/* ========== tp003 - 极速着陆页 · 翠绿Emerald ========== */
:root {
  --emerald-50: #ecfdf5;
  --emerald-100: #d1fae5;
  --emerald-200: #a7f3d0;
  --emerald-400: #34d399;
  --emerald-500: #10b981;
  --emerald-600: #059669;
  --emerald-700: #047857;
  --emerald-800: #065f46;
  --emerald-900: #064e3b;
  --black: #0a0f0c;
  --white: #ffffff;
  --gray-50: #f9fafb;
  --gray-100: #f3f4f6;
  --gray-200: #e5e7eb;
  --gray-400: #9ca3af;
  --gray-500: #6b7280;
  --gray-700: #374151;
  --gray-900: #111827;
  --radius: 16px;
  --radius-sm: 10px;
  --shadow: 0 4px 24px rgba(0,0,0,.08);
  --shadow-lg: 0 12px 48px rgba(0,0,0,.12);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans SC", sans-serif;
  color: var(--gray-900);
  background: var(--gray-50);
  line-height: 1.7;
  min-height: 100vh;
}
img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
svg { flex-shrink: 0; }

/* ===== 顶栏 ===== */
.topbar-fixed {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255,255,255,.85); backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--gray-200);
  padding: 0 24px;
}
.tb-inner {
  max-width: 1200px; margin: 0 auto;
  display: flex; align-items: center; justify-content: space-between;
  height: 60px;
}
.tb-brand { display: flex; align-items: center; gap: 10px; font-weight: 800; font-size: 1.15rem; color: var(--emerald-700); }
.tb-brand img { width: 32px; height: 32px; }
.tb-nav { display: flex; align-items: center; gap: 28px; }
.tb-nav a { font-size: .925rem; font-weight: 500; color: var(--gray-700); transition: color .2s; }
.tb-nav a:hover, .tb-nav a.active { color: var(--emerald-600); }
.tb-nav .tb-cta {
  background: linear-gradient(135deg, var(--emerald-500), var(--emerald-600));
  color: #fff; padding: 8px 20px; border-radius: 50px;
  font-size: .875rem; font-weight: 600; display: flex; align-items: center; gap: 6px;
  transition: box-shadow .25s;
}
.tb-nav .tb-cta:hover { box-shadow: 0 4px 20px rgba(16,185,129,.4); color: #fff; }

/* ===== Hero ===== */
.land-hero {
  padding: 80px 24px 60px; text-align: center;
  background: radial-gradient(ellipse 80% 60% at 50% -10%, #d1fae5, transparent),
              linear-gradient(180deg, var(--emerald-50), var(--gray-50));
  border-bottom: 1px solid var(--gray-200);
}
.land-hero .wrap { max-width: 860px; margin: 0 auto; }
.land-hero .lh-badge {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--white); border: 1px solid var(--emerald-200);
  padding: 6px 16px; border-radius: 50px;
  font-size: .85rem; color: var(--emerald-700); font-weight: 500; margin-bottom: 24px;
}
.land-hero .lh-badge .dot { width: 8px; height: 8px; background: var(--emerald-500); border-radius: 50%; animation: pulse-dot 2s infinite; }
@keyframes pulse-dot { 0%,100% { opacity: 1; } 50% { opacity: .35; } }
.land-hero h1 { font-size: clamp(2rem, 4.5vw, 3rem); font-weight: 800; line-height: 1.25; letter-spacing: -.02em; margin-bottom: 16px; }
.land-hero h1 .hl { color: var(--emerald-600); background: linear-gradient(135deg, var(--emerald-500), var(--emerald-700)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; }
.land-hero p { font-size: 1.1rem; color: var(--gray-500); max-width: 620px; margin: 0 auto 32px; }
.lh-btns { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }
.btn-fill2 {
  background: linear-gradient(135deg, var(--emerald-500), var(--emerald-600));
  color: #fff; padding: 14px 32px; border-radius: 50px;
  font-weight: 700; font-size: 1rem; display: inline-flex; align-items: center; gap: 8px;
  transition: transform .2s, box-shadow .25s;
}
.btn-fill2:hover { transform: translateY(-2px); box-shadow: 0 8px 28px rgba(16,185,129,.35); }
.btn-line2 {
  border: 2px solid var(--emerald-200); color: var(--emerald-700);
  padding: 14px 32px; border-radius: 50px; font-weight: 600; font-size: 1rem;
  transition: background .2s, border-color .2s;
}
.btn-line2:hover { background: var(--emerald-50); border-color: var(--emerald-400); }

/* ===== 产品展示图 ===== */
.showcase-strip { padding: 48px 24px; }
.showcase-strip .wrap { max-width: 900px; margin: 0 auto; text-align: center; }
.showcase-strip img { border-radius: var(--radius); box-shadow: var(--shadow-lg); margin: 0 auto; }

/* ===== 关键亮点 ===== */
.keypoints { padding: 60px 24px; }
.keypoints .wrap { max-width: 1040px; margin: 0 auto; }
.kp-label {
  font-size: .8rem; font-weight: 700; text-transform: uppercase; letter-spacing: .08em;
  color: var(--emerald-600); margin-bottom: 8px;
}
.kp-title { font-size: 2rem; font-weight: 800; margin-bottom: 12px; letter-spacing: -.02em; }
.kp-sub { color: var(--gray-500); font-size: 1.05rem; margin-bottom: 44px; }
.kp-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 24px; }
.kp-card {
  background: var(--white); border-radius: var(--radius); padding: 32px 28px;
  box-shadow: var(--shadow); transition: transform .25s, box-shadow .25s;
  border: 1px solid var(--gray-100);
}
.kp-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.kp-icon {
  width: 52px; height: 52px; border-radius: 14px; display: flex; align-items: center; justify-content: center;
  margin-bottom: 18px; color: #fff; font-size: 1.3rem; font-weight: 700;
  background: linear-gradient(135deg, var(--emerald-400), var(--emerald-500));
}
.kp-card h3 { font-size: 1.1rem; font-weight: 700; margin-bottom: 8px; }
.kp-card p { color: var(--gray-500); font-size: .925rem; line-height: 1.65; }

/* ===== 数据条 ===== */
.stat-bar {
  background: var(--emerald-50); padding: 44px 24px;
  border-top: 1px solid var(--emerald-100); border-bottom: 1px solid var(--emerald-100);
}
.stat-bar .wrap { max-width: 900px; margin: 0 auto; display: flex; justify-content: space-around; flex-wrap: wrap; gap: 24px; text-align: center; }
.stat-num { font-size: 2.4rem; font-weight: 900; color: var(--emerald-700); line-height: 1; }
.stat-desc { font-size: .875rem; color: var(--gray-500); margin-top: 6px; }

/* ===== 三步上手 ===== */
.flow-3 { padding: 72px 24px; background: var(--white); }
.flow-3 .wrap { max-width: 960px; margin: 0 auto; }
.flow-3 .kp-label { text-align: center; }
.flow-3 .kp-title { text-align: center; }
.flow-3 .kp-sub { text-align: center; }
.flow-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; margin-top: 40px; }
.flow-tile { text-align: center; position: relative; }
.flow-tile::after {
  content: '';
  position: absolute; top: 28px; right: -14px;
  width: 28px; height: 2px; background: var(--emerald-200);
}
.flow-tile:last-child::after { display: none; }
.flow-num {
  width: 56px; height: 56px; border-radius: 50%;
  background: linear-gradient(135deg, var(--emerald-400), var(--emerald-500));
  color: #fff; font-size: 1.4rem; font-weight: 800;
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 16px;
}
.flow-tile h4 { font-size: 1.05rem; font-weight: 700; margin-bottom: 6px; }
.flow-tile p { color: var(--gray-500); font-size: .9rem; }

/* ===== 社会证明 ===== */
.social-proof { padding: 64px 24px; background: var(--gray-50); }
.social-proof .wrap { max-width: 960px; margin: 0 auto; }
.social-proof .kp-label { text-align: center; }
.social-proof .kp-title { text-align: center; }
.social-proof .kp-sub { text-align: center; }
.trust-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 20px; margin-top: 36px; }
.trust-block {
  background: var(--white); border-radius: var(--radius-sm); padding: 24px;
  text-align: center; box-shadow: var(--shadow);
}
.trust-block .tnum { font-size: 2rem; font-weight: 900; color: var(--emerald-600); }
.trust-block .tlbl { font-size: .875rem; color: var(--gray-500); margin-top: 4px; }
.trust-block .tstars { color: #f59e0b; font-size: .9rem; margin-top: 4px; }

/* ===== 下载卡片 ===== */
.dl-block { padding: 64px 24px; background: var(--white); }
.dl-block .wrap { max-width: 640px; margin: 0 auto; text-align: center; }
.dl-card {
  background: linear-gradient(135deg, var(--emerald-500), var(--emerald-700));
  border-radius: 20px; padding: 48px 36px; color: #fff;
  box-shadow: 0 16px 48px rgba(16,185,129,.3);
}
.dl-card h2 { font-size: 1.8rem; font-weight: 800; margin-bottom: 10px; }
.dl-card .dl-sub { opacity: .85; font-size: .95rem; margin-bottom: 28px; }
.dl-card .dl-main-btn {
  display: inline-flex; align-items: center; gap: 10px;
  background: #fff; color: var(--emerald-700); padding: 16px 36px;
  border-radius: 50px; font-weight: 700; font-size: 1.05rem;
  transition: transform .2s;
}
.dl-card .dl-main-btn:hover { transform: scale(1.04); }
.dl-meta { display: flex; gap: 20px; justify-content: center; margin-top: 20px; opacity: .8; font-size: .85rem; flex-wrap: wrap; }
.dl-warn {
  margin-top: 20px; font-size: .82rem; opacity: .7;
  display: flex; align-items: center; justify-content: center; gap: 6px;
}

/* ===== 页脚 ===== */
.ft-bar {
  background: var(--gray-900); color: #fff; padding: 40px 24px 28px;
  border-top: 4px solid var(--emerald-500);
}
.ft-bar .wrap { max-width: 1000px; margin: 0 auto; }
.ft-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr; gap: 36px; }
.ft-grid h5 { font-size: 1rem; font-weight: 700; margin-bottom: 12px; }
.ft-grid a { display: block; font-size: .875rem; color: var(--gray-400); padding: 4px 0; transition: color .2s; }
.ft-grid a:hover { color: var(--emerald-400); }
.ft-grid p { color: var(--gray-400); font-size: .875rem; line-height: 1.7; }
.ft-bot { margin-top: 28px; padding-top: 20px; border-top: 1px solid rgba(255,255,255,.1); text-align: center; font-size: .8rem; color: var(--gray-400); }

/* ==================== 更新日志页 ==================== */
.page-top2 {
  padding: 48px 24px 36px; text-align: center;
  background: linear-gradient(180deg, var(--emerald-50), transparent);
}
.page-top2 .wrap { max-width: 720px; margin: 0 auto; }
.page-top2 h1 { font-size: 2.2rem; font-weight: 800; margin-bottom: 8px; }
.page-top2 h1 .hl { color: var(--emerald-600); }
.page-top2 .pt-sub { color: var(--gray-500); font-size: 1rem; }

.changelog { padding: 24px 24px 64px; }
.changelog .wrap { max-width: 760px; margin: 0 auto; }
.ver-entry {
  background: var(--white); border-radius: var(--radius); padding: 28px 32px;
  margin-bottom: 20px; box-shadow: var(--shadow); border-left: 4px solid var(--emerald-500);
  transition: box-shadow .25s;
}
.ver-entry:hover { box-shadow: var(--shadow-lg); }
.ver-hd { display: flex; align-items: center; gap: 14px; margin-bottom: 14px; }
.ver-badge {
  background: var(--emerald-500); color: #fff; padding: 4px 14px;
  border-radius: 50px; font-weight: 700; font-size: .85rem;
}
.ver-date { font-size: .85rem; color: var(--gray-400); }
.ver-list { list-style: none; }
.ver-list li { padding: 5px 0; font-size: .925rem; color: var(--gray-700); position: relative; padding-left: 20px; }
.ver-list li::before { content: '▸'; position: absolute; left: 0; color: var(--emerald-500); font-weight: 700; }

/* ==================== 快速开始页 ==================== */
.start-guide { padding: 48px 24px 64px; }
.start-guide .wrap { max-width: 780px; margin: 0 auto; }
.phase-block {
  background: var(--white); border-radius: var(--radius); padding: 32px;
  margin-bottom: 24px; box-shadow: var(--shadow);
  border: 1px solid var(--gray-100);
}
.phase-hd { display: flex; align-items: center; gap: 12px; margin-bottom: 16px; }
.phase-num {
  width: 40px; height: 40px; border-radius: 50%;
  background: var(--emerald-500); color: #fff; font-weight: 800; font-size: 1.1rem;
  display: flex; align-items: center; justify-content: center; flex-shrink: 0;
}
.phase-hd h3 { font-size: 1.2rem; font-weight: 700; }
.phase-block p { color: var(--gray-600); font-size: .95rem; margin-bottom: 10px; }
.phase-block ul { list-style: none; padding-left: 0; }
.phase-block ul li { padding: 4px 0 4px 22px; position: relative; font-size: .9rem; color: var(--gray-600); }
.phase-block ul li::before {
  content: '✓'; position: absolute; left: 0; color: var(--emerald-500); font-weight: 700;
}
.tip-box2 {
  background: #fffbeb; border: 1px solid #fde68a; border-radius: var(--radius-sm);
  padding: 16px 20px; margin-top: 16px; font-size: .9rem; color: #92400e;
  display: flex; gap: 10px; align-items: flex-start;
}
.tip-box2 .tb-icon { font-size: 1.2rem; flex-shrink: 0; }

/* ===== 响应式 ===== */
@media (max-width: 768px) {
  .tb-nav { gap: 16px; }
  .tb-nav a { font-size: .85rem; }
  .flow-row { grid-template-columns: 1fr; }
  .flow-tile::after { display: none; }
  .ft-grid { grid-template-columns: 1fr; gap: 24px; }
  .stat-bar .wrap { flex-direction: column; gap: 20px; }
  .land-hero h1 { font-size: 1.7rem; }
  .kp-grid { grid-template-columns: 1fr; }
  .tb-inner { height: auto; padding: 12px 0; flex-wrap: wrap; gap: 8px; }
}
@media (max-width: 480px) {
  .tb-nav { gap: 10px; flex-wrap: wrap; justify-content: center; }
  .dl-card { padding: 28px 18px; }
  .ver-entry { padding: 18px; }
  .phase-block { padding: 20px; }
}