:root {
  --bg: #f7f8f4;
  --paper: #fff;
  --ink: #223a33;
  --muted: #849087;
  --green: #23634f;
  --line: #e5eae2;
  --soft: #edf3e9;
  --sidebar: 228px;
  font-family:
    -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei",
    sans-serif;
  color: var(--ink);
  background: var(--bg);
  font-synthesis: none;
  scroll-behavior: smooth;
}
* {
  box-sizing: border-box;
}
body {
  margin: 0;
}
button,
textarea {
  font: inherit;
}
button,
a,
summary {
  -webkit-tap-highlight-color: transparent;
}
button {
  cursor: pointer;
}
a {
  color: inherit;
  text-decoration: none;
}
button:focus-visible,
a:focus-visible,
summary:focus-visible {
  outline: 3px solid #93bb8c;
  outline-offset: 4px;
}
button {
  border: 0;
  background: none;
  color: inherit;
}
button:disabled {
  cursor: wait;
  opacity: 0.5;
}
.sidebar {
  position: fixed;
  inset: 0 auto 0 0;
  width: var(--sidebar);
  background: #f0f3ec;
  border-right: 1px solid #e1e6dc;
  padding: 34px 20px;
  display: flex;
  flex-direction: column;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 0 8px 48px;
}
.brand > span {
  font-size: 23px;
  font-weight: 750;
  letter-spacing: 2px;
}
.brand small {
  display: block;
  font-size: 8px;
  font-weight: 500;
  letter-spacing: 1.35px;
  margin-top: 7px;
  color: #7d8d7e;
}
.space-label {
  font-size: 10px;
  letter-spacing: 2px;
  color: #8e9a8d;
  margin: 0 16px 18px;
}
.nav-item {
  display: flex;
  align-items: center;
  width: 100%;
  padding: 14px;
  border-radius: 10px;
  font-size: 13px;
  text-align: left;
  gap: 12px;
  margin-bottom: 8px;
  color: #7b887c;
}
.nav-item.selected {
  background: #e0eadb;
  color: #2d6148;
  font-weight: 650;
}
.nav-item:hover {
  background: #e5ecdf;
}
.nav-symbol {
  font-size: 19px;
  line-height: 1;
  width: 20px;
  text-align: center;
}
.nav-dot {
  width: 6px;
  height: 6px;
  background: #5b8c5a;
  border-radius: 50%;
  margin-left: auto;
}
.sidebar-note {
  position: relative;
  margin: 50px 14px 25px;
  padding-top: 24px;
  border-top: 1px solid #dce4d7;
}
.tiny-label {
  font-size: 9px;
  letter-spacing: 2px;
  color: #8f9c88;
}
.sidebar-note p {
  font-family: Georgia, "Songti SC", serif;
  font-size: 22px;
  line-height: 1.9;
  color: #64735d;
  letter-spacing: 1px;
  margin: 14px 0;
}
.subject-latin {
  font-family: Georgia, serif;
  font-style: italic;
  font-size: 11px;
  color: #8c9a82;
}
.mini-beans {
  display: flex;
  gap: 3px;
  transform: rotate(-16deg);
  margin: 30px 0 0 14px;
}
.mini-beans i {
  width: 23px;
  height: 36px;
  background: #cbd9bd;
  border-radius: 65% 35% 35% 65%;
}
.mini-beans i + i {
  transform: rotate(180deg);
  background: #dbe4cf;
}
.sidebar-bottom {
  margin-top: auto;
  font-size: 10px;
  color: #7d8a77;
  padding-left: 10px;
  line-height: 2;
}
.sidebar-bottom small {
  display: block;
  color: #a0aa97;
  font-size: 10px;
  padding-left: 13px;
}
.course-dot {
  display: inline-block;
  width: 5px;
  height: 5px;
  background: #87a778;
  border-radius: 50%;
  margin-right: 7px;
}
main {
  margin-left: var(--sidebar);
  padding: 0 42px 20px;
  max-width: 1600px;
}
.topbar {
  height: 87px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 11px;
  color: #879084;
}
.topbar strong {
  font-weight: 500;
  color: #556451;
}
.breadcrumb {
  margin: 0 13px;
  color: #b6beb1;
}
.course-tag {
  font-size: 9px;
  letter-spacing: 1.7px;
  color: #8b9782;
}
.hero {
  min-height: 260px;
  background: #eaf0e2;
  border: 1px solid #e0e9d7;
  border-radius: 18px;
  display: flex;
  overflow: hidden;
  position: relative;
  padding: 32px 35px;
}
.hero-copy {
  z-index: 1;
  flex: 1;
}
.eyebrow {
  display: flex;
  align-items: center;
  gap: 7px;
  font-size: 10px;
  letter-spacing: 2px;
  color: #68805d;
}
.eyebrow i {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: #7b9b65;
}
h1 {
  font-size: clamp(28px, 2.6vw, 40px);
  font-weight: 600;
  letter-spacing: -1.3px;
  line-height: 1.3;
  margin: 19px 0 13px;
}
h1 span {
  color: #376b47;
}
.hero-copy > p {
  font-size: 12px;
  line-height: 1.9;
  color: #7a8970;
  letter-spacing: 0.3px;
  margin: 0;
}
.hero-tags {
  display: flex;
  gap: 8px;
  margin-top: 20px;
}
.hero-tags span {
  background: #f6f9f0;
  border: 1px solid #dce6d1;
  border-radius: 5px;
  padding: 5px 9px;
  font-size: 9px;
  color: #76866a;
}
.hero-art {
  position: relative;
  width: 320px;
  flex-shrink: 0;
  min-height: 205px;
}
.orbit {
  position: absolute;
  border: 1px solid #dce6d0;
  border-radius: 50%;
  width: 210px;
  height: 210px;
  left: 57px;
  top: -5px;
}
.orbit-two {
  width: 255px;
  height: 255px;
  left: 34px;
  top: -28px;
}
.bean {
  position: absolute;
  top: 36px;
  width: 72px;
  height: 111px;
  background: #92b884;
  box-shadow:
    inset 8px 0 14px #a4c298,
    inset -5px -5px 8px #7c9f6c,
    4px 12px 17px #597e3a16;
  transform: rotate(-18deg);
}
.bean-left {
  left: 83px;
  border-radius: 70% 36% 36% 70%;
}
.bean-right {
  left: 166px;
  border-radius: 36% 70% 70% 36%;
  background: #b2cb96;
  box-shadow:
    inset 8px 0 14px #bed6a4,
    inset -5px -5px 8px #a0b989;
  transform: rotate(12deg);
}
.eye {
  position: absolute;
  width: 4px;
  height: 6px;
  border-radius: 50%;
  background: #3f6042;
  top: 49px;
}
.eye-one {
  left: 28px;
}
.eye-two {
  left: 43px;
}
.cheek {
  position: absolute;
  top: 63px;
  left: 20px;
  width: 10px;
  height: 5px;
  border-radius: 50%;
  background: #d9b19b99;
}
.art-spark {
  position: absolute;
  color: #8ba875;
  font-size: 19px;
}
.spark-one {
  left: 50px;
  top: 41px;
}
.spark-two {
  right: 43px;
  top: 109px;
}
.art-caption {
  position: absolute;
  top: 176px;
  left: 84px;
  font-size: 10px;
  letter-spacing: 1px;
  color: #81936f;
}
.art-label {
  position: absolute;
  top: 10px;
  right: 3px;
  border: 1px solid #d7e1cc;
  color: #8b9c7d;
  font:
    italic 10px Georgia,
    serif;
  padding: 7px 11px;
  border-radius: 20px;
  transform: rotate(7deg);
  background: #f1f5e9;
}
.workspace {
  display: grid;
  grid-template-columns: 290px minmax(0, 1fr);
  gap: 24px;
  margin-top: 28px;
  align-items: start;
}
.section-title {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin: 0 0 16px;
}
.section-title h2 {
  font-size: 14px;
  margin: 0;
  font-weight: 600;
}
.section-title > span {
  font-size: 9px;
  color: #9aa38f;
}
.topic-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 9px;
}
.topic-card {
  position: relative;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 14px;
  text-align: left;
  background: #fbfcf9;
  transition:
    background 0.15s,
    border 0.15s;
  min-height: 100px;
}
.topic-card:hover {
  border-color: #b7caaa;
}
.topic-card.active {
  border-color: #b9cda8;
  background: #edf3e7;
}
.topic-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 13px;
  color: #9eab93;
  font-size: 10px;
}
.topic-card.active .topic-top {
  color: #7f9a6a;
}
.topic-card strong {
  display: block;
  font-size: 12px;
  font-weight: 550;
}
.topic-card small {
  display: block;
  font-size: 9px;
  color: #94a087;
  margin-top: 7px;
}
.knowledge-detail {
  margin-top: 16px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #fff;
  padding: 20px;
}
.detail-kicker {
  font-size: 9px;
  letter-spacing: 1px;
  color: #8c9f7e;
}
.knowledge-detail h3 {
  font-size: 16px;
  font-weight: 550;
  margin: 12px 0;
}
.knowledge-detail p,
.knowledge-detail li {
  font-size: 11px;
  line-height: 1.95;
  color: #7b8972;
}
.knowledge-detail ul {
  padding-left: 15px;
  margin: 10px 0;
}
.detail-ask {
  font-size: 10px;
  color: var(--green);
  margin-top: 5px;
  padding: 7px 0;
  display: flex;
  justify-content: space-between;
  width: 100%;
  border-top: 1px solid #edf0e8;
}
.sources {
  padding: 16px 2px;
  color: #919c87;
  font-size: 10px;
}
.sources summary {
  list-style: none;
  display: flex;
  justify-content: space-between;
  cursor: pointer;
}
.sources p {
  line-height: 1.8;
  font-size: 10px;
}
.sources a {
  display: block;
  font-size: 10px;
  line-height: 2.2;
  color: #648269;
  text-decoration: underline;
  text-underline-offset: 3px;
}
.chat-panel {
  background: var(--paper);
  border: 1px solid #e1e7dc;
  border-radius: 14px;
  overflow: hidden;
  box-shadow: 0 4px 20px #29411b03;
  display: flex;
  flex-direction: column;
  height: 650px;
}
.chat-header {
  padding: 18px 22px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid #edf0e9;
  gap: 8px;
}
.chat-title-wrap {
  display: flex;
  gap: 10px;
  align-items: center;
}
.avatar {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.avatar img {
  border-radius: 10px;
}
.chat-header h2 {
  font-size: 13px;
  font-weight: 550;
  margin: 0 0 6px;
}
.connection-status {
  font-size: 9px;
  color: #8e9e82;
}
.connection-status::before {
  content: "";
  display: inline-block;
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: #a2ad99;
  margin: 0 5px 2px 0;
}
.connection-status.configured::before {
  background: #7b9b61;
}
.connection-status.unavailable {
  color: #a77852;
}
.text-button {
  font-size: 12px;
  color: #94a188;
  white-space: nowrap;
  padding: 7px;
}
.text-button span {
  font-size: 10px;
  margin-left: 3px;
}
.chat-messages {
  flex: 1;
  overflow-y: auto;
  padding: 25px 24px 15px;
  scrollbar-width: thin;
  scrollbar-color: #d5dfcf transparent;
  overscroll-behavior: contain;
}
.welcome-label {
  font-size: 9px;
  color: #a2ac99;
  text-align: center;
  margin: 0 0 24px;
  letter-spacing: 1px;
}
.message {
  display: flex;
  gap: 9px;
  margin: 0 0 19px;
}
.message > .avatar {
  align-self: flex-start;
  margin-top: 1px;
}
.message-content {
  min-width: 0;
  max-width: calc(100% - 36px);
  flex: 1;
}
.speaker {
  font-size: 9px;
  color: #94a08b;
  margin: 0 0 7px;
}
.message-body {
  font-size: 12px;
  line-height: 1.95;
  color: #65755d;
  overflow-wrap: anywhere;
}
.message-body p {
  margin: 0 0 9px;
}
.message-body p:last-child {
  margin-bottom: 0;
}
.message-body strong {
  font-weight: 600;
  color: #3b6548;
}
.message-body ul,
.message-body ol {
  padding-left: 20px;
  margin: 6px 0;
}
.message-body h3 {
  font-size: 13px;
  margin: 10px 0 6px;
  font-weight: 600;
}
.message.assistant .message-body {
  padding: 15px 17px;
  background: #f4f7ef;
  border: 1px solid #e9efdf;
  border-radius: 0 12px 12px;
}
.message.user {
  justify-content: flex-end;
}
.message.user .message-content {
  flex: initial;
  max-width: 88%;
}
.message.user .speaker {
  text-align: right;
}
.message.user .message-body {
  padding: 10px 15px;
  background: #e6eee0;
  color: #48613d;
  border-radius: 12px 0 12px 12px;
  white-space: pre-wrap;
}
.suggestions {
  margin: 0 0 0 41px;
  display: grid;
  gap: 7px;
}
.suggestions button {
  border: 1px solid #e9eee1;
  background: #fff;
  text-align: left;
  border-radius: 7px;
  padding: 10px 12px;
  color: #859477;
  font-size: 10px;
  display: flex;
  justify-content: space-between;
  gap: 8px;
}
.suggestions button:hover {
  background: #f5f8ef;
  border-color: #cbd9bc;
}
.suggestion-label {
  font-size: 9px;
  color: #a2ad97;
  margin-bottom: 4px;
}
.chat-footer {
  margin-top: auto;
  padding: 0 20px 12px;
  background: #fff;
}
.composer-modes {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 12px 0;
}
.mode {
  padding: 5px 9px;
  font-size: 10px;
  border-radius: 5px;
  color: #9aa68f;
}
.mode.active {
  background: #edf3e7;
  color: #587645;
}
.composer-modes > span {
  margin-left: auto;
  font-size: 8px;
  color: #b2bba8;
}
#chat-form {
  border: 1px solid #dfe7d7;
  border-radius: 10px;
  padding: 12px 12px 8px;
  transition: border-color 0.15s;
}
#chat-form:focus-within {
  border-color: #9fbc88;
  box-shadow: 0 0 0 3px #c9dcb528;
}
textarea {
  display: block;
  width: 100%;
  resize: none;
  border: 0;
  outline: 0;
  color: #506149;
  background: none;
  font-size: 11px;
  line-height: 1.8;
  min-height: 44px;
  max-height: 120px;
}
textarea::placeholder {
  color: #acb5a2;
}
.composer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.composer-bottom > span {
  font-size: 8px;
  color: #b0b9a6;
}
.send-button {
  height: 30px;
  width: 30px;
  background: #386e4a;
  color: #fff;
  border-radius: 7px;
  font-size: 22px;
  line-height: 1;
}
.send-button:hover {
  background: #24593a;
}
.send-button.stopping {
  font-size: 15px;
  background: #7c8b70;
}
.chat-disclaimer {
  font-size: 8px;
  color: #aab39f;
  text-align: center;
  line-height: 1.8;
  margin: 9px 0 0;
}
.page-footer {
  display: flex;
  justify-content: space-between;
  font-size: 9px;
  color: #a5ae9b;
  padding: 24px 0 0;
}
.page-footer > span:last-child {
  font-size: 8px;
  letter-spacing: 1px;
}
.message-actions {
  display: flex;
  gap: 10px;
  margin-top: 6px;
}
.message-actions button {
  font-size: 9px;
  color: #8b9c7b;
  padding: 3px;
}
.message-error {
  color: #ad7759;
  font-size: 10px;
  line-height: 1.8;
  margin-top: 8px;
}
.typing::after {
  content: "";
  display: inline-block;
  width: 5px;
  height: 12px;
  background: #8aa473;
  margin-left: 5px;
  vertical-align: middle;
  animation: blink 1s infinite;
}
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}
@keyframes blink {
  50% {
    opacity: 0;
  }
}
@media (min-width: 1450px) {
  main {
    padding-left: 58px;
    padding-right: 58px;
  }
  .workspace {
    grid-template-columns: 320px minmax(0, 1fr);
    gap: 30px;
  }
  .hero {
    padding-left: 40px;
  }
  .chat-panel {
    height: 690px;
  }
}
@media (max-width: 1150px) {
  :root {
    --sidebar: 195px;
  }
  main {
    padding-left: 25px;
    padding-right: 25px;
  }
  .sidebar {
    padding-left: 12px;
    padding-right: 12px;
  }
  .hero-art {
    width: 255px;
    transform: scale(0.9);
    transform-origin: center right;
  }
  .hero {
    padding: 26px;
  }
  .workspace {
    grid-template-columns: 235px minmax(0, 1fr);
    gap: 18px;
  }
  .topic-card {
    padding: 12px;
  }
  .section-title > span {
    display: none;
  }
  .chat-header {
    padding: 16px;
  }
  .chat-messages {
    padding: 22px 16px;
  }
  .chat-footer {
    padding: 0 14px 12px;
  }
  .composer-modes > span {
    display: none;
  }
}
@media (max-width: 900px) {
  :root {
    --sidebar: 0px;
  }
  .sidebar {
    display: none;
  }
  main {
    max-width: 850px;
    margin: 0 auto;
  }
  .topbar {
    height: 65px;
  }
  .hero {
    min-height: 240px;
  }
  .workspace {
    grid-template-columns: 235px minmax(0, 1fr);
  }
}
@media (max-width: 650px) {
  main {
    padding: 0 16px 18px;
  }
  .topbar {
    font-size: 10px;
    height: 58px;
  }
  .course-tag {
    font-size: 7px;
    letter-spacing: 1px;
  }
  .hero {
    padding: 24px 21px;
    min-height: 235px;
    border-radius: 14px;
  }
  .hero-copy {
    max-width: 100%;
  }
  h1 {
    font-size: 29px;
    letter-spacing: -1px;
    white-space: nowrap;
  }
  .hero-copy > p {
    font-size: 10px;
    max-width: 275px;
  }
  .hero-art {
    display: none;
  }
  .hero-tags {
    margin-top: 18px;
    gap: 5px;
  }
  .hero-tags span {
    font-size: 8px;
    padding: 4px 7px;
  }
  .eyebrow {
    font-size: 9px;
  }
  .workspace {
    display: flex;
    flex-direction: column;
    gap: 20px;
    margin-top: 22px;
  }
  .knowledge-column {
    width: 100%;
  }
  .section-title {
    margin-bottom: 12px;
  }
  .section-title > span {
    display: block;
  }
  .topic-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 7px;
  }
  .topic-card {
    padding: 10px;
    min-height: 82px;
  }
  .topic-top {
    margin-bottom: 9px;
    font-size: 8px;
  }
  .topic-card strong {
    font-size: 10px;
  }
  .topic-card small {
    font-size: 8px;
    margin-top: 5px;
  }
  .knowledge-detail {
    padding: 17px;
    margin-top: 10px;
  }
  .knowledge-detail h3 {
    font-size: 14px;
    margin: 9px 0;
  }
  .knowledge-detail p,
  .knowledge-detail li {
    font-size: 10px;
    line-height: 1.85;
  }
  .sources {
    padding: 14px 2px 0;
  }
  .chat-panel {
    order: -1;
    width: 100%;
    height: 650px;
    scroll-margin-top: 12px;
  }
  .chat-messages {
    padding: 20px 15px;
  }
  .chat-header {
    padding: 16px;
  }
  .chat-header h2 {
    font-size: 12px;
  }
  .message-body {
    font-size: 11px;
  }
  .message.assistant .message-body {
    padding: 12px 14px;
  }
  .suggestions {
    margin-left: 39px;
  }
  .suggestions button {
    font-size: 9px;
  }
  .page-footer {
    font-size: 8px;
    gap: 15px;
    line-height: 1.8;
  }
  .page-footer > span:last-child {
    font-size: 7px;
    max-width: 120px;
    text-align: right;
  }
  .chat-footer {
    padding: 0 12px 10px;
  }
  .chat-disclaimer {
    font-size: 7px;
  }
  textarea {
    font-size: 16px;
  }
  .composer-bottom > span {
    font-size: 7px;
  }
}
@media (prefers-reduced-motion: reduce) {
  :root {
    scroll-behavior: auto;
  }
  .typing::after {
    animation: none;
  }
  * {
    transition: none !important;
  }
}

/* 固定问答与本地题库 */
.local-choices,
.quiz-options {
  display: grid;
  gap: 7px;
  margin-top: 10px;
}
.local-choices button,
.quiz-options button {
  border: 1px solid #e0e8d7;
  background: #fbfdf8;
  text-align: left;
  border-radius: 7px;
  padding: 10px 12px;
  color: #69805b;
  font-size: 11px;
  line-height: 1.7;
}
.local-choices button:hover,
.quiz-options button:hover {
  background: #edf3e7;
  border-color: #bdcfae;
}
.quiz-options button:disabled {
  opacity: 0.55;
  cursor: default;
}
.next-quiz {
  border-radius: 7px;
  padding: 9px 12px;
  background: #e7efdf;
  color: #456c37;
  font-size: 11px;
  margin-top: 10px;
}
.answer-sources {
  display: flex;
  flex-wrap: wrap;
  gap: 5px 10px;
  margin-top: 8px;
}
.answer-sources a {
  font-size: 9px;
  color: #8b9e7b;
  text-decoration: underline;
  text-underline-offset: 3px;
  line-height: 1.8;
}
.question-bank {
  margin-top: 36px;
  padding-top: 26px;
  border-top: 1px solid var(--line);
  scroll-margin-top: 20px;
}
.question-bank .section-title h2 {
  font-size: 19px;
}
.bank-intro {
  font-size: 12px;
  color: #8b9a7e;
  line-height: 1.9;
}
.bank-search {
  width: 100%;
  border: 1px solid #dce5d4;
  border-radius: 8px;
  background: #fff;
  color: #506149;
  font: inherit;
  font-size: 12px;
  padding: 13px 15px;
  margin-top: 6px;
}
.bank-search:focus {
  outline: 2px solid #b7cba7;
  outline-offset: 2px;
}
.bank-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  margin: 14px 0 19px;
}
.bank-filter {
  border: 1px solid #e2e9da;
  border-radius: 6px;
  padding: 7px 10px;
  font-size: 10px;
  color: #8b9a7d;
}
.bank-filter[aria-pressed="true"] {
  background: #e3edda;
  color: #496b3e;
  border-color: #c4d6b3;
}
.faq-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  align-items: start;
}
.faq-item {
  padding: 18px 20px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #fff;
}
.faq-item summary {
  list-style: none;
  cursor: pointer;
}
.faq-item summary::-webkit-details-marker {
  display: none;
}
.faq-item summary small {
  display: block;
  font-size: 9px;
  color: #93a082;
  margin-bottom: 9px;
}
.faq-item summary strong {
  font-size: 12px;
  font-weight: 550;
  line-height: 1.8;
}
.faq-item summary::after {
  content: "+";
  float: right;
  color: #94aa82;
  margin-left: 8px;
}
.faq-item[open] summary::after {
  content: "−";
}
.faq-answer {
  font-size: 12px;
  color: #7c8b70;
  line-height: 1.9;
  margin-top: 14px;
  border-top: 1px solid #edf1e7;
}
@media (max-width: 650px) {
  .faq-grid {
    grid-template-columns: 1fr;
  }
  .bank-search {
    font-size: 16px;
  }
  .question-bank .section-title h2 {
    font-size: 16px;
  }
  .local-choices button,
  .quiz-options button {
    font-size: 10px;
  }
}