* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 80px; }
:root {
  --primary: #0066CC; --primary-dark: #004C99; --primary-light: #E6F1FB;
  --text: #1A1A1A; --text-secondary: #5F5F5F; --text-tertiary: #8C8C8C;
  --bg: #FFFFFF; --bg-secondary: #F7F8FA;
  --border: rgba(0,0,0,0.08); --border-strong: rgba(0,0,0,0.15);
  --success-bg: #E8F5E9; --success-text: #2E7D32;
}
body { font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif; font-size: 14px; color: var(--text); line-height: 1.6; background: var(--bg-secondary); min-height: 100vh; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; }

/* 顶部导航 */
.header { background: rgba(255,255,255,0.95); backdrop-filter: blur(10px); position: sticky; top: 0; z-index: 100; border-bottom: 0.5px solid var(--border); }
.nav { max-width: 1200px; margin: 0 auto; padding: 10px 24px; display: flex; justify-content: space-between; align-items: center; min-height: 64px; }
.logo { display: flex; align-items: center; gap: 10px; font-size: 18px; font-weight: 600; color: var(--primary); line-height: 1; flex-shrink: 0; }
.logo-icon { width: 44px; height: 44px; display: flex; align-items: center; justify-content: center; flex-shrink: 0; font-size: 0; color: transparent; }
.logo-icon img { width: 100%; height: 100%; object-fit: contain; display: block; }
.logo-text { letter-spacing: 1px; white-space: nowrap; text-align: center; }
.logo-text-wrap { display: inline-flex; flex-direction: column; align-items: stretch; gap: 1px; line-height: 1.15; }
.logo-en { font-size: 12px; font-weight: 600; color: var(--primary); display: block; width: 100%; text-align: center; letter-spacing: 0.02em; white-space: nowrap; }
.nav-menu { display: flex; gap: 18px; align-items: center; }
.nav-menu a { font-size: 13px; color: var(--text); position: relative; display: inline-block; padding: 8px 0; white-space: nowrap; transition: color 0.2s; }
.nav-menu a:hover { color: var(--primary); }
.nav-menu a.active { color: var(--primary); font-weight: 600; }
.nav-menu a.active::after { content: ''; position: absolute; left: 0; right: 0; bottom: -10px; height: 2px; background: var(--primary); border-radius: 1px; }
.nav-cta { padding: 8px 16px; background: var(--primary); color: white; border-radius: 6px; font-size: 13px; border: none; cursor: pointer; text-decoration: none; display: inline-block; white-space: nowrap; }
.nav-cta:hover { background: var(--primary-dark); }
.nav-actions { display: flex; align-items: center; gap: 14px; flex-shrink: 0; }
.nav-login-btn { display: inline-flex; align-items: center; gap: 6px; border: none; background: transparent; color: var(--text); font-size: 13px; cursor: pointer; padding: 6px 0; white-space: nowrap; font-family: inherit; }
.nav-login-btn:hover { color: var(--primary); }
.nav-login-icon { width: 18px; height: 18px; display: block; }
.nav-login-user { display: inline-flex; align-items: center; gap: 8px; white-space: nowrap; }
.nav-login-avatar { width: 28px; height: 28px; border-radius: 50%; object-fit: cover; display: block; }
.nav-login-name { font-size: 13px; color: var(--text); max-width: 88px; overflow: hidden; text-overflow: ellipsis; }
.nav-login-logout { border: none; background: transparent; color: var(--text-secondary); font-size: 12px; cursor: pointer; padding: 0; font-family: inherit; }
.nav-login-logout:hover { color: var(--primary); }

/* 登录方式切换 */
.login-mode-tabs { display: flex; gap: 0; margin-bottom: 20px; border-bottom: 1px solid var(--border); }
.login-mode-tab {
  flex: 1; padding: 10px 0; font-size: 14px; font-weight: 500; color: var(--text-secondary);
  cursor: pointer; border: none; background: transparent; position: relative; transition: all 0.2s; font-family: inherit;
}
.login-mode-tab:hover { color: var(--primary); }
.login-mode-tab.active { color: var(--primary); font-weight: 600; }
.login-mode-tab.active::after { content: ''; position: absolute; left: 20%; right: 20%; bottom: -1px; height: 2px; background: var(--primary); border-radius: 1px; }
.login-mode-pane { display: none; }
.login-mode-pane.active { display: block; animation: fadeIn 0.3s; }
.sms-row { display: flex; gap: 10px; }
.sms-row .form-input { flex: 1; }
.sms-btn {
  flex-shrink: 0; min-width: 108px; height: 44px; padding: 0 12px;
  border: 1px solid var(--primary); border-radius: 8px; background: white; color: var(--primary);
  font-size: 13px; cursor: pointer; font-family: inherit; white-space: nowrap; transition: all 0.2s;
}
.sms-btn:hover:not(:disabled) { background: var(--primary-light); }
.sms-btn:disabled { opacity: 0.6; cursor: not-allowed; }
.captcha-row { display: flex; gap: 10px; align-items: center; }
.captcha-row .form-input { flex: 1; }
.captcha-img {
  flex-shrink: 0; width: 108px; height: 44px; border: 1px solid var(--border-strong);
  border-radius: 8px; cursor: pointer; object-fit: cover; background: var(--bg-secondary);
}

/* 页面主体 */
.page-header { background: linear-gradient(180deg, #E6F4FE 0%, #F7F8FA 100%); padding: 48px 24px 32px; text-align: center; }
.page-title { font-size: 32px; font-weight: 600; margin-bottom: 8px; color: var(--text); }
.page-subtitle { font-size: 15px; color: var(--text-secondary); }

.container { max-width: 1100px; margin: -16px auto 64px; padding: 0 24px; }

/* 双栏卡片布局 */
.order-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.order-card { background: white; border-radius: 16px; border: 1px solid var(--border); overflow: hidden; display: flex; flex-direction: column; }
.order-card-header {
  padding: 18px 28px; border-bottom: 1px solid var(--border);
  display: flex; align-items: center; gap: 10px;
  background: linear-gradient(180deg, #F2F8FE 0%, white 100%);
}
.order-card-icon { font-size: 22px; }
.order-card-title { font-size: 17px; font-weight: 600; color: var(--text); }
.order-card-body { padding: 36px 28px; flex: 1; display: flex; flex-direction: column; }

/* 手机下单 - 二维码 */
.qr-wrapper { display: flex; flex-direction: column; align-items: center; gap: 18px; flex: 1; justify-content: center; }
.qr-box { background: white; padding: 16px; border-radius: 12px; border: 1px solid var(--border); box-shadow: 0 4px 16px rgba(0,102,204,0.06); }
.qr-box img { width: 200px; height: 200px; display: block; }
.qr-tip { font-size: 14px; color: var(--text-secondary); text-align: center; max-width: 320px; }
.qr-features { display: flex; gap: 18px; margin-top: 8px; flex-wrap: wrap; justify-content: center; }
.qr-feature { display: flex; align-items: center; gap: 6px; font-size: 12px; color: var(--text-secondary); }
.qr-feature::before { content: ''; display: inline-block; width: 18px; height: 18px; background: url('img/tick-symbol.png') center/contain no-repeat; margin-right: 6px; vertical-align: middle; color: var(--success-text); font-weight: 600; }

/* PC 下单 - 子 Tab */
.pc-subtabs { display: flex; justify-content: center; gap: 0; margin-bottom: 24px; }
.pc-subtab {
  padding: 10px 28px; font-size: 15px; font-weight: 500; color: var(--text-secondary);
  cursor: pointer; border: none; background: transparent; position: relative; transition: all 0.2s;
}
.pc-subtab:first-child { border-right: 1px solid var(--border); }
.pc-subtab:hover { color: var(--primary); }
.pc-subtab.active { color: var(--primary); font-weight: 600; }
.pc-subtab.active::after { content: ''; position: absolute; left: 25%; right: 25%; bottom: -8px; height: 2px; background: var(--primary); border-radius: 2px; }

.pc-form-wrapper { width: 100%; }
.pc-form-pane { display: none; }
.pc-form-pane.active { display: block; animation: fadeIn 0.3s; }
@keyframes fadeIn { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: translateY(0); } }

.form-group { margin-bottom: 18px; }
.form-label { display: block; font-size: 13px; color: var(--text-secondary); margin-bottom: 8px; }
.form-label .required { color: #E63946; margin-left: 2px; }
.form-input, .form-select {
  width: 100%; height: 44px; padding: 0 14px; border: 1px solid var(--border-strong);
  border-radius: 8px; font-size: 14px; background: white; font-family: inherit;
  transition: border-color 0.2s;
}
.form-input:focus { outline: none; border-color: var(--primary); }
.custom-select { position: relative; }
.custom-select.open { z-index: 30; }
.custom-select-trigger {
  width: 100%; min-height: 44px; height: auto; padding: 6px 36px 6px 10px; border: 1px solid var(--border-strong);
  border-radius: 8px; font-size: 14px; background: white; font-family: inherit; cursor: pointer;
  display: flex; align-items: flex-start; text-align: left; transition: border-color 0.2s, box-shadow 0.2s; position: relative;
}
.custom-select-value {
  flex: 1; display: flex; flex-wrap: wrap; gap: 6px; align-items: center; min-height: 30px; padding-top: 1px;
}
.custom-select-placeholder {
  display: none; font-size: 14px; color: var(--text-tertiary); line-height: 30px; padding-left: 4px;
}
.custom-select-placeholder.show { display: block; }
.country-selected-tags { display: flex; flex-wrap: wrap; gap: 6px; }
.country-selected-tag {
  display: inline-flex; align-items: center; gap: 4px; padding: 2px 6px 2px 8px;
  font-size: 12px; color: var(--primary); background: var(--primary-light); border-radius: 4px; max-width: 100%;
}
.country-tag-remove {
  border: none; background: transparent; color: var(--text-secondary); cursor: pointer;
  padding: 0 2px; font-size: 14px; line-height: 1;
}
.country-tag-remove:hover { color: #E63946; }
.custom-select-trigger:hover { border-color: rgba(0, 102, 204, 0.35); }
.custom-select.open .custom-select-trigger,
.custom-select-trigger:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px rgba(0, 102, 204, 0.12); }
.custom-select-text { flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; color: var(--text); }
.custom-select-text.placeholder { color: var(--text-tertiary); }
.custom-select-arrow {
  position: absolute; right: 14px; top: 50%; transform: translateY(-50%);
  font-size: 12px; color: var(--text-tertiary); transition: transform 0.2s; pointer-events: none;
}
.custom-select.open .custom-select-arrow { transform: translateY(-50%) rotate(180deg); color: var(--primary); }
.custom-select-panel {
  position: absolute; top: calc(100% + 6px); left: 0; right: 0; background: white;
  border: 1px solid var(--border-strong); border-radius: 8px; box-shadow: 0 12px 32px rgba(0, 0, 0, 0.14);
  display: none; flex-direction: column; overflow: hidden; z-index: 40;
}
.custom-select-panel.is-fixed { position: fixed; right: auto; z-index: 1200; }
.custom-select.open .custom-select-panel { display: flex; }
.custom-select-list { overflow-y: auto; max-height: 240px; }
.country-option {
  padding: 10px 14px; font-size: 14px; color: var(--text); cursor: pointer; transition: background 0.15s, color 0.15s;
}
.country-option:hover { background: var(--primary-light); color: var(--primary); }
.country-option.active { background: var(--primary-light); color: var(--primary); font-weight: 500; }
.country-option.active::after { content: ''; display: inline-block; width: 18px; height: 18px; background: url('img/tick-symbol.png') center/contain no-repeat; margin-right: 6px; vertical-align: middle; float: right; font-weight: 700; }
.custom-select-search { padding: 10px; border-bottom: 1px solid var(--border); }
.custom-select-search input {
  width: 100%; height: 36px; padding: 0 12px 0 34px; border: 1px solid var(--border-strong);
  border-radius: 6px; font-size: 13px; font-family: inherit; background: var(--bg-secondary)
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='%238C8C8C' stroke-width='2'%3E%3Ccircle cx='11' cy='11' r='7'/%3E%3Cpath d='m20 20-3.5-3.5'/%3E%3C/svg%3E") no-repeat 10px center;
}
.custom-select-search input:focus { outline: none; border-color: var(--primary); background-color: white; }
.custom-select-hot { display: flex; flex-wrap: wrap; gap: 6px; padding: 8px 10px; border-bottom: 1px solid var(--border); }
.country-hot-tag {
  padding: 4px 10px; font-size: 12px; color: var(--text-secondary); background: var(--bg-secondary);
  border-radius: 4px; cursor: pointer; border: 1px solid transparent; transition: all 0.15s;
}
.country-hot-tag:hover { color: var(--primary); background: var(--primary-light); }
.country-hot-tag.active { color: var(--primary); background: var(--primary-light); border-color: rgba(0, 102, 204, 0.2); font-weight: 500; }
.country-group-title {
  padding: 6px 12px; font-size: 12px; color: var(--text-tertiary); background: var(--bg-secondary);
  position: sticky; top: 0; z-index: 1;
}
.country-empty { padding: 24px 12px; text-align: center; font-size: 13px; color: var(--text-tertiary); }

/* 表单校验提示（与 index.html 一致） */
.form-group.is-error .form-input,
.form-group.is-error .custom-select-trigger {
  border-color: #E63946;
  box-shadow: 0 0 0 3px rgba(230, 57, 70, 0.12);
}
.field-error-tip {
  display: none;
  font-size: 12px;
  color: #E63946;
  line-height: 1.4;
  margin-top: 4px;
}
.field-error-tip.show { display: block; }

.form-submit { width: 100%; height: 46px; background: var(--primary); color: white; border: none; border-radius: 8px; font-size: 15px; font-weight: 600; margin-top: 8px; cursor: pointer; transition: background 0.2s; }
.form-submit:hover { background: var(--primary-dark); }
.form-footer { text-align: center; margin-top: 18px; font-size: 13px; color: var(--text-tertiary); }
.form-footer a { color: var(--primary); cursor: pointer; }
.form-success {
  background: var(--success-bg); color: var(--success-text); padding: 40px 24px;
  border-radius: 8px; font-size: 13px; line-height: 1.6; display: none; margin-bottom: 16px;
  flex-direction: column; align-items: center; text-align: center;
}
.form-success.show { display: flex; gap: 16px; }
.form-success-body { display: flex; gap: 10px; align-items: flex-start; text-align: left; max-width: 320px; }
.form-success-icon { font-size: 20px; line-height: 1.4; flex-shrink: 0; }
.form-success-title { font-size: 16px; font-weight: 600; color: var(--success-text); margin-bottom: 4px; }
.form-success-desc { font-size: 13px; line-height: 1.6; color: var(--success-text); }
.form-success-back {
  min-width: 120px; height: 40px; padding: 0 24px; margin-top: 8px;
  border: 1px solid var(--primary); border-radius: 8px; background: white;
  color: var(--primary); font-size: 14px; font-family: inherit; cursor: pointer; transition: all 0.2s;
}
.form-success-back:hover { background: var(--primary-light); }
.form-error {
  display: none;
  background: #FEF5F6;
  color: #C41E3A;
  padding: 12px 14px;
  border-radius: 8px;
  font-size: 13px;
  line-height: 1.6;
  margin-bottom: 12px;
  border: 1px solid #F5B5BB;
}
.form-error.show { display: block; }

/* 浮动客服 */
.floating-contact { position: fixed; right: 24px; bottom: 80px; display: flex; flex-direction: column; gap: 10px; z-index: 99; }
.float-btn { width: 56px; height: 56px; background: white; border-radius: 50%; display: flex; flex-direction: column; align-items: center; justify-content: center; box-shadow: 0 4px 16px rgba(0,0,0,0.12); cursor: pointer; border: 1px solid var(--border); transition: all 0.2s; }
.float-btn:hover { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(0,0,0,0.16); }
.float-btn-icon { font-size: 20px; }
.float-btn-label { font-size: 10px; color: var(--text-secondary); margin-top: 2px; }
.float-btn.primary { background: var(--primary); color: white; }
.float-btn.primary .float-btn-label { color: white; }

@media (max-width: 768px) {
  .nav-menu { display: none; }
  .page-header { padding: 32px 16px 24px; }
  .page-title { font-size: 24px; }
  .container { padding: 0 16px; margin-top: -12px; }
  .order-grid { grid-template-columns: 1fr; gap: 16px; }
  .order-card-body { padding: 28px 20px; }
  .qr-box img { width: 180px; height: 180px; }
  .pc-subtab { padding: 10px 24px; font-size: 14px; }
  .floating-contact { right: 12px; bottom: 60px; }
  .float-btn { width: 48px; height: 48px; }
  .nav-actions { gap: 8px; }
  .nav-cta { padding: 8px 12px; font-size: 12px; }
  .nav-login-btn span, .nav-login-name, .nav-login-logout { display: none; }
}