/* ==========================================================================
   玩轉Marketing — 全站共用樣式
   主色：#B8FC10（螢光綠）／ #FEFEFE（純白）／ 底色：#000000（純黑）
   原生 HTML5 / CSS3，可於 file:// 協議直接運行
   ========================================================================== */

/* ---------- 1. 變數 ---------- */
:root {
  /* 品牌色：玩轉Marketing — 螢光綠 #B8FC10 + 純白 #FEFEFE + 純黑底色 #000000 */
  --lime: #b8fc10;
  --lime-deep: #8ec60b;
  --lime-soft: rgba(184, 252, 16, 0.55);
  --ink: #000000;
  --ink-2: #0b0b0b;
  --ink-3: #141414;
  --deep: #060606;
  --white: #fefefe;
  --text: rgba(254, 254, 254, 0.82);
  --muted: rgba(254, 254, 254, 0.58);
  --line: rgba(184, 252, 16, 0.2);
  --card: rgba(254, 254, 254, 0.045);
  --card-2: rgba(254, 254, 254, 0.075);
  --grad: linear-gradient(120deg, #8ec60b 0%, #b8fc10 55%, #e4ff9e 100%);
  --grad-soft: linear-gradient(140deg, rgba(184, 252, 16, 0.18), rgba(184, 252, 16, 0.04));
  --shadow: 0 22px 60px rgba(0, 0, 0, 0.75);

  /* 舊變數名保留為別名，全站既有樣式規則沿用不變 */
  --violet: var(--lime);
  --violet-deep: var(--lime-deep);
  --purple: var(--lime);
  --lav: var(--lime);
  --lav-soft: var(--lime-soft);
  --pink: var(--lime);
  --red: var(--lime);
  --radius: 18px;
  --radius-sm: 12px;
  --container: 1200px;
  --header-h: 84px;
  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
  --font: "PingFang TC", "Microsoft JhengHei", "Noto Sans TC", "Hiragino Sans",
    -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

/* ---------- 2. 基礎 ---------- */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  /* 錨點跳轉（如文章摘要目錄）時預留導航欄高度，避免標題被固定導航欄遮住 */
  scroll-padding-top: calc(var(--header-h) + 28px);
}

body {
  font-family: var(--font);
  background: var(--ink);
  color: var(--text);
  line-height: 1.8;
  font-size: 16px;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* 全站背景光暈 */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background:
    radial-gradient(900px 520px at 82% -8%, rgba(184, 252, 16, 0.14), transparent 62%),
    radial-gradient(760px 460px at 6% 8%, rgba(184, 252, 16, 0.07), transparent 62%),
    radial-gradient(700px 500px at 50% 108%, rgba(184, 252, 16, 0.06), transparent 65%);
}

body > * {
  position: relative;
  z-index: 1;
}

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

a {
  color: inherit;
  text-decoration: none;
}

ul,
ol {
  list-style: none;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  line-height: 1.35;
  font-weight: 800;
  color: var(--white);
  letter-spacing: 0.2px;
}

::selection {
  background: var(--lime);
  color: #000000;
}

/* 捲軸 */
::-webkit-scrollbar {
  width: 10px;
}
::-webkit-scrollbar-track {
  background: #000000;
}
::-webkit-scrollbar-thumb {
  background: linear-gradient(#8ec60b, #b8fc10);
  border-radius: 10px;
}

/* ---------- 3. 佈局工具 ---------- */
.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 96px 0;
  position: relative;
}

.section--tight {
  padding: 68px 0;
}

.section--soft {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.02), rgba(255, 255, 255, 0));
}

.text-center {
  text-align: center;
}

.grad-text {
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  letter-spacing: 2.4px;
  text-transform: uppercase;
  color: var(--lav);
  font-weight: 700;
  margin-bottom: 18px;
}

.eyebrow::before {
  content: "";
  width: 26px;
  height: 2px;
  background: var(--grad);
  border-radius: 2px;
}

.sec-title {
  font-size: clamp(24px, 3.4vw, 42px);
  margin-bottom: 16px;
}

.sec-sub {
  color: var(--muted);
  max-width: 780px;
  font-size: 16px;
}

.text-center .sec-sub {
  margin-left: auto;
  margin-right: auto;
}

.divider {
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--line), transparent);
  border: 0;
  margin: 0;
}

/* ---------- 4. 按鈕 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 30px;
  border-radius: 999px;
  font-weight: 700;
  font-size: 15px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.28s var(--ease), box-shadow 0.28s var(--ease),
    background 0.28s var(--ease), color 0.28s var(--ease), border-color 0.28s var(--ease);
  white-space: nowrap;
}

.btn-primary {
  background: var(--grad);
  color: #000000;
  box-shadow: 0 14px 34px rgba(184, 252, 16, 0.28);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 20px 44px rgba(184, 252, 16, 0.42);
}

.btn-ghost {
  border-color: var(--line);
  color: var(--white);
  background: rgba(254, 254, 254, 0.03);
}

.btn-ghost:hover {
  border-color: var(--lime);
  background: rgba(184, 252, 16, 0.12);
  transform: translateY(-3px);
}

.btn-light {
  background: #fefefe;
  color: #000000;
}

.btn-light:hover {
  transform: translateY(-3px);
  box-shadow: 0 18px 40px rgba(254, 254, 254, 0.2);
}

.btn--sm {
  padding: 10px 22px;
  font-size: 14px;
}

.btn-row {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 30px;
}

.text-center .btn-row {
  justify-content: center;
}

/* 文字連結箭頭 */
.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--lav);
  font-weight: 700;
  font-size: 15px;
  transition: gap 0.25s var(--ease), color 0.25s var(--ease);
}

.link-arrow::after {
  content: "›";
  font-size: 20px;
  line-height: 1;
  transform: translateY(-1px);
}

.link-arrow:hover {
  gap: 14px;
  color: #fff;
}

/* ---------- 5. 頂部導航 ---------- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  /* --nav-h 為導航欄「目前」高度，會被子元素（如行動版選單）繼承使用 */
  --nav-h: var(--header-h);
  height: var(--nav-h);
  z-index: 100;
  display: flex;
  align-items: center;
  transition: background 0.35s var(--ease), box-shadow 0.35s var(--ease),
    height 0.35s var(--ease), backdrop-filter 0.35s var(--ease);
}

.site-header::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(0, 0, 0, 0.85), rgba(0, 0, 0, 0));
  pointer-events: none;
  transition: opacity 0.35s var(--ease);
}

.site-header.is-stuck {
  --nav-h: 74px;
  background: rgba(0, 0, 0, 0.92);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.45);
  border-bottom: 1px solid var(--line);
}

.site-header.is-stuck::after {
  opacity: 0;
}

.nav-inner {
  position: relative;
  z-index: 2;
  width: 100%;
  max-width: 1360px;
  margin: 0 auto;
  padding: 0 26px;
  display: flex;
  align-items: center;
  gap: 24px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

.brand img {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  object-fit: cover;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.06);
  transition: transform 0.35s var(--ease);
}

.brand:hover img {
  transform: rotate(-6deg) scale(1.06);
}

.brand-txt {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}

.brand-txt b {
  font-size: 16px;
  color: #fff;
  letter-spacing: 0.6px;
}

.brand-txt span {
  font-size: 10.5px;
  letter-spacing: 2px;
  color: var(--lav);
  text-transform: uppercase;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 4px;
  margin-left: auto;
}

.nav-menu a {
  display: block;
  padding: 10px 14px;
  font-size: 14.5px;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.78);
  border-radius: 10px;
  transition: color 0.25s var(--ease), background 0.25s var(--ease);
}

.nav-menu a:hover {
  color: #fefefe;
  background: rgba(184, 252, 16, 0.12);
}

.nav-menu a.is-active {
  color: #000000;
  background: var(--grad);
  box-shadow: inset 0 0 0 1px rgba(184, 252, 16, 0.5);
}

.nav-cta {
  flex-shrink: 0;
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.05);
  cursor: pointer;
  position: relative;
  flex-shrink: 0;
}

.nav-toggle span,
.nav-toggle span::before,
.nav-toggle span::after {
  position: absolute;
  left: 50%;
  width: 18px;
  height: 2px;
  background: #fff;
  border-radius: 2px;
  transition: transform 0.3s var(--ease), opacity 0.3s var(--ease);
  transform: translateX(-50%);
}

.nav-toggle span {
  top: 50%;
  margin-top: -1px;
}

.nav-toggle span::before {
  content: "";
  top: -6px;
  left: 0;
  transform: none;
}

.nav-toggle span::after {
  content: "";
  top: 6px;
  left: 0;
  transform: none;
}

body.nav-open .nav-toggle span {
  background: transparent;
}

body.nav-open .nav-toggle span::before {
  transform: translateY(6px) rotate(45deg);
}

body.nav-open .nav-toggle span::after {
  transform: translateY(-6px) rotate(-45deg);
}

/* ---------- 6. Hero ---------- */
.hero {
  position: relative;
  /* 首頁 Hero 與頂部導航欄之間保留大量留白 */
  padding: calc(var(--header-h) + 180px) 0 120px;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(760px 520px at 78% 14%, rgba(184, 252, 16, 0.22), transparent 62%),
    radial-gradient(620px 460px at 12% 78%, rgba(184, 252, 16, 0.1), transparent 66%),
    linear-gradient(160deg, #000000 0%, #0c0c0c 45%, #000000 100%);
}

.hero-bg img {
  position: absolute;
  right: -4%;
  top: 50%;
  width: min(760px, 62vw);
  transform: translateY(-50%);
  opacity: 0.3;
  filter: blur(1px) saturate(1.2);
  mix-blend-mode: screen;
  pointer-events: none;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 56px;
  align-items: center;
}

/* Hero 只剩單一欄位時（例如側欄的國家卡片被移除），讓內容自動撐滿寬度 */
.hero-grid:has(> :only-child) {
  grid-template-columns: 1fr;
}

.hero-marquee {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 8px 18px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.05);
  font-size: 13.5px;
  font-weight: 700;
  color: var(--lav);
  letter-spacing: 1px;
  margin-bottom: 26px;
}

.hero-marquee i {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #b8fc10;
  box-shadow: 0 0 0 0 rgba(184, 252, 16, 0.7);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  70% {
    box-shadow: 0 0 0 12px rgba(184, 252, 16, 0);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(184, 252, 16, 0);
  }
}

.hero h1 {
  font-size: clamp(30px, 5.1vw, 60px);
  font-weight: 900;
  letter-spacing: -0.5px;
  margin-bottom: 22px;
}

.hero-lead {
  font-size: clamp(15px, 1.6vw, 19px);
  color: rgba(255, 255, 255, 0.82);
  max-width: 620px;
}

.hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 26px;
}

/* 合作國家卡 */
.country-card {
  position: relative;
  border-radius: 24px;
  padding: 30px;
  background: linear-gradient(150deg, rgba(184, 252, 16, 0.16), rgba(0, 0, 0, 0.72));
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.country-card::before {
  content: "";
  position: absolute;
  inset: -40% -30% auto auto;
  width: 260px;
  height: 260px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(184, 252, 16, 0.2), transparent 68%);
}

.country-card h3 {
  font-size: 17px;
  margin-bottom: 6px;
}

.country-card p {
  font-size: 13.5px;
  color: var(--muted);
}

.country-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 18px;
}

.country-list span {
  font-size: 12.5px;
  padding: 6px 12px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid var(--line);
  color: rgba(255, 255, 255, 0.86);
}

.country-visual {
  margin-top: 20px;
  border-radius: 14px;
  overflow: hidden;
  border: 1px solid var(--line);
  background: #0a0a0a;
}

.country-visual img {
  width: 100%;
  height: 74px;
  object-fit: cover;
  opacity: 0.92;
}

/* ---------- 6-1. 合作國家滾動輪播（獨立黑色底邊） ---------- */
.country-strip {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  gap: 26px;
  padding: 22px 0;
  background: #000000;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.country-strip-label {
  flex-shrink: 0;
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 3px;
  color: var(--lime);
  white-space: nowrap;
  padding-left: max(24px, calc((100vw - var(--container)) / 2 + 24px));
}

.flag-wall {
  position: relative;
  flex: 1;
  min-width: 0;
  overflow: hidden;
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 6%, #000 88%, transparent);
  mask-image: linear-gradient(90deg, transparent, #000 6%, #000 88%, transparent);
}

.flag-track {
  display: flex;
  width: max-content;
  animation: slide 42s linear infinite;
}

.flag-wall:hover .flag-track {
  animation-play-state: paused;
}

.flag-item {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  gap: 12px;
  height: 58px;
  padding: 0 28px;
}

.flag-item img {
  height: 26px;
  width: auto;
  border-radius: 3px;
  box-shadow: 0 0 0 1px rgba(184, 252, 16, 0.3);
  transition: transform 0.3s var(--ease);
}

.flag-item span {
  font-size: 14.5px;
  font-weight: 700;
  color: rgba(254, 254, 254, 0.72);
  white-space: nowrap;
  transition: color 0.3s var(--ease);
}

.flag-item:hover img {
  transform: translateY(-2px) scale(1.1);
}

.flag-item:hover span {
  color: var(--lime);
}

/* ---------- 6-2. 課金會員策略橫幅（文字在左、圖片在右，水平對齊） ---------- */
.member-banner {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 52px;
  align-items: center;
}

.member-banner-copy .sec-title {
  margin-bottom: 20px;
}

.member-banner-copy .sec-sub {
  max-width: none;
  font-size: 17px;
  line-height: 1.9;
  color: var(--text);
}

/* 圖片本身為透明底（RGBA），因此不加邊框／底色／圓角裁切，避免出現多餘的框線 */
.member-banner-media img {
  display: block;
  width: 100%;
  height: auto;
}

/* 窄螢幕改為上下堆疊，避免文字與圖片互相擠壓 */
@media (max-width: 860px) {
  .member-banner {
    grid-template-columns: 1fr;
    gap: 32px;
  }
}

/* ---------- 6-3. 影音展示（影片在左、圖片在右） ---------- */
.media-duo {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 52px;
  align-items: center;
}

/* 素材皆為透明底／自帶背景，因此不加邊框與底色 */
.media-duo video,
.media-duo img {
  display: block;
  width: 100%;
  height: auto;
}

/* 窄螢幕改為上下堆疊 */
@media (max-width: 860px) {
  .media-duo {
    grid-template-columns: 1fr;
    gap: 32px;
  }
}

/* ---------- 6-4. 影片播放器控制列（由 components/video-player.js 注入） ---------- */
.vp {
  position: relative;
}

.vp video {
  display: block;
  width: 100%;
  height: auto;
  cursor: pointer;
}

/* 控制列平時隱藏，滑鼠移入影片（或鍵盤聚焦到控制項）才浮現，移出即隱藏。
   進度條獨占一列，其餘控制項排在第二列。 */
.vp-bar {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 6px;
  padding: 26px 10px 9px;
  background: linear-gradient(180deg, rgba(0, 0, 0, 0), rgba(0, 0, 0, 0.86) 62%);
  opacity: 0;
  visibility: hidden;
  transform: translateY(6px);
  transition: opacity 0.25s var(--ease), transform 0.25s var(--ease),
    visibility 0.25s var(--ease);
}

.vp:hover .vp-bar,
.vp:focus-within .vp-bar {
  opacity: 1;
  visibility: visible;
  transform: none;
}

/* 觸控裝置沒有 hover，控制列固定顯示 */
@media (hover: none) {
  .vp-bar {
    opacity: 1;
    visibility: visible;
    transform: none;
  }
}

/* 全螢幕：影片填滿畫面，控制列固定顯示以方便離開全螢幕 */
.vp:fullscreen {
  background: #000;
}

.vp:fullscreen video {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.vp:fullscreen .vp-bar {
  opacity: 1;
  visibility: visible;
  transform: none;
}

.vp-seek {
  flex: 1 0 100%;
  margin: 0;
}

.vp-seek,
.vp-vol {
  height: 16px;
  accent-color: var(--lime);
  cursor: pointer;
}

.vp-vol {
  flex: 0 0 auto;
  width: 52px;
}

.vp-btn {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 30px;
  height: 28px;
  padding: 0 8px;
  border-radius: 9px;
  border: 1px solid var(--line);
  background: rgba(254, 254, 254, 0.08);
  color: var(--white);
  font-family: inherit;
  font-size: 11.5px;
  font-weight: 800;
  letter-spacing: 0.3px;
  cursor: pointer;
  transition: background 0.25s var(--ease), color 0.25s var(--ease);
}

.vp-btn:hover {
  background: rgba(184, 252, 16, 0.2);
  color: var(--lime);
}

.vp-btn svg {
  width: 14px;
  height: 14px;
  display: block;
  fill: currentColor;
}

.vp-btn--play {
  min-width: 34px;
}

.vp-time {
  flex: 0 0 auto;
  margin-left: auto;
  font-size: 11.5px;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  color: rgba(254, 254, 254, 0.82);
  white-space: nowrap;
}

.vp-speed {
  flex: 0 0 auto;
  height: 28px;
  padding: 0 6px;
  border-radius: 9px;
  border: 1px solid var(--line);
  background: rgba(254, 254, 254, 0.08);
  color: var(--white);
  font-family: inherit;
  font-size: 11.5px;
  font-weight: 800;
  cursor: pointer;
}

.vp-speed option {
  background: #0a0a0a;
  color: var(--white);
}

/* 空間不足時收起音量滑桿，保留靜音切換 */
@media (max-width: 900px) {
  .vp-vol {
    display: none;
  }
}

@media (max-width: 720px) {
  .vp-bar {
    gap: 5px;
    padding: 22px 8px 7px;
  }
}

/* ---------- 6-5. 客群價值數據報表（文字在左、圖標在右，對齊上方影片欄） ---------- */
.report-band {
  display: grid;
  /* 採用與上方 .media-duo 相同的兩欄比例，讓圖標正好落在影片那一欄下方 */
  grid-template-columns: 1fr 1fr;
  gap: 52px;
  align-items: center;
}

/* 三個方形透明底圖，放大成圖標橫向一排，靠右對齊影片右緣 */
.report-icons {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 22px;
}

.report-icons img {
  display: block;
  width: 96px;
  height: 96px;
  object-fit: contain;
}

.report-hash {
  font-size: clamp(21px, 2.6vw, 32px);
  font-weight: 900;
  letter-spacing: 0.5px;
  color: var(--lime);
  margin-bottom: 14px;
}

.report-line {
  font-size: 16.5px;
  line-height: 1.85;
  color: var(--text);
}

.report-line + .report-line {
  margin-top: 2px;
}

/* 窄螢幕改為上下堆疊 */
@media (max-width: 860px) {
  .report-band {
    grid-template-columns: 1fr;
    gap: 26px;
  }

  .report-icons {
    justify-content: flex-start;
    gap: 16px;
  }

  .report-icons img {
    width: 72px;
    height: 72px;
  }
}

/* ---------- 6-6. 專治灰產廣告投放（白底、文字在左、圖片在右並貼齊底部） ---------- */
.lime-band {
  background: var(--white);
  padding-top: 74px;
  overflow: hidden;
}

.lime-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 52px;
  /* 圖片貼齊區塊底部 */
  align-items: end;
}

/* 讓文字與底部保持留白，圖片才能真正貼底 */
.lime-copy {
  padding-bottom: 74px;
}

.lime-title {
  font-size: clamp(28px, 3.6vw, 46px);
  font-weight: 900;
  letter-spacing: -0.5px;
  color: var(--ink);
  margin-bottom: 16px;
}

.lime-lead {
  font-size: clamp(15px, 1.5vw, 18px);
  font-weight: 600;
  line-height: 1.8;
  color: rgba(0, 0, 0, 0.76);
}

.lime-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 22px;
}

.lime-tags span {
  padding: 7px 14px;
  border-radius: 999px;
  background: rgba(0, 0, 0, 0.09);
  font-size: 13.5px;
  font-weight: 800;
  letter-spacing: 0.3px;
  color: var(--ink);
}

.lime-foot {
  margin-top: 22px;
  font-size: clamp(18px, 2vw, 26px);
  font-weight: 900;
  letter-spacing: 0.5px;
  color: var(--ink);
}

.lime-media img {
  display: block;
  width: 100%;
  height: auto;
}

/* 窄螢幕改為上下堆疊，圖片仍貼齊底部 */
@media (max-width: 860px) {
  .lime-band {
    padding-top: 52px;
  }

  .lime-inner {
    grid-template-columns: 1fr;
    gap: 26px;
  }

  .lime-copy {
    padding-bottom: 0;
  }
}

/* ---------- 6-7. SEO 進榜案例（滿版對半分：左半螢光綠、右半黑） ---------- */
.seo-band {
  display: grid;
  /* 左右各佔畫面一半，中間不留間距 */
  grid-template-columns: 1fr 1fr;
  gap:200px;
}

.seo-half {
  display: flex;
}

/* 左半：螢光綠底，內容靠中線對齊，圖片貼齊區塊底部 */
.seo-half--lime {
  background: var(--lime);
  align-items: flex-end;
  justify-content: flex-end;
}

/* 右半：透出頁面黑底，內容靠中線對齊並垂直置中 */
.seo-half--dark {
  align-items: center;
  justify-content: flex-start;
}

/* 內距與 .container 相同，讓内容邊緣與全站其他區塊對齊 */
.seo-half-inner {
  width: 100%;
  max-width: calc(var(--container) / 2);
  padding: 0 24px;
}

.seo-half--lime .seo-half-inner {
  padding-top: 72px;
}

.seo-half--dark .seo-half-inner {
  padding-top: 72px;
  padding-bottom: 72px;
}

/* 左半文字（綠底上使用深色） */
.seo-case-label {
  font-size: 11.5px;
  font-weight: 800;
  letter-spacing: 2.4px;
  color: rgba(0, 0, 0, 0.55);
  margin-bottom: 10px;
}

.seo-case-title {
  font-size: clamp(14px, 1.25vw, 17px);
  font-weight: 900;
  line-height: 1.6;
  color: var(--ink);
  margin-bottom: 22px;
}

.seo-case-img {
  display: block;
  width: 100%;
  height: auto;
}

/* 右半文字（黑底上使用白色，標題為螢光綠） */
.seo-title {
  font-size: clamp(24px, 2.9vw, 36px);
  font-weight: 900;
  letter-spacing: -0.5px;
  color: var(--lime);
  margin-bottom: 18px;
}

.seo-lead {
  font-size: 15px;
  font-weight: 600;
  line-height: 1.85;
  color: var(--text);
}

.seo-lead + .seo-lead {
  margin-top: 6px;
}

/* 三個方形透明底圖標，接在文字下方橫向一排 */
.seo-icons {
  display: flex;
  align-items: center;
  gap: 84px;
  margin-top: 32px;
}

.seo-icons img {
  display: block;
  width: 68px;
  height: 68px;
  object-fit: contain;
}

/* 窄螢幕改為上下堆疊：上半螢光綠、下半黑 */
@media (max-width: 860px) {
  .seo-band {
    grid-template-columns: 1fr;
  }

  .seo-half--lime,
  .seo-half--dark {
    align-items: center;
    justify-content: center;
  }

  .seo-half-inner {
    max-width: none;
  }

  .seo-half--lime .seo-half-inner {
    padding-top: 56px;
    padding-bottom: 0;
  }

  .seo-half--dark .seo-half-inner {
    padding-top: 56px;
    padding-bottom: 56px;
  }

  .seo-icons {
    gap: 24px;
  }

  .seo-icons img {
    width: 56px;
    height: 56px;
  }
}

/* ---------- 6-8. 全渠道精準客群（圖片在左、文字在右，下方為經營渠道列） ---------- */
.channel-band {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 52px;
  align-items: center;
}

.channel-media img {
  display: block;
  width: 100%;
  height: auto;
}

.channel-title {
  font-size: clamp(22px, 2.6vw, 34px);
  font-weight: 900;
  letter-spacing: -0.4px;
  color: var(--white);
  margin-bottom: 20px;
}

.channel-item {
  font-size: 16px;
  font-weight: 700;
  line-height: 1.9;
  color: var(--text);
}

.channel-item + .channel-item {
  margin-top: 4px;
}

/* 橫跨圖片與文字下方的經營渠道列 */
.channel-row {
  margin-top: 44px;
  padding-top: 24px;
  border-top: 1px solid var(--line);
  font-size: 15px;
  font-weight: 700;
  line-height: 2;
  color: var(--muted);
}

.channel-row-label {
  margin-right: 10px;
  color: var(--lime);
}

/* 窄螢幕改為上下堆疊 */
@media (max-width: 860px) {
  .channel-band {
    grid-template-columns: 1fr;
    gap: 30px;
  }

  .channel-row {
    margin-top: 32px;
    padding-top: 20px;
  }
}

/* ---------- 6-9. 遊戲玩家口碑行銷（圖片在左、螢光綠大字在右） ---------- */
.word-band {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 52px;
  align-items: center;
}

.word-media img {
  display: block;
  width: 100%;
  height: auto;
}

.word-title {
  font-size: clamp(30px, 3.8vw, 50px);
  font-weight: 900;
  letter-spacing: -0.6px;
  line-height: 1.35;
  color: var(--lime);
}

@media (max-width: 860px) {
  .word-band {
    grid-template-columns: 1fr;
    gap: 30px;
  }
}

/* ---------- 7. 三階段流程 ---------- */
.flow {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  margin-top: 40px;
}

.flow-item {
  position: relative;
  padding: 30px 26px;
  border-radius: var(--radius);
  background: var(--card);
  border: 1px solid var(--line);
  transition: transform 0.35s var(--ease), background 0.35s var(--ease),
    border-color 0.35s var(--ease);
}

.flow-item:hover {
  transform: translateY(-8px);
  background: var(--grad-soft);
  border-color: var(--lav-soft);
}

.flow-item .num {
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 2px;
  color: var(--lav);
}

.flow-item h4 {
  font-size: 20px;
  margin: 12px 0 10px;
}

.flow-item p {
  font-size: 14.5px;
  color: var(--muted);
}

.flow-item::after {
  content: "→";
  position: absolute;
  right: -21px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 22px;
  color: var(--lav-soft);
  z-index: 2;
}

.flow-item:last-child::after {
  display: none;
}

/* ---------- 8. 卡片網格 ---------- */
.grid {
  display: grid;
  gap: 22px;
}

.grid-2 {
  grid-template-columns: repeat(2, 1fr);
}

.grid-3 {
  grid-template-columns: repeat(3, 1fr);
}

.grid-4 {
  grid-template-columns: repeat(4, 1fr);
}

.card {
  padding: 30px 28px;
  border-radius: var(--radius);
  background: var(--card);
  border: 1px solid var(--line);
  transition: transform 0.35s var(--ease), background 0.35s var(--ease),
    border-color 0.35s var(--ease), box-shadow 0.35s var(--ease);
  height: 100%;
}

.card:hover {
  transform: translateY(-8px);
  background: var(--card-2);
  border-color: var(--lav-soft);
  box-shadow: 0 24px 50px rgba(0, 0, 0, 0.4);
}

.card h3 {
  font-size: 19px;
  margin-bottom: 10px;
}

.card h4 {
  font-size: 17px;
  margin-bottom: 8px;
}

.card p {
  font-size: 14.5px;
  color: var(--muted);
}

.card-icon {
  width: 56px;
  height: 56px;
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--grad-soft);
  border: 1px solid var(--line);
  margin-bottom: 18px;
  overflow: hidden;
}

.card-icon img {
  width: 34px;
  height: 34px;
  object-fit: contain;
}

/* 圖片卡（產業 / 渠道） */
.tile {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--line);
  background: linear-gradient(160deg, rgba(184, 252, 16, 0.12), rgba(0, 0, 0, 0.9));
  transition: transform 0.4s var(--ease), border-color 0.4s var(--ease),
    box-shadow 0.4s var(--ease);
  height: 100%;
  display: flex;
  flex-direction: column;
}

.tile:hover {
  transform: translateY(-8px);
  border-color: var(--lav-soft);
  box-shadow: 0 26px 54px rgba(0, 0, 0, 0.45);
}

.tile-media {
  position: relative;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: #0a0a0a;
}

.tile-media img {
  width: 100%;
  height: 100%;
  /* 用 contain 讓圖片完整顯示在卡片框内，不會被裁切 */
  object-fit: contain;
  transition: transform 0.6s var(--ease);
}

.tile:hover .tile-media img {
  transform: scale(1.08);
}

.tile-media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(0, 0, 0, 0) 40%, rgba(0, 0, 0, 0.92));
}

.tile-body {
  padding: 20px 22px 24px;
}

.tile-body h4 {
  font-size: 17px;
  margin-bottom: 6px;
}

.tile-body p {
  font-size: 13.5px;
  color: var(--muted);
}

/* ---------- 9. 標籤 ---------- */
.tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.tag {
  font-size: 13px;
  font-weight: 700;
  padding: 7px 15px;
  border-radius: 999px;
  color: var(--lime);
  background: rgba(184, 252, 16, 0.14);
  border: 1px solid rgba(184, 252, 16, 0.32);
}

.tag-red {
  color: #fefefe;
  background: rgba(254, 254, 254, 0.06);
  border-color: rgba(254, 254, 254, 0.28);
}

.tag-plain {
  color: rgba(254, 254, 254, 0.82);
  background: rgba(254, 254, 254, 0.06);
  border-color: var(--line);
}

/* 標籤橫向跑馬燈（兩側淡出、滑入暫停） */
.tag-marquee {
  position: relative;
  overflow: hidden;
  margin-top: 30px;
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
  mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
}

.tag-track {
  display: flex;
  align-items: center;
  width: max-content;
  animation: slide 34s linear infinite;
}

/* 用 margin 而非 gap，確保 -50% 位移能精準無縫接軌 */
.tag-track .tag {
  flex-shrink: 0;
  white-space: nowrap;
  margin-right: 12px;
}

.tag-marquee:hover .tag-track {
  animation-play-state: paused;
}

/* ---------- 10. 警示區塊（灰產廣告） ---------- */
.alert-block {
  position: relative;
  border-radius: 26px;
  padding: 52px 46px;
  background: linear-gradient(140deg, rgba(184, 252, 16, 0.1), rgba(0, 0, 0, 0.85) 55%);
  border: 1px solid rgba(184, 252, 16, 0.3);
  overflow: hidden;
}

.alert-block::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(
    45deg,
    rgba(255, 255, 255, 0.035) 0 12px,
    transparent 12px 24px
  );
  pointer-events: none;
}

.alert-block h2 {
  font-size: clamp(22px, 3vw, 36px);
  margin-bottom: 18px;
  position: relative;
}

.strike {
  color: var(--red);
  position: relative;
}

/* ---------- 11. 報表 / 數據 ---------- */
.stat-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}

.stat {
  padding: 34px 28px;
  border-radius: var(--radius);
  text-align: center;
  background: var(--card);
  border: 1px solid var(--line);
  transition: transform 0.35s var(--ease), border-color 0.35s var(--ease);
}

.stat:hover {
  transform: translateY(-6px);
  border-color: var(--lav-soft);
}

.stat b {
  display: block;
  font-size: clamp(30px, 4.4vw, 50px);
  font-weight: 900;
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  line-height: 1.15;
}

.stat span {
  display: block;
  margin-top: 10px;
  font-size: 14.5px;
  color: var(--muted);
}

/* 渠道清單 */
.channel-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 26px;
}

.channel-strip span {
  font-size: 13px;
  padding: 8px 15px;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--line);
  color: rgba(255, 255, 255, 0.85);
  transition: background 0.25s var(--ease), transform 0.25s var(--ease);
}

.channel-strip span:hover {
  background: rgba(184, 252, 16, 0.2);
  transform: translateY(-3px);
}

/* ---------- 11-2. 渠道表格 + 影片（左表格、右影片） ---------- */
.channel-split {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 52px;
  align-items: center;
  margin-top: 40px;
}

.channel-table-wrap {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--card);
}

.channel-table {
  width: 100%;
  border-collapse: collapse;
}

.channel-table th,
.channel-table td {
  padding: 13px 18px;
  text-align: left;
  font-size: 15px;
  border-bottom: 1px solid var(--line);
}

.channel-table thead th {
  background: var(--card-2);
  color: var(--white);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 1.6px;
  text-transform: uppercase;
}

.channel-table tbody th {
  width: 64px;
  text-align: center;
  font-weight: 700;
  color: var(--lime);
}

.channel-table tbody td {
  color: var(--text);
  font-weight: 400;
}

.channel-table tbody tr:nth-child(even) {
  background: rgba(254, 254, 254, 0.03);
}

.channel-table tbody tr:hover {
  background: rgba(184, 252, 16, 0.09);
}

.channel-table tbody tr:last-child th,
.channel-table tbody tr:last-child td {
  border-bottom: 0;
}

/* 影片沿用站上播放器組件，僅補上比例避免載入前後跳動 */
.channel-media video {
  aspect-ratio: 4 / 3;
}

/* 窄螢幕改為上下堆疊 */
@media (max-width: 960px) {
  .channel-split {
    grid-template-columns: 1fr;
    gap: 32px;
  }
}

/* ---------- 12. 左右文字圖區塊 ---------- */
.split {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 52px;
  align-items: center;
}

.split--reverse .split-media {
  order: 2;
}

.split-media {
  border-radius: 22px;
  overflow: hidden;
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  background: #0a0a0a;
}

.split-media img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  transition: transform 0.65s var(--ease);
}

.split-media:hover img {
  transform: scale(1.05);
}

.split-body h2 {
  font-size: clamp(22px, 3vw, 36px);
  margin-bottom: 16px;
}

.split-body p {
  color: var(--muted);
  margin-bottom: 12px;
}

/* 直排按鍵：從上往下排列 */
.stack-btns {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin: 26px 0 22px;
}

.stack-btns .btn {
  width: 100%;
  justify-content: flex-start;
  padding-left: 26px;
  padding-right: 26px;
}

/* 置中收斂版：用於區塊下方的 CTA 按鍵 */
.stack-btns--center {
  align-items: center;
  max-width: 340px;
  margin: 40px auto 0;
}

.stack-btns--center .btn {
  justify-content: center;
}

/* 履約流程圖 */
.process-figure {
  margin-top: 44px;
}

.process-figure img {
  display: block;
  width: 100%;
  max-width: 760px;
  height: auto;
  margin: 0 auto;
  border-radius: var(--radius);
}

/* ---------- 灰產娛樂城廣告諮詢：加大區塊寬度與圖片，讓左右兩欄高度接近 ---------- */
/* 這一塊突破本站 1200px 的容器上限，把左右留白用掉 */
#sec7 .container {
  max-width: 1700px;
}

/* 圖片欄比文字欄寬，圖片才能放大到與文字相近的高度。
   限定桌機寬度，否則 #sec7 的特異性會蓋掉站上 ≤1080px 的單欄收合。 */
@media (min-width: 1081px) {
  #sec7 .split {
    grid-template-columns: 1fr 1.6fr;
    gap: 56px;
  }
}

/* 拿掉 16/10 的固定比例，讓圖片依原始比例（1.5）隨欄寬放大，不裁切 */
#sec7 .split-media img {
  aspect-ratio: auto;
  height: auto;
}

/* 課金用戶行銷漏斗：以 b3.jpeg 作為整個區塊的背景，上面壓一層暗色漸層確保文字可讀 */
.funnel-section {
  position: relative;
  background-image: linear-gradient(rgba(0, 0, 0, 0.78), rgba(0, 0, 0, 0.88)),
    url("../img/b3.jpeg");
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}

/* 這一區的圖片框改成 1:1 並用 contain，讓正方形 b5.png 完整顯示、不被裁切 */
.funnel-section .split-media img {
  aspect-ratio: 1 / 1;
  object-fit: contain;
}

/* ---------- 13. 檢查清單 ---------- */
.check-list {
  display: grid;
  gap: 14px;
  margin-top: 22px;
}

.check-list li {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  font-size: 15px;
  color: rgba(255, 255, 255, 0.84);
}

.check-list li::before {
  content: "✓";
  flex-shrink: 0;
  width: 24px;
  height: 24px;
  border-radius: 8px;
  display: grid;
  place-items: center;
  font-size: 13px;
  font-weight: 800;
  color: #000000;
  background: var(--grad);
  margin-top: 3px;
}

.check-list--red li::before {
  content: "✕";
  color: #fefefe;
  background: rgba(254, 254, 254, 0.16);
  border: 1px solid var(--line);
}

/* ---------- 14. 手風琴（FAQ / 渠道） ---------- */
.accordion {
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--card);
}

.acc-item + .acc-item {
  border-top: 1px solid var(--line);
}

.acc-head {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 18px;
  padding: 22px 26px;
  background: transparent;
  border: 0;
  cursor: pointer;
  text-align: left;
  color: #fff;
  font-family: inherit;
  font-size: 16.5px;
  font-weight: 700;
  transition: background 0.3s var(--ease);
}

.acc-head:hover {
  background: rgba(184, 252, 16, 0.07);
}

.acc-head .idx {
  flex-shrink: 0;
  width: 34px;
  height: 34px;
  border-radius: 10px;
  display: grid;
  place-items: center;
  font-size: 14px;
  background: var(--grad-soft);
  border: 1px solid var(--line);
  color: var(--lav);
}

.acc-head .arrow {
  position: relative;
  margin-left: auto;
  flex-shrink: 0;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  border: 1px solid var(--line);
  /* 原本 HTML 內的「⌄」不再顯示，改由下方 ::before 顯示 +／− */
  font-size: 0;
  color: var(--lav);
  transition: background 0.35s var(--ease);
}

/* 收合時顯示 +、展開時顯示 − */
.acc-head .arrow::before {
  content: "+";
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  font-size: 18px;
  line-height: 1;
}

.acc-item.is-open .acc-head {
  background: rgba(184, 252, 16, 0.1);
}

.acc-item.is-open .acc-head .arrow {
  background: var(--grad);
  color: #000000;
  border-color: transparent;
}

.acc-item.is-open .acc-head .arrow::before {
  content: "−";
}

.acc-body {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.45s var(--ease);
}

.acc-body-inner {
  padding: 4px 26px 28px 78px;
  color: var(--muted);
  font-size: 15px;
}

.acc-body-inner p + p {
  margin-top: 12px;
}

/* ---------- 15. 定價方案 ---------- */
.plan {
  /* 由下方 .plan--* 覆寫，未指定時沿用品牌螢光綠 */
  --plan-accent: var(--lime);
  --plan-accent-soft: var(--lav-soft);
  --plan-accent-wash: rgba(184, 252, 16, 0.16);
  position: relative;
  display: flex;
  flex-direction: column;
  padding: 36px 30px;
  border-radius: 22px;
  background: var(--card);
  border: 1px solid var(--plan-accent-soft);
  transition: transform 0.35s var(--ease), border-color 0.35s var(--ease),
    box-shadow 0.35s var(--ease);
  height: 100%;
}

.plan:hover {
  transform: translateY(-10px);
  border-color: var(--plan-accent);
  box-shadow: 0 28px 60px rgba(0, 0, 0, 0.45);
}

/* 邊框色沿用 .plan 的 --plan-accent-soft，這裡只調背景，
   否則會蓋掉 .plan:hover 的強調色 */
.plan.is-featured {
  background: linear-gradient(160deg, var(--plan-accent-wash), rgba(0, 0, 0, 0.86));
}

/* 三張卡片各用一種顏色的邊框 */
.plan--lime {
  --plan-accent: #b8fc10;
  --plan-accent-soft: rgba(184, 252, 16, 0.5);
  --plan-accent-wash: rgba(184, 252, 16, 0.16);
}

.plan--cyan {
  --plan-accent: #22d3ee;
  --plan-accent-soft: rgba(34, 211, 238, 0.5);
  --plan-accent-wash: rgba(34, 211, 238, 0.14);
}

.plan--pink {
  --plan-accent: #ff5cf0;
  --plan-accent-soft: rgba(255, 92, 240, 0.5);
  --plan-accent-wash: rgba(255, 92, 240, 0.14);
}

/* 按鍵平時維持原色，滑鼠移入才變成與該卡片邊框相同的顏色 */
.plan .btn:hover {
  background: var(--plan-accent);
  border-color: var(--plan-accent);
  color: #000000;
  box-shadow: 0 18px 40px var(--plan-accent-soft);
  transform: translateY(-3px);
}

.plan-flag {
  position: absolute;
  top: 18px;
  right: 18px;
  font-size: 11.5px;
  letter-spacing: 1.4px;
  font-weight: 800;
  padding: 6px 12px;
  border-radius: 999px;
  background: var(--grad);
  color: #000000;
  text-transform: uppercase;
}

.plan-tag {
  font-size: 12.5px;
  letter-spacing: 2px;
  color: var(--lav);
  font-weight: 800;
  text-transform: uppercase;
}

.plan h3 {
  font-size: 22px;
  margin: 10px 0 4px;
}

.plan .price {
  font-size: 44px;
  font-weight: 900;
  color: #fff;
  line-height: 1.1;
  margin-top: 14px;
}

.plan .price small {
  font-size: 15px;
  font-weight: 700;
  color: var(--lav);
}

.plan .terms {
  font-size: 13px;
  color: var(--muted);
  margin-bottom: 20px;
}

.plan .plan-list {
  display: grid;
  gap: 12px;
  margin: 20px 0 28px;
  padding-top: 20px;
  border-top: 1px solid var(--line);
  font-size: 14.5px;
}

.plan .plan-list li {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  color: rgba(255, 255, 255, 0.84);
}

.plan .plan-list li::before {
  content: "✔";
  color: var(--lav);
  font-size: 13px;
  margin-top: 4px;
}

.plan .btn {
  margin-top: auto;
  width: 100%;
}

/* ---------- 16. 步驟（合作流程） ---------- */
.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}

.step {
  position: relative;
  padding: 32px 26px;
  border-radius: var(--radius);
  background: var(--card);
  border: 1px solid var(--line);
  transition: transform 0.35s var(--ease), background 0.35s var(--ease);
}

.step:hover {
  transform: translateY(-8px);
  background: var(--grad-soft);
}

.step .step-no {
  font-size: 46px;
  font-weight: 900;
  line-height: 1;
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  opacity: 0.9;
}

.step h4 {
  font-size: 19px;
  margin: 16px 0 10px;
}

.step p {
  font-size: 14.5px;
  color: var(--muted);
}

/* ---------- 17. 合作公司 LOGO 牆 ---------- */
.logo-wall {
  position: relative;
  display: grid;
  gap: 22px;
  overflow: hidden;
  margin-top: 38px;
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
  mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
}

/* 三行跑馬燈，每行速度不同（由 --logo-speed 控制），讓三行錯落不同步 */
.logo-track {
  display: flex;
  width: max-content;
  animation-name: slide;
  animation-duration: var(--logo-speed, 46s);
  animation-timing-function: linear;
  animation-iteration-count: infinite;
}

.logo-track:nth-child(1) {
  --logo-speed: 46s; /* 6 個品牌 → 約 30px/s，中速 */
}

.logo-track:nth-child(2) {
  --logo-speed: 34s; /* 5 個品牌 → 約 34px/s，最快 */
  animation-name: slide-reverse; /* 第 2 行反向：向右捲動 */
}

.logo-track:nth-child(3) {
  --logo-speed: 64s; /* 5 個品牌 → 約 18px/s，最慢 */
}

.logo-wall:hover .logo-track {
  animation-play-state: paused;
}

@keyframes slide {
  from {
    transform: translateX(0);
  }
  to {
    transform: translateX(-50%);
  }
}

/* 反向：讓指定行改為向右捲動 */
@keyframes slide-reverse {
  from {
    transform: translateX(-50%);
  }
  to {
    transform: translateX(0);
  }
}

.logo-item {
  flex-shrink: 0;
  width: 210px;
  margin-right: 22px;
  height: 104px;
  display: grid;
  place-items: center;
  padding: 16px;
  transition: transform 0.3s var(--ease);
}

.logo-item:hover {
  transform: translateY(-4px);
}

.logo-item img {
  max-width: 100%;
  max-height: 68px;
  object-fit: contain;
}

/* ---------- 18. 聯絡資訊 ---------- */
.contact-card {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 22px 24px;
  border-radius: var(--radius-sm);
  background: var(--card);
  border: 1px solid var(--line);
  transition: transform 0.3s var(--ease), border-color 0.3s var(--ease);
}

.contact-card:hover {
  transform: translateY(-5px);
  border-color: var(--lav-soft);
}

.contact-card img {
  width: 46px;
  height: 46px;
  border-radius: 12px;
  object-fit: contain;
  background: rgba(255, 255, 255, 0.06);
  padding: 8px;
  border: 1px solid var(--line);
  flex-shrink: 0;
}

.contact-card b {
  display: block;
  font-size: 12.5px;
  letter-spacing: 1.6px;
  text-transform: uppercase;
  color: var(--lav);
}

.contact-card span {
  font-size: 16px;
  color: #fff;
  font-weight: 700;
  word-break: break-all;
}

/* 了解更多／聯絡資訊：左欄兩個頁面連結、右欄兩個聯絡方式，兩欄水平對齊、不加外框 */
.info-list {
  display: grid;
  grid-auto-flow: column;
  grid-template-rows: repeat(2, auto);
  grid-template-columns: 1fr 1fr;
  gap: 2px 24px;
  margin-top: 22px;
}

.info-list > li {
  display: flex;
}

.info-list > li > .info-row {
  flex: 1;
}

.info-row {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 16px 10px;
  border-radius: 10px;
  transition: background 0.25s var(--ease);
}

.info-row:hover {
  background: rgba(184, 252, 16, 0.08);
}

/* 圖示不加底色或邊框，直接顯示 */
.info-row img {
  width: 30px;
  height: 30px;
  object-fit: contain;
  flex-shrink: 0;
}

.info-row-label {
  min-width: 88px;
  font-size: 12.5px;
  font-weight: 800;
  letter-spacing: 1.6px;
  text-transform: uppercase;
  color: var(--lav);
}

.info-row-text {
  font-size: 16px;
  font-weight: 700;
  color: var(--white);
  word-break: break-all;
}

/* 窄螢幕改回單欄，避免兩欄互相擠壓 */
@media (max-width: 720px) {
  .info-list {
    grid-auto-flow: row;
    grid-template-columns: 1fr;
    grid-template-rows: auto;
  }
}

/* 表單 */
.form-card {
  padding: 40px;
  border-radius: 24px;
  background: linear-gradient(150deg, rgba(184, 252, 16, 0.1), rgba(0, 0, 0, 0.86));
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.field--full {
  grid-column: 1 / -1;
}

.field label {
  font-size: 13.5px;
  font-weight: 700;
  color: var(--lav);
  letter-spacing: 0.6px;
}

.field input,
.field select,
.field textarea {
  width: 100%;
  padding: 14px 16px;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.05);
  color: #fff;
  font-family: inherit;
  font-size: 15px;
  transition: border-color 0.25s var(--ease), background 0.25s var(--ease);
}

.field textarea {
  min-height: 128px;
  resize: vertical;
}

.field input::placeholder,
.field textarea::placeholder {
  color: rgba(255, 255, 255, 0.38);
}

.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--lav);
  background: rgba(255, 255, 255, 0.09);
}

.field select option {
  background: #0a0a0a;
  color: #fefefe;
}

.form-note {
  font-size: 13px;
  color: var(--muted);
  margin-top: 16px;
}

.form-msg {
  display: none;
  margin-top: 16px;
  padding: 14px 18px;
  border-radius: 12px;
  font-size: 14px;
  font-weight: 700;
  background: rgba(184, 252, 16, 0.12);
  border: 1px solid rgba(184, 252, 16, 0.42);
  color: #dcff96;
}

.form-msg.is-show {
  display: block;
}

/* ---------- 19. 頁尾 ---------- */
.site-footer {
  margin-top: 40px;
  border-top: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.02), rgba(0, 0, 0, 0.35));
  padding: 66px 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: 40px;
}

.footer-brand p {
  font-size: 14.5px;
  color: var(--muted);
  margin-top: 16px;
  max-width: 320px;
}

.footer-col h5 {
  font-size: 14px;
  letter-spacing: 1.6px;
  text-transform: uppercase;
  color: var(--lav);
  margin-bottom: 18px;
}

.footer-col a,
.footer-col p {
  display: block;
  font-size: 14.5px;
  color: var(--muted);
  margin-bottom: 11px;
  transition: color 0.25s var(--ease), transform 0.25s var(--ease);
}

.footer-col a:hover {
  color: #fff;
  transform: translateX(4px);
}

.footer-bottom {
  margin-top: 52px;
  padding: 24px 0;
  border-top: 1px solid var(--line);
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: space-between;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.45);
}

/* ---------- 20. 頁面橫幅（內頁） ---------- */
.page-hero {
  position: relative;
  padding: calc(var(--header-h) + 104px) 0 76px;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
}

.page-hero-bg {
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(680px 420px at 84% 0%, rgba(184, 252, 16, 0.18), transparent 64%),
    radial-gradient(560px 380px at 6% 100%, rgba(184, 252, 16, 0.08), transparent 66%),
    linear-gradient(150deg, #000000, #0c0c0c);
}

.page-hero h1 {
  font-size: clamp(26px, 4vw, 48px);
  margin-bottom: 16px;
}

.crumb {
  font-size: 13px;
  color: var(--muted);
  margin-bottom: 16px;
}

.crumb a:hover {
  color: var(--lav);
}

.crumb span {
  margin: 0 8px;
  opacity: 0.5;
}

/* 置中版頁面橫幅：螢光綠標語 + 主視覺（廣告整合方案頁） */
.page-hero .page-hero-inner {
  text-align: center;
}

.page-hero .page-hero-title {
  font-size: clamp(26px, 4vw, 48px);
  font-weight: 900;
  letter-spacing: -0.5px;
  color: var(--lime);
  margin-bottom: 14px;
}

/* 第二行亮度較低、字級較小，與標題做出層級區分 */
.page-hero .page-hero-desc {
  font-size: clamp(14px, 1.5vw, 18px);
  font-weight: 700;
  line-height: 1.7;
  color: rgba(184, 252, 16, 0.6);
}

.page-hero .page-hero-media {
  max-width: 520px;
  margin: 40px auto 0;
}

.page-hero .page-hero-media img {
  display: block;
  width: 100%;
  height: auto;
}

/* 合作方案頁專用橫幅：左側影片 + 右側流程消息框（沿用全站深色主題） */
.page-hero--cooperation {
  padding: calc(var(--header-h) + 86px) 0 88px;
}

/* 頁面標題置於橫幅上方並水平置中，影片與流程框排在其下 */
.cooperation-hero-head {
  max-width: 920px;
  margin: 0 auto 58px;
  text-align: center;
}

.cooperation-hero-head h1 {
  margin-bottom: 16px;
}

/* 副標題接在 h1 正下方，跟隨區塊一起置中 */
.cooperation-hero-head .sec-sub {
  margin-left: auto;
  margin-right: auto;
}

.cooperation-hero {
  display: grid;
  grid-template-columns: minmax(0, 1.18fr) minmax(0, 0.92fr);
  gap: 86px;
  align-items: center;
}

.cooperation-hero-flow {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

/* 影片為 4:3，先給比例讓載入前後不跳動；其餘外觀沿用站上播放器組件 */
.cooperation-hero-media video {
  aspect-ratio: 4 / 3;
}

.cooperation-flow-card h3 {
  margin: 0 0 12px;
  text-align: center;
  font-size: clamp(18px, 2vw, 22px);
  color: var(--white);
}

.cooperation-flow-bubble {
  position: relative;
  display: grid;
  grid-template-columns: 72px minmax(0, 1fr);
  gap: 18px;
  align-items: center;
  padding: 18px 26px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--card);
  transition: border-color 0.28s var(--ease), background 0.28s var(--ease),
    transform 0.28s var(--ease);
}

.cooperation-flow-bubble:hover {
  border-color: var(--lime);
  background: var(--card-2);
  transform: translateY(-3px);
}

.cooperation-flow-bubble img {
  width: 60px;
  height: 60px;
  object-fit: contain;
}

.cooperation-flow-bubble p {
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--muted);
}

.cooperation-flow-no {
  position: absolute;
  top: 50%;
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--grad);
  color: #000000;
  font-size: 20px;
  font-weight: 800;
  box-shadow: 0 12px 24px rgba(184, 252, 16, 0.28);
  transform: translateY(-50%);
}

.cooperation-flow-card--left .cooperation-flow-no {
  left: -19px;
}

.cooperation-flow-card--right .cooperation-flow-no {
  right: -19px;
}

@media (max-width: 1220px) {
  .cooperation-hero {
    grid-template-columns: 1fr;
    gap: 42px;
  }

  .cooperation-hero-media {
    max-width: 900px;
    width: 100%;
    margin: 0 auto;
  }
}

@media (max-width: 720px) {
  .page-hero--cooperation {
    padding: calc(var(--header-h) + 72px) 0 68px;
  }

  .cooperation-flow-bubble {
    grid-template-columns: 1fr;
    justify-items: center;
    text-align: center;
    padding: 20px 18px;
  }

  .cooperation-flow-card h3 {
    font-size: 18px;
  }

  .cooperation-flow-bubble p {
    font-size: 14px;
  }

  .cooperation-flow-card--left .cooperation-flow-no,
  .cooperation-flow-card--right .cooperation-flow-no {
    left: 50%;
    right: auto;
    top: -18px;
    transform: translateX(-50%);
  }
}

/* 左右兩欄的橫幅（左文案、右主視覺，沿用 .split）：圖片底邊貼齊橫幅底部邊框線 */
.page-hero--contact,
.page-hero--channel {
  padding-bottom: 0;
}

/* 主視覺不帶外框，直接顯示在頁面上 */
.page-hero--contact .split-media,
.page-hero--channel .split-media {
  border: 0;
  background: none;
  border-radius: 0;
  box-shadow: none;
  overflow: visible;
}

/* 圖片依原比例完整顯示，不被 .split-media 的 16/10 框裁切 */
.page-hero--contact .split-media img,
.page-hero--channel .split-media img {
  aspect-ratio: auto;
  height: auto;
}

.page-hero--contact .split-media:hover img,
.page-hero--channel .split-media:hover img {
  transform: none;
}

/* 橫幅本身已有底部邊框線，緊接的國旗輪播不重複畫上緣線 */
.page-hero + .country-strip {
  border-top: 0;
}

/* SEO 頁橫幅：左側文案＋動態數據、右側主視覺（沿用 .split 左右版型） */
.page-hero--seo {
  /* 底部內距歸零，讓 c1.png 直接貼齊橫幅底部的邊框線 */
  padding-bottom: 0;
}

.page-hero--seo .split-body h1 {
  margin-bottom: 16px;
}

.page-hero--seo .split-body .sec-sub {
  max-width: none;
}

/* 讓 c1.png 依原比例完整顯示，不被 .split-media 的 16/10 框裁切 */
.page-hero--seo .split-media img {
  aspect-ratio: auto;
  height: auto;
}

/* 這區的圖片與三組數據不帶外框，直接顯示在頁面上 */
.page-hero--seo .split-media {
  border: 0;
  background: none;
  border-radius: 0;
  box-shadow: none;
  overflow: visible;
}

.page-hero--seo .split-media:hover img {
  transform: none;
}

.page-hero--seo .stat-row {
  margin-top: 32px;
}

.page-hero--seo .stat {
  padding: 0;
  background: none;
  border: 0;
}

.page-hero--seo .stat:hover {
  transform: none;
}

/* 三組數據在同一列，字級縮小以免「300,000+」擠出欄位 */
.page-hero--seo .stat b {
  font-size: clamp(20px, 2vw, 30px);
}

/* .stat span 原本是給標籤用的通用規則，會連 <b> 內裝數字的 span 一起蓋成 14.5px，
   這裡把它還原成 b 的字級 */
.page-hero--seo .stat b > span {
  font-size: inherit;
  margin-top: 0;
  color: inherit;
}

/* ---------- 21. 內文排版（文章頁） ---------- */
.prose {
  max-width: 900px;
}

/* 跨國 SEO 策略：c2.png 作滿版底圖（不加任何遮罩），文字貼在圖片最上方 */
.section--seo-bg {
  position: relative;
  padding: 0;
}

.section--seo-bg .seo-bg-img {
  display: block;
  width: 100%;
  height: auto;
}

.section--seo-bg .container {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: flex-start;
  justify-content: center;
}

.section--seo-bg .prose {
  margin: 0;
  text-align: center;
}

/* 標題的 48px 上外距與段落的 16px 下外距會影響貼齊，歸零 */
.section--seo-bg .prose h2 {
  margin-top: 0;
}

.section--seo-bg .prose p:last-child {
  margin-bottom: 0;
}

/* 手機端：文字改放在背景圖上方（圖片外面），不與圖片重疊 */
@media (max-width: 800px) {
  .section--seo-bg {
    display: flex;
    flex-direction: column;
    padding: 96px 0;
  }

  .section--seo-bg .container {
    position: static;
    order: 1;
    padding-bottom: 22px;
  }

  .section--seo-bg .seo-bg-img {
    order: 2;
  }
}

.prose h2 {
  font-size: clamp(22px, 2.8vw, 32px);
  margin: 48px 0 16px;
}

.prose h3 {
  font-size: clamp(19px, 2.2vw, 24px);
  margin: 34px 0 12px;
}

.prose h4 {
  font-size: 18px;
  margin: 26px 0 10px;
}

.prose p {
  margin-bottom: 16px;
  color: var(--muted);
}

.prose ul,
.prose ol {
  margin: 0 0 18px 4px;
  display: grid;
  gap: 10px;
}

.prose ul li,
.prose ol li {
  position: relative;
  padding-left: 22px;
  color: var(--muted);
}

.prose ul li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 12px;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--grad);
}

.prose ol {
  counter-reset: item;
}

.prose ol li::before {
  counter-increment: item;
  content: counter(item) ".";
  position: absolute;
  left: 0;
  top: 0;
  color: var(--lav);
  font-weight: 800;
}

.prose strong {
  color: #fff;
}

.prose img {
  border-radius: 16px;
  border: 1px solid var(--line);
  margin: 26px 0;
}

/* 目錄摘要 */
.toc {
  padding: 28px 30px;
  border-radius: var(--radius);
  background: var(--card);
  border: 1px solid var(--line);
}

.toc h4 {
  font-size: 15px;
  letter-spacing: 1.6px;
  text-transform: uppercase;
  color: var(--lav);
  margin-bottom: 16px;
}

.toc ol {
  counter-reset: toc;
  display: grid;
  gap: 11px;
}

.toc li {
  counter-increment: toc;
}

.toc a {
  display: flex;
  gap: 12px;
  font-size: 14.5px;
  color: rgba(255, 255, 255, 0.8);
  transition: color 0.25s var(--ease), transform 0.25s var(--ease);
}

.toc a::before {
  content: counter(toc, decimal-leading-zero);
  color: var(--lav);
  font-weight: 800;
  font-size: 13px;
  padding-top: 3px;
}

.toc a:hover {
  color: #fff;
  transform: translateX(4px);
}

/* ---------- 22. 滾動進場動畫 ---------- */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}

.reveal.is-in {
  opacity: 1;
  transform: none;
}

/* ---------- 23. 響應式 ---------- */
@media (max-width: 1080px) {
  .nav-menu {
    position: fixed;
    top: var(--nav-h);
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 2px;
    padding: 16px 20px 26px;
    background: rgba(0, 0, 0, 0.98);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--line);
    transform: translateY(-12px);
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s var(--ease), transform 0.3s var(--ease),
      visibility 0.3s var(--ease);
    max-height: calc(100vh - var(--nav-h));
    overflow-y: auto;
  }

  body.nav-open .nav-menu {
    opacity: 1;
    visibility: visible;
    transform: none;
  }

  .nav-menu a {
    padding: 14px 16px;
    font-size: 15px;
  }

  .nav-toggle {
    display: block;
    margin-left: auto;
  }

  .nav-cta {
    display: none;
  }

  .hero-grid,
  .split {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .split--reverse .split-media {
    order: 0;
  }

  .grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }

  .grid-3,
  .steps {
    grid-template-columns: repeat(2, 1fr);
  }

  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 720px) {
  .section {
    padding: 66px 0;
  }

  .container {
    padding: 0 18px;
  }

  .grid-2,
  .grid-3,
  .grid-4,
  .steps,
  .stat-row,
  .flow {
    grid-template-columns: 1fr;
  }

  .flow-item::after {
    content: "↓";
    right: auto;
    left: 50%;
    top: auto;
    bottom: -20px;
    transform: translateX(-50%);
  }

  .form-grid {
    grid-template-columns: 1fr;
  }

  .form-card,
  .alert-block {
    padding: 30px 22px;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 30px;
  }

  .acc-body-inner {
    padding: 4px 20px 24px 20px;
  }

  .acc-head {
    padding: 18px 18px;
    font-size: 15px;
    gap: 12px;
  }

  .hero {
    padding-top: calc(var(--header-h) + 96px);
    padding-bottom: 84px;
  }

  .country-strip {
    flex-direction: column;
    align-items: stretch;
    gap: 12px;
    padding: 18px 0;
  }

  .country-strip-label {
    padding-left: 18px;
  }
}