root .iv2-founder-photo { aspect-ratio: 1 / 1; max-width: 320px; margin: 0 auto; border-radius: var(--iv2-r-xl); overflow: hidden; background: linear-gradient(135deg, var(--iv2-primary-deep), var(--iv2-brand-navy-mid)); display: grid; place-items: center; box-shadow: 0 30px 80px rgba(0,0,0,0.5); }
.iv2-root .iv2-founder-photo .iv2-fgl { font-size: 180px; font-weight: 700; color: rgba(255,255,255,0.92); }
.iv2-root .iv2-founder-info .iv2-eye { font-size: 0.8em; color: var(--iv2-accent-amber); font-weight: 700; letter-spacing: 0.12em; text-transform: uppercase; }
.iv2-root .iv2-founder-info h2 { color: #fff; font-size: clamp(30px, 17px + 2vw, 43px); font-weight: 600; line-height: 1.2; letter-spacing: -0.01em; margin-top: var(--iv2-s-3); }
.iv2-root .iv2-founder-info .iv2-quote { font-size: 1.375em; line-height: 1.6; font-style: italic; color: rgba(255,255,255,0.92); margin-top: var(--iv2-s-5); padding-left: var(--iv2-s-4); border-left: 3px solid var(--iv2-accent-amber); }
.iv2-root .iv2-founder-info .iv2-role { color: rgba(255,255,255,0.6); font-size: 0.9em; margin-top: var(--iv2-s-4); }

/* ============ locations ============ */
.iv2-root .iv2-loc-section { padding-block: var(--iv2-s-9); }
.iv2-root .iv2-loc-head { text-align: center; max-width: 640px; margin: 0 auto var(--iv2-s-6); }
.iv2-root .iv2-loc-head h2 { font-size: clamp(31px, 17px + 2vw, 46px); font-weight: 600; letter-spacing: -0.01em; line-height: 1.2; color: var(--iv2-ink); margin-top: var(--iv2-s-3); }
.iv2-root .iv2-loc-head .iv2-lead { color: var(--iv2-slate); font-size: 1.1em; line-height: 1.7; margin-top: var(--iv2-s-3); }
/* 分班據點卡(風格仿頁尾 footer-v2 branch:surface 卡 + 漸層圓點標題 + icon 列;圖改 Google Map iframe) */
.iv2-root .iv2-loc-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: var(--iv2-s-4); margin-top: var(--iv2-s-6); }
@media (max-width: 1024px) { .iv2-root .iv2-loc-grid { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 720px) { .iv2-root .iv2-loc-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 480px) { .iv2-root .iv2-loc-grid { grid-template-columns: 1fr; } }
.iv2-root .iv2-loc-card { display: flex; flex-direction: column; gap: 0.55em; background: var(--iv2-surface); border: 1px solid var(--iv2-hairline); border-radius: 16px; padding: 14px 14px 16px; box-shadow: 0 1px 2px rgba(15,23,48,0.04); transition: transform .2s cubic-bezier(.16,1,.3,1), background .2s ease, border-color .2s ease, box-shadow .2s ease; }
.iv2-root .iv2-loc-card:hover { transform: translateY(-4px); background: #fff; border-color: rgba(86,69,212,0.4); box-shadow: 0 16px 34px -18px rgba(15,23,48,0.25); }
.iv2-root .iv2-loc-map { aspect-ratio: 3 / 2; border-radius: var(--iv2-r-sm); overflow: hidden; background: var(--iv2-surface); margin-bottom: 4px; }
.iv2-root .iv2-loc-map iframe { width: 100%; height: 100%; border: 0; display: block; }
.iv2-root .iv2-loc-name { display: flex; align-items: center; gap: 0.5em; font-size: 1.0625em; font-weight: 700; color: var(--iv2-ink); letter-spacing: 0.02em; }
.iv2-root .iv2-loc-name::before { content: ""; width: 0.5em; height: 0.5em; border-radius: 50%; flex-shrink: 0; background: linear-gradient(135deg, var(--iv2-primary), var(--iv2-accent-amber)); box-shadow: 0 0 0 3px rgba(86,69,212,0.14); }
.iv2-root .iv2-loc-row { display: flex; align-items: flex-start; gap: 0.55em; font-size: 0.9em; color: var(--iv2-slate); line-height: 1.55; transition: color .16s ease; }
.iv2-root .iv2-loc-row svg { width: 1.05em; height: 1.05em; color: var(--iv2-primary); flex-shrink: 0; margin-top: 0.2em; stroke: currentColor; fill: none; stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; transition: color .16s ease; }
.iv2-root .iv2-loc-row:hover { color: var(--iv2-charcoal); }
.iv2-root .iv2-loc-phone-row { color: var(--iv2-charcoal); font-weight: 600; font-variant-numeric: tabular-nums; }

/* ============ media-strip ============ */
.iv2-root .iv2-media-strip { background: var(--iv2-surface-soft); padding-block: var(--iv2-s-7); border-top: 1px solid var(--iv2-hairline-soft); }
.iv2-root .iv2-media-head { text-align: center; margin-bottom: var(--iv2-s-6); }
.iv2-root .iv2-media-head .iv2-eyebrow { color: var(--iv2-slate); }
.iv2-root .iv2-media-head h3 { font-size: 1.25em; color: var(--iv2-ink); font-weight: 600; margin-top: 8px; }
.iv2-root .iv2-media-row { display: grid; grid-template-columns: repeat(6, 1fr); gap: var(--iv2-s-5); align-items: center; }
@media (max-width: 800px) { .iv2-root .iv2-media-row { grid-template-columns: repeat(3, 1fr); } }
.iv2-root .iv2-media-logo { height: 48px; display: grid; place-items: center; color: var(--iv2-stone); font-weight: 700; font-size: 0.9em; letter-spacing: 0.02em; border: 1px solid var(--iv2-hairline-soft); border-radius: var(--iv2-r-sm); transition: color .15s, border-color .15s; }
.iv2-root .iv2-media-logo:hover { color: var(--iv2-charcoal); border-color: var(--iv2-hairline-strong); }

/* ============ CTA(深藍漸層卡) ============ */
.iv2-root .iv2-cta-section { padding-block: var(--iv2-s-8); }
.iv2-root .iv2-cta-card { background: linear-gradient(135deg, var(--iv2-primary-deep) 0%, var(--iv2-brand-navy) 80%); color: #fff; border-radius: var(--iv2-r-xl); padding: clamp(40px, 5vw, 72px); text-align: center; position: relative; overflow: hidden; }
.iv2-root .iv2-cta-card .iv2-eyebrow { color: var(--iv2-accent-amber); }
.iv2-root .iv2-cta-card h2 { color: #fff; font-size: clamp(31px, 17px + 2vw, 46px); font-weight: 600; line-height: 1.2; letter-spacing: -0.01em; margin-top: var(--iv2-s-3); }
.iv2-root .iv2-cta-card p { color: rgba(255,255,255,0.8); margin-top: var(--iv2-s-3); max-width: 520px; margin-inline: auto; line-height: 1.7; }
.iv2-root .iv2-cta-btns { display: flex; gap: var(--iv2-s-3); justify-content: center; margin-top: var(--iv2-s-6); flex-wrap: wrap; }