:root{
  --ink:#14161a;
  --ink-2:#3c4048;
  --muted:#767b83;
  --line:#e7e3db;
  --bg:#f7f5f0;
  --card:#ffffff;
  --gold:#c8a14a;
  --gold-deep:#a8842f;
  --green:#2f8f5b;
  --red:#c2453c;
  --radius:14px;
  --shadow:0 1px 2px rgba(20,22,26,.04),0 8px 24px rgba(20,22,26,.05);
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  background:var(--bg);color:var(--ink);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  font-size:15px;line-height:1.7;-webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none}
img{max-width:100%}
em{font-style:normal;color:var(--gold-deep)}

/* ---------------- 导航 ---------------- */
.nav{
  position:sticky;top:0;z-index:20;display:flex;align-items:center;justify-content:space-between;
  padding:14px 32px;background:rgba(247,245,240,.86);backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.brand{display:flex;align-items:center;gap:10px}
.mark{
  width:34px;height:34px;border-radius:10px;background:var(--ink);color:var(--gold);
  display:flex;align-items:center;justify-content:center;font-weight:700;font-size:19px;letter-spacing:.5px;
}
.mark.small{width:26px;height:26px;font-size:14px;border-radius:8px}
.brand-text{display:flex;flex-direction:column;line-height:1.2}
.brand-text b{font-size:15px;letter-spacing:.5px}
.brand-text i{font-size:11px;color:var(--muted);font-style:normal;letter-spacing:1px}
.nav-links{display:flex;align-items:center;gap:22px;font-size:14px}
.nav-links a:hover{color:var(--gold-deep)}
.nav-links .link-btn{color:var(--muted)}
.inline{display:inline;margin:0}
.link-btn{
  background:none;border:0;padding:0;font:inherit;font-size:14px;cursor:pointer;color:var(--muted);
}
.link-btn:hover{color:var(--gold-deep)}
.link-btn.danger:hover{color:var(--red)}

/* ---------------- 按钮 ---------------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:10px 20px;border-radius:10px;border:1px solid var(--ink);
  background:var(--ink);color:#fbfaf7;font-size:14px;font-weight:600;letter-spacing:.3px;
  cursor:pointer;transition:.18s ease;
}
.btn:hover{transform:translateY(-1px);box-shadow:0 6px 18px rgba(20,22,26,.16)}
.btn.ghost{background:transparent;color:var(--ink);border-color:var(--line)}
.btn.ghost:hover{background:#fff;border-color:#d9d3c6}
.btn.small{padding:7px 14px;font-size:13px;border-radius:8px}
.btn.large{padding:13px 26px;font-size:15px}
.btn.full{width:100%}

/* ---------------- 版心 ---------------- */
.page{max-width:1120px;margin:0 auto;padding:56px 32px 80px}
.page.wide{max-width:1200px}
.page.app{padding-top:40px}

/* ---------------- 首屏 ---------------- */
.hero{display:grid;grid-template-columns:1.15fr .85fr;gap:56px;align-items:center;padding:20px 0 64px}
.pill{
  display:inline-block;padding:5px 12px;border-radius:999px;
  background:#fff;border:1px solid var(--line);font-size:12px;color:var(--muted);letter-spacing:1px;
}
.hero h1{
  font-size:46px;line-height:1.22;letter-spacing:-.5px;margin:20px 0 18px;font-weight:800;
}
.hero .lead{color:var(--ink-2);font-size:16px;max-width:560px;margin:0 0 28px}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap}
.hero-points{margin:28px 0 0;padding:0;list-style:none;display:flex;flex-wrap:wrap;gap:8px 20px;font-size:13px;color:var(--muted)}
.hero-points li::before{content:"·";color:var(--gold);margin-right:8px}

.hero-visual{position:relative}
.mock{
  background:var(--card);border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow);overflow:hidden;
}
.mock-head{display:flex;gap:6px;padding:12px 14px;border-bottom:1px solid var(--line);background:#fbfaf6}
.mock-head span{width:9px;height:9px;border-radius:50%;background:#e2ddd2}
.mock-body{padding:22px 22px 18px}
.mock-row{display:flex;align-items:baseline;gap:12px;padding:11px 0;border-bottom:1px dashed #eee9df;font-size:13px}
.mock-row b{width:44px;color:var(--muted);font-weight:500;flex:none}
.mock-row i{color:var(--ink-2);font-style:normal;flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.mock-row .ok{color:var(--green);font-size:12px;flex:none}
.mock-btn{
  margin-top:20px;text-align:center;padding:12px;border-radius:10px;
  background:linear-gradient(180deg,#1b1e23,#101215);color:#f7f3e6;font-weight:700;font-size:14px;letter-spacing:1px;
}
.mock-tip{margin:12px 0 0;font-size:12px;color:var(--muted);text-align:center}

/* ---------------- 区块 ---------------- */
section h2{font-size:24px;letter-spacing:-.2px;margin:0 0 22px;font-weight:700}
.features,.flow,.compliance{padding:56px 0;border-top:1px solid var(--line)}
.grid{display:grid;gap:18px}
.grid.three{grid-template-columns:repeat(3,1fr)}
.card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:24px;
  box-shadow:var(--shadow);
}
.card .ico{font-size:12px;letter-spacing:2px;color:var(--gold-deep);margin-bottom:14px}
.card h3{font-size:17px;margin:0 0 8px;font-weight:700}
.card p{margin:0;color:var(--ink-2);font-size:14px}

.steps{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(4,1fr);gap:14px;counter-reset:s}
.steps li{
  counter-increment:s;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:20px;position:relative;
}
.steps li::before{
  content:counter(s,decimal-leading-zero);display:block;font-size:12px;letter-spacing:2px;color:var(--gold-deep);margin-bottom:10px;
}
.steps li b{display:block;font-size:15px}
.steps li span{display:block;font-size:13px;color:var(--muted);margin-top:4px}

.compliance{display:grid;grid-template-columns:2fr 1fr;gap:40px;align-items:start}
.compliance p{color:var(--ink-2);margin:0;font-size:14.5px}
.compliance-actions{display:flex;flex-direction:column;gap:10px}

/* ---------------- 表单 / 登录 ---------------- */
.auth-wrap{min-height:calc(100vh - 260px);display:flex;align-items:center;justify-content:center;padding:20px 0}
.auth-card{
  width:420px;max-width:100%;background:var(--card);border:1px solid var(--line);
  border-radius:18px;padding:34px;box-shadow:var(--shadow);
}
.auth-card h1{font-size:24px;margin:0 0 6px}
.auth-card .sub{color:var(--muted);font-size:13px;margin:0 0 22px}
.form{display:flex;flex-direction:column;gap:14px}
.form.two-col{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.form .span2{grid-column:span 2}
label{display:flex;flex-direction:column;gap:7px;font-size:13px;color:var(--ink-2);font-weight:600}
input,textarea,select{
  font:inherit;font-size:14px;color:var(--ink);background:#fdfcf9;
  border:1px solid var(--line);border-radius:10px;padding:11px 13px;outline:none;transition:.15s;
}
input:focus,textarea:focus,select:focus{border-color:var(--gold);background:#fff;box-shadow:0 0 0 3px rgba(200,161,74,.12)}
textarea{resize:vertical;line-height:1.65}
input[type=file]{padding:8px;background:#fbfaf6}
.form-actions{display:flex;align-items:center;gap:14px}
.hint{font-size:12px;color:var(--muted)}
.auth-foot{margin:18px 0 0;font-size:13px;color:var(--muted)}
.auth-foot a{color:var(--gold-deep);font-weight:600}
.auth-legal{margin:10px 0 0;font-size:11.5px;color:#9a9ea6}
.auth-legal a{text-decoration:underline}

.alert{border-radius:10px;padding:11px 14px;font-size:13px;margin:0 0 16px;border:1px solid}
.alert.err{background:#fdf1ef;border-color:#f0cdc8;color:#a5362c}
.alert.warn{background:#fdf8ec;border-color:#efdfb8;color:#8a6a1f}
.alert.ok{background:#eff8f2;border-color:#c9e6d5;color:#226b45}

/* ---------------- 工作台 ---------------- */
.app-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:28px}
.app-head h1{font-size:30px;margin:0 0 6px;letter-spacing:-.4px}
.app-head .sub{margin:0;color:var(--muted);font-size:13px}
.stats{margin-bottom:26px}
.stat{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:20px 22px}
.stat b{display:block;font-size:30px;line-height:1.2;letter-spacing:-.5px}
.stat span{font-size:12.5px;color:var(--muted);letter-spacing:1px}
.panel{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:24px;margin-bottom:22px;box-shadow:var(--shadow)}
.panel-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px}
.panel-head h2{font-size:17px;margin:0;font-weight:700}
.panel-head .more{font-size:13px;color:var(--muted)}
.panel-head .more:hover{color:var(--gold-deep)}
.panel.note{background:#fcfaf4;border-color:#eee7d5}
.panel.note h2{font-size:15px}
.panel.note ul{margin:0;padding-left:18px;color:var(--ink-2);font-size:13.5px}
.panel.note li{margin:6px 0}
.panel.note p{margin:0;color:var(--ink-2);font-size:13.5px}

.acc-list{list-style:none;margin:0;padding:0}
.acc-list li{display:flex;align-items:center;gap:12px;padding:12px 0;border-bottom:1px solid #f1eee7}
.acc-list li:last-child{border-bottom:0}
.avatar{
  width:36px;height:36px;border-radius:50%;background:#f1ece2;color:var(--gold-deep);
  display:flex;align-items:center;justify-content:center;font-weight:700;flex:none;
}
.acc-main{flex:1;display:flex;flex-direction:column}
.acc-main b{font-size:14px}
.acc-main i{font-size:11.5px;color:var(--muted);font-style:normal;word-break:break-all}

.tag{font-size:12px;padding:3px 10px;border-radius:999px;border:1px solid}
.tag.ok{color:#226b45;background:#eff8f2;border-color:#c9e6d5}
.tag.muted{color:#8a8f97;background:#f4f4f2;border-color:#e6e5e1}

.table{width:100%;border-collapse:collapse;font-size:13.5px}
.table th{text-align:left;color:var(--muted);font-weight:500;font-size:12px;letter-spacing:.5px;padding:10px 8px;border-bottom:1px solid var(--line)}
.table td{padding:12px 8px;border-bottom:1px solid #f4f1ea;vertical-align:middle}
.table tr:last-child td{border-bottom:0}
.table .right{text-align:right}
.table .muted{color:var(--muted)}
.table .small{font-size:12px}
.kv th{width:110px}
.muted{color:var(--muted)}
.empty{padding:26px 0;text-align:center;color:var(--muted);font-size:13.5px}
.empty p{margin:0 0 14px}
.right{text-align:right}

.status{font-size:12px;padding:3px 9px;border-radius:6px;background:#f4f4f2;color:#5c6068;white-space:nowrap}
.status.published,.status.done{background:#eff8f2;color:#226b45}
.status.pending_confirm{background:#fdf8ec;color:#8a6a1f}
.status.blocked,.status.failed{background:#fdf1ef;color:#a5362c}
.status.cancelled{background:#f4f4f2;color:#8a8f97}

/* ---------------- 协议页 ---------------- */
.legal{max-width:760px;margin:0 auto;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:40px 44px;box-shadow:var(--shadow)}
.legal h1{font-size:26px;margin:0 0 6px}
.legal h2{font-size:16px;margin:28px 0 8px}
.legal p{margin:0 0 6px;color:var(--ink-2);font-size:14.5px}

/* ---------------- 页脚 ---------------- */
.foot{border-top:1px solid var(--line);padding:36px 32px 48px;background:#f2efe8}
.foot-inner{max-width:1120px;margin:0 auto;display:grid;grid-template-columns:1.2fr 1fr;gap:10px;align-items:center}
.foot-brand{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--ink-2)}
.foot-meta{display:flex;gap:16px;justify-content:flex-end;flex-wrap:wrap;font-size:12.5px;color:var(--muted)}
.foot-meta a:hover{color:var(--gold-deep)}
.foot-note{grid-column:1/-1;margin:14px 0 0;font-size:11.5px;color:#93979e;line-height:1.7}

/* ---------------- 响应式 ---------------- */
@media (max-width:980px){
  .hero{grid-template-columns:1fr;gap:36px;padding-bottom:36px}
  .hero h1{font-size:36px}
  .grid.three,.steps{grid-template-columns:1fr 1fr}
  .compliance{grid-template-columns:1fr;gap:24px}
  .form.two-col{grid-template-columns:1fr}
  .form .span2{grid-column:auto}
}
@media (max-width:640px){
  .nav{padding:12px 18px;flex-wrap:wrap;gap:12px}
  .nav-links{gap:14px;font-size:13px;flex-wrap:wrap}
  .page{padding:32px 18px 56px}
  .hero h1{font-size:30px}
  .grid.three,.steps{grid-template-columns:1fr}
  .auth-card{padding:24px}
  .legal{padding:24px}
  .foot-inner{grid-template-columns:1fr}
  .foot-meta{justify-content:flex-start}
}