:root{
  --teal-dark:#4A2D14; --teal:#9A5B2E; --teal-mid:#B97A45; --teal-light:#D8B083; --teal-bg:#F4E9DA;
  --amber:#B5762B; --amber-light:#D89A3C; --amber-bg:#FBF1DF;
  --ink:#2B2620; --muted:#736A5E; --line:#E6DDD0; --bg:#FBF7EF; --white:#FFF;
  --serif:'Noto Serif SC','SimSun','宋体',serif; --sans:'Noto Sans SC','Microsoft YaHei','微软雅黑',sans-serif;
  --mifei:'MiFeiTi','Noto Serif SC','SimSun','宋体',serif;
  --kangxi:'KangXi','Noto Serif SC','SimSun','宋体',serif;
  --maxw:1160px;
}
@font-face{
  font-family:'MiFeiTi';
  src:url('fonts/mifei.woff2') format('woff2');
  font-display:swap;
}

@font-face{
  font-family:'KangXi';
  src:url('fonts/kangxi.woff2') format('woff2');
  font-display:swap;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:var(--sans);color:var(--ink);background:var(--bg);line-height:1.75;font-size:15px}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}

/* ===== MAIN CONTENT (no left sidebar) ===== */
/* (团队风采已移至Tab区内左侧) */

/* ===== NAV ===== */
.nav{position:fixed;top:0;left:0;right:0;z-index:100;background:rgba(250,249,246,.94);backdrop-filter:blur(10px);border-bottom:0.5px solid var(--line)}
.nav-inner{max-width:var(--maxw);margin:0 auto;padding:0 24px;height:60px;display:flex;align-items:center;justify-content:center;gap:6px}
.logo{display:inline-flex;align-items:center;gap:7px;font-family:var(--mifei);font-size:17px;color:var(--teal-dark);font-weight:400;white-space:nowrap}
.logo:hover{color:var(--teal)}
.logo-mark{display:inline-block;width:30px;height:30px;flex-shrink:0;border-radius:4px;object-fit:contain}
.nav-links{display:flex;gap:10px;align-items:center}
.nav-links a{font-size:14px;color:#3D3428;font-weight:600;cursor:pointer;transition:color .2s;white-space:nowrap}
.nav-links a:hover{color:var(--teal)}
.nav-links a:not(.nav-submit):not(.nav-cta){font-family:var(--kangxi)}
.nav-cta{background:var(--teal);color:#fff !important;padding:7px 16px;border-radius:8px;font-size:13px}
.nav-cta:hover{background:var(--teal-dark)}
.nav-submit{background:var(--amber);color:#fff !important;padding:7px 16px;border-radius:8px;font-size:13px;font-weight:600;display:inline-flex;align-items:center;gap:4px;box-shadow:0 2px 8px rgba(181,118,43,.28);transition:background .2s,transform .2s,box-shadow .2s}
.nav-submit:hover{background:var(--amber-light);color:#fff !important;transform:translateY(-1px);box-shadow:0 4px 14px rgba(181,118,43,.4)}
.nav-auth{display:flex;gap:8px;align-items:center}
.nav-user{font-size:13px;color:var(--muted);max-width:96px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.nav-btn{font-size:13px;color:var(--teal);cursor:pointer;font-weight:500;padding:6px 12px;border-radius:8px;border:1px solid var(--line);background:#fff;transition:.2s;white-space:nowrap}
.nav-btn:hover{background:var(--teal-bg)}
.nav-btn-primary{background:var(--teal);color:#fff;border-color:var(--teal)}
.nav-btn-primary:hover{background:var(--teal-dark);color:#fff}
/* 登录/注册弹窗（首页） */
.mask{position:fixed;inset:0;background:rgba(0,0,0,.45);display:none;align-items:center;justify-content:center;z-index:1000;padding:16px}
.mask.show{display:flex}
.modal{background:#fff;border-radius:14px;width:100%;max-width:420px;box-shadow:0 20px 60px rgba(0,0,0,.25);overflow:hidden;animation:pop .2s ease}
@keyframes pop{from{transform:translateY(8px) scale(.98);opacity:0}to{transform:none;opacity:1}}
.modal-head{padding:16px 20px;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between}
.modal-head h3{margin:0;font-size:17px;color:var(--teal-dark)}
.modal-close{background:none;border:none;font-size:24px;cursor:pointer;color:var(--muted);line-height:1}
.modal-body{padding:18px 20px}
.modal-foot{display:flex;gap:10px;justify-content:flex-end;margin-top:14px}
.field{margin-bottom:12px}
.field label{display:block;font-size:13px;color:var(--muted);margin-bottom:5px}
.field input{width:100%;padding:9px 12px;border:1px solid var(--line);border-radius:8px;font-size:14px;box-sizing:border-box}
.tip{font-size:12.5px;color:var(--muted);background:var(--teal-bg);padding:10px 12px;border-radius:8px;margin-bottom:14px;line-height:1.6}
.switch{margin-top:14px;font-size:13px;color:var(--muted);text-align:center}
.switch a{color:var(--teal);cursor:pointer;font-weight:600}
.burger{display:none;flex-direction:column;gap:5px;cursor:pointer;padding:6px}
.burger span{width:22px;height:2px;background:var(--ink);border-radius:2px}

/* ===== SEARCH ===== */
.nav-search{display:flex;align-items:center;gap:0;margin-left:auto;flex-shrink:0}
.search-input{width:150px;padding:0 10px;border:0.5px solid var(--line);background:var(--bg);font-size:12.5px;color:var(--ink);border-radius:8px 0 0 8px;outline:none;height:34px;font-family:var(--sans)}
.search-btn{width:34px;height:34px;border-radius:0 8px 8px 0;border:none;background:var(--teal);color:#fff;font-size:14px;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:.2s}
.search-btn:hover{background:var(--teal-dark)}

/* ===== HERO BANNER (深绿色大横幅 + 长城背景图) ===== */
.hero{margin-top:60px;background:linear-gradient(to right,rgba(92,58,30,.96) 0%,rgba(92,58,30,.82) 7%,rgba(92,58,30,.5) 14%,rgba(92,58,30,.2) 23%,transparent 34%),linear-gradient(to left,rgba(154,91,46,.96) 0%,rgba(154,91,46,.82) 7%,rgba(154,91,46,.5) 14%,rgba(154,91,46,.2) 23%,transparent 34%),url('images/八达岭长城全景_雄伟壮观的万里长城蜿蜒在苍翠山岭之上_晨光或_2026-07-13T14-09-32.webp') center/cover no-repeat;color:#fff;position:relative;overflow:hidden}
.hero::before{content:"";position:absolute;top:-40%;right:-10%;width:500px;height:500px;border-radius:50%;background:radial-gradient(circle,rgba(255,255,255,.06),transparent 60%);pointer-events:none}
.hero::after{content:"";position:absolute;bottom:-30%;left:-5%;width:400px;height:400px;border-radius:50%;background:radial-gradient(circle,rgba(255,255,255,.04),transparent 60%);pointer-events:none}
.hero-inner{max-width:var(--maxw);margin:0 auto;padding:44px 24px 40px;display:grid;grid-template-columns:1.3fr 1fr;gap:36px;align-items:center;position:relative;z-index:2}
.hero-tag{display:inline-flex;align-items:center;gap:7px;font-size:12.5px;color:rgba(255,255,255,.82);margin-bottom:16px}
.hero-tag::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--amber-light)}
.hero-title{font-family:var(--mifei);font-size:42px;line-height:1.35;margin-bottom:14px;font-weight:400}
.hero-title .hl{color:var(--amber-light)}
.hero-sub{font-size:15px;color:rgba(255,255,255,.82);line-height:1.75;margin-bottom:26px;max-width:480px}
.hero-btns{display:flex;gap:14px;flex-wrap:wrap}
.hero-btn{padding:11px 24px;border-radius:10px;font-size:14px;font-weight:600;cursor:pointer;transition:.25s;display:inline-flex;align-items:center;gap:6px;border:none}
.hero-btn.primary{background:var(--amber);color:#fff}
.hero-btn.primary:hover{background:var(--amber-light);transform:translateY(-2px)}
.hero-btn.outline{background:rgba(255,255,255,.1);color:#fff;border:1px solid rgba(255,255,255,.3)}
.hero-btn.outline:hover{background:rgba(255,255,255,.18)}

/* 右侧卡片区 */
.hero-right{display:flex;flex-direction:column;gap:14px}
.stats-row{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;background:rgba(255,255,255,.09);border:0.5px solid rgba(255,255,255,.14);border-radius:14px;padding:20px 18px;backdrop-filter:blur(6px)}
.stat{text-align:center}
.stat-num{font-family:var(--serif);font-size:28px;font-weight:700;color:#fff;line-height:1.2}
.stat-num small{font-size:13px;font-weight:400;color:var(--amber-light);margin-left:2px}
.stat-lbl{font-size:11.5px;color:rgba(255,255,255,.65);margin-top:3px}
.host-card{display:flex;align-items:center;gap:14px;background:rgba(255,255,255,.09);border:0.5px solid rgba(255,255,255,.14);border-radius:14px;padding:16px 18px;backdrop-filter:blur(6px)}
.host-avatar{width:52px;height:52px;border-radius:50%;object-fit:cover;flex-shrink:0;border:2px solid var(--amber-bg);box-shadow:0 1px 6px rgba(0,0,0,.1)}
.host-info .host-role{font-size:11.5px;color:rgba(255,255,255,.6);margin-bottom:2px}
.host-info .host-name{font-size:17px;font-weight:600}
.host-info .host-unit{font-size:12px;color:var(--amber-light);margin-top:2px}

/* ===== CAROUSEL (滚动轮播，在Hero下方) ===== */
.carousel-wrap{background:var(--bg);padding:0 0 8px}
.carousel{position:relative;overflow:hidden;height:auto;min-height:380px;max-width:var(--maxw);margin:0 auto}
.carousel-track{display:flex}
.slide{min-width:100%;display:flex;align-items:center;justify-content:center;position:relative;background:#f5f4ef;border-radius:12px;overflow:hidden}
/* 实际图片，完整显示 */
.slide-img{width:100%;height:auto;max-height:420px;object-fit:contain;display:block;border-radius:12px}
/* 文字说明层 */
.slide-content{position:absolute;bottom:0;left:0;right:0;text-align:center;color:#fff;padding:16px 24px;background:linear-gradient(transparent,rgba(74,45,20,.75));z-index:2;border-radius:0 0 12px 12px}
.slide-content .tag{display:inline-block;font-size:11.5px;background:rgba(255,255,255,.18);border:0.5px solid rgba(255,255,255,.28);padding:3px 13px;border-radius:16px;margin-bottom:6px;letter-spacing:1px}
.slide-content h2{font-family:var(--serif);font-size:20px;font-weight:700;line-height:1.35;text-shadow:0 2px 10px rgba(0,0,0,.3)}
.slide-content p{font-size:12.5px;opacity:.9;line-height:1.7;text-shadow:0 1px 5px rgba(0,0,0,.25)}
.carousel-dots{position:absolute;bottom:12px;left:50%;transform:translateX(-50%);display:flex;gap:7px;z-index:3}
.carousel-dots span{width:8px;height:8px;border-radius:50%;background:rgba(255,255,255,.4);cursor:pointer;transition:.3s}
.carousel-dots span.active{background:#fff;width:22px;border-radius:4px}
.carousel-arrow{position:absolute;top:50%;transform:translateY(-50%);width:36px;height:36px;border-radius:50%;background:rgba(255,255,255,.2);border:0.5px solid rgba(255,255,255,.3);color:#fff;font-size:17px;cursor:pointer;z-index:3;display:flex;align-items:center;justify-content:center;transition:.25s;opacity:0}
.carousel:hover .carousel-arrow{opacity:1}
.carousel-arrow:hover{background:rgba(255,255,255,.32)}
.carousel-arrow.prev{left:14px}
.carousel-arrow.next{right:14px}

/* ===== BRIEF + NOTICE ===== */
.info-bar{background:var(--white);border-bottom:0.5px solid var(--line)}
.info-inner{max-width:var(--maxw);margin:0 auto;padding:20px 24px;display:grid;grid-template-columns:1.3fr 1fr;gap:24px;align-items:stretch}
.brief-box{display:flex;gap:14px;align-items:flex-start}
.brief-tag{font-family:var(--kangxi);font-size:13px;color:var(--teal);letter-spacing:1.5px;padding:5px 14px;background:var(--teal-bg);border-radius:14px;white-space:nowrap;flex-shrink:0;margin-top:1px;font-weight:600}
.brief-text{font-size:14px;color:var(--muted);line-height:1.8;position:relative;max-height:130px;overflow:hidden;transition:max-height .4s ease}
.brief-text strong{color:var(--ink);font-weight:500}
.brief-text::after{content:'';position:absolute;bottom:0;left:0;right:0;height:50px;background:linear-gradient(transparent,var(--white));transition:opacity .3s;pointer-events:none}
.brief-text.expanded{max-height:1000px}
.brief-text.expanded::after{opacity:0}
.brief-toggle{margin-top:8px;font-size:13px;color:var(--teal);cursor:pointer;display:inline-flex;align-items:center;gap:4px;font-weight:500;transition:color .2s;background:none;border:none;padding:0}
.brief-toggle:hover{color:var(--teal-dark)}
.brief-toggle svg{width:14px;height:14px;transition:transform .3s}
.brief-text.expanded + .brief-toggle svg,.brief-text.expanded ~ .brief-toggle svg{transform:rotate(180deg)}
.notice-box{border:0.5px solid var(--line);border-radius:10px;overflow:hidden}
.notice-head{background:var(--teal-bg);padding:8px 14px;display:flex;justify-content:space-between;align-items:center}
.notice-head .nt{font-size:13px;font-weight:600;color:var(--teal);display:flex;align-items:center;gap:6px;font-family:var(--kangxi)}
.notice-head .nt::before{content:"📢";font-size:14px}
.notice-head .more{font-size:12px;color:var(--muted);cursor:pointer}
.notice-head .more:hover{color:var(--teal)}
.notice-list{padding:6px 14px}
.notice-list .ni{display:flex;align-items:center;gap:8px;padding:5px 0;font-size:12.5px;border-bottom:0.5px dashed var(--line);cursor:pointer;transition:color .2s}
.notice-list .ni:last-child{border-bottom:none}
.notice-list .ni:hover{color:var(--teal)}
.notice-list .ni .ndate{color:var(--muted);font-size:11.5px;white-space:nowrap;flex-shrink:0}
.notice-list .ni .ntitle{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* ===== TAB SECTION ===== */
.tabs-section{padding:24px 0 56px;max-width:var(--maxw);margin:0 auto}
.tabs-section .wrap{padding:0}
.tab-layout{display:grid;grid-template-columns:300px 1fr;gap:24px;align-items:start}
/* 团队风采 - Tab区内左侧面板 */
.team-panel{background:var(--white);border:0.5px solid var(--line);border-radius:14px;overflow:hidden;position:sticky;top:84px}
.team-panel-head{background:linear-gradient(135deg,#5C3A1E,#9A5B2E);color:#fff;padding:18px 16px 14px;text-align:center}
.team-panel-head .tp-title{font-family:var(--kangxi);font-size:17px;font-weight:600;margin-bottom:2px}
.team-panel-head .tp-sub{font-size:10.5px;opacity:.65;letter-spacing:.5px}
.team-panel-body{padding:12px 10px 14px;display:grid;grid-template-columns:1fr 1fr;gap:8px}
.tp-member{background:var(--bg);border-radius:11px;padding:12px 6px;text-align:center;border:0.5px solid var(--line);transition:.22s;cursor:default}
.tp-member:hover{border-color:var(--teal-light);box-shadow:0 3px 12px rgba(74,45,20,,.06)}
.tp-member.lead{grid-column:1 / -1;border-color:rgba(239,159,39,.35);background:var(--amber-bg)}
.tp-avatar{width:42px;height:42px;border-radius:50%;margin:0 auto 7px;display:flex;align-items:center;justify-content:center;font-family:var(--serif);font-size:15px;font-weight:600;color:#fff;overflow:hidden}
.tp-avatar img{width:100%;height:100%;object-fit:cover;object-position:center 22%;display:block}
.tp-avatar.a1{background:linear-gradient(135deg,var(--amber-light),#F5C563)}
.tp-avatar.a2{background:linear-gradient(135deg,var(--teal-light),var(--teal-mid))}
.tp-avatar.a3{background:linear-gradient(135deg,#5FA8E8,#7BBBF0)}
.tp-avatar.a4{background:linear-gradient(135deg,#D4537E,#E87B9E)}
.tp-avatar.a5{background:linear-gradient(135deg,#639922,#7DB83A)}
.tp-avatar.a6{background:linear-gradient(135deg,#6B5BFF,#8B7DE8)}
.tp-name{font-weight:600;font-size:12.5px}
.tp-role{font-size:10.5px;color:var(--muted);margin-top:1px}
.tp-member.lead .tp-role{color:var(--amber)}
.tp-lead-tag{display:inline-block;font-size:9px;background:rgba(239,159,39,.18);color:var(--amber);padding:1px 6px;border-radius:7px;font-weight:500;margin-top:2px}
.team-panel-foot{padding:10px 12px;text-align:center;font-size:10px;color:var(--muted);line-height:1.5;border-top:0.5px solid var(--line)}
.tab-nav{display:flex;gap:0;border-bottom:0.5px solid var(--line);margin-bottom:24px;position:sticky;top:60px;background:var(--bg);z-index:20;padding-top:6px;overflow-x:auto;flex-wrap:nowrap;scroll-margin-top:70px}
.tab-nav::-webkit-scrollbar{height:0}
.tab-btn{padding:10px 18px;font-size:15.5px;font-weight:600;color:#3D3428;cursor:pointer;border:none;background:none;border-bottom:2.5px solid transparent;transition:.22s;font-family:var(--kangxi);white-space:nowrap;position:relative;top:0.5px}
.tab-btn:hover{color:var(--teal)}
.tab-btn.active{color:var(--teal);border-bottom-color:var(--teal)}
.tab-btn .cnt{font-size:11px;color:var(--muted);background:var(--line);padding:1px 6px;border-radius:8px;margin-left:4px;font-weight:400}
.tab-btn.active .cnt{background:var(--teal-bg);color:var(--teal)}
.tab-pane{display:none;animation:fadeUp .4s ease}
.tab-pane.active{display:block}
@keyframes fadeUp{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}

/* ===== NEWS ===== */
.news-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:16px}
.news-card{background:var(--white);border:0.5px solid var(--line);border-radius:12px;overflow:hidden;transition:.25s;display:flex;flex-direction:column}
.news-card:hover{transform:translateY(-4px);box-shadow:0 10px 30px rgba(74,45,20,.1);border-color:transparent}
.news-banner{height:4px}
.news-card:nth-child(4n+1) .news-banner{background:linear-gradient(90deg,var(--teal-mid),var(--teal-light))}
.news-card:nth-child(4n+2) .news-banner{background:linear-gradient(90deg,var(--amber),var(--amber-light))}
.news-card:nth-child(4n+3) .news-banner{background:linear-gradient(90deg,#378ADD,#5FA8E8)}
.news-card:nth-child(4n) .news-banner{background:linear-gradient(90deg,#993556,#D4537E)}
.news-body{padding:16px 16px 18px;flex:1;display:flex;flex-direction:column}
.news-date{font-size:11.5px;color:var(--muted);margin-bottom:7px;display:flex;align-items:center;gap:7px}
.news-date .chip{background:var(--teal-bg);color:var(--teal);padding:2px 8px;border-radius:8px;font-size:10.5px;font-weight:500}
.news-card:nth-child(4n+2) .news-date .chip{background:var(--amber-bg);color:var(--amber)}
.news-card:nth-child(4n+3) .news-date .chip{background:#E6F1FB;color:#185FA5}
.news-card:nth-child(4n) .news-date .chip{background:#FBEAF0;color:#993556}
.news-title{font-weight:600;font-size:14.5px;line-height:1.5;margin-bottom:7px;flex:1}
.news-excerpt{font-size:12.5px;color:var(--muted);line-height:1.7}

/* ===== NOTICE full pane ===== */
.notice-full-list{display:flex;flex-direction:column;gap:0}
.nf-item{display:grid;grid-template-columns:auto 1fr auto;gap:14px;align-items:center;padding:14px 0;border-bottom:0.5px solid var(--line);transition:.2s;cursor:pointer}
.nf-item:hover{padding-left:8px}
.nf-item:last-child{border-bottom:none}
.nf-tag{font-size:11.5px;padding:3px 10px;border-radius:8px;font-weight:500;white-space:nowrap}
.nf-tag.t-notice{background:var(--amber-bg);color:var(--amber)}
.nf-tag.t-activity{background:var(--teal-bg);color:var(--teal)}
.nf-tag.t-train{background:#E6F1FB;color:#185FA5}
.nf-info .nft{font-size:14.5px;font-weight:500;margin-bottom:2px}
.nf-info .nfd{font-size:12.5px;color:var(--muted)}
.nf-date{font-size:12.5px;color:var(--muted);white-space:nowrap}

/* ===== RESOURCES ===== */
.res-filter{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:18px}
.filter-btn{padding:6px 16px;border-radius:18px;border:0.5px solid var(--line);background:var(--white);font-size:13px;color:var(--muted);cursor:pointer;transition:.2s;font-family:var(--sans)}
.filter-btn.active,.filter-btn:hover{background:var(--teal);color:#fff;border-color:var(--teal)}
.res-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:16px}
.res-card{background:var(--white);border:0.5px solid var(--line);border-radius:12px;padding:18px;transition:.25s}
.res-card:hover{transform:translateY(-3px);box-shadow:0 8px 26px rgba(74,45,20,,.09);border-color:transparent}
.res-top{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:12px}
.res-icon{width:38px;height:38px;border-radius:10px;display:flex;align-items:center;justify-content:center;font-size:18px}
.res-icon.t-design{background:var(--teal-bg);color:var(--teal)}
.res-icon.t-courseware{background:var(--amber-bg);color:var(--amber)}
.res-icon.t-task{background:#E6F1FB;color:#185FA5}
.res-icon.t-material{background:#FBEAF0;color:#993556}
.res-icon.t-exam{background:#F3E8FF;color:#6B5BFF}
.res-type{font-size:10.5px;color:var(--muted);background:var(--bg);padding:2px 8px;border-radius:8px;font-weight:500}
.res-title{font-weight:600;font-size:14px;margin-bottom:6px;line-height:1.5}
.res-desc{font-size:12px;color:var(--muted);line-height:1.6;margin-bottom:12px}
.res-foot{display:flex;justify-content:space-between;align-items:center;padding-top:10px;border-top:0.5px solid var(--line)}
.res-meta{font-size:11px;color:var(--muted)}
.res-meta b{color:var(--teal);font-weight:500}
.res-dl{font-size:12px;color:var(--teal);font-weight:500;cursor:pointer;text-decoration:none}
.res-dl:hover{color:var(--teal-dark)}

/* ===== TEXTBOOK CARDS ===== */
.tb-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:18px;margin-top:8px}
.tb-card{background:var(--white);border:0.5px solid var(--line);border-radius:12px;overflow:hidden;transition:.25s;display:flex;flex-direction:column}
.tb-card:hover{transform:translateY(-3px);box-shadow:0 8px 26px rgba(74,45,20,,.09);border-color:transparent}
.tb-cover{width:100%;aspect-ratio:3/4;overflow:hidden;background:var(--bg);position:relative;cursor:pointer}
.tb-cover img{width:100%;height:100%;object-fit:cover;transition:.3s}
.tb-card:hover .tb-cover img{transform:scale(1.04)}
.tb-cover-overlay{position:absolute;bottom:0;left:0;right:0;background:linear-gradient(transparent,rgba(0,0,0,.45));padding:20px 10px 8px;display:flex;align-items:flex-end;justify-content:center}
.tb-cover-overlay span{color:#fff;font-size:11px;opacity:0;transition:.25s}
.tb-card:hover .tb-cover-overlay span{opacity:1}
.tb-info{padding:12px 14px 14px;flex:1;display:flex;flex-direction:column}
.tb-title{font-weight:600;font-size:13.5px;line-height:1.5;margin-bottom:4px;color:var(--ink)}
.tb-edition{font-size:11px;color:var(--muted);margin-bottom:10px}
.tb-actions{display:flex;gap:8px;margin-top:auto}
.tb-btn{flex:1;text-align:center;font-size:12px;font-weight:500;padding:7px 0;border-radius:8px;text-decoration:none;cursor:pointer;transition:.2s;display:flex;align-items:center;justify-content:center;gap:4px}
.tb-btn-view{background:var(--teal-bg);color:var(--teal)}
.tb-btn-view:hover{background:var(--teal);color:#fff}
.tb-btn-dl{background:var(--amber-bg);color:var(--amber)}
.tb-btn-dl:hover{background:var(--amber);color:#fff}
.tb-pwd{font-size:10px;color:var(--muted);text-align:center;margin-top:6px}

/* ===== TRAINING ===== */
.train-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:16px}
.train-card{background:var(--white);border:0.5px solid var(--line);border-radius:12px;overflow:hidden;transition:.25s;display:flex;flex-direction:column}
.train-card:hover{transform:translateY(-4px);box-shadow:0 10px 30px rgba(74,45,20,.1);border-color:transparent}
.train-cover{height:80px;display:flex;align-items:center;justify-content:center;font-family:var(--serif);font-size:28px;color:#fff;font-weight:600;letter-spacing:2px}
.train-cover.c1{background:linear-gradient(135deg,var(--teal),var(--teal-dark))}
.train-cover.c2{background:linear-gradient(135deg,var(--amber),var(--amber-light))}
.train-cover.c3{background:linear-gradient(135deg,#185FA5,#378ADD)}
.train-cover.c4{background:linear-gradient(135deg,#993556,#D4537E)}
.train-cover.c5{background:linear-gradient(135deg,#3B6D11,#639922)}
.train-cover.c6{background:linear-gradient(135deg,#5C3A0E,#B5762B)}
.train-body{padding:16px;flex:1;display:flex;flex-direction:column}
.train-type{font-size:11px;color:var(--muted);margin-bottom:6px;display:flex;gap:8px;align-items:center}
.train-type .tt{background:var(--teal-bg);color:var(--teal);padding:2px 8px;border-radius:8px;font-weight:500}
.train-title{font-weight:600;font-size:14.5px;line-height:1.5;margin-bottom:7px}
.train-desc{font-size:12.5px;color:var(--muted);line-height:1.7;flex:1;margin-bottom:12px}
.train-foot{display:flex;justify-content:space-between;align-items:center;padding-top:10px;border-top:0.5px solid var(--line)}
.train-meta{font-size:11px;color:var(--muted)}
.train-dl{font-size:12px;color:var(--teal);font-weight:500;cursor:pointer;text-decoration:none}

/* ===== CLASSROOM ===== */
.class-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:18px}
.class-card{background:var(--white);border:0.5px solid var(--line);border-radius:12px;overflow:hidden;transition:.25s}
.class-card:hover{transform:translateY(-4px);box-shadow:0 10px 30px rgba(74,45,20,.1);border-color:transparent}
.class-thumb{height:130px;position:relative;display:flex;align-items:center;justify-content:center;font-family:var(--serif);font-size:36px;color:rgba(255,255,255,.9);font-weight:600}
.class-thumb.t1{background:linear-gradient(135deg,#9A5B2E,#B97A45)}
.class-thumb.t2{background:linear-gradient(135deg,#B5762B,#D89A3C)}
.class-thumb.t3{background:linear-gradient(135deg,#185FA5,#378ADD)}
.class-thumb.t4{background:linear-gradient(135deg,#993556,#D4537E)}
.class-thumb.t5{background:linear-gradient(135deg,#3B6D11,#639922)}
.class-thumb.t6{background:linear-gradient(135deg,#5C3A0E,#B5762B)}
.class-play{position:absolute;width:44px;height:44px;border-radius:50%;background:rgba(255,255,255,.25);border:0.5px solid rgba(255,255,255,.4);display:flex;align-items:center;justify-content:center;font-size:18px;color:#fff;backdrop-filter:blur(4px)}
.class-body{padding:16px}
.class-grade{font-size:11.5px;color:var(--teal);font-weight:500;margin-bottom:5px}
.class-title{font-weight:600;font-size:14.5px;margin-bottom:6px;line-height:1.5}
.class-teacher{font-size:12.5px;color:var(--muted);display:flex;justify-content:space-between;align-items:center}
.class-teacher .av{width:24px;height:24px;border-radius:50%;background:var(--teal-bg);color:var(--teal);display:inline-flex;align-items:center;justify-content:center;font-size:11px;font-weight:600;margin-right:6px}

/* ===== RESEARCH (文章) ===== */
.res-article-list{display:flex;flex-direction:column;gap:14px}
.article-card{background:var(--white);border:0.5px solid var(--line);border-radius:12px;padding:18px 20px;transition:.25s;cursor:pointer;display:grid;grid-template-columns:auto 1fr;gap:16px;align-items:start}
.article-card:hover{transform:translateX(4px);box-shadow:0 6px 20px rgba(74,45,20,,.08);border-color:transparent}
.article-icon{width:40px;height:40px;border-radius:10px;background:var(--teal-bg);display:flex;align-items:center;justify-content:center;font-size:18px;flex-shrink:0}
.article-card:nth-child(3n+2) .article-icon{background:var(--amber-bg)}
.article-card:nth-child(3n+3) .article-icon{background:#E6F1FB}
.article-info .at-type{font-size:11px;color:var(--muted);margin-bottom:4px;display:flex;gap:8px;align-items:center}
.article-info .at-type .at-tag{background:var(--teal-bg);color:var(--teal);padding:2px 8px;border-radius:8px;font-weight:500}
.article-card:nth-child(3n+2) .at-type .at-tag{background:var(--amber-bg);color:var(--amber)}
.article-card:nth-child(3n+3) .at-type .at-tag{background:#E6F1FB;color:#185FA5}
.article-info .at-title{font-weight:600;font-size:15px;margin-bottom:5px;line-height:1.5}
.article-info .at-excerpt{font-size:12.5px;color:var(--muted);line-height:1.7;margin-bottom:6px}
.article-info .at-meta{font-size:11.5px;color:var(--muted)}

/* ===== READING ===== */
.read-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:18px}
.read-card{background:var(--white);border:0.5px solid var(--line);border-radius:12px;overflow:hidden;transition:.28s;display:flex;flex-direction:column}
.read-card:hover{transform:translateY(-5px);box-shadow:0 12px 34px rgba(74,45,20,,.12);border-color:transparent}
.read-cover{height:120px;display:flex;align-items:center;justify-content:center;position:relative;overflow:hidden}
.read-cover .book-spine{width:50px;height:90px;border-radius:3px 6px 6px 3px;box-shadow:2px 2px 8px rgba(0,0,0,.15);display:flex;align-items:center;justify-content:center;font-family:var(--serif);font-size:15px;font-weight:600;color:#fff;writing-mode:vertical-rl;text-orientation:upright;letter-spacing:3px;padding:8px 4px}
.read-cover.b1{background:linear-gradient(135deg,#F4E9DA,#F1EFE8)}
.read-cover.b1 .book-spine{background:linear-gradient(180deg,#9A5B2E,#4A2D14)}
.read-cover.b2{background:linear-gradient(135deg,#FBF1DF,#F1EFE8)}
.read-cover.b2 .book-spine{background:linear-gradient(180deg,#B5762B,#854F0B)}
.read-cover.b3{background:linear-gradient(135deg,#E6F1FB,#F1EFE8)}
.read-cover.b3 .book-spine{background:linear-gradient(180deg,#185FA5,#0C447C)}
.read-cover.b4{background:linear-gradient(135deg,#FBEAF0,#F1EFE8)}
.read-cover.b4 .book-spine{background:linear-gradient(180deg,#993556,#72243E)}
.read-cover.b5{background:linear-gradient(135deg,#EAF3DE,#F1EFE8)}
.read-cover.b5 .book-spine{background:linear-gradient(180deg,#3B6D11,#27500A)}
.read-cover.b6{background:linear-gradient(135deg,#F4E9DA,#F1EFE8)}
.read-cover.b6 .book-spine{background:linear-gradient(180deg,#534AB7,#3C3489)}
.read-cover.b7{background:linear-gradient(135deg,#FBF1DF,#F1EFE8)}
.read-cover.b7 .book-spine{background:linear-gradient(180deg,#D85A30,#993C1D)}
.read-cover.b8{background:linear-gradient(135deg,#F1EFE8,#E6DDD0)}
.read-cover.b8 .book-spine{background:linear-gradient(180deg,#5F5E5A,#444441)}
.read-body{padding:16px;flex:1;display:flex;flex-direction:column}
.read-cat{font-size:11px;margin-bottom:6px}
.read-cat .rc{padding:2px 8px;border-radius:8px;font-weight:500}
.read-cat .rc.c1{background:var(--teal-bg);color:var(--teal)}
.read-cat .rc.c2{background:var(--amber-bg);color:var(--amber)}
.read-cat .rc.c3{background:#E6F1FB;color:#185FA5}
.read-title{font-weight:600;font-size:14px;margin-bottom:4px;line-height:1.5}
.read-author{font-size:12px;color:var(--muted);margin-bottom:8px}
.read-desc{font-size:12.5px;color:var(--muted);line-height:1.7;flex:1;margin-bottom:10px}
.read-why{font-size:12px;color:var(--teal);background:var(--teal-bg);padding:6px 10px;border-radius:8px;line-height:1.6}
.read-why b{color:var(--teal-dark)}

/* ===== TEAM ===== */
.team-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:16px}
.member{background:var(--white);border:0.5px solid var(--line);border-radius:14px;padding:22px 18px;text-align:center;transition:.25s;position:relative;overflow:hidden}
.member::before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:linear-gradient(90deg,var(--teal-mid),var(--teal-light))}
.member:hover{transform:translateY(-5px);box-shadow:0 12px 32px rgba(74,45,20,,.11);border-color:transparent}
.member.lead::before{background:linear-gradient(90deg,var(--amber-light),var(--amber))}
.avatar{width:60px;height:60px;border-radius:50%;margin:0 auto 12px;display:flex;align-items:center;justify-content:center;font-family:var(--serif);font-size:22px;font-weight:600;color:#fff}
.avatar.a1{background:linear-gradient(135deg,var(--amber),var(--amber-light))}
.avatar.a2{background:linear-gradient(135deg,var(--teal),var(--teal-mid))}
.avatar.a3{background:linear-gradient(135deg,#378ADD,#5FA8E8)}
.avatar.a4{background:linear-gradient(135deg,#993556,#D4537E)}
.avatar.a5{background:linear-gradient(135deg,#3B6D11,#639922)}
.member .name{font-weight:600;font-size:15px;margin-bottom:3px}
.member .role{font-size:12px;color:var(--teal);font-weight:500;margin-bottom:6px}
.member.lead .role{color:var(--amber)}
.member .desc{font-size:12.5px;color:var(--muted);line-height:1.6}
.member .lead-tag{position:absolute;top:12px;right:12px;font-size:10.5px;background:var(--amber-bg);color:var(--amber);padding:2px 8px;border-radius:9px;font-weight:500}

/* ===== RESEARCH (课题) ===== */
.research-box{display:grid;grid-template-columns:1fr 1.3fr;gap:24px;align-items:start}
.research-badge{background:linear-gradient(135deg,var(--teal),var(--teal-dark));border-radius:14px;padding:28px;color:#fff;position:sticky;top:120px}
.research-badge .rt{font-family:var(--serif);font-size:13px;opacity:.8;margin-bottom:8px}
.research-badge .rn{font-family:var(--serif);font-size:19px;font-weight:600;line-height:1.5;margin-bottom:16px}
.research-badge .meta{display:flex;gap:18px;font-size:11.5px;opacity:.85;padding-top:14px;border-top:0.5px solid rgba(255,255,255,.2)}
.research-info p{font-size:14px;color:var(--muted);line-height:1.85;margin-bottom:12px}
.research-info p strong{color:var(--ink);font-weight:500}
.timeline{position:relative;padding-left:32px;margin-top:8px}
.timeline::before{content:"";position:absolute;left:10px;top:6px;bottom:6px;width:2px;background:linear-gradient(var(--teal-light),var(--teal-bg))}
.tl-item{position:relative;padding-bottom:24px}
.tl-item:last-child{padding-bottom:0}
.tl-item::before{content:"";position:absolute;left:-28px;top:4px;width:12px;height:12px;border-radius:50%;background:var(--white);border:3px solid var(--teal);box-shadow:0 0 0 3px var(--teal-bg)}
.tl-item.done::before{background:var(--teal)}
.tl-date{font-size:12px;color:var(--teal);font-weight:600;margin-bottom:4px}
.tl-title{font-weight:600;font-size:14.5px;margin-bottom:4px}
.tl-desc{font-size:13px;color:var(--muted);line-height:1.7}

/* ===== QUOTE BAR ===== */
.quote-bar{background:var(--white);border-bottom:0.5px solid var(--line)}
.quote-inner{max-width:var(--maxw);margin:0 auto;padding:18px 24px;display:flex;align-items:center;gap:16px}
.quote-mark{font-size:32px;color:var(--teal-light);font-family:var(--serif);line-height:1;flex-shrink:0}
.quote-text{font-family:var(--serif);font-size:14px;color:var(--muted);font-style:italic;line-height:1.6;flex:1;min-width:0}
.quote-text em{color:var(--teal);font-style:normal}

/* ===== 梯级认定系统入口按钮 ===== */
.tiji-entry{margin-left:auto;width:473px;min-width:473px;display:inline-flex;align-items:center;gap:10px;padding:12px 28px;border-radius:8px;background:linear-gradient(135deg,#F4E9DA,#c8ede0);color:#9A5B2E;font-size:16px;font-weight:600;letter-spacing:1px;white-space:nowrap;text-decoration:none;flex-shrink:0;border:2px solid var(--amber);position:relative;overflow:hidden;box-shadow:0 0 10px rgba(181,118,43,.2);animation:tiji-glow 3s ease-in-out infinite;transition:transform .2s,box-shadow .2s,background .2s}
.tiji-entry::after{content:'';position:absolute;top:-50%;left:-100%;width:50%;height:200%;background:linear-gradient(90deg,transparent,rgba(154,91,46,.06),transparent);transform:skewX(-25deg);animation:tiji-sweep 3.5s ease-in-out infinite}
.tiji-entry:hover{transform:scale(1.03);background:linear-gradient(135deg,#d0efe3,#b8e6d5);box-shadow:0 0 18px rgba(181,118,43,.45),0 4px 12px rgba(154,91,46,.2);animation:none}
.tiji-entry:hover::after{animation:none;opacity:0}
@keyframes tiji-glow{0%,100%{box-shadow:0 0 6px rgba(181,118,43,.2);border-color:var(--amber)}50%{box-shadow:0 0 18px rgba(181,118,43,.5),0 0 28px rgba(154,91,46,,.25);border-color:#d4890a}}
@keyframes tiji-sweep{0%{left:-100%}35%{left:150%}100%{left:150%}}

/* ===== 梯级认定系统独立横幅（轮播图下方） ===== */
.tiji-banner{background:linear-gradient(135deg,#F4E9DA 0%,#f0f9f5 50%,#FFF8E7 100%);border-top:0.5px solid var(--line);border-bottom:0.5px solid var(--line);position:relative;overflow:hidden}
.tiji-banner::before{content:'';position:absolute;left:0;top:0;bottom:0;width:4px;background:linear-gradient(180deg,var(--teal),var(--amber));border-radius:0 2px 2px 0}
.tiji-banner-inner{max-width:var(--maxw);margin:0 auto;padding:20px 24px;display:flex;align-items:center;gap:20px}
.tiji-banner-icon{font-size:44px;flex-shrink:0;line-height:1;animation:tiji-bounce 2s ease-in-out infinite}
.tiji-banner-body{flex:1;min-width:0}
.tiji-banner-title{font-family:var(--serif);font-size:18px;font-weight:700;color:var(--teal);margin-bottom:4px;letter-spacing:0.5px}
.tiji-banner-desc{font-size:13px;color:var(--muted);line-height:1.5}
.tiji-banner-btn{flex-shrink:0;display:inline-flex;align-items:center;gap:8px;padding:12px 32px;border-radius:10px;background:var(--amber);color:#fff;font-size:14px;font-weight:600;text-decoration:none;letter-spacing:1px;border:none;box-shadow:0 2px 10px rgba(181,118,43,.3);transition:transform .25s,box-shadow .25s;animation:tiji-pulse 2.5s ease-in-out infinite}
.tiji-banner-btn:hover{background:var(--amber-light);transform:translateY(-2px);box-shadow:0 4px 20px rgba(181,118,43,,.45);animation:none}
@keyframes tiji-bounce{0%,100%{transform:translateY(0)}50%{transform:translateY(-4px)}}
@keyframes tiji-pulse{0%,100%{box-shadow:0 2px 10px rgba(181,118,43,.3)}50%{box-shadow:0 2px 24px rgba(181,118,43,.5),0 0 28px rgba(239,159,39,.2)}}

/* ===== CONTACT / FOOTER ===== */
.contact{
  background:
    linear-gradient(rgba(46,29,15,.5), rgba(46,29,15,.62)),
    linear-gradient(to right, rgba(92,58,30,.9) 0%,rgba(92,58,30,.32) 30%,rgba(92,58,30,.32) 70%,rgba(92,58,30,.9) 100%),
    url('images/footer-yellowriver.webp') center/cover no-repeat;
  color:#fff;padding:22px 0;position:relative;overflow:hidden
}
.contact-inner{position:relative;z-index:1;max-width:var(--maxw);margin:0 auto;padding:0 24px;display:flex;flex-direction:column;gap:14px;text-shadow:0 1px 4px rgba(0,0,0,.45),0 2px 8px rgba(0,0,0,.25)}
.contact-head{display:flex;align-items:baseline;gap:14px;flex-wrap:wrap}
.contact-eyebrow{font-family:var(--serif);font-size:18px;font-weight:600;white-space:nowrap}
.contact-head p{margin:0;color:rgba(255,255,255,.82);font-size:13px;line-height:1.6}
.contact-strip{display:flex;flex-wrap:wrap;gap:10px 26px}
.contact-strip .ci{display:flex;gap:9px;align-items:flex-start}
.contact-strip .ci .ico{font-size:15px;flex-shrink:0;margin-top:1px}
.contact-strip .ci .lbl{font-size:10.5px;color:rgba(255,255,255,.6);margin-bottom:1px}
.contact-strip .ci .val{font-size:13px}
.contact-strip .ci .val a{color:#fff;text-decoration:underline;opacity:.92}
.contact-strip .ci .val a:hover{opacity:1}
/* 建议意见弹窗（复用 .contact-modal 样式） */
.contact-modal{position:fixed;inset:0;z-index:9999;display:none;align-items:center;justify-content:center;padding:20px}
.contact-modal.open{display:flex}
.contact-modal-mask{position:absolute;inset:0;background:rgba(6,41,33,.55);backdrop-filter:blur(2px)}
.contact-modal-card{position:relative;z-index:1;width:min(440px,94vw);background:#fff;color:#1f2a26;border-radius:16px;padding:30px 26px 24px;box-shadow:0 22px 60px rgba(0,0,0,.32);animation:cmPop .22s ease}
@keyframes cmPop{from{opacity:0;transform:translateY(12px) scale(.98)}to{opacity:1;transform:none}}
.contact-modal-close{position:absolute;top:12px;right:14px;border:none;background:none;font-size:26px;line-height:1;color:#9aa6a0;cursor:pointer;padding:0}
.contact-modal-close:hover{color:#2a3a33}
.cm-eyebrow{font-size:12px;letter-spacing:2px;color:#0a7a5f;font-weight:600;margin-bottom:4px}
.cm-title{font-family:var(--serif);font-size:20px;margin:0 0 16px;color:#0b3b30}
.cm-rows .cm-row{display:flex;gap:12px;align-items:flex-start;padding:11px 0;border-bottom:1px solid #eef2f0}
.cm-rows .cm-row:last-child{border-bottom:none}
.cm-ico{font-size:18px;flex-shrink:0;margin-top:1px}
.cm-lbl{font-size:11px;color:#8a968f;margin-bottom:2px}
.cm-val{font-size:14px;color:#1f2a26}
.cm-val a{color:#0a7a5f;text-decoration:none;font-weight:600}
.cm-val a:hover{text-decoration:underline}
/* 学生作品视频 */
.sw-head{margin-bottom:18px}
.sw-title{font-family:var(--serif);font-size:22px;font-weight:600;color:var(--ink);margin-bottom:6px}
.sw-sub{font-size:13px;color:var(--muted);line-height:1.6;margin:0}
.sw-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:18px}
.sw-card{background:var(--white);border:0.5px solid var(--line);border-radius:12px;overflow:hidden;box-shadow:0 2px 10px rgba(0,0,0,.05);transition:.25s}
.sw-card:hover{box-shadow:0 6px 18px rgba(0,0,0,.1)}
.sw-video{position:relative;width:100%;aspect-ratio:16/9;background-color:#1a3a2e;background-size:cover;background-position:center;cursor:pointer;overflow:hidden}
.sw-video iframe{position:absolute;inset:0;width:100%;height:100%;border:0}
.sw-play{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,rgba(46,29,15,.45),rgba(30,19,10,.55));transition:opacity .2s}
.sw-video:hover .sw-play{opacity:1}
.sw-play-btn{width:56px;height:56px;border-radius:50%;background:rgba(255,255,255,.92);color:var(--teal);display:flex;align-items:center;justify-content:center;font-size:22px;padding-left:4px;box-shadow:0 4px 14px rgba(0,0,0,.3);transition:transform .2s}
.sw-video:hover .sw-play-btn{transform:scale(1.08)}
.sw-cap{padding:12px 14px;font-size:14px;font-weight:600;color:var(--ink)}
@media(max-width:880px){.sw-grid{grid-template-columns:1fr}}
.footer{background:linear-gradient(to bottom, #2E1D0F 0%, #062921 45%);color:rgba(255,255,255,.82);padding:22px 0;font-size:12.5px;text-shadow:0 1px 3px rgba(0,0,0,.35)}
.footer-inner{max-width:var(--maxw);margin:0 auto;padding:0 24px;display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:10px}
.footer-stats{font-size:11.5px;opacity:.7;display:flex;gap:12px;align-items:center}

@media(max-width:880px){
  .nav-links{display:none}
  .nav-links.open{display:flex;position:absolute;top:60px;left:0;right:0;flex-direction:column;background:var(--white);padding:14px 24px;gap:12px;border-bottom:0.5px solid var(--line);box-shadow:0 8px 24px rgba(0,0,0,.08)}
  .nav-links.open a{padding:6px 0;font-size:14px}
  .burger{display:flex}
  .hero-inner{grid-template-columns:1fr;gap:20px;padding:28px 20px 24px}
  .hero-title{font-size:25px}
  .hero-sub{font-size:14px;margin-bottom:20px}
  .stats-row{grid-template-columns:repeat(2,1fr);padding:16px 14px}
  .stat-num{font-size:24px}
  .host-card{padding:14px 16px}
  .carousel{min-height:240px}
  .slide-img{max-height:280px}
  .slide-content h2{font-size:16px}
  .slide-content p{font-size:11.5px}
  .slide-content{padding:12px 16px}
  .info-inner{grid-template-columns:1fr;gap:16px}
  .brief-box{flex-direction:column;gap:8px}
  .research-box{grid-template-columns:1fr}
  .research-badge{position:static}
  .contact-inner{gap:12px}
  .contact-head{flex-direction:column;gap:4px}
  .tab-btn{padding:9px 13px;font-size:13px}
  .article-card{grid-template-columns:1fr;gap:10px}
  .tab-layout{grid-template-columns:1fr}
  /* 团队风采：横向滚动展示 */
  .team-panel{position:static;margin-bottom:16px;max-width:100%;overflow:visible !important}
  .team-panel-head{border-radius:14px 14px 0 0}
  .team-panel-body{display:flex;gap:10px;overflow-x:auto;padding:12px 10px 14px;-webkit-overflow-scrolling:touch}
  .team-panel-body::-webkit-scrollbar{height:0}
  .tp-member{min-width:96px;flex-shrink:0;margin-bottom:0}
  .tp-member.lead{grid-column:auto;min-width:110px}
  .team-panel-foot{padding:8px 12px}
  /* Tab导航触控优化 */
  .tab-nav{top:60px;padding-top:4px}
  /* 发刊词卡片移动端布局 */
  .news-card[style*="grid-column"]{grid-template-columns:1fr !important}
  .news-card[style*="grid-column"] .news-banner{width:100% !important;height:4px !important}
  /* 页脚 */
  .footer-inner{flex-direction:column;gap:6px;text-align:center}
  /* 移动端轮播箭头常显 */
  .carousel-arrow{opacity:.55;width:32px;height:32px;font-size:15px}
}

@media(max-width:480px){
  .wrap{padding:0 16px}
  .nav-inner{padding:0 16px;height:54px}
  .hero{margin-top:54px}
  .hero-inner{padding:22px 16px 20px;gap:18px}
  .hero-title{font-size:22px}
  .hero-sub{font-size:13px;margin-bottom:18px}
  .hero-btn{padding:9px 18px;font-size:13px}
  .stats-row{grid-template-columns:repeat(2,1fr);gap:8px;padding:14px 10px}
  .stat-num{font-size:20px}
  .stat-lbl{font-size:11px}
  .host-card{padding:12px 14px;gap:10px}
  .host-avatar{width:42px;height:42px}
  .host-info .host-name{font-size:15px}
  .carousel{min-height:200px}
  .slide-img{max-height:220px}
  .slide-content h2{font-size:14px}
  .slide-content p{display:none}
  .slide-content .tag{font-size:10.5px;padding:2px 10px}
  .carousel-dots span{width:7px;height:7px}
  .carousel-dots span.active{width:16px}
  .tiji-banner-inner{flex-direction:column;text-align:center;padding:14px 16px;gap:12px}
  .tiji-banner::before{width:3px}
  .tiji-banner-icon{font-size:32px}
  .tiji-banner-title{font-size:15px}
  .tiji-banner-desc{font-size:11.5px}
  .tiji-banner-btn{width:100%;justify-content:center;padding:10px 20px;font-size:13px}
  .info-inner{padding:16px 16px}
  .brief-tag{font-size:11px}
  .brief-text{font-size:12.5px;max-height:115px}
  .notice-list .ni{font-size:12px}
  .tabs-section{padding:16px 0 40px}
  .tab-btn{padding:8px 11px;font-size:12.5px}
  .tab-btn .cnt{font-size:10px;padding:0 5px}
  .news-body{padding:14px}
  .news-title{font-size:14px}
  .news-excerpt{font-size:12px}
  .news-date{font-size:11px}
  .res-grid{grid-template-columns:1fr}
  .tb-grid{grid-template-columns:repeat(2,1fr)}
  .train-grid{grid-template-columns:1fr}
  .class-grid{grid-template-columns:1fr}
  .read-grid{grid-template-columns:1fr}
  .local-grid{grid-template-columns:1fr}
  .article-card{padding:14px}
  .article-info .at-title{font-size:14px}
  .article-info .at-excerpt{font-size:12px}
  .contact{padding:18px 0}
  .contact-eyebrow{font-size:16px}
  .contact-strip{gap:10px 18px}
  .sub-tab-btn{padding:7px 12px;font-size:12px}
  .res-filter{gap:6px}
  .filter-btn{padding:5px 12px;font-size:12px}
  .quote-inner{padding:14px 16px;gap:10px;flex-wrap:wrap}
  .quote-mark{font-size:26px}
  .quote-text{font-size:13px;flex:auto}
  .tiji-entry{margin-left:0;width:100%;min-width:0;justify-content:center;padding:10px 18px;font-size:14px;letter-spacing:0.5px;border-radius:6px}
  .tiji-banner-inner{padding:16px 16px;gap:14px}
  .tiji-banner-icon{font-size:36px}
  .tiji-banner-title{font-size:16px}
  .tiji-banner-desc{font-size:12px}
  .tiji-banner-btn{padding:10px 22px;font-size:14px}
  .footer{padding:16px 0;font-size:11.5px}
  .tp-avatar{width:38px;height:38px}
  .tp-name{font-size:12px}
  .tp-role{font-size:10px}
  .tp-lead-tag{font-size:8px}
  .train-cover{height:64px;font-size:22px}
  .class-thumb{height:100px;font-size:28px}
  .read-cover{height:90px}
  .read-cover .book-spine{width:40px;height:72px;font-size:13px}
}

/* 手机端团队风采浮动标题 */
.team-float-head{
  display:none;
  position:fixed;
  top:60px;
  left:0;
  right:0;
  z-index:18;
  background:linear-gradient(135deg,#5C3A1E,#9A5B2E);
  color:#fff;
  padding:12px 16px;
  text-align:center;
  box-shadow:0 2px 12px rgba(0,0,0,.15);
}
.team-float-head .tfh-title{font-family:'KangXi','Noto Serif SC','SimSun','宋体',serif;font-size:16px;font-weight:600}
.team-float-head .tfh-sub{font-size:10px;opacity:.65;letter-spacing:.5px;margin-top:1px}
@media(max-width:480px){
  .team-float-head{top:54px;padding:10px 16px}
  .team-float-head .tfh-title{font-size:15px}
  .team-float-head .tfh-sub{font-size:9px}
  .tb-grid{grid-template-columns:1fr}
}

/* ===== 乡土资源子菜单 ===== */
.sub-tab-nav{display:flex;gap:0;border-bottom:0.5px solid var(--line);margin-bottom:20px;overflow-x:auto;flex-wrap:nowrap;padding-top:4px}
.sub-tab-nav::-webkit-scrollbar{height:0}
.sub-tab-btn{padding:8px 16px;font-size:13px;font-weight:500;color:var(--muted);cursor:pointer;border:none;background:none;border-bottom:2px solid transparent;transition:.22s;font-family:var(--sans);white-space:nowrap;position:relative;top:0.5px}
.sub-tab-btn:hover{color:var(--teal)}
.sub-tab-btn.active{color:var(--teal);border-bottom-color:var(--teal)}
.sub-pane{display:none;animation:fadeUp .35s ease}
.sub-pane.active{display:block}

/* 乡土资源卡片 */
.local-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:16px}
.local-card{background:var(--white);border:0.5px solid var(--line);border-radius:12px;overflow:hidden;transition:.25s}
.local-card:hover{transform:translateY(-3px);box-shadow:0 8px 24px rgba(74,45,20,,.08);border-color:transparent}
.local-card-img{height:120px;display:flex;align-items:center;justify-content:center;color:#fff}
.local-card-body{padding:14px 16px 16px}
.local-card-title{font-size:15px;font-weight:600;color:var(--ink);margin-bottom:6px}
.local-card-desc{font-size:12.5px;color:var(--muted);line-height:1.7;margin-bottom:10px}
.local-card-tags{display:flex;gap:6px;flex-wrap:wrap}
.local-card-tags .tag{font-size:11px;padding:2px 8px;border-radius:8px;background:var(--teal-bg);color:var(--teal)}

/* 乡土资源文章 */
.local-article{padding:8px 0}
.local-article h3{font-family:var(--serif);font-size:18px;color:var(--ink);margin-bottom:14px;font-weight:600}
.local-article p{font-size:13.5px;color:var(--text);line-height:1.85;margin-bottom:12px}
.local-placeholder{text-align:center;padding:48px 24px;color:var(--muted);font-size:13.5px;background:var(--bg);border-radius:12px;border:0.5px dashed var(--line);margin-top:16px}


/* ===== 第二区块：首页投稿区样式 ===== */

/* ===== 首页·老师投稿区（全域投稿分发） ===== */
.sm-section{margin-top:26px;padding-top:22px;border-top:1.5px dashed var(--line)}
.sm-head{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;margin-bottom:14px}
.sm-title{font-family:var(--serif);font-size:17px;font-weight:600;color:var(--teal-dark);display:flex;align-items:center;gap:8px}
.sm-submit{font-size:13px;font-weight:600;color:var(--teal);background:var(--teal-bg);padding:7px 14px;border-radius:20px;text-decoration:none;transition:.2s;white-space:nowrap}
.sm-submit:hover{background:var(--teal);color:#fff}
.sm-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:14px}
.sm-card{display:flex;gap:13px;background:#fff;border:1px solid var(--line);border-radius:14px;padding:15px 16px;cursor:pointer;transition:.2s;align-items:flex-start}
.sm-card:hover{border-color:var(--teal-light);box-shadow:0 6px 18px rgba(154,91,46,,.08);transform:translateY(-1px)}
.sm-icon{width:42px;height:42px;flex-shrink:0;border-radius:11px;background:var(--teal-bg);display:flex;align-items:center;justify-content:center;font-size:20px}
.sm-main{flex:1;min-width:0}
.sm-top{margin-bottom:5px}
.sm-cat{font-size:11px;font-weight:600;color:var(--amber);background:var(--amber-bg);padding:2px 9px;border-radius:8px}
.sm-card-title{font-family:var(--serif);font-size:16px;font-weight:600;color:var(--ink);margin-bottom:5px;line-height:1.45}
.sm-excerpt{font-size:13px;color:var(--muted);line-height:1.75;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.sm-meta{font-size:12px;color:#9a988f;margin-top:8px;display:flex;gap:10px;flex-wrap:wrap;align-items:center}
.sm-dl{color:var(--teal);font-weight:600;cursor:pointer}
.sm-dl:hover{text-decoration:underline}
.sm-loading,.sm-empty{font-size:13.5px;color:var(--muted);padding:18px;text-align:center;grid-column:1/-1}
.sm-empty a{color:var(--teal);font-weight:600}
.sm-video{position:relative;width:100%;aspect-ratio:16/9;border-radius:14px;overflow:hidden;background:linear-gradient(135deg,#5C3A1E,#9A5B2E);cursor:pointer;display:flex;align-items:center;justify-content:center;grid-column:1/-1}
.sm-video .sw-play{position:absolute;inset:0;display:flex;align-items:center;justify-content:center}
.sm-video .sw-play-btn{width:56px;height:56px;border-radius:50%;background:rgba(255,255,255,.92);display:flex;align-items:center;justify-content:center;font-size:22px;color:var(--teal-dark)}
.sm-video iframe{position:absolute;inset:0;width:100%;height:100%;border:0}
/* 首页作品详情弹窗 */
.home-modal-mask{position:fixed;inset:0;background:rgba(20,30,26,.55);backdrop-filter:blur(3px);z-index:300;display:none;align-items:center;justify-content:center;padding:20px;overflow-y:auto}
.home-modal-mask.show{display:flex}
.home-modal-card{position:relative;background:#fff;border-radius:18px;width:100%;max-width:680px;max-height:90vh;overflow-y:auto;box-shadow:0 24px 70px rgba(0,0,0,.25);animation:pop .22s ease}
.home-modal-close{position:absolute;top:14px;right:18px;font-size:24px;color:var(--muted);cursor:pointer;line-height:1;background:none;border:none;z-index:3}
.home-modal-body{padding:26px 28px 30px}
.hm-cat{margin-bottom:8px}
.hm-cat span{font-size:12px;font-weight:600;color:var(--amber);background:var(--amber-bg);padding:3px 11px;border-radius:8px}
.hm-cat .hm-board{margin-left:8px;color:var(--teal);background:var(--teal-bg)}
.hm-title{font-family:var(--serif);font-size:22px;font-weight:700;color:var(--ink);line-height:1.5;margin:10px 0}
.hm-meta{font-size:13px;color:var(--muted);display:flex;gap:12px;flex-wrap:wrap;margin-bottom:18px;padding-bottom:14px;border-bottom:1px solid var(--line)}
.hm-content{font-size:15px;color:#3a3a36;line-height:2;word-break:break-word}
.hm-content p{margin:0 0 12px}
.hm-content img{max-width:100%;height:auto;border-radius:8px;margin:8px 0}
.hm-content h1,.hm-content h2,.hm-content h3{margin:16px 0 8px;color:var(--ink)}
.hm-content table{border-collapse:collapse;margin:10px 0;font-size:14px}
.hm-content td,.hm-content th{border:1px solid var(--line);padding:6px 10px}
.hm-dl{display:inline-flex;align-items:center;gap:8px;background:var(--teal);color:#fff;padding:10px 18px;border-radius:10px;font-weight:600;font-size:14px;cursor:pointer;border:none;margin-top:6px}
.hm-dl:hover{background:var(--teal-dark)}
.hm-video{position:relative;width:100%;aspect-ratio:16/9;border-radius:12px;overflow:hidden;background:linear-gradient(135deg,#5C3A1E,#9A5B2E);cursor:pointer;display:flex;align-items:center;justify-content:center;margin-top:6px}
.hm-video .hm-play{width:60px;height:60px;border-radius:50%;background:rgba(255,255,255,.92);display:flex;align-items:center;justify-content:center;font-size:24px;color:var(--teal-dark)}
.hm-video iframe{position:absolute;inset:0;width:100%;height:100%;border:0}
/* 互动：点赞与评论（仅史海钩沉） */
.engage{margin-top:22px;padding-top:16px;border-top:1px solid var(--line)}
.engage-bar{display:flex;align-items:center;gap:16px;margin-bottom:14px;flex-wrap:wrap}
.like-btn{display:inline-flex;align-items:center;gap:6px;background:var(--teal-bg);color:var(--teal-dark);border:none;border-radius:20px;padding:8px 16px;font-size:14px;font-weight:600;cursor:pointer;transition:.2s}
.like-btn:hover{background:#cdeede}
.like-btn.liked{background:var(--amber-bg);color:var(--amber)}
.like-btn.liked:hover{background:#f6e2c2}
.cmt-count{font-size:13.5px;color:var(--muted)}
.cmt-list{display:flex;flex-direction:column;gap:14px;margin-bottom:16px}
.cmt-empty{font-size:13.5px;color:var(--muted);padding:6px 0}
.cmt-item{border-bottom:1px dashed var(--line);padding-bottom:12px}
.cmt-row1{font-size:14px;margin-bottom:4px}
.cmt-row1 b{color:var(--teal-dark)}
.cmt-school{font-size:12px;color:var(--muted)}
.cmt-date{font-size:12px;color:#b3b1a6;margin-left:8px}
.cmt-text{font-size:14.5px;color:#3a3a36;line-height:1.8;word-break:break-word;white-space:pre-wrap}
.cmt-ops{margin-top:5px;display:flex;gap:14px}
.cmt-ops a{font-size:12.5px;color:var(--teal);cursor:pointer;font-weight:600}
.cmt-ops a:hover{color:var(--teal-dark)}
.cmt-replies{margin-top:10px;padding-left:14px;border-left:2px solid var(--teal-bg);display:flex;flex-direction:column;gap:10px}
.cmt-reply{font-size:13.5px}
.cmt-reply .cmt-row1 b{color:var(--ink)}
.cmt-reply .cmt-text{font-size:13.5px}
.cmt-form textarea{width:100%;font-family:var(--sans);font-size:14px;padding:10px 12px;border:1px solid var(--line);border-radius:10px;resize:vertical;min-height:64px;outline:none}
.cmt-form textarea:focus{border-color:var(--teal-light);box-shadow:0 0 0 3px rgba(216,176,131,,.15)}
.cmt-form-foot{margin-top:8px;display:flex;justify-content:flex-end}
.cmt-login{font-size:13.5px;color:var(--muted)}
.cmt-login a{color:var(--teal);font-weight:600;cursor:pointer}
.cmt-reply-box{margin-top:8px}
.cmt-reply-box textarea{width:100%;font-family:var(--sans);font-size:13.5px;padding:8px 10px;border:1px solid var(--line);border-radius:9px;resize:vertical;min-height:52px;outline:none}
.hm-dlcount{font-size:12px;font-weight:600;color:var(--muted);background:#f3f3ef;padding:3px 11px;border-radius:8px;margin-left:8px}