/* ============================================================
   魔方财务系统 · 官网主题样式 (全新视觉设计, 无emoji, SVG图标)
   ============================================================ */
:root{
  --brand:#2ea0ff; --brand2:#1b8ae8; --brand-grad:linear-gradient(135deg,#2ea0ff,#1b8ae8);
  --ink:#0f172a; --ink-2:#334155; --ink-3:#64748b; --line:#e2e8f0; --bg:#f8fafc; --white:#fff;
  --ok:#059669; --warn:#d97706; --bad:#dc2626; --radius:14px; --shadow:0 10px 30px rgba(15,23,42,.08);
}
*{margin:0;padding:0;box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;color:var(--ink);background:var(--bg);line-height:1.6;font-size:15px}
img{max-width:100%}
a{color:inherit;text-decoration:none}
ul{list-style:none}
button{font-family:inherit;cursor:pointer}
.container{max-width:1200px;margin:0 auto;padding:0 20px}
.section{padding:56px 0}
.section-head{text-align:center;margin-bottom:40px}
.section-head h2{font-size:28px;font-weight:700;letter-spacing:-.3px}
.section-head p{color:var(--ink-3);margin-top:8px;font-size:15px}

/* ---------- 顶部导航 ---------- */
.nav{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.9);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.nav-inner{display:flex;align-items:center;height:66px}
.brand{display:flex;align-items:center;gap:10px;font-size:19px;font-weight:700}
.brand .logo{width:34px;height:34px;border-radius:9px;background:var(--brand-grad);display:flex;align-items:center;justify-content:center;color:#fff;flex:none}
.brand .logo svg{width:20px;height:20px}
.brand b{letter-spacing:.2px}
.brand small{display:block;font-size:11px;font-weight:500;color:var(--ink-3);letter-spacing:2px}
.nav-menu{display:flex;gap:4px;margin-left:34px;align-items:center}
.nav-menu a{padding:8px 13px;border-radius:8px;color:var(--ink-2);font-size:15px;transition:.2s;text-decoration:none}
.nav-menu a:hover,.nav-menu a.active{color:var(--brand);background:rgba(46,160,255,.08)}
.nav-drop{position:relative;display:flex;align-items:center}
.nav-drop>a{display:inline-flex;align-items:center;gap:3px;text-decoration:none}
.dd-caret{flex:none;opacity:.55}
.nav-drop-menu{position:absolute;top:calc(100% + 6px);left:0;min-width:170px;background:#fff;border:1px solid var(--line);border-radius:12px;box-shadow:0 14px 40px rgba(15,23,42,.12);padding:6px;display:none;z-index:120}
.nav-drop-menu a{display:block;padding:9px 12px;border-radius:8px;color:var(--ink-2);font-size:14px;white-space:nowrap}
.nav-drop-menu a:hover{color:var(--brand);background:rgba(46,160,255,.08)}
.nav-drop:hover .nav-drop-menu{display:block}
/* 一级含二级: 不可跳转, 仅点击展开 */
.nav-drop-toggle{cursor:pointer!important}
.nav-drop.open .nav-drop-menu{display:block}
/* hover 桥接: 一级->二级移动不断开 */
.nav-drop::after{content:"";position:absolute;left:0;right:0;top:100%;height:8px}
.nav-right{margin-left:auto;display:flex;align-items:center;gap:10px}
.btn{padding:9px 20px;border-radius:10px;font-size:14px;font-weight:600;border:none;display:inline-flex;align-items:center;gap:7px;transition:.2s}
.btn-primary{background:var(--brand-grad);color:#fff}
.btn-primary:hover{opacity:.9;box-shadow:0 8px 20px rgba(46,160,255,.3)}
.btn-ghost{background:#fff;color:var(--ink-2);border:1px solid var(--line)}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand)}
.btn-danger{background:#fef2f2;color:var(--bad);border:1px solid #fecaca}
.btn-success{background:#ecfdf5;color:var(--ok);border:1px solid #a7f3d0}
.link-user{display:flex;align-items:center;gap:8px;color:var(--ink-2)}
.avatar{width:32px;height:32px;border-radius:50%;background:var(--brand-grad);color:#fff;display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:600;overflow:hidden}
.avatar img{width:100%;height:100%;object-fit:cover}

/* ---------- Hero ---------- */
.hero{background:linear-gradient(160deg,#eef2ff 0%,#f8fafc 45%,#fff 100%);padding:70px 0 56px;border-bottom:1px solid var(--line)}
.hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:44px;align-items:center}
.hero h1{font-size:40px;line-height:1.25;font-weight:800;letter-spacing:-1px}
.hero h1 em{font-style:normal;background:linear-gradient(90deg,var(--brand),var(--brand2));-webkit-background-clip:text;background-clip:text;color:transparent}
.hero p.lead{color:var(--ink-3);margin:16px 0 26px;font-size:16px;max-width:520px}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap}
.hero-actions .btn{padding:12px 26px;font-size:15px}
.trust-row{display:flex;gap:22px;margin-top:30px;color:var(--ink-3);font-size:13px;flex-wrap:wrap}
.trust-row span{display:flex;align-items:center;gap:6px}
.trust-row svg{width:16px;height:16px;color:var(--ok)}
.hero-visual{position:relative}
.hero-card{background:#fff;border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow);padding:22px;position:relative;z-index:2}
.hero-card .bar{height:8px;border-radius:6px;margin-bottom:14px;background:linear-gradient(90deg,var(--brand) 0 40%,#e2e8f0 40%)}
.hero-dash{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:14px}
.metric{background:#f8fafc;border:1px solid var(--line);border-radius:12px;padding:12px 14px}
.metric b{display:block;font-size:20px}
.metric span{font-size:12px;color:var(--ink-3)}
.floater{position:absolute;right:-18px;top:-18px;background:var(--brand-grad);color:#fff;border-radius:14px;padding:12px 16px;font-size:13px;box-shadow:0 12px 30px rgba(46,160,255,.35);z-index:3}
.floater svg{width:18px;height:18px;vertical-align:-3px;margin-right:6px}

/* ---------- 特性图标块 ---------- */
.feat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.feat{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px;transition:.25s}
.feat:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.feat .ico{width:46px;height:46px;border-radius:12px;background:#eef2ff;color:var(--brand);display:flex;align-items:center;justify-content:center;margin-bottom:14px}
.feat .ico svg{width:24px;height:24px}
.feat h3{font-size:16px;margin-bottom:6px}
.feat p{color:var(--ink-3);font-size:13.5px}

/* ---------- 产品分区 ---------- */
.product-block{margin-bottom:44px}
.product-block .block-title{display:flex;align-items:center;gap:10px;font-size:20px;font-weight:700;margin-bottom:20px}
.product-block .block-title::before{content:"";width:4px;height:20px;border-radius:3px;background:var(--brand-grad)}
.product-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(258px,1fr));gap:22px}
.product-card{position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px;display:flex;flex-direction:column;transition:.25s}
.product-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.pc-top{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:14px}
.pc-name{font-size:17px;font-weight:700}
/* 库存徽标: 不限 / 库存 N 件 / 已售罄 */
.pc-stk{flex:none;display:inline-flex;align-items:center;gap:5px;margin:4px 0 0 8px;padding:3px 10px;font-size:11.5px;font-weight:600;line-height:1;white-space:nowrap;background:#e7f7f1;color:#0e9f6e}
.pc-stk::before{content:'';width:6px;height:6px;flex:none;background:currentColor}
.pc-stk.is-low{background:#fdf3e4;color:#d97706}
.pc-stk.is-out{background:#feeaea;color:#dc2626}
.pc-flag{flex:none;font-size:11px;font-weight:700;color:#fff;background:linear-gradient(135deg,#ff8a3c,#ff5a3c);padding:3px 9px;border-radius:999px;letter-spacing:.5px;line-height:1.4}
.pc-tag{font-size:11px;color:var(--brand);background:#eef2ff;padding:3px 9px;border-radius:20px}
.pc-desc{color:var(--ink-3);font-size:13.5px;flex:1;min-height:56px;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.pc-specs{list-style:none;margin:0 0 12px;flex:1;display:flex;flex-direction:column;gap:7px}
.pc-specs .spec-row{display:flex;align-items:flex-start;gap:8px;font-size:12.5px;color:var(--ink-3)}
.pc-specs .s-ic{width:20px;height:20px;border-radius:5px;display:flex;align-items:center;justify-content:center;flex:none;color:#fff}
.pc-specs .s-lb{color:var(--ink-3);min-width:52px;flex:none;white-space:nowrap}
.pc-specs .s-val{color:var(--ink-2);flex:1;min-width:0}
.s-ic-b{background:#5b8def}.s-ic-g{background:#34c07c}.s-ic-p{background:#8b7cf6}.s-ic-o{background:#f6a23a}.s-ic-r{background:#ef6a6a}
.pc-price{margin:16px 0 12px;display:flex;align-items:baseline;gap:6px;flex-wrap:wrap}
.pc-price b{font-size:22px;color:var(--brand)}
.pc-price span{color:var(--ink-3);font-size:12.5px}
.pc-price s.old{color:var(--ink-3);font-size:13px;text-decoration:line-through;text-decoration-color:#ef6a6a}
/* 库存 */
.pc-stock{margin-bottom:12px}
.stk{display:inline-flex;align-items:center;gap:6px;font-size:12px;padding:3px 11px;border-radius:12px;line-height:1}
.stk::before{content:'';width:6px;height:6px;border-radius:50%;background:currentColor;flex:none}
.stk-ok{color:#0e9f6e;background:#e7f7f1}
.stk-low{color:#d97706;background:#fdf3e4}
.stk-out{color:#dc2626;background:#feeaea}
/* 角标库存(纯数字) */
.pc-stock-badge{position:absolute;top:-6px;right:-6px;min-width:22px;height:22px;padding:0 6px;border-radius:999px;display:flex;align-items:center;justify-content:center;font-size:11px;font-weight:700;color:#fff;z-index:2;box-shadow:0 2px 5px rgba(0,0,0,.2);box-sizing:border-box}
.pc-stock-badge-ok{background:#0e9f6e}
.pc-stock-badge-low{background:#d97706}
.pc-stock-badge-out{background:#dc2626}
.pc-buy{display:block;width:100%;padding:10px;border-radius:10px;border:none;background:#0f172a;color:#fff;font-size:14px;font-weight:600;text-align:center;transition:.2s}
.pc-buy:hover{background:var(--brand)}
.pc-buy.soldout{background:#eef1f5;color:#a5b0c2;cursor:not-allowed}
.empty-tip{background:#fff;border:1px dashed var(--line);border-radius:var(--radius);padding:40px;text-align:center;color:var(--ink-3)}
.empty-tip svg{width:42px;height:42px;color:#cbd5e1;margin-bottom:10px}

/* ---------- 底部 ---------- */
.footer{background:#0f172a;color:#94a3b8;padding:44px 0 30px;margin-top:30px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:30px}
.footer h4{color:#fff;font-size:15px;margin-bottom:14px}
.footer .about .ft-logo{display:block;height:40px;width:auto;max-width:200px;object-fit:contain;margin-bottom:14px}
.footer a{display:block;padding:5px 0;font-size:13.5px}
.footer a:hover{color:#fff}
.footer .about p{font-size:13.5px;margin:12px 0;max-width:240px}
.copyright{border-top:1px solid #1e293b;margin-top:30px;padding-top:20px;font-size:12.5px;text-align:center}
/* ===== 首页/页脚增强 ===== */
.sec-kicker{display:inline-flex;align-items:center;gap:6px;padding:5px 14px;border-radius:999px;background:#eef6ff;color:var(--brand);font-size:12.5px;font-weight:700;letter-spacing:1px;margin-bottom:12px}
.sec-head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;text-align:left}
.sec-head-row > div{text-align:left}
.sec-head-row .btn{flex:none}
.feat{position:relative;overflow:hidden}
.feat .num{position:absolute;top:-8px;right:10px;font-style:normal;font-size:46px;font-weight:800;color:#edf2f8;line-height:1;letter-spacing:-1px;user-select:none;pointer-events:none;transition:.25s}
.feat:hover .num{color:#dbe8f7}
/* 公告栏 */
.an-head{display:flex;align-items:center;gap:8px;flex:none;color:var(--brand)}
.an-head svg{width:18px;height:18px}
.an-head b{font-size:14px;font-weight:700}
.an-list{flex:1;display:flex;gap:10px 24px;flex-wrap:wrap;min-width:0}
.an-item{display:inline-flex;align-items:center;gap:9px;font-size:13.5px;color:var(--ink-2);transition:.15s}
.an-item:hover{color:var(--brand)}
.an-item::before{content:"";width:5px;height:5px;border-radius:50%;background:var(--brand);flex:none}
.an-item time{color:var(--ink-3);font-size:12px}
/* 页脚 CTA (背景图用 webp: 289KB PNG → 11KB, 视觉无损) */
.footer-cta{background:url("../img/footer-cta.webp") center/100% 100% no-repeat;padding:40px 0}
.ft-cta-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap}
.ft-cta-inner h3{font-size:24px;font-weight:800;color:var(--ink)}
.ft-cta-inner p{color:var(--ink-2);margin-top:6px;font-size:14px}
.ft-cta-actions{display:flex;gap:12px;flex:none}
.ft-cta-actions .btn-primary{background:var(--brand-grad);color:#fff}
.ft-cta-actions .btn-primary:hover{box-shadow:0 8px 20px rgba(46,160,255,.32)}
.ft-cta-actions .btn-glass{background:rgba(255,255,255,.75);color:var(--brand2);border:1px solid rgba(46,160,255,.45)}
.ft-cta-actions .btn-glass:hover{background:#fff;border-color:var(--brand)}
.footer-cta + .footer{margin-top:0}
.footer .about .ft-site{display:inline-flex;align-items:center;gap:7px;color:#7dd3fc;font-size:13px}
.footer .about .ft-site:hover{color:#fff}
.footer .about .ft-site svg{width:15px;height:15px;flex:none}
@media(max-width:640px){
  .sec-head-row{flex-direction:column;align-items:flex-start}
  .ft-cta-inner{flex-direction:column;align-items:flex-start}
}

/* ---------- 通用页面(产品/详情/关于) ---------- */
.page-banner{background:linear-gradient(135deg,#1e3a8a,#1b8ae8);color:#fff;padding:56px 0}
.page-banner h1{font-size:30px;font-weight:800}
.page-banner .crumb{font-size:13px;opacity:.8;margin-top:8px}
.panel{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px}
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:22px}
.form-group{margin-bottom:16px}
.form-group label{display:block;font-size:13.5px;font-weight:600;color:var(--ink-2);margin-bottom:6px}
.form-control{width:100%;height:44px;border:1px solid var(--line);border-radius:10px;padding:0 14px;font-size:14px;outline:none;transition:.2s;background:#fff;color:var(--ink)}
.form-control:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(46,160,255,.1)}
textarea.form-control{height:auto;padding:12px 14px;resize:vertical;min-height:110px}
.select{appearance:none;background-image:url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='%2364748b' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 12px center}
.hint{font-size:12px;color:var(--ink-3);margin-top:5px}
.btn-block{width:100%}
.badge{display:inline-block;padding:2px 10px;border-radius:20px;font-size:12px;font-weight:600}
.badge-ok{background:#ecfdf5;color:var(--ok)}
.badge-warn{background:#fffbeb;color:var(--warn)}
.badge-bad{background:#fef2f2;color:var(--bad)}
.badge-info{background:#eff6ff;color:var(--brand)}
.badge-gray{background:#f1f5f9;color:var(--ink-3)}
.alert{padding:12px 16px;border-radius:10px;font-size:13.5px;margin-bottom:16px;display:flex;gap:10px;align-items:flex-start}
.alert svg{width:18px;height:18px;flex:none;margin-top:1px}
.alert-ok{background:#ecfdf5;color:#065f46;border:1px solid #a7f3d0}
.alert-bad{background:#fef2f2;color:#991b1b;border:1px solid #fecaca}
.alert-info{background:#eff6ff;color:#1b8ae8;border:1px solid #bfdbfe}

/* 响应式 */
@media(max-width:992px){
  .feat-grid{grid-template-columns:repeat(2,1fr)}
  .hero-grid{grid-template-columns:1fr}
  .floater{display:none}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:680px){
  .nav-menu{display:none}
  .feat-grid{grid-template-columns:1fr}
  .grid-2{grid-template-columns:1fr}
  .section{padding:40px 0}
  .hero h1{font-size:30px}
  /* 页脚: 品牌信息居中通栏, 三列导航并排一行且居中 */
  .footer-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:20px 10px}
  .footer-grid>div{text-align:center}
  .footer-grid>.about{grid-column:1/-1}
  .footer-grid>.about .ft-logo{margin:0 auto 12px}
  .footer-grid>.about p{margin-left:auto;margin-right:auto}
  .footer-grid>.about .ft-site{display:inline-flex}
  .footer .footer-grid h4{font-size:13.5px;margin-bottom:10px}
  .footer .footer-grid a{font-size:13px;padding:4px 0}
  /* CTA 通栏: 手机端上下排布并居中 */
  .ft-cta-inner{flex-direction:column;align-items:center;text-align:center;gap:14px}
  .ft-cta-inner p{margin-top:4px}
  .ft-cta-actions{justify-content:center;flex-wrap:wrap}
}

/* ============ 直角化 UI (全局) ============ */
:root{--radius:0px!important;--radius-sm:0px!important}
*{border-radius:0!important}
.avatar,.avatar img,.brand .logo,.dot,.round-dot,.pc-stk::before{border-radius:50%!important}
/* ===== 滚动条美化: 直角扁平 + 品牌蓝, 与全局直角化视觉统一 ===== */
html{scrollbar-width:thin;scrollbar-color:#5db4ff #eef3f9}
::-webkit-scrollbar{width:10px;height:10px}
::-webkit-scrollbar-track{background:#eef3f9}
::-webkit-scrollbar-thumb{background:linear-gradient(180deg,#7cc0ff,#2ea0ff)}
::-webkit-scrollbar-thumb:hover{background:linear-gradient(180deg,#54b0ff,#1b8ae8)}
::-webkit-scrollbar-thumb:active{background:linear-gradient(180deg,#2ea0ff,#1668c4)}
::-webkit-scrollbar-corner{background:#eef3f9}
/* 顶栏菜单横向滚动: 更细、轨道透明 */
.nav-menu{scrollbar-width:thin;scrollbar-color:#c9dcf0 transparent}
.nav-menu::-webkit-scrollbar{height:6px}
.nav-menu::-webkit-scrollbar-track{background:transparent}
.nav-menu::-webkit-scrollbar-thumb{background:#cfdded}
.nav-menu::-webkit-scrollbar-thumb:hover{background:#2ea0ff}

/* ===== 能量条描边: 沿元素边缘跑光的通用效果(宿主元素需 position:relative) ===== */
.fx-ring{position:absolute;inset:0;width:100%;height:100%;pointer-events:none;overflow:visible;z-index:3;opacity:0;visibility:hidden;transition:opacity .28s ease}
.fx-ring rect{x:1.5px;y:1.5px;width:calc(100% - 3px);height:calc(100% - 3px);rx:0;fill:none;stroke:var(--brand);stroke-width:2.5;stroke-linejoin:miter;stroke-linecap:round;stroke-dasharray:22 78;animation:fxDash 2.6s linear infinite}
@keyframes fxDash{to{stroke-dashoffset:-100}}
/* 宿主悬停时显现并提速 */
*:hover>.fx-ring{opacity:1;visibility:visible}
*:hover>.fx-ring rect{animation-duration:1.2s}
@media (prefers-reduced-motion:reduce){.fx-ring rect{animation:none}}