/* ============ 抽水蓄能项目技术体系 · 基础样式 ============ */
:root{
  --navy:#0a3320; --navy-2:#0f4d33; --navy-3:#15663f;
  --teal:#0d9488; --teal-2:#0f766e; --teal-3:#14b8a6;
  --accent:#2dd4bf; --gold:#c9992b;
  --ink:#12263f; --ink-2:#3d5570; --ink-3:#6b8199;
  --line:#dfe7ee; --line-2:#eef3f7;
  --bg:#f5f8fa; --bg-2:#eef4f8; --card:#ffffff;
  --ok:#15803d; --warn:#b45309; --danger:#be123c;
  --radius:14px; --radius-s:9px; --radius-l:20px;
  --shadow:0 1px 2px rgba(16,42,67,.04),0 6px 20px rgba(16,42,67,.07);
  --shadow-lg:0 8px 34px rgba(11,37,69,.14);
  --max:1240px;
  --font:"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  font-family:var(--font); color:var(--ink); background:var(--bg);
  font-size:15px; line-height:1.75; -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit}
.wrap{max-width:var(--max);margin:0 auto;padding:0 24px}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}

/* ---------- 顶部导航 ---------- */
.topbar{background:linear-gradient(90deg,#062015,#0a3d28);color:#bcdccd;font-size:12.5px}
.topbar .wrap{display:flex;justify-content:space-between;align-items:center;height:34px}
.topbar a{color:#8fd4b8}
.topbar a:hover{color:#fff}

.nav{position:sticky;top:0;z-index:60;background:rgba(255,255,255,.92);backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);box-shadow:0 1px 0 rgba(16,42,67,.03)}
.nav .wrap{display:flex;align-items:center;gap:28px;height:66px}
.brand{display:flex;align-items:center;gap:12px;flex-shrink:0}
.brand .mark{width:40px;height:40px;border-radius:11px;background:linear-gradient(140deg,var(--navy-3),var(--teal-2));
  display:grid;place-items:center;box-shadow:0 4px 12px rgba(13,148,136,.28)}
.brand .mark svg{width:23px;height:23px;fill:#fff}
.brand b{font-size:16px;letter-spacing:.4px;color:var(--navy);font-weight:700;display:block;line-height:1.2}
.brand span{font-size:9.5px;color:var(--ink-3);letter-spacing:1px;text-transform:uppercase;line-height:1.35;max-width:260px;white-space:normal;display:block}
.menu{display:flex;gap:4px;margin-left:auto}
.menu a{padding:9px 15px;border-radius:9px;font-size:14.5px;color:var(--ink-2);font-weight:500;transition:.18s;white-space:nowrap}
.menu a:hover{background:var(--bg-2);color:var(--navy)}
.menu a.on{color:#fff;background:linear-gradient(120deg,var(--navy-3),var(--teal))}
.nav-act{display:flex;align-items:center;gap:10px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:7px;padding:9px 17px;border-radius:9px;
  border:1px solid transparent;background:var(--bg-2);color:var(--ink-2);cursor:pointer;font-size:14px;
  font-weight:500;transition:.18s;white-space:nowrap}
.btn:hover{background:#e3ecf3}
.btn-p{background:linear-gradient(120deg,var(--navy-3),var(--teal));color:#fff;box-shadow:0 3px 12px rgba(13,148,136,.3)}
.btn-p:hover{filter:brightness(1.08);background:linear-gradient(120deg,var(--navy-3),var(--teal))}
.btn-o{background:#fff;border-color:var(--line);color:var(--ink-2)}
.btn-o:hover{border-color:var(--teal);color:var(--teal)}
.btn-d{background:#fef2f4;color:var(--danger)}
.btn-d:hover{background:#fde3e8}
.btn-s{padding:6px 12px;font-size:13px;border-radius:8px}
.btn svg{width:16px;height:16px;fill:currentColor}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;background:linear-gradient(140deg,#062015 0%,#0a3d28 42%,#0d6040 78%,#0d9488 100%);color:#fff}
.hero::after{content:"";position:absolute;inset:0;background:
  radial-gradient(900px 420px at 82% 8%,rgba(45,212,191,.28),transparent 62%),
  radial-gradient(700px 400px at 8% 92%,rgba(15,77,51,.6),transparent 60%)}
.hero .wave{position:absolute;left:0;right:0;bottom:-2px;width:100%;height:110px;z-index:2}
.hero .wrap{position:relative;z-index:3;padding-top:76px;padding-bottom:120px}
.hero .eyebrow{display:inline-flex;align-items:center;gap:9px;padding:6px 15px;border-radius:99px;
  background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.2);font-size:13px;letter-spacing:1.5px;color:#bfe6d8}
.hero h1{font-size:46px;line-height:1.22;margin:22px 0 0;font-weight:800;letter-spacing:1px;text-shadow:0 2px 20px rgba(0,0,0,.18)}
.hero h1 em{font-style:normal;background:linear-gradient(100deg,#7fe3d0,#c8f0e8);-webkit-background-clip:text;
  background-clip:text;color:transparent}
.hero .sub{margin:16px 0 0;font-size:17px;color:#cfe3da;max-width:760px;line-height:1.85}
.hero .note{margin:14px 0 0;font-size:14px;color:#9fc9b8;max-width:820px;line-height:1.9}

.hsearch{margin-top:34px;max-width:640px;display:flex;background:rgba(255,255,255,.97);border-radius:12px;
  padding:6px;box-shadow:0 14px 40px rgba(0,0,0,.24)}
.hsearch input{flex:1;border:0;outline:0;background:transparent;padding:12px 16px;font-size:15px;color:var(--ink)}
.hsearch input::placeholder{color:#9bb0c4}
.hsearch button{border:0;border-radius:9px;padding:0 26px;background:linear-gradient(120deg,var(--navy-3),var(--teal));
  color:#fff;font-size:15px;font-weight:600;cursor:pointer;display:flex;align-items:center;gap:7px}
.hsearch button:hover{filter:brightness(1.1)}
.hot-kw{margin-top:14px;font-size:13.5px;color:#a9d9c9;display:flex;gap:8px;flex-wrap:wrap;align-items:center}
.hot-kw a{padding:3px 11px;border-radius:99px;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.14)}
.hot-kw a:hover{background:rgba(255,255,255,.2);color:#fff}

.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;margin-top:52px;
  background:rgba(255,255,255,.14);border-radius:14px;overflow:hidden;border:1px solid rgba(255,255,255,.16)}
.stats div{background:rgba(6,32,21,.34);padding:22px 20px;text-align:center;backdrop-filter:blur(4px)}
.stats b{display:block;font-size:34px;font-weight:800;letter-spacing:.5px;
  background:linear-gradient(100deg,#fff,#a5e6d2);-webkit-background-clip:text;background-clip:text;color:transparent}
.stats b i{font-style:normal;font-size:15px;margin-left:3px;-webkit-text-fill-color:#9fd7c6}
.stats span{font-size:13.5px;color:#a9d9c9;letter-spacing:1px}

/* ---------- 通用区块 ---------- */
.sec{padding:72px 0}
.sec.alt{background:linear-gradient(180deg,#fff,#f2f7f6)}
.sec-h{text-align:center;margin-bottom:44px}
.sec-h .tag{font-size:12.5px;letter-spacing:3.5px;color:var(--teal);text-transform:uppercase;font-weight:700}
.sec-h h2{font-size:30px;margin:11px 0 0;color:var(--navy);font-weight:750;letter-spacing:.6px}
.sec-h p{margin:12px auto 0;color:var(--ink-3);max-width:680px;font-size:15px}
.sec-h.left{text-align:left}
.sec-h.left p{margin-left:0}

/* ---------- 分类卡片 ---------- */
.modgrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(340px,1fr));gap:20px}
.modcard{position:relative;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:22px 22px 20px;overflow:hidden;transition:.24s;border-top:3px solid var(--c,var(--teal))}
.modcard:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.mod-head{display:flex;align-items:center;gap:13px}
.mod-ic{width:44px;height:44px;border-radius:12px;display:grid;place-items:center;flex-shrink:0;
  background:color-mix(in srgb,var(--c,#0d9488) 14%,#fff)}
.mod-ic svg{width:23px;height:23px;fill:var(--c,#0d9488)}
.mod-t{flex:1;min-width:0}
.mod-t b{font-size:17px;color:var(--navy);font-weight:700;display:block;line-height:1.25}
.mod-t code{font-size:11px;font-weight:700;letter-spacing:1px;color:var(--c,#0d9488);
  background:color-mix(in srgb,var(--c,#0d9488) 12%,#fff);padding:2px 7px;border-radius:5px;font-family:var(--font)}
.mod-go{font-size:13px;color:var(--ink-3);display:flex;align-items:center;gap:5px;white-space:nowrap}
.mod-go svg{width:15px;height:15px;fill:currentColor}
.mod-desc{margin:13px 0 14px;font-size:13.5px;color:var(--ink-3);line-height:1.8}
.mod-chips{display:flex;flex-wrap:wrap;gap:8px}
.chip-s{font-size:12.5px;padding:5px 11px;border-radius:99px;background:color-mix(in srgb,var(--c,#0d9488) 8%,#fff);
  color:var(--c,#0d9488);border:1px solid color-mix(in srgb,var(--c,#0d9488) 18%,#fff);transition:.16s}
.chip-s:hover{background:var(--c,#0d9488);color:#fff}
.muted{color:var(--ink-3);font-size:13.5px}
.cat-tag{font-size:11.5px;font-weight:600;padding:2px 8px;border-radius:99px;margin-left:8px;
  color:var(--c,#0d9488);background:color-mix(in srgb,var(--c,#0d9488) 10%,#fff);vertical-align:1px}
.home-2col{display:grid;grid-template-columns:1fr 1fr;gap:34px}
.col-h{font-size:17px;color:var(--navy);font-weight:700;margin:0 0 16px;display:flex;align-items:baseline;gap:10px}
.col-h span{font-size:12px;color:var(--ink-3);font-weight:500;letter-spacing:1px;text-transform:uppercase}
.notice{display:flex;gap:14px;align-items:flex-start;background:linear-gradient(120deg,#eaf6f4,#f3f9f8);
  border:1px solid #d3e7e2;border-radius:var(--radius);padding:20px 22px}
.notice .nb{width:26px;height:26px;fill:var(--teal);flex-shrink:0;margin-top:2px}
.notice b{color:var(--navy)}
.notice p{margin:6px 0 0;font-size:14px;color:var(--ink-2);line-height:1.8}

/* ---------- 列表 ---------- */
.tlist{display:grid;gap:12px}
.trow{display:flex;gap:16px;align-items:flex-start;background:var(--card);border:1px solid var(--line);
  border-radius:var(--radius-s);padding:18px 20px;transition:.2s}
.trow:hover{border-color:var(--teal);box-shadow:var(--shadow);transform:translateX(3px)}
.trow .no{flex-shrink:0;font-size:12px;font-weight:700;letter-spacing:.6px;padding:4px 9px;border-radius:6px;
  background:var(--bg-2);color:var(--teal)}
.trow .bd{flex:1;min-width:0}
.trow h4{margin:0;font-size:16px;color:var(--navy);font-weight:650}
.trow p{margin:7px 0 0;font-size:13.5px;color:var(--ink-3);line-height:1.75;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.trow .meta{margin-top:9px;display:flex;gap:8px;flex-wrap:wrap;align-items:center;font-size:12px;color:var(--ink-3)}
.tag-s{padding:2px 9px;border-radius:99px;background:var(--bg-2);color:var(--ink-2);font-size:12px}

/* ---------- 页脚 ---------- */
footer{background:linear-gradient(160deg,#062015,#0a2d1d);color:#8dbca6;padding:52px 0 26px;margin-top:0}
footer .cols{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:44px;padding-bottom:30px;
  border-bottom:1px solid rgba(255,255,255,.09)}
footer h5{color:#fff;font-size:15px;margin:0 0 14px;font-weight:650}
footer p{margin:0;font-size:13.5px;line-height:1.95}
footer ul{list-style:none;margin:0;padding:0;font-size:13.5px}
footer li{margin-bottom:9px}
footer a:hover{color:#fff}
footer .cp{padding-top:20px;font-size:12.5px;color:#6d9a86;display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:16px}
footer .cp>span:last-child{text-align:right}
footer .icp-link{color:#8dbca6;text-align:center;white-space:nowrap}
footer .icp-link:hover{color:#fff;text-decoration:underline}
footer .icp-link:focus-visible{outline:2px solid #fff;outline-offset:4px;border-radius:2px}

/* ============ 技术体系页 ============ */
.subhero{background:linear-gradient(140deg,#062015,#0d3d2a);color:#fff;padding:50px 0 56px}
.subhero h1{font-size:33px;margin:0;font-weight:800;letter-spacing:1px}
.subhero p{margin:12px 0 20px;color:#bcdccd;max-width:720px}
.subhero .hsearch{max-width:620px}

/* ★ 核心：二级页面布局（左侧折叠菜单 + 右侧内容） */
.tech-layout{display:grid;grid-template-columns:280px 1fr;gap:0;max-width:var(--max);margin:0 auto;padding:0 24px}

/* 左侧折叠菜单 */
.tech-sidebar{position:sticky;top:84px;align-self:start;max-height:calc(100vh - 100px);overflow-y:auto;
  background:var(--card);border:1px solid var(--line);border-radius:0 var(--radius) var(--radius) 0;
  padding:16px 0;margin-right:-1px;z-index:10}
.tech-sidebar .sb-title{font-size:14px;font-weight:700;color:var(--navy);padding:0 18px 12px;
  border-bottom:1px solid var(--line-2);margin-bottom:8px;display:flex;align-items:center;gap:8px}
.tech-sidebar .sb-title svg{width:18px;height:18px;fill:var(--teal)}

.sb-cat{border-bottom:1px solid var(--line-2)}
.sb-cat-h{display:flex;align-items:center;gap:9px;padding:10px 18px;cursor:pointer;font-size:14px;
  color:var(--ink-2);font-weight:600;transition:.15s;user-select:none}
.sb-cat-h:hover{background:var(--bg-2);color:var(--navy)}
.sb-cat-h .sb-ic{width:28px;height:28px;border-radius:7px;display:grid;place-items:center;flex-shrink:0;
  background:color-mix(in srgb,var(--c,#0d9488) 12%,#fff)}
.sb-cat-h .sb-ic svg{width:16px;height:16px;fill:var(--c,#0d9488)}
.sb-cat-h .sb-name{flex:1;min-width:0}
.sb-cat-h .sb-code{font-size:11px;font-weight:700;color:var(--c,#0d9488);background:color-mix(in srgb,var(--c,#0d9488) 10%,#fff);
  padding:1px 6px;border-radius:4px}
.sb-cat-h .sb-arrow{width:16px;height:16px;transition:.25s;fill:var(--ink-3);flex-shrink:0}
.sb-cat.open .sb-arrow{transform:rotate(90deg)}

.sb-items{display:none;flex-direction:column;gap:1px;padding:4px 0 8px;background:var(--bg-2)}
.sb-cat.open .sb-items{display:flex}
.sb-item{display:flex;align-items:center;gap:8px;padding:7px 18px 7px 52px;font-size:13.5px;color:var(--ink-2);
  transition:.15s;border-left:3px solid transparent}
.sb-item:hover{background:color-mix(in srgb,var(--c,#0d9488) 8%,#fff);color:var(--c,#0d9488);border-left-color:var(--c,#0d9488)}
.sb-item.on{background:color-mix(in srgb,var(--c,#0d9488) 12%,#fff);color:var(--c,#0d9488);font-weight:600;border-left-color:var(--c,#0d9488)}
.sb-item .si-dot{width:5px;height:5px;border-radius:50%;background:var(--c,#0d9488);opacity:.5;flex-shrink:0}
.sb-item:hover .si-dot,.sb-item.on .si-dot{opacity:1}

/* 右侧内容区 */
.tech-main{padding:28px 0 60px 28px;min-width:0}
.tech-main .toolbar{display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;margin-bottom:18px}
.chips{display:flex;flex-wrap:wrap;gap:9px}
.chip{font-size:13.5px;padding:7px 14px;border-radius:99px;background:#fff;border:1px solid var(--line);color:var(--ink-2);transition:.16s}
.chip:hover{border-color:var(--teal);color:var(--teal)}
.chip.on{background:linear-gradient(120deg,var(--navy-3),var(--teal));color:#fff;border-color:transparent}
.viewtoggle{display:flex;gap:6px}
.vt{width:42px;height:36px;display:grid;place-items:center;border-radius:9px;background:#fff;border:1px solid var(--line);color:var(--ink-2);font-size:14px;font-weight:600;cursor:pointer}
.vt.on{background:linear-gradient(120deg,var(--navy-3),var(--teal));color:#fff;border-color:transparent}
.empty{text-align:center;color:var(--ink-3);padding:50px 0}
.more-wrap{text-align:center;margin-top:24px}
.mapview{display:grid;grid-template-columns:repeat(auto-fill,minmax(360px,1fr));gap:20px}
.map-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:20px 22px;border-top:3px solid var(--c,#0d9488)}
.mc-head{display:flex;align-items:flex-start;gap:12px}
.mc-ic{width:40px;height:40px;border-radius:11px;display:grid;place-items:center;flex-shrink:0;background:color-mix(in srgb,var(--c,#0d9488) 14%,#fff)}
.mc-ic svg{width:21px;height:21px;fill:var(--c,#0d9488)}
.mc-head h4{margin:0;font-size:16.5px;color:var(--navy);font-weight:700}
.mc-head h4 code{font-size:11px;font-weight:700;color:var(--c,#0d9488);margin-left:6px}
.mc-head p{margin:6px 0 0;font-size:12.5px;color:var(--ink-3);line-height:1.7}
.mc-count{margin-left:auto;font-size:13px;font-weight:700;color:var(--c,#0d9488);background:color-mix(in srgb,var(--c,#0d9488) 10%,#fff);padding:3px 10px;border-radius:99px;white-space:nowrap}
.mc-items{margin-top:14px;display:flex;flex-direction:column;gap:7px}
.mc-items a{display:flex;gap:10px;align-items:center;font-size:14px;color:var(--ink-2);padding:8px 11px;border-radius:9px;background:var(--bg-2);transition:.16s}
.mc-items a:hover{background:color-mix(in srgb,var(--c,#0d9488) 9%,#fff);color:var(--c,#0d9488)}
.mc-no{font-size:11px;font-weight:700;color:var(--c,#0d9488);background:#fff;padding:2px 7px;border-radius:5px}
.mc-empty{font-size:13px;color:var(--ink-3)}

/* ============ 条目详情 ============ */
.article{max-width:900px;margin:0 auto;padding:34px 0 60px}
.crumb{font-size:13px;color:var(--ink-3);margin-bottom:16px}
.crumb a{color:var(--ink-3)}
.crumb a:hover{color:var(--teal)}
.doc-head{border-bottom:1px solid var(--line);padding-bottom:20px;margin-bottom:24px}
.doc-head .code{font-size:12px;font-weight:700;letter-spacing:1px;color:var(--teal);background:var(--bg-2);padding:3px 9px;border-radius:5px}
.doc-head h1{font-size:29px;margin:12px 0 0;color:var(--navy);font-weight:800;line-height:1.3}
.doc-meta{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px;align-items:center}
.doc-grid{display:grid;grid-template-columns:1fr 286px;gap:36px;align-items:start}
.doc-body{font-size:15.5px;line-height:1.95;color:var(--ink)}
.doc-body h2{font-size:21px;color:var(--navy);margin:30px 0 12px;padding-left:12px;border-left:4px solid var(--teal)}
.doc-body h3{font-size:17px;color:var(--navy-3);margin:22px 0 10px}
.doc-body p{margin:0 0 14px}
.doc-body ul{margin:0 0 14px;padding-left:22px}
.doc-body li{margin:5px 0}
.doc-body blockquote{margin:14px 0;padding:12px 16px;background:var(--bg-2);border-left:3px solid var(--teal);color:var(--ink-2);border-radius:0 8px 8px 0}
.doc-body code{background:var(--bg-2);padding:1px 6px;border-radius:5px;font-size:13.5px;color:var(--navy-3)}
.doc-body a{color:var(--teal);text-decoration:underline}
.doc-body .tbl-wrap{overflow-x:auto;margin:0 0 16px}
.doc-body table{border-collapse:collapse;width:100%;font-size:14px}
.doc-body th,.doc-body td{border:1px solid var(--line);padding:9px 12px;text-align:left}
.doc-body th{background:var(--bg-2);color:var(--navy)}
/* ★ 图片样式增强 */
.doc-body img{width:100%;border-radius:var(--radius-s);margin:16px 0;border:1px solid var(--line);box-shadow:var(--shadow)}
.aside{position:sticky;top:84px;display:flex;flex-direction:column;gap:16px}
.box{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:18px}
.box h5{margin:0 0 12px;font-size:14px;color:var(--navy);display:flex;align-items:center;gap:7px}
.box h5 svg{width:17px;height:17px;fill:var(--teal)}
.box .kv{display:flex;justify-content:space-between;gap:10px;font-size:13.5px;padding:7px 0;border-bottom:1px dashed var(--line-2)}
.box .kv:last-child{border-bottom:0}
.box .kv span:first-child{color:var(--ink-3)}
.box .kv span:last-child{color:var(--ink-2);text-align:right}
.files a{display:flex;align-items:center;gap:9px;font-size:13.5px;color:var(--ink-2);padding:8px 0;border-bottom:1px dashed var(--line-2)}
.files a:last-child{border-bottom:0}
.files svg{width:17px;height:17px;fill:var(--teal);flex-shrink:0}
.rel a{display:block;font-size:14px;color:var(--ink-2);padding:8px 0;border-bottom:1px dashed var(--line-2)}
.rel a:last-child{border-bottom:0}
.rel a:hover{color:var(--teal)}

/* ============ 登录页 ============ */
.login{display:grid;place-items:center;min-height:100vh;padding:40px 20px;
  background:linear-gradient(140deg,#062015 0%,#0a3d28 45%,#0d6040 80%,#0d9488 100%);position:relative;overflow:hidden}
.login::after{content:"";position:absolute;inset:0;background:
  radial-gradient(700px 360px at 80% 10%,rgba(45,212,191,.25),transparent 60%),
  radial-gradient(600px 360px at 10% 90%,rgba(15,77,51,.5),transparent 60%)}
.login-card{position:relative;z-index:2;width:100%;max-width:400px;background:#fff;border-radius:18px;padding:36px 34px;box-shadow:0 20px 60px rgba(0,0,0,.3)}
.login-card .lc-brand{display:flex;align-items:center;gap:11px;margin-bottom:4px}
.login-card .lc-brand .mark{width:38px;height:38px;border-radius:10px;background:linear-gradient(140deg,var(--navy-3),var(--teal));display:grid;place-items:center}
.login-card .lc-brand .mark svg{width:21px;height:21px;fill:#fff}
.login-card .lc-brand b{font-size:16px;color:var(--navy)}
.login-card h1{font-size:22px;color:var(--navy);margin:16px 0 4px;font-weight:800}
.login-card .sub{font-size:13.5px;color:var(--ink-3);margin:0 0 22px}
.field{margin-bottom:15px}
.field label{display:block;font-size:13px;color:var(--ink-2);margin-bottom:7px;font-weight:500}
.field input[type=text],.field input[type=password]{width:100%;padding:11px 13px;border:1px solid var(--line);border-radius:9px;font-size:14.5px;outline:0;transition:.16s;background:var(--bg)}
.field input:focus{border-color:var(--teal);box-shadow:0 0 0 3px rgba(13,148,136,.12)}
.login-row{display:flex;justify-content:space-between;align-items:center;font-size:13px;margin:2px 0 18px;color:var(--ink-3)}
.login-row label{display:flex;align-items:center;gap:6px;cursor:pointer}
.login-card .btn-p{width:100%;padding:12px;font-size:15px;justify-content:center}
.login-alt{margin-top:18px;padding-top:16px;border-top:1px solid var(--line);display:flex;gap:10px;justify-content:center;flex-wrap:wrap}
.login-alt .la{font-size:12.5px;color:var(--ink-3);border:1px solid var(--line);padding:6px 12px;border-radius:8px}
.login-err{color:var(--danger);font-size:13px;background:#fef2f4;padding:9px 12px;border-radius:8px;margin-bottom:14px;display:none}
.login-ok{color:var(--ok);font-size:13px;background:#ecfdf3;padding:9px 12px;border-radius:8px;margin-bottom:14px;display:none}

/* ============ 后台管理 ============ */
.admin{display:grid;grid-template-columns:232px 1fr;min-height:100vh;background:var(--bg)}
.side{background:linear-gradient(180deg,#062015,#0a2d1d);color:#bcdec8;padding:20px 14px;display:flex;flex-direction:column;gap:4px;position:sticky;top:0;height:100vh;overflow:auto}
.side .s-brand{display:flex;align-items:center;gap:10px;padding:6px 8px 14px;border-bottom:1px solid rgba(255,255,255,.08);margin-bottom:8px}
.side .s-brand .mark{width:34px;height:34px;border-radius:9px;background:linear-gradient(140deg,var(--navy-3),var(--teal));display:grid;place-items:center}
.side .s-brand .mark svg{width:19px;height:19px;fill:#fff}
.side .s-brand b{font-size:13.5px;color:#fff;line-height:1.25;display:block}
.side .s-brand span{font-size:10px;color:#8fd4b8;letter-spacing:1px}
.side a{display:flex;align-items:center;gap:10px;padding:10px 12px;border-radius:9px;color:#aecbba;font-size:14px;transition:.15s}
.side a svg{width:18px;height:18px;fill:currentColor}
.side a:hover{background:rgba(255,255,255,.07);color:#fff}
.side a.on{background:linear-gradient(120deg,var(--navy-3),var(--teal));color:#fff}
.side .s-foot{margin-top:auto;padding-top:12px;border-top:1px solid rgba(255,255,255,.08);font-size:12px;color:#7fa38d;display:flex;flex-direction:column;gap:4px}
.side .s-foot a{color:#9fc4af;padding:5px 8px;font-size:12.5px}
.main{padding:24px 30px;overflow:auto}
.main .m-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px;flex-wrap:wrap;gap:12px}
.main .m-head h1{font-size:22px;color:var(--navy);margin:0;font-weight:800}
.main .m-head .who{font-size:13px;color:var(--ink-3)}
.cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:16px;margin-bottom:22px}
.stat{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:18px 20px}
.stat b{display:block;font-size:27px;color:var(--navy);font-weight:800}
.stat span{font-size:13px;color:var(--ink-3)}
.panel{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:22px;margin-bottom:22px}
.panel h3{margin:0 0 16px;font-size:16px;color:var(--navy);display:flex;align-items:center;gap:8px}
.panel h3 svg{width:18px;height:18px;fill:var(--teal)}
.toolbar2{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-bottom:14px;flex-wrap:wrap}
.toolbar2 .right{display:flex;gap:8px;align-items:center}
input.in,select.in,textarea.in{width:100%;padding:10px 12px;border:1px solid var(--line);border-radius:9px;font-size:14px;outline:0;background:var(--bg);font-family:inherit;color:var(--ink)}
input.in:focus,textarea.in:focus,select.in:focus{border-color:var(--teal);box-shadow:0 0 0 3px rgba(13,148,136,.1)}
table.grid{width:100%;border-collapse:collapse;font-size:13.5px}
table.grid th{text-align:left;color:var(--ink-3);font-weight:600;padding:10px 12px;border-bottom:2px solid var(--line);font-size:12.5px}
table.grid td{padding:11px 12px;border-bottom:1px solid var(--line-2);color:var(--ink-2);vertical-align:middle}
table.grid tr:hover{background:var(--bg-2)}
.row-act{display:flex;gap:6px}
.mini{padding:5px 10px;font-size:12.5px;border-radius:7px;border:1px solid var(--line);background:#fff;color:var(--ink-2);cursor:pointer;display:inline-flex;align-items:center;gap:5px}
.mini svg{width:14px;height:14px;fill:currentColor}
.mini.d{color:var(--danger);border-color:#f3c9d3}
.mini.d:hover{background:#fef2f4}
.mini.p{background:linear-gradient(120deg,var(--navy-3),var(--teal));color:#fff;border-color:transparent}
.form2{display:grid;gap:16px;max-width:780px}
.form2 .fg{display:flex;flex-direction:column;gap:7px}
.form2 label{font-size:13px;color:var(--ink-2);font-weight:500}
.form2 .hint{font-size:12px;color:var(--ink-3)}
.modal-mask{position:fixed;inset:0;background:rgba(6,32,21,.5);display:none;place-items:center;z-index:200;padding:20px}
.modal-mask.on{display:grid}
.modal{background:#fff;border-radius:14px;width:100%;max-width:580px;max-height:88vh;overflow:auto;padding:24px 26px;box-shadow:var(--shadow-lg)}
.modal h3{margin:0 0 18px;font-size:18px;color:var(--navy)}
.toast{position:fixed;left:50%;bottom:30px;transform:translateX(-50%);background:var(--navy);color:#fff;padding:11px 20px;border-radius:10px;font-size:14px;box-shadow:var(--shadow-lg);opacity:0;pointer-events:none;transition:.25s;z-index:300}
.toast.on{opacity:1;bottom:40px}

/* ---------- 响应式 ---------- */
@media (max-width:960px){
  .hero h1{font-size:34px}
  .stats{grid-template-columns:repeat(2,1fr)}
  footer .cols{grid-template-columns:1fr;gap:26px}
  footer .cp{grid-template-columns:1fr;justify-items:center;gap:6px;text-align:center}
  footer .cp>span:last-child{text-align:center}
  .menu{display:none}
  .tech-layout{grid-template-columns:1fr;padding:0 16px}
  .tech-sidebar{position:static;max-height:none;border-radius:var(--radius);margin-right:0;margin-bottom:16px}
  .tech-main{padding:16px 0 40px 0}
}
@media (max-width:640px){
  .wrap{padding:0 16px}
  .hero .wrap{padding-top:48px;padding-bottom:86px}
  .hero h1{font-size:27px}
  .sec{padding:48px 0}
  .sec-h h2{font-size:23px}
  .home-2col{grid-template-columns:1fr;gap:28px}
  .doc-grid{grid-template-columns:1fr}
  .aside{position:static}
  .admin{grid-template-columns:1fr}
  .side{position:static;height:auto;flex-direction:row;flex-wrap:wrap;align-items:center}
  .side .s-foot{display:none}
  .modgrid{grid-template-columns:1fr}
}

/* ============ 首页：左侧内容 + 右侧登录卡片 ============ */
.home-split{
  display:grid;
  grid-template-columns:1fr 360px;
  gap:28px;
  max-width:var(--max);
  margin:0 auto;
  padding:32px 24px 44px;
  background:linear-gradient(180deg,#f0fbff 0%,#e6f8ff 40%,#f0f9ff 100%);
  min-height:calc(100vh - 100px)
}
.home-left{min-width:0}
.home-title{
  font-size:34px;
  font-weight:800;
  color:#0891b2;
  margin:0 0 28px;
  letter-spacing:.8px;
  line-height:1.25
}

/* 技术模块卡片（与技术门类对应） */
.home-cards{
  display:grid;
  grid-template-columns:repeat(auto-fill,minmax(240px,1fr));
  gap:18px;
  margin-bottom:22px
}
.home-card{
  display:flex;
  align-items:flex-start;
  gap:14px;
  background:#fff;
  border:1px solid #e0f2fe;
  border-radius:16px;
  padding:20px 18px;
  box-shadow:0 4px 16px rgba(8,145,178,.08);
  transition:.22s;
  min-height:124px
}
.home-card:hover{
  transform:translateY(-4px);
  box-shadow:0 12px 28px rgba(8,145,178,.14);
  border-color:#bae6fd
}
.hc-icon{
  width:46px;
  height:46px;
  border-radius:12px;
  display:grid;
  place-items:center;
  flex-shrink:0
}
.hc-icon svg{width:24px;height:24px;fill:currentColor}
.hc-body{flex:1;min-width:0}
.hc-body b{font-size:16.5px;color:#0f172a;font-weight:700;display:block;line-height:1.3;margin-bottom:8px}
.hc-body p{margin:0;font-size:13px;color:#475569;line-height:1.75;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}

/* 底部横幅 */
.home-banners{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:18px
}
.banner{
  display:flex;
  align-items:center;
  gap:14px;
  border-radius:14px;
  padding:18px 20px;
  color:#fff;
  transition:.2s;
  box-shadow:0 6px 18px rgba(0,0,0,.1)
}
.banner:hover{filter:brightness(1.05);transform:translateY(-2px)}
.b-case{background:linear-gradient(120deg,#0e7490,#06b6d4)}
.b-award{background:linear-gradient(120deg,#0284c7,#38bdf8)}
.ban-icon{width:42px;height:42px;border-radius:50%;background:rgba(255,255,255,.22);display:grid;place-items:center;flex-shrink:0}
.ban-icon svg{width:22px;height:22px;fill:#fff}
.ban-body{flex:1;min-width:0}
.ban-body b{font-size:16px;display:block;margin-bottom:4px}
.ban-body span{font-size:12.5px;opacity:.92;line-height:1.6;display:block}
.ban-arrow{margin-left:auto;width:28px;height:28px;border-radius:50%;background:rgba(255,255,255,.2);display:grid;place-items:center}
.ban-arrow svg{width:18px;height:18px;stroke:#fff;fill:none;stroke-width:2.5;stroke-linecap:round;stroke-linejoin:round}

/* 右侧登录卡片 */
.home-login{position:sticky;top:84px;align-self:start}
.login-side-card{
  background:#fff;
  border-radius:18px;
  padding:28px 26px 22px;
  box-shadow:0 10px 34px rgba(8,145,178,.12);
  border:1px solid #e0f2fe
}
.ls-avatar{
  width:64px;height:64px;border-radius:50%;
  background:linear-gradient(140deg,#e0f2fe,#cffafe);
  display:grid;place-items:center;margin:0 auto 14px;
  border:2px solid #e0f2fe
}
.ls-avatar svg{width:32px;height:32px;fill:#0891b2}
.login-side-card h3{
  text-align:center;font-size:18px;color:#0f172a;margin:0 0 4px;font-weight:700
}
.ls-sub{
  text-align:center;font-size:13px;color:#64748b;margin:0 0 22px
}

/* 表单增强 */
.input-icon{
  display:flex;align-items:center;gap:10px;
  background:#f8fafc;border:1px solid #e2e8f0;border-radius:10px;
  padding:0 14px;transition:.16s
}
.input-icon:focus-within{border-color:#38bdf8;box-shadow:0 0 0 3px rgba(56,189,248,.12);background:#fff}
.input-icon svg{width:18px;height:18px;fill:#94a3b8;flex-shrink:0}
.input-icon input{
  flex:1;border:0;outline:0;background:transparent;padding:11px 0;font-size:14px;color:#334155
}
.input-icon input::placeholder{color:#94a3b8}
.login-side-card .field{margin-bottom:14px}
.login-side-card .field label{font-size:13px;color:#475569;margin-bottom:6px;display:block;font-weight:500}
.login-side-card .login-row{font-size:13px;color:#64748b;display:flex;justify-content:space-between;align-items:center;margin:2px 0 18px}
.login-side-card .login-row label{display:flex;align-items:center;gap:6px;cursor:pointer}
.login-side-card .login-row input[type=checkbox]{accent-color:#0ea5e9;width:14px;height:14px}
.login-side-card .login-row a{color:#0ea5e9;text-decoration:none}
.login-side-card .login-row a:hover{text-decoration:underline}
.login-side-card .btn-p{width:100%;padding:11px;font-size:15px;justify-content:center;border-radius:10px}

/* 其他登录方式 */
.login-alt{margin-top:20px;padding-top:16px;border-top:1px solid #e2e8f0}
.alt-title{text-align:center;font-size:12px;color:#94a3b8;margin-bottom:14px}
.alt-icons{display:flex;justify-content:space-around;align-items:center}
.alt-item{display:flex;flex-direction:column;align-items:center;gap:6px;font-size:12px;color:#64748b;cursor:pointer;transition:.16s;padding:6px 4px;border-radius:8px}
.alt-item:hover{background:#f0f9ff;color:#0891b2}
.alt-item svg{width:24px;height:24px;fill:#64748b;transition:.16s}
.alt-item:hover svg{fill:#0891b2}

/* 登录错误/成功提示 */
.login-err{display:none;color:#be123c;font-size:13px;background:#fef2f4;padding:9px 12px;border-radius:8px;margin-bottom:12px}
.login-ok{display:none;color:#15803d;font-size:13px;background:#ecfdf3;padding:9px 12px;border-radius:8px;margin-bottom:12px}

/* 响应式 */
@media (max-width:1040px){
  .home-split{grid-template-columns:1fr}
  .home-login{position:static;max-width:420px;margin:0 auto;width:100%}
  .home-cards{grid-template-columns:repeat(auto-fill,minmax(220px,1fr))}
}
@media (max-width:720px){
  .home-cards{grid-template-columns:1fr}
  .home-banners{grid-template-columns:1fr}
  .home-title{font-size:26px}
}