/* ============================================================
   魂淡办公 官网样式
   主题：暗色炫酷 · 玻璃拟态 · 绿色辉光
   ============================================================ */

:root {
  --bg: #0d1117;
  --bg-deep: #090d13;
  --bg-soft: #11161f;
  --surface: rgba(255, 255, 255, 0.045);
  --surface-strong: rgba(255, 255, 255, 0.08);
  --border: rgba(255, 255, 255, 0.09);
  --border-bright: rgba(255, 255, 255, 0.16);
  --text: #e8eef6;
  --text-soft: #b8c2cf;
  --muted: #8b95a3;
  --accent: #22c55e;
  --accent-2: #10b981;
  --accent-3: #06b6d4;
  --grad: linear-gradient(135deg, #22c55e 0%, #10b981 45%, #06b6d4 100%);
  --grad-text: linear-gradient(120deg, #4ade80 0%, #22c55e 40%, #2dd4bf 75%, #38bdf8 100%);
  --glow: 0 0 42px rgba(34, 197, 94, 0.28);
  --glow-soft: 0 0 22px rgba(34, 197, 94, 0.16);
  --radius: 16px;
  --radius-sm: 10px;
  --nav-h: 68px;
  --font: "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei", "Segoe UI", -apple-system, BlinkMacSystemFont, "Helvetica Neue", Arial, sans-serif;
  --mono: "Cascadia Code", "JetBrains Mono", Consolas, "Courier New", monospace;
}

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

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  line-height: 1.65;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

::selection { background: rgba(34, 197, 94, 0.32); color: #fff; }

a { color: inherit; text-decoration: none; }
b { font-weight: 700; }

/* 滚动条 */
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: var(--bg-deep); }
::-webkit-scrollbar-thumb { background: #22303f; border-radius: 6px; border: 2px solid var(--bg-deep); }
::-webkit-scrollbar-thumb:hover { background: #2f4a63; }

/* ============ 粒子背景 ============ */
#bg-canvas {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}

/* 全局顶部光晕（背景气氛） */
body::before {
  content: "";
  position: fixed;
  top: -280px;
  left: 50%;
  transform: translateX(-50%);
  width: 1100px;
  height: 560px;
  background: radial-gradient(ellipse at center, rgba(34, 197, 94, 0.13), transparent 62%);
  pointer-events: none;
  z-index: 0;
}

/* ============ 通用按钮 ============ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 26px;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.02em;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.25s cubic-bezier(0.22, 1, 0.36, 1), box-shadow 0.25s, background 0.25s, border-color 0.25s, color 0.25s;
  white-space: nowrap;
}

.btn-primary {
  background: var(--grad);
  color: #06281a;
  box-shadow: 0 6px 26px rgba(34, 197, 94, 0.35);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 36px rgba(34, 197, 94, 0.5);
}

.btn-outline {
  background: transparent;
  color: var(--text);
  border-color: var(--border-bright);
}
.btn-outline:hover {
  border-color: rgba(34, 197, 94, 0.6);
  color: #4ade80;
  transform: translateY(-2px);
  box-shadow: var(--glow-soft);
}

.btn-ghost {
  background: transparent;
  color: var(--text-soft);
  border-color: var(--border);
  padding: 9px 20px;
  font-size: 14px;
}
.btn-ghost:hover {
  color: #4ade80;
  border-color: rgba(34, 197, 94, 0.55);
}

/* ============ 导航栏 ============ */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--nav-h);
  z-index: 100;
  display: flex;
  align-items: center;
  background: rgba(13, 17, 23, 0.55);
  backdrop-filter: blur(16px) saturate(1.4);
  -webkit-backdrop-filter: blur(16px) saturate(1.4);
  border-bottom: 1px solid transparent;
  transition: background 0.3s, border-color 0.3s, box-shadow 0.3s;
}
.nav.scrolled {
  background: rgba(10, 14, 19, 0.86);
  border-bottom-color: var(--border);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.45);
}

.nav-inner {
  width: 100%;
  max-width: 1220px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  gap: 28px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 11px;
  flex-shrink: 0;
}
.brand-badge {
  width: 38px;
  height: 38px;
  border-radius: 11px;
  background: var(--grad);
  color: #06281a;
  font-size: 21px;
  font-weight: 800;
  display: grid;
  place-items: center;
  box-shadow: 0 4px 18px rgba(34, 197, 94, 0.45);
}
.brand-name {
  font-size: 18px;
  font-weight: 800;
  letter-spacing: 0.02em;
}
.brand-tag {
  display: none;
  font-size: 11.5px;
  color: var(--muted);
  padding-left: 11px;
  border-left: 1px solid var(--border-bright);
  letter-spacing: 0.04em;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-left: auto;
}
.nav-links a {
  padding: 8px 14px;
  font-size: 14.5px;
  color: var(--text-soft);
  border-radius: 8px;
  transition: color 0.2s, background 0.2s;
}
.nav-links a:hover {
  color: #fff;
  background: var(--surface-strong);
}
.nav-links a.active {
  color: #4ade80;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

/* 汉堡菜单按钮 */
.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 42px;
  height: 42px;
  padding: 10px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  cursor: pointer;
}
.nav-toggle span {
  display: block;
  height: 2px;
  width: 100%;
  border-radius: 2px;
  background: var(--text);
  transition: transform 0.3s, opacity 0.3s;
}
.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ============ 区块通用 ============ */
.section {
  position: relative;
  z-index: 1;
  padding: 110px 24px;
  max-width: 1220px;
  margin: 0 auto;
  scroll-margin-top: calc(var(--nav-h) + 16px);
}

.section-head {
  text-align: center;
  max-width: 760px;
  margin: 0 auto 60px;
}
.kicker {
  display: inline-block;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.14em;
  color: #4ade80;
  background: rgba(34, 197, 94, 0.1);
  border: 1px solid rgba(34, 197, 94, 0.28);
  padding: 6px 16px;
  border-radius: 999px;
  margin-bottom: 18px;
}
.section-head h2 {
  font-size: clamp(28px, 4.4vw, 42px);
  line-height: 1.28;
  font-weight: 800;
  letter-spacing: 0.01em;
}
.section-head h2 b { color: transparent; background: var(--grad-text); -webkit-background-clip: text; background-clip: text; }
.section-head p {
  margin-top: 16px;
  color: var(--muted);
  font-size: 16px;
}

/* 滚动显现动画 */
.reveal {
  opacity: 0;
  transform: translateY(34px);
  transition: opacity 0.7s cubic-bezier(0.22, 1, 0.36, 1), transform 0.7s cubic-bezier(0.22, 1, 0.36, 1);
  will-change: opacity, transform;
}
.reveal.in {
  opacity: 1;
  transform: none;
}

/* ============ Hero ============ */
.hero {
  position: relative;
  z-index: 1;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: calc(var(--nav-h) + 40px) 24px 90px;
  text-align: center;
  overflow: hidden;
}

.hero-glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(90px);
  pointer-events: none;
}
.hero-glow-a {
  width: 520px; height: 520px;
  background: rgba(34, 197, 94, 0.16);
  top: -140px; left: -160px;
  animation: drift-a 14s ease-in-out infinite alternate;
}
.hero-glow-b {
  width: 460px; height: 460px;
  background: rgba(6, 182, 212, 0.12);
  bottom: 8%; right: -150px;
  animation: drift-b 16s ease-in-out infinite alternate;
}
@keyframes drift-a {
  from { transform: translate(0, 0) scale(1); }
  to   { transform: translate(60px, 40px) scale(1.12); }
}
@keyframes drift-b {
  from { transform: translate(0, 0) scale(1); }
  to   { transform: translate(-50px, -30px) scale(1.08); }
}

.hero-inner {
  position: relative;
  z-index: 2;
  max-width: 880px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-size: 13.5px;
  color: var(--text-soft);
  background: var(--surface);
  border: 1px solid var(--border);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  padding: 8px 18px;
  border-radius: 999px;
  margin-bottom: 30px;
}
.pulse-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 0 rgba(34, 197, 94, 0.6);
  animation: pulse 2.2s infinite;
}
@keyframes pulse {
  0%   { box-shadow: 0 0 0 0 rgba(34, 197, 94, 0.55); }
  70%  { box-shadow: 0 0 0 11px rgba(34, 197, 94, 0); }
  100% { box-shadow: 0 0 0 0 rgba(34, 197, 94, 0); }
}

.hero-title {
  font-size: clamp(38px, 6.4vw, 64px);
  font-weight: 900;
  line-height: 1.18;
  letter-spacing: 0.01em;
  text-shadow: 0 6px 40px rgba(0, 0, 0, 0.5);
}
.hero-title .grad {
  color: transparent;
  background: var(--grad-text);
  -webkit-background-clip: text;
  background-clip: text;
  filter: drop-shadow(0 2px 22px rgba(34, 197, 94, 0.35));
}

.hero-sub {
  margin: 24px auto 0;
  max-width: 640px;
  font-size: clamp(15px, 2vw, 18px);
  color: var(--text-soft);
}

.hero-cta {
  margin-top: 38px;
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

/* 统计数字 */
.hero-stats {
  margin-top: 56px;
  display: flex;
  justify-content: center;
  gap: clamp(24px, 6vw, 64px);
  flex-wrap: wrap;
}
.stat {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 130px;
}
.stat .num {
  font-size: clamp(30px, 4vw, 42px);
  font-weight: 800;
  font-family: var(--mono);
  color: transparent;
  background: var(--grad-text);
  -webkit-background-clip: text;
  background-clip: text;
  line-height: 1.2;
}
.stat .num.cur {
  background: linear-gradient(120deg, #fbbf24, #f59e0b 60%, #f97316);
}
.stat span {
  font-size: 13px;
  color: var(--muted);
  letter-spacing: 0.04em;
}

/* 模拟软件窗口 */
.hero-preview {
  position: relative;
  z-index: 2;
  width: 100%;
  max-width: 980px;
  margin: 78px auto 0;
}
.window {
  background: linear-gradient(180deg, rgba(21, 27, 37, 0.9), rgba(13, 17, 23, 0.92));
  border: 1px solid var(--border-bright);
  border-radius: 14px;
  box-shadow: 0 30px 90px rgba(0, 0, 0, 0.6), 0 0 0 1px rgba(255, 255, 255, 0.03) inset, 0 0 80px rgba(34, 197, 94, 0.07);
  overflow: hidden;
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
}
.window-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 16px;
  background: rgba(255, 255, 255, 0.04);
  border-bottom: 1px solid var(--border);
}
.window-bar .dot {
  width: 11px; height: 11px;
  border-radius: 50%;
}
.dot.r { background: #ff5f57; }
.dot.y { background: #febc2e; }
.dot.g { background: #28c840; }
.window-title {
  margin-left: 10px;
  font-size: 12.5px;
  color: var(--muted);
  font-family: var(--mono);
}
.window-body {
  display: flex;
  min-height: 300px;
}
.app-sidebar {
  width: 128px;
  flex-shrink: 0;
  padding: 14px 10px;
  background: rgba(255, 255, 255, 0.025);
  border-right: 1px solid var(--border);
}
.side-item {
  font-size: 13px;
  color: var(--muted);
  padding: 9px 12px;
  border-radius: 8px;
  margin-bottom: 4px;
  text-align: left;
  transition: all 0.2s;
}
.side-item.active {
  color: #4ade80;
  background: rgba(34, 197, 94, 0.12);
  box-shadow: inset 0 0 0 1px rgba(34, 197, 94, 0.3);
}
.app-main {
  flex: 1;
  padding: 14px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  min-width: 0;
}
.app-toolbar {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}
.tb-chip {
  font-size: 12px;
  font-family: var(--mono);
  color: var(--text-soft);
  background: var(--surface);
  border: 1px solid var(--border);
  padding: 5px 12px;
  border-radius: 999px;
}
.tb-chip.green {
  color: #4ade80;
  border-color: rgba(34, 197, 94, 0.35);
  background: rgba(34, 197, 94, 0.08);
}

/* 模拟表格 */
.mock-table-wrap { overflow-x: auto; }
.mock-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 12px;
  font-family: var(--mono);
  table-layout: fixed;
}
.mock-table th {
  text-align: left;
  color: var(--muted);
  font-weight: 600;
  font-size: 11px;
  padding: 8px 10px;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}
.mock-table td {
  padding: 8px 10px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  color: var(--text-soft);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.mock-table td.num-cell {
  text-align: right;
  color: #4ade80;
}
.mock-table tr.flash td {
  background: rgba(251, 191, 36, 0.07);
  color: #fbbf24;
}
.mock-table tr:last-child td { border-bottom: none; }

.app-footer-bar {
  margin-top: auto;
  display: flex;
  align-items: center;
  gap: 10px;
  padding-top: 12px;
  border-top: 1px solid var(--border);
}
.app-footer-bar .ok { font-size: 12.5px; color: #4ade80; margin-right: auto; }
.mini-btn {
  font-size: 12px;
  font-family: var(--font);
  color: var(--text-soft);
  background: var(--surface-strong);
  border: 1px solid var(--border);
  border-radius: 7px;
  padding: 6px 13px;
  cursor: pointer;
  transition: all 0.2s;
}
.mini-btn:hover {
  color: #06281a;
  background: var(--grad);
  border-color: transparent;
}

/* 浮动小卡片 */
.float-card {
  position: absolute;
  display: flex;
  align-items: center;
  gap: 9px;
  font-size: 13px;
  font-weight: 600;
  color: var(--text);
  background: rgba(17, 22, 31, 0.85);
  border: 1px solid var(--border-bright);
  border-radius: 12px;
  padding: 11px 17px;
  box-shadow: 0 14px 40px rgba(0, 0, 0, 0.5), 0 0 30px rgba(34, 197, 94, 0.1);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  animation: floaty 5.5s ease-in-out infinite;
}
.float-card svg { color: #4ade80; flex-shrink: 0; }
.fc-a { top: -24px; left: -30px; }
.fc-b { top: 30%; right: -46px; animation-delay: 1.2s; }
.fc-c { bottom: -22px; left: 6%; animation-delay: 2.4s; }
@keyframes floaty {
  0%, 100% { transform: translateY(0); }
  50%      { transform: translateY(-13px); }
}

.hero-scroll-hint {
  margin-top: 64px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  font-size: 12.5px;
  color: var(--muted);
  letter-spacing: 0.14em;
}
.hero-scroll-hint svg { animation: bounce 1.8s infinite; }
@keyframes bounce {
  0%, 100% { transform: translateY(0); }
  50%      { transform: translateY(7px); }
}

/* ============ 痛点区 ============ */
.pain { padding-top: 120px; }
.pain-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}
.pain-card {
  position: relative;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 30px 26px;
  overflow: hidden;
  transition: transform 0.3s cubic-bezier(0.22, 1, 0.36, 1), border-color 0.3s, box-shadow 0.3s, background 0.3s;
}
.pain-card::after {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, rgba(251, 191, 36, 0.55), transparent);
  opacity: 0;
  transition: opacity 0.3s;
}
.pain-card:hover {
  transform: translateY(-6px);
  border-color: rgba(251, 191, 36, 0.35);
  box-shadow: 0 18px 44px rgba(0, 0, 0, 0.42);
  background: var(--surface-strong);
}
.pain-card:hover::after { opacity: 1; }
.pain-emoji {
  font-size: 32px;
  margin-bottom: 16px;
  filter: drop-shadow(0 4px 14px rgba(0, 0, 0, 0.4));
}
.pain-card h3 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 10px;
}
.pain-card p {
  font-size: 14px;
  color: var(--muted);
}

/* ============ 核心功能 ============ */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}
.feature-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 30px 26px;
  transition: transform 0.35s cubic-bezier(0.22, 1, 0.36, 1), border-color 0.3s, box-shadow 0.3s, background 0.3s;
  will-change: transform;
}
.feature-card:hover {
  border-color: rgba(34, 197, 94, 0.45);
  box-shadow: 0 22px 56px rgba(0, 0, 0, 0.45), 0 0 40px rgba(34, 197, 94, 0.1);
  background: var(--surface-strong);
}
.feat-icon {
  width: 54px; height: 54px;
  border-radius: 14px;
  display: grid;
  place-items: center;
  margin-bottom: 20px;
  border: 1px solid;
  transition: transform 0.3s;
}
.feature-card:hover .feat-icon { transform: scale(1.08) rotate(-4deg); }
.feat-icon.c1 { color: #4ade80; background: rgba(34, 197, 94, 0.12); border-color: rgba(34, 197, 94, 0.4); }
.feat-icon.c2 { color: #38bdf8; background: rgba(56, 189, 248, 0.12); border-color: rgba(56, 189, 248, 0.4); }
.feat-icon.c3 { color: #c084fc; background: rgba(192, 132, 252, 0.12); border-color: rgba(192, 132, 252, 0.4); }
.feat-icon.c4 { color: #fbbf24; background: rgba(251, 191, 36, 0.12); border-color: rgba(251, 191, 36, 0.4); }
.feat-icon.c5 { color: #fb7185; background: rgba(251, 113, 133, 0.12); border-color: rgba(251, 113, 133, 0.4); }
.feat-icon.c6 { color: #2dd4bf; background: rgba(45, 212, 191, 0.12); border-color: rgba(45, 212, 191, 0.4); }
.feature-card h3 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 10px;
}
.feature-card p {
  font-size: 14px;
  color: var(--muted);
}

/* ============ 平台区 ============ */
.platform-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
  max-width: 980px;
  margin: 0 auto;
}
.plat {
  font-size: 13.5px;
  font-family: var(--mono);
  color: var(--text-soft);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 9px;
  padding: 9px 17px;
  transition: all 0.25s;
  cursor: default;
}
.plat:hover {
  color: #06281a;
  background: var(--grad);
  border-color: transparent;
  transform: translateY(-3px);
  box-shadow: 0 10px 24px rgba(34, 197, 94, 0.35);
}
.plat.more {
  color: #4ade80;
  border-style: dashed;
  border-color: rgba(34, 197, 94, 0.45);
}

/* ============ 工作流程 ============ */
.flow-track {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  position: relative;
}
.flow-track::before {
  content: "";
  position: absolute;
  top: 40px;
  left: 8%;
  right: 8%;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(34, 197, 94, 0.5), rgba(56, 189, 248, 0.5), transparent);
}
.flow-step {
  position: relative;
  text-align: center;
  padding: 0 12px;
}
.flow-num {
  width: 80px; height: 80px;
  margin: 0 auto 22px;
  border-radius: 24px;
  display: grid;
  place-items: center;
  font-family: var(--mono);
  font-size: 24px;
  font-weight: 800;
  color: transparent;
  background: linear-gradient(160deg, #86efac, #4ade80);
  background-clip: text;
  -webkit-background-clip: text;
  text-shadow: 0 0 22px rgba(74, 222, 128, 0.35);
  border: 1px solid var(--border-bright);
  position: relative;
  z-index: 1;
  box-shadow: 0 14px 34px rgba(0, 0, 0, 0.4);
  transition: all 0.3s;
}
.flow-num::before {
  content: "";
  position: absolute;
  inset: -1px;
  border-radius: 24px;
  padding: 1px;
  background: linear-gradient(135deg, rgba(34, 197, 94, 0.65), rgba(6, 182, 212, 0.35));
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
}
.flow-step:hover .flow-num {
  transform: translateY(-5px) scale(1.05);
  box-shadow: 0 18px 44px rgba(0, 0, 0, 0.5), 0 0 30px rgba(34, 197, 94, 0.2);
}
.flow-step h3 { font-size: 17px; font-weight: 700; margin-bottom: 8px; }
.flow-step p { font-size: 13.5px; color: var(--muted); }

.flow-time {
  margin: 46px auto 0;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 14.5px;
  color: var(--text-soft);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 11px 24px;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}
.flow-time svg { color: #4ade80; }
.flow-time b {
  color: #4ade80;
  font-family: var(--mono);
  font-size: 16px;
}

/* ============ 金蝶对接 ============ */
.kingdee { padding-bottom: 130px; }
.kingdee-inner {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 60px;
  align-items: center;
  background: linear-gradient(135deg, rgba(34, 197, 94, 0.05), rgba(6, 182, 212, 0.04)), var(--surface);
  border: 1px solid var(--border);
  border-radius: 22px;
  padding: clamp(30px, 5vw, 60px);
}
.kingdee-text .kicker { margin-bottom: 14px; }
.kingdee-text h2 {
  font-size: clamp(26px, 3.4vw, 36px);
  font-weight: 800;
  line-height: 1.3;
  margin-bottom: 22px;
}
.kingdee-text h2 b { color: transparent; background: var(--grad-text); -webkit-background-clip: text; background-clip: text; }
.kingdee-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.kingdee-list li {
  display: flex;
  gap: 13px;
  font-size: 14.5px;
  color: var(--text-soft);
  align-items: flex-start;
}
.kingdee-list li svg {
  flex-shrink: 0;
  color: #4ade80;
  margin-top: 3px;
}
.kingdee-list li b { color: var(--text); }
.kingdee-note {
  margin-top: 22px;
  font-size: 13px;
  color: var(--muted);
  background: rgba(255, 255, 255, 0.03);
  border: 1px dashed var(--border-bright);
  border-radius: 10px;
  padding: 12px 16px;
}

.kingdee-visual { position: relative; }
.kd-card {
  background: rgba(13, 17, 23, 0.8);
  border: 1px solid var(--border-bright);
  border-radius: 16px;
  padding: 26px;
  box-shadow: 0 26px 70px rgba(0, 0, 0, 0.5), 0 0 50px rgba(34, 197, 94, 0.09);
  transform: perspective(1200px) rotateY(-5deg) rotateX(2deg);
  transition: transform 0.4s;
}
.kd-card:hover { transform: perspective(1200px) rotateY(0) rotateX(0); }
.kd-title {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--muted);
  margin-bottom: 18px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--border);
}
.kd-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  padding: 9px 0;
  font-size: 14px;
}
.kd-row span { color: var(--muted); font-size: 13px; }
.kd-row b { font-family: var(--mono); font-size: 13.5px; color: var(--text); }
.kd-row b.green { color: #4ade80; }
.kd-divider {
  height: 1px;
  background: var(--border);
  margin: 14px 0 16px;
}
.kd-ok {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13.5px;
  font-weight: 600;
  color: #4ade80;
  background: rgba(34, 197, 94, 0.1);
  border: 1px solid rgba(34, 197, 94, 0.35);
  border-radius: 999px;
  padding: 7px 16px;
}

/* ============ 路线图 ============ */
.roadmap-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}
.rm-card {
  position: relative;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 24px 22px;
  transition: all 0.3s;
  overflow: hidden;
}
.rm-card::before {
  content: "";
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 3px;
  opacity: 0.85;
}
.rm-card.done::before { background: var(--grad); }
.rm-card.soon::before { background: linear-gradient(180deg, #334155, #1e293b); }
.rm-card:hover {
  transform: translateY(-5px);
  border-color: var(--border-bright);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.4);
}
.rm-tag {
  display: inline-block;
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: 0.06em;
  border-radius: 999px;
  padding: 4px 12px;
  margin-bottom: 14px;
}
.rm-card.done .rm-tag {
  color: #06281a;
  background: var(--grad);
}
.rm-card.soon .rm-tag {
  color: var(--muted);
  background: #1b2430;
  border: 1px solid var(--border);
}
.rm-card h3 { font-size: 16px; font-weight: 700; margin-bottom: 8px; }
.rm-card p { font-size: 13px; color: var(--muted); }

/* ============ 免费承诺 ============ */
.free-card {
  position: relative;
  text-align: center;
  max-width: 820px;
  margin: 0 auto;
  background: linear-gradient(160deg, rgba(34, 197, 94, 0.1), rgba(13, 17, 23, 0.4) 45%), var(--surface);
  border: 1px solid rgba(34, 197, 94, 0.35);
  border-radius: 24px;
  padding: clamp(40px, 6vw, 70px) clamp(24px, 5vw, 60px);
  overflow: hidden;
}
.free-card::before,
.free-card::after {
  content: "";
  position: absolute;
  border-radius: 50%;
  filter: blur(60px);
  pointer-events: none;
}
.free-card::before {
  width: 260px; height: 260px;
  background: rgba(34, 197, 94, 0.2);
  top: -110px; right: -90px;
}
.free-card::after {
  width: 220px; height: 220px;
  background: rgba(6, 182, 212, 0.14);
  bottom: -100px; left: -80px;
}
.free-badge {
  position: relative;
  display: inline-block;
  font-family: var(--mono);
  font-size: 15px;
  font-weight: 800;
  color: #06281a;
  background: var(--grad);
  border-radius: 999px;
  padding: 8px 22px;
  margin-bottom: 22px;
  box-shadow: 0 8px 26px rgba(34, 197, 94, 0.4);
}
.free-card h2 {
  position: relative;
  font-size: clamp(28px, 4.4vw, 42px);
  font-weight: 900;
  margin-bottom: 16px;
}
.free-card > p {
  position: relative;
  color: var(--text-soft);
  font-size: 15.5px;
  max-width: 560px;
  margin: 0 auto;
}
.free-card > p b { color: #4ade80; }
.free-points {
  position: relative;
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}
.free-points span {
  font-size: 13.5px;
  color: var(--text-soft);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 8px 18px;
}

/* ============ 下载 ============ */
.download-box {
  max-width: 620px;
  margin: 0 auto;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  box-shadow: 0 22px 60px rgba(0, 0, 0, 0.35);
}
.dl-item {
  display: flex;
  align-items: center;
  gap: 18px;
  flex-wrap: wrap;
}
.dl-ico {
  font-size: 34px;
  width: 60px; height: 60px;
  display: grid;
  place-items: center;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border);
  border-radius: 14px;
  flex-shrink: 0;
}
.dl-info {
  display: flex;
  flex-direction: column;
  gap: 2px;
  margin-right: auto;
}
.dl-info b { font-size: 17px; }
.dl-info span { font-size: 13px; color: var(--muted); }
.dl-tip {
  margin-top: 18px;
  padding-top: 16px;
  border-top: 1px solid var(--border);
  font-size: 12.5px;
  color: var(--muted);
  text-align: center;
}
.dl-tip a { color: #4ade80; border-bottom: 1px dashed rgba(74, 222, 128, 0.5); }

/* ============ 页脚 ============ */
.footer {
  position: relative;
  z-index: 1;
  margin-top: 40px;
  border-top: 1px solid var(--border);
  background: linear-gradient(180deg, rgba(9, 13, 19, 0.4), rgba(9, 13, 19, 0.9));
}
.footer-inner {
  max-width: 1220px;
  margin: 0 auto;
  padding: 56px 24px 36px;
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 40px;
}
.footer-brand {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 4px;
}
.footer-brand b { font-size: 17px; margin-top: 10px; }
.footer-brand p { font-size: 13px; color: var(--muted); }
.footer-cols {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.fcol { display: flex; flex-direction: column; gap: 9px; }
.fcol h4 {
  font-size: 13.5px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--text);
  margin-bottom: 6px;
}
.fcol a {
  font-size: 13.5px;
  color: var(--muted);
  transition: color 0.2s, transform 0.2s;
}
.fcol a:hover { color: #4ade80; transform: translateX(3px); }
.footer-bottom {
  border-top: 1px solid var(--border);
  text-align: center;
  font-size: 12.5px;
  color: var(--muted);
  padding: 20px 24px;
}

/* ============ 为什么免费（信任区） ============ */
.whyfree .section-head p { max-width: 760px; margin-left: auto; margin-right: auto; }
.hl-inline { color: #4ade80; font-weight: 600; }

.why-grid { display: flex; flex-direction: column; gap: 22px; }

.author-card {
  position: relative;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 26px;
  align-items: center;
  background: linear-gradient(135deg, rgba(34, 197, 94, 0.08), rgba(6, 182, 212, 0.05)), var(--surface);
  border: 1px solid rgba(34, 197, 94, 0.32);
  border-radius: 20px;
  padding: clamp(24px, 3.4vw, 36px);
  overflow: hidden;
  transition: border-color 0.3s, box-shadow 0.3s;
}
.author-card:hover {
  border-color: rgba(34, 197, 94, 0.55);
  box-shadow: 0 18px 46px rgba(0, 0, 0, 0.35), var(--glow-soft);
}
.author-badge {
  width: 78px; height: 78px;
  flex-shrink: 0;
  border-radius: 22px;
  background: var(--grad);
  color: #06281a;
  font-size: 40px;
  font-weight: 800;
  display: grid;
  place-items: center;
  box-shadow: 0 12px 32px rgba(34, 197, 94, 0.45);
}
.author-main { min-width: 0; }
.author-id b { display: block; font-size: 18px; font-weight: 800; }
.author-id span { font-size: 12.5px; color: var(--muted); letter-spacing: 0.03em; }
.author-main p { margin-top: 10px; font-size: 14px; color: var(--text-soft); line-height: 1.8; }
.author-main p b { color: #4ade80; }

.income-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 22px;
}
.income-card {
  position: relative;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 30px 26px;
  overflow: hidden;
  transition: transform 0.3s cubic-bezier(0.22, 1, 0.36, 1), border-color 0.3s, box-shadow 0.3s;
}
.income-card::before {
  content: "";
  position: absolute;
  left: 0; right: 0; top: 0;
  height: 2px;
  opacity: 0.9;
}
.income-card.a::before { background: linear-gradient(90deg, transparent, #22c55e, transparent); }
.income-card.b::before { background: linear-gradient(90deg, transparent, #06b6d4, transparent); }
.income-card:hover {
  transform: translateY(-5px);
  border-color: var(--border-bright);
  box-shadow: 0 18px 44px rgba(0, 0, 0, 0.4);
}
.income-tag {
  display: inline-block;
  font-size: 11.5px;
  font-weight: 800;
  letter-spacing: 0.12em;
  border-radius: 999px;
  padding: 5px 14px;
  margin-bottom: 16px;
}
.income-card.a .income-tag { color: #06281a; background: var(--grad); }
.income-card.b .income-tag { color: #06281a; background: linear-gradient(135deg, #22d3ee, #38bdf8); }
.income-card h3 { font-size: 17px; font-weight: 700; margin-bottom: 10px; }
.income-card p { font-size: 13.5px; color: var(--muted); line-height: 1.8; margin-top: 8px; }
.income-card p b { color: var(--text); }

.why-note {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  max-width: 860px;
  margin: 26px auto 0;
  background: rgba(251, 191, 36, 0.05);
  border: 1px solid rgba(251, 191, 36, 0.24);
  border-radius: 18px;
  padding: 22px 28px;
}
.why-ico { font-size: 22px; line-height: 1.4; flex-shrink: 0; }
.why-note p { font-size: 14.5px; color: var(--text-soft); line-height: 1.8; }
.why-note p b { color: #fbbf24; }
.why-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  justify-content: center;
  margin-top: 34px;
}

/* 免费承诺区的补充引导 */
.free-more {
  position: relative;
  margin-top: 26px;
  font-size: 13.5px;
  color: var(--muted);
}
.free-more a {
  color: #4ade80;
  border-bottom: 1px dashed rgba(74, 222, 128, 0.5);
  transition: color 0.2s;
}
.free-more a:hover { color: #86efac; }

/* ============ 故事页：Hero ============ */
.story-hero {
  position: relative;
  z-index: 1;
  overflow: hidden;
  padding: calc(var(--nav-h) + 90px) 24px 20px;
  text-align: center;
}
.story-hero h1 {
  position: relative;
  font-size: clamp(30px, 5vw, 52px);
  font-weight: 900;
  line-height: 1.22;
  letter-spacing: 0.01em;
}
.story-hero h1 .grad {
  color: transparent;
  background: var(--grad-text);
  -webkit-background-clip: text;
  background-clip: text;
  filter: drop-shadow(0 2px 22px rgba(34, 197, 94, 0.3));
}
.story-sub {
  position: relative;
  max-width: 700px;
  margin: 22px auto 0;
  color: var(--text-soft);
  font-size: clamp(14.5px, 2vw, 17px);
  line-height: 1.9;
}
.meta-chips {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
  margin-top: 30px;
}
.meta-chip {
  font-size: 12.5px;
  color: var(--text-soft);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 7px 16px;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}
.meta-chip.g { color: #4ade80; border-color: rgba(34, 197, 94, 0.4); }

/* ============ 故事页：时间线 ============ */
.story-body { padding-top: 20px; }
.tl-intro {
  position: relative;
  z-index: 1;
  max-width: 720px;
  margin: 0 auto 26px;
  text-align: center;
  color: var(--muted);
  font-size: 14.5px;
  line-height: 1.9;
}

.tl {
  position: relative;
  max-width: 1080px;
  margin: 0 auto;
  padding: 14px 8px 26px;
}
.tl::before {
  content: "";
  position: absolute;
  left: 50%;
  top: 6px;
  bottom: 10px;
  width: 2px;
  transform: translateX(-50%);
  background: linear-gradient(180deg, transparent, rgba(34, 197, 94, 0.4) 8%, rgba(6, 182, 212, 0.35) 92%, transparent);
}

/* 章节胶囊（骑在时间线上） */
.tl-chapter {
  position: relative;
  z-index: 3;
  display: flex;
  justify-content: center;
  margin: 30px 0 40px;
}
.tl-chapter:first-child { margin-top: 6px; }
.chapter-pill {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: #0c1119;
  border: 1px solid rgba(34, 197, 94, 0.5);
  color: #4ade80;
  font-weight: 800;
  letter-spacing: 0.12em;
  font-size: 13px;
  border-radius: 999px;
  padding: 9px 22px;
  box-shadow: 0 0 0 10px rgba(13, 17, 23, 1), 0 0 26px rgba(34, 197, 94, 0.18);
  scroll-margin-top: calc(var(--nav-h) + 22px);
  transition: border-color 0.25s, box-shadow 0.25s;
  white-space: nowrap;
}
.chapter-pill:hover {
  border-color: rgba(74, 222, 128, 0.85);
  box-shadow: 0 0 0 10px rgba(13, 17, 23, 1), 0 0 34px rgba(34, 197, 94, 0.32);
}
.cp-num {
  width: 22px; height: 22px;
  border-radius: 50%;
  background: var(--grad);
  color: #06281a;
  font-size: 12px;
  font-weight: 800;
  font-family: var(--mono);
  display: grid;
  place-items: center;
  flex-shrink: 0;
}

/* 事件行 */
.tl-row {
  position: relative;
  z-index: 1;
  display: flex;
  margin-bottom: 6px;
}
.tl-row.alt { justify-content: flex-end; }
.tl-row .tl-card { width: calc(50% - 58px); }
.tl-dot {
  position: absolute;
  left: 50%;
  top: 34px;
  transform: translateX(-50%);
  width: 16px; height: 16px;
  border-radius: 50%;
  background: radial-gradient(circle at 32% 30%, #86efac, #22c55e 60%, #0ea371);
  box-shadow: 0 0 0 5px rgba(34, 197, 94, 0.16), 0 0 20px rgba(34, 197, 94, 0.55);
  z-index: 2;
}
.tl-row:last-child { margin-bottom: 0; }

.tl-card {
  position: relative;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 26px 26px;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  transition: border-color 0.3s, box-shadow 0.3s, transform 0.3s cubic-bezier(0.22, 1, 0.36, 1);
}
.tl-card:hover {
  border-color: rgba(34, 197, 94, 0.4);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.38);
  transform: translateY(-4px);
}
.tl-meta { display: flex; flex-wrap: wrap; gap: 8px; }
.tl-tag {
  font-size: 11.5px;
  font-weight: 700;
  color: #4ade80;
  background: rgba(34, 197, 94, 0.1);
  border: 1px solid rgba(34, 197, 94, 0.3);
  border-radius: 999px;
  padding: 4px 13px;
  letter-spacing: 0.08em;
}
.tl-time {
  font-size: 12px;
  font-family: var(--mono);
  color: var(--muted);
  border: 1px dashed var(--border-bright);
  background: rgba(255, 255, 255, 0.03);
  border-radius: 999px;
  padding: 4px 13px;
}
.tl-card h3 {
  font-size: 17.5px;
  font-weight: 700;
  line-height: 1.5;
  margin: 14px 0 6px;
}
.tl-card p {
  font-size: 14px;
  color: var(--muted);
  line-height: 1.85;
  margin-top: 8px;
}
.tl-card p b { color: var(--text); font-weight: 600; }

/* 留白（待补充）节点 */
.tl-card.ghost {
  border: 1px dashed rgba(251, 191, 36, 0.4);
  background: rgba(251, 191, 36, 0.045);
}
.tl-card.ghost:hover {
  border-color: rgba(251, 191, 36, 0.65);
  box-shadow: 0 12px 34px rgba(0, 0, 0, 0.3);
  transform: none;
}
.ghost-tag {
  font-size: 11.5px;
  font-weight: 700;
  color: #fbbf24;
  background: rgba(251, 191, 36, 0.1);
  border: 1px dashed rgba(251, 191, 36, 0.55);
  border-radius: 999px;
  padding: 4px 13px;
  letter-spacing: 0.08em;
}
.ghost-desc {
  margin-top: 10px;
  font-size: 13px;
  color: rgba(251, 191, 36, 0.72);
}
.fill-list {
  margin: 12px 0 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 9px;
}
.fill-list li {
  position: relative;
  padding-left: 20px;
  font-size: 13.5px;
  color: var(--text-soft);
  line-height: 1.75;
}
.fill-list li::before {
  content: "✎";
  position: absolute;
  left: 0;
  color: #fbbf24;
  opacity: 0.85;
}

/* 故事页尾板 */
.story-end {
  position: relative;
  z-index: 1;
  max-width: 860px;
  margin: 70px auto 0;
  text-align: center;
  background: linear-gradient(160deg, rgba(34, 197, 94, 0.09), rgba(13, 17, 23, 0.4) 55%), var(--surface);
  border: 1px solid rgba(34, 197, 94, 0.34);
  border-radius: 24px;
  padding: clamp(34px, 5vw, 56px) clamp(22px, 4vw, 52px);
  overflow: hidden;
}
.story-end h2 {
  font-size: clamp(24px, 3.6vw, 34px);
  font-weight: 900;
  margin-bottom: 14px;
}
.story-end p {
  color: var(--muted);
  font-size: 14.5px;
  line-height: 1.9;
  max-width: 580px;
  margin: 0 auto;
}
.story-end p b { color: #4ade80; }
.story-end .why-cta { margin-top: 30px; }
.story-end .story-end-note { margin-top: 24px; font-size: 12.5px; }

/* 故事/信任区响应式 */
@media (max-width: 920px) {
  .income-row { grid-template-columns: 1fr; }
  .author-card { grid-template-columns: 1fr; text-align: center; }
  .author-badge { margin: 0 auto; }

  .tl::before { left: 14px; transform: none; }
  .tl-row { display: block; }
  .tl-row.alt { justify-content: flex-start; }
  .tl-row .tl-card { width: 100%; margin-left: 40px; }
  .tl-dot { left: 14px; }
  .chapter-pill { white-space: normal; }
}

/* ============ 响应式 ============ */
@media (max-width: 1024px) {
  .pain-grid, .feature-grid { grid-template-columns: repeat(2, 1fr); }
  .roadmap-grid { grid-template-columns: repeat(3, 1fr); }
  .kingdee-inner { grid-template-columns: 1fr; gap: 44px; }
  .fc-a { left: -10px; }
  .fc-b { right: -12px; }
}

@media (max-width: 900px) {
  .flow-track { grid-template-columns: repeat(2, 1fr); gap: 34px 20px; }
  .flow-track::before { display: none; }
  .brand-tag { display: none; }

  /* 移动端导航抽屉 */
  .nav-toggle { display: flex; }
  .nav-links {
    position: fixed;
    top: var(--nav-h);
    left: 0; right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 4px;
    background: rgba(10, 14, 19, 0.97);
    border-bottom: 1px solid var(--border);
    padding: 14px 18px 20px;
    transform: translateY(-12px);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.28s, transform 0.28s;
    box-shadow: 0 24px 50px rgba(0, 0, 0, 0.5);
  }
  .nav-links.open {
    transform: none;
    opacity: 1;
    pointer-events: auto;
  }
  .nav-links a {
    padding: 13px 16px;
    font-size: 15.5px;
    border-radius: 10px;
  }
  .nav-actions .btn-ghost { display: none; }
}

@media (max-width: 720px) {
  .pain-grid, .feature-grid, .roadmap-grid { grid-template-columns: 1fr; }
  .hero { padding-top: calc(var(--nav-h) + 28px); }
  .window-body { flex-direction: column; }
  .app-sidebar {
    width: 100%;
    display: flex;
    overflow-x: auto;
    gap: 6px;
    border-right: none;
    border-bottom: 1px solid var(--border);
    padding: 10px;
  }
  .side-item { white-space: nowrap; margin-bottom: 0; font-size: 12.5px; }
  .float-card { display: none; }
  .mock-table td, .mock-table th { padding: 7px 8px; font-size: 11px; }
  .footer-inner { grid-template-columns: 1fr; gap: 28px; }
  .footer-cols { grid-template-columns: repeat(3, 1fr); gap: 16px; }
  .hero-stats { gap: 26px; }
  .stat { min-width: 100px; }
}

@media (max-width: 480px) {
  .section { padding: 84px 18px; }
  .hero-cta .btn { width: 100%; justify-content: center; }
  .dl-item { justify-content: center; text-align: center; }
  .dl-info { margin-right: 0; align-items: center; }
  .dl-item .btn { width: 100%; justify-content: center; }
  .flow-track { grid-template-columns: 1fr; }
  .footer-cols { grid-template-columns: 1fr 1fr; }
}

/* ============ 减少动态效果 ============ */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.001s !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001s !important;
  }
  .reveal { opacity: 1; transform: none; }
}

/* ============================================================
   V5.1 新增：品牌 Logo / 模块标签 / 模块网格 / 定价 / 商业模式 / FAQ
   ============================================================ */
.brand-logo {
  width: 36px; height: 36px;
  border-radius: 10px;
  box-shadow: 0 4px 18px rgba(34, 197, 94, 0.35);
  flex-shrink: 0;
}
.brand-name em {
  font-style: normal;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.08em;
  color: #06281a;
  background: var(--grad);
  border-radius: 6px;
  padding: 2px 6px;
  margin-left: 2px;
  vertical-align: middle;
}

/* 模块标签 */
.mod-tag {
  display: inline-block;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.04em;
  border-radius: 999px;
  padding: 2px 9px;
  margin-left: 8px;
  vertical-align: middle;
  white-space: nowrap;
}
.mod-tag.free { color: #4ade80; background: rgba(34, 197, 94, 0.12); border: 1px solid rgba(34, 197, 94, 0.3); }
.mod-tag.vip { color: #fbbf24; background: rgba(251, 191, 36, 0.12); border: 1px solid rgba(251, 191, 36, 0.3); }
.mod-tag.paid { color: #38bdf8; background: rgba(56, 189, 248, 0.12); border: 1px solid rgba(56, 189, 248, 0.3); }

/* 模块网格 */
.module-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}
.module-card {
  display: flex;
  align-items: center;
  gap: 16px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px 22px;
  transition: transform 0.3s cubic-bezier(0.22, 1, 0.36, 1), border-color 0.3s, box-shadow 0.3s, background 0.3s;
}
.module-card:hover {
  transform: translateY(-5px);
  border-color: rgba(34, 197, 94, 0.4);
  box-shadow: 0 18px 44px rgba(0, 0, 0, 0.42), 0 0 34px rgba(34, 197, 94, 0.08);
  background: var(--surface-strong);
}
.mod-icon {
  width: 50px; height: 50px;
  flex-shrink: 0;
  border-radius: 13px;
  display: grid;
  place-items: center;
  background: rgba(47, 111, 237, 0.12);
  border: 1px solid rgba(47, 111, 237, 0.28);
}
.mod-icon img { width: 26px; height: 26px; }
.mod-body h3 { font-size: 15px; font-weight: 700; }
.mod-body p { font-size: 12.5px; color: var(--muted); margin-top: 3px; }

/* 定价 */
.price-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
  align-items: stretch;
  max-width: 1040px;
  margin: 0 auto;
}
.price-card {
  position: relative;
  display: flex;
  flex-direction: column;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 34px 28px 28px;
  transition: transform 0.3s, border-color 0.3s, box-shadow 0.3s;
}
.price-card:hover { transform: translateY(-5px); border-color: var(--border-bright); box-shadow: 0 20px 50px rgba(0, 0, 0, 0.4); }
.price-card.featured {
  border-color: rgba(34, 197, 94, 0.5);
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.45), 0 0 46px rgba(34, 197, 94, 0.12);
  background: linear-gradient(160deg, rgba(34, 197, 94, 0.07), rgba(13, 17, 23, 0.4) 45%), var(--surface);
}
.price-badge {
  position: absolute;
  top: -13px; left: 50%;
  transform: translateX(-50%);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.06em;
  color: #06281a;
  background: var(--grad);
  border-radius: 999px;
  padding: 5px 16px;
  box-shadow: 0 8px 24px rgba(34, 197, 94, 0.4);
  white-space: nowrap;
}
.price-head h3 { font-size: 20px; font-weight: 800; }
.price-amount { margin-top: 12px; display: flex; align-items: baseline; gap: 8px; }
.price-amount b {
  font-size: 42px;
  font-weight: 900;
  font-family: var(--mono);
  color: transparent;
  background: var(--grad-text);
  -webkit-background-clip: text;
  background-clip: text;
  line-height: 1;
}
.price-card:not(.featured) .price-amount b {
  background: none;
  color: var(--text);
}
.price-amount span { color: var(--muted); font-size: 13px; }
.price-list {
  list-style: none;
  margin: 24px 0 26px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  flex: 1;
}
.price-list li {
  position: relative;
  padding-left: 24px;
  font-size: 14px;
  color: var(--text-soft);
}
.price-list li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: #4ade80;
  font-weight: 800;
}
.price-btn { justify-content: center; width: 100%; }
.price-note {
  max-width: 820px;
  margin: 38px auto 0;
  text-align: center;
  font-size: 14px;
  color: var(--muted);
  line-height: 1.9;
}
.price-note b { color: #4ade80; }

/* 商业模式 */
.biz-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.biz-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 24px;
  transition: transform 0.3s cubic-bezier(0.22, 1, 0.36, 1), border-color 0.3s, box-shadow 0.3s;
}
.biz-card:hover { transform: translateY(-5px); border-color: var(--border-bright); box-shadow: 0 18px 44px rgba(0, 0, 0, 0.4); }
.biz-icon {
  width: 54px; height: 54px;
  border-radius: 15px;
  display: grid;
  place-items: center;
  margin-bottom: 18px;
  border: 1px solid;
}
.biz-icon img { width: 26px; height: 26px; }
.biz-icon.free { background: rgba(34, 197, 94, 0.12); border-color: rgba(34, 197, 94, 0.4); }
.biz-icon.vip { background: rgba(251, 191, 36, 0.12); border-color: rgba(251, 191, 36, 0.4); }
.biz-icon.paid { background: rgba(56, 189, 248, 0.12); border-color: rgba(56, 189, 248, 0.4); }
.biz-icon.safe { background: rgba(192, 132, 252, 0.12); border-color: rgba(192, 132, 252, 0.4); }
.biz-card h3 { font-size: 17px; font-weight: 700; margin-bottom: 10px; }
.biz-card p { font-size: 13.5px; color: var(--muted); line-height: 1.8; }
.biz-card p b { color: var(--text); }

/* FAQ */
.faq-list {
  max-width: 840px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.faq-item {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 20px 24px;
  transition: border-color 0.25s, background 0.25s;
}
.faq-item:hover { border-color: var(--border-bright); background: var(--surface-strong); }
.faq-q { font-size: 16px; font-weight: 700; }
.faq-q::before { content: "Q "; color: #4ade80; font-family: var(--mono); }
.faq-a { margin-top: 9px; font-size: 14px; color: var(--muted); line-height: 1.85; }

.dl-ico-img { width: 56px; height: 56px; border-radius: 14px; flex-shrink: 0; }

@media (max-width: 1024px) {
  .module-grid { grid-template-columns: repeat(2, 1fr); }
  .price-grid { grid-template-columns: 1fr; max-width: 520px; }
  .biz-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 720px) {
  .module-grid, .biz-grid { grid-template-columns: 1fr; }
}