/* ═══════════════════════════════════════
   归航 LaunchBack — 视觉规范对齐 oneaicv.com
   主色 #1B3A5C · CTA #2563EB · 辅助 #10B981 · 警示 #F59E0B
   ═══════════════════════════════════════ */
:root {
  --navy: #1B3A5C;
  --navy-deep: #0F2B46;
  --navy-ink: #0B1220;
  --blue: #2563EB;
  --blue-soft: #EFF6FF;
  --teal: #10B981;
  --teal-soft: #ECFDF5;
  --amber: #F59E0B;
  --amber-soft: #FFFBEB;
  --violet: #7C3AED;
  --violet-soft: #F5F3FF;
  --bg: #FFFFFF;
  --bg-alt: #F8FAFC;
  --line: #E5EAF1;
  --text: #1E293B;
  --text-2: #64748B;
  --radius: 16px;
  --radius-sm: 12px;
  --shadow: 0 1px 2px rgba(15,23,42,.04), 0 8px 24px -12px rgba(15,23,42,.10);
  --shadow-lg: 0 2px 4px rgba(15,23,42,.05), 0 16px 40px -12px rgba(37,99,235,.16);
  --font: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Segoe UI", Roboto, Inter, sans-serif;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
[hidden] { display: none !important; }
html { scroll-behavior: smooth; }
body { font-family: var(--font); color: var(--text); background: var(--bg); line-height: 1.65; -webkit-font-smoothing: antialiased; }
button { font-family: inherit; cursor: pointer; }
a { color: inherit; text-decoration: none; }
textarea, input, select { font-family: inherit; font-size: 14px; }

.container { max-width: 1160px; margin: 0 auto; padding: 0 24px; }
.narrow { max-width: 820px; }
.section { padding: 96px 0; }
.section-kicker { display: inline-block; font-size: 13px; font-weight: 700; letter-spacing: .12em; color: var(--blue); text-transform: uppercase; margin-bottom: 10px; }
.section-title { font-size: 38px; font-weight: 800; color: var(--navy-deep); letter-spacing: -.02em; line-height: 1.25; }
.section-desc { color: var(--text-2); font-size: 16px; margin-top: 10px; max-width: 560px; }

/* ---------- 按钮 ---------- */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 6px; border: none; border-radius: 999px; padding: 10px 22px; font-size: 14px; font-weight: 600; transition: all .18s ease; }
.btn-lg { padding: 14px 30px; font-size: 16px; }
.btn-sm { padding: 6px 14px; font-size: 13px; }
.btn-block { width: 100%; }
.btn-primary { background: var(--blue); color: #fff; box-shadow: 0 6px 18px -6px rgba(37,99,235,.5); }
.btn-primary:hover { background: #1d4fd8; transform: translateY(-1px); }
.btn-outline { background: #fff; color: var(--blue); border: 1.5px solid #BFDBFE; }
.btn-outline:hover { border-color: var(--blue); background: var(--blue-soft); }
.btn-ghost { background: transparent; color: var(--text-2); }
.btn-ghost:hover { background: var(--bg-alt); color: var(--text); }
.btn-amber { background: var(--amber); color: #fff; }
.btn-amber:hover { background: #d97706; }
.btn:disabled { opacity: .55; cursor: not-allowed; transform: none; }

/* ---------- 徽章 ---------- */
.pill { display: inline-flex; align-items: center; gap: 6px; background: var(--blue-soft); color: var(--blue); border: 1px solid #DBEAFE; border-radius: 999px; padding: 6px 14px; font-size: 13px; font-weight: 600; }
.pill-sea { background: linear-gradient(135deg, var(--blue-soft), var(--teal-soft)); color: var(--navy); border-color: #CCFBF1; }
.badge-soft { background: var(--bg-alt); border: 1px solid var(--line); color: var(--text-2); border-radius: 999px; padding: 3px 12px; font-size: 12px; font-weight: 600; }
.badge-live { background: rgba(16,185,129,.15); color: #34D399; border: 1px solid rgba(16,185,129,.35); border-radius: 999px; padding: 3px 12px; font-size: 12px; font-weight: 700; }
.badge-hot { background: var(--amber-soft); color: #B45309; border: 1px solid #FDE68A; border-radius: 999px; padding: 3px 12px; font-size: 12px; font-weight: 700; }

/* ---------- 导航 ---------- */
.nav { position: sticky; top: 0; z-index: 50; background: rgba(255,255,255,.86); backdrop-filter: blur(14px); border-bottom: 1px solid var(--line); }
.nav-inner { max-width: 1160px; margin: 0 auto; padding: 0 24px; height: 64px; display: flex; align-items: center; justify-content: space-between; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 800; font-size: 19px; color: var(--navy-deep); }
.brand-mark { width: 34px; height: 34px; border-radius: 10px; background: linear-gradient(135deg, var(--blue), var(--teal)); color: #fff; display: flex; align-items: center; justify-content: center; }
.brand-mark svg { width: 20px; height: 20px; }
.brand em { font-style: normal; color: var(--text-2); font-weight: 600; font-size: 14px; letter-spacing: .02em; }
.nav-links { display: flex; gap: 30px; }
.nav-links a { font-size: 15px; color: var(--text-2); font-weight: 500; transition: color .15s; }
.nav-links a:hover { color: var(--blue); }
.nav-actions { display: flex; gap: 10px; align-items: center; }
.nav-user { display: flex; align-items: center; gap: 8px; padding: 6px 14px 6px 8px; border: 1px solid var(--line); border-radius: 999px; background: #fff; font-size: 14px; font-weight: 600; }
.nav-user .avatar { width: 28px; height: 28px; border-radius: 50%; background: linear-gradient(135deg, var(--blue), var(--violet)); color: #fff; display: flex; align-items: center; justify-content: center; font-size: 13px; }
.mem-chip { background: linear-gradient(135deg, #F59E0B, #F97316); color: #fff; border-radius: 999px; font-size: 11px; font-weight: 700; padding: 2px 8px; }

/* ---------- HERO ---------- */
.hero { position: relative; background: linear-gradient(180deg, #F8FBFF 0%, #FFFFFF 60%, var(--bg-alt) 100%); overflow: hidden; padding: 84px 0 56px; }
.hero-sky { position: absolute; inset: 0; pointer-events: none; }
.route { width: 100%; height: 100%; opacity: .8; }
.route-line { animation: dashmove 1.2s linear infinite; }
@keyframes dashmove { to { stroke-dashoffset: -40; } }
.hero-inner { position: relative; text-align: center; max-width: 760px; margin: 0 auto; padding: 0 24px; }
.hero-title { font-size: 62px; font-weight: 800; line-height: 1.12; letter-spacing: -.03em; color: var(--navy-ink); margin: 22px 0 18px; }
.grad { background: linear-gradient(100deg, var(--blue) 0%, var(--teal) 100%); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero-sub { font-size: 18px; color: var(--text-2); max-width: 560px; margin: 0 auto 30px; }
.hero-cta { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; margin-bottom: 34px; }

/* 上传区 */
.upload-zone { background: #fff; border: 2px dashed #BFDBFE; border-radius: var(--radius); padding: 26px 30px 24px; max-width: 620px; margin: 0 auto 40px; transition: all .2s; }
.upload-zone:hover, .upload-zone.drag { border-color: var(--blue); box-shadow: var(--shadow-lg); }
.uz-icon { width: 52px; height: 52px; margin: 0 auto 10px; border-radius: 14px; background: var(--blue-soft); color: var(--blue); display: flex; align-items: center; justify-content: center; }
.uz-icon svg { width: 26px; height: 26px; }
.uz-text { font-size: 14px; color: var(--text-2); }
.uz-text b { color: var(--blue); }
.uz-textarea { width: 100%; margin-top: 14px; border: 1px solid var(--line); border-radius: var(--radius-sm); padding: 12px 14px; resize: vertical; line-height: 1.6; background: var(--bg-alt); }
.uz-textarea:focus { outline: none; border-color: var(--blue); background: #fff; box-shadow: 0 0 0 3px rgba(37,99,235,.12); }
.uz-actions { display: flex; align-items: center; justify-content: space-between; margin-top: 14px; }
.uz-hint { font-size: 12px; color: var(--text-2); }
.hero-stats { display: flex; justify-content: center; gap: 56px; flex-wrap: wrap; }
.hero-stats div { text-align: center; }
.hero-stats b { display: block; font-size: 30px; font-weight: 800; color: var(--navy-deep); }
.hero-stats span { font-size: 13px; color: var(--text-2); }

/* ---------- 四步流程 ---------- */
.flow { background: var(--bg); }
.flow-grid { display: flex; align-items: stretch; justify-content: center; gap: 18px; margin-top: 46px; flex-wrap: wrap; }
.flow-step { flex: 1; min-width: 200px; max-width: 250px; background: var(--bg-alt); border: 1px solid var(--line); border-radius: var(--radius); padding: 26px 22px; transition: all .2s; }
.flow-step:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.flow-num { font-size: 26px; font-weight: 800; color: var(--blue); opacity: .85; margin-bottom: 8px; }
.flow-step h4 { font-size: 17px; color: var(--navy-deep); margin-bottom: 6px; }
.flow-step p { font-size: 13.5px; color: var(--text-2); }
.flow-arrow { align-self: center; color: var(--blue); font-size: 22px; font-weight: 700; }

/* ---------- 功能卡片 ---------- */
.features { background: var(--bg-alt); }
.feature-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; margin-top: 44px; }
.feature-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 26px 24px; transition: all .22s; cursor: pointer; }
.feature-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-lg); border-color: #BFDBFE; }
.fc-icon { width: 46px; height: 46px; border-radius: 12px; display: flex; align-items: center; justify-content: center; font-size: 22px; margin-bottom: 14px; }
.c-blue { background: var(--blue-soft); } .c-teal { background: var(--teal-soft); }
.c-amber { background: var(--amber-soft); } .c-violet { background: var(--violet-soft); }
.feature-card h4 { font-size: 17px; color: var(--navy-deep); margin-bottom: 8px; }
.feature-card p { font-size: 13.5px; color: var(--text-2); margin-bottom: 14px; }
.fc-cta { font-size: 13px; font-weight: 700; color: var(--blue); }

/* ---------- 暗色区块 ---------- */
.soon { background: linear-gradient(135deg, var(--navy-ink) 0%, #101D36 60%, #0F2B46 100%); position: relative; overflow: hidden; }
.soon::before { content: ""; position: absolute; inset: 0; background: radial-gradient(600px 300px at 80% 20%, rgba(37,99,235,.25), transparent 60%); }
.soon-kicker { color: #34D399; }
.soon-title { color: #fff; }
.soon-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 44px; position: relative; }
.soon-card { background: rgba(255,255,255,.05); border: 1px solid rgba(255,255,255,.12); border-radius: var(--radius); padding: 28px 24px; backdrop-filter: blur(6px); }
.soon-ico { font-size: 30px; }
.soon-card h4 { color: #fff; font-size: 18px; margin: 10px 0 4px; }
.soon-card p { color: rgba(255,255,255,.6); font-size: 13.5px; margin-bottom: 12px; }

/* ---------- 工作台 ---------- */
.workspace { background: var(--bg); }
.ws-login-tip { text-align: center; background: var(--amber-soft); border: 1px solid #FDE68A; border-radius: var(--radius-sm); padding: 18px; margin: 26px 0; display: flex; flex-direction: column; gap: 10px; align-items: center; }
.ws-login-tip p { color: #92400E; font-weight: 600; }
.ws-toolbar { display: flex; align-items: center; gap: 10px; margin-top: 22px; flex-wrap: wrap; }
.ws-toolbar-hint { font-size: 12.5px; color: var(--text-2); }

/* 求职规划向导 */
.wiz-step { background: var(--bg-alt); border: 1px solid var(--line); border-radius: var(--radius-sm); padding: 24px; }
.wiz-title { display: flex; align-items: center; gap: 10px; font-size: 17px; font-weight: 800; color: var(--navy-deep); }
.wiz-num { width: 28px; height: 28px; border-radius: 50%; background: var(--blue); color: #fff; display: inline-flex; align-items: center; justify-content: center; font-size: 14px; flex-shrink: 0; }
.wiz-desc { font-size: 13.5px; color: var(--text-2); margin: 8px 0 14px; }
.wiz-form { display: flex; flex-direction: column; gap: 14px; margin-top: 14px; }
.wiz-row { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 12px; }
.wiz-field label { display: block; font-size: 12.5px; font-weight: 700; color: var(--text-2); margin-bottom: 6px; }
.wiz-field input, .wiz-field textarea, .wiz-field select { width: 100%; border: 1px solid var(--line); border-radius: 10px; padding: 10px 12px; font-size: 13.5px; background: #fff; }
.wiz-field input:focus, .wiz-field textarea:focus, .wiz-field select:focus { outline: none; border-color: var(--blue); box-shadow: 0 0 0 3px rgba(37,99,235,.12); }
.wiz-hint { font-size: 12px; color: var(--text-2); }
.chip.sel { background: var(--blue); color: #fff; border-color: var(--blue); box-shadow: 0 4px 10px -4px rgba(37,99,235,.5); }
@media (max-width: 720px) { .wiz-row { grid-template-columns: 1fr; } }
.ws-shell { display: grid; grid-template-columns: 280px 1fr; gap: 22px; margin-top: 34px; align-items: start; }
.ws-side { display: flex; flex-direction: column; gap: 14px; position: sticky; top: 84px; }
.ws-resume-card { background: var(--bg-alt); border: 1px solid var(--line); border-radius: var(--radius-sm); padding: 16px; }
.ws-resume-card h5 { font-size: 13px; color: var(--text-2); margin-bottom: 6px; text-transform: uppercase; letter-spacing: .06em; }
.ws-resume-file { font-size: 14px; font-weight: 600; color: var(--navy-deep); word-break: break-all; }
.ws-resume-meta { font-size: 12px; color: var(--text-2); margin: 4px 0 10px; }
.ws-menu { background: var(--bg-alt); border: 1px solid var(--line); border-radius: var(--radius-sm); padding: 8px; display: flex; flex-direction: column; gap: 4px; }
.ws-item { display: flex; align-items: center; gap: 10px; border: none; background: transparent; border-radius: 10px; padding: 11px 14px; font-size: 14px; font-weight: 600; color: var(--text-2); text-align: left; transition: all .15s; }
.ws-item:hover { background: #fff; color: var(--text); }
.ws-item.active { background: var(--blue); color: #fff; box-shadow: 0 6px 16px -6px rgba(37,99,235,.5); }
.ws-quota { display: flex; align-items: center; justify-content: space-between; background: var(--amber-soft); border: 1px solid #FDE68A; border-radius: var(--radius-sm); padding: 12px 14px; font-size: 13px; font-weight: 600; color: #92400E; }
.ws-main { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); min-height: 480px; box-shadow: var(--shadow); overflow: hidden; }
.panel { display: none; padding: 26px; }
.panel.active { display: block; }
.panel-head { display: flex; align-items: center; justify-content: space-between; gap: 10px; margin-bottom: 18px; flex-wrap: wrap; }
.panel-head h3 { font-size: 19px; color: var(--navy-deep); }
.panel-body { display: flex; flex-direction: column; gap: 14px; }
.input-row { display: flex; flex-direction: column; gap: 10px; }
.input-row.inline { flex-direction: row; align-items: center; gap: 10px; flex-wrap: wrap; }
.input-row textarea, .panel-body textarea, .panel-body input, .search-bar input { border: 1px solid var(--line); border-radius: var(--radius-sm); padding: 12px 14px; width: 100%; line-height: 1.6; transition: all .15s; }
.input-row textarea:focus, .panel-body textarea:focus, .panel-body input:focus, .search-bar input:focus { outline: none; border-color: var(--blue); box-shadow: 0 0 0 3px rgba(37,99,235,.12); }
.input-row.inline input { flex: 1; min-width: 160px; }
.input-row.inline label { font-size: 14px; color: var(--text-2); display: flex; align-items: center; gap: 6px; }
.input-row.inline select { border: 1px solid var(--line); border-radius: 10px; padding: 9px 10px; background: #fff; }
.empty-state { text-align: center; color: var(--text-2); font-size: 14px; background: var(--bg-alt); border: 1px dashed var(--line); border-radius: var(--radius-sm); padding: 40px 20px; }

/* 输出卡片 */
.out-cards, #jdResult, #starResult, #compassResult, #cityResult, #searchResult { display: flex; flex-direction: column; gap: 14px; }
.out-card { border: 1px solid var(--line); border-radius: var(--radius-sm); padding: 18px; background: var(--bg-alt); }
.out-card h5 { font-size: 15px; color: var(--navy-deep); margin-bottom: 8px; }
.diag-summary { background: linear-gradient(135deg, var(--blue-soft), var(--teal-soft)); border: 1px solid #DBEAFE; border-radius: var(--radius-sm); padding: 20px; }
.diag-summary h5 { font-size: 16px; color: var(--navy-deep); margin-bottom: 8px; }
.chips { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
.chips > span { font-size: 13px; color: var(--text-2); }
.chip { background: #fff; border: 1px solid var(--line); border-radius: 999px; padding: 6px 14px; font-size: 13px; font-weight: 600; color: var(--navy-deep); cursor: pointer; transition: all .15s; }
.chip:hover { border-color: var(--blue); color: var(--blue); background: var(--blue-soft); }
.followup-list { display: flex; flex-direction: column; gap: 8px; margin-top: 10px; }
.followup-item { display: flex; gap: 10px; align-items: flex-start; background: #fff; border: 1px solid var(--line); border-radius: 10px; padding: 12px 14px; cursor: pointer; transition: all .15s; text-align: left; font-size: 13.5px; }
.followup-item:hover { border-color: var(--blue); box-shadow: var(--shadow); }
.followup-item .q { flex: 1; color: var(--text); }
.followup-item .why { color: var(--text-2); font-size: 12px; margin-top: 2px; }
.conv { border-left: 3px solid var(--blue); background: var(--bg-alt); padding: 14px 16px; border-radius: 0 10px 10px 0; font-size: 13.5px; white-space: pre-wrap; }
.score-ring { display: inline-flex; flex-direction: column; align-items: center; }
.score-ring b { font-size: 30px; font-weight: 800; color: var(--navy-deep); line-height: 1; }
.score-ring span { font-size: 11px; color: var(--text-2); }
.kv-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.kv-grid .kv { background: #fff; border: 1px solid var(--line); border-radius: 10px; padding: 10px 12px; font-size: 13px; }
.kv-grid .kv b { color: var(--navy-deep); display: block; font-size: 12px; margin-bottom: 2px; }
.tag-list { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 6px; }
.tag { background: var(--blue-soft); color: var(--blue); border-radius: 999px; padding: 3px 10px; font-size: 12px; font-weight: 600; }
.tag.green { background: var(--teal-soft); color: #047857; }
.tag.amber { background: var(--amber-soft); color: #B45309; }
.tag.red { background: #FEF2F2; color: #B91C1C; }
.match-bar { height: 10px; border-radius: 999px; background: var(--bg-alt); overflow: hidden; margin: 6px 0; }
.match-bar i { display: block; height: 100%; border-radius: 999px; background: linear-gradient(90deg, var(--blue), var(--teal)); }
.search-result { background: #fff; border: 1px solid var(--line); border-radius: var(--radius-sm); padding: 20px; }
.sr-summary { font-size: 14.5px; line-height: 1.8; white-space: pre-wrap; }
.src-item { display: flex; gap: 10px; background: var(--bg-alt); border: 1px solid var(--line); border-radius: 10px; padding: 10px 12px; font-size: 13px; }
.src-item .idx { background: var(--blue); color: #fff; border-radius: 6px; min-width: 22px; height: 22px; display: flex; align-items: center; justify-content: center; font-size: 12px; font-weight: 700; }
.src-item .nm { font-weight: 700; color: var(--navy-deep); }
.search-bar { display: flex; gap: 10px; }
.search-bar input { flex: 1; }

/* 聊天式 AI 搜索 */
.chat-box { display: flex; flex-direction: column; gap: 14px; max-height: 520px; overflow-y: auto; padding: 4px 2px; }
.chat-empty { text-align: center; color: var(--text-2); font-size: 13.5px; background: var(--bg-alt); border: 1px dashed var(--line); border-radius: var(--radius-sm); padding: 26px 18px; display: flex; flex-direction: column; gap: 14px; align-items: center; }
.chat-empty p { max-width: 420px; }
.msg { display: flex; flex-direction: column; max-width: 92%; animation: pop .25s ease; }
.msg.user { align-self: flex-end; align-items: flex-end; }
.msg.ai { align-self: flex-start; }
.msg .bubble { border-radius: 16px; padding: 12px 16px; font-size: 14px; line-height: 1.75; white-space: pre-wrap; word-break: break-word; }
.msg.user .bubble { background: var(--blue); color: #fff; border-bottom-right-radius: 4px; }
.msg.ai .bubble { background: var(--bg-alt); border: 1px solid var(--line); border-bottom-left-radius: 4px; }
.msg.ai .bubble.caret::after { content: "▍"; color: var(--blue); animation: blink 1s steps(2) infinite; }
@keyframes blink { 50% { opacity: 0; } }
.msg .cards { display: flex; flex-direction: column; gap: 8px; margin-top: 10px; width: 100%; }
.src-item { display: flex; gap: 10px; background: #fff; border: 1px solid var(--line); border-radius: 10px; padding: 10px 12px; font-size: 13px; align-items: flex-start; }
.src-item .idx { background: var(--blue); color: #fff; border-radius: 6px; min-width: 22px; height: 22px; display: flex; align-items: center; justify-content: center; font-size: 12px; font-weight: 700; flex-shrink: 0; }
.src-item .nm { font-weight: 700; color: var(--navy-deep); }
.msg .fup { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 10px; align-items: center; }
.msg .fup > span { font-size: 12.5px; color: var(--text-2); }
.msg .lim { font-size: 12px; color: var(--text-2); margin-top: 8px; }
.msg .lim b { color: var(--amber); }
.copy-btn { float: right; border: 1px solid var(--line); background: #fff; color: var(--text-2); border-radius: 999px; padding: 3px 10px; font-size: 11.5px; cursor: pointer; transition: all .15s; margin-left: 8px; }
.copy-btn:hover { border-color: var(--blue); color: var(--blue); background: var(--blue-soft); }
.ai-caret::after { content: "▍"; color: var(--blue); animation: blink 1s steps(2) infinite; }
.iv-bubble { display: flex; flex-direction: column; gap: 8px; }
.iv-bubble .conv { margin: 0; }
.loading { display: flex; align-items: center; gap: 10px; color: var(--text-2); font-size: 14px; padding: 10px 0; }
.spinner { width: 18px; height: 18px; border: 2.5px solid var(--line); border-top-color: var(--blue); border-radius: 50%; animation: spin .7s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

/* ---------- 信任区 ---------- */
.trust { background: var(--bg-alt); padding: 64px 0; }
.trust-line { text-align: center; color: var(--text-2); font-size: 14px; margin-bottom: 34px; }
.trust-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.trust-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius-sm); text-align: center; padding: 26px 12px; }
.trust-card b { display: block; font-size: 30px; font-weight: 800; color: var(--blue); }
.trust-card span { font-size: 13px; color: var(--text-2); }

/* ---------- 定价 ---------- */
.pricing { background: linear-gradient(180deg, var(--bg) 0%, var(--bg-alt) 100%); }
.price-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; margin-top: 46px; align-items: stretch; }
.price-card { position: relative; background: #fff; border: 1px solid var(--line); border-radius: 20px; padding: 34px 30px; display: flex; flex-direction: column; transition: all .2s; }
.price-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.price-card.hot { border: 2px solid var(--blue); box-shadow: var(--shadow-lg); }
.price-tag { position: absolute; top: -14px; left: 50%; transform: translateX(-50%); background: linear-gradient(135deg, var(--amber), #F97316); color: #fff; font-size: 12px; font-weight: 800; border-radius: 999px; padding: 5px 16px; white-space: nowrap; }
.price-card h4 { font-size: 20px; color: var(--navy-deep); }
.price-num { font-size: 44px; font-weight: 800; color: var(--navy-ink); margin: 10px 0 18px; }
.price-num span { font-size: 14px; font-weight: 500; color: var(--text-2); }
.price-feats { list-style: none; flex: 1; display: flex; flex-direction: column; gap: 9px; margin-bottom: 24px; }
.price-feats li { font-size: 14px; color: var(--text-2); padding-left: 2px; }
.pricing-note { text-align: center; font-size: 12.5px; color: var(--text-2); margin-top: 26px; }

/* ---------- FAQ ---------- */
.faq { background: var(--bg); }
.faq-list { margin-top: 36px; display: flex; flex-direction: column; gap: 12px; }
.faq-item { border: 1px solid var(--line); border-radius: var(--radius-sm); background: #fff; overflow: hidden; }
.faq-item summary { padding: 18px 22px; font-size: 15.5px; font-weight: 700; color: var(--navy-deep); cursor: pointer; list-style: none; display: flex; justify-content: space-between; align-items: center; }
.faq-item summary::after { content: "+"; font-size: 20px; color: var(--blue); font-weight: 700; transition: transform .2s; }
.faq-item[open] summary::after { transform: rotate(45deg); }
.faq-item p { padding: 0 22px 18px; font-size: 14px; color: var(--text-2); }

/* ---------- 页脚 ---------- */
.footer { background: var(--navy-ink); color: rgba(255,255,255,.7); padding: 44px 0; }
.footer-inner { display: flex; justify-content: space-between; align-items: center; gap: 20px; flex-wrap: wrap; }
.footer-brand { color: #fff; font-weight: 800; font-size: 17px; }
.footer-slogan { font-size: 13px; margin-top: 4px; }
.footer-links { display: flex; gap: 22px; align-items: center; font-size: 13.5px; flex-wrap: wrap; }
.footer-links a:hover { color: #fff; }

/* ---------- 弹窗 ---------- */
.modal-mask { position: fixed; inset: 0; background: rgba(11,18,32,.55); backdrop-filter: blur(4px); z-index: 100; display: flex; align-items: center; justify-content: center; padding: 20px; }
.modal { position: relative; background: #fff; border-radius: 20px; padding: 34px 34px 26px; width: 100%; max-width: 420px; box-shadow: var(--shadow-lg); animation: pop .22s ease; }
@keyframes pop { from { transform: translateY(14px) scale(.97); opacity: 0; } to { transform: none; opacity: 1; } }
.modal-close { position: absolute; top: 14px; right: 14px; border: none; background: var(--bg-alt); width: 32px; height: 32px; border-radius: 50%; font-size: 14px; color: var(--text-2); transition: all .15s; }
.modal-close:hover { background: var(--line); color: var(--text); }
.modal h3 { font-size: 22px; color: var(--navy-deep); text-align: center; margin-bottom: 18px; }
.auth-tabs { display: flex; background: var(--bg-alt); border-radius: 999px; padding: 4px; margin-bottom: 20px; }
.auth-tab { flex: 1; border: none; background: transparent; border-radius: 999px; padding: 9px; font-size: 14px; font-weight: 600; color: var(--text-2); }
.auth-tab.active { background: #fff; color: var(--blue); box-shadow: var(--shadow); }
.field { margin-bottom: 14px; }
.field label { display: block; font-size: 13px; font-weight: 600; color: var(--text-2); margin-bottom: 6px; }
.field input { width: 100%; border: 1px solid var(--line); border-radius: var(--radius-sm); padding: 12px 14px; transition: all .15s; }
.field input:focus { outline: none; border-color: var(--blue); box-shadow: 0 0 0 3px rgba(37,99,235,.12); }
.form-err { color: #DC2626; font-size: 13px; min-height: 18px; margin-bottom: 8px; }
.modal-foot { text-align: center; font-size: 12px; color: var(--text-2); margin-top: 16px; }

.pay-modal { max-width: 380px; text-align: center; }
.qr-wrap { background: #fff; border: 2px dashed var(--blue); border-radius: 16px; padding: 18px; margin: 6px 0 12px; display: inline-block; }
.qr-wrap img { width: 200px; height: 200px; border-radius: 8px; background: #fff; }
.qr-tip { font-size: 14px; color: var(--navy-deep); margin-top: 10px; }
.pay-status { font-size: 13.5px; color: var(--text-2); min-height: 20px; }
.pay-amount { font-size: 20px; font-weight: 800; color: var(--amber); margin: 4px 0 14px; }
.pay-amount::before { content: "订单金额 "; font-size: 13px; font-weight: 500; color: var(--text-2); }

/* ---------- 用户菜单 ---------- */
.user-menu { position: fixed; top: 66px; right: 20px; z-index: 60; background: #fff; border: 1px solid var(--line); border-radius: 14px; box-shadow: var(--shadow-lg); width: 240px; padding: 8px; animation: pop .18s ease; }
.um-head { padding: 10px 12px; border-bottom: 1px solid var(--line); margin-bottom: 6px; }
.um-name { font-size: 15px; font-weight: 700; color: var(--navy-deep); }
.um-mem { font-size: 12px; color: var(--amber); font-weight: 700; }
.um-item { display: block; width: 100%; text-align: left; border: none; background: transparent; border-radius: 10px; padding: 10px 12px; font-size: 14px; color: var(--text); transition: all .12s; }
.um-item:hover { background: var(--bg-alt); }
.um-item.danger { color: #DC2626; }
.um-item.danger:hover { background: #FEF2F2; }

/* ---------- Toast ---------- */
.toast { position: fixed; bottom: 30px; left: 50%; transform: translateX(-50%); background: var(--navy-ink); color: #fff; border-radius: 999px; padding: 12px 26px; font-size: 14px; z-index: 200; box-shadow: var(--shadow-lg); animation: pop .25s ease; }
.toast.err { background: #DC2626; }
.toast.ok { background: var(--teal); }

/* ---------- 滚动入场 ---------- */
.reveal { opacity: 0; transform: translateY(22px); transition: opacity .6s ease, transform .6s ease; }
.reveal.in { opacity: 1; transform: none; }

/* ---------- 响应式 ---------- */
@media (max-width: 960px) {
  .feature-grid { grid-template-columns: repeat(2, 1fr); }
  .soon-grid, .price-grid { grid-template-columns: 1fr; max-width: 460px; margin-inline: auto; }
  .ws-shell { grid-template-columns: 1fr; }
  .ws-side { position: static; }
  .hero-title { font-size: 44px; }
  .nav-links { display: none; }
  .kv-grid { grid-template-columns: 1fr; }
  .trust-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 560px) {
  .section { padding: 64px 0; }
  .feature-grid { grid-template-columns: 1fr; }
  .hero-stats { gap: 28px; }
}