/* ============================================================
   基础组件库（E2）— 按钮/表单/表格/卡片/弹窗/步骤/标签/进度/侧栏/徽标/空态
   ============================================================ */

/* ---------- 按钮 ---------- */
.btn{height:44px;padding:0 22px;border:none;border-radius:var(--radius);font-size:15px;font-weight:700;background:var(--navy-600);color:#fff;display:inline-flex;align-items:center;justify-content:center;gap:6px;transition:background .15s,box-shadow .15s;}
.btn:hover{background:var(--navy-700);}
.btn:disabled{background:var(--bg-grey);color:var(--t-disabled);cursor:not-allowed;}
.btn-gold{background:var(--gold-600);color:#0F4028;} .btn-gold:hover{filter:brightness(.96);}
.btn-ghost{background:var(--blue-050);color:var(--navy-600);border:1px solid var(--navy-600);} .btn-ghost:hover{background:#DCEAE3;}
.btn-line{background:#fff;color:var(--t-body);border:1px solid var(--bd);} .btn-line:hover{border-color:var(--navy-600);color:var(--navy-600);}
.btn-danger{background:var(--error);color:#fff;}
.btn-sm{height:36px;padding:0 16px;font-size:14px;font-weight:600;}
.btn-lg{height:52px;padding:0 32px;font-size:17px;}
.btn-block{width:100%;}

/* ---------- 卡片 ---------- */
.card{background:var(--bg-card);border-radius:var(--radius);box-shadow:var(--shadow-card);}
.card-pad{padding:24px 28px;}
.panel-title{font-size:18px;font-weight:700;color:var(--t-title);margin:0 0 14px;padding-left:10px;border-left:4px solid var(--navy-600);}

/* ---------- 区块标题 ---------- */
.section-head{display:flex;justify-content:space-between;align-items:baseline;margin:32px 0 16px;}
.section-title{font-size:22px;font-weight:700;font-family:'Noto Serif SC',serif;color:var(--t-title);}
.section-title small{font-size:14px;color:var(--t-sub);font-weight:400;margin-left:8px;}
.section-more{font-size:14px;color:var(--navy-600);cursor:pointer;}

/* ---------- 表单 ---------- */
.field{width:100%;height:46px;border:1px solid var(--bd);border-radius:var(--radius);padding:0 14px;font-size:15px;color:var(--t-title);background:#fff;}
.field:focus{outline:none;border-color:var(--navy-600);box-shadow:0 0 0 3px rgba(27,110,71,.1);}
.field.err{border-color:var(--error);}
textarea.field{height:auto;padding:12px 14px;line-height:1.7;resize:vertical;}
.form-label{font-size:14px;color:var(--t-body);margin-bottom:6px;display:block;}
.form-row{display:grid;grid-template-columns:110px 1fr;gap:16px 14px;align-items:center;font-size:14px;}
.req::before{content:'*';color:var(--error);margin-right:2px;}

/* ---------- 表格 ---------- */
.tbl{width:100%;border-collapse:collapse;font-size:14px;}
.tbl th{padding:12px 12px;font-weight:600;color:var(--t-sub);text-align:left;border-bottom:1px solid var(--bd-light);background:transparent;}
.tbl td{padding:13px 12px;color:var(--t-title);border-bottom:1px solid var(--bg-page);}
.tbl tr:hover td{background:#FAFBFC;}
.tbl .link{color:var(--navy-600);cursor:pointer;} .tbl .link:hover{text-decoration:underline;}
.tbl .link.danger{color:var(--error);}

/* ---------- 徽标 / 胶囊 ---------- */
.badge{font-size:12px;font-weight:700;padding:3px 10px;border-radius:10px;display:inline-block;}
.badge.blue{background:var(--blue-050);color:var(--navy-600);}
.badge.green{background:var(--success-bg);color:var(--success);}
.badge.gold{background:var(--gold-bg2);color:var(--gold-text);}
.badge.red{background:var(--error-bg);color:var(--error);}
.badge.grey{background:var(--bg-grey);color:var(--t-sub);}
.chip{font-size:14px;color:var(--t-body);background:#fff;padding:6px 16px;border-radius:16px;cursor:pointer;border:1px solid var(--bd-light);}
.chip.active{background:var(--navy-600);color:#fff;font-weight:600;border-color:var(--navy-600);}

/* ---------- 步骤条 ---------- */
.steps{display:flex;align-items:center;justify-content:center;gap:10px;}
.steps .dot{width:30px;height:30px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:14px;font-weight:700;background:var(--bg-grey);color:var(--t-weak);}
.steps .lbl{font-size:15px;color:var(--t-weak);}
.steps .bar{width:48px;height:2px;background:var(--bg-grey);}
.steps .done .dot{background:var(--success);color:#fff;} .steps .done .lbl{color:var(--success);font-weight:600;}
.steps .cur .dot{background:var(--navy-600);color:#fff;} .steps .cur .lbl{color:var(--navy-600);font-weight:700;}
.steps .bar.on{background:var(--navy-600);} .steps .bar.ok{background:var(--success);}

/* ---------- 标签页 ---------- */
.tabs{display:flex;gap:28px;border-bottom:1px solid var(--bd-light);}
.tabs .tab{font-size:16px;color:var(--t-body);padding-bottom:12px;border-bottom:3px solid transparent;cursor:pointer;}
.tabs button.tab{border-top:0;border-right:0;border-left:0;background:transparent;font:inherit;}
.course-content-tabs button.tab{
  appearance:none;
  min-width:0;
  margin:0;
  padding:0 0 12px;
  border:0;
  border-bottom:3px solid transparent;
  border-radius:0;
  outline:0;
  background:transparent;
  box-shadow:none;
  color:var(--t-body);
  font:inherit;
}
.course-content-tabs button.tab:hover{color:var(--navy-600);}
.course-content-tabs button.tab.on{border-bottom-color:var(--navy-600);}
.tabs .tab.on{color:var(--navy-600);font-weight:700;border-bottom-color:var(--navy-600);}

/* ---------- 进度条 ---------- */
.bar-track{height:8px;background:var(--bg-grey);border-radius:4px;overflow:hidden;}
.bar-fill{height:100%;background:var(--navy-600);border-radius:4px;}
.bar-fill.green{background:var(--success);} .bar-fill.gold{background:var(--gold-600);}

/* ---------- 分页 ---------- */
.pager{display:flex;justify-content:center;gap:8px;margin-top:24px;}
.pager span{min-width:34px;height:34px;padding:0 8px;border-radius:6px;background:#fff;border:1px solid var(--bd);color:var(--t-body);display:flex;align-items:center;justify-content:center;font-size:14px;cursor:pointer;}
.pager .cur{background:var(--navy-600);color:#fff;border-color:var(--navy-600);font-weight:700;}
.pager .disabled{color:var(--t-disabled);cursor:not-allowed;}
.pager .ellipsis{min-width:22px;padding:0;border-color:transparent;background:transparent;cursor:default;}

/* ---------- 面包屑 ---------- */
.crumb{font-size:13px;color:var(--t-sub);margin-bottom:14px;}
.crumb a{color:var(--t-sub);} .crumb a:hover{color:var(--navy-600);}

/* ---------- 加载 / 空态 / 错误 ---------- */
.state{text-align:center;padding:48px 0;color:var(--t-sub);font-size:14px;}
.spinner{width:28px;height:28px;border:3px solid var(--bg-grey);border-top-color:var(--navy-600);border-radius:50%;animation:spin .8s linear infinite;margin:0 auto 12px;}
.empty-ill{width:80px;height:64px;margin:0 auto 12px;opacity:.9;}

/* ---------- 弹窗 ---------- */
.mask{position:fixed;inset:0;background:rgba(20,24,31,.55);display:flex;align-items:center;justify-content:center;padding:16px;overflow:auto;z-index:200;animation:fadeIn .15s;}
.modal{background:#fff;border-radius:var(--radius);box-shadow:var(--shadow-modal);padding:32px;width:440px;max-width:92vw;max-height:calc(100vh - 32px);overflow:auto;position:relative;animation:fadeIn .2s;}
.modal-icon{width:64px;height:64px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:30px;margin:0 auto 14px;}
.modal-icon.ok{background:var(--success-bg);color:var(--success);}
.modal-icon.warn{background:var(--gold-bg);color:var(--gold-600);}
.modal-icon.err{background:var(--error-bg);color:var(--error);}
.modal h3{font-size:20px;font-weight:700;color:var(--t-title);margin:0 0 10px;text-align:center;}
.modal .modal-body{font-size:15px;color:var(--t-body);line-height:1.7;text-align:center;margin-bottom:22px;}
.modal-actions{display:flex;gap:12px;}
.modal-actions .btn{flex:1;}

/* Toast */
.toast{position:fixed;left:50%;top:80px;transform:translateX(-50%);background:rgba(22,27,34,.92);color:#fff;padding:12px 22px;border-radius:8px;font-size:14px;z-index:999;box-shadow:0 6px 24px rgba(0,0,0,.2);animation:fadeIn .2s;}

/* ---------- 课程卡 ---------- */
.course-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;}
.course-grid.cols3{grid-template-columns:repeat(3,1fr);}
.home-learning-stats{margin-bottom:10px}
.home-stats-heading{display:flex;align-items:baseline;justify-content:space-between;gap:24px;margin-bottom:20px}
.home-stats-heading>div{display:flex;align-items:baseline;gap:18px;min-width:0}
.home-stats-heading h2{margin:0;font-family:'Noto Serif SC',serif;font-size:28px;color:var(--t-title)}
.home-stats-heading p{margin:0;color:var(--t-sub);font-size:16px}
.home-stats-heading>a{font-size:15px;color:var(--navy-600);white-space:nowrap}
.home-stats-heading>a span{font-size:21px;margin-left:4px}
.home-stats-feature-grid{display:grid;grid-template-columns:minmax(0,2fr) minmax(340px,1fr);gap:20px;margin-bottom:20px}
.home-continue-card,.home-archive-card,.home-stat-card{background:#fff;border:1px solid var(--bd-light);border-radius:12px;box-shadow:0 3px 14px rgba(15,64,40,.06)}
.home-continue-card{padding:20px 22px 22px}
.home-motto-card{min-height:276px;border-radius:12px;padding:38px 48px;color:#fff;position:relative;overflow:hidden;display:flex;flex-direction:column;justify-content:center;background:linear-gradient(120deg,rgba(8,55,92,.94),rgba(20,105,105,.83)),radial-gradient(circle at 85% 20%,#43a77b,transparent 43%);box-shadow:0 8px 24px rgba(12,57,89,.18)}
.home-motto-card.home-motto-art{padding:0;background:#174c62 url('/assets/images/home/motto-classic.png') center/cover no-repeat}
.home-motto-card.home-motto-art:after{display:none}
.home-motto-scene{position:absolute;inset:0;overflow:hidden;pointer-events:none}.home-motto-scene:before{content:'';position:absolute;inset:-35%;background:conic-gradient(from 160deg at 72% 40%,transparent 0 22%,rgba(87,220,188,.16) 32%,transparent 44% 70%,rgba(255,255,255,.08) 78%,transparent 88%);animation:mottoFlow 14s ease-in-out infinite alternate}.motto-moon{position:absolute;width:150px;height:150px;border-radius:50%;right:78px;top:34px;background:radial-gradient(circle at 38% 38%,rgba(230,255,246,.26),rgba(113,224,193,.08) 56%,transparent 58%);box-shadow:0 0 48px rgba(104,230,198,.16);animation:mottoFloat 7s ease-in-out infinite}.motto-mist{position:absolute;width:520px;height:48px;border-radius:50%;background:linear-gradient(90deg,transparent,rgba(255,255,255,.13),transparent);filter:blur(8px);opacity:.6}.mist-one{right:-110px;bottom:46px;animation:mottoMist 12s linear infinite}.mist-two{right:70px;bottom:86px;animation:mottoMist 16s linear infinite reverse}.motto-page{position:absolute;width:54px;height:34px;right:228px;bottom:40px;border:1px solid rgba(226,255,246,.28);border-radius:3px 15px 3px 15px;transform:rotate(-12deg);animation:mottoPage 6s ease-in-out infinite}.page-two{right:190px;bottom:53px;transform:rotate(15deg) scale(.72);animation-delay:-3s}.motto-spark{position:absolute;width:5px;height:5px;border-radius:50%;background:#d5fff1;box-shadow:0 0 10px #c3f9e8;animation:mottoSpark 5s ease-in-out infinite}.spark-one{right:310px;top:58px}.spark-two{right:145px;top:112px;animation-delay:-1.8s}.spark-three{right:250px;top:160px;animation-delay:-3.4s}
@keyframes mottoFlow{to{transform:translate3d(8%,4%,0) rotate(9deg) scale(1.08)}}@keyframes mottoFloat{50%{transform:translateY(-12px) scale(1.04);opacity:.85}}@keyframes mottoMist{0%{transform:translateX(90px);opacity:0}25%,70%{opacity:.5}100%{transform:translateX(-150px);opacity:0}}@keyframes mottoPage{50%{transform:translateY(-14px) rotate(4deg);opacity:.55}}@keyframes mottoSpark{0%,100%{transform:translateY(8px) scale(.65);opacity:.25}50%{transform:translateY(-10px) scale(1.2);opacity:.9}}
.home-motto-card:after{content:'';position:absolute;width:220px;height:220px;border:1px solid rgba(255,255,255,.15);border-radius:50%;right:-55px;top:-80px;box-shadow:0 0 0 34px rgba(255,255,255,.04),0 0 0 68px rgba(255,255,255,.025)}
.home-motto-mark{position:absolute;left:30px;top:8px;font-family:Georgia,serif;font-size:86px;color:rgba(255,255,255,.18);line-height:1}
.home-motto-card blockquote{position:relative;z-index:1;margin:0;font-family:'Noto Serif SC',serif;font-size:34px;font-weight:700;letter-spacing:5px;text-shadow:0 2px 10px rgba(0,0,0,.12)}
.home-motto-card p{position:relative;z-index:1;margin:18px 0 9px;font-size:17px;letter-spacing:4px;color:#d8f3e8}.home-motto-card span{position:relative;z-index:1;font-size:15px;color:rgba(255,255,255,.72)}
.home-studying-head{margin-top:30px}.home-studying-head>div{display:flex;align-items:baseline;gap:16px}.home-studying-head p{margin:0;color:var(--t-sub);font-size:13px}.home-studying-head>a{font-size:13px;color:var(--navy-600)}
.home-card-label{display:flex;align-items:center;gap:10px;color:var(--t-title);font-size:18px;font-weight:700;margin-bottom:18px}
.home-card-label svg{width:24px;height:24px;fill:none;stroke:#2E8B63;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.home-continue-content{display:flex;align-items:center;gap:22px}
.home-continue-icon{width:82px;height:82px;border-radius:14px;background:var(--navy-600);display:flex;align-items:center;justify-content:center;flex:0 0 82px;box-shadow:0 8px 18px rgba(27,110,71,.16)}
.home-continue-icon svg{width:42px;height:42px;fill:none;stroke:#fff;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.home-continue-main{flex:1;min-width:0}
.home-continue-main h3{font-size:18px;color:var(--t-title);margin:0 0 12px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.home-progress-row{display:flex;justify-content:space-between;align-items:center;font-size:13px;color:var(--t-sub);margin-bottom:7px}
.home-progress-row strong{font-size:20px;color:var(--navy-600)}
.home-progress-track{height:8px;background:var(--bg-grey);border-radius:5px;overflow:hidden}
.home-progress-track span{display:block;height:100%;background:var(--navy-600);border-radius:5px}
.home-continue-main p{font-size:13px;color:var(--t-sub);margin:8px 0 0}
.home-continue-action{margin-left:6px;white-space:nowrap;flex-shrink:0}
.home-archive-card{padding:24px 26px;display:flex;flex-direction:column;color:inherit;transition:border-color .16s,box-shadow .16s,transform .16s}
.home-archive-card:hover,.home-stat-card:hover{color:inherit;border-color:#B8D2C5;box-shadow:0 8px 22px rgba(15,64,40,.1);transform:translateY(-2px)}
.home-archive-content{display:flex;align-items:center;gap:24px;flex:1}
.home-progress-ring{position:relative;width:120px;height:120px;flex:0 0 120px}
.home-progress-ring svg{width:100%;height:100%;transform:rotate(-90deg);overflow:visible}
.home-progress-ring circle{fill:none;stroke:#e6ebf1;stroke-width:8}
.home-progress-ring circle.value{stroke:#2E8B63;stroke-linecap:round}
.home-progress-ring>div{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;flex-direction:column}
.home-progress-ring strong{font-size:27px;color:var(--navy-600);line-height:1.1}
.home-progress-ring span{font-size:14px;color:var(--t-sub);margin-top:4px}
.home-archive-content dl{margin:0;flex:1;min-width:0}
.home-archive-content dl>div{display:flex;justify-content:space-between;gap:14px;padding:7px 0;font-size:15px}
.home-archive-content dt{color:var(--t-sub)}
.home-archive-content dd{margin:0;color:var(--t-title);font-weight:600;white-space:nowrap}
.home-archive-link{font-size:15px;color:var(--navy-600);margin-top:10px}
.home-archive-link b{font-size:21px;margin-left:5px}
.home-study-flow{list-style:none;margin:0 0 20px;padding:18px 28px 16px;display:grid;grid-template-columns:repeat(6,minmax(0,1fr));background:#fff;border:1px solid var(--bd-light);border-radius:12px;box-shadow:0 3px 14px rgba(15,64,40,.06)}
.home-study-flow li{position:relative;display:flex;flex-direction:column;align-items:center;min-width:0;color:var(--t-title)}
.home-study-flow li:not(:last-child):after{content:'';position:absolute;z-index:0;top:25px;left:calc(50% + 25px);width:calc(100% - 50px);height:2px;background:#c7ddd2}
.home-study-flow li>span{position:relative;z-index:1;width:50px;height:50px;border-radius:50%;display:flex;align-items:center;justify-content:center;background:var(--navy-600);border:5px solid var(--blue-050);color:#fff;font-size:17px;font-weight:700;box-shadow:0 5px 16px rgba(27,110,71,.24)}
.home-study-flow li:last-child>span{background:var(--success);border-color:var(--success-bg);box-shadow:0 5px 16px rgba(30,142,90,.25)}
.home-study-flow strong{margin-top:9px;font-size:17px;line-height:1.35;white-space:nowrap}
.home-stat-cards{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px}
.home-stat-card{min-height:126px;padding:22px 20px;display:flex;align-items:center;gap:16px;color:inherit;transition:border-color .16s,box-shadow .16s,transform .16s}
.home-stat-icon{width:64px;height:64px;border-radius:15px;display:flex;align-items:center;justify-content:center;flex:0 0 64px;box-shadow:0 8px 18px rgba(15,64,40,.16)}
.home-stat-icon svg{width:35px;height:35px;fill:none;stroke:#fff;stroke-width:1.65;stroke-linecap:round;stroke-linejoin:round;filter:drop-shadow(0 1px 1px rgba(0,0,0,.08))}
.home-stat-icon.stat-course{background:linear-gradient(145deg,#1975aa,#075383)}
.home-stat-icon.stat-hours{background:linear-gradient(145deg,#16878c,#0b626d)}
.home-stat-icon.stat-certificate{background:linear-gradient(145deg,#6459be,#37358d)}
.home-stat-icon.stat-enroll{background:linear-gradient(145deg,#278d68,#126443)}
.home-stat-copy{display:flex;flex-direction:column;min-width:0;flex:1}
.home-stat-copy>span{font-size:17px;color:var(--t-title);font-weight:600}
.home-stat-copy strong{font-size:30px;color:var(--navy-600);line-height:1.3}
.home-stat-copy strong small{font-size:15px;color:var(--t-title);font-weight:500;margin-left:6px}
.home-stat-copy em{font-style:normal;font-size:13px;color:var(--t-sub);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.home-stat-arrow{font-family:Arial,sans-serif;font-size:30px;line-height:1;color:var(--t-sub);font-weight:800;transform:translateY(-1px)}
@media(max-width:1050px){.home-stats-feature-grid{grid-template-columns:1fr}.home-stat-cards{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:700px){.home-stats-heading>div{display:block}.home-stats-heading p{margin-top:4px}.home-continue-content{align-items:flex-start;flex-wrap:wrap}.home-continue-main{min-width:calc(100% - 104px)}.home-continue-action{margin-left:104px}.home-study-flow{grid-template-columns:repeat(3,minmax(0,1fr));row-gap:18px;padding:18px 12px}.home-study-flow li:nth-child(3):after{display:none}.home-stat-cards{grid-template-columns:1fr}}
@media(max-width:480px){.home-stats-feature-grid{grid-template-columns:minmax(0,1fr)}.home-continue-icon{width:64px;height:64px;flex-basis:64px}.home-continue-main{min-width:calc(100% - 86px)}.home-continue-action{margin-left:86px}.home-archive-content{align-items:flex-start}.home-progress-ring{width:92px;height:92px;flex-basis:92px}.home-study-flow strong{font-size:14px}}
@media(prefers-reduced-motion:reduce){.home-motto-scene *,.home-motto-scene:before{animation:none!important}}
.course-card{background:#fff;border-radius:var(--radius);box-shadow:var(--shadow-card);overflow:hidden;cursor:pointer;transition:box-shadow .2s;}
.course-card:hover{box-shadow:var(--shadow-hover);}
.course-cover{height:120px;background:linear-gradient(120deg,var(--navy-700),var(--navy-600));position:relative;display:flex;align-items:center;justify-content:center;}
.course-cover .thumb{font-size:40px;}
.course-cover .tag{position:absolute;top:10px;left:10px;background:rgba(255,255,255,.2);color:#fff;font-size:12px;padding:3px 10px;border-radius:10px;}
.course-cover .hours{position:absolute;bottom:10px;right:10px;background:rgba(0,0,0,.4);color:#fff;font-size:12px;padding:3px 8px;border-radius:6px;}
.course-body{padding:14px;}
.course-name{font-size:15px;font-weight:600;color:var(--t-title);line-height:1.5;height:45px;overflow:hidden;}
.course-meta{display:flex;justify-content:space-between;align-items:center;margin-top:8px;}
.course-price{font-size:16px;font-weight:700;color:var(--error);} .course-price.free{color:var(--navy-600);}
.course-stu{font-size:12px;color:var(--t-sub);}

/* ============================================================
   布局：学员端顶栏
   ============================================================ */
#app{min-height:100vh;display:flex;flex-direction:column;}
#app>main{flex:1 0 auto;}
.s-topbar{height:36px;background:#fff;color:var(--t-sub);font-size:13px;border-bottom:1px solid var(--bd-light);}
.s-topbar .wrap{height:100%;display:flex;align-items:center;justify-content:space-between;}
.s-topbar a{color:var(--navy-600);} .s-topbar a:hover{color:#23855B;}
.s-header{background:var(--navy-900);box-shadow:0 3px 12px rgba(15,64,40,.18);position:sticky;top:0;z-index:50;}
.s-header .wrap{height:64px;display:flex;align-items:center;gap:28px;}
.brand{display:flex;align-items:center;gap:8px;}
.brand-logo{width:40px;height:40px;border-radius:7px;display:block;object-fit:contain;background:#fff;}
.brand-name{font-size:19px;font-weight:700;color:#fff;}
.s-nav{display:flex;gap:34px;font-size:17px;font-weight:600;color:#D7E3F1;}
.s-nav a{color:#D7E3F1;padding:6px 0;border-bottom:2px solid transparent;white-space:nowrap;}
.s-nav a:hover,.s-nav a.on{color:#fff;border-bottom-color:#fff;}
.s-user{margin-left:auto;display:flex;align-items:center;gap:10px;}
.s-header .s-user{color:#E8F6F0;}
.header-message{position:relative;width:38px;height:38px;border:0;border-radius:50%;background:rgba(255,255,255,.08);color:#fff;padding:8px;cursor:pointer;display:flex;align-items:center;justify-content:center}
.header-message svg{width:22px;height:22px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.header-message:hover{color:#DDF4E8}.header-message:disabled{opacity:.65;cursor:wait}
.header-message b{position:absolute;top:-5px;right:-7px;min-width:18px;height:18px;padding:0 5px;border-radius:10px;background:#f04444;color:#fff;font-size:11px;line-height:18px;text-align:center;box-shadow:0 0 0 2px var(--navy-900)}
.header-message b[hidden]{display:none}
.message-modal{width:620px;padding:0;overflow:hidden}
.message-modal-head{display:flex;align-items:flex-start;justify-content:space-between;padding:24px 26px 16px;border-bottom:1px solid var(--bd-light)}
.message-modal-head h3{text-align:left;margin:0;font-size:21px}.message-modal-head p{margin:5px 0 0;color:var(--t-sub);font-size:13px}
.message-modal-close{border:0;background:transparent;color:var(--t-sub);font-size:28px;line-height:1;cursor:pointer;padding:0 3px}
.message-modal-tools{display:flex;align-items:center;justify-content:space-between;padding:12px 26px;background:#f8fafc;color:var(--t-sub);font-size:13px}
.message-modal-list{max-height:56vh;overflow:auto}
.message-modal-item{width:100%;display:flex;gap:12px;padding:17px 26px;border:0;border-bottom:1px solid var(--bd-light);background:#fff;text-align:left;cursor:pointer}
.message-modal-item:hover{background:#f8fbff}.message-modal-item.unread{background:#f4f8fd}
.message-modal-dot{width:8px;height:8px;border-radius:50%;background:transparent;margin-top:7px;flex:0 0 auto}.message-modal-item.unread .message-modal-dot{background:var(--error)}
.message-modal-copy{display:grid;grid-template-columns:1fr auto;gap:5px 16px;min-width:0;flex:1}.message-modal-copy strong{color:var(--t-title);font-size:14px}.message-modal-copy em{font-style:normal;color:var(--t-weak);font-size:12px}.message-modal-copy>span{grid-column:1/-1;color:var(--t-sub);font-size:13px;line-height:1.65;white-space:pre-wrap}
.home-continue-icon.has-cover{position:relative;overflow:hidden;padding:0}.home-continue-cover{width:100%;height:100%;object-fit:cover;display:block}.home-continue-cover-fallback{width:100%;height:100%;display:flex;align-items:center;justify-content:center}.home-continue-cover-fallback svg{width:42px;height:42px;fill:none;stroke:currentColor;stroke-width:1.8}
.s-header .s-user a{color:#D7E3F1!important;}
.s-header .s-user a:hover{color:#fff!important;}
.header-profile{display:flex;align-items:center;gap:9px;padding:4px 6px;border-radius:8px}.header-profile:hover{background:rgba(255,255,255,.08)}.header-profile-copy{display:flex;flex-direction:column;line-height:1.2}.header-profile-copy strong{font-size:14px;color:#fff}.header-profile-copy small{font-size:11px;color:#b9d8ca;margin-top:3px}.header-logout{margin-left:2px}.user-avatar-image{object-fit:cover;background:#fff}
.avatar{width:34px;height:34px;border-radius:50%;background:var(--blue-050);color:var(--navy-600);display:flex;align-items:center;justify-content:center;font-size:14px;font-weight:700;}
.settings-avatar-wrap{display:flex;flex-direction:column;align-items:center;gap:7px}.settings-avatar-preview{width:72px;height:72px;font-size:24px;overflow:hidden}.settings-avatar-preview img{width:100%;height:100%;object-fit:cover}.settings-avatar-button{font-size:12px;color:var(--navy-600);cursor:pointer}.settings-avatar-button:hover{text-decoration:underline}
.footer{background:#16221D;padding:28px 0;color:#667A6F;font-size:13px;margin-top:40px;flex-shrink:0;}
.footer .wrap{display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;}
.footer a{color:#A7B0BC;} .footer a:hover{color:#fff;}

/* ============================================================
   布局：后台 / 监管端（深色侧栏 + 顶栏）
   ============================================================ */
.admin-shell{display:flex;min-height:100vh;}
.side{width:var(--sidebar-w);flex-shrink:0;background:var(--navy-900);color:#C7D5CF;padding-bottom:24px;}
.side-brand{display:flex;align-items:center;gap:10px;padding:18px 20px;color:#fff;border-bottom:1px solid rgba(255,255,255,.08);margin-bottom:10px;}
.side-brand .logo{width:36px;height:36px;border-radius:6px;display:block;object-fit:contain;background:#fff;}
.side-brand.gov .logo{background:var(--gold-600);color:var(--navy-900);}
.side-group{font-size:12px;color:#8FAF9F;padding:12px 20px 6px;letter-spacing:1px;}
.side-item{display:flex;align-items:center;gap:10px;padding:11px 20px;font-size:14px;cursor:pointer;color:#C7D5CF;border-left:3px solid transparent;}
.side-item:hover{background:rgba(27,110,71,.25);color:#fff;}
.side-item.on{background:rgba(27,110,71,.45);color:#fff;border-left-color:var(--navy-600);}
.side-item.on.gov{border-left-color:var(--gold-600);}
.admin-main{flex:1;min-width:0;display:flex;flex-direction:column;}
.admin-top{height:56px;background:#fff;border-bottom:1px solid var(--bd-light);display:flex;align-items:center;justify-content:space-between;padding:0 24px;flex-shrink:0;}
.admin-top .bc{font-size:14px;color:var(--t-sub);} .admin-top .bc b{color:var(--t-title);font-weight:600;}
.admin-body{padding:20px 24px;flex:1;}
.stat-cards{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;}
.stat-card{background:#fff;border-radius:8px;box-shadow:var(--shadow-card);padding:18px 20px;}
.stat-card .lb{font-size:13px;color:var(--t-sub);margin-bottom:8px;}
.stat-card .vl{font-size:26px;font-weight:700;font-family:'Noto Serif SC',serif;color:var(--t-title);}
.stat-card .tr{font-size:12px;margin-top:6px;}

/* ---------- PC 考前人脸核验：与移动端一致的扫描及结果分流 ---------- */
.pc-face-page{width:1120px;max-width:calc(100% - 48px);margin:0 auto;padding:38px 0 56px;display:grid;grid-template-columns:minmax(0,1.25fr) minmax(380px,.9fr);gap:24px;align-items:stretch;}
.pc-face-rules,.pc-face-panel{padding:36px 40px;min-height:570px;box-sizing:border-box;}
.pc-face-eyebrow{font-size:12px;letter-spacing:1.8px;font-weight:700;color:var(--navy-600);margin-bottom:10px;}
.pc-face-rules h1,.pc-face-panel h2{margin:0;color:var(--t-title);font-size:24px;font-weight:700;}
.pc-face-exam-name{font-size:16px;color:var(--t-sub);margin:9px 0 28px;}
.pc-face-rule-list{display:flex;flex-direction:column;gap:18px;}
.pc-face-rule{display:flex;gap:14px;align-items:flex-start;}
.pc-face-rule>span{width:28px;height:28px;border-radius:50%;background:var(--blue-050);color:var(--navy-600);display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:700;flex-shrink:0;}
.pc-face-rule p{margin:2px 0 0;color:var(--t-body);font-size:15px;line-height:1.75;}
.pc-face-agree{display:flex;align-items:center;gap:10px;margin-top:30px;padding-top:24px;border-top:1px solid var(--bd-light);font-size:15px;color:var(--t-title);cursor:pointer;}
.pc-face-agree input{width:18px;height:18px;accent-color:var(--navy-600);}
.pc-face-panel{text-align:center;display:flex;flex-direction:column;}
.pc-face-panel-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px;}
.pc-face-step{font-size:12px;font-weight:700;color:var(--navy-600);background:var(--blue-050);padding:5px 12px;border-radius:999px;}
.pc-face-secure{font-size:12px;color:var(--success);}
.pc-face-sub{font-size:14px;color:var(--t-sub);margin:8px 0 22px;}
.pc-face-camera-wrap{width:250px;height:250px;border-radius:50%;margin:0 auto 20px;background:var(--navy-900);position:relative;overflow:hidden;border:4px solid var(--gold-600);box-shadow:0 12px 34px rgba(15,64,40,.18);}
.pc-face-camera-wrap video{width:100%;height:100%;object-fit:cover;transform:scaleX(-1);background:var(--navy-900);}
.pc-face-guide{position:absolute;inset:12%;border:1px dashed rgba(255,255,255,.62);border-radius:48% 48% 45% 45%;pointer-events:none;}
.pc-face-scan-line{position:absolute;left:10%;right:10%;top:18%;height:2px;background:linear-gradient(90deg,transparent,#F1CF59,transparent);box-shadow:0 0 10px #F1CF59;animation:pcFaceScan 2.4s ease-in-out infinite;pointer-events:none;}
@keyframes pcFaceScan{0%,100%{top:20%;opacity:.55}50%{top:78%;opacity:1}}
.pc-face-status{min-height:24px;color:var(--gold-600);font-size:14px;font-weight:600;}
.pc-face-tips{display:flex;justify-content:center;gap:10px;margin:14px 0 22px;}
.pc-face-tips span{font-size:12px;color:var(--t-sub);background:var(--bg-grey);border-radius:999px;padding:5px 10px;}
.pc-face-action{height:50px;margin-top:auto;}
.pc-face-action.danger{background:var(--error);}
.pc-face-result{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:18px 8px;}
.pc-face-result-icon{width:104px;height:104px;border-radius:50%;display:flex;align-items:center;justify-content:center;color:#fff;font-size:52px;font-weight:700;margin-bottom:24px;}
.pc-face-result.passed .pc-face-result-icon{background:var(--success);box-shadow:0 14px 34px rgba(30,142,90,.22);}
.pc-face-result.failed .pc-face-result-icon{background:var(--error);box-shadow:0 14px 34px rgba(214,69,69,.20);}
.pc-face-result h2{font-size:26px;margin-bottom:10px;}
.pc-face-result>p{font-size:15px;color:var(--t-body);line-height:1.75;margin:0;max-width:360px;}
.pc-face-result-notice{width:100%;box-sizing:border-box;border-radius:10px;padding:14px 18px;margin:24px 0;font-size:14px;font-weight:700;}
.pc-face-result.passed .pc-face-result-notice{color:#176B45;background:var(--success-bg);}
.pc-face-result.failed .pc-face-result-notice{color:#A92F2F;background:var(--error-bg);}
.pc-face-result .btn-line{margin-top:10px;}
.pc-face-result-foot{font-size:12px;color:var(--t-sub);margin-top:16px;}
@media(max-width:900px){.pc-face-page{grid-template-columns:1fr;width:680px}.pc-face-rules,.pc-face-panel{min-height:auto}.pc-face-panel{min-height:570px}}
/* 首页真实图片 */
.course-cover{overflow:hidden;isolation:isolate;}
.course-cover-img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:0;transition:transform .35s ease;}
.course-card:hover .course-cover-img{transform:scale(1.04);}
.course-cover-shade{position:absolute;inset:0;z-index:1;background:linear-gradient(180deg,rgba(10,31,58,.08),rgba(10,31,58,.38));pointer-events:none;}
.course-cover .thumb{position:relative;z-index:2;}
.course-cover .tag,.course-cover .hours{z-index:3;backdrop-filter:blur(3px);}
.portal-login-logo{width:52px;height:52px;border-radius:10px;display:block;object-fit:contain;background:#fff;}

/* ---------- 学习中心课程封面 ---------- */
.learning-hero{background:linear-gradient(120deg,var(--navy-600),var(--navy-700));border-radius:8px;padding:22px 26px;color:#fff;display:flex;align-items:center;gap:22px;margin-bottom:16px;overflow:hidden;}
.learning-center-shell{min-height:calc(100vh - 173px);padding:20px 0 8px;box-sizing:border-box;display:flex;gap:16px;align-items:stretch}
main:has(.learning-center-shell)+.footer{margin-top:0}
.learning-center-nav{position:sticky;top:84px;width:224px;min-height:100%;flex-shrink:0;padding:14px 12px;box-sizing:border-box;align-self:stretch}
.learning-center-content{flex:1;min-width:0}
.learning-center-shell .me-item{min-height:56px;box-sizing:border-box;display:flex;align-items:center;gap:13px;padding:14px 16px;margin-bottom:6px;border-radius:8px;font-size:17px;line-height:1.65;cursor:pointer;color:var(--t-body);transition:background .15s,color .15s}
.learning-center-shell .me-item:last-child{margin-bottom:0}
.learning-center-shell .me-item-icon{width:22px;height:22px;flex:0 0 22px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.learning-center-shell .me-item:hover{background:var(--bg-head);color:var(--navy-600)}
.learning-center-shell .me-item.on{background:var(--blue-050);color:var(--navy-600);font-weight:700}
@media(max-width:760px){.learning-center-shell{min-height:0;padding:16px 14px 32px;flex-direction:column}.learning-center-nav{position:static;width:100%;min-height:0;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));box-sizing:border-box}.learning-center-shell .me-item{margin:0;min-height:52px}.learning-center-content{width:100%}}
.learning-hero-cover{width:144px;height:82px;border-radius:8px;background:rgba(255,255,255,.16);position:relative;overflow:hidden;display:flex;align-items:center;justify-content:center;flex-shrink:0;}
.learning-hero-cover-img,.mine-course-cover-img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;}
.learning-hero-cover-img{filter:saturate(.9);}
.learning-cover-play{position:relative;z-index:2;width:36px;height:36px;border-radius:50%;display:flex;align-items:center;justify-content:center;padding-left:3px;background:rgba(10,31,58,.72);box-shadow:0 4px 14px rgba(0,0,0,.22);font-size:15px;}
.learning-cover-fallback{font-size:28px;color:#fff;}
.mine-course-row{display:flex;align-items:center;gap:14px;padding:14px 0;border-bottom:1px solid var(--bd-light);}
.mine-course-cover{width:88px;height:54px;border-radius:6px;background:linear-gradient(120deg,var(--navy-700),var(--navy-600));position:relative;overflow:hidden;flex-shrink:0;display:flex;align-items:center;justify-content:center;}
.mine-course-cover-fallback{color:#fff;font-size:24px;}
/* 实名注册与短信验证码 */
.sms-code-row{display:flex;align-items:stretch;gap:8px;margin-bottom:12px}.sms-code-row .field{flex:1;min-width:0;margin:0}.sms-code-btn{width:132px!important;flex:0 0 132px;white-space:nowrap;padding-left:10px!important;padding-right:10px!important}.register-section-title{font-size:16px;font-weight:700;color:var(--t-title);margin-bottom:16px}.registration-message{font-size:13px;min-height:20px;margin:4px 0 10px}.registration-upload-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-bottom:12px}.registration-upload-card{height:142px;border:1px dashed var(--bd);border-radius:8px;overflow:hidden;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:6px;color:var(--t-sub);font-size:13px;cursor:pointer;background:var(--bg-head)}.registration-upload-card:hover{border-color:var(--navy-600);color:var(--navy-600)}.registration-upload-card img{width:100%;height:105px;object-fit:cover}.registration-upload-plus{font-size:28px}.registration-tip{font-size:12px;color:var(--t-sub);background:var(--bg-head);border-radius:6px;padding:9px 11px;margin-bottom:10px;line-height:1.7}.registration-face-card{width:210px;height:210px;border-radius:50%;margin:0 auto 16px;display:flex;align-items:center;justify-content:center;overflow:hidden;border:3px solid var(--gold-600);background:var(--navy-900);cursor:pointer}.registration-face-card img{width:100%;height:100%;object-fit:cover}.registration-face-placeholder{color:#fff;font-size:13px;text-align:center;line-height:1.7;padding:30px}
/* 密码登录 / 短信登录 */
.auth-login-tabs{display:flex;margin-bottom:20px}.auth-login-tabs .tab{flex:1;text-align:center;white-space:nowrap}.auth-message{font-size:13px;min-height:20px;margin-bottom:8px}.auth-login-links{display:flex;justify-content:space-between;font-size:13px;margin-top:12px}.auth-login-links a{color:var(--navy-600)}.auth-login-foot{font-size:12px;color:var(--t-sub);text-align:center;margin-top:16px;line-height:1.8}

/* 学员登录页：品牌标题 + 权威认证的双栏沉浸式布局 */
.student-login-page{position:relative;min-height:100vh;overflow:hidden;display:grid;grid-template-columns:minmax(500px,560px) 520px;align-items:center;justify-content:center;gap:clamp(56px,6vw,112px);padding:48px;background:radial-gradient(900px 520px at 88% -15%,rgba(30,58,95,.58),transparent 72%),linear-gradient(135deg,#143059,#0e2340);color:#fff}
.student-login-page::after{content:'';position:absolute;inset:0;pointer-events:none;background:linear-gradient(90deg,rgba(4,18,38,.2),transparent 48%,rgba(30,58,95,.16))}
.student-login-abstract{position:absolute;z-index:0;border-radius:50%;pointer-events:none}.student-login-abstract-top{width:700px;height:430px;right:-110px;top:-185px;background:rgba(30,58,95,.28)}.student-login-abstract-bottom{width:450px;height:450px;left:-190px;bottom:-235px;background:rgba(20,48,89,.32)}
.student-login-orbit,.student-login-chart,.student-login-house,.student-login-dash{position:absolute;z-index:1;fill:none;stroke:rgba(202,220,240,.2);stroke-width:1.2;pointer-events:none}.student-login-orbit{width:220px;height:220px;left:4.5%;top:7%}.student-login-chart{width:200px;height:100px;left:4%;bottom:13%}.student-login-house{width:185px;height:165px;right:3.5%;bottom:11%}.student-login-dash{width:44%;height:64px;left:28%;bottom:5%;stroke-dasharray:2 6}.student-login-orbit .gold,.student-login-chart .gold{stroke:#c9a24b}.student-login-orbit circle.gold,.student-login-house .gold-fill{fill:#c9a24b;stroke:none}
.student-login-ring{position:absolute;z-index:1;width:18px;height:18px;right:15%;top:22%;border:1px solid rgba(202,220,240,.34);border-radius:50%}.student-login-cross{position:absolute;z-index:1;width:20px;height:20px;right:6%;top:13%;transform:rotate(45deg);opacity:.32}.student-login-cross::before,.student-login-cross::after{content:'';position:absolute;background:#c8d9eb}.student-login-cross::before{width:1px;height:100%;left:50%}.student-login-cross::after{height:1px;width:100%;top:50%}
.student-login-brand{position:relative;z-index:2;width:560px;color:#fff}.student-login-brand h1{display:flex;align-items:baseline;gap:14px;margin:0 0 48px;font-family:'Noto Serif SC','Songti SC',serif;white-space:nowrap}.student-login-brand h1 strong,.student-login-brand h1 span{font-size:48px;line-height:1.2}.student-login-brand h1 strong{font-weight:800;letter-spacing:1px}.student-login-brand h1 span{font-weight:650}
.student-login-credential{position:relative;padding-left:38px}.student-login-credential::before{content:'';position:absolute;left:0;top:0;bottom:0;width:4px;border-radius:99px;background:linear-gradient(180deg,#e4bd58,#c99b32)}.student-login-credential-main{display:flex;align-items:center;gap:18px;margin-bottom:18px;white-space:nowrap}.student-login-credential-main>span{flex:0 0 auto;padding:8px 20px;border-radius:999px;background:linear-gradient(135deg,#f3cf72,#d7a83f);color:#15243b;font-size:16px;line-height:1.4;font-weight:800;letter-spacing:.5px;box-shadow:0 6px 18px rgba(201,162,75,.14)}.student-login-credential-main strong{color:#fff;font-size:25px;line-height:1.45;font-weight:750}.student-login-credential-main em{color:#efbd52;font-size:34px;font-style:normal;font-weight:800}.student-login-credential p{margin:0 0 16px;color:rgba(223,233,246,.72);font-size:17px;line-height:1.7}.student-login-credential-source{display:flex;align-items:center;gap:18px;color:#fff;font-size:19px}.student-login-credential-source b{font-weight:650}.student-login-credential-source i{color:rgba(255,255,255,.72);font-style:normal}.student-login-credential-source a{color:#fff;font-weight:600}.student-login-credential-source a:hover{color:#efbd52}
.student-login-card{position:relative;z-index:3;width:520px;min-height:550px;padding:48px;border-radius:12px;background:#fff;box-shadow:0 22px 64px rgba(2,16,38,.34);display:flex;align-items:center}.student-login-card>#authBox{width:100%}.student-login-card .field,.student-login-card .sms-code-btn{height:62px}.student-login-card .field{border-radius:9px}.student-login-card .btn-block{height:62px;border-radius:9px;font-weight:700;letter-spacing:4px;background:#163b69;border-color:#163b69}.student-login-card .btn-block:hover{background:#102f56}.student-login-card .tabs .tab.on{color:#163b69;border-bottom-color:#163b69}.student-login-card .auth-login-links a{color:#145f9a}
@media(max-width:1180px){.student-login-page{grid-template-columns:minmax(420px,500px) minmax(420px,480px);gap:42px;padding:36px}.student-login-brand{width:100%}.student-login-brand h1 strong,.student-login-brand h1 span{font-size:40px}.student-login-credential-main{align-items:flex-start;flex-direction:column;gap:10px;white-space:normal}.student-login-card{width:100%}}
@media(max-width:900px){.student-login-page{display:flex;align-items:center;justify-content:center;padding:24px}.student-login-brand{display:none}.student-login-card{width:min(100%,520px);min-height:auto}.student-login-orbit{left:-60px}.student-login-house{right:-50px}}
@media(max-width:560px){.student-login-card{padding:32px 24px}.student-login-page{padding:16px}.student-login-card .field,.student-login-card .sms-code-btn,.student-login-card .btn-block{height:54px}}

/* 证书查询：桌面左右双栏，右栏在查询前展示扫码说明，查询后原位展示结果 */
.cert-verify-hero{height:180px;background:linear-gradient(120deg,var(--navy-900),var(--navy-600));display:flex;flex-direction:column;align-items:center;justify-content:center;color:#fff;text-align:center;padding:0 20px;box-sizing:border-box}
.cert-verify-shell{max-width:1080px;margin-top:-36px;padding-bottom:48px;display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:24px;align-items:stretch}
.cert-verify-card{min-width:0;padding:32px;box-sizing:border-box}
.cert-verify-title{font-size:18px;font-weight:700;color:var(--t-title);margin-bottom:20px}
.cert-verify-captcha{display:flex;gap:10px;margin-bottom:20px}
.cert-verify-captcha .field{flex:1;min-width:0}
.cert-captcha-code{width:110px;flex:0 0 110px;background:var(--bg-grey);border-radius:8px;display:flex;align-items:center;justify-content:center;font-size:17px;font-style:italic;font-weight:700;color:var(--t-body);letter-spacing:3px}
.cert-verify-guide{height:100%;min-height:360px;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:10px 20px;box-sizing:border-box}
.cert-scan-icon{width:82px;height:82px;border-radius:20px;background:var(--blue-050);color:var(--navy-600);display:flex;align-items:center;justify-content:center;margin-bottom:20px}
.cert-scan-icon svg{width:48px;height:48px;display:block}
.cert-guide-title{font-size:20px;font-weight:700;color:var(--t-title);margin-bottom:9px}
.cert-guide-desc{max-width:330px;font-size:14px;line-height:1.8;color:var(--t-sub)}
.cert-guide-steps{width:100%;max-width:350px;margin-top:24px;display:grid;grid-template-columns:repeat(3,1fr);gap:10px}
.cert-guide-step{border-radius:8px;background:var(--bg-head);padding:12px 8px;font-size:12px;line-height:1.55;color:var(--t-sub)}
.cert-guide-step b{display:block;color:var(--navy-600);font-size:15px;margin-bottom:3px}
.cert-verify-result{min-height:360px}

/* 个人中心与课程页布局修复 */
.text-link{display:inline-flex;align-items:center;justify-content:center;width:auto;flex:0 0 auto;border:0;background:transparent;padding:3px 0;color:var(--navy-600);font-size:13px;white-space:nowrap;cursor:pointer}
.text-link:hover{text-decoration:underline}
.text-link.danger{color:var(--error)}
.message-head{display:flex;justify-content:space-between;align-items:center;gap:20px;margin-bottom:6px}
.message-title{font-size:19px;font-weight:700;color:var(--t-title);white-space:nowrap;word-break:keep-all}
.settings-profile{display:flex;align-items:center;gap:16px;padding-bottom:20px;border-bottom:1px solid var(--bd-light);margin-bottom:18px}
.settings-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;margin-bottom:14px}
.settings-item{min-width:0;min-height:92px;border:1px solid var(--bd-light);border-radius:10px;background:var(--bg-page);padding:18px 20px;display:flex;justify-content:space-between;align-items:center;gap:20px}
.settings-label{font-size:15px;font-weight:700;color:var(--t-title);margin-bottom:5px;white-space:nowrap}
.settings-value{font-size:13px;color:var(--t-sub);line-height:1.65;overflow-wrap:anywhere}
.settings-face{border:1px solid var(--bd-light);border-radius:10px;padding:18px 20px;display:flex;justify-content:space-between;align-items:center;gap:20px}

/* 选课车：课程信息保持为完整横向信息组，窄屏再有序折行 */
.cart-layout{display:grid;grid-template-columns:minmax(0,1fr) minmax(280px,320px);gap:20px;align-items:start}
.cart-list-card{min-width:0;padding:24px 28px}
.cart-title{font-size:19px;font-weight:700;color:var(--t-title);margin-bottom:12px;white-space:nowrap}
.cart-course-row{display:grid;grid-template-columns:112px minmax(0,1fr) max-content max-content;align-items:center;gap:18px;padding:18px 0;border-bottom:1px solid var(--bd-light)}
.cart-course-cover{position:relative;width:112px;height:70px;border-radius:8px;background:linear-gradient(120deg,var(--navy-700),var(--navy-600));display:flex;align-items:center;justify-content:center;color:#fff;font-size:24px;overflow:hidden;flex-shrink:0}
.cart-course-cover-img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.cart-course-cover-fallback{color:#fff;font-size:24px;line-height:1}
.cart-course-info{min-width:0}
.cart-course-name{max-width:100%;font-size:16px;font-weight:700;color:var(--t-title);line-height:1.55;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;margin-bottom:8px}
.cart-course-meta{display:flex;align-items:center;gap:10px;color:var(--t-sub);font-size:13px;white-space:nowrap}
.cart-course-meta .badge{white-space:nowrap}
.cart-course-price{font-size:17px;font-weight:700;color:var(--error);white-space:nowrap;justify-self:end}
.cart-course-price.free{color:var(--navy-600)}
.cart-course-remove{justify-self:end}
.cart-summary{min-width:0;width:auto;padding:24px;position:sticky;top:84px}
.cart-summary-title{font-size:17px;font-weight:700;color:var(--t-title);margin-bottom:18px;white-space:nowrap}
.cart-summary-progress{margin-bottom:14px}
.cart-summary-progress.last{margin-bottom:20px}
.cart-summary-line{display:flex;justify-content:space-between;align-items:center;gap:12px;font-size:14px;margin-bottom:6px;white-space:nowrap}
.cart-summary-line strong{font-weight:700}
.cart-summary-line .success{color:var(--success)}
.cart-summary-line .gold{color:var(--gold-600)}
.cart-summary-total{display:flex;justify-content:space-between;align-items:center;gap:14px;font-size:15px;padding-top:16px;border-top:1px solid var(--bd-light);margin-bottom:16px;white-space:nowrap}
.cart-summary-total b{font-size:22px;color:var(--error)}

/* 证书预览：弹窗在视口内滚动，关闭按钮始终可见 */
.certificate-modal{width:min(800px,calc(100vw - 32px));max-width:none;padding:18px}
.certificate-modal-close{position:sticky;top:0;z-index:5;width:36px;height:36px;margin:0 0 -36px auto;border:0;border-radius:50%;background:rgba(15,64,40,.92);color:#fff;font-size:25px;line-height:1;display:flex;align-items:center;justify-content:center;cursor:pointer;box-shadow:0 3px 12px rgba(15,64,40,.28)}
.certificate-modal-close:hover{background:var(--navy-600)}
.certificate-paper{width:100%;background:#fff;padding:44px 48px;position:relative;font-family:'Noto Serif SC',serif;border-radius:6px}

.registration-publication-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
.registration-publication-card{min-width:0;padding:22px;position:relative;cursor:pointer;border:1px solid transparent;transition:border-color .18s,box-shadow .18s}
.registration-publication-card:hover{box-shadow:var(--shadow-hover)}
.registration-publication-card.selected{border:2px solid var(--navy-600)}
.registration-publication-card.disabled{cursor:not-allowed;opacity:.72}
.registration-selected{position:absolute;top:-1px;right:-1px;background:var(--navy-600);color:#fff;font-size:12px;font-weight:700;padding:4px 12px;border-radius:0 8px 0 8px}
.registration-publication-title{font-size:17px;font-weight:700;color:var(--t-title);margin:12px 0 8px;line-height:1.55;min-height:52px;word-break:normal;overflow-wrap:anywhere}
.registration-publication-desc{font-size:14px;color:var(--t-sub);line-height:1.8;margin-bottom:14px}
.registration-publication-foot{display:flex;justify-content:space-between;align-items:center;gap:12px;font-size:13px;color:var(--t-sub)}
.registration-publication-price{font-size:20px;font-weight:700;color:var(--error);white-space:nowrap}
.registration-publication-price.free{color:var(--navy-600)}

/* 统一课程学习页：视频 + 课程信息/购买区 + 全宽详情标签 */
.learning-page-header{min-height:56px;background:#fff;border-bottom:1px solid var(--bd-light);display:flex;align-items:center;justify-content:space-between;gap:20px;padding:0 40px;box-sizing:border-box}
.learning-page-shell{width:1200px;max-width:calc(100% - 32px);margin:0 auto;padding:24px 0 48px}
.learning-top-grid{display:grid;grid-template-columns:minmax(0,826px) minmax(300px,1fr);gap:20px;align-items:stretch}
.learning-video-column{min-width:0}
.learning-video-frame{display:block;width:100%;aspect-ratio:16/9;max-height:465px;border-radius:8px;background:#07182b;box-sizing:border-box;object-fit:contain;overflow:hidden}
.learning-video-placeholder{display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;color:#fff;padding:32px}
.learning-video-placeholder h2{font-size:24px;line-height:1.5;margin:0 0 12px}
.learning-video-placeholder p{margin:0;color:#c8d6e3;line-height:1.8}
.learning-video-shell{position:relative}
.course-preview-video-shell{position:relative;width:420px;height:236px;flex-shrink:0;border-radius:8px;overflow:hidden;background:#07182b}
.video-watermark{--video-watermark-rows:3;--video-watermark-speed:12s;--video-watermark-opacity:.25;position:absolute;z-index:2;inset:0;display:grid;grid-template-rows:repeat(var(--video-watermark-rows),minmax(0,1fr));padding:5% 0 13%;overflow:hidden;pointer-events:none;user-select:none}
.video-watermark.is-hidden{display:none}
.video-watermark-row{position:relative;min-height:0;overflow:hidden}
.video-watermark-row span{position:absolute;top:50%;display:block;max-width:none;color:#fff;font-size:clamp(13px,1.35vw,18px);font-weight:600;line-height:1;letter-spacing:2px;opacity:var(--video-watermark-opacity);text-shadow:0 1px 3px rgba(0,0,0,.42);white-space:nowrap;will-change:left,transform;animation-duration:var(--video-watermark-speed);animation-delay:var(--video-watermark-delay,0s);animation-timing-function:linear;animation-iteration-count:infinite}
.video-watermark--right_to_left .video-watermark-row span{animation-name:videoWatermarkRightToLeft}
.video-watermark--left_to_right .video-watermark-row span{animation-name:videoWatermarkLeftToRight}
.video-watermark--alternate .video-watermark-row span{animation-name:videoWatermarkAlternate;animation-direction:alternate}
@keyframes videoWatermarkRightToLeft{from{left:100%;transform:translate3d(0,-50%,0)}to{left:0;transform:translate3d(-100%,-50%,0)}}
@keyframes videoWatermarkLeftToRight{from{left:0;transform:translate3d(-100%,-50%,0)}to{left:100%;transform:translate3d(0,-50%,0)}}
@keyframes videoWatermarkAlternate{from{left:0;transform:translate3d(0,-50%,0)}to{left:100%;transform:translate3d(-100%,-50%,0)}}
.learning-preview-shell video{position:absolute;inset:0;width:100%;height:100%;background:#07182b;object-fit:contain}
.learning-preview-status,.learning-preview-gate{position:absolute;z-index:3;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:32px;color:#fff;background:linear-gradient(155deg,rgba(7,24,43,.92),rgba(8,55,84,.88));box-sizing:border-box}
.learning-preview-status h2{margin:12px 0 8px;font-size:24px}.learning-preview-status p{margin:0;color:#d4e1ec;line-height:1.8}.learning-preview-status.is-error p{color:#ffd4d4}
.learning-preview-play{width:68px;height:68px;border-radius:50%;display:grid;place-items:center;background:rgba(255,255,255,.13);font-size:25px}
.learning-preview-gate{z-index:4;gap:12px;background:rgba(3,20,35,.9)}.learning-preview-gate strong{font-size:25px}.learning-preview-gate span{color:#d7e2eb}.learning-preview-gate .btn{margin-top:6px;min-width:142px}
.learning-current-lesson{position:absolute;z-index:3;left:0;right:0;bottom:0;min-height:54px;padding:18px 20px 10px;box-sizing:border-box;background:linear-gradient(transparent,rgba(2,18,31,.9));color:#fff;display:flex;align-items:flex-end;justify-content:space-between;gap:20px;pointer-events:none}
.learning-current-lesson strong{font-size:16px;line-height:1.45}
.learning-current-lesson span{font-size:13px;color:#d2dae5;white-space:nowrap}
.learning-course-side{min-width:0;display:grid;grid-template-rows:minmax(0,1fr) 76px;gap:12px}
.learning-course-info-card{min-height:0;padding:18px 20px;display:flex;flex-direction:column;gap:13px;overflow:hidden}
.learning-info-block{min-width:0}
.learning-info-label{display:block;margin-bottom:5px;font-size:13px;color:var(--t-sub)}
.learning-info-block h1{margin:0;color:var(--t-title);font-size:18px;line-height:1.55;font-weight:700;display:-webkit-box;-webkit-box-orient:vertical;-webkit-line-clamp:2;overflow:hidden}
.learning-intro-block p{margin:0;color:var(--t-body);font-size:14px;line-height:1.75;display:-webkit-box;-webkit-box-orient:vertical;-webkit-line-clamp:3;overflow:hidden}
.learning-teacher-row{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:12px 0;border-top:1px dashed var(--bd-light);border-bottom:1px dashed var(--bd-light)}
.learning-teacher-row .learning-info-label{margin:0;white-space:nowrap}
.learning-teacher-row strong{min-width:0;color:var(--t-title);font-size:14px;text-align:right;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.learning-identity-notice{margin-top:auto;padding:12px 14px;border-radius:8px;background:#fff7dc;color:#705a13;font-size:12px;line-height:1.65}
.learning-identity-notice b,.learning-identity-notice span{display:block}
.learning-identity-notice b{margin-bottom:3px}
.learning-purchase-card{padding:14px 20px;display:flex;align-items:center;justify-content:space-between;gap:16px}
.learning-purchase-card.is-price-hidden{justify-content:flex-end}
.learning-purchase-card>div{display:flex;align-items:baseline;gap:12px;min-width:0}
.learning-purchase-card span{font-size:13px;color:var(--t-sub);white-space:nowrap}
.learning-purchase-card strong{font-size:22px;color:var(--error);white-space:nowrap}
.learning-purchase-card strong.is-free{color:var(--navy-600)}
.learning-purchase-card .btn{height:42px;min-width:106px;padding:0 18px;white-space:nowrap}
.learning-guard-bar{display:none;align-items:center;gap:10px;margin-top:10px;padding:10px 14px;border:1px solid #e8d99a;border-radius:8px;background:#fff7dc;color:#705a13;font-size:13px}
.learning-detail-card{min-height:210px;margin-top:16px;padding:0 24px 26px;box-sizing:border-box}
.learning-detail-tabs{gap:40px;margin:0;border-bottom:1px solid var(--bd-light);overflow-x:auto;overflow-y:hidden}
.learning-detail-tabs .tab{flex:0 0 auto;padding:18px 2px 14px;white-space:nowrap}
.learning-detail-panel{padding:20px 0 0;color:var(--t-body);font-size:15px;line-height:1.9}
.learning-detail-panel[hidden]{display:none!important}
.learning-empty-panel{padding:38px 20px;text-align:center;color:var(--t-sub);border:1px dashed var(--bd-light);border-radius:8px;background:var(--bg-head)}
.learning-lesson-list{max-height:440px;overflow:auto}
.learning-chapter-group{overflow:hidden;border:1px solid var(--bd-light);border-radius:10px;background:#fff;margin-bottom:14px}
.learning-chapter-group:last-child{margin-bottom:0}
.learning-chapter-heading{width:100%;min-height:52px;display:flex;align-items:center;justify-content:space-between;gap:18px;padding:0 16px;background:var(--blue-050);border:0;border-bottom:1px solid var(--bd-light);font:inherit;text-align:left;cursor:pointer}
.learning-chapter-heading:hover{background:#dceaf4}
.learning-chapter-heading:focus-visible{outline:2px solid var(--navy-500);outline-offset:-2px}
.learning-chapter-heading>div{min-width:0;display:flex;align-items:center;gap:12px}
.learning-chapter-heading span{flex:0 0 auto;padding:2px 9px;border-radius:999px;background:var(--navy-600);color:#fff;font-size:12px;font-weight:700;line-height:22px}
.learning-chapter-heading strong{min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:var(--t-title);font-size:16px}
.learning-chapter-heading em{flex:0 0 auto;color:var(--t-sub);font-size:13px;font-style:normal;display:flex;align-items:center;gap:8px}
.learning-chapter-heading em b{font-size:18px;line-height:1;transition:transform .18s ease}
.learning-chapter-group.is-collapsed .learning-chapter-heading{border-bottom-color:transparent}
.learning-chapter-group.is-collapsed .learning-chapter-heading em b{transform:rotate(-90deg)}
.learning-section-list{padding:4px 12px 8px}
.learning-section-row{width:100%;min-height:48px;border:0;border-bottom:1px solid var(--bd-light);display:flex;align-items:center;gap:10px;padding:8px 6px;background:transparent;cursor:pointer;text-align:left;color:var(--t-title)}
.learning-section-row:last-child{border-bottom:0}
.learning-section-row:hover,.learning-section-row.is-active{background:#f3f8fc}
.learning-section-row.is-readonly{cursor:default}
.learning-section-row.is-readonly:hover{background:transparent}
.learning-section-state{width:22px;height:22px;border-radius:50%;flex:0 0 auto;display:flex;align-items:center;justify-content:center;background:var(--bg-grey);color:var(--t-disabled);font-size:12px;font-weight:700}
.learning-section-row.is-active .learning-section-state{background:var(--navy-600);color:#fff}
.learning-section-row.is-done .learning-section-state{background:var(--success);color:#fff}
.learning-section-order{flex:0 0 48px;color:var(--t-sub);font-size:13px}
.learning-section-title{min-width:0;flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:15px}
.learning-section-row.is-active .learning-section-title{color:var(--navy-600);font-weight:700}
.learning-section-row time{flex:0 0 auto;color:var(--t-sub);font-size:13px}

@media(max-width:980px){
  .settings-grid{grid-template-columns:1fr}
  .cart-layout{grid-template-columns:1fr}
  .cart-summary{position:static}
  .registration-publication-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .cert-verify-shell{grid-template-columns:1fr;max-width:680px}
  .cert-verify-guide,.cert-verify-result{min-height:0}
  .learning-top-grid{grid-template-columns:1fr}
  .learning-course-side{grid-template-rows:auto auto}
  .learning-course-info-card{overflow:visible}
}
@media(max-width:680px){
  .message-head{align-items:flex-start;gap:12px}
  .settings-profile,.settings-face{align-items:flex-start}
  .cart-list-card{padding:20px}
  .cart-course-row{grid-template-columns:88px minmax(0,1fr) max-content;column-gap:14px;row-gap:8px}
  .cart-course-cover{width:88px;height:58px;grid-row:1/3}
  .cart-course-info{grid-column:2/4}
  .cart-course-price{grid-column:2;grid-row:2;justify-self:start}
  .cart-course-remove{grid-column:3;grid-row:2}
  .cart-summary-line,.cart-summary-total{white-space:normal}
  .certificate-modal{padding:10px}
  .certificate-paper{padding:38px 24px}
  .registration-publication-grid{grid-template-columns:1fr}
  .cert-verify-hero{height:160px}
  .cert-verify-shell{padding-left:14px;padding-right:14px;gap:16px}
  .cert-verify-card{padding:24px 20px}
  .cert-verify-captcha{gap:8px}
  .cert-captcha-code{width:96px;flex-basis:96px}
  .cert-guide-steps{grid-template-columns:1fr}
  .learning-page-header{padding:10px 16px;align-items:flex-start;flex-wrap:wrap}
  .learning-page-header>div{min-width:0;flex-wrap:wrap;gap:8px!important}
  .learning-page-shell{max-width:calc(100% - 28px);padding-top:14px}
  .learning-video-placeholder{padding:22px 16px}
  .learning-video-placeholder h2{font-size:19px}
  .learning-course-info-card,.learning-purchase-card{padding-left:16px;padding-right:16px}
  .learning-purchase-card{height:auto;flex-wrap:wrap}
  .learning-purchase-card .btn{width:100%}
  .learning-detail-card{padding:0 16px 20px}
  .learning-detail-tabs{gap:28px}
  .learning-current-lesson{padding-left:14px;padding-right:14px}
  .learning-current-lesson span{display:none}
  .learning-chapter-heading{padding:8px 12px;align-items:flex-start}
  .learning-chapter-heading>div{align-items:flex-start;gap:8px}
  .learning-section-list{padding-left:8px;padding-right:8px}
  .learning-section-row{gap:8px}
  .learning-section-order{flex-basis:44px}
}
@media print{
  body{background:#fff}
  body>*:not(.mask){display:none!important}
  .mask{position:static;display:block;background:#fff;padding:0;overflow:visible}
  .certificate-modal{width:100%;max-width:none;max-height:none;overflow:visible;box-shadow:none;padding:0}
  .certificate-modal-close,.certificate-paper [data-print]{display:none!important}
  .certificate-paper{box-shadow:none;border-radius:0}
}