/* ============================================================
 * site.css — 官网 / 登录 / 注册 共用样式
 * ------------------------------------------------------------
 * 设计规格来自 Stitch 原型（prototype/landing.html、register.html）：
 *   浅色主体（#f6f7f9 + 白卡 + 玫瑰色强调）、26px 大圆角、
 *   Plus Jakarta Sans 西文 + 系统黑体中文、无图标字体（全部内联 SVG）。
 * 登录 / 注册页沿用原型「深色玻璃卡片」分支，见文件下半部分 .auth-*。
 * ============================================================ */

@font-face {
  font-family: 'Plus Jakarta Sans';
  font-style: normal;
  font-weight: 200 800;
  font-display: swap;
  src: url('../fonts/plus-jakarta-sans.woff2') format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA,
    U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193,
    U+2212, U+2215, U+FEFF, U+FFFD;
}

:root {
  --bg: #f6f7f9;
  --panel: #ffffff;
  --panel-raised: #fbfbfd;
  --surface: #f8f9ff;
  --surface-low: #eff4ff;
  --surface-high: #e0e9f9;
  --line: #e7e9ef;
  --line-soft: #dfe3ea;
  --ink: #171a21;
  --ink2: #4a5361;
  --muted: #838c9b;
  --rose: #d4536f;
  --rose-deep: #b23c57;
  --rose-ink: #a12f49;
  --rose-soft: #fdeef2;
  --rose-wash: #fff8fa;
  --green: #16a34a;
  --teal: #006a66;
  --met: #0e9f9a;
  --blue: #3b7ddd;
  --amber: #d97706;
  --bar: #171a21;
  --preview: #0b0d12;
  --radius: 16px;
  --radius-lg: 26px;
  --pill: 999px;
  --gutter: 20px;
  --font: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI',
    'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
  --shadow-sm: 0 1px 2px rgba(16, 24, 40, .04), 0 4px 16px -8px rgba(16, 24, 40, .10);
  --shadow-md: 0 4px 10px -4px rgba(16, 24, 40, .08), 0 16px 40px -18px rgba(16, 24, 40, .18);
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--ink);
  font-size: 15px;
  line-height: 22px;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }
img, svg { display: block; }
button, input, textarea, select { font: inherit; color: inherit; }
::selection { background: var(--rose-soft); color: var(--rose-ink); }

.wrap { max-width: 1320px; margin: 0 auto; padding: 0 var(--gutter); }
.sec { padding: 64px 0; position: relative; }

/* ---------------- 字体层级（对应原型 type scale） ---------------- */
.h1 { font-size: 44px; line-height: 52px; font-weight: 700; letter-spacing: -.022em; }
.h2 { font-size: 30px; line-height: 40px; font-weight: 700; letter-spacing: -.02em; }
.h3 { font-size: 19px; line-height: 26px; font-weight: 600; letter-spacing: -.01em; }
.h4 { font-size: 17px; line-height: 24px; font-weight: 600; letter-spacing: -.01em; }
.lead { font-size: 16px; line-height: 26px; color: var(--ink2); }
.txt-sm { font-size: 13px; line-height: 20px; color: var(--ink2); }
.txt-xs { font-size: 11px; line-height: 14px; letter-spacing: .04em; color: var(--muted); }
.eyebrow {
  display: block; font-size: 11px; font-weight: 600; letter-spacing: .12em;
  color: var(--rose-ink); text-transform: none; margin-bottom: 10px;
}

/* ---------------- 按钮 ---------------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  border: none; cursor: pointer; font-family: inherit;
  font-size: 15px; font-weight: 600; line-height: 20px;
  padding: 14px 26px; border-radius: var(--pill);
  transition: background .18s, box-shadow .18s, transform .18s, color .18s;
  white-space: nowrap;
}
.btn svg { width: 18px; height: 18px; flex: none; }
.btn-primary {
  background: var(--rose); color: #fff;
  box-shadow: 0 10px 24px -10px rgba(212, 83, 111, .7);
}
.btn-primary:hover { background: var(--rose-deep); transform: translateY(-1px); box-shadow: 0 16px 32px -12px rgba(212, 83, 111, .8); }
.btn-ghost {
  background: var(--panel); color: var(--ink); box-shadow: var(--shadow-sm);
}
.btn-ghost:hover { background: var(--panel-raised); box-shadow: var(--shadow-md); }
.btn-sm { padding: 10px 18px; font-size: 13px; }
.btn:disabled { opacity: .6; cursor: not-allowed; transform: none; }

/* ---------------- 顶部导航 ---------------- */
.site-head {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255, 255, 255, .88);
  backdrop-filter: blur(18px) saturate(1.4);
  -webkit-backdrop-filter: blur(18px) saturate(1.4);
  box-shadow: 0 1px 8px rgba(16, 24, 40, .05);
}
.head-in {
  height: 64px; max-width: 1320px; margin: 0 auto; padding: 0 var(--gutter);
  display: flex; align-items: center; justify-content: space-between; gap: 18px;
}
.brand { display: flex; align-items: center; gap: 11px; flex: none; }
.brand .mark {
  width: 34px; height: 34px; border-radius: 10px; background: var(--rose);
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 4px 12px -4px rgba(212, 83, 111, .6);
}
.brand .mark svg { width: 20px; height: 20px; }
.brand b { font-size: 18px; font-weight: 600; letter-spacing: -.02em; }
.head-nav { display: flex; align-items: center; gap: 4px; }
.head-nav a {
  font-size: 13px; line-height: 20px; font-weight: 500; color: var(--ink2);
  padding: 7px 15px; border-radius: var(--pill); transition: .16s;
}
.head-nav a:hover { color: var(--ink); background: var(--rose-wash); }
.head-nav a.on { background: var(--rose-soft); color: var(--rose-ink); font-weight: 600; }
.head-act { display: flex; align-items: center; gap: 10px; flex: none; }
.head-act .login { font-size: 13px; font-weight: 600; color: var(--rose-ink); padding: 8px 14px; border-radius: var(--pill); transition: .16s; }
.head-act .login:hover { background: var(--rose-soft); color: var(--rose-deep); }

/* ---------------- 顶部状态岛 ---------------- */
.island-wrap { padding: 16px 0 8px; }
.island {
  max-width: 1320px; margin: 0 auto;
  background: var(--bar); color: #fff;
  border-radius: var(--pill);
  padding: 10px 18px;
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  box-shadow: 0 16px 40px -22px rgba(16, 24, 40, .55);
}
.island .live { display: flex; align-items: center; gap: 10px; flex: none; }
.island .dot {
  width: 9px; height: 9px; border-radius: 50%; background: #7ff2ec; flex: none;
  box-shadow: 0 0 0 0 rgba(127, 242, 236, .5); animation: pulse 2.4s infinite;
}
@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(127, 242, 236, .45); }
  70% { box-shadow: 0 0 0 8px rgba(127, 242, 236, 0); }
  100% { box-shadow: 0 0 0 0 rgba(127, 242, 236, 0); }
}
.island .live b { font-size: 13px; font-weight: 600; letter-spacing: -.01em; }
.island .ver {
  font-size: 11px; color: #dae3f4; background: rgba(255, 255, 255, .1);
  padding: 3px 9px; border-radius: var(--pill); white-space: nowrap;
}
.island .mid {
  display: flex; align-items: center; gap: 12px;
  font-size: 11px; color: var(--muted);
  background: rgba(11, 13, 18, .6); padding: 6px 16px; border-radius: var(--pill);
}
.island .mid i { width: 1px; height: 11px; background: rgba(255, 255, 255, .22); display: block; }
.island .mid .k1 { color: var(--met); font-weight: 600; }
.island .mid .k2 { color: #eaf1ff; }
.island .mid .k3 { color: var(--rose); }
.island .go {
  display: inline-flex; align-items: center; gap: 6px; flex: none;
  font-size: 12px; font-weight: 500; color: #fff;
  background: rgba(255, 255, 255, .13); padding: 7px 14px; border-radius: var(--pill);
  transition: .16s;
}
.island .go:hover { background: rgba(255, 255, 255, .24); }
.island .go svg { width: 13px; height: 13px; }

/* ---------------- Hero ---------------- */
.hero { position: relative; overflow: hidden; padding: 40px 0 24px; text-align: center; }
.hero .glow1, .hero .glow2 {
  position: absolute; border-radius: 50%; filter: blur(70px); pointer-events: none; z-index: 0;
}
.hero .glow1 { width: 380px; height: 380px; background: rgba(253, 238, 242, .9); top: -80px; left: 22%; }
.hero .glow2 { width: 320px; height: 320px; background: rgba(230, 238, 255, .8); top: 110px; right: 6%; }
.hero-in { position: relative; z-index: 1; display: flex; flex-direction: column; align-items: center; }
.badge {
  display: inline-flex; align-items: center; gap: 9px;
  background: var(--panel-raised); box-shadow: var(--shadow-sm);
  padding: 8px 17px; border-radius: var(--pill); margin-bottom: 22px;
}
.badge i { width: 7px; height: 7px; border-radius: 50%; background: var(--rose); display: block; }
.badge span { font-size: 13px; font-weight: 600; color: var(--rose-ink); letter-spacing: -.01em; }
.hero h1 { max-width: 860px; margin-bottom: 18px; }
.hero .lead { max-width: 660px; margin-bottom: 30px; }
.hero-cta { display: flex; flex-wrap: wrap; gap: 14px; justify-content: center; margin-bottom: 50px; }

/* 三枚指标卡 */
.metrics {
  width: 100%; max-width: 1040px;
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px;
}
.metric {
  background: var(--panel); border-radius: 18px; padding: 22px;
  box-shadow: var(--shadow-sm);
  display: flex; align-items: center; justify-content: space-between; gap: 14px;
  text-align: left; transition: box-shadow .2s, transform .2s;
}
.metric:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); }
.metric .k { font-size: 11px; letter-spacing: .08em; color: var(--muted); }
.metric .v { display: flex; align-items: baseline; gap: 4px; margin: 3px 0 2px; }
.metric .v b { font-size: 34px; line-height: 40px; font-weight: 700; letter-spacing: -.03em; }
.metric .v span { font-size: 17px; font-weight: 600; letter-spacing: -.01em; }
.metric .d { font-size: 13px; line-height: 19px; color: var(--ink2); }
.metric .ico {
  width: 46px; height: 46px; border-radius: 15px; flex: none;
  display: flex; align-items: center; justify-content: center;
}
.metric .ico svg { width: 22px; height: 22px; }
.i-rose { background: var(--rose-soft); color: var(--rose-ink); }
.i-blue { background: var(--surface-high); color: var(--blue); }
.i-green { background: var(--surface-low); color: var(--green); }
.i-teal { background: #e3f7f6; color: var(--teal); }
.i-amber { background: #fdf3e3; color: var(--amber); }

/* ---------------- 工作台预览（左侧档案卡 + 右侧深色透视 + 悬浮标签） ---------------- */
.preview { padding: 8px 0 56px; }
.preview-panel {
  max-width: 1320px; margin: 0 auto;
  background: var(--surface-low); border-radius: var(--radius-lg);
  padding: 26px; box-shadow: inset 0 1px 0 rgba(255, 255, 255, .8);
  display: grid; grid-template-columns: 1.42fr 1fr; gap: 20px;
}
.p-card {
  background: var(--panel); border-radius: 20px; padding: 22px 24px;
  box-shadow: var(--shadow-sm); display: flex; flex-direction: column;
}
.p-head { display: flex; align-items: flex-start; gap: 13px; margin-bottom: 22px; }
.p-av {
  width: 52px; height: 52px; border-radius: 50%; flex: none;
  background: linear-gradient(135deg, #e58fa2, var(--rose-deep));
  color: #fff; font-size: 19px; font-weight: 700;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 6px 16px -8px rgba(212, 83, 111, .8);
}
.p-head .nm { display: flex; align-items: center; gap: 8px; }
.p-head .nm b { font-size: 17px; font-weight: 600; letter-spacing: -.01em; }
.p-head .nm span {
  font-size: 11px; font-weight: 600; color: var(--rose-ink);
  background: var(--rose-soft); padding: 3px 9px; border-radius: var(--pill);
}
.p-head p { font-size: 13px; color: var(--muted); margin-top: 3px; }
.p-hr { height: 1px; background: var(--line); margin: 0 0 18px; }
.p-label { display: flex; align-items: center; justify-content: space-between; margin-bottom: 10px; }
.p-label b { font-size: 13px; font-weight: 600; color: var(--ink2); }
.p-label span { font-size: 11px; font-weight: 600; color: var(--rose-ink); }
.cadence { display: flex; gap: 5px; margin-bottom: 10px; }
.cadence i { height: 7px; border-radius: var(--pill); display: block; }
.cadence .c1 { flex: 3; background: #5b8def; }
.cadence .c2 { flex: 4; background: #22b79a; }
.cadence .c3 { flex: 3; background: var(--rose); }
.cadence-legend { display: flex; justify-content: space-between; gap: 8px; font-size: 11px; color: var(--muted); margin-bottom: 20px; }
.p-tags { display: flex; gap: 7px; flex-wrap: wrap; margin-bottom: 20px; }
.p-tags span {
  font-size: 11px; color: var(--ink2); background: var(--surface-low);
  padding: 4px 10px; border-radius: var(--pill);
}
.p-foot { margin-top: auto; display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.p-foot a { display: inline-flex; align-items: center; gap: 5px; font-size: 13px; font-weight: 600; color: var(--rose-ink); }
.p-foot a svg { width: 15px; height: 15px; }
.p-foot .dim { font-size: 11px; color: var(--muted); }

.p-dark {
  background: linear-gradient(165deg, #20242e, var(--bar) 60%);
  border-radius: 20px; padding: 22px 24px; color: #fff;
  display: flex; flex-direction: column;
  box-shadow: 0 22px 50px -26px rgba(11, 13, 18, .85);
}
.p-dark .top { display: flex; align-items: center; justify-content: space-between; margin-bottom: 12px; }
.p-dark .top span { font-size: 12px; font-weight: 500; color: #b9c1cf; }
.p-dark .top svg { width: 16px; height: 16px; color: #7d8798; }
.p-dark h4 { font-size: 20px; line-height: 28px; font-weight: 700; letter-spacing: -.02em; margin-bottom: 6px; }
.p-dark .cap { font-size: 12px; line-height: 18px; color: #98a1b0; margin-bottom: 18px; }
.p-dark .row {
  display: flex; align-items: center; gap: 10px;
  background: rgba(255, 255, 255, .05); border-radius: 12px; padding: 11px 13px; margin-bottom: 8px;
}
.p-dark .row .b { width: 7px; height: 7px; border-radius: 50%; background: #f0a35e; flex: none; }
.p-dark .row .b.g { background: #7ff2ec; }
.p-dark .row .t { flex: 1; min-width: 0; font-size: 12.5px; color: #eaf1ff; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.p-dark .row .w { font-size: 11px; color: #7d8798; flex: none; }
.p-dark .syn { margin-top: auto; display: flex; align-items: center; gap: 7px; font-size: 11px; color: #7d8798; padding-top: 14px; }
.p-dark .syn svg { width: 14px; height: 14px; color: var(--met); }

/* ---------------- 通用区块头 ---------------- */
.sec-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 40px; margin-bottom: 34px; }
.sec-head .l { max-width: 620px; }
.sec-head .r { max-width: 460px; font-size: 14px; line-height: 23px; color: var(--ink2); text-align: right; }

/* ---------------- 模块卡（3 列） ---------------- */
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.mod {
  background: var(--panel); border-radius: var(--radius-lg); padding: 26px;
  box-shadow: var(--shadow-sm); display: flex; flex-direction: column;
  transition: box-shadow .2s, transform .2s;
}
.mod:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); }
.mod .top { display: flex; align-items: center; justify-content: space-between; margin-bottom: 22px; }
.mod .ico { width: 44px; height: 44px; border-radius: 14px; display: flex; align-items: center; justify-content: center; }
.mod .ico svg { width: 22px; height: 22px; }
.mod .jump { color: var(--muted); transition: .16s; }
.mod .jump svg { width: 17px; height: 17px; }
.mod:hover .jump { color: var(--rose-ink); transform: translate(2px, -2px); }
.mod .no {
  display: inline-block; font-size: 11px; font-weight: 600; letter-spacing: .06em;
  color: var(--rose-ink); background: var(--rose-soft);
  padding: 4px 10px; border-radius: 7px; margin-bottom: 12px; align-self: flex-start;
}
.mod h3 { font-size: 20px; line-height: 28px; font-weight: 700; letter-spacing: -.02em; margin-bottom: 10px; }
.mod p { font-size: 13.5px; line-height: 22px; color: var(--ink2); margin-bottom: 16px; }
.mod ul { list-style: none; display: flex; flex-direction: column; gap: 9px; margin-bottom: 20px; }
.mod li { display: flex; gap: 8px; font-size: 12.5px; line-height: 19px; color: var(--ink2); }
.mod li i { width: 5px; height: 5px; border-radius: 50%; background: var(--rose); flex: none; margin-top: 7px; }
.mod .foot {
  margin-top: auto; padding-top: 15px; border-top: 1px solid var(--line);
  display: flex; align-items: center; justify-content: space-between; gap: 10px;
  font-size: 12px; color: var(--muted);
}
.mod .foot b { color: var(--ink); font-weight: 600; }
.mod .foot .accent { color: var(--muted); }

/* ---------------- 复盘三页（浅蓝底） ---------------- */
.alt-bg { background: var(--surface-low); }
.rev {
  background: var(--panel); border-radius: var(--radius-lg); padding: 22px;
  box-shadow: var(--shadow-sm); display: flex; flex-direction: column;
}
.rev .chiprow { display: flex; align-items: center; justify-content: space-between; margin-bottom: 14px; }
.rev .chip { font-size: 11px; font-weight: 600; padding: 4px 10px; border-radius: 7px; }
.rev .chiprow span:last-child { font-size: 11px; color: var(--muted); }
.chip-rose { background: var(--rose-soft); color: var(--rose-ink); }
.chip-amber { background: #fdf3e3; color: var(--amber); }
.chip-green { background: #e8f8ee; color: var(--green); }
.rev h3 { font-size: 19px; line-height: 26px; font-weight: 700; letter-spacing: -.015em; margin-bottom: 8px; }
.rev p { font-size: 12.5px; line-height: 20px; color: var(--ink2); margin-bottom: 16px; }
.rev .list { display: flex; flex-direction: column; gap: 8px; margin-bottom: 18px; }
.rev .item {
  display: flex; gap: 10px; align-items: flex-start;
  background: var(--surface-low); border-radius: 12px; padding: 11px 12px;
}
.rev .item .n {
  width: 22px; height: 22px; border-radius: 50%; flex: none;
  background: var(--rose-soft); color: var(--rose-ink);
  font-size: 10px; font-weight: 700; display: flex; align-items: center; justify-content: center;
}
.rev .item .b { flex: 1; min-width: 0; }
.rev .item .b b { display: block; font-size: 12px; font-weight: 600; margin-bottom: 2px; }
.rev .item .b span { font-size: 11px; line-height: 17px; color: var(--muted); }
.rev .item .w { font-size: 10.5px; color: var(--muted); flex: none; }
.rev .check { display: flex; align-items: center; gap: 9px; font-size: 12px; color: var(--ink2); padding: 9px 0; }
.rev .check svg { width: 17px; height: 17px; flex: none; }
.rev .check .ok { color: var(--green); }
.rev .check .pend { color: var(--amber); }
.rev .check .st { margin-left: auto; font-size: 11px; font-weight: 600; }
.rev .meter { margin-bottom: 6px; }
.rev .meter .bar { height: 6px; border-radius: var(--pill); background: var(--surface-high); overflow: hidden; }
.rev .meter .bar i { display: block; height: 100%; width: 75%; background: var(--green); border-radius: var(--pill); }
.rev .meter .num { display: flex; align-items: baseline; justify-content: space-between; margin-top: 8px; }
.rev .meter .num span { font-size: 11.5px; color: var(--muted); }
.rev .meter .num b { font-size: 22px; font-weight: 700; color: var(--green); letter-spacing: -.02em; }
.rev .funnel { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; margin-top: 8px; }
.rev .funnel div { background: var(--surface-low); border-radius: 10px; padding: 9px 11px; }
.rev .funnel span { font-size: 10.5px; color: var(--muted); display: block; }
.rev .funnel b { font-size: 12.5px; font-weight: 600; }
.rev .foot {
  margin-top: auto; padding-top: 14px; border-top: 1px solid var(--line);
  display: flex; justify-content: space-between; gap: 10px; font-size: 11.5px; color: var(--muted);
}
.rev .foot b { color: var(--ink2); font-weight: 600; }

/* ---------------- 数据安全四卡 ---------------- */
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.safe {
  background: var(--panel); border-radius: var(--radius-lg); padding: 22px;
  box-shadow: var(--shadow-sm); display: flex; flex-direction: column;
  transition: box-shadow .2s, transform .2s;
}
.safe:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); }
.safe .ico { width: 42px; height: 42px; border-radius: 13px; display: flex; align-items: center; justify-content: center; margin-bottom: 16px; }
.safe .ico svg { width: 20px; height: 20px; }
.safe h3 { font-size: 16px; line-height: 24px; font-weight: 700; letter-spacing: -.015em; margin-bottom: 8px; }
.safe p { font-size: 12.5px; line-height: 21px; color: var(--ink2); margin-bottom: 14px; }
.safe .tag { margin-top: auto; display: flex; align-items: center; gap: 6px; font-size: 11.5px; color: var(--green); font-weight: 600; }
.safe .tag svg { width: 14px; height: 14px; }

/* ---------------- 三步上手 + 隐私承诺 ---------------- */
.onboard {
  background: var(--panel); border-radius: 32px; padding: 44px 40px 38px;
  box-shadow: var(--shadow-sm); text-align: center;
}
.onboard .h2 { margin-bottom: 12px; }
.onboard .lead { max-width: 640px; margin: 0 auto 34px; }
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin-bottom: 30px; text-align: center; }
.step { background: var(--surface-low); border-radius: 18px; padding: 26px 20px; }
.step .n {
  width: 34px; height: 34px; border-radius: 50%; margin: 0 auto 14px;
  display: flex; align-items: center; justify-content: center;
  font-size: 14px; font-weight: 700; color: #fff;
}
.step:nth-child(1) .n { background: var(--rose); }
.step:nth-child(2) .n { background: var(--blue); }
.step:nth-child(3) .n { background: var(--green); }
.step h3 { font-size: 16px; font-weight: 700; letter-spacing: -.015em; margin-bottom: 8px; }
.step p { font-size: 12.5px; line-height: 20px; color: var(--ink2); }
.promise {
  display: flex; align-items: center; gap: 16px; text-align: left;
  background: var(--panel-raised); border-radius: 18px; padding: 20px 24px;
}
.promise .ico { width: 40px; height: 40px; border-radius: 13px; background: #e3f7f6; color: var(--teal); display: flex; align-items: center; justify-content: center; flex: none; }
.promise .ico svg { width: 20px; height: 20px; }
.promise .b { flex: 1; min-width: 0; }
.promise b { display: block; font-size: 15px; font-weight: 700; letter-spacing: -.015em; margin-bottom: 4px; }
.promise p { font-size: 12.5px; line-height: 20px; color: var(--ink2); }

/* ---------------- 页脚 ---------------- */
.site-foot { border-top: 1px solid var(--line); padding: 30px 0 34px; background: var(--panel); }
.foot-in {
  max-width: 1320px; margin: 0 auto; padding: 0 var(--gutter);
  display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap;
}
.foot-in .l { display: flex; align-items: center; gap: 8px; font-size: 11.5px; color: var(--muted); }
.foot-in .l .mark { width: 28px; height: 28px; border-radius: 8px; background: var(--rose); display: flex; align-items: center; justify-content: center; }
.foot-in .l .mark svg { width: 16px; height: 16px; }
.foot-in .r { display: flex; align-items: center; gap: 20px; font-size: 11.5px; color: var(--muted); flex-wrap: wrap; }
.foot-in .r a:hover { color: var(--rose-ink); }

/* ---------------- 底部悬浮跳转条 ---------------- */
.dock {
  position: fixed; left: 50%; bottom: 22px; transform: translateX(-50%);
  z-index: 40; display: flex; align-items: center; gap: 14px;
  background: rgba(23, 26, 33, .94); color: #fff;
  border-radius: var(--pill); padding: 9px 12px 9px 18px;
  box-shadow: 0 20px 44px -20px rgba(11, 13, 18, .8);
  backdrop-filter: blur(12px); font-size: 11.5px; color: #d7dce5;
}
.dock .v { color: #8b94a3; white-space: nowrap; }
.dock i { width: 1px; height: 12px; background: rgba(255, 255, 255, .16); display: block; }
.dock a { display: inline-flex; align-items: center; gap: 6px; transition: color .16s; white-space: nowrap; }
.dock a:hover { color: #fff; }
.dock a svg { width: 14px; height: 14px; color: #8b94a3; }
.dock .up {
  width: 28px; height: 28px; border-radius: 50%; background: rgba(255, 255, 255, .12);
  display: flex; align-items: center; justify-content: center; margin-left: 4px;
}
.dock .up svg { width: 15px; height: 15px; color: #fff; }

/* ============================================================
 * 登录 / 注册 / 找回密码 —— 深色玻璃卡片（原型 register 分支）
 * ============================================================ */
.auth-body {
  min-height: 100vh; background: var(--preview); color: #fff;
  display: flex; flex-direction: column; align-items: center;
  padding: 24px 20px 48px;
  position: relative; overflow-x: hidden;
}
.auth-glow { position: fixed; inset: 0; pointer-events: none; z-index: 0; overflow: hidden; }
.auth-glow i { position: absolute; display: block; border-radius: 50%; filter: blur(90px); }
.auth-glow .g1 {
  width: 560px; height: 560px; top: -140px; left: -90px;
  background: radial-gradient(circle at 30% 30%, rgba(212, 83, 111, .34), rgba(165, 48, 77, .10) 60%, transparent 72%);
}
.auth-glow .g2 {
  width: 600px; height: 600px; top: 22%; right: -160px;
  background: radial-gradient(circle at 60% 50%, rgba(46, 115, 211, .22), rgba(0, 106, 102, .10) 60%, transparent 72%);
}
.auth-glow .g3 {
  width: 620px; height: 620px; bottom: -220px; left: 18%;
  background: radial-gradient(circle at 50% 40%, rgba(178, 60, 87, .24), rgba(14, 159, 154, .08) 60%, transparent 72%);
}
.auth-top {
  margin-top: auto;
  width: 100%; max-width: 456px; z-index: 2;
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  margin-bottom: 20px;
}
.auth-top .back {
  display: inline-flex; align-items: center; gap: 7px;
  font-size: 12px; color: #b3bbc8; background: rgba(224, 233, 249, .07);
  border-radius: var(--pill); padding: 8px 15px; transition: .18s;
}
.auth-top .back:hover { background: rgba(224, 233, 249, .14); color: #fff; }
.auth-top .back svg { width: 16px; height: 16px; transition: transform .18s; }
.auth-top .back:hover svg { transform: translateX(-2px); }
.auth-top .lock {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 11px; color: #9aa3b2; background: rgba(224, 233, 249, .07);
  border-radius: var(--pill); padding: 6px 12px;
}
.auth-top .lock i { width: 6px; height: 6px; border-radius: 50%; background: var(--green); display: block; animation: pulse 2.4s infinite; }

.auth-card {
  position: relative; z-index: 2;
  width: 100%; max-width: 456px;
  background: rgba(23, 26, 33, .92);
  border: 1px solid rgba(255, 255, 255, .07);
  border-radius: 26px; padding: 34px 30px 30px;
  box-shadow: 0 40px 100px -40px rgba(0, 0, 0, .9);
  backdrop-filter: blur(24px);
}
.auth-card::before {
  content: ''; position: absolute; top: 0; left: 52px; right: 52px; height: 1px;
  background: linear-gradient(90deg, transparent, rgba(212, 83, 111, .65), transparent);
}
.auth-head { display: flex; flex-direction: column; align-items: center; text-align: center; margin-bottom: 26px; }
.auth-logo {
  position: relative; width: 54px; height: 54px; border-radius: 17px; margin-bottom: 15px;
  background: linear-gradient(150deg, var(--rose), var(--rose-deep));
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 12px 28px -14px rgba(212, 83, 111, .95);
}
.auth-logo svg { width: 26px; height: 26px; }
.auth-logo .ok {
  position: absolute; right: -5px; bottom: -5px; width: 18px; height: 18px; border-radius: 50%;
  background: var(--met); color: #fff; font-size: 10px; font-weight: 700;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 0 0 3px rgba(23, 26, 33, .95);
}
.auth-head h1 { font-size: 19px; line-height: 26px; font-weight: 600; letter-spacing: -.01em; }
.auth-head p { font-size: 13px; line-height: 20px; color: #8b94a3; margin-top: 5px; }

/* 表单 */
.field { display: flex; flex-direction: column; gap: 6px; margin-bottom: 15px; }
.field .lab { display: flex; align-items: center; justify-content: space-between; gap: 10px; }
.field .lab span { font-size: 12px; font-weight: 500; color: var(--surface-high); }
.field .lab em { font-size: 11px; font-style: normal; color: #7d8798; }
.field .lab em.warn { color: var(--amber); }
.inp {
  position: relative; display: flex; align-items: center;
  background: rgba(11, 13, 18, .62); border: 1px solid transparent;
  border-radius: 13px; height: 46px; transition: .18s;
}
.inp:focus-within { background: rgba(11, 13, 18, .9); border-color: rgba(212, 83, 111, .55); box-shadow: 0 0 0 3px rgba(212, 83, 111, .16); }
.inp > svg { width: 18px; height: 18px; color: #7d8798; flex: none; margin: 0 9px 0 13px; }
.inp input {
  flex: 1; min-width: 0; height: 100%; background: transparent; border: none; outline: none;
  color: #fff; font-size: 13.5px; padding-right: 12px;
}
.inp input::placeholder { color: #6d7686; }
.inp .eye {
  background: none; border: none; cursor: pointer; color: #7d8798; padding: 0 12px;
  display: flex; align-items: center; height: 100%; transition: color .16s;
}
.inp .eye:hover { color: #cfd6e2; }
.inp .eye svg { width: 18px; height: 18px; }
.inp .state { padding: 0 12px; display: flex; align-items: center; color: #7d8798; }
.inp .state.ok { color: var(--green); }
.inp .state svg { width: 18px; height: 18px; }
.inp .send {
  flex: none; height: 32px; margin-right: 7px; padding: 0 12px;
  border: none; border-radius: 9px; cursor: pointer;
  background: rgba(224, 233, 249, .13); color: #cfd6e2;
  font-size: 11.5px; font-weight: 500; white-space: nowrap; transition: .16s;
}
.inp .send:hover:not(:disabled) { background: rgba(224, 233, 249, .22); color: #fff; }
.inp .send:disabled { opacity: .55; cursor: not-allowed; }
.hint { font-size: 11px; line-height: 17px; color: #7d8798; padding-left: 3px; }

.alert { display: none; border-radius: 11px; padding: 10px 13px; font-size: 12px; line-height: 18px; margin-bottom: 14px; }
.alert.show { display: block; }
.alert.err { color: #ff9aa8; background: rgba(212, 83, 111, .12); border: 1px solid rgba(212, 83, 111, .34); }
.alert.ok { color: #86efac; background: rgba(22, 163, 74, .12); border: 1px solid rgba(22, 163, 74, .32); }

.row-between { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin: 2px 0 20px; }
.chk { display: flex; align-items: flex-start; gap: 8px; font-size: 12px; color: #9aa3b2; cursor: pointer; user-select: none; line-height: 19px; }
.chk input { width: 14px; height: 14px; margin-top: 2px; accent-color: var(--rose); cursor: pointer; flex: none; }
.chk a { color: var(--rose); }
.chk a:hover { text-decoration: underline; }
.link-sm { font-size: 12px; color: var(--rose); transition: .16s; }
.link-sm:hover { color: #ff8fa3; }

.btn-block {
  width: 100%; height: 46px; border: none; border-radius: 13px; cursor: pointer;
  background: linear-gradient(100deg, var(--rose), #c64865);
  color: #fff; font-size: 14px; font-weight: 600; letter-spacing: -.01em;
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  box-shadow: 0 14px 30px -14px rgba(212, 83, 111, .95);
  transition: transform .16s, box-shadow .16s, opacity .16s;
}
.btn-block:hover:not(:disabled) { transform: translateY(-1px); box-shadow: 0 18px 36px -14px rgba(212, 83, 111, 1); }
.btn-block:disabled { opacity: .62; cursor: not-allowed; transform: none; }

.auth-foot { margin-top: 20px; text-align: center; font-size: 12.5px; color: #8b94a3; }
.auth-foot a { color: var(--rose); font-weight: 600; }
.auth-foot a:hover { text-decoration: underline; }
.auth-note {
  margin-top: 18px; padding: 11px 13px; border-radius: 11px;
  border: 1px dashed rgba(139, 149, 165, .26);
  font-size: 11.5px; line-height: 18px; color: #7d8798; text-align: center;
}
.auth-note b { color: #a8b2c1; font-weight: 600; }
.auth-bottom { margin-top: 22px; margin-bottom: auto; font-size: 11px; color: #5f6878; text-align: center; z-index: 2; }

/* ---------------- 响应式 ---------------- */
@media (max-width: 1080px) {
  .preview-panel { grid-template-columns: 1fr; }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .metrics { grid-template-columns: 1fr; max-width: 560px; }
  .sec-head { flex-direction: column; align-items: flex-start; gap: 12px; }
  .sec-head .r { text-align: left; max-width: none; }
  .island .mid { display: none; }
}
@media (max-width: 900px) {
  .head-nav { display: none; }
  .h1 { font-size: 30px; line-height: 38px; }
  .h2 { font-size: 24px; line-height: 33px; }
  .grid-3 { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr; }
  .hero { padding: 28px 0 16px; }
  .hero-cta { margin-bottom: 34px; }
  .sec { padding: 48px 0; }
  .onboard { padding: 32px 22px 26px; border-radius: 22px; }
  .dock { display: none; }
  .promise { flex-wrap: wrap; }
  .promise .btn { width: 100%; }
}
@media (max-width: 640px) {
  .h1 { font-size: 26px; line-height: 34px; }
  .head-act .login { display: none; }
  .grid-4 { grid-template-columns: 1fr; }
  .foot-in { flex-direction: column; align-items: flex-start; gap: 12px; }
  .island { flex-wrap: wrap; padding: 10px 14px; gap: 10px; }
  .auth-card { padding: 28px 20px 24px; }
  .preview-panel { padding: 16px; }
}

/* ============================================================
 * 条款 / 隐私政策 —— 浅色长文页
 * ============================================================ */
.doc-body { min-height: 100vh; background: var(--bg); }
.doc-wrap { max-width: 800px; margin: 0 auto; padding: 34px 24px 80px; }
.doc-top { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 20px; }
.doc-back {
  display: inline-flex; align-items: center; gap: 7px; font-size: 12.5px; font-weight: 500;
  color: var(--ink2); background: var(--panel); border-radius: var(--pill);
  padding: 9px 16px; box-shadow: var(--shadow-sm); transition: .16s;
}
.doc-back:hover { color: var(--rose-ink); }
.doc-back svg { width: 15px; height: 15px; }
.doc-card {
  background: var(--panel); border-radius: var(--radius-lg);
  padding: 40px 42px 44px; box-shadow: var(--shadow-sm);
}
.doc-card h1 { font-size: 26px; line-height: 34px; font-weight: 700; letter-spacing: -.02em; }
.doc-meta { font-size: 12px; color: var(--muted); margin: 8px 0 6px; }
.doc-card h2 {
  font-size: 15px; font-weight: 700; letter-spacing: -.01em;
  color: var(--rose-ink); margin: 26px 0 8px;
}
.doc-card p, .doc-card li { font-size: 13.5px; line-height: 23px; color: var(--ink2); }
.doc-card ul { margin: 6px 0 0 18px; }
.doc-card li { margin: 4px 0; }
.doc-card b { color: var(--ink); font-weight: 600; }
.doc-foot { margin-top: 36px; padding-top: 18px; border-top: 1px solid var(--line); font-size: 11.5px; color: var(--muted); }
@media (max-width: 640px) {
  .doc-card { padding: 28px 20px 30px; border-radius: 20px; }
}