/* ============================================================
 * 校多多 · 访客学生会员注册漏斗
 * student-register.css · 视觉系统 token + 组件样式
 * 2026-06-15
 *
 * 全部 class/keyframe 走 .xdd-sm-* 前缀 · 防撞已上线 UI(铁律 #6)
 * 关联 spec 第二章(视觉系统)+ 第三章(组件 wireframe)
 * ============================================================ */

:root {
  /* 暖橘金主色 10 档 · 校园温暖 · 适合家长 + 学生 · 拒绝冷蓝 */
  --xdd-sm-brand-50:  #fffbeb;
  --xdd-sm-brand-100: #fef3c7;
  --xdd-sm-brand-200: #fde68a;
  --xdd-sm-brand-300: #fcd34d;
  --xdd-sm-brand-400: #fbbf24;
  --xdd-sm-brand-500: #f59e0b;
  --xdd-sm-brand-600: #d97706;
  --xdd-sm-brand-700: #b45309;
  --xdd-sm-brand-800: #92400e;
  --xdd-sm-brand-900: #78350f;

  /* 渐变 token */
  --xdd-sm-gradient-primary: linear-gradient(135deg, #fbbf24 0%, #f59e0b 35%, #ea580c 100%);
  --xdd-sm-gradient-hero:    linear-gradient(135deg, #fef3c7 0%, #fde68a 28%, #fcd34d 60%, #fbbf24 100%);
  --xdd-sm-gradient-money:   linear-gradient(135deg, #f59e0b 0%, #d97706 50%, #b45309 100%);
  --xdd-sm-gradient-success: linear-gradient(135deg, #10b981 0%, #059669 100%);

  /* 暖中性灰(stone)· 与暖橘和谐 · 11 档 */
  --xdd-sm-neutral-0:   #ffffff;
  --xdd-sm-neutral-50:  #fafaf9;
  --xdd-sm-neutral-100: #f5f5f4;
  --xdd-sm-neutral-200: #e7e5e4;
  --xdd-sm-neutral-300: #d6d3d1;
  --xdd-sm-neutral-400: #a8a29e;
  --xdd-sm-neutral-500: #78716c;
  --xdd-sm-neutral-600: #57534e;
  --xdd-sm-neutral-700: #44403c;
  --xdd-sm-neutral-800: #292524;
  --xdd-sm-neutral-900: #1c1917;

  /* 状态色 */
  --xdd-sm-error-500:   #dc2626;
  --xdd-sm-error-100:   #fee2e2;
  --xdd-sm-success-500: #10b981;
  --xdd-sm-warning-500: #f59e0b;
  --xdd-sm-info-500:    #3b82f6;

  /* 字体栈 · 中文优先 · 系统字体无网络依赖 */
  --xdd-sm-font-family: 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei',
                        -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

  /* 阴影暖棕基色 · 5 档(与品牌色温度一致) */
  --xdd-sm-shadow-sm: 0 1px 2px 0 rgba(120, 53, 15, 0.04),
                      0 1px 3px 1px rgba(120, 53, 15, 0.06);
  --xdd-sm-shadow-md: 0 4px 8px -2px rgba(120, 53, 15, 0.08),
                      0 2px 4px -1px rgba(120, 53, 15, 0.06);
  --xdd-sm-shadow-lg: 0 16px 40px -12px rgba(120, 53, 15, 0.16),
                      0 4px 12px -2px rgba(120, 53, 15, 0.10);
  --xdd-sm-shadow-xl: 0 32px 64px -16px rgba(120, 53, 15, 0.24),
                      0 12px 32px -8px rgba(120, 53, 15, 0.16);
  --xdd-sm-shadow-glow: 0 8px 24px -4px rgba(245, 158, 11, 0.40),
                        0 4px 12px -2px rgba(217, 119, 6, 0.32);

  /* 动效曲线 */
  --xdd-sm-ease-standard:   cubic-bezier(.16, 1, .3, 1);
  --xdd-sm-ease-snap:       cubic-bezier(.34, 1.56, .64, 1);
  --xdd-sm-ease-emphasize:  cubic-bezier(.05, .7, .1, 1);
  --xdd-sm-ease-exit:       cubic-bezier(.4, 0, 1, 1);
}

/* ============================================================
 * 背景遮罩 + Modal 容器
 * ============================================================ */
.xdd-sm-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, .5);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
  font-family: var(--xdd-sm-font-family);
  animation: xddSmBackdropIn 320ms var(--xdd-sm-ease-standard);
}
.xdd-sm-backdrop[data-closing="1"] { animation: xddSmBackdropOut 220ms var(--xdd-sm-ease-exit) forwards; }
@keyframes xddSmBackdropIn  { from { opacity: 0; } to { opacity: 1; } }
@keyframes xddSmBackdropOut { from { opacity: 1; } to { opacity: 0; } }

.xdd-sm-modal {
  background: var(--xdd-sm-neutral-0);
  border-radius: 24px;
  width: 100%;
  max-width: 420px;
  max-height: 95dvh;
  max-height: 95vh; /* 兼容老 webkit */
  overflow: hidden;
  box-shadow: var(--xdd-sm-shadow-xl);
  display: flex;
  flex-direction: column;
  animation: xddSmModalIn 320ms var(--xdd-sm-ease-standard);
  position: relative;
}
.xdd-sm-modal[data-closing="1"] { animation: xddSmModalOut 220ms var(--xdd-sm-ease-exit) forwards; }
@media (min-width: 640px) {
  .xdd-sm-modal { max-width: 480px; max-height: 90vh; }
}
@keyframes xddSmModalIn {
  from { opacity: 0; transform: scale(0.92); }
  to   { opacity: 1; transform: scale(1); }
}
@keyframes xddSmModalOut {
  from { opacity: 1; transform: scale(1); }
  to   { opacity: 0; transform: scale(0.96); }
}

/* ============================================================
 * Hero 区(暖橘渐变 + 500 元金额视觉锚点)
 * ============================================================ */
.xdd-sm-hero {
  background: var(--xdd-sm-gradient-hero);
  padding: 32px 24px 28px;
  text-align: center;
  position: relative;
  border-radius: 24px 24px 0 0;
}
.xdd-sm-hero-emoji {
  position: absolute;
  top: 16px;
  right: 24px;
  font-size: 28px;
  animation: xddSmFloat 6s ease-in-out infinite;
  pointer-events: none;
}
@keyframes xddSmFloat {
  0%, 100% { transform: translateY(0) rotate(0deg); }
  50%      { transform: translateY(-6px) rotate(5deg); }
}

.xdd-sm-hero-title {
  font-size: 18px;
  font-weight: 600;
  color: var(--xdd-sm-brand-800);
  margin: 0 0 12px;
  line-height: 1.4;
}

.xdd-sm-money-box {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  margin: 4px auto 12px;
  gap: 2px;
}
.xdd-sm-money {
  font-size: 56px;
  font-weight: 900;
  line-height: 1.1;
  letter-spacing: -2px;
  background: var(--xdd-sm-gradient-money);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
  filter: drop-shadow(0 4px 12px rgba(217, 119, 6, .32));
  animation: xddSmMoneyBreathe 4s ease-in-out infinite;
}
.xdd-sm-money-prefix {
  font-size: 30px;
  font-weight: 700;
  margin-right: 4px;
  /* fix · 父元素 background-clip:text 让 ¥ 透明 · 此处独立同款渐变 */
  display: inline-block;
  background: linear-gradient(135deg, #f59e0b 0%, #d97706 50%, #b45309 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
  filter: drop-shadow(0 2px 6px rgba(217, 119, 6, .28));
  vertical-align: top;
  position: relative;
  top: 4px;
}
@keyframes xddSmMoneyBreathe {
  0%, 100% {
    transform: scale(1);
    filter: drop-shadow(0 4px 12px rgba(217, 119, 6, .32));
  }
  50% {
    transform: scale(1.03);
    filter: drop-shadow(0 8px 20px rgba(217, 119, 6, .50));
  }
}
.xdd-sm-money-divider {
  width: 60px;
  height: 3px;
  background: var(--xdd-sm-gradient-money);
  border-radius: 3px;
  margin: 2px auto 4px;
}
.xdd-sm-money-label {
  font-size: 14px;
  color: var(--xdd-sm-brand-700);
  font-weight: 600;
}

.xdd-sm-hero-subtitle {
  font-size: 13px;
  color: var(--xdd-sm-brand-900);
  line-height: 1.6;
  margin-top: 12px;
  max-width: 320px;
  margin-left: auto;
  margin-right: auto;
}

/* ============================================================
 * 关闭按钮 × (hero 左上)
 * ============================================================ */
.xdd-sm-close {
  position: absolute;
  top: 16px;
  left: 16px;
  width: 32px;
  height: 32px;
  border: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, .4);
  -webkit-backdrop-filter: blur(4px);
  backdrop-filter: blur(4px);
  cursor: pointer;
  font-size: 18px;
  color: var(--xdd-sm-brand-900);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: inherit;
  transition: background 180ms, transform 180ms;
  z-index: 2;
}
.xdd-sm-close:hover { background: rgba(255, 255, 255, .65); }
.xdd-sm-close:active { transform: scale(0.92); }

/* ============================================================
 * 表单区
 * ============================================================ */
.xdd-sm-form {
  padding: 28px 24px 20px;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  flex: 1;
  min-height: 0;
}

.xdd-sm-field {
  margin-bottom: 14px;
}
.xdd-sm-label {
  display: block;
  font-size: 13px;
  font-weight: 500;
  color: var(--xdd-sm-neutral-600);
  margin-bottom: 6px;
}

.xdd-sm-input,
.xdd-sm-select {
  width: 100%;
  height: 52px;
  padding: 0 16px;
  border: 1.5px solid var(--xdd-sm-neutral-300);
  border-radius: 12px;
  font-size: 16px; /* iOS 防 zoom 关键 · 必须 ≥16 */
  font-family: inherit;
  color: var(--xdd-sm-neutral-800);
  background: var(--xdd-sm-neutral-0);
  transition: border-color 180ms, box-shadow 180ms;
  -webkit-appearance: none;
  appearance: none;
  box-sizing: border-box;
}
.xdd-sm-input:focus,
.xdd-sm-select:focus {
  outline: 0;
  border-color: var(--xdd-sm-brand-500);
  box-shadow: 0 0 0 4px rgba(245, 158, 11, .12);
}
.xdd-sm-input::placeholder {
  color: var(--xdd-sm-neutral-400);
}
.xdd-sm-input[disabled],
.xdd-sm-select[disabled] {
  background: var(--xdd-sm-neutral-100);
  color: var(--xdd-sm-neutral-400);
  cursor: not-allowed;
}

.xdd-sm-select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%2378716c' d='M6 8L0 0h12z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 16px center;
  padding-right: 40px;
}

/* 手机号 + 验证码联排 */
.xdd-sm-phone-row {
  display: flex;
  gap: 8px;
}
.xdd-sm-phone-row .xdd-sm-input {
  flex: 1;
}
.xdd-sm-sms-btn {
  flex-shrink: 0;
  width: 100px;
  height: 52px;
  border-radius: 12px;
  border: 1.5px solid var(--xdd-sm-brand-500);
  background: var(--xdd-sm-brand-50);
  color: var(--xdd-sm-brand-700);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  font-family: inherit;
  transition: background 180ms, color 180ms;
}
.xdd-sm-sms-btn:hover { background: var(--xdd-sm-brand-100); }
.xdd-sm-sms-btn:active { transform: scale(0.96); }
.xdd-sm-sms-btn[disabled] {
  background: var(--xdd-sm-neutral-100);
  border-color: var(--xdd-sm-neutral-300);
  color: var(--xdd-sm-neutral-400);
  cursor: not-allowed;
}

/* 地区联排 */
.xdd-sm-region-row {
  display: flex;
  gap: 8px;
}
.xdd-sm-region-row .xdd-sm-select {
  flex: 1;
}

/* 协议勾选 */
.xdd-sm-terms {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  margin: 6px 0 18px;
  font-size: 12px;
  color: var(--xdd-sm-neutral-500);
  line-height: 1.5;
  cursor: pointer;
}
.xdd-sm-terms input[type="checkbox"] {
  width: 18px;
  height: 18px;
  margin: 0;
  margin-top: 1px;
  flex-shrink: 0;
  accent-color: var(--xdd-sm-brand-500);
  cursor: pointer;
}
.xdd-sm-terms a {
  color: var(--xdd-sm-brand-600);
  text-decoration: underline;
}

/* 主提交按钮 */
.xdd-sm-submit {
  width: 100%;
  height: 56px;
  border: 0;
  border-radius: 16px;
  background: var(--xdd-sm-gradient-primary);
  color: white;
  font-size: 18px;
  font-weight: 700;
  font-family: inherit;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  box-shadow: var(--xdd-sm-shadow-glow);
  transition: transform 180ms, box-shadow 180ms;
}
.xdd-sm-submit:hover {
  transform: translateY(-1px);
  box-shadow: 0 12px 32px -4px rgba(245, 158, 11, .48),
              0 6px 16px -2px rgba(217, 119, 6, .40);
}
.xdd-sm-submit:active { transform: scale(0.98); }
.xdd-sm-submit[disabled] {
  opacity: 0.65;
  cursor: not-allowed;
}

/* 信任锚 */
.xdd-sm-trust {
  text-align: center;
  margin-top: 10px;
  font-size: 12px;
  color: var(--xdd-sm-neutral-400);
}

/* 底部"我先看看"(关闭弱视觉)*/
.xdd-sm-dismiss {
  text-align: center;
  padding: 8px 24px 20px;
  font-size: 13px;
  color: var(--xdd-sm-neutral-400);
  cursor: pointer;
  background: transparent;
  border: 0;
  width: 100%;
  font-family: inherit;
}
.xdd-sm-dismiss:hover {
  text-decoration: underline;
  color: var(--xdd-sm-neutral-500);
}

/* 错误提示 */
.xdd-sm-error {
  color: var(--xdd-sm-error-500);
  font-size: 12px;
  margin-top: 4px;
  line-height: 1.4;
}
.xdd-sm-form-error {
  background: var(--xdd-sm-error-100);
  color: var(--xdd-sm-error-500);
  border-radius: 8px;
  padding: 10px 12px;
  font-size: 13px;
  margin-bottom: 12px;
  text-align: center;
}

/* ============================================================
 * 半模糊遮罩(关闭 modal 后页面降级)
 * 智能选择器:body 的所有直接子节点 · 排除自身组件元素
 * 无需手动给页面元素加 class
 * ============================================================ */
.xdd-sm-body-blurred > *:not(.xdd-sm-backdrop):not(.xdd-sm-sticky-cta):not(.xdd-sm-toast):not(script):not(style) {
  filter: blur(2px);
  pointer-events: none;
  user-select: none;
  transition: filter 240ms ease-out;
}

/* ============================================================
 * 顶部 sticky CTA(关闭后持续引导)
 * ============================================================ */
.xdd-sm-sticky-cta {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 9998;
  background: var(--xdd-sm-gradient-primary);
  color: white;
  padding: 12px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  box-shadow: 0 4px 16px rgba(217, 119, 6, .32);
  animation: xddSmStickyDown 300ms var(--xdd-sm-ease-standard);
  font-family: var(--xdd-sm-font-family);
}
@keyframes xddSmStickyDown {
  from { transform: translateY(-100%); }
  to   { transform: translateY(0); }
}
.xdd-sm-sticky-cta-text {
  font-size: 13px;
  font-weight: 600;
  flex: 1;
  min-width: 0;
}
.xdd-sm-sticky-cta-btn {
  background: white;
  color: var(--xdd-sm-brand-700);
  padding: 8px 16px;
  border-radius: 12px;
  font-weight: 600;
  font-size: 13px;
  border: 0;
  cursor: pointer;
  flex-shrink: 0;
  font-family: inherit;
  transition: transform 180ms;
}
.xdd-sm-sticky-cta-btn:active { transform: scale(0.96); }
.xdd-sm-sticky-cta-close {
  background: rgba(255, 255, 255, .25);
  width: 28px;
  height: 28px;
  border: 0;
  border-radius: 50%;
  color: white;
  font-size: 14px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-family: inherit;
}

/* ============================================================
 * Toast(右下角 · 暖绿成功)
 * ============================================================ */
.xdd-sm-toast {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 10000;
  background: var(--xdd-sm-gradient-success);
  color: white;
  border-radius: 16px;
  padding: 16px 20px;
  min-width: 280px;
  max-width: 380px;
  box-shadow: 0 16px 40px -12px rgba(16, 185, 129, .40),
              0 4px 12px -2px rgba(5, 150, 105, .32);
  animation: xddSmToastIn 300ms var(--xdd-sm-ease-standard);
  font-family: var(--xdd-sm-font-family);
  line-height: 1.5;
  font-size: 14px;
}
.xdd-sm-toast[data-closing="1"] { animation: xddSmToastOut 220ms var(--xdd-sm-ease-exit) forwards; }
@keyframes xddSmToastIn  { from { opacity: 0; transform: translateX(20px) translateY(20px); } to { opacity: 1; transform: translateX(0) translateY(0); } }
@keyframes xddSmToastOut { from { opacity: 1; transform: translateX(0); } to { opacity: 0; transform: translateX(20px); } }

@media (max-width: 640px) {
  .xdd-sm-toast {
    bottom: 16px;
    right: 16px;
    left: 16px;
    max-width: none;
    min-width: 0;
  }
}

/* 金额加粗高亮(toast 内 · 文案占位符替换后)*/
.xdd-sm-amount {
  font-weight: 700;
  font-size: 1.08em;
}

/* ============================================================
 * v2 · 导航栏 CTA 3 状态(全站持续轻引导 · 用户拍板顶部 nav 右侧)
 * ============================================================ */

/* v2 · modal CTA 卡片(替代旧表单 · 纯价值展示)*/
.xdd-sm-card-actions {
  padding: 24px 24px 16px;
}
.xdd-sm-link-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  margin-bottom: 12px;
}
.xdd-sm-secondary-link {
  display: block;
  text-align: center;
  font-size: 14px;
  color: var(--xdd-sm-brand-700);
  text-decoration: none;
  padding: 10px;
  font-weight: 500;
}
.xdd-sm-secondary-link:hover { text-decoration: underline; }

/* 状态 1 · 未注册 · 主推呼吸(暖橘金渐变) */
.xdd-sm-nav-cta {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  text-decoration: none;
  white-space: nowrap;
  font-family: var(--xdd-sm-font-family);
}
.xdd-sm-nav-cta-register {
  background: linear-gradient(135deg, #fbbf24 0%, #f59e0b 35%, #ea580c 100%);
  color: white;
  padding: 8px 18px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 14px;
  box-shadow: 0 4px 16px rgba(245, 158, 11, .40);
  animation: xddSmCtaBreathe 2.4s ease-in-out infinite;
}
.xdd-sm-nav-cta-register:hover {
  transform: translateY(-1px);
  box-shadow: 0 8px 28px rgba(245, 158, 11, .65);
}
@keyframes xddSmCtaBreathe {
  0%, 100% {
    transform: scale(1);
    box-shadow: 0 4px 16px rgba(245, 158, 11, .40);
  }
  50% {
    transform: scale(1.04);
    box-shadow: 0 8px 28px rgba(245, 158, 11, .65);
  }
}

/* 状态 3 · 已注册未登录 · 弱呼吸(白底橘边) */
.xdd-sm-nav-cta-login {
  background: white;
  color: #d97706;
  padding: 8px 18px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 14px;
  border: 1.5px solid #f59e0b;
  animation: xddSmCtaBreatheSubtle 3.6s ease-in-out infinite;
}
.xdd-sm-nav-cta-login:hover {
  background: var(--xdd-sm-brand-50);
}
@keyframes xddSmCtaBreatheSubtle {
  0%, 100% { box-shadow: 0 2px 8px rgba(245, 158, 11, .15); }
  50%      { box-shadow: 0 4px 16px rgba(245, 158, 11, .30); }
}

/* 状态 2 · 已登录 · 静态暖色 · 下拉菜单 */
.xdd-sm-nav-user-wrap {
  position: relative;
  display: inline-block;
  font-family: var(--xdd-sm-font-family);
}
.xdd-sm-nav-cta-logged {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(245, 158, 11, .10);
  color: #b45309;
  padding: 6px 14px 6px 6px;
  border-radius: 999px;
  font-weight: 500;
  font-size: 14px;
  border: 1px solid rgba(245, 158, 11, .30);
  cursor: pointer;
  font-family: inherit;
}
.xdd-sm-nav-cta-logged:hover {
  background: rgba(245, 158, 11, .18);
}
.xdd-sm-nav-avatar {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: linear-gradient(135deg, #fbbf24, #f59e0b);
  color: white;
  font-size: 12px;
  font-weight: 700;
}
.xdd-sm-nav-name {
  max-width: 80px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.xdd-sm-nav-caret {
  font-size: 10px;
  color: var(--xdd-sm-brand-700);
}
.xdd-sm-nav-user-menu {
  display: none;
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  min-width: 180px;
  background: white;
  border-radius: 12px;
  box-shadow: var(--xdd-sm-shadow-lg);
  padding: 8px 0;
  z-index: 100;
  border: 1px solid var(--xdd-sm-neutral-200);
}
.xdd-sm-nav-user-wrap.open .xdd-sm-nav-user-menu {
  display: block;
  animation: xddSmMenuDown 200ms var(--xdd-sm-ease-standard);
}
@keyframes xddSmMenuDown {
  from { opacity: 0; transform: translateY(-6px); }
  to   { opacity: 1; transform: translateY(0); }
}
.xdd-sm-nav-user-menu a,
.xdd-sm-nav-user-menu button {
  display: block;
  width: 100%;
  text-align: left;
  padding: 10px 16px;
  font-size: 14px;
  color: var(--xdd-sm-neutral-700);
  text-decoration: none;
  background: none;
  border: 0;
  cursor: pointer;
  font-family: inherit;
}
.xdd-sm-nav-user-menu a:hover,
.xdd-sm-nav-user-menu button:hover {
  background: var(--xdd-sm-brand-50);
  color: var(--xdd-sm-brand-800);
}

/* 手机端 nav CTA · 缩小 */
@media (max-width: 640px) {
  .xdd-sm-nav-cta-register,
  .xdd-sm-nav-cta-login {
    padding: 6px 12px;
    font-size: 12px;
  }
  .xdd-sm-nav-cta-logged {
    padding: 4px 8px 4px 4px;
    font-size: 12px;
  }
  .xdd-sm-nav-name {
    max-width: 60px;
  }
}

/* ============================================================
 * v2.1 · hero 区学生会员 CTA(与上面 3 按钮同款规格 · 3 状态智能)
 * 设计:px-6 py-3 rounded-full font-bold · 与"招生代理"同款尺寸
 * 仅手机端显示(.xdd-sm-hero-mobile-slot.md:hidden)· 桌面走顶部 nav CTA
 * ============================================================ */
.xdd-sm-hero-cta {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  text-decoration: none;
  border-radius: 9999px;
  /* 与"招生代理"按钮同款 px-6 py-3 + text-sm */
  padding: 12px 24px;
  font-size: 14px;
  font-weight: 700;
  font-family: var(--xdd-sm-font-family);
  white-space: nowrap;
  transition: transform 180ms, box-shadow 180ms;
  position: relative;
}
.xdd-sm-hero-cta:active { transform: scale(0.96); }

/* 状态 1 · 未注册 · v2.3 改纯色暖橘(用户拍板 · 与上 3 按钮统一)· 呼吸 2.4s */
.xdd-sm-hero-cta-register {
  background: #f59e0b;
  color: white;
  border: 2px solid transparent;
  box-shadow: 0 4px 14px rgba(245, 158, 11, .45);
  animation: xddSmHeroCtaBreathe 2.4s ease-in-out infinite;
}
@keyframes xddSmHeroCtaBreathe {
  0%, 100% {
    transform: scale(1);
    box-shadow: 0 4px 14px rgba(245, 158, 11, .45);
  }
  50% {
    transform: scale(1.04);
    box-shadow: 0 8px 22px rgba(245, 158, 11, .65);
  }
}

/* 状态 3 · 已注册未登录 · 白底橘边 · 弱呼吸 3.6s */
.xdd-sm-hero-cta-login {
  background: white;
  color: #d97706;
  border: 2px solid #f59e0b;
  box-shadow: 0 3px 10px rgba(245, 158, 11, .25);
  animation: xddSmHeroCtaBreatheSubtle 3.6s ease-in-out infinite;
}
@keyframes xddSmHeroCtaBreatheSubtle {
  0%, 100% { box-shadow: 0 3px 10px rgba(245, 158, 11, .25); transform: scale(1); }
  50%      { box-shadow: 0 5px 16px rgba(245, 158, 11, .42); transform: scale(1.02); }
}

/* 状态 2 · 已登录 · 与"招生代理"绿边同款风格 · 暖橘半透明边 */
.xdd-sm-hero-cta-logged {
  background: transparent;
  color: #fde68a;
  border: 2px solid #fbbf24;
}
.xdd-sm-hero-cta-logged:hover {
  background: rgba(251, 191, 36, .10);
}

.xdd-sm-hero-cta-emoji { font-size: 16px; }
.xdd-sm-hero-cta-text { font-size: 14px; }

/* ============================================================
 * v2.1 fix · 手机端 4 按钮强制 2x2 网格 · 等宽 · 整齐
 * 桌面端(≥ 768)恢复 flex inline · 不影响原布局
 * 适用 iPhone-12 / SE / Pixel-5 / 14 Pro Max(428×926 大屏)
 * ============================================================ */
@media (max-width: 767px) {
  /* grid 容器内的所有直接子元素(包括 .xdd-sm-hero-mobile-slot)等宽 */
  .xdd-sm-hero-buttons-row > a,
  .xdd-sm-hero-buttons-row > div > a.xdd-sm-hero-cta {
    display: flex !important;
    align-items: center;
    justify-content: center;
    width: 100%;
    box-sizing: border-box;
    padding-left: 12px !important;
    padding-right: 12px !important;
    text-align: center;
    white-space: nowrap;
    /* 字号略缩 · 防止"30秒智能择校" 6 字溢出 */
    font-size: 13px !important;
  }
  /* hero-mobile-slot 本身在 grid 内占 1 cell */
  .xdd-sm-hero-buttons-row > .xdd-sm-hero-mobile-slot {
    display: flex;
    align-items: stretch;
  }
}