/* ============================================================
   HUWO 呼我 · 官网主样式
   部署：https://www.hu-wo.com（nginx 同域静态站）
   设计：深色 Hero（#0A0E1A）+ 亮色内容区；科技蓝→紫渐变点缀
   移动优先响应式；系统字体栈，无第三方字体阻塞
   ============================================================ */

:root {
  --bg-dark: #0a0e1a;
  --bg-dark-2: #111830;
  --surface: #ffffff;
  --surface-alt: #f5f7fb;
  --text-dark: #141a2b;
  --text-light: #f2f5fa;
  --muted: #5a6478;
  --muted-light: #9aa6bf;
  --primary: #2e5bff;
  --primary-2: #8b5cf6;
  --gradient: linear-gradient(120deg, #2e5bff 0%, #7c4dff 55%, #a855f7 100%);
  --border: #e4e8f1;
  --border-dark: rgba(255, 255, 255, 0.12);
  --radius: 14px;
  --radius-lg: 20px;
  --shadow: 0 10px 30px rgba(10, 14, 26, 0.08);
  --shadow-lg: 0 24px 60px rgba(10, 14, 26, 0.16);
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", "Helvetica Neue",
    Arial, sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  color: var(--text-dark);
  background: var(--surface);
  line-height: 1.7;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }

a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }

ul, ol { list-style: none; }

.container { width: min(1160px, 92%); margin: 0 auto; }

.skip-link {
  position: absolute; left: -9999px; top: 0; z-index: 200;
  background: var(--primary); color: #fff; padding: 10px 18px; border-radius: 0 0 8px 0;
}
.skip-link:focus { left: 0; }

/* ---------- 通用区块 ---------- */
.section { padding: 64px 0; }
.section-alt { background: var(--surface-alt); }
.section-dark { background: var(--bg-dark); color: var(--text-light); }
.section-dark .muted { color: var(--muted-light); }

.section-head { max-width: 720px; margin-bottom: 40px; }
.section-head.center { margin-left: auto; margin-right: auto; text-align: center; }
.kicker {
  display: inline-block; font-size: 13px; font-weight: 700; letter-spacing: 0.12em;
  text-transform: uppercase; color: var(--primary); margin-bottom: 12px;
}
.section-dark .kicker { color: #8ea6ff; }
.section-head h2 { font-size: clamp(26px, 4vw, 36px); line-height: 1.25; letter-spacing: -0.01em; }
.lead { color: var(--muted); margin-top: 12px; font-size: 17px; }
.muted { color: var(--muted); }
.muted-light { color: var(--muted-light); }

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 13px 26px; border-radius: 999px; font-weight: 600; font-size: 15.5px;
  border: 1px solid transparent; cursor: pointer; transition: transform 0.15s ease, box-shadow 0.15s ease;
}
.btn:hover { text-decoration: none; transform: translateY(-1px); }
.btn-primary { background: var(--gradient); color: #fff; box-shadow: 0 8px 24px rgba(46, 91, 255, 0.35); }
.btn-primary:hover { box-shadow: 0 12px 30px rgba(124, 77, 255, 0.45); }
.btn-ghost { border-color: var(--border); color: inherit; background: transparent; }
.btn-ghost:hover { border-color: var(--primary); color: var(--primary); }
.section-dark .btn-ghost, .hero .btn-ghost { border-color: var(--border-dark); color: var(--text-light); }
.section-dark .btn-ghost:hover, .hero .btn-ghost:hover { border-color: #8ea6ff; color: #8ea6ff; }
.btn-sm { padding: 9px 18px; font-size: 14px; }
.btn-lg { padding: 15px 32px; font-size: 17px; }
.btn-row { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 28px; }

/* ---------- 头部导航 ---------- */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(10, 14, 26, 0.92); backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border-dark);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; gap: 16px; min-height: 64px; }
.brand { display: inline-flex; align-items: center; gap: 10px; color: var(--text-light); font-weight: 700; }
.brand:hover { text-decoration: none; }
.brand-mark {
  width: 34px; height: 34px; border-radius: 9px; background: var(--gradient);
  display: inline-flex; align-items: center; justify-content: center;
  color: #fff; font-size: 17px; font-weight: 800;
}
.brand-name { font-size: 17px; letter-spacing: 0.02em; }
.brand-name small { display: block; font-size: 10.5px; font-weight: 500; color: var(--muted-light); letter-spacing: 0.08em; }

.main-nav { display: none; }
.header-actions { display: flex; align-items: center; gap: 12px; }
.lang-switch {
  color: var(--text-light); font-size: 14px; font-weight: 600;
  border: 1px solid var(--border-dark); border-radius: 999px; padding: 6px 14px;
}
.lang-switch:hover { text-decoration: none; border-color: #8ea6ff; color: #8ea6ff; }

.nav-toggle {
  display: inline-flex; flex-direction: column; justify-content: center; gap: 5px;
  width: 42px; height: 42px; padding: 10px; background: transparent;
  border: 1px solid var(--border-dark); border-radius: 10px; cursor: pointer;
}
.nav-toggle span { display: block; height: 2px; background: var(--text-light); border-radius: 2px; transition: transform 0.2s ease, opacity 0.2s ease; }
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* 移动端展开菜单 */
.main-nav.open {
  display: flex; flex-direction: column; position: absolute; left: 0; right: 0; top: 64px;
  background: var(--bg-dark); border-bottom: 1px solid var(--border-dark);
  padding: 12px 4% 20px; gap: 4px;
}
.main-nav.open > a, .main-nav.open .nav-drop-btn {
  display: block; width: 100%; text-align: left; padding: 12px 8px;
  color: var(--text-light); font-size: 16px; background: none; border: none; cursor: pointer;
}
.nav-drop { position: relative; }
.nav-drop-menu { display: none; }
.nav-drop.open .nav-drop-menu { display: block; padding: 4px 0 6px 16px; }
.nav-drop-menu a { display: block; padding: 9px 8px; color: var(--muted-light); font-size: 15px; }

@media (min-width: 1024px) {
  .nav-toggle { display: none; }
  .main-nav { display: flex; align-items: center; gap: 26px; }
  .main-nav > a { color: var(--text-light); font-size: 15px; opacity: 0.88; }
  .main-nav > a:hover, .main-nav > a[aria-current="page"] { opacity: 1; color: #8ea6ff; text-decoration: none; }
  .nav-drop-btn {
    color: var(--text-light); font-size: 15px; background: none; border: none;
    cursor: pointer; opacity: 0.88; display: inline-flex; align-items: center; gap: 6px; padding: 0;
  }
  .nav-drop-btn::after { content: ""; border-left: 5px solid transparent; border-right: 5px solid transparent; border-top: 6px solid currentColor; }
  .nav-drop { padding: 8px 0; }
  .nav-drop-menu {
    display: none; position: absolute; top: 100%; left: -14px; min-width: 190px;
    background: var(--bg-dark-2); border: 1px solid var(--border-dark);
    border-radius: 12px; padding: 8px; box-shadow: var(--shadow-lg);
  }
  .nav-drop:hover .nav-drop-menu, .nav-drop:focus-within .nav-drop-menu { display: block; }
  .nav-drop.open .nav-drop-menu { display: block; position: static; border: none; box-shadow: none; background: transparent; padding: 4px 0 6px 16px; }
  .nav-drop-menu a { color: var(--muted-light); font-size: 14.5px; padding: 9px 12px; border-radius: 8px; }
  .nav-drop-menu a:hover { background: rgba(255, 255, 255, 0.06); color: var(--text-light); text-decoration: none; }
}

/* ---------- Hero ---------- */
.hero {
  position: relative; overflow: hidden; color: var(--text-light);
  background: radial-gradient(900px 480px at 80% -10%, rgba(124, 77, 255, 0.28), transparent 60%),
    radial-gradient(700px 420px at 5% 110%, rgba(46, 91, 255, 0.22), transparent 60%),
    var(--bg-dark);
  padding: 72px 0 64px;
}
.hero-grid { display: grid; gap: 44px; align-items: center; }
.hero h1 { font-size: clamp(30px, 5.4vw, 52px); line-height: 1.18; letter-spacing: -0.015em; }
.hero h1 .grad { background: linear-gradient(100deg, #6ea8ff, #b78bff); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero .sub { margin-top: 18px; font-size: 17.5px; color: var(--muted-light); max-width: 560px; }
.hero .en-tagline { margin-top: 14px; color: #8ea6ff; font-size: 14.5px; letter-spacing: 0.04em; }
.hero-visual { position: relative; }
.hero-visual img { border-radius: var(--radius-lg); box-shadow: var(--shadow-lg); border: 1px solid var(--border-dark); }
.hero-visual .float-tag {
  position: absolute; bottom: 14px; left: 14px; right: 14px;
  background: rgba(10, 14, 26, 0.78); backdrop-filter: blur(8px);
  border: 1px solid var(--border-dark); border-radius: 12px;
  padding: 10px 14px; font-size: 12.5px; color: var(--muted-light);
}
@media (min-width: 960px) { .hero-grid { grid-template-columns: 1.05fr 0.95fr; } .hero { padding: 96px 0 88px; } }

/* 信任数字条（能力性表述） */
.trust-strip {
  margin-top: 44px; display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px;
  border: 1px solid var(--border-dark); border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.03); padding: 20px;
}
.trust-strip .ts-item { text-align: center; padding: 8px 4px; }
.trust-strip b { display: block; font-size: 19px; background: linear-gradient(100deg, #6ea8ff, #b78bff); -webkit-background-clip: text; background-clip: text; color: transparent; }
.trust-strip span { font-size: 12.5px; color: var(--muted-light); }
@media (min-width: 720px) { .trust-strip { grid-template-columns: repeat(4, 1fr); } }

/* ---------- 页内 Hero（子页面） ---------- */
.page-hero {
  position: relative; overflow: hidden; color: var(--text-light);
  background: radial-gradient(800px 400px at 85% -20%, rgba(124, 77, 255, 0.25), transparent 60%), var(--bg-dark);
  padding: 64px 0 56px;
}
.page-hero h1 { font-size: clamp(26px, 4.4vw, 42px); line-height: 1.2; letter-spacing: -0.01em; }
.page-hero .sub { margin-top: 14px; color: var(--muted-light); font-size: 16.5px; max-width: 680px; }
.breadcrumb { font-size: 13px; color: var(--muted-light); margin-bottom: 16px; }
.breadcrumb a { color: var(--muted-light); }

/* ---------- 9:16 视频卡 ---------- */
.video-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
@media (min-width: 720px) { .video-grid { grid-template-columns: repeat(3, 1fr); } }
@media (min-width: 1024px) { .video-grid { grid-template-columns: repeat(5, 1fr); } }

.video-card {
  position: relative; aspect-ratio: 9 / 16; border-radius: 16px; overflow: hidden;
  background: linear-gradient(160deg, #151d38, #0a0e1a); border: 1px solid var(--border-dark);
  display: flex; flex-direction: column; justify-content: flex-end;
}
.video-card img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; opacity: 0.82; }
.video-card.is-placeholder::before {
  content: "视频占位"; position: absolute; top: 12px; right: 12px; z-index: 2;
  font-size: 11px; color: #cdd6ea; background: rgba(10, 14, 26, 0.72);
  border: 1px dashed rgba(255, 255, 255, 0.35); border-radius: 6px; padding: 2px 8px;
}
.vc-play {
  position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%); z-index: 1;
  width: 54px; height: 54px; border-radius: 50%;
  background: rgba(255, 255, 255, 0.16); backdrop-filter: blur(4px);
  border: 1px solid rgba(255, 255, 255, 0.4);
  display: flex; align-items: center; justify-content: center;
}
.vc-play::after { content: ""; border-left: 15px solid #fff; border-top: 9px solid transparent; border-bottom: 9px solid transparent; margin-left: 4px; }
.vc-overlay { position: relative; z-index: 1; padding: 14px; color: #fff; background: linear-gradient(transparent, rgba(6, 9, 18, 0.94) 60%); }
.vc-overlay h3 { font-size: 14.5px; line-height: 1.4; }
.vc-meta { margin-top: 6px; font-size: 12px; color: #b7c2d9; display: flex; flex-wrap: wrap; gap: 6px; }
.vc-meta span { background: rgba(255, 255, 255, 0.1); border-radius: 5px; padding: 1px 7px; }
.vc-kpi { margin-top: 6px; font-size: 12px; color: #8ea6ff; }
.video-card .btn { margin: 0 14px 14px; z-index: 1; position: relative; padding: 8px 12px; font-size: 13px; border-radius: 9px; }
.video-note { margin-top: 14px; font-size: 13px; color: var(--muted); }

/* ---------- 卡片通用 ---------- */
.card-grid { display: grid; gap: 18px; }
@media (min-width: 720px) { .card-grid.cols-2 { grid-template-columns: repeat(2, 1fr); } .card-grid.cols-3 { grid-template-columns: repeat(3, 1fr); } }
@media (min-width: 1024px) { .card-grid.cols-4 { grid-template-columns: repeat(4, 1fr); } }
.card {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-lg);
  padding: 26px; box-shadow: var(--shadow); transition: transform 0.15s ease, box-shadow 0.15s ease;
}
.card:hover { transform: translateY(-3px); box-shadow: var(--shadow-lg); }
.card h3 { font-size: 18px; margin-bottom: 8px; }
.card p { color: var(--muted); font-size: 14.5px; }
.card .icon {
  width: 46px; height: 46px; border-radius: 12px; background: rgba(46, 91, 255, 0.1);
  display: flex; align-items: center; justify-content: center; font-size: 22px; margin-bottom: 14px;
}
.card ul { margin-top: 12px; }
.card ul li { position: relative; padding-left: 20px; color: var(--muted); font-size: 14.5px; margin-top: 7px; }
.card ul li::before { content: "✓"; position: absolute; left: 0; color: var(--primary); font-weight: 700; }
.card .card-link { display: inline-block; margin-top: 16px; font-weight: 600; font-size: 14.5px; }
.card-dark { background: var(--bg-dark-2); border-color: var(--border-dark); color: var(--text-light); }
.card-dark p, .card-dark ul li { color: var(--muted-light); }
.section-dark .card { background: var(--bg-dark-2); border-color: var(--border-dark); }
.section-dark .card p, .section-dark .card ul li { color: var(--muted-light); }

/* ---------- 前后对比 ---------- */
.compare { display: grid; gap: 18px; }
@media (min-width: 720px) { .compare { grid-template-columns: 1fr 1fr; } }
.compare-panel { border-radius: var(--radius-lg); overflow: hidden; border: 1px solid var(--border); background: var(--surface); }
.compare-panel img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; }
.compare-panel.old img { filter: grayscale(1) brightness(0.82); }
.compare-body { padding: 20px; }
.compare-body h3 { font-size: 16.5px; display: flex; align-items: center; gap: 8px; }
.compare-body p { color: var(--muted); font-size: 14px; margin-top: 6px; }
.tag-old { background: #eef0f5; color: #6a7386; border-radius: 5px; padding: 1px 8px; font-size: 11.5px; font-weight: 700; }
.tag-new { background: rgba(46, 91, 255, 0.12); color: var(--primary); border-radius: 5px; padding: 1px 8px; font-size: 11.5px; font-weight: 700; }

/* ---------- 生产链路 ---------- */
.pipeline { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; counter-reset: step; }
@media (min-width: 720px) { .pipeline { grid-template-columns: repeat(4, 1fr); } }
.pipeline li {
  counter-increment: step; position: relative;
  background: var(--bg-dark-2); border: 1px solid var(--border-dark); border-radius: var(--radius);
  padding: 16px 14px; color: var(--text-light);
}
.pipeline li::before { content: counter(step, decimal-leading-zero); display: block; font-size: 12px; font-weight: 800; color: #8ea6ff; letter-spacing: 0.1em; }
.pipeline li b { display: block; font-size: 15px; margin-top: 4px; }
.pipeline li span { display: block; font-size: 12.5px; color: var(--muted-light); margin-top: 3px; }

/* ---------- 分栏（图文） ---------- */
.split { display: grid; gap: 36px; align-items: center; }
@media (min-width: 960px) { .split { grid-template-columns: 1fr 1fr; } .split.rev > .split-media { order: 2; } }
.split-media img { border-radius: var(--radius-lg); box-shadow: var(--shadow-lg); }
.split-body h2 { font-size: clamp(22px, 3.4vw, 30px); line-height: 1.3; }
.split-body p { margin-top: 12px; color: var(--muted); }
.tick-list li { position: relative; padding-left: 26px; margin-top: 10px; color: var(--muted); font-size: 15px; }
.tick-list li::before { content: "✓"; position: absolute; left: 0; top: 0; color: var(--primary); font-weight: 800; }
.section-dark .tick-list li { color: var(--muted-light); }
.section-dark .tick-list li::before { color: #8ea6ff; }

/* ---------- 分层 CTA ---------- */
.cta-grid { display: grid; gap: 18px; }
@media (min-width: 720px) { .cta-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .cta-grid { grid-template-columns: repeat(4, 1fr); } }
.cta-card {
  position: relative; border-radius: var(--radius-lg); padding: 26px;
  background: var(--bg-dark-2); border: 1px solid var(--border-dark); color: var(--text-light);
  display: flex; flex-direction: column; gap: 10px; transition: transform 0.15s ease, border-color 0.15s ease;
}
.cta-card:hover { transform: translateY(-3px); border-color: rgba(142, 166, 255, 0.5); text-decoration: none; }
.cta-card .role { font-size: 12.5px; font-weight: 800; letter-spacing: 0.1em; color: #8ea6ff; text-transform: uppercase; }
.cta-card h3 { font-size: 19px; }
.cta-card p { font-size: 13.5px; color: var(--muted-light); flex: 1; }
.cta-card .go { font-weight: 700; font-size: 14.5px; color: #b78bff; }

/* ---------- FAQ ---------- */
.faq { max-width: 800px; margin: 0 auto; }
.faq details { border: 1px solid var(--border); border-radius: var(--radius); background: var(--surface); margin-top: 12px; overflow: hidden; }
.section-dark .faq details { background: var(--bg-dark-2); border-color: var(--border-dark); }
.faq summary {
  cursor: pointer; padding: 17px 20px; font-weight: 600; font-size: 15.5px; list-style: none;
  display: flex; justify-content: space-between; align-items: center; gap: 12px;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; font-size: 20px; color: var(--primary); font-weight: 400; transition: transform 0.2s ease; flex-shrink: 0; }
.faq details[open] summary::after { transform: rotate(45deg); }
.faq .faq-a { padding: 0 20px 18px; color: var(--muted); font-size: 14.5px; }

/* ---------- 表格 ---------- */
.table-wrap { overflow-x: auto; border: 1px solid var(--border); border-radius: var(--radius-lg); background: var(--surface); }
table.compare-table { width: 100%; border-collapse: collapse; min-width: 640px; font-size: 14px; }
.compare-table th, .compare-table td { padding: 13px 16px; text-align: left; border-bottom: 1px solid var(--border); }
.compare-table thead th { background: var(--surface-alt); font-size: 13px; letter-spacing: 0.04em; }
.compare-table tbody tr:last-child td { border-bottom: none; }
.compare-table td.hl, .compare-table th.hl { background: rgba(46, 91, 255, 0.07); color: var(--primary); font-weight: 700; }

/* ---------- 定价 ---------- */
.pricing-grid { display: grid; gap: 18px; align-items: stretch; }
@media (min-width: 720px) { .pricing-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .pricing-grid { grid-template-columns: repeat(4, 1fr); } }
.price-card { position: relative; display: flex; flex-direction: column; }
.price-card.featured { border: 2px solid var(--primary); box-shadow: 0 16px 44px rgba(46, 91, 255, 0.18); }
.price-badge {
  position: absolute; top: -13px; left: 50%; transform: translateX(-50%);
  background: var(--gradient); color: #fff; font-size: 12px; font-weight: 700;
  padding: 4px 14px; border-radius: 999px; white-space: nowrap;
}
.price-card .plan { font-size: 15px; font-weight: 700; }
.price-card .amount { font-size: 34px; font-weight: 800; margin: 8px 0 2px; letter-spacing: -0.02em; }
.price-card .amount small { font-size: 14px; font-weight: 500; color: var(--muted); }
.price-card .amount-sub { font-size: 12.5px; color: var(--muted); }
.price-card ul { margin: 16px 0 20px; flex: 1; }
.price-card .btn { width: 100%; }

/* ---------- 提示条（诚实口径） ---------- */
.note-banner {
  display: flex; gap: 10px; align-items: flex-start;
  background: rgba(46, 91, 255, 0.07); border: 1px solid rgba(46, 91, 255, 0.22);
  border-radius: var(--radius); padding: 13px 16px; font-size: 13.5px; color: #3d4a66;
  margin: 0 0 28px;
}
.note-banner .nb-icon { flex-shrink: 0; }

/* ---------- 徽章 / 标签 ---------- */
.chip-row { display: flex; flex-wrap: wrap; gap: 10px; }
.chip {
  border: 1px solid var(--border); border-radius: 999px; padding: 7px 16px;
  font-size: 13.5px; color: var(--muted); background: var(--surface); cursor: pointer;
}
.chip:hover { border-color: var(--primary); color: var(--primary); }
.chip.active { background: var(--gradient); border-color: transparent; color: #fff; font-weight: 600; }
.tag { display: inline-block; background: var(--surface-alt); border: 1px solid var(--border); border-radius: 6px; padding: 2px 9px; font-size: 12px; color: var(--muted); }

/* ---------- 步骤 ---------- */
.steps { display: grid; gap: 16px; }
@media (min-width: 720px) { .steps { grid-template-columns: repeat(3, 1fr); } }
.step { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 24px; }
.step .num {
  width: 34px; height: 34px; border-radius: 50%; background: var(--gradient); color: #fff;
  display: flex; align-items: center; justify-content: center; font-weight: 800; font-size: 15px; margin-bottom: 12px;
}
.step h3 { font-size: 16.5px; }
.step p { color: var(--muted); font-size: 14px; margin-top: 6px; }

/* ---------- 方法论：脚本结构条 / 情绪曲线 ---------- */
.script-bar { display: flex; flex-wrap: wrap; gap: 8px; margin: 18px 0 6px; }
.script-bar span {
  background: var(--bg-dark-2); color: var(--text-light); border-radius: 8px;
  padding: 8px 14px; font-size: 13px; position: relative;
}
.script-bar span b { color: #8ea6ff; }
.emotion-curve { width: 100%; height: auto; margin-top: 18px; }
.emotion-curve .line { fill: none; stroke: url(#curveGrad); stroke-width: 4; stroke-linecap: round; }
.emotion-curve .dot { fill: #b78bff; }
.emotion-curve text { fill: #9aa6bf; font-size: 14px; }
.emotion-curve .axis { stroke: rgba(255, 255, 255, 0.18); stroke-width: 1; }

/* ---------- 纪律格 ---------- */
.disc-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; }
@media (min-width: 960px) { .disc-grid { grid-template-columns: repeat(4, 1fr); } }
.disc { background: var(--bg-dark-2); border: 1px solid var(--border-dark); border-radius: var(--radius); padding: 18px 16px; color: var(--text-light); }
.disc b { display: block; font-size: 14.5px; color: #8ea6ff; }
.disc span { font-size: 12.5px; color: var(--muted-light); }

/* ---------- 表单 ---------- */
.lead-form { max-width: 640px; }
.form-grid { display: grid; gap: 16px; }
@media (min-width: 720px) {
  .form-grid.cols-2 { grid-template-columns: 1fr 1fr; }
  .form-grid .full { grid-column: 1 / -1; }
}
.field label { display: block; font-size: 13.5px; font-weight: 600; margin-bottom: 6px; }
.field label em { color: #e5484d; font-style: normal; }
.field input, .field select, .field textarea {
  width: 100%; padding: 12px 14px; border: 1px solid var(--border); border-radius: 10px;
  font-size: 15px; font-family: inherit; background: var(--surface); color: var(--text-dark);
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}
.field textarea { min-height: 120px; resize: vertical; }
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px rgba(46, 91, 255, 0.15);
}
.field .err { display: none; color: #e5484d; font-size: 12.5px; margin-top: 5px; }
.field.invalid input, .field.invalid select, .field.invalid textarea { border-color: #e5484d; }
.field.invalid .err { display: block; }
.form-foot { display: flex; flex-wrap: wrap; align-items: center; gap: 14px; margin-top: 20px; }
.form-tip { font-size: 12.5px; color: var(--muted); }
.form-ok {
  display: none; margin-top: 16px; padding: 13px 16px; border-radius: 10px;
  background: rgba(34, 170, 90, 0.1); border: 1px solid rgba(34, 170, 90, 0.35);
  color: #1d7a44; font-size: 14px;
}
.form-ok.show { display: block; }

/* ---------- 页脚 ---------- */
.site-footer { background: var(--bg-dark); color: var(--muted-light); padding: 56px 0 28px; font-size: 14px; }
.footer-grid { display: grid; gap: 32px; }
@media (min-width: 960px) { .footer-grid { grid-template-columns: 1.4fr 1fr 1fr 1fr; } }
.footer-brand p { margin-top: 12px; font-size: 13.5px; max-width: 300px; }
.footer-col h4 { color: var(--text-light); font-size: 14px; margin-bottom: 14px; letter-spacing: 0.04em; }
.footer-col a { display: block; color: var(--muted-light); padding: 5px 0; font-size: 13.5px; }
.footer-col a:hover { color: #8ea6ff; text-decoration: none; }
.footer-legal { border-top: 1px solid var(--border-dark); margin-top: 40px; padding-top: 22px; }
.footer-legal p { font-size: 12.5px; margin-top: 6px; color: #7d88a0; }
.footer-legal a { color: #9fb0d6; }

/* ---------- 404 ---------- */
.error-page { min-height: 100vh; display: flex; align-items: center; justify-content: center; text-align: center; background: radial-gradient(700px 400px at 70% 0%, rgba(124, 77, 255, 0.25), transparent 60%), var(--bg-dark); color: var(--text-light); padding: 40px 0; }
.error-code { font-size: clamp(72px, 16vw, 150px); font-weight: 800; background: linear-gradient(100deg, #6ea8ff, #b78bff); -webkit-background-clip: text; background-clip: text; color: transparent; line-height: 1; }

/* ---------- 最终 CTA ---------- */
.final-cta { text-align: center; padding: 84px 0; position: relative; overflow: hidden; }
.final-cta h2 { font-size: clamp(26px, 4.4vw, 40px); letter-spacing: -0.01em; }
.final-cta .sub { color: var(--muted-light); margin-top: 12px; }
.final-cta .btn-row { justify-content: center; }
.final-cta .fine { margin-top: 16px; font-size: 12.5px; color: var(--muted-light); }

/* ---------- 工具类 ---------- */
.text-center { text-align: center; }
.mt-16 { margin-top: 16px; }
.mt-24 { margin-top: 24px; }
.mt-32 { margin-top: 32px; }
.btn-row.center { justify-content: center; }
.error-page h1 { font-size: clamp(22px, 4vw, 32px); }