.profile-section {
  padding: 60px 0 80px;
}

.profile-layout {
  display: grid;
  grid-template-columns: 300px 1fr;
  gap: 40px;
  align-items: start;
}

.profile-sidebar {
  position: sticky;
  top: 100px;
}

.profile-card {
  background: linear-gradient(180deg, var(--paper) 0%, var(--paper-dark) 100%);
  border: 1px solid rgba(212, 160, 74, 0.3);
  border-radius: 6px;
  padding: 40px 28px;
  text-align: center;
  margin-bottom: 24px;
  position: relative;
}

.profile-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--gold), transparent);
}

.profile-card .corner-tl,
.profile-card .corner-tr,
.profile-card .corner-bl,
.profile-card .corner-br {
  position: absolute;
  width: 20px;
  height: 20px;
  border: 2px solid var(--gold);
  opacity: 0.6;
}

.profile-card .corner-tl {
  top: 8px;
  left: 8px;
  border-right: none;
  border-bottom: none;
}

.profile-card .corner-tr {
  top: 8px;
  right: 8px;
  border-left: none;
  border-bottom: none;
}

.profile-card .corner-bl {
  bottom: 8px;
  left: 8px;
  border-right: none;
  border-top: none;
}

.profile-card .corner-br {
  bottom: 8px;
  right: 8px;
  border-left: none;
  border-top: none;
}

.avatar-large {
  width: 110px;
  height: 110px;
  border-radius: 4px;
  background: linear-gradient(135deg, var(--gold-deep) 0%, var(--gold) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-brush);
  font-size: 52px;
  color: var(--ink-deep);
  margin: 0 auto 24px;
  box-shadow: 0 6px 25px rgba(212, 160, 74, 0.4);
  position: relative;
}

.avatar-large::before {
  content: '';
  position: absolute;
  inset: 3px;
  border: 1px solid rgba(15, 39, 68, 0.2);
  border-radius: 2px;
}

.profile-name-wrapper {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  margin-bottom: 12px;
}

.profile-name {
  font-family: var(--font-brush);
  font-size: 28px;
  color: var(--ink-deep);
  letter-spacing: 4px;
}

.guest-badge {
  display: inline-flex;
  align-items: center;
  padding: 2px 10px;
  background: linear-gradient(135deg, #fef3c7 0%, #fde68a 100%);
  color: #92400e;
  font-size: 12px;
  font-weight: 500;
  border-radius: 20px;
  border: 1px solid #fcd34d;
  white-space: nowrap;
}

.profile-bio {
  font-size: 15px;
  color: var(--ink-muted);
  line-height: 1.8;
  font-family: var(--font-title);
}

.nav-list {
  background: linear-gradient(180deg, var(--paper) 0%, var(--paper-dark) 100%);
  border: 1px solid rgba(212, 160, 74, 0.3);
  border-radius: 6px;
  padding: 8px;
  position: relative;
}

.nav-list .corner-tl,
.nav-list .corner-tr,
.nav-list .corner-bl,
.nav-list .corner-br {
  position: absolute;
  width: 14px;
  height: 14px;
  border: 2px solid var(--gold);
  opacity: 0.5;
}

.nav-list .corner-tl {
  top: 6px;
  left: 6px;
  border-right: none;
  border-bottom: none;
}

.nav-list .corner-tr {
  top: 6px;
  right: 6px;
  border-left: none;
  border-bottom: none;
}

.nav-list .corner-bl {
  bottom: 6px;
  left: 6px;
  border-right: none;
  border-top: none;
}

.nav-list .corner-br {
  bottom: 6px;
  right: 6px;
  border-left: none;
  border-top: none;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 16px 20px;
  border-radius: 4px;
  cursor: pointer;
  transition: var(--transition);
  color: var(--ink-muted);
  font-family: var(--font-title);
  font-size: 15px;
  letter-spacing: 2px;
}

.nav-item:hover {
  background: rgba(212, 160, 74, 0.1);
  color: var(--ink-deep);
}

.nav-item.active {
  background: linear-gradient(135deg, rgba(212, 160, 74, 0.15), rgba(212, 160, 74, 0.05));
  color: var(--gold-deep);
  font-weight: 400;
}

.nav-item svg {
  width: 20px;
  height: 20px;
}

.profile-main {
  min-height: 500px;
}

.form-card {
  background: linear-gradient(180deg, var(--paper) 0%, var(--paper-dark) 100%);
  border: 1px solid rgba(212, 160, 74, 0.3);
  border-radius: 6px;
  padding: 40px;
  position: relative;
  margin-bottom: 24px;
}

.form-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--gold), transparent);
}

.form-card .corner-tl,
.form-card .corner-tr,
.form-card .corner-bl,
.form-card .corner-br {
  position: absolute;
  width: 22px;
  height: 22px;
  border: 2px solid var(--gold);
  opacity: 0.6;
}

.form-card .corner-tl {
  top: 8px;
  left: 8px;
  border-right: none;
  border-bottom: none;
}

.form-card .corner-tr {
  top: 8px;
  right: 8px;
  border-left: none;
  border-bottom: none;
}

.form-card .corner-bl {
  bottom: 8px;
  left: 8px;
  border-right: none;
  border-top: none;
}

.form-card .corner-br {
  bottom: 8px;
  right: 8px;
  border-left: none;
  border-top: none;
}

.danger-zone .corner-tl,
.danger-zone .corner-tr,
.danger-zone .corner-bl,
.danger-zone .corner-br {
  border-color: #dc3545;
  opacity: 0.7;
}

.form-card h3 {
  font-family: var(--font-brush);
  font-size: 28px;
  color: var(--ink-deep);
  letter-spacing: 4px;
  margin-bottom: 32px;
  padding-bottom: 20px;
  border-bottom: 2px solid var(--gold);
  display: inline-block;
}

.form-group {
  margin-bottom: 28px;
}

.form-group label {
  display: block;
  font-family: var(--font-title);
  font-size: 15px;
  color: var(--ink-deep);
  margin-bottom: 12px;
  letter-spacing: 2px;
}

.form-group input[type="text"],
.form-group input[type="email"],
.form-group input[type="tel"],
.form-group input[type="password"],
.form-group textarea {
  width: 100%;
  padding: 14px 18px;
  border: 1px solid rgba(212, 160, 74, 0.3);
  border-radius: 4px;
  font-family: var(--font-body);
  font-size: 15px;
  color: var(--ink-deep);
  background: var(--paper);
  transition: var(--transition);
}

.form-group input[type="text"]:focus,
.form-group input[type="email"]:focus,
.form-group input[type="tel"]:focus,
.form-group input[type="password"]:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--gold);
  background: white;
  box-shadow: 0 0 0 3px rgba(212, 160, 74, 0.1);
}

.form-group textarea {
  resize: vertical;
  min-height: 120px;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--ink-muted);
}

.option-group {
  display: flex;
  gap: 16px;
}

.option-item {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
  border: 2px solid rgba(212, 160, 74, 0.3);
  border-radius: 4px;
  cursor: pointer;
  transition: var(--transition);
  font-family: var(--font-title);
  color: var(--ink-muted);
  letter-spacing: 2px;
}

.option-item:hover {
  border-color: var(--gold);
}

.option-item input {
  display: none;
}

.option-item:has(input:checked) {
  border-color: var(--gold);
  background: linear-gradient(135deg, rgba(212, 160, 74, 0.15), rgba(212, 160, 74, 0.05));
  color: var(--gold-deep);
  font-weight: 400;
}

.checkbox-group {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.checkbox-item {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 14px;
  border: 2px solid rgba(212, 160, 74, 0.3);
  border-radius: 4px;
  cursor: pointer;
  transition: var(--transition);
  font-family: var(--font-title);
  font-size: 14px;
  color: var(--ink-muted);
  letter-spacing: 2px;
}

.checkbox-item:hover {
  border-color: var(--gold);
}

.checkbox-item input {
  display: none;
}

.checkbox-item:has(input:checked) {
  border-color: var(--gold);
  background: linear-gradient(135deg, rgba(212, 160, 74, 0.15), rgba(212, 160, 74, 0.05));
  color: var(--gold-deep);
  font-weight: 400;
}

.form-actions {
  margin-top: 40px;
  padding-top: 28px;
  border-top: 1px dashed rgba(212, 160, 74, 0.35);
}

.form-desc {
  color: var(--ink-muted);
  font-size: 15px;
  margin-bottom: 24px;
  font-family: var(--font-title);
}

.phone-display {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 16px;
  background: #f8f9fa;
  border-radius: 8px;
  color: var(--ink-deep);
  font-size: 15px;
  margin-bottom: 12px;
}

#phone-bind-section .status-badge {
  padding: 4px 12px;
  border-radius: 4px;
  font-size: 12px;
  font-weight: 500;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--gold-deep) 0%, var(--gold) 50%, var(--gold-light) 60%, var(--gold) 100%);
  color: var(--ink-deep);
  box-shadow: var(--shadow-gold);
  position: relative;
  overflow: hidden;
  transition: var(--transition);
}

#phone-bind-section .status-badge::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
  transition: left 0.6s;
}

#phone-bind-section .status-badge:hover::before {
  left: 100%;
}

#phone-bind-section .status-badge.binded {
  background: linear-gradient(135deg, #4caf50 0%, #66bb6a 50%, #81c784 60%, #66bb6a 100%);
  color: #fff;
  box-shadow: 0 4px 15px rgba(76, 175, 80, 0.4);
}

#phone-bind-section .status-badge.unbinded {
  background: linear-gradient(135deg, var(--gold-deep) 0%, var(--gold) 50%, var(--gold-light) 60%, var(--gold) 100%);
  color: var(--ink-deep);
}

#phone-bind-section .flex-between {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

#phone-bind-section .flex-between > div:first-child {
  flex: 1;
}

#phone-bind-section .flex-between .status-badge {
  margin-left: 12px;
  flex-shrink: 0;
}

.beta-tag {
  display: inline-block;
  background: linear-gradient(135deg, #ff6b6b 0%, #ee5a5a 100%);
  color: white;
  font-size: 10px;
  padding: 2px 8px;
  border-radius: 10px;
  margin-left: 6px;
  font-weight: 500;
}

.model-select-wrapper {
  margin-top: 12px;
}

.model-mode-default-display {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  background: rgba(212, 160, 74, 0.15);
  border: 1px solid var(--gold);
  border-radius: 8px;
  color: var(--gold-deep);
  font-size: 14px;
  font-weight: 600;
}

.model-mode-default-display svg {
  flex-shrink: 0;
}

.data-actions {
  display: flex;
  gap: 20px;
}

.data-actions .btn-outline {
  flex: 1;
}

.toast {
  position: fixed;
  top: 100px;
  left: 50%;
  transform: translateX(-50%) translateY(-30px) scale(0.9);
  background: linear-gradient(135deg, var(--ink-deep) 0%, var(--ink) 100%);
  color: var(--gold-light);
  padding: 18px 36px;
  border-radius: 4px;
  box-shadow: 0 10px 40px rgba(15, 39, 68, 0.3);
  opacity: 0;
  pointer-events: none;
  transition:
    opacity 0.35s cubic-bezier(0.4, 0, 0.2, 1),
    transform 0.5s cubic-bezier(0.34, 1.56, 0.64, 1),
    box-shadow 0.35s ease;
  z-index: 2000;
  font-family: var(--font-title);
  letter-spacing: 2px;
  border: 1px solid var(--gold);
}

.toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0) scale(1);
  box-shadow: 0 12px 45px rgba(15, 39, 68, 0.35);
}

/* ==================== 头像上传 ==================== */
.avatar-upload-wrapper {
  display: flex;
  align-items: flex-start;
  gap: 24px;
}

.avatar-upload-preview {
  width: 120px;
  height: 120px;
  border-radius: 4px;
  background: linear-gradient(135deg, var(--gold-deep) 0%, var(--gold) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-brush);
  font-size: 52px;
  color: var(--ink-deep);
  overflow: hidden;
  flex-shrink: 0;
  border: 2px solid var(--gold);
}

.avatar-upload-preview img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.avatar-upload-controls {
  display: flex;
  flex-direction: column;
  gap: 10px;
  align-items: flex-start;
  padding-top: 8px;
}

.form-hint {
  font-size: 12px;
  color: var(--ink-muted);
  margin: 0;
  line-height: 1.4;
}

.btn-text {
  background: none;
  border: none;
  color: var(--gold);
  cursor: pointer;
  padding: 0;
  font-size: 14px;
  font-family: inherit;
  text-decoration: underline;
}

.btn-text:disabled {
  color: var(--ink-muted);
  cursor: not-allowed;
  text-decoration: none;
}

.btn-text:not(:disabled):hover {
  color: var(--gold-deep);
}

body.theme-porcelain .avatar-upload-preview {
  background: linear-gradient(135deg, var(--accent-deep) 0%, var(--accent) 100%);
  border-color: var(--accent);
  color: #fff;
}

body.theme-porcelain .btn-text {
  color: var(--accent);
}

body.theme-porcelain .btn-text:not(:disabled):hover {
  color: var(--accent-light);
}

/* ==================== 响应式：平板 / 小屏桌面 ==================== */
@media (max-width: 1080px) {
  .profile-layout {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .profile-sidebar {
    position: static;
  }

  .nav-list {
    display: flex;
    overflow-x: auto;
    padding: 6px;
    -webkit-overflow-scrolling: touch;
  }

  .nav-list .corner-tl,
  .nav-list .corner-tr,
  .nav-list .corner-bl,
  .nav-list .corner-br {
    display: none;
  }

  .nav-item {
    white-space: nowrap;
    flex-shrink: 0;
    padding: 12px 18px;
    gap: 10px;
  }

  .checkbox-group {
    grid-template-columns: repeat(3, 1fr);
  }

  .data-actions {
    gap: 14px;
  }
}

/* ==================== 响应式：手机（<=768px） ==================== */
@media (max-width: 768px) {
  .profile-section {
    padding: 32px 0 60px;
  }

  .profile-card {
    padding: 28px 20px;
    margin-bottom: 16px;
  }

  .profile-card .corner-tl,
  .profile-card .corner-tr,
  .profile-card .corner-bl,
  .profile-card .corner-br {
    width: 16px;
    height: 16px;
    top: 6px;
    left: 6px;
    right: 6px;
    bottom: 6px;
  }

  .avatar-large {
    width: 88px;
    height: 88px;
    font-size: 42px;
    margin-bottom: 16px;
  }

  .profile-name-wrapper {
    margin-bottom: 8px;
  }

  .profile-name {
    font-size: 22px;
    letter-spacing: 3px;
  }

  .profile-bio {
    font-size: 14px;
    line-height: 1.6;
  }

  .form-card {
    padding: 24px 18px;
    margin-bottom: 16px;
  }

  .form-card .corner-tl,
  .form-card .corner-tr,
  .form-card .corner-bl,
  .form-card .corner-br {
    width: 16px;
    height: 16px;
    top: 6px;
    left: 6px;
    right: 6px;
    bottom: 6px;
  }

  .form-card h3 {
    font-size: 22px;
    letter-spacing: 3px;
    margin-bottom: 24px;
    padding-bottom: 14px;
  }

  .form-group {
    margin-bottom: 20px;
  }

  .form-group label {
    font-size: 14px;
    margin-bottom: 8px;
    letter-spacing: 1.5px;
  }

  .form-group input[type="text"],
  .form-group input[type="email"],
  .form-group input[type="tel"],
  .form-group input[type="password"],
  .form-group textarea {
    padding: 12px 14px;
    font-size: 16px;
  }

  .checkbox-group {
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
  }

  .checkbox-item {
    padding: 10px 6px;
    font-size: 13px;
    letter-spacing: 1px;
  }

  .option-group {
    gap: 10px;
  }

  .option-item {
    padding: 12px 8px;
    font-size: 14px;
    letter-spacing: 1px;
  }

  .form-actions {
    margin-top: 28px;
    padding-top: 20px;
  }

  .form-actions .btn-primary,
  .form-actions .btn-danger,
  .form-actions .btn-outline {
    width: 100%;
    padding: 14px 20px;
  }

  .form-actions-multi {
    display: flex;
    flex-direction: column;
  }

  #phone-bind-section .flex-between {
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
  }

  #phone-bind-section .flex-between .status-badge {
    margin-left: 0;
  }

  #phone-bind-section .status-badge {
    padding: 5px 12px;
    font-size: 11px;
  }

  .phone-display {
    padding: 10px 14px;
    font-size: 14px;
    margin-bottom: 10px;
    border-radius: 6px;
  }

  .sms-group .sms-input-row {
    flex-direction: column;
    gap: 10px;
  }

  .sms-input-row input {
    width: 100%;
    padding: 12px 14px;
    font-size: 16px;
  }

  .btn-sms-code {
    width: 100%;
    padding: 12px 18px;
    font-size: 14px;
    min-width: 0;
    letter-spacing: 2px;
  }

  .avatar-upload-wrapper {
    flex-direction: column;
    align-items: center;
    gap: 16px;
  }

  .avatar-upload-preview {
    width: 96px;
    height: 96px;
    font-size: 40px;
  }

  .avatar-upload-controls {
    width: 100%;
    align-items: stretch;
    text-align: center;
  }

  .avatar-upload-controls .btn-primary,
  .avatar-upload-controls .btn-text {
    width: 100%;
  }

  .model-mode-switch {
    flex-wrap: wrap;
    gap: 6px;
  }

  .model-mode-btn {
    flex: 1;
    min-width: calc(50% - 3px);
    padding: 8px 12px;
    font-size: 13px;
    letter-spacing: 0;
    justify-content: center;
  }

  .custom-select {
    max-width: 100%;
  }

  .data-actions {
    flex-direction: column;
    gap: 12px;
  }

  .theme-option-group {
    flex-direction: column;
    gap: 12px;
  }

  .theme-option {
    min-width: 0;
  }

  .favorite-item {
    padding: 12px;
    gap: 12px;
    flex-wrap: wrap;
  }

  .favorite-image {
    width: 60px;
    height: 60px;
  }

  .favorite-info h4 {
    font-size: 14px;
  }

  .favorite-info p {
    font-size: 12px;
  }

  .btn-remove-favorite {
    padding: 8px;
  }

  .btn-remove-favorite svg {
    width: 18px;
    height: 18px;
  }

  .token-value {
    font-size: 22px;
  }

  .token-unit {
    font-size: 12px;
  }

  .token-info {
    font-size: 12px;
  }

  .login-ip-item {
    padding: 10px 12px;
    gap: 12px;
  }

  .ip-index {
    width: 24px;
    height: 24px;
    line-height: 24px;
    font-size: 11px;
  }

  .ip-address {
    font-size: 13px;
  }

  .ip-time {
    font-size: 11px;
  }

  .qr-code-container {
    padding: 16px;
  }

  .qr-code-container img,
  .qr-placeholder {
    width: 160px;
    height: 160px;
  }

  .key-value {
    font-size: 16px;
    letter-spacing: 3px;
  }

  .delete-account-form {
    margin-top: 16px;
  }

  .danger-zone {
    margin-top: 24px;
  }

  .toast {
    width: calc(100vw - 48px);
    max-width: 420px;
    padding: 14px 20px;
    font-size: 13px;
    letter-spacing: 1px;
  }
}

/* ==================== 响应式：6.7 英寸机型（约 430×932 CSS 像素，iPhone 15/14 Pro Max、Plus 等）==================== */
@media (max-width: 430px) {
  .profile-section {
    padding: 28px 0 56px;
  }

  .profile-card {
    padding: 24px 16px;
  }

  .profile-card .corner-tl,
  .profile-card .corner-tr,
  .profile-card .corner-bl,
  .profile-card .corner-br {
    width: 14px;
    height: 14px;
  }

  .avatar-large {
    width: 80px;
    height: 80px;
    font-size: 38px;
    margin-bottom: 14px;
  }

  .profile-name {
    font-size: 21px;
    letter-spacing: 2.5px;
  }

  .guest-badge {
    padding: 2px 9px;
    font-size: 11px;
  }

  .profile-bio {
    font-size: 13px;
    line-height: 1.6;
  }

  .form-card {
    padding: 22px 16px;
  }

  .form-card .corner-tl,
  .form-card .corner-tr,
  .form-card .corner-bl,
  .form-card .corner-br {
    width: 14px;
    height: 14px;
  }

  .form-card h3 {
    font-size: 21px;
    letter-spacing: 2.5px;
    margin-bottom: 22px;
    padding-bottom: 12px;
  }

  .form-group {
    margin-bottom: 18px;
  }

  .form-group label {
    font-size: 13px;
    margin-bottom: 7px;
    letter-spacing: 1.5px;
  }

  .form-group input[type="text"],
  .form-group input[type="email"],
  .form-group input[type="tel"],
  .form-group input[type="password"],
  .form-group textarea {
    padding: 11px 13px;
    font-size: 16px;
  }

  .checkbox-group {
    gap: 8px;
  }

  .checkbox-item {
    padding: 9px 5px;
    font-size: 12px;
    letter-spacing: 1px;
  }

  .option-group {
    gap: 8px;
  }

  .option-item {
    padding: 11px 7px;
    font-size: 13px;
    letter-spacing: 1px;
  }

  .form-actions {
    margin-top: 26px;
    padding-top: 18px;
  }

  .form-actions .btn-primary,
  .form-actions .btn-danger,
  .form-actions .btn-outline {
    padding: 13px 18px;
    font-size: 14px;
    letter-spacing: 2.5px;
  }

  #phone-bind-section .status-badge {
    padding: 4px 11px;
    font-size: 11px;
  }

  .phone-display {
    padding: 9px 13px;
    font-size: 13px;
  }

  .sms-group .sms-input-row {
    gap: 8px;
  }

  .sms-input-row input {
    padding: 11px 13px;
    font-size: 16px;
  }

  .btn-sms-code {
    padding: 11px 16px;
    font-size: 13px;
    letter-spacing: 2px;
  }

  .avatar-upload-wrapper {
    gap: 14px;
  }

  .avatar-upload-preview {
    width: 88px;
    height: 88px;
    font-size: 36px;
  }

  .model-mode-btn {
    padding: 7px 10px;
    font-size: 12px;
  }

  .favorite-item {
    padding: 10px;
    gap: 10px;
  }

  .favorite-image {
    width: 56px;
    height: 56px;
  }

  .favorite-info h4 {
    font-size: 13px;
  }

  .favorite-info p {
    font-size: 11px;
  }

  .btn-remove-favorite {
    padding: 7px;
  }

  .btn-remove-favorite svg {
    width: 16px;
    height: 16px;
  }

  .token-value {
    font-size: 20px;
  }

  .token-unit,
  .token-info {
    font-size: 11px;
  }

  .login-ip-item {
    padding: 9px 10px;
    gap: 10px;
  }

  .ip-index {
    width: 22px;
    height: 22px;
    line-height: 22px;
    font-size: 10px;
  }

  .ip-address {
    font-size: 12px;
  }

  .ip-time {
    font-size: 10px;
  }

  .key-value {
    font-size: 15px;
    letter-spacing: 3px;
  }

  .form-desc {
    font-size: 13px;
    margin-bottom: 20px;
    line-height: 1.6;
  }

  .danger-zone {
    margin-top: 20px;
  }

  .delete-account-form {
    margin-top: 14px;
  }

  .btn-danger {
    padding: 13px 22px;
    font-size: 14px;
    letter-spacing: 2.5px;
  }

  .toast {
    width: calc(100vw - 40px);
    max-width: 390px;
    padding: 12px 18px;
    font-size: 12px;
    letter-spacing: 1px;
    top: 80px;
  }
}

/* ==================== 响应式：6.4 英寸机型（约 412×915 CSS 像素，Pixel、Galaxy A系列、安卓主流中杯等）==================== */
@media (max-width: 412px) {
  .profile-card {
    padding: 22px 14px;
  }

  .avatar-large {
    width: 76px;
    height: 76px;
    font-size: 36px;
  }

  .profile-name {
    font-size: 20px;
    letter-spacing: 2px;
  }

  .form-card {
    padding: 20px 14px;
  }

  .form-card h3 {
    font-size: 20px;
    letter-spacing: 2px;
  }

  .form-group {
    margin-bottom: 16px;
  }

  .form-group label {
    font-size: 13px;
    margin-bottom: 6px;
  }

  .checkbox-item {
    padding: 8px 4px;
    font-size: 12px;
    letter-spacing: 0.5px;
  }

  .option-item {
    padding: 10px 6px;
    font-size: 13px;
    letter-spacing: 0.5px;
  }

  #phone-bind-section .status-badge {
    padding: 4px 10px;
    font-size: 10px;
  }

  .sms-input-row input {
    padding: 10px 12px;
  }

  .btn-sms-code {
    padding: 10px 14px;
    font-size: 13px;
    letter-spacing: 1.5px;
  }

  .form-actions .btn-primary,
  .form-actions .btn-danger,
  .form-actions .btn-outline {
    padding: 12px 16px;
    font-size: 14px;
    letter-spacing: 2px;
  }

  .phone-display {
    padding: 9px 12px;
    font-size: 13px;
  }

  .avatar-upload-preview {
    width: 84px;
    height: 84px;
    font-size: 34px;
  }

  .toast {
    width: calc(100vw - 32px);
    max-width: 380px;
    padding: 12px 16px;
    font-size: 12px;
    top: 76px;
  }

  .key-value {
    font-size: 15px;
    letter-spacing: 2.5px;
  }

  .login-ip-item {
    padding: 8px 10px;
    gap: 9px;
  }

  .favorite-item {
    padding: 10px;
    gap: 9px;
  }
}

/* ==================== 响应式：6.1 英寸机型（约 393×852 CSS 像素，iPhone 15/14/13 标准款等）==================== */
@media (max-width: 393px) {
  .profile-section {
    padding: 24px 0 48px;
  }

  .container {
    padding: 0 14px;
  }

  .profile-card {
    padding: 20px 14px;
    margin-bottom: 14px;
  }

  .avatar-large {
    width: 72px;
    height: 72px;
    font-size: 34px;
    margin-bottom: 12px;
  }

  .profile-name {
    font-size: 19px;
    letter-spacing: 2px;
  }

  .profile-bio {
    font-size: 13px;
    line-height: 1.5;
  }

  .form-card {
    padding: 18px 14px;
    margin-bottom: 14px;
  }

  .form-card h3 {
    font-size: 19px;
    letter-spacing: 2px;
    margin-bottom: 20px;
    padding-bottom: 10px;
  }

  .form-group {
    margin-bottom: 16px;
  }

  .form-group label {
    font-size: 12.5px;
    margin-bottom: 6px;
    letter-spacing: 1px;
  }

  .form-group input[type="text"],
  .form-group input[type="email"],
  .form-group input[type="tel"],
  .form-group input[type="password"],
  .form-group textarea {
    padding: 10px 12px;
    font-size: 16px;
  }

  .checkbox-group {
    gap: 6px;
  }

  .checkbox-item {
    padding: 8px 4px;
    font-size: 12px;
    letter-spacing: 0;
  }

  .option-item {
    padding: 10px 6px;
    font-size: 12px;
    letter-spacing: 0.5px;
  }

  .form-actions {
    margin-top: 24px;
    padding-top: 16px;
  }

  .form-actions .btn-primary,
  .form-actions .btn-danger,
  .form-actions .btn-outline {
    padding: 12px 16px;
    font-size: 14px;
    letter-spacing: 2px;
  }

  #phone-bind-section .status-badge {
    padding: 4px 10px;
    font-size: 10px;
  }

  .sms-group .sms-input-row {
    gap: 8px;
  }

  .sms-input-row input {
    padding: 10px 12px;
    font-size: 16px;
  }

  .btn-sms-code {
    padding: 10px 14px;
    font-size: 13px;
    letter-spacing: 1px;
  }

  .avatar-upload-wrapper {
    gap: 12px;
  }

  .avatar-upload-preview {
    width: 80px;
    height: 80px;
    font-size: 32px;
  }

  .model-mode-btn {
    padding: 6px 9px;
    font-size: 12px;
  }

  .favorite-item {
    padding: 9px;
    gap: 9px;
  }

  .favorite-image {
    width: 52px;
    height: 52px;
  }

  .favorite-info h4 {
    font-size: 13px;
  }

  .favorite-info p {
    font-size: 11px;
  }

  .token-value {
    font-size: 19px;
  }

  .login-ip-item {
    padding: 8px 9px;
    gap: 8px;
  }

  .ip-index {
    width: 22px;
    height: 22px;
    line-height: 22px;
    font-size: 10px;
  }

  .ip-address {
    font-size: 12px;
  }

  .ip-time {
    font-size: 10px;
  }

  .toast {
    width: calc(100vw - 28px);
    max-width: 365px;
    padding: 11px 14px;
    font-size: 12px;
    top: 72px;
  }
}

/* ==================== 响应式：极窄手机（<=380px） ==================== */
@media (max-width: 380px) {
  .form-card {
    padding: 20px 14px;
  }

  .checkbox-group {
    grid-template-columns: repeat(2, 1fr);
    gap: 8px;
  }

  .option-group {
    flex-direction: column;
  }

  .profile-name {
    font-size: 20px;
    letter-spacing: 2px;
  }

  .form-card h3 {
    font-size: 20px;
    letter-spacing: 2px;
  }

  .btn-sms-code {
    font-size: 13px;
    letter-spacing: 1px;
  }

  .model-mode-btn {
    min-width: 100%;
  }
}

/* ==================== 注销账户（危险区域） ==================== */
.danger-zone {
  border-color: rgba(220, 53, 69, 0.5);
  margin-top: 32px;
}

.danger-zone::before {
  background: linear-gradient(90deg, transparent, #dc3545, transparent);
}

.danger-zone h3 {
  color: #dc3545;
  border-bottom-color: #dc3545;
}

.danger-text {
  color: #dc3545;
  font-weight: 500;
}

.delete-account-form {
  margin-top: 24px;
}

.sms-group .sms-input-row {
  display: flex;
  gap: 12px;
}

.sms-input-row input {
  flex: 1;
  width: 100%;
  padding: 14px 18px;
  border: 1px solid rgba(212, 160, 74, 0.3);
  border-radius: 4px;
  font-family: var(--font-body);
  font-size: 15px;
  color: var(--ink-deep);
  background: var(--paper);
  transition: var(--transition);
}

.sms-input-row input:focus {
  outline: none;
  border-color: var(--gold);
  background: white;
  box-shadow: 0 0 0 3px rgba(212, 160, 74, 0.1);
}

.btn-sms-code {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 20px;
  background: linear-gradient(135deg, var(--gold-deep) 0%, var(--gold) 50%, var(--gold-light) 60%, var(--gold) 100%);
  border: none;
  border-radius: 4px;
  color: var(--ink-deep);
  font-family: var(--font-title);
  font-size: 14px;
  letter-spacing: 2px;
  cursor: pointer;
  transition: var(--transition);
  white-space: nowrap;
  min-width: 120px;
  box-shadow: var(--shadow-gold);
  position: relative;
  overflow: hidden;
}

.btn-sms-code::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
  transition: left 0.6s;
}

.btn-sms-code:hover:not(:disabled)::before {
  left: 100%;
}

.btn-sms-code:hover:not(:disabled) {
  background: linear-gradient(135deg, var(--gold), var(--gold-light));
  box-shadow: 0 15px 50px rgba(212, 160, 74, 0.45);
  transform: translateY(-3px);
}

.btn-sms-code:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
}

.btn-danger {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 16px 32px;
  background: linear-gradient(135deg, #dc3545, #c82333);
  border: none;
  border-radius: 4px;
  color: #fff;
  font-family: var(--font-title);
  font-size: 16px;
  letter-spacing: 3px;
  cursor: pointer;
  transition: var(--transition);
  box-shadow: 0 6px 20px rgba(220, 53, 69, 0.3);
}

.btn-danger:hover {
  background: linear-gradient(135deg, #c82333, #bd2130);
  box-shadow: 0 8px 25px rgba(220, 53, 69, 0.4);
  transform: translateY(-1px);
}

/* ==================== 主题选择 ==================== */
.theme-option-group {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
}

.theme-option {
  flex: 1;
  min-width: 160px;
  cursor: pointer;
}

.theme-option input {
  display: none;
}

.theme-preview {
  border: 2px solid rgba(212, 160, 74, 0.3);
  border-radius: 6px;
  padding: 16px 12px;
  cursor: pointer;
  transition: var(--transition);
  text-align: center;
  background: var(--paper);
}

.theme-preview:hover {
  border-color: var(--gold);
  transform: translateY(-2px);
  box-shadow: 0 4px 15px rgba(212, 160, 74, 0.2);
}

.theme-option input:checked + .theme-preview {
  border-color: var(--gold);
  background: linear-gradient(135deg, rgba(212, 160, 74, 0.15), rgba(212, 160, 74, 0.05));
  box-shadow: 0 0 0 3px rgba(212, 160, 74, 0.2);
}

body.theme-porcelain .theme-option input:checked + .theme-preview {
  border-color: #C8B288;
  box-shadow: 0 0 0 3px rgba(200,178,136,0.2);
}

.theme-preview-color {
  width: 100%;
  height: 60px;
  border-radius: 4px;
  margin-bottom: 12px;
  box-shadow: inset 0 2px 8px rgba(0,0,0,0.1);
}

.theme-preview span {
  font-size: 14px;
  font-weight: 500;
  font-family: var(--font-title);
  letter-spacing: 2px;
  color: var(--ink-deep);
}

/* ==================== 收藏列表 ==================== */
.favorites-list {
  margin-top: 24px;
}

.loading-state,
.empty-state {
  text-align: center;
  padding: 40px 20px;
  color: var(--ink-muted);
}

.loading-state svg,
.empty-state svg {
  color: var(--gold);
  margin-bottom: 16px;
  opacity: 0.6;
}

.loading-state p,
.empty-state p {
  margin: 0;
  font-size: 15px;
}

.empty-state .btn-outline {
  display: inline-block;
  margin-top: 16px;
}

.favorite-item {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 16px;
  background: var(--paper);
  border: 1px solid rgba(212, 160, 74, 0.2);
  border-radius: 8px;
  margin-bottom: 12px;
  transition: all 0.3s ease;
}

.favorite-item:hover {
  border-color: var(--gold);
  box-shadow: 0 4px 15px rgba(212, 160, 74, 0.15);
  transform: translateY(-2px);
}

.favorite-link {
  display: flex;
  align-items: center;
  gap: 16px;
  flex: 1;
  text-decoration: none;
  color: inherit;
}

.favorite-image {
  width: 80px;
  height: 80px;
  border-radius: 6px;
  overflow: hidden;
  flex-shrink: 0;
}

.favorite-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.favorite-info {
  flex: 1;
  min-width: 0;
}

.favorite-info h4 {
  margin: 0 0 6px;
  font-size: 16px;
  font-weight: 600;
  color: var(--ink-deep);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.favorite-location {
  margin: 0 0 4px;
  font-size: 13px;
  color: var(--ink-muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.favorite-type {
  margin: 0;
  font-size: 12px;
  color: var(--gold);
  background: rgba(212, 160, 74, 0.1);
  padding: 2px 8px;
  border-radius: 4px;
  display: inline-block;
}

.btn-remove-favorite {
  padding: 10px;
  background: transparent;
  border: 1px solid rgba(220, 53, 69, 0.3);
  border-radius: 6px;
  color: #dc3545;
  cursor: pointer;
  transition: all 0.3s ease;
  flex-shrink: 0;
}

.btn-remove-favorite:hover {
  background: rgba(220, 53, 69, 0.1);
  border-color: #dc3545;
}

/* ==================== Token 显示样式 ==================== */
.token-display {
  display: flex;
  align-items: baseline;
  gap: 4px;
}

.token-value {
  font-size: 28px;
  font-weight: 700;
  color: var(--gold-deep);
  font-family: var(--font-title);
}

.token-unit {
  font-size: 14px;
  color: var(--ink-muted);
}

.token-progress-bar {
  height: 8px;
  background: rgba(212, 160, 74, 0.2);
  border-radius: 4px;
  overflow: hidden;
  margin-top: 16px;
}

.token-progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--gold-deep) 0%, var(--gold) 100%);
  border-radius: 4px;
  transition: width 0.3s ease;
}

.token-info {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  margin-top: 8px;
  font-size: 13px;
  color: var(--ink-muted);
}

/* ==================== 账号设置样式 ==================== */
.account-setting-form {
  margin-top: 20px;
}

.form-row {
  display: flex;
  gap: 12px;
  align-items: center;
}

.form-row input {
  flex: 1;
}

.btn-sm {
  padding: 8px 16px;
  font-size: 13px;
}

/* ==================== 二维码样式 ==================== */
.qr-code-section {
  text-align: center;
  margin-top: 24px;
}

.qr-code-container {
  display: inline-block;
  background: #fff;
  border: 1px solid rgba(212, 160, 74, 0.3);
  border-radius: 8px;
  padding: 20px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
  margin-bottom: 20px;
}

.qr-code-container img {
  width: 200px;
  height: 200px;
  display: block;
}

.qr-placeholder {
  width: 200px;
  height: 200px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: var(--ink-muted);
  border: 2px dashed rgba(212, 160, 74, 0.3);
  border-radius: 8px;
}

.qr-placeholder svg {
  margin-bottom: 12px;
  opacity: 0.5;
}

.qr-placeholder p {
  margin: 0;
  font-size: 14px;
}

.qr-actions {
  display: flex;
  gap: 12px;
  justify-content: center;
  margin-top: 20px;
  flex-wrap: wrap;
}

.qr-hint {
  margin-top: 12px;
  font-size: 13px;
  color: #dc3545;
}

.one-time-key-display {
  background: linear-gradient(135deg, rgba(212, 160, 74, 0.15) 0%, rgba(212, 160, 74, 0.05) 100%);
  border: 1px dashed rgba(212, 160, 74, 0.4);
  border-radius: 8px;
  padding: 16px;
  margin-top: 12px;
}

.key-value {
  font-size: 20px;
  font-weight: 600;
  color: #d4a04a;
  letter-spacing: 4px;
  text-align: center;
  font-family: monospace;
}

.login-ips-list {
  margin-top: 20px;
}

.login-ip-item {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 12px 16px;
  border-radius: 6px;
  background: rgba(212, 160, 74, 0.05);
  border: 1px solid rgba(212, 160, 74, 0.15);
  margin-bottom: 8px;
  transition: all 0.3s;
}

.login-ip-item:hover {
  background: rgba(212, 160, 74, 0.1);
  border-color: rgba(212, 160, 74, 0.3);
}

.ip-index {
  width: 28px;
  height: 28px;
  line-height: 28px;
  text-align: center;
  background: linear-gradient(135deg, #d4a04a 0%, #f4d58d 100%);
  color: #0f2744;
  border-radius: 50%;
  font-size: 12px;
  font-weight: 600;
  flex-shrink: 0;
}

.ip-info {
  flex: 1;
}

.ip-address {
  font-size: 14px;
  font-weight: 500;
  color: #0f2744;
  font-family: monospace;
}

.ip-time {
  font-size: 12px;
  color: #486484;
  margin-top: 4px;
}
/* ==================== 移动端组件溢出修复 ==================== */

/* 基础box-sizing统一，避免padding把元素撑破 */
.profile-section,
.profile-section *,
.profile-section *::before,
.profile-section *::after {
  box-sizing: border-box;
}

/* 1) 平板（<=1080px）宽度统一修复 */
@media (max-width: 1080px) {
  .profile-section .container,
  .profile-layout,
  .profile-sidebar,
  .profile-main,
  .profile-card,
  .form-card,
  .danger-zone,
  .data-actions,
  .profile-tabs,
  .tab-content,
  .favorites-count,
  .login-history,
  .token-row,
  .section-header,
  .history-header,
  .tokens-header {
    width: 100% !important;
    max-width: 100% !important;
    box-sizing: border-box;
    overflow-x: hidden;
  }

  .form-group,
  .form-actions,
  .form-actions-multi,
  #phone-bind-section,
  #phone-unbind-form,
  .sms-group,
  .sms-input-row,
  .option-group,
  .checkbox-group,
  .avatar-actions,
  .phone-display {
    width: 100% !important;
    max-width: 100% !important;
    box-sizing: border-box;
  }

  .form-group input[type="text"],
  .form-group input[type="email"],
  .form-group input[type="tel"],
  .form-group input[type="password"],
  .form-group textarea,
  .btn-primary,
  .btn-outline,
  .btn-danger,
  .btn-sms-code,
  .btn-link,
  .avatar-actions button,
  .form-actions button,
  .form-actions-multi button {
    width: 100% !important;
    max-width: 100% !important;
    box-sizing: border-box;
    word-break: break-word;
    white-space: normal;
  }

  /* 表格/历史记录 横向滚动，避免撑破 */
  .login-history table,
  .login-history thead,
  .login-history tbody,
  .login-history-header,
  .history-row {
    max-width: 100%;
    box-sizing: border-box;
  }
  .login-history {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }
}

/* 2) 手机（<=768px）更严格的宽度约束 */
@media (max-width: 768px) {
  .profile-section {
    overflow-x: hidden;
  }
  .profile-section > .container {
    max-width: 100% !important;
    width: 100% !important;
    padding-left: 16px !important;
    padding-right: 16px !important;
  }
  .profile-card,
  .form-card,
  .danger-zone {
    margin-left: 0 !important;
    margin-right: 0 !important;
    padding: 24px 18px !important;
  }
  /* 防止长文本撑破容器（邮箱、电话） */
  .profile-bio,
  .profile-subtitle,
  .form-desc,
  .phone-number,
  .ip-address,
  .token-value,
  [class*="-email"],
  [class*="-phone"] {
    word-break: break-all;
    overflow-wrap: break-word;
    hyphens: auto;
  }
  /* 头像行必须在卡片内 */
  .profile-card .avatar-large {
    margin-left: auto !important;
    margin-right: auto !important;
  }
  /* 表单按钮纵向排列，不再横排超出 */
  .avatar-actions,
  .form-actions,
  .form-actions-multi,
  .sms-input-row,
  #phone-bind-section > div:first-child,
  .option-group {
    display: flex !important;
    flex-direction: column !important;
    align-items: stretch !important;
    gap: 10px !important;
  }
  .option-item,
  .checkbox-item {
    padding: 12px 10px !important;
    font-size: 13px !important;
    letter-spacing: 1px !important;
  }
}

/* 3) 6.7"机型（<=430px）进一步收紧 */
@media (max-width: 430px) {
  .profile-section > .container {
    padding-left: 14px !important;
    padding-right: 14px !important;
  }
  .profile-card,
  .form-card,
  .danger-zone {
    padding: 22px 16px !important;
  }
  .form-group {
    margin-bottom: 20px !important;
  }
  .form-group input[type="text"],
  .form-group input[type="tel"],
  .form-group input[type="email"],
  .form-group input[type="password"],
  .form-group textarea {
    padding: 11px 13px !important;
    font-size: 15px !important;
  }
}

/* 4) 6.4"机型（<=412px） */
@media (max-width: 412px) {
  .profile-section > .container {
    padding-left: 14px !important;
    padding-right: 14px !important;
  }
  .profile-card,
  .form-card,
  .danger-zone {
    padding: 20px 14px !important;
  }
  .checkbox-group {
    grid-template-columns: repeat(2, 1fr) !important;
    gap: 10px !important;
  }
  .option-group {
    gap: 10px !important;
  }
}

/* 5) 6.1"机型（<=393px）极限收紧 */
@media (max-width: 393px) {
  .profile-section > .container {
    padding-left: 12px !important;
    padding-right: 12px !important;
  }
  .profile-card,
  .form-card,
  .danger-zone {
    padding: 18px 14px !important;
  }
  .form-actions {
    margin-top: 28px !important;
    padding-top: 20px !important;
  }
  .checkbox-item,
  .option-item {
    padding: 10px 8px !important;
    font-size: 12px !important;
    letter-spacing: 0.5px !important;
  }
}

/* 6) 小屏（<=380px）安全兜底 */
@media (max-width: 380px) {
  .profile-section > .container {
    padding-left: 10px !important;
    padding-right: 10px !important;
  }
  .profile-card,
  .form-card,
  .danger-zone {
    padding: 16px 12px !important;
  }
  .form-card h3,
  .profile-name {
    letter-spacing: 1.5px !important;
  }
  .checkbox-group {
    grid-template-columns: repeat(2, 1fr) !important;
    gap: 8px !important;
  }
}