/* ================================================================
   江门"市长杯"工业设计大赛官网 V2 —— 全新版本
   版式基准：2026 A3 主海报（白底/红黑灰/大字标题/0-1二进制元素）
   交互基准：cuidc.net（白底顶栏、右侧菜单、红色登录按钮）
   ================================================================ */
:root{
  --red:#D7000F; --red-dark:#A5000C; --ink:#141414; --gray:#8a8a8a;
  --bg:#ffffff; --bg-soft:#f7f7f8; --nav-h:76px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:"HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans","Helvetica Neue",Helvetica,Arial,sans-serif;color:var(--ink);background:var(--bg);line-height:1.75;-webkit-font-smoothing:antialiased}
a{text-decoration:none;color:inherit}
img{max-width:100%;display:block}
ul{list-style:none}
.wrap{width:min(1240px,92%);margin:0 auto}

/* ================= 顶栏 ================= */
/* 语言切换圆形按钮（导航区 - 登录/注册按钮右侧） */
.nav-lang{display:inline-flex;align-items:center;height:100%;flex:none;margin-left:14px}
.lang-toggle{width:36px;height:36px;border-radius:50%;border:1.5px solid #d9d9d9;background:#fff;color:#333;font-size:13px;font-weight:800;font-family:inherit;letter-spacing:0;display:inline-flex;align-items:center;justify-content:center;padding:0;cursor:pointer;transition:border-color .25s,color .25s;flex:none}
.lang-toggle:hover{border-color:var(--red);color:var(--red)}
/* 移动端抽屉内语言切换 */
.lang-switch-drawer{display:none;padding:16px 24px 8px;border-top:1px solid #f0f0f0;margin-top:10px}
.lang-switch-drawer .lang-toggle{width:42px;height:42px;font-size:14px}
header.nav{position:sticky;top:0;z-index:200;background:rgba(255,255,255,.96);backdrop-filter:blur(10px);box-shadow:0 1px 0 #eee,0 6px 20px rgba(0,0,0,.04);height:var(--nav-h)}
header.nav .wrap{display:flex;align-items:center;justify-content:space-between;height:100%}
.logo{display:flex;align-items:center;gap:14px}
.logo-award{height:54px;width:auto;margin-left:0}
nav.menu{display:flex;align-items:center;height:100%}
nav.menu>a,nav.menu .drop>a{display:flex;align-items:center;height:100%;padding:0 17px;font-size:15.5px;font-weight:600;color:#333;transition:.2s;position:relative;cursor:pointer;white-space:nowrap}
nav.menu>a:hover,nav.menu>a.active,nav.menu .drop:hover>a{color:var(--red)}
nav.menu>a.active::after,nav.menu .drop>a.active::after{content:"";position:absolute;left:17px;right:17px;bottom:0;height:3px;background:var(--red)}
nav.menu .login-btn{height:auto;align-self:center;margin-left:12px;padding:9px 24px;background:#fff;color:#333!important;border:1.5px solid #d9d9d9;border-radius:999px;font-size:14px;letter-spacing:1px;transition:border-color .25s,color .25s}
nav.menu .login-btn:hover{border-color:var(--red);color:var(--red)!important;background:#fff}
nav.menu .login-btn::after{display:none!important}
.drop{position:relative;height:100%}
.drop-menu{position:absolute;top:100%;left:0;min-width:300px;background:#fff;box-shadow:0 14px 34px rgba(0,0,0,.13);border-top:3px solid var(--red);opacity:0;visibility:hidden;transform:translateY(10px);transition:.25s}
.drop:hover .drop-menu{opacity:1;visibility:visible;transform:translateY(0)}
.drop-menu a{display:flex;align-items:center;gap:10px;padding:14px 20px;font-size:14.5px;font-weight:500;border-bottom:1px solid #f3f3f3;transition:.15s}
.drop-menu a:last-child{border-bottom:none}
.drop-menu a:hover{background:#fdf2f3;color:var(--red);padding-left:26px}
.dot{width:9px;height:9px;border-radius:50%;flex:none}
.dot.brown{background:#7B4A2D}
.dot.silver{background:linear-gradient(135deg,#d5d5d5,#7f8993)}
.dot.multi{background:conic-gradient(#D7000F,#e8862d,#69a82c,#1a6fbe)}
/* 汉堡按钮（桌面隐藏，≤960 显示） */
.nav-burger{display:none;width:40px;height:40px;flex-direction:column;justify-content:center;gap:6px;cursor:pointer;padding:6px;background:none;border:none}
.nav-burger span{display:block;width:28px;height:3px;background:#222;border-radius:2px;transition:.3s}
.nav-burger.on span:nth-child(1){transform:translateY(9px) rotate(45deg)}
.nav-burger.on span:nth-child(2){opacity:0}
.nav-burger.on span:nth-child(3){transform:translateY(-9px) rotate(-45deg)}
body.nav-lock{overflow:hidden}

/* 平板/窄窗口（961—1100）：导航收为汉堡抽屉（页面版式保持桌面） */
@media(max-width:1100px) and (min-width:961px){
  header.nav{backdrop-filter:none;background:#fff}
  .nav-burger{display:flex}
  nav.menu{display:none;position:fixed;top:var(--nav-h);left:0;right:0;bottom:0;background:#fff;flex-direction:column;align-items:stretch;height:auto;padding:8px 0 24px;overflow-y:auto;z-index:199;box-shadow:0 10px 30px rgba(0,0,0,.08)}
  nav.menu.open{display:flex}
  nav.menu>a,nav.menu .drop>a{height:auto;padding:15px 24px;font-size:16px;border-bottom:1px solid #f3f3f3;width:100%;justify-content:flex-start}
  nav.menu>a.active::after,nav.menu .drop>a.active::after{left:24px;right:auto;width:30px}
  nav.menu .login-btn{width:auto;align-self:stretch;margin:14px 24px 0;padding:13px;text-align:center;font-size:16px}
  .nav-lang{display:none}
  .lang-switch-drawer{display:block}
  .drop{height:auto}
  .drop-menu{position:static;opacity:1;visibility:visible;transform:none;box-shadow:none;border-top:none;min-width:0;display:none;background:#fafafa}
  .drop.ex .drop-menu{display:block}
  .drop-menu a{padding:13px 24px 13px 40px}
}

/* ================= 首页 Hero（海报版式） ================= */
.hero{position:relative;height:640px;overflow:hidden;background:#fff}
.hero::before{content:"";position:absolute;right:-8%;top:-30%;width:56%;height:160%;background:radial-gradient(closest-side,rgba(215,0,15,.06),transparent 70%);pointer-events:none}
.hero .slide{position:absolute;inset:0;opacity:0;visibility:hidden;transition:opacity .9s,visibility .9s;display:flex;align-items:center;background:#fff}
.hero .slide.on{opacity:1;visibility:visible}
.hero .wrap{display:flex;align-items:center;justify-content:space-between;gap:30px}
.hero .txt{position:relative;z-index:2;max-width:620px}
.hero .year{font-size:32px;font-weight:100;color:var(--red);letter-spacing:3px;line-height:1}
.hero .txt h1{font-size:72px;font-weight:900;letter-spacing:3px;color:#141414;line-height:1.28;margin-top:8px}
/* 英文标题较长，桌面端单独缩小，避免超出首屏高度 */
@media(min-width:961px){html[lang="en"] .hero .txt h1{font-size:42px;letter-spacing:1px}html[lang="en"] .hero .theme{font-size:20px;letter-spacing:8px}}
.hero .en{font-size:12.5px;color:#c0c0c0;letter-spacing:3.5px;margin-top:12px;font-weight:600}
.hero .theme{margin-top:30px;font-size:27px;letter-spacing:15px;color:var(--red);font-weight:800}
.hero .theme-en{font-size:11px;color:#c5c5c5;letter-spacing:5px;margin-top:6px;font-weight:600}
.hero .meta{font-size:15.5px;color:#555;margin-top:24px}
.hero .meta b{color:#111}
.hero .cta{margin-top:34px;display:flex;gap:14px}
.btn{display:inline-flex;align-items:center;justify-content:center;padding:12px 34px;border-radius:999px;font-weight:700;font-size:15px;letter-spacing:2px;transition:.25s;cursor:pointer;border:none}
.btn-red{background:var(--red);color:#fff}
.btn-red:hover{background:var(--red-dark);transform:translateY(-2px);box-shadow:0 8px 20px rgba(215,0,15,.3)}
.btn-cmft{background:linear-gradient(90deg,#e8862d 0%,#69a82c 34%,#D7000F 68%,#1a6fbe 100%);color:#fff}
.btn-cmft:hover{transform:translateY(-2px);box-shadow:0 8px 20px rgba(0,0,0,.22);filter:brightness(.95)}
.btn-line{border:1.5px solid #141414;color:#141414;background:transparent}
.btn-line:hover{background:#141414;color:#fff}
.hero .art{width:470px;flex:none;position:relative;z-index:1}
.hero .art-wide{width:670px}
@media(max-width:1279px){.hero .art-wide{width:470px}}
.hero .art>img{width:100%;position:relative;z-index:2}
.hero-slide2 .year{color:#7B4A2D}
.hero-slide2 .theme{color:#7B4A2D;letter-spacing:9px}
.hero-slide3 .year{color:#5a6672}
.hero-slide3 .theme{color:#5a6672;letter-spacing:9px}

/* 莫比乌斯变幻特效 */
.mobius-wrap{position:relative}
/* 3D 循环变动：绕Y轴连续自转 + X/Z 轴摆动 + 呼吸缩放（参照 cuidc.net 首屏） */
.mobius-3d{position:relative;z-index:2;perspective:1100px}
.mobius-3d .art-main{width:100%;display:block;will-change:transform}
/* 视频替代静态图片后，orbSpin 3D旋转动画移除（视频本身含莫比乌斯环循环动画） */
@keyframes orbSpin{
  0%  {transform:rotateY(0deg)   rotateX(0deg)  rotateZ(0deg)   scale(1)}
  25% {transform:rotateY(90deg)  rotateX(4deg)  rotateZ(2.5deg) scale(1.035)}
  50% {transform:rotateY(180deg) rotateX(0deg)  rotateZ(0deg)   scale(1)}
  75% {transform:rotateY(270deg) rotateX(-4deg) rotateZ(-2.5deg) scale(1.035)}
  100%{transform:rotateY(360deg) rotateX(0deg)  rotateZ(0deg)   scale(1)}
}
/* 地面椭圆影随旋转同步缩放 */
.mobius-shadow{position:absolute;left:16%;right:16%;bottom:-3.5%;height:9%;border-radius:50%;
  background:radial-gradient(ellipse at center,rgba(20,20,20,.16),rgba(20,20,20,0) 68%);
  z-index:1;animation:orbShadow 10s linear infinite;pointer-events:none}
@keyframes orbShadow{
  0%,100%{transform:scaleX(1);opacity:.95}
  25%,75%{transform:scaleX(.74);opacity:.55}
  50%    {transform:scaleX(.9);opacity:.78}
}
@keyframes floatY{0%,100%{transform:translateY(0) rotate(0)}50%{transform:translateY(-20px) rotate(2deg)}}
.orbit{position:absolute;border-radius:50%;pointer-events:none;left:50%;top:50%;transform:translate(-50%,-50%)}
.orbit.o1{width:118%;height:118%;border:1.5px dashed rgba(215,0,15,.28);animation:spin 16s linear infinite}
.orbit.o2{width:146%;height:146%;border:1px solid rgba(215,0,15,.14);animation:spin 26s linear infinite reverse}
.orbit.o3{width:176%;height:176%;border:1px solid rgba(215,0,15,.07);animation:breath 5s ease-in-out infinite}
.orbit .sat{position:absolute;width:9px;height:9px;border-radius:50%;background:var(--red);top:-5px;left:calc(50% - 4px);box-shadow:0 0 12px rgba(215,0,15,.7)}
@keyframes spin{to{transform:translate(-50%,-50%) rotate(360deg)}}
@keyframes breath{0%,100%{transform:translate(-50%,-50%) scale(1);opacity:.7}50%{transform:translate(-50%,-50%) scale(1.08);opacity:1}}
/* 扫描光带 */
.hero .art::after{content:"";position:absolute;left:8%;right:8%;top:0;height:100%;z-index:3;pointer-events:none;
  background:linear-gradient(100deg,transparent 30%,rgba(255,255,255,.55) 48%,transparent 62%);
  background-size:250% 100%;animation:sheen 4.5s ease-in-out infinite}
@keyframes sheen{0%{background-position:130% 0}60%,100%{background-position:-60% 0}}
/* 0/1 二进制雨 */
.bits{position:absolute;inset:0;overflow:hidden;pointer-events:none;z-index:4}
.bits span{position:absolute;color:rgba(120,120,120,.45);font-family:Consolas,monospace;font-weight:700;animation:rise linear infinite;top:102%}
@keyframes rise{to{transform:translateY(-760px);opacity:0}}
.hero-dots{position:absolute;bottom:26px;left:50%;transform:translateX(-50%);display:flex;gap:10px;z-index:9}
.hero-dots i{width:36px;height:4px;border-radius:2px;background:#e2e2e2;cursor:pointer;transition:.3s}
.hero-dots i.on{background:var(--red);width:54px}
.hero-arrow{position:absolute;top:50%;transform:translateY(-50%);z-index:9;width:52px;height:52px;border-radius:50%;background:#fff;border:1px solid #e5e5e5;font-size:24px;color:#666;display:flex;align-items:center;justify-content:center;cursor:pointer;transition:.25s;user-select:none;box-shadow:0 4px 16px rgba(0,0,0,.12);line-height:1}
.hero-arrow:hover{background:var(--red);color:#fff;border-color:var(--red);transform:translateY(-50%) scale(1.08);box-shadow:0 8px 22px rgba(215,0,15,.35)}
.hero-arrow.prev{left:30px}.hero-arrow.next{right:30px}

/* ================= 区块 ================= */
section.sec{padding:84px 0}
.sec-head{text-align:center;margin-bottom:32px}
.sec-head .kicker{display:inline-block;font-size:12px;font-weight:700;letter-spacing:4px;color:var(--red);border:1px solid rgba(215,0,15,.35);padding:4px 18px;border-radius:20px;margin-bottom:16px}
.sec-head h2{font-size:36px;font-weight:900;letter-spacing:3px}
.sec-head h2 em{font-style:normal;color:var(--red)}
.sec-head .en{font-size:12px;color:#c0c0c0;letter-spacing:4px;margin-top:8px;font-weight:600}
.sec-head .bar{width:52px;height:4px;background:var(--red);margin:18px auto 0}
/* 关于大赛宣传片 */
.about-video{display:block;width:100%;height:auto;margin-top:0;border-radius:24px;background:#000;box-shadow:0 18px 44px rgba(0,0,0,.18)}

/* 快捷入口 */
.quick{position:relative;z-index:10;margin-top:-58px}
.quick .wrap{display:grid;grid-template-columns:repeat(5,1fr);gap:16px}
.quick a{background:#fff;border-radius:24px;padding:26px 14px;text-align:center;box-shadow:0 12px 34px rgba(0,0,0,.1);transition:.3s;border-bottom:3px solid transparent}
.quick a:hover{transform:translateY(-6px);border-bottom-color:var(--red)}
.quick .ic{font-size:30px;font-style:normal;line-height:1}
.quick img.ic{height:44px;width:auto;max-width:90%;object-fit:contain;display:block;margin:0 auto}
.quick b{display:block;font-size:15px;margin-top:10px;letter-spacing:1px}
.quick span{display:block;font-size:12px;color:#999;margin-top:3px}

/* 通用卡片 */
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.card{background:#fff;border-radius:8px;overflow:hidden;box-shadow:0 4px 20px rgba(0,0,0,.06);transition:.3s;cursor:pointer;border:1px solid #f0f0f0}
.card:hover{transform:translateY(-8px);box-shadow:0 18px 40px rgba(215,0,15,.12);border-color:transparent}
.card .img{height:225px;overflow:hidden;display:flex;align-items:center;justify-content:center}
.card .img img{height:100%;width:100%;object-fit:cover;transition:.6s}
.card:hover .img img{transform:scale(1.05)}
.card .body{padding:22px 24px 26px}
.card .body h3{font-size:18.5px;margin-bottom:8px;transition:.2s}
.card:hover .body h3{color:var(--red)}
.card .body p{font-size:13.8px;color:#8a8a8a;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}

/* 数据带 */
.stats{background:#141414;color:#fff;position:relative;overflow:hidden}
.stats::before{content:"";position:absolute;inset:0;background:radial-gradient(600px 200px at 20% 50%,rgba(215,0,15,.25),transparent),radial-gradient(600px 200px at 80% 50%,rgba(215,0,15,.18),transparent)}
.stats .wrap{position:relative;display:grid;grid-template-columns:repeat(4,1fr);gap:20px;text-align:center;padding:56px 0}
.stats b{font-size:44px;font-weight:600}
.stats b small{font-size:20px}
.stats span{font-size:13.5px;color:#999;letter-spacing:1px}

/* 时间线 */
.timeline{position:relative;max-width:920px;margin:0 auto}
.timeline::before{content:"";position:absolute;left:50%;top:6px;bottom:6px;width:2px;background:linear-gradient(#f3c1c5,#D7000F)}
.tl-item{position:relative;width:50%;padding:0 46px 48px}
.tl-item:nth-child(odd){left:0;text-align:right}
.tl-item:nth-child(even){left:50%}
.tl-item .node{position:absolute;top:6px;width:15px;height:15px;border-radius:50%;background:#fff;border:4px solid var(--red);box-shadow:0 0 0 4px rgba(215,0,15,.15)}
.tl-item:nth-child(odd) .node{right:-7.5px}
.tl-item:nth-child(even) .node{left:-7.5px}
.tl-item h4{color:var(--red);font-size:18px;margin-bottom:4px;font-weight:800}
.tl-item .stage{font-size:12px;color:#fff;background:var(--red);padding:1px 10px;border-radius:12px;display:inline-block;margin-bottom:8px;letter-spacing:2px}
.tl-item p{font-size:14.5px;color:#777}

/* 内页头 */
.page-banner{position:relative;padding:74px 0;background:#fff;overflow:hidden}
.page-banner::before{content:"";position:absolute;right:-6%;top:-60%;width:46%;height:220%;background:radial-gradient(closest-side,rgba(215,0,15,.07),transparent 70%)}
.page-banner::after{content:"0 1 0 0 1 1 0 1 0 0 1";position:absolute;right:6%;bottom:18px;font-family:Consolas,monospace;color:#eee;font-size:26px;letter-spacing:10px;font-weight:700}
.page-banner h1{font-size:40px;font-weight:900;letter-spacing:3px}
.page-banner h1 em{font-style:normal;color:var(--red)}
.page-banner .en{font-size:12px;color:#c0c0c0;letter-spacing:4px;margin-top:8px;font-weight:600}
.crumb{font-size:13px;color:#999;padding:16px 0 0}
.crumb a:hover{color:var(--red)}

/* 文章 */
.article{background:#fff;border:1px solid #f0f0f0;border-radius:8px;padding:52px 58px;box-shadow:0 4px 20px rgba(0,0,0,.04)}
.article h2{font-size:23px;color:#141414;margin:38px 0 16px;padding-left:14px;border-left:5px solid var(--red);letter-spacing:1px}
.article h2:first-child{margin-top:0}
.article h3{font-size:17.5px;margin:22px 0 10px;color:#333}
.article p,.article li{font-size:15.5px;color:#4a4a4a;margin-bottom:10px}
.article ul{padding-left:22px;list-style:disc}
.article b{color:#141414}
.article table{width:100%;border-collapse:collapse;margin:16px 0}
.article th,.article td{border:1px solid #ececec;padding:11px 15px;font-size:14.5px;text-align:left;vertical-align:top}
.article th{background:#fdf2f3;color:var(--red-dark);font-weight:700;white-space:nowrap}
/* 详情页：图文并茂组件 */
.vsec{margin-bottom:60px}
.vsec-head{display:flex;align-items:baseline;gap:14px;margin-bottom:22px;border-bottom:2px solid #f0f0f0;padding-bottom:12px}
.vsec-head .no{font-family:Georgia,serif;font-size:30px;font-weight:900;color:var(--red);line-height:1}
.vsec-head h2{font-size:24px;font-weight:900;letter-spacing:1px}
.vsec-head .en{margin-left:auto;font-size:11px;color:#c0c0c0;letter-spacing:3px;font-weight:700}

/* 主题卡 */
.theme-card{display:flex;align-items:center;gap:40px;background:linear-gradient(115deg,#fff,#fdf2f3);border:1px solid #f3dade;border-radius:10px;padding:40px 46px}
.theme-card .big{font-size:40px;font-weight:900;color:var(--red);letter-spacing:10px;line-height:1.2}
.theme-card .en{font-size:13px;color:#c0c0c0;letter-spacing:5px;margin-top:8px;font-weight:700}
.theme-card p{margin-top:18px;color:#666;font-size:15px}
.theme-card img{width:200px;flex:none}

/* 关键信息条 */
.kv-row{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.kv{background:#fff;border:1px solid #f0f0f0;border-left:4px solid var(--red);border-radius:6px;padding:22px 24px}
.kv .k{font-size:12px;color:#999;letter-spacing:2px;font-weight:700}
.kv .v{font-size:20px;font-weight:800;margin-top:6px;color:#141414}
.kv .v small{font-size:13px;color:#888;font-weight:400}

/* 组织单位 */
.org-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.org{background:#fff;border:1px solid #f0f0f0;border-radius:8px;padding:18px 22px;transition:.2s}
.org:hover{border-color:var(--red);box-shadow:0 8px 22px rgba(215,0,15,.1)}
.org .role{font-size:11px;font-weight:800;color:#fff;background:var(--red);display:inline-block;padding:2px 12px;border-radius:12px;letter-spacing:2px;margin-bottom:8px}
.org .role.s{background:#5a6672}
.org .role.t{background:#7B4A2D}
.org h4{font-size:15.5px;line-height:1.5}

/* 1+N 赛制图 */
.form-diagram{background:#fff;border:1px solid #f0f0f0;border-radius:10px;padding:40px}
.form-main{text-align:center;margin-bottom:30px}
.form-main .badge{display:inline-flex;align-items:center;justify-content:center;gap:14px;width:min(428px,100%);background:linear-gradient(135deg,#D7000F,#ff6a58);color:#fff;padding:18px 40px;border-radius:10px;box-shadow:0 10px 26px rgba(215,0,15,.3)}
.form-main .badge b{font-size:26px;letter-spacing:2px;color:#fff}
.form-main .badge span{font-size:13px;opacity:.9;color:#fff}
.form-flow{display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:30px;margin-top:24px}
.form-flow .sp-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.sp-mini{border-radius:8px;padding:20px 16px;text-align:center;color:#fff;box-shadow:0 6px 18px rgba(0,0,0,.12)}
.sp-mini.brown{background:linear-gradient(135deg,#7B4A2D,#a67b52)}
.sp-mini.silver{background:linear-gradient(135deg,#5a6672,#8b96a1)}
.sp-mini.cmft{background:linear-gradient(135deg,#D7000F 0%,#69a82c 38%,#8a9199 68%,#1a6fbe 100%)}
.sp-mini b{display:block;font-size:15px;line-height:1.4;color:#fff}
.sp-mini span{font-size:11px;opacity:.9;color:#fff}
.flow-arrow{font-size:28px;color:#bbb}
.stages{display:flex;gap:14px;justify-content:center;margin-top:30px}
.stage-pill{padding:10px 24px;border:1px solid #e5e5e5;border-radius:30px;font-size:14px;font-weight:700;color:#555}
.stage-pill b{color:var(--red)}

/* 类别卡 */
.cat-cards{display:grid;grid-template-columns:repeat(5,1fr);gap:14px}
.catc{background:#fff;border:1px solid #f0f0f0;border-radius:8px;padding:24px 16px;text-align:center;transition:.25s}
.catc:hover{transform:translateY(-6px);border-color:var(--red);box-shadow:0 12px 26px rgba(215,0,15,.12)}
.catc .ic{font-size:30px;display:block;margin-bottom:8px}
.catc img.ic{height:46px;width:auto;max-width:90%;object-fit:contain;margin:0 auto 10px}
.catc b{font-size:14.5px;display:block;line-height:1.4}
.catc span{font-size:11px;color:#999;display:block;margin-top:4px}

/* 奖牌卡 */
.award-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.award{background:#fff;border:1px solid #f0f0f0;border-radius:8px;padding:24px 20px;text-align:center;position:relative;overflow:hidden}
.award::before{content:"";position:absolute;top:0;left:0;right:0;height:4px}
.award.gold::before{background:linear-gradient(90deg,#e8b73c,#ffd86b)}
.award.silver::before{background:linear-gradient(90deg,#b0b0b0,#dadada)}
.award.bronze::before{background:linear-gradient(90deg,#c08453,#e0a878)}
.award.green::before{background:linear-gradient(90deg,#5ba829,#9ed455)}
.award .medal{font-size:30px}
.award b{display:block;font-size:16px;margin:8px 0 4px}
.award .lvl{font-size:12px;color:#999;letter-spacing:1px}
.award .cnt{font-size:13px;color:var(--red);font-weight:700;margin-top:6px}

/* 奖项设置 v2（按段分组） */
.award-v2{margin-top:8px}
.ag-card{background:#fff;border:1px solid #f0f0f0;border-left:4px solid var(--red);border-radius:8px;padding:24px 28px;margin-bottom:16px;transition:.25s}
.ag-card:hover{box-shadow:0 10px 28px rgba(215,0,15,.08)}
.ag-head{display:flex;align-items:center;gap:14px;margin-bottom:18px}
.ag-no{width:36px;height:36px;border-radius:50%;background:var(--red);color:#fff;font-family:Georgia,serif;font-weight:900;display:flex;align-items:center;justify-content:center;flex:none;font-size:15px}
.ag-head b{font-size:18px;letter-spacing:1px}
.ag-sub{font-size:12px;color:#999;margin-left:10px;font-weight:600}
.ag-medals{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:14px}
.mp{display:inline-flex;align-items:center;gap:9px;padding:9px 18px;border-radius:30px;font-size:14px;font-weight:700;color:#333;background:#f7f7f8;border:1px solid #e8e8e8;transition:.2s}
.mp i{font-style:normal;font-size:19px;line-height:1}
.mp b{color:var(--red);font-weight:800;margin-left:2px}
.mp.gold{background:linear-gradient(135deg,#fff7e0,#fef0c4);border-color:#e8b73c}.mp.gold i{color:#c89000}
.mp.silver{background:linear-gradient(135deg,#f6f6f6,#e9e9e9);border-color:#b0b0b0}.mp.silver i{color:#8a8a8a}
.mp.bronze{background:linear-gradient(135deg,#f7ece0,#ecd6b8);border-color:#c08453}.mp.bronze i{color:#9a5d2a}
.mp.merit{background:#eaf3ff;border-color:#9cc4ee}.mp.merit i{color:#1a6fbe}
.mp.hot{background:linear-gradient(135deg,#ffe9ea,#ffd0d3);border-color:var(--red)}.mp.hot i{color:var(--red)}
.mp.star{background:linear-gradient(135deg,#fff7e0,#ffe9b3);border-color:#e8b73c}.mp.star i{color:#c89000}
.ag-extra{font-size:14px;color:#555;margin-bottom:12px;padding:10px 14px;background:#fafafa;border-radius:6px;line-height:1.7}
.ag-extra b{color:var(--red-dark)}
.ag-note{font-size:13px;color:#888;line-height:1.75}
.ag-row{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-bottom:16px}
.ag-mini{background:#fff;border:1px solid #f0f0f0;border-radius:8px;padding:20px 22px;transition:.25s}
.ag-mini:hover{border-color:var(--red);box-shadow:0 10px 26px rgba(215,0,15,.08)}
.ag-mini-head{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.ag-mini-head b{font-size:15.5px;letter-spacing:.5px}
.ag-mini-body{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:12px}
.ag-foot{font-size:13.5px;color:#555;background:#fdf2f3;border:1px dashed #f3dade;border-radius:6px;padding:12px 18px;margin-top:8px;line-height:1.7}

/* 联系卡 */
.contact-card{display:grid;grid-template-columns:1.2fr 1fr;gap:0;border:1px solid #f0f0f0;border-radius:10px;overflow:hidden}
.contact-card .left{padding:36px 40px;background:#fdf2f3}
.contact-card .left h3{color:var(--red);margin-bottom:14px}
.contact-card .right{padding:36px 40px;background:#141414;color:#bbb}
.contact-card .right h3{color:#fff;margin-bottom:14px}
.contact-card .right a{color:#ffd9dc}

@media(max-width:960px){
  .kv-row,.org-grid,.award-grid{grid-template-columns:1fr 1fr}
  .cat-cards{grid-template-columns:repeat(2,1fr)}
  .form-flow{grid-template-columns:1fr;gap:18px}
  .form-flow .sp-cards{grid-template-columns:1fr}
  .flow-arrow{transform:rotate(90deg)}
  .theme-card{flex-direction:column;text-align:center}
  .contact-card{grid-template-columns:1fr}
  .pc-slide{flex:0 0 100%!important}
}

.poster-single{margin:0 0 44px;background:none;border:0;box-shadow:none;padding:0}
.poster-single img{display:block;width:100%;height:auto}
.poster-carousel{position:relative;margin-bottom:44px;background:#fff;border:1px solid #f0f0f0;border-radius:8px;box-shadow:0 6px 24px rgba(0,0,0,.05);overflow:hidden}
.pc-viewport{overflow:hidden}
.pc-track{display:flex;transition:transform .55s cubic-bezier(.2,.7,.3,1)}
.pc-slide{flex:0 0 50%;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:24px 16px 14px}
.pc-slide .pimg{height:520px;display:flex;align-items:center;justify-content:center}
.pc-slide .pimg img{max-height:100%;width:auto;max-width:100%;box-shadow:0 10px 30px rgba(0,0,0,.1)}
.pc-cap{text-align:center;padding:18px 10px 6px;font-size:15.5px;font-weight:800;letter-spacing:1px}
.pc-cap small{display:block;font-size:12px;color:#b5b5b5;font-weight:600;letter-spacing:2px;margin-top:2px}
.pc-arrow{position:absolute;top:46%;z-index:5;width:46px;height:46px;border-radius:50%;background:rgba(255,255,255,.92);border:1px solid #e5e5e5;font-size:20px;color:#666;display:flex;align-items:center;justify-content:center;cursor:pointer;transition:.25s;box-shadow:0 4px 14px rgba(0,0,0,.12);user-select:none;line-height:1}
.pc-arrow:hover{background:var(--red);color:#fff;border-color:var(--red)}
.pc-arrow.prev{left:18px}.pc-arrow.next{right:18px}
.pc-dots{display:flex;justify-content:center;gap:9px;padding:8px 0 20px}
.pc-dots i{width:30px;height:4px;border-radius:2px;background:#e2e2e2;cursor:pointer;transition:.3s}
.pc-dots i.on{background:var(--red);width:44px}
.pc-count{position:absolute;top:16px;right:20px;font-family:Georgia,serif;font-size:14px;color:#999;letter-spacing:2px;background:#fff;border:1px solid #eee;border-radius:14px;padding:2px 12px}

/* 动态列表 */
.news-item{display:flex;gap:24px;background:#fff;border:1px solid #f0f0f0;border-radius:8px;padding:24px 26px;margin-bottom:18px;transition:.25s}
.news-item:hover{transform:translateX(8px);box-shadow:0 10px 28px rgba(215,0,15,.1);border-color:transparent}
.news-item .date{flex:none;width:88px;text-align:center;background:#fdf2f3;border-radius:6px;padding:12px 0;height:fit-content}
.news-item .date b{display:block;font-size:32px;color:var(--red);line-height:1.1;font-family:Georgia,serif}
.news-item .date span{font-size:12.5px;color:#b06}
.news-item h3{font-size:18px;margin-bottom:6px;transition:.2s}
.news-item h3 a:hover{color:var(--red)}
.news-item p{font-size:14px;color:#8a8a8a}

/* 表单 */
.form-panel{max-width:820px;margin:0 auto;background:#fff;border:1px solid #f0f0f0;border-radius:8px;padding:48px 54px;box-shadow:0 8px 30px rgba(0,0,0,.06)}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.field{display:flex;flex-direction:column;gap:7px}
.field.full{grid-column:1/-1}
.field label{font-size:14px;font-weight:700}
.field label i{color:var(--red);font-style:normal;margin-left:2px}
.field input,.field select,.field textarea{padding:12px 15px;border:1px solid #ddd;border-radius:4px;font-size:14.5px;font-family:inherit;transition:.2s;outline:none;background:#fcfcfc}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--red);background:#fff;box-shadow:0 0 0 3px rgba(215,0,15,.08)}
.auth-tabs{display:flex;margin-bottom:32px;border-bottom:2px solid #eee}
.auth-tabs button{flex:1;padding:15px;background:none;border:none;font-size:17px;font-weight:800;color:#999;cursor:pointer;border-bottom:3px solid transparent;letter-spacing:3px}
.auth-tabs button.on{color:var(--red);border-bottom-color:var(--red)}
.login-panel{max-width:440px}

/* ================= 专项赛页 ================= */
.sp-hero{padding:78px 0 64px;background:#fff;position:relative;overflow:hidden}
.sp-hero::before{content:"0 1 0 1 1 0 0 1 0 1 0 1 1 0";position:absolute;left:4%;top:24px;font-family:Consolas,monospace;color:#f0f0f0;font-size:22px;letter-spacing:12px;font-weight:700}
.sp-hero .wrap{display:flex;align-items:center;gap:56px}
.sp-hero .txt{flex:1;position:relative;z-index:2}
.sp-hero .kicker{display:inline-block;font-size:13px;font-weight:800;letter-spacing:3px;color:#fff;background:var(--sp,#D7000F);padding:5px 18px;border-radius:20px;margin-bottom:18px}
.sp-hero h1{font-size:68px;font-weight:900;line-height:1.35;letter-spacing:2px}
.sp-hero h1 em{font-style:normal;color:var(--sp,#D7000F)}
.sp-hero .en{font-size:12px;color:#c0c0c0;letter-spacing:3px;margin-top:8px;font-weight:600}
.sp-hero p.desc{margin:18px 0 28px;color:#777;font-size:15.5px}
.sp-hero .pic{flex:none;width:440px;position:relative;z-index:1}
.sp-hero .pic img{animation:floatY 6s ease-in-out infinite}
.cat-item{display:flex;gap:22px;background:#fff;border:1px solid #f0f0f0;border-radius:8px;padding:26px 30px;margin-bottom:16px;transition:.25s;position:relative;overflow:hidden}
.cat-item::before{content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background:var(--sp,#D7000F);transform:scaleY(0);transition:.25s;transform-origin:top}
.cat-item:hover{transform:translateY(-4px);box-shadow:0 12px 30px rgba(0,0,0,.09)}
.cat-item:hover::before{transform:scaleY(1)}
.cat-item .num{flex:none;width:54px;height:54px;border-radius:8px;background:var(--sp-tint,#fdf2f3);color:var(--sp,#D7000F);font-size:25px;font-weight:900;font-family:Georgia,serif;display:flex;align-items:center;justify-content:center}
.cat-item h3{font-size:18px;margin-bottom:6px}
.cat-item p{font-size:14.5px;color:#8a8a8a}
/* 三专项赛主题色 */
.theme-coffee{--sp:#7B4A2D;--sp-tint:#f3ebe4;--sp-bg:#faf6f1}
.theme-bath{--sp:#5a6672;--sp-tint:#eaeef1;--sp-bg:#f6f8f9}
.theme-cmft{--sp:#D7000F;--sp-tint:#fdf2f3;--sp-bg:#fffafa}
body[class*=theme-] .sp-hero{background:var(--sp-bg)}
body[class*=theme-] .sec-head h2 em{color:var(--sp)}
body[class*=theme-] .sec-head .bar{background:var(--sp)}
body[class*=theme-] .sec-head .kicker{color:var(--sp);border-color:var(--sp)}
body[class*=theme-] .btn-red{background:var(--sp)}
body[class*=theme-] .btn-red:hover{filter:brightness(.88);box-shadow:0 8px 20px rgba(0,0,0,.2)}
/* CMFT 四要素 */
.cmft-colors{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;margin:8px 0 20px}
.cmft-colors .cbox{border-radius:8px;padding:28px 22px;color:#fff;box-shadow:0 8px 22px rgba(0,0,0,.14);transition:.25s}
.cmft-colors .cbox:hover{transform:translateY(-6px)}
.cmft-colors .cbox b{font-size:19px;letter-spacing:2px;font-family:Georgia,serif}
.cmft-colors .cbox span{display:block;font-size:14px;opacity:.92;margin-top:4px}
.c-red{background:linear-gradient(135deg,#D7000F,#ff6a58)}
.c-green{background:linear-gradient(135deg,#69a82c,#9ed455)}
.c-silver{background:linear-gradient(135deg,#8a9199,#cfd4d9);color:#222}
.c-blue{background:linear-gradient(135deg,#1a6fbe,#4aa0e8)}
.c-orange{background:linear-gradient(135deg,#e8862d,#f2a45a)}
/* CMFT 字母四色 */
.cmft-c{color:#e8862d}
.cmft-m{color:#69a82c}
.cmft-f{color:#D7000F}
.cmft-t{color:#1a6fbe}

/* 页脚 */
footer{background:#111;color:#9a9a9e;margin-top:90px;padding:60px 0 0}
footer .wrap{display:grid;grid-template-columns:repeat(24,1fr);gap:32px;padding-bottom:40px}
@media(min-width:961px){
  footer .wrap>div:nth-child(1){grid-column:span 10}
  footer .wrap>div:nth-child(2){grid-column:span 4}
  footer .wrap>div:nth-child(3){grid-column:span 7}
  footer .wrap>div:nth-child(4){grid-column:span 3}
}
.foot-qr{display:block;width:128px;max-width:100%;height:auto;background:#fff;border-radius:6px}
footer h4{color:#fff;font-size:16px;margin-bottom:16px;letter-spacing:1px}
footer h4::after{content:"";display:block;width:26px;height:3px;background:var(--red);margin-top:8px}
footer a:hover{color:#fff}
footer p{font-size:14px}
footer .copy{border-top:1px solid #2a2a2a;text-align:center;padding:18px 0;font-size:13px;color:#777;letter-spacing:1px}
footer .copy b{color:#bbb}

/* 滚动显现 & 返回顶部 */
.reveal{opacity:0;transform:translateY(34px);transition:.75s cubic-bezier(.2,.7,.3,1)}
.reveal.vis{opacity:1;transform:none}
#backTop{position:fixed;right:28px;bottom:34px;width:46px;height:46px;border-radius:50%;background:#fff;border:1px solid #e5e5e5;color:#666;font-size:18px;display:flex;align-items:center;justify-content:center;cursor:pointer;opacity:0;visibility:hidden;transition:.3s;z-index:99;box-shadow:0 6px 18px rgba(0,0,0,.1)}
#backTop.show{opacity:1;visibility:visible}
#backTop:hover{background:var(--red);color:#fff;border-color:var(--red)}

@media(max-width:960px){
  /* ===== 顶栏：汉堡抽屉 ===== */
  header.nav{height:60px;backdrop-filter:none;background:#fff}
  .nav-lang{display:none}
  .logo-award{height:38px;margin-left:0}
  .nav-burger{display:flex}
  nav.menu{display:none;position:fixed;top:60px;left:0;right:0;bottom:0;background:#fff;flex-direction:column;align-items:stretch;height:auto;padding:8px 0 24px;overflow-y:auto;z-index:199;box-shadow:0 10px 30px rgba(0,0,0,.08)}
  nav.menu.open{display:flex}
  nav.menu>a,nav.menu .drop>a{height:auto;padding:15px 24px;font-size:16px;border-bottom:1px solid #f3f3f3;width:100%;justify-content:flex-start}
  nav.menu>a.active::after,nav.menu .drop>a.active::after{left:24px;right:auto;width:30px}
  nav.menu .login-btn{width:auto;align-self:stretch;margin:14px 24px 0;padding:13px;text-align:center;font-size:16px}
  .lang-switch-drawer{display:block}
  .drop{height:auto}
  .drop-menu{position:static;opacity:1;visibility:visible;transform:none;box-shadow:none;border-top:none;min-width:0;display:none;background:#fafafa}
  .drop.ex .drop-menu{display:block}
  .drop-menu a{padding:13px 24px 13px 40px}

  /* ===== Hero ===== */
  .hero{height:auto;padding:44px 0 64px;min-height:auto}
  .hero .slide{position:relative;inset:auto;padding:0;display:none}
  .hero .slide.on{display:flex}
  .hero .wrap{flex-direction:column;text-align:center;gap:24px}
  .hero .txt{max-width:100%}
  .hero .year{font-size:34px}
  .hero .txt h1{font-size:28px;letter-spacing:1px;margin-top:6px}
  .hero .en{font-size:10px;letter-spacing:2px}
  .hero .theme{font-size:20px;letter-spacing:8px;margin-top:20px}
  .hero .theme-en{font-size:10px;letter-spacing:3px}
  .hero .meta{font-size:13.5px;margin-top:18px}
  .hero .cta{justify-content:center;flex-wrap:wrap;margin-top:24px}
  .hero .btn{padding:11px 24px;font-size:14px}
  .hero .art{width:70%;max-width:340px}
  .hero-arrow{width:42px;height:42px;font-size:20px}
  .hero-arrow.prev{left:10px}.hero-arrow.next{right:10px}
  .hero-dots{bottom:16px}
  .hero-dots i{width:24px}
  .hero-dots i.on{width:36px}

  /* ===== 快捷入口 6→2 ===== */
  .quick{margin-top:-40px}
  .quick .wrap{grid-template-columns:1fr 1fr;gap:12px}
  .quick a{padding:20px 10px}
  .quick .ic{font-size:26px}
  .quick img.ic{width:38px;height:38px}
  .quick b{font-size:14px;margin-top:8px}
  .quick span{font-size:11px}

  /* ===== 通用区块 ===== */
  section.sec{padding:54px 0}
  .sec-head{margin-bottom:34px}
  .sec-head h2{font-size:27px;letter-spacing:2px}
  .sec-head .en{font-size:11px}
  .grid3{grid-template-columns:1fr}
  .card .img{height:200px}

  /* 数据带 */
  .stats .wrap{grid-template-columns:1fr 1fr;gap:30px;padding:42px 0}
  .stats b{font-size:34px}
  .stats b small{font-size:16px}

  /* 时间线 */
  .tl-item{width:100%;left:0!important;text-align:left!important;padding-left:40px}
  .timeline::before{left:8px}
  .tl-item .node{left:0!important;right:auto!important}
  .tl-item:nth-child(odd) .node{right:auto}

  /* 内页头 */
  .page-banner{padding:48px 0}
  .page-banner::after{font-size:18px;letter-spacing:6px}
  .page-banner h1{font-size:28px;letter-spacing:2px}

  /* 文章/详情 */
  .article{padding:30px 20px}
  .article h2{font-size:20px}
  .article p,.article li{font-size:14.5px}
  .article th,.article td{padding:8px 10px;font-size:13px}
  .article table{display:block;overflow-x:auto;white-space:nowrap}
  .vsec{margin-bottom:40px}
  .vsec-head{gap:10px;flex-wrap:wrap}
  .vsec-head .no{font-size:24px}
  .vsec-head h2{font-size:19px}
  .vsec-head .en{width:100%;margin-left:0}
  .theme-card{flex-direction:column;text-align:center;gap:20px;padding:28px 22px}
  .theme-card .big{font-size:28px;letter-spacing:6px}
  .theme-card img{width:140px}
  .kv-row,.org-grid{grid-template-columns:1fr}
  .form-diagram{padding:24px 18px}
  .form-flow{grid-template-columns:1fr;gap:18px}
  .form-flow .sp-cards{grid-template-columns:1fr}
  .flow-arrow{transform:rotate(90deg);text-align:center}
  .cat-cards{grid-template-columns:1fr 1fr}
  .award-grid{grid-template-columns:1fr 1fr}
  .ag-row{grid-template-columns:1fr}
  .ag-card{padding:20px 18px}
  .contact-card{grid-template-columns:1fr}
  .contact-card .left,.contact-card .right{padding:26px 22px}
  .stages{flex-wrap:wrap}

  /* 海报轮播 */
  .pc-slide{flex:0 0 100%!important}
  .pc-slide .pimg{height:420px}
  .pc-arrow{top:48px;width:38px;height:38px;font-size:18px}

  /* 动态列表 */
  .news-item{flex-direction:column;gap:14px;padding:20px}
  .news-item .date{width:auto;display:flex;align-items:center;gap:10px;justify-content:center;padding:8px 14px}
  .news-item .date b{font-size:24px}
  .news-item h3{font-size:16px}

  /* 表单/登录 */
  .form-panel{padding:30px 18px}
  .form-grid{grid-template-columns:1fr}
  .login-panel{max-width:100%;padding:30px 22px}
  .auth-tabs button{font-size:15px;letter-spacing:2px;padding:13px}

  /* 专项赛页 */
  .sp-hero{padding:48px 0 40px}
  .sp-hero .wrap{flex-direction:column;gap:28px}
  .sp-hero .pic{width:100%;max-width:320px}
  .sp-hero h1{font-size:26px;line-height:1.4}
  .sp-hero p.desc{font-size:14.5px}
  .cat-item{flex-direction:row;gap:14px;padding:18px}
  .cat-item .num{width:44px;height:44px;font-size:20px}
  .cat-item h3{font-size:16px}
  .cat-item p{font-size:13.5px}
  .cmft-colors{grid-template-columns:1fr 1fr}

  /* 页脚 */
  footer{margin-top:60px;padding:42px 0 0}
  footer .wrap{grid-template-columns:1fr;gap:26px;padding-bottom:28px}
}

@media(max-width:480px){
  .wrap{width:94%}
  .logo{gap:8px}
  .logo-award{height:32px;margin-left:0}
  .hero .year{font-size:26px}
  .hero .txt h1{font-size:22px}
  .hero .theme{font-size:17px;letter-spacing:5px;margin-top:14px}
  .hero .meta{font-size:12.5px}
  .hero .art{width:80%;max-width:260px}
  .hero .cta{flex-direction:column;gap:10px}
  .hero .btn{width:100%}
  .hero-arrow{display:none}
  .quick{margin-top:-32px}
  .quick .wrap{grid-template-columns:1fr}
  .quick a{padding:16px 12px}
  .quick img.ic{width:32px;height:32px}
  .sec-head h2{font-size:23px}
  .stats .wrap{grid-template-columns:1fr 1fr;gap:22px}
  .stats b{font-size:28px}
  .page-banner h1{font-size:22px}
  .vsec-head h2{font-size:17px}
  .theme-card .big{font-size:22px;letter-spacing:4px}
  .cat-cards{grid-template-columns:1fr}
  .award-grid{grid-template-columns:1fr}
  .cmft-colors{grid-template-columns:1fr}
  .pc-slide .pimg{height:360px}
  .sp-hero h1{font-size:22px}
  header.nav{height:54px}
  nav.menu{top:54px}
}

/* 01 名称及主题：背景图版本 */
.theme-card.theme-card-bg{display:flex;align-items:center;min-height:300px;padding:40px 56px 40px 38%;
  background:url("theme-card-bg.png") center/cover no-repeat #fff}
.theme-card.theme-card-bg .theme-card-copy{width:100%}
@media(min-width:961px){
  html[lang="en"] .theme-card.theme-card-bg .big{font-size:32px;letter-spacing:4px}
}
@media(max-width:960px){
  .theme-card.theme-card-bg{display:block;min-height:0;text-align:left;
    padding:calc(25.4% + 24px) 22px 26px;
    background-size:100% auto;background-position:top center;background-repeat:no-repeat}
  .theme-card.theme-card-bg .big{font-size:30px;letter-spacing:6px}
}
@media(max-width:480px){
  .theme-card.theme-card-bg{padding:calc(25.4% + 20px) 18px 22px}
  .theme-card.theme-card-bg .big{font-size:24px;letter-spacing:4px}
}

/* ================= 主体赛页面 ================= */
.main-lead{margin-bottom:48px;padding:22px 26px;background:#fdf7f7;border-left:4px solid var(--red);border-radius:0 8px 8px 0}
.main-lead p{margin:0;font-size:15.5px;color:#555;line-height:1.9}
.time-band{display:flex;align-items:baseline;gap:18px;flex-wrap:wrap;padding:26px 30px;background:#141414;color:#fff;border-radius:10px}
.time-band .k{font-size:12px;letter-spacing:2px;color:#9a9a9a}
.time-band b{font-size:34px;font-weight:800;letter-spacing:2px;color:#fff}
.time-band .note{font-size:13px;color:#8f8f8f}
.form-highlight{display:flex;align-items:center;gap:16px;flex-wrap:wrap;padding:26px 30px;border:1px solid #f3dade;border-radius:10px;background:linear-gradient(115deg,#fff,#fdf2f3)}
.form-highlight .tag{background:var(--red);color:#fff;font-size:13px;font-weight:700;padding:5px 16px;border-radius:20px;letter-spacing:2px}
.form-highlight b{font-size:22px;color:#141414}
.scope-cat{align-items:flex-start}
.scope-cat p{color:#555;font-size:15px;line-height:1.9}
.prize-note{padding:24px 30px;background:var(--sp-tint,#fdf2f3);border-left:4px solid var(--sp,#D7000F);border-radius:0 10px 10px 0;font-size:17px;font-weight:600;color:#141414;line-height:1.8;letter-spacing:.3px}
.prize-board{border:1px solid #ececec;border-radius:12px;overflow:hidden;background:#fff}
.prize-row{display:grid;grid-template-columns:1.5fr .9fr 1.1fr;align-items:center;gap:10px;padding:18px 30px;border-top:1px solid #f2f2f2}
.prize-row:first-child{border-top:0}
.prize-row b{font-size:17px;color:#141414}
.prize-ico{font-style:normal;font-size:20px;margin-right:8px;vertical-align:-2px}
.prize-row > span{font-size:14px;color:#777;text-align:center}
.prize-row em{font-style:normal;font-size:19px;font-weight:800;color:var(--sp,var(--red));text-align:right}
.prize-head{background:var(--sp-tint,#fdf7f7);padding:12px 30px}
.prize-head span{font-size:11px;letter-spacing:2px;color:#a0a0a0;font-weight:700}
.prize-head span:first-child{text-align:left}
.prize-head span:last-child{text-align:right}
.main-cta{margin-top:36px;text-align:center}
@media(max-width:960px){
  .main-lead{margin-bottom:32px;padding:18px}
  .time-band{padding:20px;gap:8px 14px}
  .time-band b{font-size:26px}
  .form-highlight{padding:20px}
  .form-highlight b{font-size:18px}
  .main-cta{margin-top:28px}
  .prize-row{padding:16px 18px;gap:6px;grid-template-columns:1.45fr .75fr 1.1fr}
  .prize-row b{font-size:15.5px}
  .prize-ico{font-size:18px;margin-right:6px}
  .prize-row > span{font-size:12.5px}
  .prize-row em{font-size:16px}
  .prize-head{padding:10px 18px}
  .prize-note{padding:18px;font-size:15px}
}
/* 新增「主体赛」后，英文导航在 1101—1200 略收紧 */
@media(max-width:1200px) and (min-width:1101px){
  html[lang="en"] nav.menu>a,
  html[lang="en"] nav.menu .drop>a{padding:0 10px;font-size:14.5px}
  html[lang="en"] nav.menu .login-btn{padding:8px 14px}
}

/* ================= 主体赛 hero（参考专项赛分栏） ================= */
.main-hero{padding:0;background:#F7F7F8}
.main-hero::before{display:none}
.main-hero .wrap{padding:70px 56px 56px;background:url(main-hero-bg.png) center/cover no-repeat;border-radius:2px}
.main-hero .txt{flex:none;width:62%;max-width:700px}
.main-hero h1{font-size:62px}
.main-hero .hero-meta{display:flex;flex-wrap:wrap;margin:-6px 0 26px;font-size:14px;color:#141414;font-weight:700;letter-spacing:.4px}
.main-hero .hero-meta span{white-space:nowrap}
.main-hero .hero-meta span+span::before{content:"｜";color:#d8d8d8;margin:0 14px}
html[lang="en"] .main-hero h1{font-size:40px}
@media(max-width:1200px) and (min-width:961px){
  .main-hero h1{font-size:52px}
  html[lang="en"] .main-hero h1{font-size:32px}
}
@media(max-width:1100px) and (min-width:1001px){
  .main-hero h1{font-size:40px}
  html[lang="en"] .main-hero h1{font-size:28px}
}
@media(max-width:1000px) and (min-width:961px){
  .main-hero h1{font-size:36px}
  html[lang="en"] .main-hero h1{font-size:26px}
}
@media(max-width:960px){
  .main-hero .wrap{padding:36px 20px 32px;background-image:linear-gradient(180deg,rgba(255,255,255,.9),rgba(255,255,255,.84)),url(main-hero-bg.png);background-position:right center}
  .main-hero .txt{width:100%;max-width:none}
  .main-hero h1{font-size:26px}
  html[lang="en"] .main-hero h1{font-size:24px}
  .main-hero .hero-meta{font-size:12.5px;margin:-2px 0 22px;gap:2px 14px}
  .main-hero .hero-meta span+span::before{display:none}
}