/* ============================================================
   电力调度培训管理平台 - 前台样式
   ============================================================ */
:root{
  --navy:#0b2e5c;
  --navy-2:#123f78;
  --blue:#1a5fa8;
  --blue-light:#e8f0fa;
  --gold:#b8935a;
  --gold-light:#f5efe4;
  --ink:#1f2937;
  --ink-2:#4b5563;
  --muted:#6b7280;
  --line:#e5e7eb;
  --line-2:#eef1f5;
  --bg:#f4f6f9;
  --white:#fff;
  --green:#12805c;
  --green-bg:#e6f4ef;
  --orange:#b45309;
  --orange-bg:#fdf3e3;
  --red:#b91c1c;
  --red-bg:#fdecec;
  --gray-bg:#f1f3f6;
  --radius:6px;
  --shadow:0 1px 3px rgba(11,46,92,.08);
  --shadow-md:0 4px 16px rgba(11,46,92,.10);
}

*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;background:var(--bg);color:var(--ink);
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans CJK SC",sans-serif;
  font-size:15px;line-height:1.7;
}
a{color:var(--blue);text-decoration:none}
a:hover{color:var(--navy)}
img{max-width:100%;vertical-align:middle}
h1,h2,h3,h4{margin:0;font-weight:600;line-height:1.4;color:var(--navy)}
ul,ol{margin:0;padding:0}
p{margin:0 0 .8em}

.wrap{max-width:1200px;margin:0 auto;padding:0 20px}
.clearfix::after{content:'';display:block;clear:both}

/* ---------------- 顶栏 ---------------- */
.topbar{background:var(--navy);color:rgba(255,255,255,.72);font-size:13px;line-height:36px}
.topbar .wrap{display:flex;justify-content:space-between;align-items:center;gap:16px}
.topbar a{color:rgba(255,255,255,.82)}
.topbar a:hover{color:#fff}
.topbar .sep{color:rgba(255,255,255,.28);margin:0 8px}
.topbar-left{display:flex;align-items:center;gap:8px;min-width:0}
.topbar-left span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* ---------------- 页头 ---------------- */
.header{background:var(--white);border-bottom:1px solid var(--line)}
.header .wrap{display:flex;align-items:center;justify-content:space-between;gap:24px;height:88px}
.logo{display:flex;align-items:center;gap:14px;min-width:0}
.logo-mark{
  width:46px;height:46px;flex:0 0 46px;border-radius:8px;
  background:linear-gradient(135deg,var(--navy) 0%,var(--blue) 100%);
  display:flex;align-items:center;justify-content:center;
}
.logo-mark svg{width:26px;height:26px;fill:#fff}
.logo-text h1{font-size:21px;letter-spacing:.5px;white-space:nowrap}
.logo-text p{margin:2px 0 0;font-size:12px;color:var(--muted);letter-spacing:1.5px;text-transform:uppercase}

.nav{display:flex;gap:2px;flex-wrap:wrap}
.nav a{
  display:block;padding:8px 18px;font-size:15.5px;color:var(--ink-2);
  border-radius:var(--radius);transition:.15s;white-space:nowrap;
}
.nav a:hover{background:var(--blue-light);color:var(--navy)}
.nav a.on{background:var(--navy);color:#fff;font-weight:500}

.nav-toggle{display:none;background:none;border:1px solid var(--line);border-radius:var(--radius);padding:7px 10px;cursor:pointer}
.nav-toggle span{display:block;width:20px;height:2px;background:var(--navy);margin:4px 0;border-radius:2px}

/* ---------------- 通用区块 ---------------- */
.section{padding:44px 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;margin-bottom:24px;gap:16px;flex-wrap:wrap}
.section-title{position:relative;padding-left:14px;font-size:21px}
.section-title::before{
  content:'';position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:4px;height:20px;background:linear-gradient(180deg,var(--blue),var(--navy));border-radius:2px;
}
.section-title small{display:block;font-size:11.5px;color:var(--muted);font-weight:400;letter-spacing:1.5px;text-transform:uppercase;margin-top:1px}
.more{font-size:13.5px;color:var(--muted)}
.more:hover{color:var(--blue)}

.card{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}
.card-pad{padding:22px}

/* ---------------- 按钮 ---------------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:6px;
  padding:9px 20px;border-radius:var(--radius);border:1px solid transparent;
  font-size:14.5px;font-family:inherit;cursor:pointer;transition:.15s;white-space:nowrap;
  background:var(--navy);color:#fff;
}
.btn:hover{background:var(--navy-2);color:#fff}
.btn:active{transform:translateY(1px)}
.btn-lg{padding:12px 30px;font-size:16px}
.btn-sm{padding:5px 13px;font-size:13px}
.btn-ghost{background:transparent;border-color:var(--line);color:var(--ink-2)}
.btn-ghost:hover{background:var(--gray-bg);border-color:#d1d8e0;color:var(--navy)}
.btn-gold{background:var(--gold)}
.btn-gold:hover{background:#a37f47}
.btn-danger{background:var(--red)}
.btn-danger:hover{background:#991b1b}
.btn-white{background:#fff;color:var(--navy);border-color:#fff}
.btn-white:hover{background:#f0f4f9;color:var(--navy)}
.btn[disabled],.btn.disabled{opacity:.5;cursor:not-allowed;pointer-events:none}

/* ---------------- 标签 ---------------- */
.tag{display:inline-block;padding:2px 9px;border-radius:3px;font-size:12.5px;line-height:1.6;font-weight:500}
.tag.green{background:var(--green-bg);color:var(--green)}
.tag.orange{background:var(--orange-bg);color:var(--orange)}
.tag.red{background:var(--red-bg);color:var(--red)}
.tag.blue{background:var(--blue-light);color:var(--blue)}
.tag.gray{background:var(--gray-bg);color:var(--muted)}
.tag.gold{background:var(--gold-light);color:var(--gold)}

/* ---------------- 首页 Banner ---------------- */
.hero{
  position:relative;overflow:hidden;color:#fff;
  background:linear-gradient(120deg,#08284f 0%,#0b2e5c 45%,#164b8c 100%);
}
.hero::before{
  content:'';position:absolute;inset:0;opacity:.16;
  background-image:
    linear-gradient(rgba(255,255,255,.5) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.5) 1px,transparent 1px);
  background-size:52px 52px;
  mask-image:radial-gradient(ellipse 90% 70% at 78% 45%,#000 10%,transparent 72%);
  -webkit-mask-image:radial-gradient(ellipse 90% 70% at 78% 45%,#000 10%,transparent 72%);
}
.hero::after{
  content:'';position:absolute;right:-90px;top:-90px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(80,150,230,.28),transparent 68%);
}
.hero-inner{position:relative;z-index:2;padding:62px 0 56px}
.hero-badge{
  display:inline-flex;align-items:center;gap:7px;padding:5px 14px;border-radius:20px;
  background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.2);
  font-size:13px;letter-spacing:.5px;margin-bottom:18px;
}
.hero-badge i{width:6px;height:6px;border-radius:50%;background:#5fd39a;display:block}
.hero h2{font-size:38px;color:#fff;letter-spacing:1.5px;line-height:1.35;margin-bottom:14px}
.hero p{font-size:16px;color:rgba(255,255,255,.8);max-width:640px;margin-bottom:26px;line-height:1.8}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap}

.hero-stats{
  position:relative;z-index:2;display:grid;grid-template-columns:repeat(4,1fr);
  border-top:1px solid rgba(255,255,255,.14);
}
.hero-stat{padding:22px 0 26px;text-align:center;border-right:1px solid rgba(255,255,255,.1)}
.hero-stat:last-child{border-right:none}
.hero-stat b{display:block;font-size:31px;font-weight:600;letter-spacing:1px;line-height:1.2}
.hero-stat span{font-size:13px;color:rgba(255,255,255,.62)}

/* ---------------- 首页布局 ---------------- */
.home-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:26px}

.notice-list li{list-style:none;border-bottom:1px dashed var(--line);padding:13px 0}
.notice-list li:last-child{border-bottom:none;padding-bottom:0}
.notice-list li:first-child{padding-top:0}
.notice-item{display:flex;gap:14px;align-items:flex-start}
.notice-date{
  flex:0 0 62px;text-align:center;background:var(--gray-bg);border-radius:4px;padding:5px 0;
  border:1px solid var(--line-2);
}
.notice-date b{display:block;font-size:19px;color:var(--navy);line-height:1.2;font-weight:600}
.notice-date span{font-size:11px;color:var(--muted)}
.notice-body{min-width:0;flex:1}
.notice-body a{display:block;font-size:15.5px;color:var(--ink);font-weight:500;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.notice-body a:hover{color:var(--blue)}
.notice-body p{margin:3px 0 0;font-size:13.5px;color:var(--muted);overflow:hidden;text-overflow:ellipsis;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;line-height:1.6}

/* 快捷入口 */
.quick-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.quick{
  display:flex;flex-direction:column;gap:8px;padding:18px 16px;border-radius:var(--radius);
  border:1px solid var(--line);background:var(--white);transition:.18s;
}
.quick:hover{border-color:var(--blue);box-shadow:var(--shadow-md);transform:translateY(-2px)}
.quick i{
  width:38px;height:38px;border-radius:8px;background:var(--blue-light);
  display:flex;align-items:center;justify-content:center;
}
.quick i svg{width:20px;height:20px;fill:var(--blue)}
.quick b{font-size:15px;color:var(--navy);font-weight:600}
.quick span{font-size:12.5px;color:var(--muted);line-height:1.5}

/* ---------------- 批次卡片 ---------------- */
.batch-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(330px,1fr));gap:20px}
.batch-card{
  background:var(--white);border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;transition:.18s;display:flex;flex-direction:column;
}
.batch-card:hover{box-shadow:var(--shadow-md);border-color:#cbd8e8;transform:translateY(-2px)}
.batch-card-top{padding:18px 20px 0;display:flex;justify-content:space-between;align-items:center;gap:10px}
.batch-code{font-size:12px;color:var(--muted);letter-spacing:1px;font-family:ui-monospace,Menlo,Consolas,monospace}
.batch-card-body{padding:10px 20px 18px;flex:1}
.batch-card-body h3{font-size:16.5px;line-height:1.5;margin-bottom:8px}
.batch-card-body h3 a{color:var(--navy)}
.batch-card-body h3 a:hover{color:var(--blue)}
.batch-card-body .sum{font-size:13.5px;color:var(--muted);line-height:1.65;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;margin-bottom:14px}
.batch-meta{list-style:none;font-size:13.5px;color:var(--ink-2)}
.batch-meta li{display:flex;gap:8px;padding:3px 0}
.batch-meta li b{color:var(--muted);font-weight:400;flex:0 0 58px}
.batch-card-foot{
  padding:12px 20px;border-top:1px solid var(--line-2);background:#fafbfc;
  display:flex;align-items:center;justify-content:space-between;gap:12px;
}
.progress{flex:1;min-width:0}
.progress-bar{height:5px;background:var(--line);border-radius:3px;overflow:hidden}
.progress-bar i{display:block;height:100%;background:linear-gradient(90deg,var(--blue),var(--navy));border-radius:3px}
.progress span{display:block;font-size:12px;color:var(--muted);margin-top:5px}

/* ---------------- 列表页 ---------------- */
.page-banner{
  background:linear-gradient(120deg,#0b2e5c,#174d8f);color:#fff;padding:34px 0 32px;position:relative;overflow:hidden;
}
.page-banner::before{
  content:'';position:absolute;inset:0;opacity:.14;
  background-image:linear-gradient(rgba(255,255,255,.5) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.5) 1px,transparent 1px);
  background-size:44px 44px;
  mask-image:radial-gradient(ellipse 70% 100% at 85% 50%,#000,transparent 70%);
  -webkit-mask-image:radial-gradient(ellipse 70% 100% at 85% 50%,#000,transparent 70%);
}
.page-banner .wrap{position:relative;z-index:2}
.page-banner h2{color:#fff;font-size:26px;letter-spacing:1px}
.crumb{font-size:13px;color:rgba(255,255,255,.65);margin-top:7px}
.crumb a{color:rgba(255,255,255,.85)}
.crumb span{margin:0 7px;color:rgba(255,255,255,.4)}

.filter-bar{
  display:flex;gap:10px;flex-wrap:wrap;align-items:center;
  background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:14px 18px;margin-bottom:20px;
}
.filter-tabs{display:flex;gap:4px;flex-wrap:wrap}
.filter-tabs a{padding:6px 15px;border-radius:4px;font-size:14px;color:var(--ink-2)}
.filter-tabs a:hover{background:var(--gray-bg)}
.filter-tabs a.on{background:var(--navy);color:#fff}
.filter-search{margin-left:auto;display:flex;gap:8px}

.art-list{list-style:none}
.art-list li{border-bottom:1px solid var(--line-2);padding:18px 0}
.art-list li:last-child{border-bottom:none}
.art-item{display:flex;gap:18px;align-items:flex-start}
.art-item .d{flex:0 0 76px;text-align:center;padding:8px 0;background:var(--gray-bg);border-radius:4px;border:1px solid var(--line-2)}
.art-item .d b{display:block;font-size:22px;color:var(--navy);line-height:1.1}
.art-item .d span{font-size:11.5px;color:var(--muted)}
.art-item .c{flex:1;min-width:0}
.art-item .c h3{font-size:17px;margin-bottom:6px;font-weight:500}
.art-item .c h3 a{color:var(--ink)}
.art-item .c h3 a:hover{color:var(--blue)}
.art-item .c p{font-size:14px;color:var(--muted);margin:0 0 8px;line-height:1.7;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.art-item .c .m{font-size:12.5px;color:#9ca3af;display:flex;gap:16px;flex-wrap:wrap}

/* ---------------- 文章详情 ---------------- */
.detail-grid{display:grid;grid-template-columns:minmax(0,1fr) 290px;gap:26px;align-items:start}
.article-head{border-bottom:1px solid var(--line);padding-bottom:18px;margin-bottom:24px}
.article-head h1{font-size:26px;line-height:1.5;margin-bottom:12px}
.article-meta{font-size:13px;color:var(--muted);display:flex;gap:18px;flex-wrap:wrap}
.article-body{font-size:15.5px;line-height:1.95;color:#374151}
.article-body h3{font-size:17.5px;margin:26px 0 12px;padding-left:11px;border-left:3px solid var(--blue)}
.article-body h4{font-size:16px;margin:20px 0 10px}
.article-body p{margin:0 0 1.1em}
.article-body ul,.article-body ol{margin:0 0 1.1em;padding-left:24px}
.article-body li{margin-bottom:.4em;list-style:disc}
.article-body ol li{list-style:decimal}
.article-body img{border-radius:4px;margin:10px 0}
.article-body table{width:100%;border-collapse:collapse;margin:14px 0;font-size:14.5px}
.article-body td,.article-body th{border:1px solid var(--line);padding:9px 12px}
.article-body th{background:var(--gray-bg);font-weight:600}
.article-body blockquote{margin:14px 0;padding:12px 18px;background:var(--blue-light);border-left:3px solid var(--blue);color:var(--ink-2)}

.article-nav{margin-top:30px;padding-top:20px;border-top:1px solid var(--line);font-size:14px;display:flex;flex-direction:column;gap:8px}
.article-nav a{color:var(--ink-2)}
.article-nav a:hover{color:var(--blue)}
.article-nav b{color:var(--muted);font-weight:400}

.side-box{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);margin-bottom:18px}
.side-box h4{padding:14px 18px;border-bottom:1px solid var(--line-2);font-size:15.5px}
.side-box .side-body{padding:14px 18px}
.side-list{list-style:none}
.side-list li{padding:9px 0;border-bottom:1px dashed var(--line-2);font-size:14px}
.side-list li:last-child{border-bottom:none}
.side-list a{color:var(--ink-2);display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.side-list a:hover{color:var(--blue)}
.side-list .t{font-size:12px;color:#9ca3af;display:block;margin-top:2px}

/* ---------------- 表单 ---------------- */
.form-box{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:30px 34px}
.form-row{display:grid;grid-template-columns:repeat(2,1fr);gap:16px 22px}
.form-item{margin-bottom:17px}
.form-item.full{grid-column:1/-1}
.form-item label{display:block;font-size:14px;color:var(--ink-2);margin-bottom:6px;font-weight:500}
.form-item label .req{color:var(--red);margin-left:2px}
.form-item .hint{font-size:12.5px;color:var(--muted);margin-top:5px;line-height:1.6}
.input,.select,.textarea{
  width:100%;padding:9px 12px;border:1px solid #d7dde5;border-radius:var(--radius);
  font-size:14.5px;font-family:inherit;color:var(--ink);background:#fff;transition:.15s;
}
.input:focus,.select:focus,.textarea:focus{outline:none;border-color:var(--blue);box-shadow:0 0 0 3px rgba(26,95,168,.1)}
.input:disabled,.input[readonly]{background:var(--gray-bg);color:var(--muted)}
.textarea{resize:vertical;min-height:88px;line-height:1.7}
.select{appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 12'%3E%3Cpath fill='%236b7280' d='M6 8.5L2 4.5h8z'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:right 11px center;background-size:11px;padding-right:30px}
.check{display:inline-flex;align-items:flex-start;gap:8px;font-size:14px;color:var(--ink-2);cursor:pointer;line-height:1.6}
.check input{margin-top:3px;flex:0 0 auto;accent-color:var(--navy)}

.alert{padding:12px 16px;border-radius:var(--radius);font-size:14px;margin-bottom:18px;line-height:1.7;border:1px solid transparent}
.alert-error{background:var(--red-bg);color:var(--red);border-color:#f6c9c9}
.alert-success{background:var(--green-bg);color:var(--green);border-color:#b9e2d3}
.alert-info{background:var(--blue-light);color:var(--blue);border-color:#c7dcf2}
.alert-warn{background:var(--orange-bg);color:var(--orange);border-color:#f3ddb5}

/* ---------------- 表格 ---------------- */
.table{width:100%;border-collapse:collapse;font-size:14px;background:#fff}
.table th{background:#f7f9fc;padding:11px 14px;text-align:left;font-weight:600;color:var(--ink-2);border-bottom:1px solid var(--line);white-space:nowrap}
.table td{padding:12px 14px;border-bottom:1px solid var(--line-2);color:var(--ink)}
.table tbody tr:hover{background:#fafcff}
.table tbody tr:last-child td{border-bottom:none}
.table .num{font-family:ui-monospace,Menlo,Consolas,monospace;font-size:13.5px}
.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius);background:#fff}

/* ---------------- 分页 ---------------- */
.pager{display:flex;gap:6px;justify-content:center;align-items:center;margin-top:28px;flex-wrap:wrap}
.pager a,.pager span{
  min-width:34px;height:34px;padding:0 11px;display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--line);border-radius:4px;font-size:14px;color:var(--ink-2);background:#fff;
}
.pager a:hover{border-color:var(--blue);color:var(--blue)}
.pager .on{background:var(--navy);border-color:var(--navy);color:#fff}
.pager .dis{color:#c3c9d1;background:#f8f9fb}

/* ---------------- 空状态 ---------------- */
.empty{text-align:center;padding:56px 20px;color:var(--muted)}
.empty svg{width:52px;height:52px;fill:#d5dae1;margin-bottom:12px}
.empty p{font-size:14.5px;margin:0}

/* ---------------- 学员中心 ---------------- */
.me-grid{display:grid;grid-template-columns:250px minmax(0,1fr);gap:24px;align-items:start}
.me-side{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.me-user{padding:22px 20px;text-align:center;background:linear-gradient(135deg,var(--navy),var(--blue));color:#fff}
.me-avatar{width:56px;height:56px;border-radius:50%;background:rgba(255,255,255,.18);margin:0 auto 10px;
  display:flex;align-items:center;justify-content:center;font-size:22px;font-weight:600;border:2px solid rgba(255,255,255,.3)}
.me-user b{display:block;font-size:17px}
.me-user span{font-size:12.5px;color:rgba(255,255,255,.7)}
.me-menu{list-style:none;padding:8px 0}
.me-menu a{display:flex;align-items:center;gap:10px;padding:11px 20px;font-size:14.5px;color:var(--ink-2);border-left:3px solid transparent}
.me-menu a:hover{background:var(--gray-bg)}
.me-menu a.on{background:var(--blue-light);color:var(--navy);border-left-color:var(--navy);font-weight:500}

.stat-row{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-bottom:22px}
.stat-box{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:18px 20px}
.stat-box b{display:block;font-size:27px;color:var(--navy);line-height:1.2;font-weight:600}
.stat-box span{font-size:13px;color:var(--muted)}

.rec-list{list-style:none}
.rec{border:1px solid var(--line);border-radius:var(--radius);padding:16px 18px;margin-bottom:12px;background:#fff;transition:.15s}
.rec:hover{border-color:#cbd8e8;box-shadow:var(--shadow)}
.rec-head{display:flex;justify-content:space-between;align-items:flex-start;gap:12px;margin-bottom:10px}
.rec-head h4{font-size:15.5px;line-height:1.5}
.rec-meta{display:flex;gap:18px;flex-wrap:wrap;font-size:13.5px;color:var(--muted)}
.rec-foot{margin-top:12px;padding-top:12px;border-top:1px dashed var(--line-2);display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap}

/* ---------------- 证书验真 ---------------- */
.verify-page{padding:36px 0 60px}
.cert-panel{max-width:820px;margin:0 auto}
.cert-status{
  display:flex;align-items:center;gap:16px;padding:22px 26px;border-radius:var(--radius) var(--radius) 0 0;
  background:linear-gradient(120deg,#0d5c3f,#12805c);color:#fff;
}
.cert-status.bad{background:linear-gradient(120deg,#8f1d1d,#b91c1c)}
.cert-status.warn{background:linear-gradient(120deg,#8a5a10,#b45309)}
.cert-status-icon{width:52px;height:52px;flex:0 0 52px;border-radius:50%;background:rgba(255,255,255,.18);
  display:flex;align-items:center;justify-content:center;border:2px solid rgba(255,255,255,.35)}
.cert-status-icon svg{width:28px;height:28px;fill:#fff}
.cert-status h2{color:#fff;font-size:21px;letter-spacing:1px}
.cert-status p{margin:3px 0 0;font-size:13.5px;color:rgba(255,255,255,.82)}

.cert-body{background:#fff;border:1px solid var(--line);border-top:none;border-radius:0 0 var(--radius) var(--radius);padding:0}
.cert-info{display:grid;grid-template-columns:minmax(0,1fr) 200px;gap:0}
.cert-fields{padding:26px 28px}
.cert-field{display:flex;gap:14px;padding:11px 0;border-bottom:1px dashed var(--line-2);font-size:15px}
.cert-field:last-child{border-bottom:none}
.cert-field b{flex:0 0 88px;color:var(--muted);font-weight:400}
.cert-field span{color:var(--ink);flex:1;min-width:0;word-break:break-all}
.cert-field .big{font-size:19px;font-weight:600;color:var(--navy)}
.cert-field .mono{font-family:ui-monospace,Menlo,Consolas,monospace;letter-spacing:.5px}
.cert-qr{padding:26px 24px;border-left:1px solid var(--line-2);text-align:center;background:#fafbfc}
.cert-qr img{width:148px;height:148px;border:1px solid var(--line);border-radius:4px;padding:6px;background:#fff}
.cert-qr p{font-size:12px;color:var(--muted);margin:10px 0 0;line-height:1.6}
.cert-actions{padding:18px 28px;border-top:1px solid var(--line-2);display:flex;gap:10px;flex-wrap:wrap;background:#fafbfc;
  border-radius:0 0 var(--radius) var(--radius)}
.cert-tip{margin-top:18px;font-size:13px;color:var(--muted);line-height:1.8;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius);padding:16px 20px}
.cert-tip b{color:var(--ink-2)}

/* ---------------- 页脚 ---------------- */
.footer{background:var(--navy);color:rgba(255,255,255,.62);margin-top:50px;font-size:13.5px}
.footer-top{padding:38px 0 30px;border-bottom:1px solid rgba(255,255,255,.1)}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:32px}
.footer h4{color:#fff;font-size:15px;margin-bottom:14px;font-weight:500}
.footer p{color:rgba(255,255,255,.55);line-height:1.85;margin:0 0 6px}
.footer ul{list-style:none}
.footer li{margin-bottom:8px}
.footer a{color:rgba(255,255,255,.62)}
.footer a:hover{color:#fff}
.footer-logo{display:flex;align-items:center;gap:12px;margin-bottom:14px}
.footer-logo .logo-mark{background:rgba(255,255,255,.12);width:40px;height:40px;flex:0 0 40px}
.footer-logo .logo-mark svg{width:22px;height:22px}
.footer-logo b{color:#fff;font-size:17px}
.footer-bottom{padding:16px 0;text-align:center;font-size:13px;color:rgba(255,255,255,.42)}
.footer-bottom a{color:rgba(255,255,255,.55)}

/* ---------------- 响应式 ---------------- */
@media (max-width:1000px){
  .home-grid,.detail-grid,.me-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:24px}
  .cert-info{grid-template-columns:1fr}
  .cert-qr{border-left:none;border-top:1px solid var(--line-2)}
  .stat-row{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:760px){
  body{font-size:14.5px}
  .header .wrap{height:auto;padding-top:14px;padding-bottom:14px;flex-wrap:wrap}
  .nav{display:none;width:100%;flex-direction:column;padding-top:10px;border-top:1px solid var(--line);margin-top:12px}
  .nav.show{display:flex}
  .nav-toggle{display:block}
  .logo-text h1{font-size:18px}
  .hero-inner{padding:40px 0 36px}
  .hero h2{font-size:26px}
  .hero p{font-size:14.5px}
  .hero-stats{grid-template-columns:repeat(2,1fr)}
  .hero-stat{border-bottom:1px solid rgba(255,255,255,.1)}
  .hero-stat:nth-child(2){border-right:none}
  .form-row{grid-template-columns:1fr}
  .form-box{padding:22px 18px}
  .section{padding:30px 0}
  .filter-search{margin-left:0;width:100%}
  .filter-search .input{flex:1}
  .art-item{gap:12px}
  .art-item .d{flex:0 0 60px}
  .footer-grid{grid-template-columns:1fr}
  .cert-field b{flex:0 0 74px}
  .topbar-left .hide-sm{display:none}
}