/* ==================================================================
   TerseLink 官网 · 公共样式（index / docs / download / account / login / legal）
   设计语言：浅暖灰纸面 + 深墨蓝 + Logo 蓝渐变；数据用等宽字体；节省用绿色
   ================================================================== */
/* ---------- webfonts ---------- */
@font-face{font-family:"Geist";src:url("../img/6a6697d3235c69b3391cd1c1_Geist-Regular.woff2") format("woff2");font-weight:400;font-style:normal;font-display:swap}
@font-face{font-family:"Geist";src:url("../img/6a66980915ae2251084e8eda_Geist-Medium.woff2") format("woff2");font-weight:500;font-style:normal;font-display:swap}
@font-face{font-family:"Geist";src:url("../img/6a6697e7ef08c0cb3845a81e_Geist-SemiBold.woff2") format("woff2");font-weight:600;font-style:normal;font-display:swap}
@font-face{font-family:"Geist";src:url("../img/6a6697fc814a7e48f69fed0b_Geist-Bold.woff2") format("woff2");font-weight:700;font-style:normal;font-display:swap}
@font-face{font-family:"Geist Mono";src:url("../img/6a66983c869688d274fe3a25_GeistMono-Regular.woff2") format("woff2");font-weight:400;font-style:normal;font-display:swap}
@font-face{font-family:"Geist Mono";src:url("../img/6a66988e45b6656fad797c2c_GeistMono-Medium.woff2") format("woff2");font-weight:500;font-style:normal;font-display:swap}
@font-face{font-family:"Geist Mono";src:url("../img/6a6698a34033ff2665f9c3fb_GeistMono-SemiBold.woff2") format("woff2");font-weight:600;font-style:normal;font-display:swap}
@font-face{font-family:"Orbitron";src:url("../img/Orbitron-latin-wght.woff2") format("woff2");font-weight:400 900;font-style:normal;font-display:swap}

:root{
  --paper:#F3F4F0;
  --paper-2:#E9EBE5;
  --card:#FBFBF9;
  --ink:#0A1322;
  --ink-2:#2F3A4B;
  --mute:#677284;
  --line:rgba(10,19,34,.10);
  --line-2:rgba(10,19,34,.16);
  --blue-l:#77B7E5;
  --blue:#0076BF;
  --blue-d:#004DA1;
  --blue-bg:#E6F1FA;
  --save:#0B9B6A;
  --save-l:#38D39F;
  --save-bg:#E3F5EC;
  --warn:#B7791F;
  --warn-bg:#FBF1DE;
  --err:#C93A3F;
  --err-bg:#FBE7E7;
  --night:#07101D;
  --night-2:#0D1A2C;
  --night-line:rgba(160,196,230,.12);
  --grad:linear-gradient(120deg,#77B7E5 0%,#0076BF 55%,#004DA1 100%);
  --sans:"Geist","HarmonyOS Sans SC","MiSans","PingFang SC","Microsoft YaHei UI","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --mono:"Geist Mono","JetBrains Mono","Cascadia Code","SF Mono",Consolas,"Roboto Mono",monospace;
  --r:14px;
  --wrap:1600px;
  --nav-h:68px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:88px}
body{font-family:var(--sans);background:var(--paper);color:var(--ink);line-height:1.6;-webkit-font-smoothing:antialiased;overflow-x:hidden;min-height:100vh;display:flex;flex-direction:column}
body>main{flex:1}
a{color:inherit;text-decoration:none}
button,input,textarea,select{font:inherit;color:inherit}
button{background:none;border:0;cursor:pointer}
img{display:block}
[hidden]{display:none!important}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 48px;width:100%}
.wrap-wide{max-width:1680px}
.mono{font-family:var(--mono);font-feature-settings:"zero" 1}
:focus-visible{outline:2px solid var(--blue);outline-offset:3px;border-radius:6px}
::selection{background:rgba(0,118,191,.18)}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:44px;padding:0 20px;border-radius:10px;font-size:15px;font-weight:600;transition:transform .2s,box-shadow .2s,background .2s,border-color .2s,opacity .2s;white-space:nowrap;border:1px solid transparent}
.btn svg{width:17px;height:17px;flex:none}
.btn-primary{background:var(--ink);color:#fff;box-shadow:0 1px 0 rgba(255,255,255,.12) inset,0 8px 20px -10px rgba(10,19,34,.6)}
.btn-primary:hover{transform:translateY(-1px);background:#14233a}
.btn-blue{background:var(--blue);color:#fff;box-shadow:0 10px 24px -12px rgba(0,118,191,.8)}
.btn-blue:hover{transform:translateY(-1px);background:#0069ab}
.btn-ghost{border-color:var(--line-2);background:rgba(255,255,255,.55)}
.btn-ghost:hover{border-color:var(--ink);background:#fff}
.btn-danger{background:var(--err-bg);color:var(--err);border-color:rgba(201,58,63,.2)}
.btn-danger:hover{background:#f8dada}
.btn-sm{height:36px;padding:0 14px;font-size:14px;border-radius:9px}
.nav-pill{border-radius:999px;padding:0 16px}
.btn-xs{height:30px;padding:0 11px;font-size:13px;border-radius:8px}
.btn-block{width:100%}
.btn:disabled,.btn.disabled{opacity:.55;pointer-events:none;transform:none}
.link{color:var(--blue);font-weight:500}
.link:hover{text-decoration:underline}

/* ---------- nav ---------- */
.nav{position:fixed;inset:0 0 auto;z-index:50;transition:background .3s,border-color .3s;border-bottom:1px solid transparent}
.nav.scrolled,.nav.solid{background:rgba(243,244,240,.84);backdrop-filter:saturate(1.4) blur(14px);-webkit-backdrop-filter:saturate(1.4) blur(14px);border-bottom-color:var(--line)}
.nav-in{height:var(--nav-h);display:flex;align-items:center;gap:32px}
.brand{display:flex;align-items:center;gap:9px;font-weight:700;font-size:19px;letter-spacing:-.01em;flex:none}
.brand b{font-family:"Orbitron",var(--sans);font-weight:600;letter-spacing:.005em}
.brand img{width:34px;height:34px}
.brand span{color:var(--blue)}
.brand small{font-size:12px;font-weight:600;color:var(--mute);border-left:1px solid var(--line-2);padding-left:10px;margin-left:2px;letter-spacing:.02em}
.nav-links{display:flex;gap:2px;font-size:14.5px;color:#001f49}
.nav-links a{padding:7px 12px;border-radius:8px;transition:background .2s,color .2s;white-space:nowrap;color:#001f49;font-weight:700}
.nav-links a:hover{background:rgba(10,19,34,.06);color:#001f49}
.nav-links a.on{color:#001f49;font-weight:700;background:rgba(10,19,34,.06)}
.nav-right{margin-left:auto;display:flex;align-items:center;gap:10px}
.icon-btn{position:relative;width:38px;height:38px;border-radius:10px;display:grid;place-items:center;color:var(--ink-2);transition:background .2s}
.icon-btn:hover{background:rgba(10,19,34,.06)}
.icon-btn svg{width:20px;height:20px}
.icon-btn .dot{position:absolute;top:8px;right:9px;width:8px;height:8px;border-radius:50%;background:#E5484D;box-shadow:0 0 0 2px var(--paper)}
.avatar{width:36px;height:36px;border-radius:50%;background:var(--grad);color:#fff;font-weight:700;font-size:15px;display:grid;place-items:center;background-size:cover;background-position:center;box-shadow:0 0 0 2px #fff,0 0 0 3px var(--line-2);flex:none;overflow:hidden}
.pop{position:absolute;top:calc(100% + 10px);right:0;background:#fff;border:1px solid var(--line);border-radius:14px;box-shadow:0 24px 60px -20px rgba(10,19,34,.35);opacity:0;transform:translateY(-6px);pointer-events:none;transition:.18s;z-index:60}
.pop.open{opacity:1;transform:none;pointer-events:auto}
.rel{position:relative}
.notif-pop{width:350px}
.pop-head{display:flex;justify-content:space-between;align-items:center;padding:14px 16px;border-bottom:1px solid var(--line);font-weight:600;font-size:14px}
.pop-head button{font-size:13px;color:var(--blue);font-weight:500}
.notif-list{max-height:360px;overflow:auto}
.notif-item{padding:12px 16px;border-bottom:1px solid var(--line);cursor:pointer;transition:background .15s}
.notif-item:hover{background:var(--paper)}
.notif-item:last-child{border-bottom:0}
.notif-item .t{font-size:14px;font-weight:600;display:flex;align-items:center;gap:7px}
.notif-item .t i{width:7px;height:7px;border-radius:50%;background:var(--blue);flex:none}
.notif-item.read .t{font-weight:500;color:var(--ink-2)}
.notif-item .d{font-size:13px;color:var(--mute);margin-top:2px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.notif-item .tm{font-size:12px;color:var(--mute);margin-top:4px;font-family:var(--mono)}
.notif-tag{font-size:11px;padding:1px 6px;border-radius:4px;background:var(--paper-2);color:var(--ink-2);font-weight:500;white-space:nowrap}
.empty{padding:28px;text-align:center;color:var(--mute);font-size:14px}
.user-pop{width:232px;padding:6px}
.user-pop .who{padding:12px 12px 10px;border-bottom:1px solid var(--line);margin-bottom:6px}
.user-pop .who b{display:block;font-size:15px}
.user-pop .who small{color:var(--mute);font-size:12.5px;word-break:break-all}
.user-pop a,.user-pop button{display:flex;width:100%;align-items:center;gap:10px;padding:9px 12px;border-radius:8px;font-size:14px;text-align:left}
.user-pop a:hover,.user-pop button:hover{background:var(--paper)}
.user-pop svg{width:16px;height:16px;color:var(--mute)}
.tier{display:inline-block;margin-left:6px;font-size:11px;padding:1px 7px;border-radius:999px;background:var(--paper-2);color:var(--ink-2);font-weight:600;vertical-align:2px}
.tier.paid{background:var(--grad);color:#fff}
.authed-only{display:none!important}
body.authed .authed-only{display:flex!important}
body.authed .guest-only{display:none!important}
.menu-btn{display:none!important}

/* ---------- typography / sections ---------- */
h2{font-size:clamp(30px,3.6vw,46px);line-height:1.15;letter-spacing:-.03em;font-weight:800;margin:6px 0 14px;max-width:960px}
.sec{padding:132px 0;position:relative}
.sec-head{display:grid;grid-template-columns:auto 1fr;gap:32px;align-items:start;margin-bottom:64px}
.sec-no{font-family:var(--mono);font-size:13px;color:var(--blue);border:1px solid currentColor;border-radius:999px;padding:4px 12px;margin-top:10px;letter-spacing:.06em}
.kicker{font-size:13px;letter-spacing:.14em;color:var(--mute);font-weight:600;text-transform:uppercase}
.sec-head p{color:var(--ink-2);font-size:17.5px;max-width:780px}
.dark{background:var(--night);color:#E4ECF6}
.dark .sec-head p{color:#9fb0c6}
.dark .kicker{color:#6f86a4}
.dark .sec-no{color:var(--blue-l)}
.dark-grid{position:absolute;inset:0;border-radius:inherit;background-image:linear-gradient(var(--night-line) 1px,transparent 1px),linear-gradient(90deg,var(--night-line) 1px,transparent 1px);background-size:56px 56px;-webkit-mask-image:radial-gradient(70% 60% at 50% 0%,#000,transparent);mask-image:radial-gradient(70% 60% at 50% 0%,#000,transparent);pointer-events:none;opacity:.55}

/* ---------- badges / status ---------- */
.badge{font-size:11.5px;padding:3px 9px;border-radius:999px;font-weight:600;display:inline-flex;align-items:center;gap:5px;white-space:nowrap;line-height:1.4}
.badge svg{width:12px;height:12px}
.b-free{background:rgba(56,211,159,.12);color:var(--save-l);border:1px solid rgba(56,211,159,.25)}
.b-pro{background:rgba(119,183,229,.1);color:#a9d2f3;border:1px solid rgba(119,183,229,.25)}
.l-free{background:var(--save-bg);color:var(--save);border:1px solid rgba(11,155,106,.2)}
.l-pro{background:var(--blue-bg);color:var(--blue-d);border:1px solid rgba(0,118,191,.18)}
.l-mute{background:var(--paper-2);color:var(--ink-2);border:1px solid var(--line)}
.l-warn{background:var(--warn-bg);color:var(--warn);border:1px solid rgba(183,121,31,.2)}
.l-err{background:var(--err-bg);color:var(--err);border:1px solid rgba(201,58,63,.2)}
.pro-pill{font-size:11px;padding:2px 8px;border-radius:999px;background:var(--grad);color:#fff;font-weight:600;vertical-align:2px}

/* ---------- comparison table ---------- */
.cmp{display:grid;grid-template-columns:1.3fr 1fr 1fr;border:1px solid var(--line-2);border-radius:20px;overflow:hidden;background:var(--card)}
.cmp>div{padding:18px 32px;border-bottom:1px solid var(--line);font-size:14.5px;display:flex;align-items:center;gap:8px}
.cmp .c2,.cmp .c3{justify-content:center;text-align:center}
.cmp .c3{background:rgba(0,118,191,.045)}
.cmp .hd{padding:30px 32px;align-items:flex-start;flex-direction:column;gap:4px}
.cmp .hd.c2,.cmp .hd.c3{align-items:center}
.cmp .hd b{font-size:20px}
.cmp .hd small{color:var(--mute);font-size:13px}
.cmp .hd .btn{margin-top:10px}
.cmp .last{border-bottom:0}
.cmp .lbl{color:var(--ink-2)}
.cmp .sub-h{grid-column:1/-1;background:var(--paper);font-size:12px;letter-spacing:.1em;color:var(--mute);font-weight:600;padding:11px 32px}
.ok{color:var(--save);display:inline-flex}
.no{color:#a3abb7;display:inline-flex}
.ok svg,.no svg{width:18px;height:18px}

/* ---------- faq / details ---------- */
.faq-list details{border-bottom:1px solid var(--line-2);padding:20px 0}
.faq-list details:first-child{border-top:1px solid var(--line-2)}
.faq-list summary{list-style:none;cursor:pointer;display:flex;justify-content:space-between;align-items:center;gap:20px;font-size:17px;font-weight:600}
.faq-list summary::-webkit-details-marker{display:none}
.faq-list summary i{width:28px;height:28px;border-radius:50%;border:1px solid var(--line-2);display:grid;place-items:center;flex:none;transition:transform .25s,background .2s;font-style:normal}
.faq-list details[open] summary i{transform:rotate(45deg);background:var(--ink);color:#fff;border-color:var(--ink)}
.faq-list details p{margin-top:12px;color:var(--ink-2);font-size:15px;max-width:640px}

/* ---------- footer ---------- */
.site-foot{border-top:1px solid var(--line);padding:56px 0 36px;margin-top:40px}
.foot{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:56px}
.foot p{color:var(--mute);font-size:14px;margin-top:14px;max-width:320px}
.foot h5{font-size:13px;color:var(--mute);font-weight:600;letter-spacing:.06em;margin-bottom:14px}
.foot ul{list-style:none;display:flex;flex-direction:column;gap:9px;font-size:14.5px}
.foot a:hover{color:var(--blue)}
.foot-b{margin-top:48px;padding-top:22px;border-top:1px solid var(--line);display:flex;justify-content:space-between;color:var(--mute);font-size:13px;flex-wrap:wrap;gap:12px}
.foot-b .mono{font-size:12px}
.foot.solo{display:block;text-align:center}
.foot.solo .brand{justify-content:center}
.foot.solo p{margin:14px auto 0}
.foot-b.center{justify-content:center;text-align:center}
.foot-copy{display:flex;flex-direction:column;gap:6px}
.foot-b.center .foot-copy{align-items:center}
.icp-line{font-size:12px}
.icp-line a{color:var(--mute)}
.icp-line a:hover{color:var(--blue)}
.site-foot.mini{padding:22px 0;margin-top:0}
.site-foot.mini .foot-b{margin:0;padding:0;border:0}
.site-foot.mini .foot-b a:hover{color:var(--blue)}

/* ---------- toast & reveal ---------- */
.toast{position:fixed;left:50%;bottom:28px;transform:translate(-50%,20px);background:var(--ink);color:#fff;padding:10px 18px;border-radius:10px;font-size:14px;opacity:0;pointer-events:none;transition:.25s;z-index:120;max-width:90vw;text-align:center}
.toast.show{opacity:1;transform:translate(-50%,0)}
.toast.err{background:var(--err)}
.toast.ok{background:var(--save)}
.rv{opacity:0;transform:translateY(22px);transition:opacity .8s cubic-bezier(.2,.8,.2,1),transform .8s cubic-bezier(.2,.8,.2,1)}
.rv.in{opacity:1;transform:none}
.rv.d1{transition-delay:.08s}.rv.d2{transition-delay:.16s}.rv.d3{transition-delay:.24s}

/* ---------- forms ---------- */
.field{display:flex;flex-direction:column;gap:7px;min-width:0}
.field>label,.label{font-size:13.5px;font-weight:600;color:var(--ink-2)}
.field>label .req{color:var(--err);margin-left:2px}
.input{height:44px;width:100%;padding:0 14px;border:1px solid var(--line-2);border-radius:10px;background:#fff;font-size:15px;transition:border-color .2s,box-shadow .2s;outline:0}
.input:hover{border-color:rgba(10,19,34,.28)}
.input:focus{border-color:var(--blue);box-shadow:0 0 0 4px rgba(0,118,191,.12)}
.input[readonly]{background:var(--paper);color:var(--ink-2);cursor:default}
.input[readonly]:focus{box-shadow:none;border-color:var(--line-2)}
textarea.input{height:auto;min-height:110px;padding:12px 14px;resize:vertical;line-height:1.6}
.input-wrap{position:relative}
.input-wrap .input{padding-right:64px}
.pwd-toggle{position:absolute;right:8px;top:50%;transform:translateY(-50%);font-size:13px;color:var(--mute);padding:4px 8px;border-radius:6px}
.pwd-toggle:hover{color:var(--ink);background:var(--paper)}
.code-row{display:flex;gap:10px}
.code-row .input{flex:1}
.code-row .btn{flex:none;min-width:116px}
.hint{font-size:12.5px;color:var(--mute)}
.check{display:flex;align-items:flex-start;gap:9px;font-size:13.5px;color:var(--ink-2);cursor:pointer;line-height:1.5}
.check input{appearance:none;-webkit-appearance:none;width:17px;height:17px;border:1.5px solid rgba(10,19,34,.3);border-radius:5px;flex:none;margin-top:1px;display:grid;place-items:center;background:#fff;cursor:pointer;transition:.15s}
.check input:checked{background:var(--ink);border-color:var(--ink)}
.check input:checked::after{content:"";width:9px;height:5px;border:2px solid #fff;border-top:0;border-right:0;transform:rotate(-45deg) translate(1px,-1px)}
.check a{color:var(--blue);font-weight:500}
.check a:hover{text-decoration:underline}
.msg{display:none;padding:11px 14px;border-radius:10px;font-size:14px;line-height:1.5;border:1px solid transparent}
.msg.show{display:block}
.msg.ok{background:var(--save-bg);color:#0a6e4c;border-color:rgba(11,155,106,.2)}
.msg.error{background:var(--err-bg);color:#9b2c30;border-color:rgba(201,58,63,.2)}
.msg.warn{background:var(--warn-bg);color:#8a5a12;border-color:rgba(183,121,31,.22)}
.msg.info{background:var(--blue-bg);color:var(--blue-d);border-color:rgba(0,118,191,.16)}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px 20px}
.form-grid .span-2{grid-column:1/-1}
.seg{display:inline-flex;gap:4px;background:var(--paper-2);padding:4px;border-radius:10px}
.seg button{font-size:13.5px;padding:6px 14px;border-radius:7px;color:var(--ink-2);white-space:nowrap}
.seg button.on{background:#fff;color:var(--ink);box-shadow:0 1px 3px rgba(10,19,34,.12);font-weight:600}

/* ---------- cards ---------- */
.card{background:var(--card);border:1px solid var(--line);border-radius:20px;padding:34px 36px}
.card+.card{margin-top:24px}
.card-head{display:flex;align-items:center;gap:14px;margin-bottom:22px}
.card-head .ic{width:42px;height:42px;border-radius:11px;background:var(--ink);color:#fff;display:grid;place-items:center;flex:none}
.card-head .ic svg{width:20px;height:20px}
.card-head h3{font-size:18px;line-height:1.3}
.card-head p{font-size:13.5px;color:var(--mute)}
.card-head .act{margin-left:auto}
.card-foot{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-top:24px;padding-top:20px;border-top:1px solid var(--line);flex-wrap:wrap}
.card-foot .note{font-size:13px;color:var(--mute)}
.kv-list{display:grid;grid-template-columns:repeat(4,1fr);border:1px solid var(--line);border-radius:12px;overflow:hidden;background:#fff}
.kv-list>div{padding:16px 20px;border-right:1px solid var(--line);min-width:0}
.kv-list>div:last-child{border-right:0}
.kv-list small{display:block;font-size:12px;color:var(--mute)}
.kv-list b{display:block;font-weight:600;font-size:14.5px;margin-top:2px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* ---------- table ---------- */
.tbl-wrap{border:1px solid var(--line);border-radius:12px;overflow:auto;background:#fff}
.tbl{width:100%;border-collapse:collapse;font-size:14px;min-width:640px}
.tbl th{text-align:left;font-weight:600;font-size:12.5px;color:var(--mute);padding:12px 20px;background:var(--paper);border-bottom:1px solid var(--line);white-space:nowrap}
.tbl td{padding:14px 20px;border-bottom:1px solid var(--line);vertical-align:middle}
.tbl tr:last-child td{border-bottom:0}
.tbl tbody tr:hover td{background:rgba(10,19,34,.02)}
.tbl .num{text-align:right;font-family:var(--mono)}
.tbl .mono{font-size:12.5px;color:var(--ink-2)}

/* ---------- modal ---------- */
.mask{position:fixed;inset:0;z-index:100;background:rgba(7,16,29,.48);backdrop-filter:blur(3px);display:flex;align-items:center;justify-content:center;padding:20px;opacity:0;pointer-events:none;transition:opacity .2s}
.mask.open{opacity:1;pointer-events:auto}
.modal{background:#fff;border-radius:18px;width:100%;max-width:440px;box-shadow:0 40px 80px -30px rgba(7,16,29,.6);transform:translateY(10px) scale(.98);transition:transform .25s cubic-bezier(.2,.8,.2,1);max-height:calc(100vh - 40px);display:flex;flex-direction:column;overflow:hidden}
.mask.open .modal{transform:none}
.modal-head{display:flex;align-items:flex-start;gap:12px;padding:22px 24px 0}
.modal-head h3{font-size:18px}
.modal-head p{font-size:13px;color:var(--mute);margin-top:2px}
.modal-x{margin-left:auto;width:32px;height:32px;border-radius:8px;display:grid;place-items:center;color:var(--mute);flex:none}
.modal-x:hover{background:var(--paper);color:var(--ink)}
.modal-x svg{width:18px;height:18px}
.modal-body{padding:18px 24px;overflow:auto}
.modal-foot{display:flex;justify-content:flex-end;gap:10px;padding:0 24px 22px;flex-wrap:wrap}
.nd-time{font-family:var(--mono);font-size:12px;color:var(--mute)}
.nd-body{font-size:14.5px;color:var(--ink-2);white-space:pre-wrap;margin-top:12px}
.nd-tip{margin-top:14px;font-size:13px;padding:12px 14px;border-radius:10px;background:var(--blue-bg);color:var(--blue-d)}

/* ---------- inner page shell ---------- */
.page-band{padding:calc(var(--nav-h) + 60px) 0 48px;position:relative;overflow:hidden;border-bottom:1px solid var(--line)}
.page-band::before{content:"";position:absolute;inset:0;background:radial-gradient(50% 120% at 85% 0%,rgba(119,183,229,.22),transparent 70%),radial-gradient(30% 80% at 0% 100%,rgba(56,211,159,.08),transparent 70%);pointer-events:none}
.page-band::after{content:"";position:absolute;inset:0;background-image:radial-gradient(rgba(10,19,34,.08) 1px,transparent 1.2px);background-size:22px 22px;-webkit-mask-image:linear-gradient(90deg,transparent,#000 60%);mask-image:linear-gradient(90deg,transparent,#000 60%);pointer-events:none;opacity:.6}
.page-band .wrap{position:relative;z-index:1}
.crumb{font-size:13px;color:var(--mute);display:flex;gap:8px;align-items:center;margin-bottom:14px}
.crumb a:hover{color:var(--blue)}
.page-band h1{font-size:clamp(32px,4vw,48px);line-height:1.12;letter-spacing:-.03em;font-weight:800}
.page-band p.lead{font-size:17px;color:var(--ink-2);margin-top:12px;max-width:760px}
.page-band .band-row{display:flex;align-items:flex-end;justify-content:space-between;gap:28px;flex-wrap:wrap}
.shell{display:grid;grid-template-columns:264px minmax(0,1fr);gap:56px;padding-top:44px;padding-bottom:56px;align-items:start}
.side{position:sticky;top:calc(var(--nav-h) + 24px);display:flex;flex-direction:column;gap:22px}
.side-group{display:flex;flex-direction:column;gap:2px}
.side-title{font-size:11.5px;letter-spacing:.12em;color:var(--mute);font-weight:700;text-transform:uppercase;padding:0 12px 6px}
.side-group a{display:flex;align-items:center;gap:10px;padding:10px 14px;border-radius:9px;font-size:14.5px;color:var(--ink-2);transition:background .15s,color .15s;width:100%;text-align:left;position:relative}
.side-group a svg{width:17px;height:17px;color:var(--mute);flex:none}
.side-group a:hover{background:rgba(10,19,34,.05);color:var(--ink)}
.side-group a.on{background:#fff;color:var(--ink);font-weight:600;box-shadow:0 1px 0 var(--line),0 0 0 1px var(--line)}
.side-group a.on svg{color:var(--blue)}
.side-group a.on::before{content:"";position:absolute;left:-1px;top:9px;bottom:9px;width:3px;border-radius:3px;background:var(--grad)}
.side-card{border:1px solid var(--line);border-radius:14px;padding:18px;background:var(--card);font-size:13px;color:var(--ink-2)}
.side-card b{display:block;font-size:14px;color:var(--ink);margin-bottom:4px}
.side-card .btn{margin-top:12px}
.tab-page{display:none}
.tab-page.on{display:block;animation:fadeUp .4s cubic-bezier(.2,.8,.2,1)}
@keyframes fadeUp{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}
.sk{background:linear-gradient(90deg,var(--paper-2),#f6f7f3,var(--paper-2));background-size:200% 100%;animation:sk 1.2s infinite;border-radius:8px}
@keyframes sk{to{background-position:-200% 0}}

@media (prefers-reduced-motion:reduce){*,*::before,*::after{animation:none!important;transition:none!important}.rv{opacity:1;transform:none}html{scroll-behavior:auto}}

/* ---------- responsive ---------- */
@media (max-width:1280px){
  .wrap{padding:0 32px}
}
@media (max-width:1080px){
  .foot{grid-template-columns:1fr 1fr}
  .nav-links a{padding:7px 9px}
}
@media (max-width:960px){
  .shell{grid-template-columns:1fr;gap:20px}
  .side{position:relative;top:0;flex-direction:row;overflow-x:auto;gap:6px;padding-bottom:4px;scrollbar-width:none}
  .side::-webkit-scrollbar{display:none}
  .side-group{flex-direction:row;gap:6px}
  .side-title,.side-card{display:none}
  .side-group a{width:auto;white-space:nowrap;border:1px solid var(--line);background:rgba(255,255,255,.5)}
  .side-group a.on::before{display:none}
}
@media (max-width:900px){
  .nav-links{display:none}
  .nav-links.open{display:flex;position:absolute;top:var(--nav-h);left:0;right:0;flex-direction:column;background:var(--paper);padding:12px 20px 18px;border-bottom:1px solid var(--line);box-shadow:0 20px 30px -20px rgba(10,19,34,.25)}
  .menu-btn{display:grid!important}
}
@media (max-width:720px){
  .wrap{padding:0 20px}
  .sec{padding:84px 0}
  .sec-head{grid-template-columns:1fr;gap:6px}
  .cmp>div{padding:12px 14px;font-size:13.5px}
  .nav-right .nav-cta,.nav-right .hide-sm{display:none}
  .form-grid{grid-template-columns:1fr}
  .kv-list{grid-template-columns:1fr 1fr}
  .kv-list>div:nth-child(2){border-right:0}
  .kv-list>div:nth-child(-n+2){border-bottom:1px solid var(--line)}
  .card{padding:20px}
  .notif-pop{width:min(350px,calc(100vw - 32px));right:-60px}
  .foot{grid-template-columns:1fr}
}

/* 导航栏内容左右贴边 */
.nav .wrap,.nav .wrap-wide{max-width:none;padding:0 32px}
@media (max-width:720px){.nav .wrap,.nav .wrap-wide{padding:0 16px}}