/* 英文注册原型：沿用会议页色彩与字体，独立维护表单布局。 */
.registration-journey { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; margin: 0 0 28px; padding: 0; list-style: none; }
.registration-journey li { display: flex; align-items: center; gap: 14px; border-top: 1px solid var(--line-strong); padding-top: 18px; }
.registration-journey b { color: var(--cyan); font: 15px var(--mono); }
.registration-journey strong { display: block; color: var(--white); font-size: 16px; }
.registration-journey span { color: var(--muted); font-size: 14px; }
html[lang="en"] .registration-grid { grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr); align-items: start; }
html[lang="en"] .ticket-list { flex: none; grid-template-rows: auto; }
html[lang="en"] .ticket-card { padding: 24px; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
html[lang="en"] .ticket-name, html[lang="en"] .ticket-benefit { grid-column: 1 / -1; }
html[lang="en"] .ticket-price span { white-space: normal; }
.registration-form-card { min-width: 0; padding: clamp(24px, 3vw, 42px); border: 1px solid rgba(123, 216, 255, .4); background: linear-gradient(145deg, rgba(10, 42, 75, .92), rgba(4, 20, 41, .96)); border-radius: 22px; scroll-margin-top: 110px; }
.registration-eyebrow { margin: 0 0 6px; color: var(--cyan); font: 12px var(--mono); letter-spacing: .1em; text-transform: uppercase; }
.registration-form-card h3 { margin: 0 0 8px; color: var(--white); font-size: clamp(26px, 3vw, 34px); line-height: 1.25; letter-spacing: -.025em; }
.registration-form-card .registration-lead { margin: 0 0 22px; color: var(--ice); font-size: 15px; }
.registration-preview-notice { border-left: 2px solid var(--amber); padding: 12px 16px; margin-bottom: 26px; background: rgba(255, 201, 130, .055); color: var(--ice); font-size: 13px; line-height: 1.7; }
.registration-preview-notice strong { color: var(--amber); margin-right: 6px; font-family: var(--mono); font-size: 11px; letter-spacing: .06em; }
.registration-preview-notice a { color: var(--cyan); text-decoration: underline; text-underline-offset: 3px; }
.registration-field-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px 16px; }
.registration-requirements { margin: 0 0 20px; color: var(--ice); font-size: 13px; }
.registration-field { display: flex; flex-direction: column; min-width: 0; }
.registration-field.wide { grid-column: 1 / -1; }
.registration-field label { color: var(--ice); font-size: 14px; font-weight: 600; margin-bottom: 7px; }
.registration-optional { font-size: 12px; font-weight: 400; color: var(--muted); }
.registration-field input, .registration-field select, .registration-field textarea { width: 100%; min-width: 0; border: 1px solid rgba(141, 169, 191, .38); border-radius: 8px; color: var(--white); background: #06172c; padding: 12px 13px; font: 16px/1.5 var(--body); color-scheme: dark; transition: border-color .15s, box-shadow .15s; }
.registration-field textarea { min-height: 92px; resize: vertical; }
.registration-field input:hover, .registration-field select:hover, .registration-field textarea:hover { border-color: var(--muted); }
.registration-field input:focus, .registration-field select:focus, .registration-field textarea:focus { outline: 2px solid var(--cyan); outline-offset: 2px; }
.registration-field [aria-invalid="true"] { border-color: var(--danger); }
.registration-hint { color: var(--muted); font-size: 12px; line-height: 1.5; margin-top: 6px; }
.registration-field-error { color: var(--danger); font-size: 12px; line-height: 1.5; margin-top: 6px; }
.registration-field-error:empty { display: none; }
.registration-consent { display: flex; gap: 12px; align-items: start; font-size: 13px; line-height: 1.75; margin-top: 22px; color: var(--ice); }
.registration-consent input { accent-color: var(--cyan); width: 18px; height: 18px; margin: 4px 0 0; flex: 0 0 auto; }
.registration-honeypot { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); }
.registration-submit { width: 100%; margin-top: 24px; white-space: normal; }
.registration-submit:disabled { opacity: .55; cursor: wait; transform: none; }
.registration-payment-note { margin: 12px 0 0; text-align: center; color: var(--muted); font-size: 12px; }
.registration-feedback { margin-top: 20px; padding: 16px 18px; border: 1px solid var(--line-strong); border-radius: 10px; color: var(--ice); background: rgba(123, 216, 255, .05); font-size: 14px; line-height: 1.8; overflow-wrap: anywhere; }
.registration-feedback[hidden] { display: none; }
.registration-feedback[data-kind="error"] { border-color: var(--danger); }
.registration-feedback[data-kind="success"] { border-color: #80dbbc; }
.registration-feedback[data-kind="pending"] { border-color: var(--amber); }
.registration-feedback h4 { margin: 0 0 6px; color: var(--white); font-size: 20px; }
.registration-feedback p { margin: 0; }
.registration-feedback a { color: var(--cyan); text-decoration: underline; }
.registration-result-dialog { --result-accent: var(--cyan); width: min(calc(100% - 32px), 520px); max-height: calc(100dvh - 32px); margin: auto; padding: 36px 28px 28px; overflow-y: auto; overflow-wrap: anywhere; text-align: center; border-color: var(--result-accent); }
.registration-result-dialog[data-kind="success"] { --result-accent: #80dbbc; }
.registration-result-dialog[data-kind="pending"] { --result-accent: var(--amber); }
.registration-result-close { position: absolute; top: 12px; right: 12px; width: 44px; height: 44px; padding: 0; border: 1px solid var(--line); border-radius: 50%; background: transparent; color: var(--ice); cursor: pointer; font: 26px/1 var(--body); }
.registration-result-icon { display: grid; place-items: center; width: 72px; height: 72px; margin: 4px auto 22px; border: 1px solid var(--result-accent); border-radius: 50%; background: rgba(123, 216, 255, .06); color: var(--result-accent); font: 40px/1 var(--body); }
.registration-result-dialog h2 { margin: 0 0 18px; color: var(--white); font: 600 clamp(24px, 5vw, 30px)/1.25 var(--body); letter-spacing: -.025em; }
.registration-result-reference { margin: 0 0 20px; padding: 12px; border-radius: 8px; background: rgba(123, 216, 255, .07); color: var(--result-accent); font: 13px/1.7 var(--mono); }
.registration-result-message { margin: 0; color: var(--ice); font-size: 16px; line-height: 1.75; }
.registration-result-note { margin: 20px 0 0; color: var(--muted); font-size: 13px; line-height: 1.65; }
.registration-result-done { width: 100%; margin-top: 24px; background: var(--white); color: #06162c; cursor: pointer; }
.registration-result-dialog button:focus-visible { outline: 2px solid var(--result-accent); outline-offset: 4px; }
.mobile-register { text-align: center; text-decoration: none; }
@media (max-width: 1100px) { html[lang="en"] .registration-grid { grid-template-columns: 1fr; } }
@media (max-width: 600px) {
  html[lang="en"] .ticket-card { grid-template-columns: 1fr; }
  .registration-journey { gap: 12px; }
  .registration-journey li { display: block; padding-top: 12px; }
  .registration-journey b { display: block; margin-bottom: 8px; }
  .registration-journey strong { font-size: 13px; line-height: 1.4; }
  .registration-journey span { display: block; font-size: 12px; line-height: 1.6; margin-top: 6px; }
  .registration-field-grid { grid-template-columns: 1fr; gap: 18px; }
  .registration-form-card { padding: 24px 20px; }
}