/* 页面框架：页头（登录条、Logo + 搜索 + 按钮、主导航与下拉）、右侧悬浮栏、页脚、手机顶栏与底部标签栏、弹窗、提示 */

/* 页头：整块吸顶（与算力之光一致） */
.hd{position:sticky;top:0;z-index:100;background:#fff;box-shadow:0 1px 0 rgba(0,0,0,.04)}
.hd-bar{display:flex;justify-content:flex-end;align-items:center;height:34px}
.hd-r{display:flex;align-items:center;gap:14px;font-size:14px;font-weight:500;color:var(--ink);white-space:nowrap}
.hd-r a:hover,.hd-r button:hover{color:var(--brand)}
.hd-r .sep{line-height:20px}
.hd-r .cart{position:relative;display:inline-flex;align-items:center;gap:4px}
.hd-r .cart .badge{position:absolute;right:-14px;top:-9px;transform:scale(.85)}
.hd-user{position:relative}
.hd-user>a{display:flex;align-items:center;gap:6px}
.hd-user img,.hd-user .av0{width:22px;height:22px;border-radius:50%;object-fit:cover;background:var(--brand-bg);display:grid;place-items:center;font-size:12px;color:var(--brand)}
.hd-menu{position:absolute;right:-10px;top:calc(100% + 6px);z-index:5;min-width:140px;padding:6px;background:#fff;border:1px solid var(--line);border-radius:6px;box-shadow:var(--shadow2);display:none}
.hd-menu::before{content:"";position:absolute;left:0;right:0;top:-8px;height:8px}
.hd-user:hover .hd-menu,.hd-user:focus-within .hd-menu{display:block}
.hd-menu a{display:block;padding:7px 12px;border-radius:4px;font-size:13px;font-weight:400;color:var(--ink2)}
.hd-menu a:hover{background:var(--brand-bg2);color:var(--brand)}

.hd-main{display:flex;align-items:center;height:90px}
.logo{display:flex;flex-direction:column;align-items:flex-start;flex:none;width:300px}
.logo-row{display:flex;align-items:center;gap:10px}
.logo .mk{width:62px;height:62px;flex:none}
.wm b{display:block;font-size:34px;font-weight:800;line-height:1.05;letter-spacing:.06em;color:#1F1F1F}
.wm small{display:flex;align-items:center;gap:6px;margin-top:4px;font-size:10px;font-weight:700;letter-spacing:.22em;color:#1F1F1F;line-height:1;white-space:nowrap}
.wm small::before,.wm small::after{content:"";width:22px;height:2px;border-radius:1px;background:currentColor}
.logo .tagline{margin-top:3px;font-size:13px;font-weight:500;line-height:20px;color:#AFAFAF;white-space:nowrap}
.hd-search{display:flex;align-items:stretch;flex:0 1 695px;height:61px;margin-left:70px;border:2px solid var(--brand);border-radius:6px;overflow:hidden;background:#fff}
.hd-search input{flex:1;min-width:0;padding:0 24px;border:0;outline:0;font-size:16px;background:#fff}
.hd-search input::placeholder{color:#B5B5B5}
.hd-search button{flex:none;width:90px;display:grid;place-items:center;background:var(--brand);color:#fff}
.hd-search button:hover{background:var(--brand-d)}
.hd-search button .ic{width:28px;height:28px;stroke-width:2}
.hd-act{display:flex;gap:16px;margin-left:auto;padding-left:24px}
.hd-act .btn{height:37px;min-width:133px;padding:0 14px;font-size:14px;gap:6px}
.hd-act .btn .ic{width:22px;height:22px}

/* 主导航 */
.nav{display:flex;align-items:center;gap:50px;height:44px;font-size:16px;font-weight:700;color:var(--ink);white-space:nowrap}
.nav>a,.nav-dd>a{position:relative;display:inline-flex;align-items:center;gap:5px;height:44px}
.nav>a:hover,.nav-dd:hover>a,.nav a.on{color:var(--brand)}
.caret{display:inline-block;width:0;height:0;margin-top:3px;border-top:5px solid currentColor;border-left:4px solid transparent;border-right:4px solid transparent}
.nav-dd{position:relative}
.dd{position:absolute;left:0;top:100%;z-index:120;visibility:hidden;opacity:0;transform:translateY(6px);transition:opacity .15s,transform .15s,visibility 0s .15s;font-weight:400}
.nav-dd:hover .dd,.nav-dd:focus-within .dd{visibility:visible;opacity:1;transform:none;transition-delay:.08s,.08s,0s}
.dd-list{width:260px;padding:8px 0;background:#fff;border-radius:0 0 10px 10px;box-shadow:0 12px 30px -6px rgba(0,0,0,.14)}
.dd-list a{display:block;padding:11px 26px;font-size:14px;font-weight:700;color:var(--ink)}
.dd-list a:hover{color:var(--brand);background:var(--brand-bg2)}
.dd-mega{display:flex;width:1320px;max-width:calc(100vw - 140px);height:min(680px,calc(100vh - 190px));background:linear-gradient(90deg,#fff 238px,#FFFBF8 238px);border-radius:0 0 12px 12px;box-shadow:0 16px 40px -10px rgba(0,0,0,.18);overflow:hidden}
.dd-cats{flex:none;width:238px;padding:18px 0;overflow-y:auto;border-right:1px solid var(--line)}
.dd-item>a{display:flex;align-items:center;gap:12px;min-height:56px;padding:6px 18px 6px 32px;font-size:16px;font-weight:700;color:var(--ink);white-space:normal;line-height:1.35}
.dd-item>a .ic{width:20px;height:20px}
.dd-item.on>a{background:var(--brand-bg);color:var(--brand);box-shadow:inset 3px 0 0 var(--brand)}
.dd-panel{display:none;position:absolute;left:238px;top:0;right:0;bottom:0;padding:34px 30px;overflow-y:auto}
.dd-item.on .dd-panel{display:block}
.dd-panel h4{height:44px;display:flex;align-items:center;padding-left:14px;border-left:3px solid var(--brand);background:linear-gradient(90deg,#FFF1E6,rgba(255,241,230,0));font-size:17px;font-weight:700;color:var(--ink)}
.dd-panel .dd-subs{display:flex;flex-wrap:wrap;gap:16px 28px;margin-top:28px}
.dd-panel .dd-subs a{height:42px;display:inline-flex;align-items:center;padding:0 22px;border:1px solid #DCDCDC;border-radius:5px;background:#fff;font-size:15px;color:var(--ink2)}
.dd-panel .dd-subs a:hover{border-color:var(--brand);color:var(--brand)}
.dd-panel .dd-all{display:inline-flex;align-items:center;gap:4px;margin-top:30px;font-size:14px;font-weight:700;color:var(--brand)}
.dd-panel .dd-all .ic{width:16px;height:16px}

/* 页面标题区与面包屑（内页） */
.ph-bar{padding:18px 0 6px}
.crumb{display:flex;flex-wrap:wrap;align-items:center;font-size:12px;color:var(--ink2)}
.crumb a{color:var(--ink3)}
.crumb a:hover{color:var(--brand)}
.crumb i{margin:0 10px;font-size:0;font-style:normal}
.crumb i::before{content:">";font-size:12px;color:var(--ink3)}
.ph-bar h1{margin-top:22px;font-size:32px;font-weight:800;line-height:1.3}
.ph-bar p{margin-top:8px;font-size:14px;color:var(--ink2)}
.sec{padding-top:24px}
.sh{display:flex;align-items:flex-end;gap:16px;margin:0 0 20px}
.sh h2{font-size:26px;line-height:1.3;font-weight:800;white-space:nowrap}
.sh p{padding-bottom:3px;font-size:14px;color:var(--ink2)}
.sh .r{display:flex;align-items:center;gap:18px;margin-left:auto;font-size:14px;color:var(--ink2)}
.sh .r a:hover{color:var(--brand)}
/* 居中标题 + 橙色短横（内页各区块） */
.ct{margin:0 auto 34px;text-align:center}
.ct h2{position:relative;display:inline-block;padding-bottom:18px;font-size:32px;font-weight:800;line-height:1.3}
.ct h2::after{content:"";position:absolute;left:50%;bottom:0;width:40px;height:3px;margin-left:-20px;border-radius:2px;background:var(--brand)}
.ct p{margin-top:18px;font-size:14px;color:var(--ink2)}
.band{padding:56px 0 64px}
.band.white{background:#fff}
.panel{background:#fff;border:1px solid var(--line);border-radius:var(--r)}
.panel-h{display:flex;align-items:center;gap:12px;min-height:50px;padding:0 20px;border-bottom:1px solid var(--line)}
.panel-h h3{font-size:16px;font-weight:700}
.panel-h .r{margin-left:auto;font-size:13px;color:var(--ink2)}
.panel-h a.r:hover{color:var(--brand)}
.panel-b{padding:20px}
.empty{padding:56px 20px;text-align:center;color:var(--ink3);font-size:14px}
.empty::before{content:"";display:block;width:88px;height:64px;margin:0 auto 14px;background:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 88 64'%3E%3Cellipse cx='44' cy='56' rx='36' ry='6' fill='%23F3F3F3'/%3E%3Cpath d='M16 22 26 8h36l10 14v26a4 4 0 0 1-4 4H20a4 4 0 0 1-4-4z' fill='%23fff' stroke='%23E2E2E2' stroke-width='2'/%3E%3Cpath d='M16 22h19a9 9 0 0 0 18 0h19' fill='none' stroke='%23E2E2E2' stroke-width='2'/%3E%3Ccircle cx='44' cy='22' r='3' fill='%23FFB27D'/%3E%3C/svg%3E") center/contain no-repeat}
.panel-b .empty,.chat-empty.empty{padding:36px 20px}

/* 右侧悬浮栏 */
.fbar{position:fixed;right:0;bottom:120px;z-index:90;width:70px;background:#fff;box-shadow:0 3px 20px rgba(0,0,0,.06);font-size:12px;color:#5C5C5C}
.fbar a{position:relative;display:flex;flex-direction:column;align-items:center;gap:5px;height:80px;justify-content:center;line-height:18px}
.fbar a+a::before{content:"";position:absolute;left:10px;right:10px;top:0;height:1px;background:var(--line)}
.fbar .ic{width:25px;height:25px;stroke-width:1.4}
.fbar a:hover{color:var(--brand)}
.fbar .fb-qr{position:absolute;right:calc(100% + 10px);top:50%;width:132px;padding:10px;margin-top:-76px;background:#fff;border-radius:6px;box-shadow:var(--shadow2);text-align:center;color:var(--ink2);visibility:hidden;opacity:0;transition:opacity .15s}
.fbar .fb-qr img,.fbar .fb-qr svg{width:112px;height:112px;margin:0 auto 6px}
.fbar a:hover .fb-qr{visibility:visible;opacity:1}
/* 内容区贴近屏幕右边时只显示图标，少遮挡内容（文字放在 title 提示里） */
@media (max-width:1599px){.fbar{width:48px}.fbar a{height:56px;font-size:0;gap:0}.fbar a+a::before{left:8px;right:8px}.fbar .ic{width:22px;height:22px}.fbar .fb-qr{font-size:12px}.ft-contact{padding-right:40px}}

/* 页脚：深色底 + 暖光线条 */
.ft{position:relative;margin-top:34px;color:#fff;background:#0B0B0C;overflow:hidden}
.ft-bg{position:absolute;inset:0;width:100%;height:100%;pointer-events:none}
.ft .wrap{z-index:1}
.ft-top{display:grid;grid-auto-flow:column;grid-auto-columns:minmax(0,1fr);padding:34px 0 24px;border-bottom:1px solid rgba(255,255,255,.24)}
.ft-g{display:flex;flex-direction:column;align-items:center;padding:0 28px;text-align:center;border-right:1px solid rgba(255,255,255,.28)}
.ft-g:last-child{border-right:0}
.ft-g h4{display:flex;align-items:center;gap:9px;margin-bottom:23px;font-size:18px;font-weight:700;line-height:24px}
.ft-g h4 .ic{width:24px;height:24px;color:var(--brand);stroke-width:1.6}
.ft-g a{display:block;margin-bottom:12px;font-size:15px;line-height:20px;color:rgba(255,255,255,.72)}
.ft-g a:hover{color:#fff}
.ft-mid{display:flex;align-items:center;justify-content:space-between;gap:30px;min-height:152px;padding:22px 0;border-bottom:1px solid rgba(255,255,255,.24)}
.ft-logo{display:flex;align-items:center;gap:12px;flex:none;width:290px}
.ft-logo .mk{width:66px;height:66px}
.ft-logo .wm b{color:#fff}
.ft-logo .wm small{color:#fff}
.ft-slogan{position:relative;flex:none;padding:0 6px 14px;font-family:"STXingkai","华文行楷","STKaiti","KaiTi","楷体",cursive;font-size:36px;letter-spacing:.2em;color:rgba(255,255,255,.86);transform:rotate(-3deg)}
.ft-slogan svg{position:absolute;left:0;right:0;bottom:0;width:100%;height:14px}
.ft-qrs{display:flex;gap:44px}
.ft-qr{width:86px;text-align:center}
.ft-qr img,.ft-qr svg{display:block;width:86px;height:86px;padding:4px;background:#fff;border-radius:4px}
.ft-qr span{display:block;margin-top:8px;font-size:13px;line-height:18px;color:rgba(255,255,255,.82)}
.ft-contact{flex:0 1 auto;min-width:300px;padding-left:60px;border-left:1px solid rgba(255,255,255,.28)}
.ft-contact p{display:flex;align-items:flex-start;gap:10px;margin:12px 0;font-size:15px;font-weight:600;line-height:24px;color:rgba(255,255,255,.82);white-space:nowrap}
.ft-contact .num{white-space:normal}
.ft-contact .ic{width:24px;height:24px;padding:3px;border:1px solid rgba(255,118,26,.8);border-radius:50%;color:var(--brand);stroke-width:1.6}
.ft-bot{display:flex;flex-wrap:wrap;justify-content:center;align-items:center;gap:6px;padding:14px 0 16px;font-size:12px;line-height:18px;color:rgba(255,255,255,.72)}
.ft-bot a:hover{color:#fff}
.ft-bot i{font-style:normal;margin:0 2px}

/* 弹窗与提示 */
.modal{position:fixed;inset:0;z-index:200;display:none;align-items:center;justify-content:center;padding:20px;background:rgba(0,0,0,.45)}
.modal.is-open{display:flex}
.modal-box{position:relative;width:100%;max-width:440px;max-height:calc(100vh - 40px);display:flex;flex-direction:column;background:#fff;border-radius:10px;box-shadow:0 30px 80px -20px rgba(0,0,0,.35);overflow:hidden}
.modal-box.wide{max-width:640px}
.modal-h{display:flex;align-items:center;gap:12px;padding:18px 20px 14px;border-bottom:1px solid var(--line)}
.modal-h h3{font-size:17px;font-weight:700}
.modal-x{margin-left:auto;width:32px;height:32px;display:grid;place-items:center;border-radius:4px;color:var(--ink3);font-size:22px;line-height:1}
.modal-x:hover{background:var(--soft);color:var(--ink)}
.modal-b{padding:18px 20px;overflow:auto}
.modal-f{display:flex;gap:10px;justify-content:flex-end;padding:14px 20px;border-top:1px solid var(--line)}
html.is-locked{overflow:hidden}
.toast{position:fixed;left:50%;top:150px;z-index:300;transform:translate(-50%,-10px);max-width:min(90vw,480px);padding:10px 18px;background:rgba(0,0,0,.78);color:#fff;border-radius:6px;box-shadow:0 12px 30px -10px rgba(0,0,0,.4);font-size:14px;opacity:0;pointer-events:none;transition:opacity .2s,transform .2s}
.toast.is-on{opacity:1;transform:translate(-50%,0)}
.toast.err{background:rgba(220,38,38,.92)}
.toast.ok{background:rgba(0,0,0,.78)}

/* 手机：顶栏与底部标签栏（电脑端隐藏） */
.m-hd,.m-tab{display:none}
@media (max-width:1439px){
  .hd-search{margin-left:40px}
  .nav{gap:38px}
}
@media (max-width:1240px){
  .logo{width:auto}
  .logo .tagline{display:none}
  .hd-search{margin-left:28px;height:52px}
  .hd-act .btn{min-width:0}
  .nav{gap:26px;font-size:15px}
  .ft-mid{flex-wrap:wrap;justify-content:center}
  .ft-contact{border-left:0;padding-left:0;padding-right:0}
}
@media (max-width:1100px){
  .hd-act .btn.line{display:none}
  .nav{gap:20px;overflow-x:auto}
  .dd{display:none}
  .fbar{display:none}
  .ft-top{grid-auto-flow:row;grid-template-columns:repeat(3,1fr);row-gap:28px}
  .ft-g:nth-child(3){border-right:0}
}
@media (max-width:767px){
  body{padding-bottom:calc(64px + env(safe-area-inset-bottom))}
  .hd,.ft-top,.ft-qrs,.ft-slogan{display:none}
  .wrap{padding:0 14px}
  .m-hd{display:block;position:sticky;top:0;z-index:50;padding:10px 14px;background:#fff;box-shadow:0 1px 0 var(--line)}
  .m-top{display:flex;align-items:center;gap:8px}
  .m-top .mk{width:30px;height:30px}
  .m-top b{font-size:18px;font-weight:800;letter-spacing:.06em}
  .m-top .icb{margin-left:auto;display:flex;gap:14px;color:var(--ink)}
  .m-top .icb a{position:relative}
  .m-top .icb .badge{position:absolute;right:-8px;top:-6px;transform:scale(.85)}
  .m-sr{display:flex;align-items:center;gap:8px;height:40px;margin-top:10px;padding:0 3px 0 12px;background:#fff;border:1.5px solid var(--brand);border-radius:20px}
  .m-sr .ic{width:18px;height:18px;color:var(--ink3)}
  .m-sr input{flex:1;min-width:0;height:100%;background:none;border:0;outline:0;font-size:14px}
  .m-sr .btn{height:32px;padding:0 16px;font-size:13px;border-radius:16px}
  .m-tab{position:fixed;left:0;right:0;bottom:0;z-index:60;display:grid;grid-template-columns:repeat(5,1fr);height:calc(58px + env(safe-area-inset-bottom));padding:7px 0 env(safe-area-inset-bottom);background:#fff;box-shadow:0 -1px 0 var(--line)}
  .m-tab a{position:relative;display:flex;flex-direction:column;align-items:center;gap:2px;font-size:11px;color:var(--ink2)}
  .m-tab a .ic{width:24px;height:24px}
  .m-tab a.on{color:var(--brand)}
  .m-tab .pub i{display:grid;place-items:center;width:44px;height:28px;margin-top:-2px;border-radius:14px;background:var(--brand);color:#fff}
  .m-tab .pub i .ic{width:20px;height:20px;stroke-width:2}
  .ft{margin-top:24px}
  .ft-mid{display:block;min-height:0;padding:22px 0 8px;border-bottom:0}
  .ft-logo{width:auto;margin-bottom:12px}
  .ft-logo .mk{width:44px;height:44px}
  .ft-logo .wm b{font-size:24px}
  .ft-contact{min-width:0}
  .ft-contact p{margin:8px 0;font-size:13px}
  .ft-bot{justify-content:flex-start;padding-bottom:20px}
  .ph-bar h1{font-size:22px;margin-top:10px}
  .sh h2,.ct h2{font-size:21px}
  .ct{margin-bottom:22px}
  .ct h2{padding-bottom:12px}
  .band{padding:32px 0 36px}
  .sec{padding-top:16px}
  .modal{align-items:flex-end;padding:0}
  .modal-box{max-width:none;border-radius:14px 14px 0 0;max-height:88vh}
  .toast{top:auto;bottom:90px}
}