/* ===== 验证页专用 CSS（仅在验证页加载，不影响后台）===== */

/* Bootstrap 全局 reset 覆盖 */
* {
  margin: 0; padding: 0; box-sizing: border-box;
  font-family: 'Exo', sans-serif;
}

/* 覆盖 Bootstrap 的 --primary 变量（Bootstrap 把它设为 #007bff 浅蓝） */
:root {
  --primary:      #4e54c8 !important;
  --primary-dark: #3a40b0 !important;
  --navy:         #012581 !important;
  --navy-dark:    #1a2a6c !important;
  --gold:         #ffcc00 !important;
}

/* 纯色背景 #4e54c8（Cowork HTML 原始用 -webkit-linear-gradient(to left,...) 是无效语法，
   浏览器回退到 fallback 纯色 #4e54c8，所以右边 Cowork 页面是深蓝纯色。
   我们直接用纯色，避免渐变导致偏浅。） */
body {
  background: #4e54c8 !important;
  overflow-x: hidden;
}

/* ===== BACKGROUND ANIMATION ===== */
/* .area 只负责承载 circles 动画，自身无背景色 */
.area {
  width: 100%; height: 100vh;
  position: fixed; top: 0; left: 0;
  z-index: 0; pointer-events: none; overflow: hidden;
}
.circles {
  position: absolute; top: 0; left: 0;
  width: 100%; height: 100%; overflow: hidden;
  list-style: none; padding: 0; margin: 0;
}
.circles li {
  position: absolute; display: block;
  width: 20px; height: 20px;
  background: rgba(255,255,255,0.2);
  animation: animate 25s linear infinite;
  bottom: -150px;
}
.circles li:nth-child(1)  { left: 25%; width: 80px;  height: 80px;  animation-delay: 0s; }
.circles li:nth-child(2)  { left: 10%; width: 20px;  height: 20px;  animation-delay: 2s;  animation-duration: 12s; }
.circles li:nth-child(3)  { left: 70%; width: 20px;  height: 20px;  animation-delay: 4s; }
.circles li:nth-child(4)  { left: 40%; width: 60px;  height: 60px;  animation-delay: 0s;  animation-duration: 18s; }
.circles li:nth-child(5)  { left: 65%; width: 20px;  height: 20px;  animation-delay: 0s; }
.circles li:nth-child(6)  { left: 75%; width: 110px; height: 110px; animation-delay: 3s; }
.circles li:nth-child(7)  { left: 35%; width: 150px; height: 150px; animation-delay: 7s; }
.circles li:nth-child(8)  { left: 50%; width: 25px;  height: 25px;  animation-delay: 15s; animation-duration: 45s; }
.circles li:nth-child(9)  { left: 20%; width: 15px;  height: 15px;  animation-delay: 2s;  animation-duration: 35s; }
.circles li:nth-child(10) { left: 85%; width: 150px; height: 150px; animation-delay: 0s;  animation-duration: 11s; }
@keyframes animate {
  0%   { transform: translateY(0) rotate(0deg);       opacity: 1; border-radius: 0; }
  100% { transform: translateY(-1000px) rotate(720deg); opacity: 0; border-radius: 50%; }
}

/* 所有页面内容需 position:relative + z-index:1，确保浮在 .area（z-index:0）之上 */
.sticky-header, .hero-section, .main-content,
.instructions-container, .verify-section,
.verification-warning, .footer, .scroll-top-btn {
  position: relative;
  z-index: 1;
}

/* ===== STICKY HEADER ===== */
.sticky-header {
  position: sticky; top: 0; z-index: 1000;
  background: rgba(255,255,255,0.98);
  backdrop-filter: blur(10px);
  box-shadow: 0 2px 15px rgba(0,0,0,0.1);
  transition: all 0.3s ease;
}
.header-container {
  display: flex; justify-content: space-between; align-items: center;
  max-width: 1200px; margin: 0 auto; padding: 12px 30px;
}
.logo-container img { height: 60px; width: auto; transition: all 0.3s ease; }
.logo-container img:hover { transform: scale(1.05); }
.website-link {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 10px 20px; background: #012581; border-radius: 50px;
  color: #fff !important; font-weight: 600; transition: all 0.3s ease;
  text-decoration: none !important; border: 1px solid rgba(78,84,200,0.2);
  white-space: nowrap;
}
.website-link:hover {
  background: #fff; color: #012581 !important;
  transform: translateY(-2px);
  box-shadow: 0 5px 15px rgba(78,84,200,0.1);
}

/* ===== HERO ===== */
.hero-section {
  text-align: center; padding: 80px 20px 40px;
  color: white; text-shadow: 0 2px 4px rgba(0,0,0,0.3);
}
.hero-section h1 { font-size: 2.5rem; margin-bottom: 20px; font-weight: 700; color: #fff; }
.hero-section p  { font-size: 1.2rem; max-width: 700px; margin: 0 auto; color: #fff; }

/* ===== MAIN CONTENT ===== */
.main-content {
  position: relative; z-index: 1;
  display: flex; flex-direction: column;
  justify-content: center; align-items: center; padding: 20px;
}

/* ===== FORM CARD ===== */
.form-container {
  background: rgba(255,255,255,0.95); border-radius: 16px;
  width: 90%; max-width: 1120px;
  box-shadow: 0 10px 30px rgba(0,0,0,0.1);
  backdrop-filter: blur(5px); overflow: hidden;
  transform: translateY(0); transition: all 0.3s ease;
  margin: 70px auto;
}
.form-container:hover {
  transform: translateY(-5px);
  box-shadow: 0 15px 35px rgba(0,0,0,0.15);
}
.form-flex-wrapper { display: flex; min-height: 400px; flex-wrap: wrap; }
.form-logo-section {
  flex: 1; display: flex; flex-direction: column;
  justify-content: center; align-items: center;
  border-right: 1px solid #2a35903d;
  padding: 30px; color: #2a3590; text-align: center;
}
.form-logo-section img { max-width: 200px; margin-bottom: 20px; }
.form-content-section {
  flex: 1.5; display: flex; flex-direction: column;
  justify-content: center; padding: 40px;
}

/* ===== VERIFY FORM ===== */
.validate-form { display: flex; flex-wrap: wrap; gap: 15px; align-items: center; }
.wrap-input100 { width: 70%; }
.input100 {
  width: 100%; padding: 20px;
  border: 2px solid #e0e0e0; border-radius: 10px;
  font-size: 18px; color: #333; outline: none; transition: all 0.3s;
  background: rgba(255,255,255,0.9);
}
.input100:focus { border-color: #4e54c8; box-shadow: 0 0 15px rgba(78,84,200,0.15); }
.input100.error { border-color: #e74c3c; }
.input100::placeholder { color: #999; font-size: 16px; }
.button-container { flex: 1; max-width: 160px; }
.verify-btn {
  width: 100%; padding: 18px 30px;
  background: #4e54c8; color: #fff;
  border: none; border-radius: 10px;
  font-size: 16px; font-weight: 600;
  cursor: pointer; transition: all 0.3s ease; letter-spacing: 0.5px;
}
.verify-btn:hover { background: #3a40b0; transform: translateY(-2px); box-shadow: 0 5px 15px rgba(78,84,200,0.3); }
.verify-btn:disabled { opacity: 0.7; cursor: not-allowed; transform: none; box-shadow: none; }
.info-text {
  margin-top: 15px; color: #666; font-size: 0.9rem;
  display: flex; align-items: center; gap: 8px;
}
.info-text i { color: #4e54c8; }
.error-msg { color: #e74c3c; font-size: 13px; margin-top: 10px; }
.result-area { margin-top: 20px; animation: fadeIn 0.5s ease-in-out; }
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(-10px); }
  to   { opacity: 1; transform: translateY(0); }
}
.result-success {
  background: #e8f5e9; border-left: 4px solid #4caf50;
  padding: 20px; border-radius: 8px;
}
.result-success h3 { color: #2e7d32; margin-bottom: 8px; font-size: 18px; }
.result-success p  { color: #333; font-size: 14px; margin: 4px 0; }
.result-fail {
  background: #fbe9e7; border-left: 4px solid #e74c3c;
  padding: 20px; border-radius: 8px;
}
.result-fail h3 { color: #c62828; margin-bottom: 8px; font-size: 18px; }
.result-fail p  { color: #333; font-size: 14px; margin: 4px 0; }

/* ===== MULTILINGUAL INSTRUCTION CARDS ===== */
.instructions-container {
  display: flex; justify-content: center; align-items: center;
  flex-wrap: wrap; max-width: 1200px; margin: 40px auto; padding: 0 20px;
}
.instructions-container h1 {
  width: 100%; text-align: center; color: #fff;
  margin-bottom: 30px; font-size: 2rem;
  text-shadow: 0 2px 4px rgba(0,0,0,0.3);
}
.instruction-card {
  position: relative; min-width: 300px; height: 400px;
  box-shadow: inset 5px 5px 5px rgba(0,0,0,0.2),
              inset -5px -5px 15px rgba(255,255,255,0.1),
              5px 5px 15px rgba(0,0,0,0.3),
              -5px -5px 15px rgba(255,255,255,0.1);
  border-radius: 15px; margin: 20px; transition: 0.5s;
  flex: 1 1 300px; max-width: 350px;
  background: #3a40b0;
  border: 1px solid rgba(255,255,255,0.1);
}
.instruction-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 15px 35px rgba(0,0,0,0.5);
}
.instruction-card .box {
  position: absolute; inset: 20px; border-radius: 15px;
  display: flex; justify-content: center; align-items: center;
  overflow: hidden; transition: 0.5s;
}
.instruction-card .box::before {
  content: ""; position: absolute; top: 0; left: 0;
  width: 50%; height: 100%;
  background: rgba(255,255,255,0.03); z-index: -1;
}
.instruction-card .box .content { padding: 20px; }
.instruction-card .box .content h2 {
  position: absolute; top: -10px; right: 30px;
  font-size: 6rem; color: rgba(255,255,255,0.1); margin: 0;
}
.instruction-card .box .content h3 {
  font-size: 1.5rem; color: #fff; z-index: 1;
  transition: 0.5s; margin-bottom: 15px;
}
.instruction-card .box .content .des {
  font-size: 1rem; font-weight: 300;
  color: rgba(255,255,255,0.9); z-index: 1;
  transition: 0.5s; line-height: 1.6;
}
.instruction-card .box .content .des span { font-weight: bold; }
.instruction-card .box .content .des a { color: #fff !important; text-decoration: underline !important; }

/* ===== FAQ / HOW TO VERIFY ===== */
.verify-section { padding: 30px 20px; position: relative; z-index: 1; }
.section-title {
  text-align: center; color: #fff; font-size: 2.2rem;
  margin-bottom: 50px; position: relative;
}
.section-title::after {
  content: ''; display: block; width: 80px; height: 4px;
  background: #4e54c8; margin: 15px auto 0;
}
.verify-block {
  margin-bottom: 40px; background: white; border-radius: 10px;
  padding: 30px; box-shadow: 0 5px 15px rgba(0,0,0,0.05);
  width: 1150px; max-width: 100%;
}
.verify-question {
  color: #4e54c8; font-size: 1.5rem; margin-bottom: 20px;
  display: flex; align-items: center;
}
.verify-question::before {
  content: '?'; display: inline-flex; align-items: center; justify-content: center;
  width: 30px; height: 30px; background: #4e54c8; color: white;
  border-radius: 50%; margin-right: 15px; font-size: 1.2rem; font-weight: bold;
  flex-shrink: 0;
}
.verify-answer { padding-left: 45px; }
.verify-answer p  { font-size: 1.1rem; line-height: 1.6; color: #555; margin-bottom: 15px; }
.verify-answer ul { margin: 20px 0; padding-left: 20px; }
.verify-answer ul li { margin-bottom: 10px; color: #555; }
.full-width-img {
  width: 100%; height: auto; border-radius: 8px;
  margin: 20px 0; box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}
.ziska-link {
  display: inline-flex; align-items: center;
  padding: 12px 25px; background: #4e54c8; color: white !important;
  border-radius: 50px; font-weight: 600; margin-top: 15px;
  transition: 0.3s; text-decoration: none !important;
}
.ziska-link:hover {
  background: #3a40b0; transform: translateY(-2px);
  box-shadow: 0 5px 15px rgba(78,84,200,0.3); color: white !important;
}
.ziska-link i { margin-right: 10px; }

/* ===== WARNING ===== */
.verification-warning { width: 100%; max-width: 1160px; margin: 40px auto; padding: 0 20px; }
.warning-container {
  background: #3a40b0; border-left: 5px solid #fff;
  border-radius: 8px; padding: 25px; color: white;
  box-shadow: 0 10px 30px rgb(78 78 78 / 20%);
  position: relative; overflow: hidden; transition: all 0.3s ease;
}
.warning-header { display: flex; align-items: center; margin-bottom: 15px; position: relative; z-index: 1; }
.warning-header h2 { color: #fff; font-size: 1.5rem; font-weight: 700; margin: 0; }
.warning-content { color: #fff; position: relative; z-index: 1; }
.warning-content p { margin-bottom: 15px; font-size: 1rem; line-height: 1.8; color: #fff; }
.official-url {
  display: inline-block; padding: 10px 25px;
  background: rgba(255,255,255,0.15); border-radius: 50px;
  color: #fff; margin: 10px 0 20px; font-weight: 600;
  transition: all 0.3s ease;
}
.warning-tip {
  background: rgba(0,0,0,0.2); border-left: 3px solid #fff;
  padding: 15px; border-radius: 0 5px 5px 0; margin: 20px 0;
}
.warning-tip p { margin: 0; font-size: 0.95rem; color: rgba(255,255,255,0.85); }
.warning-tip a { color: #8f94fb !important; font-weight: 600; }
.warning-motto {
  text-align: center; font-style: italic;
  color: rgba(255,255,255,0.9); font-size: 1.1rem;
  border-top: 1px dashed rgba(255,255,255,0.3);
  padding-top: 20px; margin-top: 20px;
}
.warning-triangle {
  position: absolute; right: 20px; top: 50%;
  transform: translateY(-50%); font-size: 150px; opacity: 0.1;
  color: #fff; z-index: 0;
}

/* ===== FOOTER ===== */
.footer { background: linear-gradient(to right, #1a2a6c, #2a3590); padding: 60px 0 0; color: #fff; }
.single_footer h4 {
  color: #fff; margin-top: 0; margin-bottom: 25px; font-weight: 700;
  font-size: 20px; letter-spacing: 2px; position: relative; padding-bottom: 15px;
}
.single_footer h4::after {
  content: ''; position: absolute; left: 0; bottom: 0;
  width: 50px; height: 2px; background: #ffcc00;
}
.single_footer ul { list-style: none; padding: 0; margin: 0; }
.single_footer ul li { margin-bottom: 12px; }
.single_footer ul li a {
  color: rgba(255,255,255,0.7) !important; font-size: 15px;
  transition: all 0.3s ease; text-decoration: none !important;
}
.single_footer ul li a:hover { color: #ffcc00 !important; padding-left: 5px; }
.subscribe { display: flex; margin-bottom: 15px; }
.subscribe__input {
  flex: 1; padding: 15px 20px; font-size: 15px; border: none;
  border-radius: 5px 0 0 5px; background: rgba(255,255,255,0.9);
  color: #333;
}
.subscribe__input::placeholder { color: #666; }
.subscribe__btn {
  background: #ffcc00; color: #1a2a6c; border: none;
  border-radius: 0 5px 5px 0; padding: 0 20px; cursor: pointer; transition: all 0.3s ease;
}
.subscribe__btn:hover { background: #fff; }
.social_profile { margin-top: 30px; }
.social_profile ul { display: flex; gap: 10px; list-style: none; padding: 0; margin-top: 15px; }
.social_profile ul li a {
  display: flex; align-items: center; justify-content: center;
  width: 40px; height: 40px; border-radius: 50%;
  background: rgba(255,255,255,0.1); color: white !important;
  transition: all 0.3s ease; text-decoration: none !important;
}
.social_profile ul li a:hover { background: #ffcc00; color: #1a2a6c !important; transform: translateY(-3px); }
.copyright {
  margin-top: 40px; padding: 20px 0;
  border-top: 1px solid rgba(255,255,255,0.1); text-align: center;
}
.copyright p { color: rgba(255,255,255,0.5); font-size: 14px; margin: 0; }

/* ===== SCROLL TO TOP ===== */
.scroll-top-btn {
  position: fixed; bottom: 30px; right: 30px;
  width: 45px; height: 45px; border-radius: 50%;
  background: #4e54c8; color: #fff;
  font-size: 20px; cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 5px 15px rgba(78,84,200,0.3);
  transition: all 0.3s ease; z-index: 200; text-decoration: none !important;
}
.scroll-top-btn:hover { background: #3a40b0; transform: translateY(-3px); }

/* ===== RESPONSIVE ===== */
@media (max-width: 992px) {
  .form-flex-wrapper { flex-direction: column; }
  .wrap-input100 { width: 100% !important; }
  .validate-form { flex-direction: column; gap: 20px; }
  .input100 { padding: 18px 15px; font-size: 16px; }
  .form-logo-section { border-right: none; border-bottom: 1px solid #2a35903d; padding: 30px 20px; }
  .form-content-section { padding: 20px; }
  .button-container { width: 100%; max-width: 100%; }
}
@media (max-width: 768px) {
  .header-container { padding: 10px 15px; }
  .logo-container img { height: 50px; }
  .website-link span { display: none; }
  .website-link { padding: 10px 15px; }
  .hero-section { padding: 30px 20px; }
  .hero-section h1 { font-size: 2rem; }
  .hero-section p  { font-size: 1rem; }
  .form-container { margin: 40px auto; width: 95%; }
  .instruction-card { min-width: unset; max-width: 100%; height: 350px; margin: 10px; flex: 1 1 100%; }
  .verify-block { padding: 20px; }
  .verification-warning { padding: 0; }
  .warning-container { padding: 20px; }
  .warning-triangle { display: none; }
  .footer { padding: 40px 0 0; }
}