/* 会员登记页 /member/ 和条款页 /member/terms/ 共用样式。
   跟主站(index.html)同一套视觉:纯白背景、发丝分隔线、标题用 Times 字体组(.wb-times)、
   正文和按钮用 "Discover" 按钮的 Questrial 字体组、品牌名用 Bodoni Moda、酒红 #6E1F2A 做强调。
   颜色/字体数值照抄主站,主站改了这里也要一起改。不使用 backdrop-filter / blur。 */
:root { --wb-bg: #FFFFFF; --wb-line: #E8E8E8; --wb-ink: #2B2622; --wb-muted: #8C8A86; --wb-link: #515559; --wb-accent: #6E1F2A; --wb-err: #A3262E; }

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--wb-bg); color: var(--wb-ink); overflow-x: hidden;
  font-family: 'Questrial', 'Century Gothic', 'Futura', 'Avenir Next', sans-serif; font-size: 15px; line-height: 1.7; }
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; }
[hidden] { display: none !important; }

/* 语言:每段文字都有越南文和英文两份(data-l),按 <html lang> 只显示一份 */
html[lang="vi"] [data-l="en"], html[lang="en"] [data-l="vi"] { display: none !important; }

.wb-times { font-family: "Times New Roman", Times, "Tinos", serif; }

/* 顶部导航:跟主站导航栏同一套(白底、底部发丝线、品牌名居中、右边语言按钮) */
.m-nav { display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; padding: 22px 6%; border-bottom: 1px solid var(--wb-line); background: var(--wb-bg); }
.m-brand { grid-column: 2; font-family: 'Bodoni Moda', serif; font-size: 22px; letter-spacing: 4px; font-weight: 600; color: var(--wb-ink); text-decoration: none; line-height: 1.2; }
.m-nav-right { grid-column: 3; justify-self: end; }
.m-lang { font-family: 'Questrial', 'Century Gothic', 'Futura', 'Avenir Next', sans-serif; font-size: 11px; letter-spacing: 1.5px; line-height: 1; padding: 8px 14px; background: transparent; color: var(--wb-ink); border: 1px solid currentColor; border-radius: 0; cursor: pointer; transition: background-color 0.2s ease, color 0.2s ease; }
@media (hover: hover) { .m-lang:hover { background: var(--wb-ink); color: var(--wb-bg); } }
.m-lang:focus-visible, .m-brand:focus-visible { outline: 2px solid var(--wb-accent); outline-offset: 3px; }

/* 主体:窄栏、留白多 */
.m-main { max-width: 560px; margin: 0 auto; padding: 72px 6% 88px; }
@media (max-width: 640px) { .m-main { padding: 44px 6% 64px; } }
.m-eyebrow { font-size: 11px; letter-spacing: 2px; text-transform: uppercase; color: var(--wb-muted); margin: 0 0 18px; }
.m-title { font-weight: 400; font-size: clamp(30px, 6vw, 42px); line-height: 1.2; letter-spacing: 0.01em; margin: 0 0 16px; }
.m-intro { font-size: 16px; line-height: 1.7; margin: 0; color: var(--wb-ink); }

.m-benefits { list-style: none; margin: 36px 0 0; padding: 0; border-top: 1px solid var(--wb-line); }
.m-benefits li { display: flex; gap: 16px; align-items: baseline; padding: 16px 0; border-bottom: 1px solid var(--wb-line); font-size: 14px; line-height: 1.6; }
.m-benefits .m-num { flex: none; width: 22px; font-family: "Times New Roman", Times, "Tinos", serif; font-size: 18px; color: var(--wb-muted); }

/* 表单 */
.m-form { margin-top: 48px; }
.m-field { margin: 0 0 26px; }
.m-label { display: flex; justify-content: space-between; align-items: baseline; gap: 12px; flex-wrap: wrap; font-size: 13px; letter-spacing: 0.3px; margin-bottom: 8px; }
.m-label .m-req { color: var(--wb-accent); }
.m-opt { color: var(--wb-muted); font-size: 12px; }
.m-input, .m-select { width: 100%; font-family: inherit; font-size: 16px; /* >=16px:iOS 不会自动放大页面 */ color: var(--wb-ink); background: #FFFFFF; border: 1px solid #CFCCC8; border-radius: 0; padding: 12px 14px; line-height: 1.4; -webkit-appearance: none; appearance: none; }
.m-input:focus, .m-select:focus { outline: none; border-color: var(--wb-ink); box-shadow: 0 0 0 1px var(--wb-ink); }
.m-input[aria-invalid="true"], .m-select[aria-invalid="true"] { border-color: var(--wb-err); }
.m-select { background-image: linear-gradient(45deg, transparent 50%, var(--wb-ink) 50%), linear-gradient(135deg, var(--wb-ink) 50%, transparent 50%); background-position: calc(100% - 18px) 52%, calc(100% - 13px) 52%; background-size: 5px 5px; background-repeat: no-repeat; padding-right: 36px; }
.m-row { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 12px; }
.m-hint { font-size: 12px; color: var(--wb-muted); margin: 6px 0 0; }
.m-err { font-size: 13px; line-height: 1.5; color: var(--wb-err); margin: 6px 0 0; }
.m-err:empty { display: none; }
.m-err.m-warn { color: #8A5A00; }

.m-help { font-size: 13px; }
.m-help summary { cursor: pointer; color: var(--wb-link); text-decoration: underline; text-underline-offset: 3px; list-style: none; display: inline; }
.m-help summary::-webkit-details-marker { display: none; }
.m-help[open] summary { color: var(--wb-accent); }
.m-help-body { margin: 12px 0 4px; padding: 16px; border: 1px solid var(--wb-line); font-size: 13px; line-height: 1.7; }
.m-help-body img { margin-top: 12px; border: 1px solid var(--wb-line); }

.m-check { display: flex; gap: 12px; align-items: flex-start; font-size: 14px; line-height: 1.6; cursor: pointer; }
.m-check input { flex: none; width: 20px; height: 20px; margin: 2px 0 0; accent-color: var(--wb-ink); }
.m-check a { color: var(--wb-ink); text-underline-offset: 3px; }

.m-ts { min-height: 0; margin: 0 0 18px; }

/* 提交按钮:跟主站 "Discover the Collection" / "Message our Client Advisor" 同一个按钮
   (Questrial、13px、1.5px 字距、直角细边框、hover 整块填满) */
.m-btn { display: inline-block; width: 100%; max-width: 360px; font-family: 'Questrial', 'Century Gothic', 'Futura', 'Avenir Next', sans-serif; font-weight: 400; font-size: 13px; letter-spacing: 1.5px; line-height: 1.2; padding: 15px 40px; background: transparent; color: var(--wb-ink); border: 1px solid var(--wb-ink); border-radius: 0; cursor: pointer; text-align: center; text-decoration: none; transition: background-color 0.2s ease, color 0.2s ease; }
@media (hover: hover) { .m-btn:hover { background: var(--wb-ink); color: var(--wb-bg); } }
.m-btn:focus-visible { outline: 2px solid var(--wb-accent); outline-offset: 3px; }
.m-btn[disabled] { opacity: 0.55; cursor: progress; }
.m-form-msg { margin: 14px 0 0; }

.m-privacy { margin: 56px 0 0; padding-top: 24px; border-top: 1px solid var(--wb-line); font-size: 13px; color: var(--wb-muted); }
.m-privacy a { color: var(--wb-link); text-underline-offset: 3px; }

/* 成功画面 */
.m-success { text-align: center; }
.m-success .m-title { margin-bottom: 20px; }
.m-success-text { font-size: 15px; line-height: 1.8; margin: 0 auto; max-width: 460px; }
.m-order { display: inline-block; margin: 28px 0 0; padding: 10px 18px; border: 1px solid var(--wb-line); font-size: 13px; letter-spacing: 1px; }
.m-zalo { margin: 40px auto 0; padding-top: 36px; border-top: 1px solid var(--wb-line); }
.m-zalo-qr { width: 200px; max-width: 70%; margin: 0 auto 24px; border: 1px solid var(--wb-line); padding: 8px; background: #FFFFFF; }
.m-zalo-hint { font-size: 14px; margin: 0 0 20px; }
.m-back { display: inline-block; margin-top: 36px; font-size: 13px; color: var(--wb-link); text-underline-offset: 3px; }

/* 条款页 */
.m-terms ol { margin: 0; padding: 0 0 0 1.4em; }
.m-terms li { margin: 0 0 14px; font-size: 15px; line-height: 1.75; padding-left: 4px; }
.m-section { margin-top: 48px; padding-top: 40px; border-top: 1px solid var(--wb-line); }
.m-h2 { font-weight: 400; font-size: 24px; line-height: 1.3; margin: 0 0 20px; }
.m-p { font-size: 15px; line-height: 1.8; margin: 0 0 16px; }
.m-version { font-size: 12px; color: var(--wb-muted); margin: 32px 0 0; }

/* 页脚:跟主站页脚同一套(居中、发丝线、Bodoni 品牌名、Questrial 链接) */
.m-footer { border-top: 1px solid var(--wb-line); padding: 56px 6% 32px; text-align: center; color: var(--wb-muted); }
.m-footer-logo { display: inline-block; font-family: 'Bodoni Moda', serif; font-size: 20px; letter-spacing: 4px; font-weight: 600; color: var(--wb-ink); text-decoration: none; }
.m-footer-links { margin: 22px 0 28px; font-size: 13px; display: flex; flex-wrap: wrap; justify-content: center; gap: 10px 24px; }
.m-footer-links a { color: var(--wb-link); text-decoration: none; }
@media (hover: hover) { .m-footer-links a:hover { color: var(--wb-accent); } }
.m-footer-copy { font-size: 11px; letter-spacing: 0.5px; border-top: 1px solid var(--wb-line); padding-top: 22px; max-width: 1200px; margin: 0 auto; }
.m-fieldset { border: 0; padding: 0; min-width: 0; }
.m-fieldset > legend { padding: 0; }
.m-success:focus { outline: none; } /* 提交成功后把焦点移到这里(给读屏软件),不需要显示焦点框 */