:root {
  --canvas: #f3f1eb;
  --paper: #fffdf8;
  --wash: #ede9de;
  --ink: #283633;
  --muted: #5a6660;
  --green: #23443b;
  --green-light: #34574b;
  --bronze: #926b4d;
  --line: #ddd6c7;
  --gap: clamp(12px, 2.1vw, 24px);
  --serif: "Songti SC", SimSun, Georgia, serif;
  --sans: "Instrument Sans", "Microsoft YaHei", "PingFang SC", Arial, sans-serif;
}

html {
  background: var(--canvas);
}

body {
  color: var(--ink);
  background: var(--canvas);
  font: 15px/1.65 var(--sans);
}

body > .hide:has(> img[src="/Template/tsinghuaguwan/img/wx.jpg"]) {
  display: none !important;
}

body > .container,
body > .container *,
body > .fixed-bottom,
body > .fixed-bottom * {
  box-sizing: border-box;
}

body > .container:has(> .header > .banner) {
  width: min(1160px, calc(100% - 2 * var(--gap)));
  margin: var(--gap) auto 0;
  overflow: visible;
}

.container a:focus-visible,
.container :is(input, textarea, select):focus-visible,
.fixed-bottom a:focus-visible {
  outline: 2px solid var(--bronze);
  outline-offset: 2px;
}

.container > .header,
.container .header > :is(.banner, .nav) {
  width: 100%;
  height: auto;
}

.container > .header {
  border-top: 3px solid var(--bronze);
  background: var(--paper);
}

.container .banner img,
.container > .ad-img img {
  display: block;
  width: 100%;
  height: auto;
}

.container .header > .nav {
  border-bottom: 1px solid var(--bronze);
  background: var(--green);
}

.container .header > .nav ul {
  display: grid;
  grid-template-columns: repeat(8, minmax(0, 1fr));
  margin: 0;
}

.container .header > .nav ul:has(> li:nth-child(7):last-child) {
  grid-template-columns: repeat(7, minmax(0, 1fr));
}

.container .header > .nav li {
  float: none;
  width: auto;
  min-width: 0;
  margin: 0;
}

.container .header > .nav li > a {
  display: grid;
  min-height: 50px;
  height: 100%;
  padding: 7px 3px;
  place-items: center;
  border: 0;
  border-inline-end: 1px solid #fff2;
  color: #fff;
  font: 650 15px/1.25 var(--sans);
  text-align: center;
  overflow-wrap: anywhere;
  transition: background-color .16s ease;
}

.container .header > .nav li:last-child > a,
.container .header > .nav li > a:is(:hover, :focus-visible) {
  color: #fff;
  background: var(--green-light);
  text-decoration: none;
}

.container .header > .nav a:focus-visible,
.fixed-bottom a:focus-visible {
  outline-color: #fff;
  outline-offset: -3px;
}

.container > :is(.slide, .main, .mst-js, .ad-img) {
  width: 100%;
  height: auto;
  margin: var(--gap) 0 0;
}

.container > .ad-img {
  background: transparent;
}

.container .slide > .picture {
  display: block;
  container-type: inline-size;
  float: none;
  width: 100%;
  height: auto;
  aspect-ratio: 655 / 250;
  margin: 0 0 var(--gap);
  overflow: hidden;
  border: 0;
  background: var(--wash);
}

.container .picture > :is(.mF_liuzg_wrap, [id^="myFocus"]) {
  width: 655px;
  height: 250px;
  margin: 0 auto;
}

@supports (zoom: calc(100cqw / 655px)) {
  .container .picture > :is(.mF_liuzg_wrap, [id^="myFocus"]) {
    zoom: calc(100cqw / 655px);
  }
}

@supports not (zoom: calc(100cqw / 655px)) {
  @media (max-width: 720px) {
    .container .slide > .picture { display: none; }
  }
}

.container .picture > [id^="myFocus"]:not(.mF_liuzg) .pic li:nth-child(n + 2) {
  display: none;
}

.container .picture .mF_liuzg .num li.current {
  background-color: var(--green);
}

.container :is(.slide > .about-bd, .jianzhang, .master, .jianshang, .content .content-left, .content .content-right) {
  float: none;
  width: auto;
  min-width: 0;
  height: auto;
}

.container :is(.slide > .about-bd, .jianzhang, .master, .jianshang, .content-left,
  .content-right > .tuijian, .content-right > .news, .content-right > .liucheng) {
  border: 0;
  border-top: 2px solid var(--bronze);
  background: var(--paper);
}

.container :is(.about-bd, .jianzhang, .master, .jianshang) > h2,
.container .content-right > div > h3 {
  min-height: 48px;
  margin: 0;
  padding: 12px 16px;
  border: 0;
  border-bottom: 1px solid var(--line);
  color: var(--green);
  background: var(--wash);
  font: 700 21px/1.3 var(--serif);
}

.container :is(.about-bd, .jianzhang, .master, .jianshang) > h2 > p {
  float: none;
  margin: 0;
  padding: 0 58px 0 0;
  border: 0;
  background: none;
}

.container :is(h2, h3) a {
  color: inherit;
}

.container .more {
  top: 9px;
  right: 12px;
  padding: 0;
}

.container .more a {
  display: inline-block;
  padding: 5px;
  color: var(--muted);
}

.container :is(.about-bd, .master, .jianshang) > ul {
  padding: 0 16px 6px;
}

.container .about-bd li a,
.container .content-right li > a {
  display: block;
  min-width: 0;
  padding: 9px 0;
  border-bottom: 1px solid var(--line);
  color: var(--ink);
  line-height: 1.5;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.container .content-right li > a {
  padding: 9px 15px;
}

.container :is(.about-bd, .jianzhang, .mst-js, .content-right) li:last-child,
.container :is(.about-bd, .content-right) li:last-child > a {
  border-bottom: 0;
}

.container .jianzhang li,
.container .mst-js li {
  display: flex;
  align-items: baseline;
  gap: 10px;
  min-width: 0;
  padding: 9px 16px;
  border-bottom: 1px solid var(--line);
}

.container .mst-js li {
  padding-inline: 0;
}

.container .jianzhang .course-name,
.container .mst-js li > a {
  float: none;
  flex: 1 1 0;
  width: auto;
  min-width: 0;
  padding: 0;
  color: var(--ink);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.container .jianzhang :is(.course-time, .course-place, .course-fee, .course-download),
.container .mst-js li > span {
  float: none;
  flex: 0 0 auto;
  width: auto;
  color: var(--muted);
  white-space: nowrap;
}

.container .jianzhang .course-download a {
  color: var(--green);
  text-decoration: underline;
  text-underline-offset: .18em;
}

.container :is(.about-bd, .jianzhang, .mst-js, .content-right) li a:is(:hover, :focus-visible),
.container .course-item h2 a:is(:hover, :focus-visible) {
  color: var(--green);
  text-decoration: underline;
  text-underline-offset: .2em;
}

.container > .mst-js,
.container > .content {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--gap);
}

.container > :is(.mst-js, .content, .main)::before,
.container > :is(.mst-js, .content, .main)::after {
  content: none;
}

.container > .content {
  grid-template-columns: minmax(0, 2.35fr) minmax(212px, 1fr);
  align-items: start;
}

.container > .current-place {
  margin: var(--gap) 0 12px;
  padding: 8px 12px;
  border-radius: 0;
  color: var(--muted);
  background: var(--wash);
  font: 14px/1.6 var(--sans);
  overflow-wrap: anywhere;
}

.container .current-place .cut {
  margin: 0 5px;
}

.container .content .content-left {
  padding: clamp(15px, 3vw, 32px);
}

.container .content-left > h1 {
  margin: 0 0 16px;
  color: var(--ink);
  font: 700 clamp(23px, 3.1vw, 34px)/1.42 var(--serif);
  text-align: center;
  overflow-wrap: anywhere;
}

.container .content .course-item {
  margin: 0;
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
  overflow-wrap: anywhere;
}

.container .content .course-item:first-child {
  padding-top: 0;
}

.container .course-item h2 {
  margin: 0 0 5px;
  padding: 0;
  color: var(--ink);
  background: none;
  font: 700 clamp(18px, 2vw, 23px)/1.42 var(--serif);
}

.container .course-item h2 a {
  color: inherit;
}

.container .course-item .intro {
  color: var(--muted);
  font: 15px/1.65 var(--sans);
}

.container .course-tit {
  margin: 12px 0 20px;
  padding: 10px;
  border-color: var(--line);
  color: var(--muted);
  background: var(--wash);
  line-height: 1.7;
  overflow-wrap: anywhere;
}

.container .course-tit span {
  margin-inline-end: 8px;
}

.container .course-tit a {
  display: inline-block;
  min-height: 36px;
  margin: 3px;
  padding: 6px 14px;
  color: #fff;
  background: var(--green);
}

.container .course-content {
  max-width: 100%;
  margin: 0;
  color: var(--ink);
  font: 16px/1.8 var(--sans);
  overflow-wrap: anywhere;
}

.container .course-content :is(img, iframe, video) {
  max-width: 100%;
}

.container .course-content img {
  height: auto !important;
}

.container .content-right > div {
  margin: 0 0 var(--gap);
}

.container .liucheng p {
  padding: 8px 15px;
  color: var(--muted);
  font: 14px/1.65 var(--sans);
}

.container .fengye {
  max-width: 100%;
  margin-top: 16px;
  color: var(--muted);
  line-height: 2.1;
  overflow-wrap: anywhere;
}

.container .fengye a {
  display: inline-block;
  min-height: 28px;
  margin: 1px;
  padding: 0 6px;
  border: 1px solid var(--line);
  color: var(--green);
  white-space: nowrap;
}

.container .fengye select {
  max-width: 100%;
}

.container #gw-registration,
.container #gw-registration .gw-grid,
.container #gw-registration .gw-grid > div {
  max-width: 100%;
  min-width: 0;
}

.container .web-container > .sign-up {
  width: min(100%, 920px);
  padding: clamp(12px, 3vw, 28px);
  border-top: 2px solid var(--bronze);
  background: var(--paper);
}

.container .sign-up #form-bmb h3 {
  padding: 10px 14px;
  color: var(--green);
  background: var(--wash);
  font: 700 19px/1.4 var(--serif);
}

.container .sign-up #form-bmb :is(.item, .item-other) {
  width: 100%;
  padding: 10px 0;
}

.container .sign-up #form-bmb :is(input[type="text"], textarea) {
  max-width: min(100% - 135px, 580px);
  min-height: 38px;
  padding: 6px 8px;
  color: var(--ink);
  background: #fff;
  font: inherit;
}

.container .sign-up #form-bmb #tijiao {
  max-width: 100%;
  min-height: 42px;
  background: var(--green);
}

.container > .footer {
  display: block;
  margin: var(--gap) 0 0;
  padding: 12px 10px 16px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font: 14px/1.65 var(--sans);
  overflow-wrap: anywhere;
}

.container > .footer p {
  margin: 5px 0;
  padding: 0;
}

@media (min-width: 900px) {
  .container:has(> .slide > .picture):has(> .main > .jianzhang) {
    display: grid;
    grid-template-columns: minmax(0, 2fr) minmax(0, 1fr);
    grid-template-areas:
      "header header"
      "picture news"
      "courses news"
      "artwork artwork"
      "topics topics"
      "footer footer";
    grid-template-rows: auto auto 1fr;
    align-items: start;
    gap: var(--gap);
  }

  .container:has(> .slide > .picture) > :is(.slide, .main) { display: contents; }
  .container > .header { grid-area: header; }
  .container .slide > .picture { grid-area: picture; margin: 0; }
  .container .slide > .about-bd { grid-area: news; }
  .container .main > .jianzhang { grid-area: courses; }
  .container > .ad-img { grid-area: artwork; margin: 0; }
  .container > .mst-js { grid-area: topics; margin: 0; }
  .container > .footer { grid-area: footer; }
}

@media (max-width: 720px) {
  body:has(> .fixed-bottom) > .container {
    padding-bottom: calc(58px + env(safe-area-inset-bottom));
  }

  .container .header > .nav ul,
  .container .header > .nav ul:has(> li:nth-child(7):last-child) {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .container .header > .nav li:nth-child(n + 5) {
    border-top: 1px solid #fff2;
  }

  .container .header > .nav li > a {
    min-height: 45px;
    font-size: clamp(12px, 3.15vw, 14px);
  }

  .container > :is(.content, .mst-js) {
    grid-template-columns: minmax(0, 1fr);
  }

  .container .jianzhang li {
    gap: 8px;
    padding-inline: 12px;
  }

  .container .jianzhang .course-download {
    display: inline-block;
    font-size: 13px;
  }

  .container .course-content {
    overflow-x: auto;
  }

  .container .course-content table {
    display: block;
    max-width: 100%;
    overflow-x: auto;
  }

  .container .sign-up #form-bmb label {
    display: block;
    width: auto;
    margin-bottom: 5px;
    padding: 0;
    text-align: start;
  }

  .container .sign-up #form-bmb :is(input[type="text"], textarea) {
    width: min(100% - 25px, 600px);
    max-width: 100%;
  }

  .container .sign-up #form-bmb .btnmsg {
    padding: 0;
    text-align: center;
  }

  body > .fixed-bottom {
    display: block;
    position: fixed;
    inset: auto 0 0;
    z-index: 100;
    width: auto;
    margin: 0;
    padding: 0 0 env(safe-area-inset-bottom);
    background: var(--green);
  }

  .fixed-bottom ul {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .fixed-bottom ul > li {
    display: block;
    width: auto;
    border-inline-end: 1px solid #fff2;
  }

  .fixed-bottom ul > li:last-child {
    background: var(--green-light);
  }

  .fixed-bottom ul > li > a {
    display: grid;
    min-height: 54px;
    place-content: center;
    justify-items: center;
    gap: 2px;
    color: #fff;
    font: 650 12px/1.25 var(--sans);
    text-align: center;
  }

  .fixed-bottom img {
    display: block;
    width: 18px;
    height: 18px;
    object-fit: contain;
  }
}

@media (prefers-reduced-motion: reduce) {
  .container .header > .nav li > a { transition: none; }
}

/* Responsive layout for the older help and about templates. */
body:has(> .logo + .nav > .nav-inner):has(> .web-container) {
  margin: 0;
  background: #f4f1e9;
  color: #242a25;
}

body:has(> .logo + .nav > .nav-inner) > :is(.logo, .position, .web-container, .footer),
body:has(> .logo + .nav > .nav-inner) > .nav > .nav-inner {
  box-sizing: border-box;
  width: min(1100px, calc(100% - 32px));
  margin-inline: auto;
}

body:has(> .logo + .nav > .nav-inner) > .logo {
  display: flow-root;
  height: auto;
  min-height: 110px;
  aspect-ratio: 22 / 3;
  background-size: contain;
  background-position: center top;
}

body:has(> .logo + .nav > .nav-inner) > .nav {
  clear: both;
  width: 100%;
}

body:has(> .logo + .nav > .nav-inner) .search form {
  display: flex;
}

body:has(> .logo + .nav > .nav-inner) .search :is(.searchtxt, .searchbtn) {
  box-sizing: border-box;
  float: none;
  height: 34px;
}

body:has(> .logo + .nav > .nav-inner) > .nav .nav-inner ul {
  display: flex;
  flex-wrap: wrap;
  margin: 0;
  padding: 0;
  list-style: none;
}

body:has(> .logo + .nav > .nav-inner) > .nav .nav-inner a {
  display: grid;
  min-height: 44px;
  padding: 5px 12px;
  align-items: center;
  text-align: center;
}

body:has(> .logo + .nav > .nav-inner) > .web-container {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(240px, 310px);
  gap: clamp(12px, 2vw, 24px);
  padding: clamp(12px, 2vw, 24px);
  box-shadow: none;
  border-top: 2px solid #10563b;
}

body:has(> .logo + .nav > .nav-inner) > .web-container > .clearfix {
  display: none;
}

body:has(> .logo + .nav > .nav-inner) > .web-container > :is(.lanmu-left, .lanmu-right, .content-left, .content-right) {
  box-sizing: border-box;
  width: auto;
  min-width: 0;
  margin: 0;
  padding: 0;
  overflow-wrap: anywhere;
}

body:has(> .logo + .nav > .nav-inner) > .web-container :is(.register, .lanmu-picture, .content-picture, .imgbox, .text, .imgtext) {
  box-sizing: border-box;
  max-width: 100%;
}

body:has(> .logo + .nav > .nav-inner) > .web-container img {
  max-width: 100%;
  height: auto;
}

body:has(> .logo + .nav > .nav-inner) > .web-container .imgbox {
  height: auto;
}

body:has(> .logo + .nav > .nav-inner) > .footer p {
  line-height: 1.6;
}

@media (max-width: 700px) {
  body:has(> .logo + .nav > .nav-inner) > .logo {
    min-height: 0;
    padding-top: clamp(44px, 13.64vw, 110px);
    aspect-ratio: auto;
  }

  body:has(> .logo + .nav > .nav-inner) .logo > .search {
    position: static;
    margin: 6px 0;
  }

  body:has(> .logo + .nav > .nav-inner) .searchtxt {
    flex: 1;
    min-width: 0;
  }

  body:has(> .logo + .nav > .nav-inner) > .nav .nav-inner li {
    width: 25%;
  }

  body:has(> .logo + .nav > .nav-inner) > .nav .nav-inner a {
    padding-inline: 2px;
    font-size: clamp(12px, 2.9vw, 15px);
  }

  body:has(> .logo + .nav > .nav-inner) > .web-container {
    grid-template-columns: minmax(0, 1fr);
  }
}