/* 基础：尽量贴近原站“干净、留白大、字重克制”的观感 */
:root{
  --blue-900:#1b5fa6;
  --blue-800:#207ed8;
  --blue-700:#3c94e6;
  --link-hover:#1f6fbe;
  --qcard-shadow: 0 4px 12px rgba(11,18,32,.1), 0 2px 4px rgba(11,18,32,.07);
  --qcard-shadow-hover: 0 7px 16px rgba(11,18,32,.14), 0 3px 7px rgba(11,18,32,.09);
  --qcard-shadow-active: 0 5px 12px rgba(11,18,32,.12), 0 2px 6px rgba(11,18,32,.08);
  --ink:#0b1220;
  --muted:#4b5563;
  --bg:#ffffff;
  --soft:#f3f6fb;
  --line:#e6eaf2;
  --radius:14px;

  --container: 1220px;
}

*{ box-sizing:border-box; }
html,body{ min-height:100%; }
body{
  margin:0;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "PingFang SC","Microsoft YaHei", sans-serif;
  color:var(--ink);
  background:var(--bg);
  line-height:1.55;
}

a{ color:inherit; text-decoration:none; }
img{ max-width:100%; display:block; }
.container{
  width:min(var(--container), calc(100% - 48px));
  margin-inline:auto;
}

.main{ padding-bottom:64px; }

/* ========== 蓝色导航条 ========== */
.bluebar{
  position:sticky;
  top:0;
  z-index:50;
  background: var(--blue-800);
  color:#fff;
}

.bluebar__inner{
  height:80px;
  display:flex;
  align-items:center;
  gap:20px;
}

.bluebar__brand{
  display:flex;
  align-items:center;
  gap:12px;
  font-weight:800;
  letter-spacing:.4px;
  white-space:nowrap;
}

.bluebar__brand-logo{
  width:auto;
  height:72px;
}

.bluebar__brand-text{
  display:flex;
  flex-direction:column;
  justify-content:center;
  font-size:20px;
  line-height:1.05;
  text-transform: uppercase;
  transform: translateY(2px);
}

.bluebar__burger{
  margin-left:auto;
  width:42px;height:42px;
  border:0;
  background:transparent;
  display:none;
  padding:10px;
  border-radius:10px;
  cursor:pointer;
}
.bluebar__burger span{
  display:block;
  height:2px;
  background:#fff;
  margin:5px 0;
  border-radius:2px;
}

.bluebar__nav{
  margin-left:auto;
  display:flex;
  align-items:center;
  gap:22px;
}
.bluebar__item{
  position:relative;
  display:flex;
  align-items:center;
  height:80px;
  cursor:pointer;
  flex-shrink:0;
}

.bluebar__link{
  font-size:20px;
  padding:10px 6px 6px;
  border-radius:0;
  opacity:.95;
  text-transform: uppercase;
  letter-spacing:.06em;
  font-weight:700;
  cursor:pointer;
  white-space:nowrap;
  flex-shrink:0;
}
.bluebar__link-text{
  display:inline-block;
  border-bottom:2px solid transparent;
  padding-bottom:2px;
  width:max-content;
}
.bluebar__link:hover{
  opacity:1;
}
.bluebar__link:hover .bluebar__link-text,
.bluebar__link:focus-visible .bluebar__link-text{
  border-bottom-color:#ffc927;
  outline:none;
}

.bluebar__submenu{
  list-style:none;
  margin:0;
  padding:8px 0;
  position:absolute;
  top:100%;
  left:0;
  right:auto;
  min-width:220px;
  background:#ffffff;
  border:1px solid var(--line);
  border-radius:6px;
  display:none;
  z-index:60;
}
.bluebar__item.is-open .bluebar__submenu{
  display:block;
}
.bluebar__item:hover .bluebar__submenu,
.bluebar__item:focus-within .bluebar__submenu{
  display:block;
}
.bluebar__item.is-click-closed .bluebar__submenu{
  display:none;
}
.bluebar__submenu li{ margin:0; }
.bluebar__sublink{
  display:inline-flex;
  align-items:center;
  justify-content:flex-start;
  gap:12px;
  padding:10px 16px 8px;
  color:var(--ink);
  font-size:18px;
  font-weight:700;
  letter-spacing:.06em;
  border-bottom:2px solid transparent;
}
.bluebar__sublink:hover,
.bluebar__sublink:focus-visible{
  border-bottom-color:transparent;
  outline:none;
}
.bluebar__sublink::after{
  content:"›";
  font-size:34px;
  line-height:1;
  transform: translateY(-4px);
  color:currentColor;
  margin-left:0;
  font-weight:400;
}
.bluebar__sublink-text{
  display:inline-block;
  border-bottom:2px solid transparent;
  padding-bottom:2px;
}
.bluebar__sublink:hover .bluebar__sublink-text,
.bluebar__sublink:focus-visible .bluebar__sublink-text{
  border-bottom-color:#ffc927;
}

.bluebar__cta{
  font-size:16px;
  letter-spacing:.06em;
  font-weight:800;
  padding:12px 20px;
  border:2px solid #f2c94c;
  background: transparent;
  color:#fff;
  text-transform: uppercase;
}
.bluebar__cta:hover{ background: rgba(255,255,255,.08); }

/* ========== 重要通知 ========== */
.notice-banner{
  background: linear-gradient(120deg, #fff6d4 0%, #fff2c2 45%, #e9f2ff 100%);
  border-top:2px solid #f0c24a;
  border-bottom:2px solid #f0c24a;
  padding: 28px 0 30px;
}
.notice-banner.is-hidden{ display:none; }
.notice-banner__inner{
  display:flex;
  flex-direction:column;
  gap:14px;
  align-items:stretch;
  background: #ffffff;
  border:1px solid rgba(27,95,166,.2);
  border-left:8px solid #1b5fa6;
  border-radius:16px;
  padding:18px 22px;
  box-shadow: 0 16px 32px rgba(11,18,32,.14), 0 6px 14px rgba(11,18,32,.1);
}
.notice-banner__badge{
  align-self:flex-start;
  position:relative;
  background:#0f4aa8;
  color:#fff;
  border-radius:999px;
  padding:7px 14px 7px 34px;
  font-size:16px;
  font-weight:800;
  letter-spacing:.12em;
  text-transform: uppercase;
}
.notice-banner__badge::before{
  content:"!";
  position:absolute;
  left:10px;
  top:50%;
  background:#f1a63a;
  color:#2b2100;
  width:18px;
  height:18px;
  line-height:18px;
  text-align:center;
  border-radius:50%;
  font-size:12px;
  font-weight:900;
  transform: translateY(-50%);
}
.notice-banner__headline{
  margin:0;
  font-size:22px;
  line-height:1.35;
  color:#0b1220;
}
.notice-banner__lead{
  margin:0;
  color:var(--muted);
  font-size:15px;
}
.notice-banner__list{
  margin:0;
  padding-left:20px;
  color:var(--ink);
  font-size:16px;
  line-height:1.7;
}
.notice-banner__list li{
  margin:8px 0;
  font-weight:600;
}
.notice-banner__list li::marker{
  color:#0f4aa8;
  font-weight:800;
}
.notice-banner__content{
  display:flex;
  flex-direction:column;
  gap:12px;
}
.notice-banner__section{
  background:#f8fbff;
  border:1px solid rgba(27,95,166,.18);
  border-radius:12px;
  padding:14px 16px;
}
.notice-banner__section--alert{
  background:#fff8e6;
  border-color:#f2c94c;
}
.notice-banner__section-title{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  margin:0 0 10px;
  color:#0b1220;
  font-size:16px;
  font-weight:800;
  letter-spacing:.01em;
}
.notice-banner__text{
  margin:0 0 8px;
  color:var(--ink);
  font-size:16px;
  line-height:1.7;
}
.notice-banner__text:last-child{
  margin-bottom:0;
}
.notice-banner__text--strong{
  font-weight:700;
}
.notice-banner__link{
  color: var(--blue-800);
  text-decoration:underline;
  text-underline-offset:2px;
  text-decoration-color: rgba(32,126,216,.55);
}
.notice-banner__link:hover,
.notice-banner__link:focus-visible{
  color: var(--link-hover);
  text-decoration-color: var(--link-hover);
}
.notice-banner__section .notice-banner__list{
  margin:0;
  padding-left:20px;
  color:var(--ink);
  font-size:16px;
  line-height:1.7;
}
/* 语言切换 */
.bluebar__lang{
  position:relative;
  display:flex;
  align-items:center;
  margin-left:0;
}
.lang__btn{
  border:0;
  background: rgba(255,255,255,.12);
  color:#fff;
  padding:10px 8px;
  border-radius:10px;
  font-size:16px;
  cursor:pointer;
  display:flex;
  align-items:center;
  gap:8px;
}
.lang__chev{
  width:10px;height:10px;
  border-right:2px solid #fff;
  border-bottom:2px solid #fff;
  transform: rotate(45deg);
  margin-top:-2px;
  opacity:.9;
}
.lang__menu{
  position:absolute;
  right:0;
  top:calc(100% + 10px);
  background:#fff;
  color:var(--ink);
  border:1px solid var(--line);
  border-radius:12px;
  min-width:160px;
  padding:8px;
  box-shadow:none; /* 按你要求：不做阴影 */
  display:none;
}
.bluebar__lang.is-open .lang__menu{ display:block; }
.lang__item{
  display:block;
  padding:10px 10px;
  border-radius:10px;
  font-size:16px;
}
.lang__item:hover{ background:var(--soft); }
.lang__item.is-current{ background:var(--soft); font-weight:650; }

/* ========== Hero：左文右海报 + 背景块 ========== */
.hero{
  padding: clamp(20px, 4.5vw, 40px) 0 34px;
  background: #ffffff;
}
.hero__grid{
  display:grid;
  grid-template-columns: .9fr 1.1fr;
  gap:32px;
  align-items:center;
}

.hero__title{
  font-size:34px;
  line-height:1.15;
  margin:0 0 14px;
  letter-spacing:-.2px;
}
.hero__text{
  padding-top:30px;
}
.hero__text p{
  margin: 0 0 12px;
  color:var(--muted);
  font-size:16px;
}
.hero__ctaRow{
  margin-top:18px;
  display:flex;
  gap:12px;
  flex-wrap:wrap;
}

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  height:44px;
  padding:0 18px;
  border-radius:12px;
  font-weight:650;
  font-size:14px;
  border:1px solid transparent;
  transition: transform .2s ease, box-shadow .2s ease, background-color .2s ease, color .2s ease, border-color .2s ease;
}
.btn--solid{
  background: var(--blue-800);
  color:#fff;
}
.btn--solid:hover{ background: var(--blue-700); }
.btn--ghost{
  background: transparent;
  color: var(--blue-800);
  border-color: rgba(15,74,168,.35);
}
.btn--ghost:hover{ background: rgba(15,74,168,.06); }
.btn:hover{
  transform: translateY(-1px);
  box-shadow: 0 6px 16px rgba(11,18,32,.12);
}
.btn:active{
  transform: translateY(0);
  box-shadow: 0 3px 8px rgba(11,18,32,.12);
}
.btn:focus-visible{
  outline:2px solid rgba(32,126,216,.6);
  outline-offset:2px;
}

.hero__media{
  position:relative;
}
.hero__posterWrap{
  position:relative;
  border-radius: var(--radius);
  overflow:visible;
  background: transparent;
  border:0;
  --frame-gap: clamp(12px, 4vw, 40px);
  --block-w: 38%;
  --block-h: 57%;
  padding-top: var(--frame-gap);
  padding-right: var(--frame-gap);
}
/* 右上角蓝色色块 */
.hero__posterWrap::after{
  content:"";
  position:absolute;
  width:var(--block-w);
  height:var(--block-h);
  background: var(--blue-900);
  top:0;
  right:0;
  z-index:0;
  border-radius:6px;
}
/* 背景块（右侧海报背后那种“色块托底”感觉） */
.hero__posterWrap::before{
  content:none;
}
.hero__poster{
  position:relative;
  width:100%;
  aspect-ratio: 960 / 622;
  object-fit:cover;
  border-radius: var(--radius);
  z-index:2;
}

/* ========== 4 卡片横排 ========== */
.cards{
  padding: 18px 0 26px;
  scroll-margin-top: 96px;
}
.cards__grid{
  display:grid;
  grid-template-columns: repeat(4, 1fr);
  gap:18px;
  align-items:stretch;
}

.pcard{
  border:1px solid var(--line);
  border-radius: var(--radius);
  overflow:hidden;
  background:#fff;
  transition: transform .2s ease, border-color .2s ease, box-shadow .2s ease;
}
.pcard__link{
  display:flex;
  flex-direction:column;
  height:100%;
  color:inherit;
  text-decoration:none;
  -webkit-tap-highlight-color: rgba(32,126,216,.18);
}
.pcard__media{
  display:block;
  position:relative;
  overflow:hidden;
}
.pcard__media::after{
  content:"";
  position:absolute;
  inset:0;
  background: linear-gradient(180deg, rgba(11,18,32,0) 40%, rgba(11,18,32,.14) 100%);
  opacity:.7;
  transition: opacity .2s ease;
  pointer-events:none;
}
.pcard:hover{
  transform: translateY(-3px);
  border-color: rgba(32,126,216,.45);
  box-shadow: 0 10px 26px rgba(11,18,32,.12);
}
.pcard:focus-within{
  border-color: rgba(32,126,216,.6);
  box-shadow: 0 0 0 2px rgba(32,126,216,.35);
}
.pcard:hover .pcard__media::after{
  opacity:1;
}
.pcard__img{
  width:100%;
  height:auto;
  aspect-ratio: 960 / 622;
  object-fit:cover;
  transition: transform .25s ease;
}
.pcard__img.is-card4{
  transform: translateZ(0);
  backface-visibility: hidden;
  will-change: transform;
}
.pcard:hover .pcard__img{
  transform: scale(1.02);
}
.pcard__link:active{
  transform: scale(.99);
}
.pcard__link:active .pcard__media::after{
  opacity:1;
}
.pcard__link:active .pcard__img{
  transform: scale(1.01);
}
.pcard__body{
  padding:14px 14px 16px;
  display:flex;
  flex-direction:column;
  gap:8px;
  flex:1;
}
.pcard__title{
  font-size:18px;
  line-height:1.25;
  margin:0;
  text-align:center;
  color: var(--blue-800);
  transition: color .2s ease;
}
.pcard__link:hover .pcard__title,
.pcard__link:focus-visible .pcard__title{
  color: var(--blue-700);
}
.pcard__desc{
  margin:0;
  color:var(--muted);
  font-size:15px;
  line-height:1.6;
  display:-webkit-box;
  -webkit-line-clamp:4;
  -webkit-box-orient: vertical;
  overflow:hidden;
  min-height: calc(1.6em * 4);
}

/* ========== 内页：比赛规则 ========== */
.page{
  padding: 28px 0 40px;
  background:#fff;
}
.page__title{
  margin:0 0 20px;
  font-size:28px;
  letter-spacing:-.2px;
  text-align:center;
}
.rules,
.categories,
.awards,
.updates{
  border:1px solid var(--line);
  border-radius: var(--radius);
  padding:24px 28px;
  background: var(--soft);
  max-width: 880px;
  margin:0 auto;
}
.rules__list{
  margin:0 0 18px;
  padding-left:20px;
}
.rules__list li{
  margin:6px 0;
}
.rules__section{
  margin:0 0 18px;
}
.rules__section-title{
  margin:0 0 8px;
  font-size:18px;
  color: var(--blue-900);
}
/* ========== 内页：学科类别 ========== */
.categories__section-title{
  margin:0 0 8px;
  font-size:18px;
  color: var(--blue-900);
}
.categories__lead{
  margin:0 0 14px;
  font-size:16px;
  color:var(--muted);
}
.categories__list{
  margin:0;
  padding-left:50px;
  display:inline-grid;
  grid-auto-flow: column;
  grid-template-rows: repeat(8, auto);
  grid-auto-columns: max-content;
  column-gap:100px;
  row-gap:6px;
}
.categories__list li{
  margin:0;
  break-inside: avoid;
}

/* ========== 内页：奖励激励 ========== */
.awards__lead{
  margin:0 0 10px;
  font-size:16px;
  color:var(--muted);
}
.awards__section{
  margin:0 0 18px;
}
.awards__list{
  margin:0 0 10px;
  padding-left:20px;
}
.awards__list li{
  margin:6px 0;
}
.awards__list--awards{
  margin-top:8px;
}
/* ========== 内页：赛事动态 ========== */
.updates__section{
  margin:0 0 18px;
}
.updates__list{
  margin:0;
  padding-left:20px;
}
.updates__list > li{
  margin:10px 0;
}
.updates__sublist{
  margin:6px 0 0;
  padding-left:18px;
  list-style:disc;
}
.updates__sublist li{
  margin:6px 0;
}
.updates__highlight{
  background:#fff3c4;
  border-radius:3px;
  color:var(--ink);
  font-weight:700;
  padding:0 2px;
}
.updates__notice{
  background:#fff8e6;
  border:1px solid #f1e0b2;
  border-left:4px solid #f2c94c;
  border-radius:12px;
  padding:14px 16px 10px;
}
.updates__notice--announcement{
  background:#f8fbff;
  border-color:#dbe7f6;
  border-left-color:#207ed8;
}
.updates__notice--announcement .updates__notice-badge{
  background:#207ed8;
  color:#fff;
}
.updates__notice-head{
  display:flex;
  align-items:center;
  gap:10px;
  margin-bottom:8px;
}
.updates__notice-badge{
  background:#f2c94c;
  color:#2b2100;
  border-radius:999px;
  font-size:12px;
  font-weight:800;
  padding:4px 10px;
  letter-spacing:.08em;
}
.updates__notice-title{
  display:flex;
  align-items:center;
  gap:8px;
  font-size:18px;
  font-weight:800;
  margin:0;
}
.rules__text,
.awards__text,
.updates__text{
  margin:0 0 8px;
  color:var(--ink);
}
.updates__section--winners{
  margin-top:22px;
  padding-top:6px;
  border-top:1px solid var(--line);
}
#winners-2026chn011{
  scroll-margin-top:120px;
}
.award-cluster{
  margin-bottom:18px;
}
.award-cluster:last-child{
  margin-bottom:0;
}
.award-cluster__head{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  margin:0 0 10px;
  padding:8px 12px;
  border-radius:10px;
  background:#eef4fd;
}
.award-cluster__title{
  margin:0;
  font-size:17px;
  font-weight:800;
  color:#1f3960;
}
.award-cluster__count{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  min-width:72px;
  height:28px;
  padding:0 10px;
  border-radius:999px;
  background:#d8e7fb;
  color:#1f4f8f;
  font-size:13px;
  font-weight:700;
  letter-spacing:.01em;
}
.award-groups{
  display:flex;
  flex-direction:column;
  gap:16px;
}
.award-group{
  --award-accent:#2f6db4;
  background:#ffffff;
  border:1px solid #dde4ef;
  border-radius:12px;
  padding:14px 14px 14px 18px;
  position:relative;
  overflow:visible;
}
.award-group::before{
  content:"";
  position:absolute;
  left:0;
  top:0;
  bottom:0;
  width:5px;
  background:var(--award-accent);
}
.award-group::after{
  content:none;
}
.award-group--apa{ --award-accent:#9a7b2f; }
.award-group--ricoh{ --award-accent:#bf1f48; }
.award-group--sivb{ --award-accent:#1f1f1f; }
.award-group--ysea{ --award-accent:#1c4d87; }
.award-group--chn011{ --award-accent:#2c4a86; }
.award-group--isef{ --award-accent:#0f5cab; }
.award-group__head{
  margin:0 0 10px;
}
.award-group__title{
  margin:0;
  font-size:18px;
  color:var(--blue-900);
  line-height:1.4;
}
.award-group__subtitle{
  margin:6px 0 0;
  font-size:14px;
  color:var(--muted);
  line-height:1.55;
}
.award-group__note{
  margin:6px 0 0;
  font-size:13px;
  color:var(--muted);
  line-height:1.5;
}
.award-table{
  width:100%;
  border-collapse:collapse;
  table-layout:fixed;
}
.award-table th,
.award-table td{
  border:1px solid #e5e9f2;
  padding:10px 10px;
  text-align:left;
  vertical-align:top;
  font-size:15px;
  line-height:1.65;
}
.award-table th{
  position:static;
  font-size:14px;
  font-weight:700;
  color:#213654;
  background:#f4f7fc;
}
.award-table tbody tr:nth-child(even) td{
  background:#f9fbff;
}
.award-table tbody tr:hover td{
  background:#eef5ff;
}
.award-table td[data-label="项目名称"],
.award-table th:first-child{
  overflow-wrap:anywhere;
  word-break:break-word;
  hyphens:auto;
}
.award-table th:nth-child(1),
.award-table td:nth-child(1){ width:50%; }
.award-table th:nth-child(2),
.award-table td:nth-child(2){ width:12%; }
.award-table th:nth-child(3),
.award-table td:nth-child(3){ width:22%; }
.award-table th:nth-child(4),
.award-table td:nth-child(4){ width:16%; }
.award-table td:nth-child(4){
  white-space:nowrap;
}
.categories__text{
  margin:0 0 12px;
  color:var(--ink);
}
.rules__text,
.categories__text,
.awards__text,
.updates__text{
  font-size:16px;
  line-height:1.7;
}
.rules__note,
.categories__note,
.awards__note{
  margin:34px 0 0;
  font-size:18px;
  line-height:1.7;
  color:var(--muted);
}
.rules__link,
.categories__link,
.awards__link,
.updates__link{
  color: var(--blue-800);
  text-decoration:underline;
  text-underline-offset:2px;
  text-decoration-color: rgba(32,126,216,.55);
  transition: color .2s ease, text-decoration-color .2s ease;
  overflow-wrap:anywhere;
  word-break: break-word;
}
.rules__link:hover,
.rules__link:focus-visible,
.categories__link:hover,
.categories__link:focus-visible,
.awards__link:hover,
.awards__link:focus-visible,
.updates__link:hover,
.updates__link:focus-visible{
  color: var(--link-hover);
  text-decoration-color: var(--link-hover);
}

/* ========== Questions / Email Us ========== */
.questions{
  padding: 86px 0 120px;
  background:#fff;
  scroll-margin-top: 96px;
}
.questions__title{
  font-size:24px;
  margin:0 0 12px;
  letter-spacing:-.1px;
  text-align:center;
}
.qcards{
  display:flex;
  justify-content:center;
}
.qcard{
  width:320px;
  min-height:200px;
  display:flex;
  flex-direction: column;
  gap:10px;
  align-items:center;
  justify-content:center;
  text-align:center;
  border:0;
  border-radius: 6px;
  padding:16px 20px;
  background:#fff;
  box-shadow: var(--qcard-shadow);
  cursor:pointer;
  transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}
.qcard:hover{
  transform: translateY(-2px);
  border-color: transparent;
  box-shadow: var(--qcard-shadow-hover);
}
.qcard:active{
  transform: translateY(0) scale(.99);
  box-shadow: var(--qcard-shadow-active);
}
.qcard:focus-visible{
  outline:2px solid rgba(32,126,216,.6);
  outline-offset:2px;
}
.qcard__icon{
  width:78px;
  height:auto;
  opacity:.85;
}
.qcard__title{
  margin:0;
  font-size:18px;
  font-weight:750;
  transition: color .2s ease;
}
.qcard__meta{
  margin:0;
  font-size:14px;
  color:var(--muted);
  letter-spacing:.02em;
}
.qcard:hover .qcard__title,
.qcard:focus-visible .qcard__title{
  color: var(--blue-700);
}

/* ========== Footer / 备案信息 ========== */
.site-footer{
  background:#fff;
  border-top:1px solid var(--line);
}
.footer__inner{
  display:flex;
  align-items:center;
  justify-content:center;
  gap:10px;
  padding:20px 0 26px;
  color:var(--muted);
  font-size:14px;
}
.footer__icon{
  width:16px;
  height:16px;
  display:inline-block;
}
.footer__link{
  color:inherit;
  text-decoration:none;
}
.footer__link:hover{
  text-decoration:underline;
  text-underline-offset:2px;
}
/* ========== 响应式 ========== */
@media (max-width: 980px){
  .hero__grid{ grid-template-columns: 1fr; }
  .hero__media{ order:1; }
  .hero__text{ order:2; }
  .hero__text{ padding-top:12px; }
  .hero__title{ font-size:30px; }
  .cards__grid{ grid-template-columns: repeat(2, 1fr); }
  .categories__list{
    display:grid;
    width:100%;
    grid-auto-flow: row;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    grid-template-rows: none;
    grid-auto-columns: auto;
  }
}

@media (min-width: 1024px){
  .page--updates .updates{
    max-width:1040px;
    padding:22px 20px;
  }
}

@media (max-width: 720px){
  :root{
    --qcard-shadow: 0 4px 12px rgba(11,18,32,.1), 0 2px 4px rgba(11,18,32,.07);
    --qcard-shadow-hover: 0 7px 16px rgba(11,18,32,.14), 0 3px 7px rgba(11,18,32,.09);
    --qcard-shadow-active: 0 5px 12px rgba(11,18,32,.12), 0 2px 6px rgba(11,18,32,.08);
  }
  .container{ width:min(var(--container), calc(100% - 28px)); }
  .page--updates .container{ width:min(var(--container), calc(100% - 20px)); }

  .bluebar__burger{ display:inline-block; }
  .bluebar__nav{
    position:fixed;
    inset:0;
    background: var(--blue-800);
    border-top:0;
    padding:96px 0 24px;
    display:none;
    flex-direction:column;
    align-items:stretch;
    gap:0;
    overflow-y:auto;
  }
  .bluebar.is-open .bluebar__nav{ display:flex; }
  .bluebar__item{
    height:auto;
    flex-direction:column;
    align-items:stretch;
  }
  .bluebar__link{
    padding:16px 28px 14px;
    font-size:20px;
    border-bottom:0;
  }
  .bluebar__link-text{
    border-bottom:2px solid transparent;
    padding-bottom:2px;
    width:max-content;
  }
  .bluebar__link:hover .bluebar__link-text{
    border-bottom-color:#ffc927;
  }
  .bluebar__item.has-submenu > .bluebar__link::after{
    content:"▾";
    margin-left:8px;
    font-size:20px;
  }
  .bluebar__submenu{
    position:static;
    background:#ffffff;
    border:0;
    border-radius:0;
    padding:6px 0;
    margin:0;
    display:none;
    width:100%;
  }
  .bluebar__item:hover .bluebar__submenu,
  .bluebar__item:focus-within .bluebar__submenu{
    display:none;
  }
  .bluebar__item.is-open .bluebar__submenu{
    display:block;
  }
  .bluebar__sublink{
    padding:12px 28px 10px;
    color:var(--ink);
  }
  .bluebar__sublink-text{
    padding-bottom:2px;
    border-bottom:2px solid transparent;
  }
  .bluebar__sublink:hover .bluebar__sublink-text,
  .bluebar__sublink:focus-visible .bluebar__sublink-text{
    border-bottom-color:#ffc927;
  }

  .bluebar__lang{
    width:100%;
  }
  .lang__btn{
    width:100%;
    justify-content:flex-start;
    background: transparent;
    border-radius:0;
    font-size:20px;
    letter-spacing:.06em;
    padding:16px 28px 14px;
    border-bottom:1px solid rgba(255,255,255,.18);
  }
  .lang__menu{
    right:auto;
    left:28px;
    top:calc(100% + 8px);
  }

  .bluebar.is-open .bluebar__burger{
    position:fixed;
    right:18px;
    top:18px;
    z-index:70;
  }
  .bluebar.is-open .bluebar__burger span:nth-child(1){
    transform: translateY(7px) rotate(45deg);
  }
  .bluebar.is-open .bluebar__burger span:nth-child(2){
    opacity:0;
  }
  .bluebar.is-open .bluebar__burger span:nth-child(3){
    transform: translateY(-7px) rotate(-45deg);
  }

  .notice-banner{
    padding: 20px 0 22px;
  }
  .notice-banner__inner{
    padding:16px 16px;
  }
  .notice-banner__content{
    gap:10px;
  }
  .notice-banner__list{
    font-size:15px;
    padding-left:18px;
  }
  .notice-banner__section{
    padding:12px 12px;
  }
  .notice-banner__section-title{
    font-size:15px;
    font-weight:800;
  }
  .notice-banner__text{
    font-size:15px;
  }

  .cards__grid{
    grid-template-columns: 1fr;
  }
  .pcard__body{ padding:12px 12px 14px; }
  .pcard__title{ font-size:16.5px; }
  .pcard__desc{ font-size:14px; }

  .page__title{ font-size:24px; }
  .rules,
  .categories,
  .awards,
  .updates{ padding:14px 12px; }
  .rules__section-title{ font-size:17px; }
  .categories__list{
    display:grid;
    width:100%;
    grid-auto-flow: row;
    grid-template-columns: 1fr;
    grid-template-rows: none;
    grid-auto-columns: auto;
  }
  .award-cluster{
    margin-bottom:14px;
  }
  .award-cluster__head{
    padding:8px 10px;
    margin-bottom:8px;
  }
  .award-cluster__title{
    font-size:15px;
  }
  .award-cluster__count{
    min-width:64px;
    height:24px;
    font-size:12px;
  }
  .award-group{
    padding:12px 10px 10px 12px;
    border-radius:10px;
  }
  .award-group::before{
    width:4px;
  }
  .award-group__title{
    font-size:16px;
  }
  .award-group__subtitle{
    font-size:13px;
  }
  .award-group__head{ margin-right:0; }
  .award-table,
  .award-table thead,
  .award-table tbody,
  .award-table tr,
  .award-table th,
  .award-table td{
    display:block;
    width:100%;
  }
  .award-table td:nth-child(1),
  .award-table td:nth-child(2),
  .award-table td:nth-child(3),
  .award-table td:nth-child(4){
    width:100%;
  }
  .award-table thead{
    display:none;
  }
  .award-table tr{
    border:0;
    border-radius:0;
    overflow:visible;
    margin-bottom:12px;
    background:transparent;
  }
  .award-table tr:last-child{
    margin-bottom:0;
  }
  .award-table td{
    border:0;
    border-bottom:1px solid #edf1f7;
    padding:8px 8px;
    font-size:14px;
    line-height:1.6;
    position:static;
    min-height:0;
    word-break:normal;
    overflow-wrap:break-word;
  }
  .award-table td:last-child{
    border-bottom:0;
  }
  .award-table td::before{
    content: attr(data-label);
    position:static;
    display:block;
    margin:0 0 3px;
    font-size:12px;
    font-weight:700;
    color:#5b6f8f;
    letter-spacing:.02em;
  }
  .award-table td[data-label="项目名称"]{
    font-size:15px;
    font-weight:700;
    line-height:1.55;
    color:#14253f;
    background:#f8fbff;
    padding-top:10px;
    padding-bottom:10px;
  }
  .award-table td[data-label="项目名称"]::before{
    color:#3b5e8d;
    margin-bottom:4px;
  }
  .bluebar__brand-logo{
    width:auto;
    height:64px;
  }
}