/* ---reset.css--- */
html,
body,
div,
span,
applet,
object,
iframe,
h1,
h2,
h3,
h4,
h5,
h6,
p,
blockquote,
pre,
a,
abbr,
acronym,
address,
big,
cite,
code,
del,
dfn,
em,
img,
ins,
kbd,
q,
s,
samp,
small,
strike,
strong,
sub,
sup,
tt,
var,
b,
u,
i,
center,
dl,
dt,
dd,
ol,
ul,
li,
fieldset,
form,
label,
legend,
caption,
tfoot,
article,
aside,
canvas,
details,
embed,
figure,
figcaption,
footer,
header,
hgroup,
menu,
nav,
output,
ruby,
section,
summary,
time,
mark,
audio,
video {
  margin: 0;
  padding: 0;
  border: 0;
}

/* HTML5 display-role reset for older browsers */
article,
aside,
details,
figcaption,
figure,
footer,
header,
hgroup,
menu,
nav,
section {
  display: block;
}

a,
a:link,
a:visited {
  text-decoration: none;
}
a:hover {
  text-decoration: none;
  cursor: pointer;
}

body {
  line-height: 1;
  font-size: 16px;
  font-family:
    "Open Sans", "Noto Sans TC", "Microsoft JhengHei", "Source Sans Pro",
    sans-serif;
  color: #2e2a2e;
  display: relative;
  word-wrap: break-word;
  word-break: break-all;
  margin: 0;
  padding: 0;
  overflow-x: hidden;
  overflow-y: scroll;
}

table {
  border-collapse: collapse;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
}

.main_navbar {
  width: 100%;
  height: 80px;
  position: fixed;
  top: 0;
  left: 0;
  z-index: 9999;
  background-color: transparent;
  box-shadow: none;
  backdrop-filter: blur(0px);
  -webkit-backdrop-filter: blur(0px);

  transition: all 0.3s ease;
}

.main_navbar.scrolled {
  background-color: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
}
.nav_container {
  width: 90%;
  max-width: 1200px;
  height: 100%;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.nav_logo {
  display: flex;
  align-items: center;
  height: 100%;
}

.nav_logo img {
  width: 250px;
  height: auto;
  display: block;
}

.nav_menu {
  display: flex;
  align-items: center;
  gap: 30px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav_link {
  color: var(--color-primary);
  font-size: 16px;
  font-weight: bold;
  text-decoration: none;
  letter-spacing: 1px;
  transition: color 0.3s ease;
  position: relative;
}

.nav_link::after {
  content: "";
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 0%;
  height: 2px;
  background-color: var(--color-accent);
  transition: width 0.3s ease;
}

.nav_link:hover {
  color: var(--color-accent);
}

.nav_link:hover::after {
  width: 100%;
}

.nav_btn_primary {
  display: inline-block;
  background-color: var(--color-accent);
  color: var(--text-white);
  padding: 10px 24px;
  border-radius: 50px;
  font-size: 16px;
  font-weight: bold;
  text-decoration: none;
  letter-spacing: 1px;
  transition:
    background-color 0.3s ease,
    transform 0.2s ease;
}

.nav_btn_primary:hover {
  background-color: #c9093b;
  transform: translateY(-2px);
}

.hamburger_btn {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  width: 25px;
  height: 18px;
  cursor: pointer;
  z-index: 9999;
}

.hamburger_btn span {
  display: block;
  width: 100%;
  height: 2px;
  background-color: var(--color-primary);
  border-radius: 2px;
  transition: all 0.3s ease;
}

@media screen and (max-width: 992px) {
  .main_navbar {
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
  }

  .nav_logo img {
    width: 220px;
  }

  .hamburger_btn {
    display: flex;
  }
  .hamburger_btn.is-active span:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
  }
  .hamburger_btn.is-active span:nth-child(2) {
    opacity: 0;
  }
  .hamburger_btn.is-active span:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
  }

  .nav_menu {
    position: absolute;
    top: 90px;
    right: 5%;
    left: auto;
    width: 250px;
    gap: 15px;
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    border-radius: 16px;
    border: 1px solid rgba(255, 255, 255, 0.4);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.08);
    flex-direction: column;
    padding: 15px 0;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-15px);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  }

  .nav_menu.is-active {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
  }

  .nav_menu li {
    width: 100%;
    text-align: left;
  }

  .nav_link {
    display: block;
    padding: 12px 25px;
    font-size: 16px;
  }

  .nav_link::after {
    display: none;
  }

  .nav_btn_primary {
    display: block;
    width: calc(100% - 50px);
    margin: 15px auto 5px auto;
    font-size: 16px;
    padding: 12px 0;
    text-align: center;
  }
}

/* --主視覺------------------------------------- */
#KV {
  width: 100%;
  height: 800px;
  background-image: url("image/KV_pc.png");
  background-position: center center;
  background-color: #fdfbfd;
  background-size: cover;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.KV_content {
  width: 90%;
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 15px;
  box-sizing: border-box;
  position: relative;
  z-index: 2;
}

.KV_text_group {
  max-width: 500px;
  text-align: left;
}

#KV h1 {
  color: var(--color-primary);
  line-height: 1.2;
  margin-bottom: 20px;
  width: 100%;
  padding: 0;
}

#KV h1 .en {
  display: block;
  font-size: clamp(36px, 5vw, 60px);
  letter-spacing: 3px;
  font-weight: bold;
}

#KV h1 .tw {
  display: block;
  font-size: clamp(40px, 6vw, 66px);
  letter-spacing: 6px;
  font-weight: bold;
}

.KV_sub {
  font-size: clamp(18px, 2vw, 22px);
  line-height: 1.6;
  color: var(--text-dark);
  font-weight: bold;
  margin-bottom: 30px;
  letter-spacing: 1px;
}

.KV_sub .highlight {
  color: var(--color-accent);
  font-size: 1.3em;
  padding-right: 5px;
}

#KV .content_btn {
  margin: 0;
  width: auto;
  min-width: 320px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  text-align: center;
  text-decoration: none;
}

.btn_arrow {
  font-size: 16px;
  animation: arrowJumpContinuous 1.5s infinite ease-in-out;
}

@keyframes arrowJumpContinuous {
  0%,
  100% {
    transform: translateX(0);
  }
  20% {
    transform: translateX(6px);
  }
  40% {
    transform: translateX(-1px);
  }
  60% {
    transform: translateX(0);
  }
}
#KV .content_btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(228, 15, 72, 0.3);
}

@media screen and (min-width: 1921px) {
  #KV {
    background-position: right;
  }
}

@media screen and (max-width: 1199px) {
  #KV {
    background-image: url("image/KV_pc_2.png");
    height: 700px;
    background-size: cover;
  }
  .KV_text_group {
    max-width: 450px;
  }
}

@media screen and (max-width: 811px) {
  #KV {
    height: 660px;
    background-image: url("image/KV_mobile.png");
    background-position: center bottom;
    background-size: cover;
    background-repeat: no-repeat;
    width: 100%;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
    padding-top: 120px;
  }

  .KV_content {
    display: flex;
    flex-direction: column;
    align-items: center;
    width: 100%;
    padding: 0 20px;
    box-sizing: border-box;
  }

  .KV_text_group {
    max-width: 100%;
    text-align: center;
    margin-bottom: 20px;
  }

  #KV h1 .tw {
    font-size: clamp(36px, 8vw, 40px);
    letter-spacing: 2px;
    padding-top: 5px;
  }

  #KV .content_btn {
    margin: 0 auto;
    max-width: 280px;
    min-width: auto;
    display: inline-flex;
  }

  #KV .content_btn:hover {
    transform: none;
  }
}

/* -- 設定 -- */

:root {
  --color-primary: #1d2432;
  --color-accent: #e40f48;
  --text-dark: #2e2a2e;
  --text-gray: #8c898a;
  --text-white: #ffffff;

  /* -- 漸層色 -- */
  --grad-start: #d90e40;
  --grad-end: #fe646d;
  --bg-gradient: linear-gradient(
    90deg,
    var(--grad-start) 0%,
    var(--grad-end) 100%
  );

  /* -- 背景色 -- */
  --bg-light-blue: #e4edf5;
  --bg-white: #ffffff;
  --bg-light-gray: #f5f7fa;

  --content-width: 85%;
  --max-width: 950px;
}

.gradient_bg {
  background: var(--bg-gradient);
  color: var(--text-white);
}

/* -- 內容區共同設定 -- */
.content_section {
  width: 100%;
  padding: clamp(30px, 5vw, 60px) 0;
  text-align: center;
  line-height: 1.2;
}

.content_section.hero_bg {
  background-color: var(--bg-light-blue);
}
.content_section.white_bg {
  background-color: var(--bg-white);
}
.content_section.gray_bg {
  background-color: var(--bg-light-gray);
}
.content_section.accent_bg {
  background-color: var(--color-accent);
  color: var(--text-white);
}

h2 {
  width: var(--content-width);
  max-width: var(--max-width);
  font-size: clamp(24px, 4vw, 38px);
  color: var(--color-primary);
  letter-spacing: 2px;
  padding: clamp(10px, 2vw, 20px) 0;
  margin: 0 auto;
  line-height: 1.5;
}

.accent_bg h2,
.accent_bg h4,
.accent_bg .content_text {
  color: var(--text-white);
}

h3 {
  width: 90%;
  max-width: var(--max-width);
  font-size: clamp(22px, 3vw, 28px);
  line-height: 1.4;
  padding: 10px 0;
  margin: 0 auto;
}

h3.type2 {
  color: var(--color-accent);
  letter-spacing: 2px;
}

h3.type2 .tag {
  display: inline-block;
  background-color: var(--color-accent);
  color: var(--text-white);
  font-size: 0.8em;
  font-weight: normal;
  padding: 5px 20px;
  border-radius: 2px 20px 20px 2px;
  margin-right: 8px;
  letter-spacing: 2px;
  box-shadow: 2px 2px 5px rgba(0, 0, 0, 0.1);
}

h4 {
  width: 90%;
  max-width: 800px;
  font-size: clamp(20px, 2.5vw, 24px);
  font-weight: normal;
  color: var(--text-dark);
  text-align: justify;
  line-height: 1.5;
  padding: 10px 0;
  margin: 0 auto;
}

h4.color-1 {
  color: var(--text-dark);
}

h4.type2 {
  color: var(--color-accent);
  font-weight: bold;
  letter-spacing: 2px;
  text-align: center;
}

.content_text {
  width: 85%;
  max-width: var(--max-width);
  font-size: clamp(16px, 2vw, 20px);
  font-weight: normal;
  color: var(--text-dark);
  text-align: justify;
  line-height: 1.5;
  padding: 10px 0;
  margin: 0 auto;
}

/* -- 共用對齊工具 -- */
.font_center {
  text-align: center;
}
.font_justify {
  text-align: justify;
}
.font_left {
  text-align: left;
}
.font_right {
  text-align: right;
}

.content_chart {
  width: 90%;
  max-width: 600px;
  height: auto;
  margin: 20px auto;
  display: block;
}

.content_btn {
  display: inline-block;
  width: 70%;
  max-width: 300px;
  font-size: clamp(17px, 2vw, 19px);
  font-weight: bold;
  letter-spacing: 2px;
  color: var(--text-white);
  background: var(--bg-gradient);
  background-size: 200% auto;
  border-radius: 50px;
  padding: 18px 25px;
  margin: clamp(20px, 3vw, 30px) 10px;
  transition: background-position 0.4s ease-in-out;
}

.content_btn:hover {
  background-position: right center;
}

/* --- APP 下載區 --- */
#app-download-section,
#app-download-section-2 {
  padding: clamp(25px, 3vw, 40px) 0;
}
.download_container {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 40px;
  width: 90%;
  max-width: 850px;
  margin: 0 auto;
}

.store_buttons {
  display: flex;
  gap: 40px;
}

.store_btn {
  display: block;
  transition: transform 0.2s ease;
}

.store_btn:hover {
  transform: translateY(-3px);
}

.store_btn img {
  height: 55px;
  width: auto;
  border-radius: 8px;
}

.qrcode_box {
  width: 100px;
  height: 100px;
  background-color: #222;
  border-radius: 10px;
  overflow: hidden;
  display: flex;
  justify-content: center;
  align-items: center;
  flex-shrink: 0;
}

.qrcode_box img {
  width: 86%;
  height: 86%;
  object-fit: cover;
}

@media screen and (max-width: 811px) {
  .download_container {
    flex-direction: column;
    gap: 15px;
  }

  .store_buttons {
    flex-direction: column;
    align-items: center;
    gap: 15px;
  }
}

/* --- APP 亮點特色 --- */
#app-features-section {
  padding: clamp(40px, 6vw, 80px) 0;
}

.features_card_container {
  display: flex;
  justify-content: center;
  align-items: stretch;
  gap: 30px;
  width: 90%;
  max-width: 1200px;
  margin: 0 auto;
}

.feature_card {
  background-color: var(--bg-white);
  border-radius: 20px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
  padding: clamp(30px, 4vw, 40px) clamp(20px, 3vw, 30px);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex: 1;
  overflow: hidden;
  border: 1px solid rgba(0, 0, 0, 0.03);
}

.card_content {
  flex: 1;
  text-align: left;
  padding-right: 20px;
  z-index: 2;
}

.card_tag {
  display: inline-block;
  background-color: #eef2f6;
  color: var(--text-dark);
  font-size: clamp(14px, 1.5vw, 15px);
  padding: 8px 18px;
  border-radius: 50px;
  margin-bottom: 20px;
  letter-spacing: 1px;
}

.card_tag .highlight {
  color: var(--color-accent);
}

.card_title {
  color: var(--color-primary);
  font-size: clamp(24px, 2.5vw, 28px);
  font-weight: bold;
  margin: 0 0 15px 0;
  width: 100%;
  padding: 0;
  text-align: left;
  letter-spacing: 1px;
}

.card_list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.card_list li {
  display: flex;
  align-items: flex-start;
  font-size: clamp(15px, 1.8vw, 16px);
  color: var(--text-dark);
  margin-bottom: 12px;
  line-height: 1.4;
  font-weight: bold;
}

.card_text {
  font-size: clamp(15px, 1.8vw, 16px);
  line-height: 1.6;
  color: var(--text-dark);
  margin: 0;
  text-align: justify;
}

.card_image {
  flex-shrink: 0;
  width: clamp(100px, 12vw, 160px);
  display: flex;
  justify-content: flex-end;
}

.card_image img {
  width: 100%;
  height: auto;
  object-fit: contain;
}

.card_list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.card_list li {
  display: flex;
  align-items: flex-start;
  font-size: clamp(15px, 1.8vw, 16px);
  color: var(--text-dark);
  margin-bottom: 12px;
  line-height: 1.4;
  font-weight: bold;
}

.card_list li i {
  color: var(--color-accent);
  font-size: 20px;
  margin-right: 5px;
  flex-shrink: 0;
  transform: translateY(1px);
}

@media screen and (max-width: 811px) {
  .features_card_container {
    flex-direction: column;
    max-width: 500px;
  }

  .feature_card {
    flex-direction: column;
    align-items: center;
    padding: clamp(25px, 6vw, 30px) clamp(20px, 5vw, 25px);
  }

  .card_image {
    width: 100%;
    max-width: none;
    display: flex;
    justify-content: center;
    margin: 0 0 15px 0;
    order: 1;
  }

  .card_image img {
    width: 100%;
    max-width: 90px;
    height: auto;
  }

  .card_content {
    width: 100%;
    padding-right: 0;
    margin-bottom: 0;
    order: 2;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
  }

  .card_title {
    text-align: center;
  }

  .card_text {
    text-align: center;
  }

  .card_list {
    width: 100%;
  }

  .card_list li {
    justify-content: center;
    text-align: center;
  }
}

/* --- 4大亮點功能 --- */
#highlight-features-section {
  padding: clamp(40px, 6vw, 80px) 0;
}

#highlight-features-section h2 {
  margin-bottom: clamp(30px, 5vw, 50px);
}

.features_grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: clamp(15px, 3vw, 25px);
  width: 90%;
  max-width: 1050px;
  margin: 0 auto;
}

.grid_item {
  background-color: var(--bg-white);
  border-radius: 15px;
  padding: clamp(20px, 3vw, 30px) clamp(15px, 2.5vw, 25px);
  display: flex;
  align-items: center;
  gap: clamp(15px, 2vw, 20px);
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.03);
  border: 1px solid rgba(0, 0, 0, 0.02);
  transition:
    transform 0.3s ease,
    box-shadow 0.3s ease;
}

.grid_item:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.06);
}

.grid_icon {
  flex-shrink: 0;
  width: clamp(65px, 8vw, 85px);
  height: clamp(65px, 8vw, 85px);
  display: flex;
  justify-content: center;
  align-items: center;
}

.grid_icon img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.grid_text {
  text-align: left;
}

.grid_title {
  color: var(--color-accent);
  font-size: clamp(18px, 2vw, 20px);
  font-weight: bold;
  margin-bottom: 6px;
  letter-spacing: 1px;
}

.grid_desc {
  color: var(--text-dark);
  font-size: clamp(14px, 1.5vw, 15px);
  line-height: 1.5;
  margin: 0;
}

@media screen and (max-width: 811px) {
  .features_grid {
    grid-template-columns: 1fr;
  }

  .grid_item {
    padding: 25px 20px;
  }
}

/* --- 人氣交易機制 --- */
#mechanism-section {
  padding: clamp(40px, 6vw, 80px) 0;
}

/* #mechanism-section h2 {
  margin-bottom: clamp(30px, 5vw, 50px);
}
*/
.mechanism_box {
  background: var(--bg-gradient);
  width: 90%;
  max-width: 900px;
  margin: 0 auto;
  border-radius: 20px;
  padding: clamp(40px, 5vw, 60px) clamp(20px, 4vw, 40px);
  display: flex;
  align-items: stretch;
  justify-content: space-between;
  box-shadow: 0 10px 30px rgba(228, 15, 72, 0.2);
}

.mechanism_item {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.icon_circle {
  width: clamp(100px, 12vw, 120px);
  height: clamp(100px, 12vw, 120px);
  background-color: var(--bg-white);
  border-radius: 50%;
  display: flex;
  justify-content: center;
  align-items: center;
  margin-bottom: 25px;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
}

.icon_circle img {
  width: 95%;
  height: auto;
  object-fit: contain;
}

.mechanism_text {
  color: var(--text-white);
  font-size: clamp(18px, 2vw, 20px);
  font-weight: bold;
  line-height: 1.6;
  letter-spacing: 1.5px;
}

.mechanism_divider {
  width: 1px;
  background-color: rgba(255, 255, 255, 0.4);
  margin: 0 clamp(20px, 4vw, 40px);
}

@media screen and (max-width: 811px) {
  .mechanism_box {
    width: 70%;
    flex-direction: column;
    padding: 40px 20px;
  }

  .mechanism_divider {
    width: 80%;
    height: 1px;
    margin: 35px auto;
  }
}

/* --- 側邊按鈕  --- */
.float_action_area {
  position: fixed;
  top: 50%;
  right: 15px;
  transform: translateY(-50%);
  z-index: 999;
  opacity: 0;
  visibility: hidden;
  transition:
    opacity 0.3s ease,
    visibility 0.3s ease;
}

.float_action_area.is-visible {
  opacity: 1;
  visibility: visible;
}

.float_btn_group {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.float_btn_group a {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  width: 65px;
  padding: 25px 0;
  color: var(--text-white);
  font-size: 15px;
  font-weight: bold;
  line-height: 1.3;
  letter-spacing: 2px;
  text-align: center;
  text-decoration: none;
  border-radius: 40px;
  box-shadow: 0 6px 15px rgba(0, 0, 0, 0.15);
  transition: all 0.3s ease;
}

.float_btn_group a i {
  margin-bottom: 6px;
  font-size: 20px;
  margin-right: -2px;
}
.float_btn_group a:hover {
  transform: translateX(-5px);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.2);
}

.btn_purchase {
  background: var(--bg-gradient);
}

.btn_open_account {
  background: var(--color-primary);
}

.btn_open_account:hover {
  background: #113c66;
}

@media screen and (max-width: 811px) {
  .float_action_area {
    top: auto;
    bottom: 0;
    right: 0;
    left: 0;
    width: 100%;
    box-sizing: border-box;
    transform: translateY(0);
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    box-shadow: 0 -5px 15px rgba(0, 0, 0, 0.05);

    padding: 12px 15px calc(12px + env(safe-area-inset-bottom));
  }

  .float_btn_group {
    flex-direction: row;
    gap: 15px;
    width: 100%;
    max-width: 500px;
    margin: 0 auto;
  }

  .float_btn_group a {
    flex: 1;
    flex-direction: row;
    padding: 12px 0;
    border-radius: 12px;
    font-size: 16px;
    box-shadow: none;
    justify-content: center;
    align-items: center;
  }

  .float_btn_group a span br {
    display: none;
  }

  .float_btn_group a i {
    margin-bottom: 0;
    margin-right: 8px;
    font-size: 18px;
  }

  .float_btn_group a:hover {
    transform: none;
  }
}

/* --- 常見問題 --- */
#faq-section {
  padding: clamp(40px, 6vw, 80px) 0;
}

#faq-section h2 {
  margin-bottom: clamp(30px, 5vw, 40px);
}

.faq_container {
  width: 90%;
  max-width: 850px;
  margin: 0 auto;
  text-align: left;
}

.faq_item {
  background-color: var(--bg-white);
  border-radius: 12px;
  margin-bottom: 15px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.03);
  border: 1px solid rgba(0, 0, 0, 0.03);
  overflow: hidden;
  transition: box-shadow 0.3s ease;
}

.faq_item:hover {
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.06);
}

.faq_question {
  padding: clamp(15px, 3vw, 25px) clamp(20px, 4vw, 30px);
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
  background-color: transparent;
  transition: background-color 0.3s ease;
}

.faq_question h3 {
  margin: 0;
  width: auto;
  padding: 0;
  text-align: left;
  font-size: clamp(16px, 2vw, 18px);
  color: var(--color-primary);
  line-height: 1.5;
  transition: color 0.3s ease;
}

.icon_toggle {
  color: var(--text-gray);
  font-size: 18px;
  flex-shrink: 0;
  margin-left: 15px;
  transition:
    transform 0.4s ease,
    color 0.3s ease;
}

.faq_item.active .faq_question h3 {
  color: var(--color-accent);
}

.faq_item.active .icon_toggle {
  transform: rotate(180deg);
  color: var(--color-accent);
}

.faq_answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease-in-out;
}

.faq_answer_inner {
  padding: 0 clamp(20px, 4vw, 30px) clamp(20px, 4vw, 30px)
    clamp(20px, 4vw, 30px);
  color: var(--text-dark);
  font-size: clamp(15px, 1.8vw, 16px);
  line-height: 1.6;
  text-align: justify;
  border-top: 1px dashed #e4edf5;
  margin-top: 10px;
  padding-top: 20px;
}

.faq_action_links {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
}

.faq_action_links a {
  color: var(--color-accent);
  font-weight: bold;
  text-decoration: none;
  font-size: 15px;
  transition: opacity 0.2s ease;
}

.faq_action_links a:hover {
  opacity: 0.7;
}

.faq_more {
  margin-top: clamp(30px, 5vw, 40px);
}

.faq_more a {
  display: inline-block;
  color: var(--color-primary);
  font-weight: bold;
  font-size: clamp(16px, 2vw, 18px);
  text-decoration: none;
  letter-spacing: 1px;
  transition: color 0.3s ease;
}

.faq_more a:hover {
  color: var(--color-accent);
}

/* --- APP 下載導流 --- */
#ezfunds-app-download {
  padding: 80px 20px;
  background-color: #fdfdfd; /* 給予淡淡的灰白底色區隔 */
}

.app_cta_card {
  max-width: 900px;
  margin: 0 auto;
  background: white;
  padding: 60px 40px;
  border-radius: 30px;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.08);
  text-align: center;
  border: 1px solid rgba(228, 15, 72, 0.1);
}

.cta_title {
  font-size: clamp(20px, 4vw, 28px);
  margin-bottom: 40px;
  font-weight: 900!important;
  line-height: 1.4;
  background: var(--bg-gradient);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  text-fill-color: transparent;
  display: inline-block;
  -webkit-font-smoothing: antialiased;
}

.d_pc_only {
  display: block;
}
.d_mobile_only {
  display: none;
}

.app_download_flex {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 40px;
  flex-wrap: wrap;
}

.cta_disclaimer {
  margin-top: 50px;
  color: #6c7a8f;
  font-size: 14px;
  line-height: 1.6;
  margin-left: auto;
  margin-right: auto;
  text-align: justify;
  font-weight: bold;
}

.cta_disclaimer_area{
  width: 90%;
  max-width: 1000px;
  margin: 0 auto;
  padding: 30px 0 0 0;
}

@media screen and (max-width: 811px) {
  #ezfunds-app-download {
    padding: 30px 0;
  }
  .app_cta_card {
    width: 80%;
    padding: 40px 10px;
    margin: 0 auto;
  }

  .d_pc_only {
    display: none;
  }
  .d_mobile_only {
    display: block;
  }

  .app_download_flex {
    flex-direction: column;
    gap: 30px;
  }

  .store_buttons {
    flex-direction: column;
    gap: 15px;
  }
}

/* --返回上方------------------------------------- */

.topBtn {
  position: fixed;
  z-index: 998;
  bottom: 30px;
  right: 25px;
  cursor: pointer;
  display: none;

  transition:
    transform 0.3s cubic-bezier(0.4, 0, 0.2, 1),
    opacity 0.3s ease;
}

.top_btn_inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  width: 50px;
  height: 50px;
  background-color: var(--bg-white);
  color: var(--color-primary);
  border-radius: 50%;
  box-sizing: border-box;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
  border: 1px solid rgba(0, 0, 0, 0.05);
  transition: all 0.3s ease;
}

.top_btn_inner i {
  font-size: 14px;
  margin-bottom: 2px;
  transition: transform 0.3s ease;
}

.top_btn_inner span {
  font-size: 10px;
  font-weight: bold;
  letter-spacing: 0.5px;
}

.topBtn:hover {
  transform: translateY(-5px);
}

.topBtn:hover .top_btn_inner {
  background: var(--bg-gradient);
  color: var(--text-white);
  border-color: transparent;
  box-shadow: 0 8px 20px rgba(228, 15, 72, 0.3);
}

.topBtn:hover i {
  transform: translateY(-2px);
}

@media screen and (max-width: 1199px) {
  .topBtn {
    right: 20px;
  }
}

@media screen and (max-width: 811px) {
  .topBtn {
    bottom: calc(85px + env(safe-area-inset-bottom));
    right: 15px;
  }

  .top_btn_inner {
    width: 42px;
    height: 42px;
    padding-top: 0;
  }

  .top_btn_inner span {
    display: none;
  }

  .top_btn_inner i {
    font-size: 18px;
    margin-bottom: 0;
  }

  .topBtn:hover {
    transform: none;
  }
}