/* =================================================================
   Dawnm Cyber — Design System
   Cyberpunk × Editorial · Cyan + Gold
   ================================================================= */

@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@200;300;400;500;600;700;800&family=Noto+Sans+SC:wght@200;300;400;500;600;700;800&family=JetBrains+Mono:wght@300;400;500;600&display=swap');

/* ============== DESIGN TOKENS ============== */
:root {
  /* 背景层 */
  --bg: #000000;
  --bg-soft: #050810;
  --bg-elevated: #0A0F1C;
  --bg-card: #0E1424;
  --bg-glow: rgba(0, 255, 224, 0.04);

  /* 文字层 */
  --ink: #F5F5F7;
  --ink-soft: #B8C0CC;
  --ink-muted: #6A7280;
  --ink-faint: #3A424D;

  /* 强调色（赛博冷色）*/
  --cyan: #00FFE0;
  --cyan-soft: #66FFE9;
  --cyan-deep: #00B89E;
  --blue: #00D4FF;
  --blue-deep: #0091B3;
  --magenta: #FF2E93;
  --magenta-soft: #FF66B3;

  /* 品牌金色 */
  --gold: #FFD66B;
  --gold-soft: #FFE4A0;
  --gold-deep: #C9A96E;
  --gold-dark: #8C6E3A;

  /* 线条 */
  --line: rgba(0, 255, 224, 0.15);
  --line-strong: rgba(0, 255, 224, 0.3);
  --line-gold: rgba(255, 214, 107, 0.25);
  --line-soft: rgba(255, 255, 255, 0.06);

  /* 渐变 */
  --grad-cyber: linear-gradient(135deg, var(--cyan) 0%, var(--blue) 100%);
  --grad-gold: linear-gradient(135deg, var(--gold-soft) 0%, var(--gold) 50%, var(--gold-deep) 100%);
  --grad-mix: linear-gradient(135deg, var(--cyan) 0%, var(--gold) 100%);
  --grad-radial: radial-gradient(ellipse at top, rgba(0, 255, 224, 0.15) 0%, transparent 50%);

  /* 字体 */
  --font-display: 'Outfit', -apple-system, BlinkMacSystemFont, 'PingFang SC', 'Microsoft YaHei', sans-serif;
  --font-body: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'PingFang SC', 'Microsoft YaHei', sans-serif;
  --font-mono: 'JetBrains Mono', 'SF Mono', Menlo, Consolas, monospace;

  /* 间距 */
  --section-y: clamp(100px, 12vw, 160px);
  --container: 1280px;
  --gutter: clamp(20px, 4vw, 48px);

  /* 动效 */
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-bounce: cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* ============== RESET ============== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  background: var(--bg);
}
body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.7;
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  font-weight: 300;
  cursor: none; /* 自定义光标 */
}
@media (max-width: 768px) { body { cursor: auto; } }

img, svg, video { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; cursor: none; }
@media (max-width: 768px) { a { cursor: pointer; } }
button { font: inherit; cursor: none; border: none; background: none; color: inherit; }
@media (max-width: 768px) { button { cursor: pointer; } }
input, textarea, select { font: inherit; color: inherit; }
ul, ol { list-style: none; }

::selection { background: var(--cyan); color: var(--bg); }
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--line); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--cyan-deep); }

/* ============== TYPOGRAPHY ============== */
.font-display { font-family: var(--font-display); font-weight: 400; letter-spacing: -0.02em; }
.font-mono { font-family: var(--font-mono); }

.eyebrow {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--cyan);
  display: inline-flex;
  align-items: center;
  gap: 12px;
}
.eyebrow.gold { color: var(--gold); }
.eyebrow::before {
  content: '';
  width: 32px;
  height: 1px;
  background: currentColor;
  box-shadow: 0 0 8px currentColor;
}

.section-title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(36px, 5.4vw, 72px);
  line-height: 1.05;
  letter-spacing: -0.03em;
  color: var(--ink);
  margin-top: 20px;
}
.section-title em {
  font-style: normal;
  background: var(--grad-cyber);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  font-weight: 700;
}
.section-title em.gold {
  background: var(--grad-gold);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.section-sub {
  font-size: 16px;
  line-height: 1.75;
  color: var(--ink-muted);
  font-weight: 300;
  margin-top: 20px;
  max-width: 720px;
}

/* ============== CUSTOM CURSOR ============== */
.cursor {
  position: fixed;
  width: 8px;
  height: 8px;
  background: var(--cyan);
  border-radius: 50%;
  pointer-events: none;
  z-index: 9999;
  mix-blend-mode: difference;
  transform: translate(-50%, -50%);
  transition: transform 0.15s var(--ease-out);
  box-shadow: 0 0 16px var(--cyan), 0 0 32px rgba(0, 255, 224, 0.4);
}
.cursor-ring {
  position: fixed;
  width: 40px;
  height: 40px;
  border: 1px solid var(--cyan);
  border-radius: 50%;
  pointer-events: none;
  z-index: 9998;
  transform: translate(-50%, -50%);
  transition: transform 0.3s var(--ease-out), width 0.3s, height 0.3s, border-color 0.3s;
}
.cursor-ring.hover {
  width: 64px;
  height: 64px;
  border-color: var(--gold);
  box-shadow: 0 0 16px var(--gold);
}
@media (max-width: 768px) {
  .cursor, .cursor-ring { display: none; }
}

/* ============== NAV ============== */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 20px 0;
  background: rgba(0, 0, 0, 0.4);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border-bottom: 1px solid var(--line-soft);
  transition: padding 0.3s var(--ease);
}
.nav.scrolled {
  padding: 14px 0;
  background: rgba(0, 0, 0, 0.85);
  border-bottom-color: var(--line);
}
.nav__inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--gutter);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
}
.nav__logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 18px;
  letter-spacing: -0.02em;
}
.nav__logo-mark {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  position: relative;
  overflow: hidden;
  box-shadow: 0 0 16px rgba(0, 255, 224, 0.2);
  transition: box-shadow 0.3s var(--ease);
}
.nav__logo:hover .nav__logo-mark {
  box-shadow: 0 0 24px rgba(255, 214, 107, 0.4);
}
.nav__logo-mark img {
  width: 100%;
  height: 100%;
  position: relative;
  z-index: 1;
  display: block;
  object-fit: cover;
}
.nav__logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}
.nav__logo-text span:first-child {
  color: var(--ink);
  font-weight: 700;
  font-size: 17px;
  letter-spacing: -0.01em;
}
.nav__logo-text span:last-child {
  color: var(--gold);
  font-size: 11px;
  font-family: var(--font-body);
  font-weight: 500;
  letter-spacing: 0.15em;
  margin-top: 3px;
}
.nav__menu {
  display: flex;
  align-items: center;
  gap: 8px;
  list-style: none;
}
.nav__item {
  position: relative;
  padding: 8px 16px;
  font-size: 14px;
  font-weight: 400;
  color: var(--ink-soft);
  transition: color 0.2s;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.nav__item::after {
  content: '';
  position: absolute;
  bottom: 4px;
  left: 16px;
  right: 16px;
  height: 1px;
  background: var(--cyan);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s var(--ease);
}
.nav__item:hover { color: var(--ink); }
.nav__item:hover::after,
.nav__item.is-active::after { transform: scaleX(1); }
.nav__item.is-active { color: var(--cyan); }

.nav__cta {
  padding: 10px 20px;
  font-size: 13px;
  font-weight: 500;
  background: var(--cyan);
  color: var(--bg);
  font-family: var(--font-mono);
  letter-spacing: 0.05em;
  position: relative;
  overflow: hidden;
  transition: all 0.3s var(--ease);
}
.nav__cta::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--gold);
  transform: translateX(-101%);
  transition: transform 0.4s var(--ease);
}
.nav__cta:hover { color: var(--bg); }
.nav__cta:hover::before { transform: translateX(0); }
.nav__cta span { position: relative; z-index: 1; }

.nav__status {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--ink-muted);
  letter-spacing: 0.1em;
}
.nav__status-dot {
  width: 6px;
  height: 6px;
  background: var(--cyan);
  border-radius: 50%;
  box-shadow: 0 0 8px var(--cyan);
  animation: pulse 2s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(0.8); }
}

.nav__toggle {
  display: none;
  width: 40px;
  height: 40px;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--line);
}
.nav__toggle svg { width: 20px; height: 20px; }

@media (max-width: 900px) {
  .nav { padding: 14px 0; }
  .nav__inner { position: relative; gap: 16px; }
  .nav__cta { display: none; }
  .nav__status { display: none; }
  .nav__toggle { display: flex; }
  .nav__menu {
    display: none;
    position: absolute;
    top: calc(100% + 14px);
    left: var(--gutter);
    right: var(--gutter);
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 8px 0;
    background: rgba(5, 8, 16, 0.96);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border: 1px solid var(--line);
    box-shadow: 0 24px 48px rgba(0, 0, 0, 0.5);
    z-index: 99;
  }
  .nav__menu.is-open { display: flex; }
  .nav__menu .nav__item {
    width: 100%;
    padding: 14px 20px;
    border-bottom: 1px solid var(--line-soft);
    font-size: 14px;
  }
  .nav__menu .nav__item::after { display: none; }
  .nav__menu .nav__item:last-child { border-bottom: none; }
}

/* ============== HERO ============== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  padding: 120px 0 80px;
}
.hero__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.hero__grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(0, 255, 224, 0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 255, 224, 0.08) 1px, transparent 1px);
  background-size: 80px 80px;
  mask-image: radial-gradient(ellipse at center, black 30%, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse at center, black 30%, transparent 70%);
  animation: gridShift 30s linear infinite;
}
@keyframes gridShift {
  0% { background-position: 0 0; }
  100% { background-position: 80px 80px; }
}
.hero__particles {
  position: absolute;
  inset: 0;
  z-index: 1;
}
.hero__glow {
  position: absolute;
  width: 800px;
  height: 800px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(0, 255, 224, 0.15) 0%, transparent 60%);
  top: 20%;
  right: -10%;
  filter: blur(40px);
  animation: glowFloat 12s ease-in-out infinite;
}
.hero__glow--gold {
  background: radial-gradient(circle, rgba(255, 214, 107, 0.12) 0%, transparent 60%);
  top: 60%;
  left: -10%;
  animation-delay: -6s;
}
@keyframes glowFloat {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(-40px, 40px) scale(1.1); }
}
.hero__vignette {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 50%, var(--bg) 100%);
  z-index: 2;
}

.hero__inner {
  position: relative;
  z-index: 3;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--gutter);
  width: 100%;
}
.hero__content {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 80px;
  align-items: center;
}
@media (max-width: 900px) {
  .hero__content { grid-template-columns: 1fr; gap: 60px; }
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 8px 16px;
  border: 1px solid var(--line);
  background: rgba(0, 255, 224, 0.04);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--cyan);
  text-transform: uppercase;
  margin-bottom: 32px;
  position: relative;
  overflow: hidden;
}
.hero__badge::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  width: 3px;
  height: 100%;
  background: var(--cyan);
  box-shadow: 0 0 12px var(--cyan);
}
.hero__badge-dot {
  width: 4px;
  height: 4px;
  background: var(--cyan);
  border-radius: 50%;
  animation: pulse 1.5s ease-in-out infinite;
}

.hero__title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(64px, 11vw, 168px);
  line-height: 0.95;
  letter-spacing: -0.04em;
  margin-bottom: 24px;
}
.hero__title-line-1 {
  display: block;
  color: var(--ink);
  position: relative;
}
.hero__title-line-1::after {
  content: '';
  position: absolute;
  bottom: 8px;
  right: 0;
  width: 16px;
  height: 80%;
  background: var(--cyan);
  animation: blink 1s steps(2) infinite;
  display: none; /* 暂时不用，保留结构 */
}
@keyframes blink {
  0%, 50% { opacity: 1; }
  51%, 100% { opacity: 0; }
}
.hero__title-line-2 {
  display: block;
  background: var(--grad-cyber);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  font-size: 0.4em;
  font-weight: 500;
  letter-spacing: 0.2em;
  margin-top: 16px;
  text-transform: uppercase;
}
.hero__title-cn {
  display: block;
  font-size: clamp(20px, 2.4vw, 32px);
  font-weight: 500;
  color: var(--ink-soft);
  margin-top: 24px;
  letter-spacing: 0.05em;
  font-family: var(--font-body);
}

.hero__sub {
  font-size: clamp(16px, 1.4vw, 20px);
  line-height: 1.7;
  color: var(--ink-soft);
  margin-bottom: 48px;
  max-width: 560px;
  font-weight: 300;
}
.hero__sub strong {
  color: var(--cyan);
  font-weight: 500;
}

.hero__cta {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 64px;
}

.hero__data {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  padding-top: 40px;
  border-top: 1px solid var(--line);
}
.hero__data-item {
  position: relative;
}
.hero__data-num {
  font-family: var(--font-display);
  font-size: clamp(28px, 3.6vw, 48px);
  font-weight: 700;
  background: var(--grad-gold);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  line-height: 1;
  margin-bottom: 8px;
  letter-spacing: -0.02em;
}
.hero__data-num sup {
  font-size: 0.5em;
  color: var(--cyan);
  background: none;
  -webkit-text-fill-color: var(--cyan);
  font-weight: 500;
  margin-left: 2px;
}
.hero__data-label {
  font-size: 12px;
  color: var(--ink-muted);
  font-family: var(--font-mono);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

/* 终端卡片 */
.terminal {
  background: rgba(10, 15, 28, 0.8);
  border: 1px solid var(--line);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  position: relative;
  overflow: hidden;
  box-shadow: 0 32px 64px rgba(0, 0, 0, 0.4), 0 0 0 1px var(--line-soft);
}
.terminal::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--cyan), transparent);
  animation: scanline 3s linear infinite;
}
@keyframes scanline {
  0% { transform: translateX(-100%); }
  100% { transform: translateX(100%); }
}
.terminal__header {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 16px;
  border-bottom: 1px solid var(--line-soft);
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--ink-muted);
}
.terminal__dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--line);
}
.terminal__dot:nth-child(1) { background: #FF5F57; }
.terminal__dot:nth-child(2) { background: #FEBC2E; }
.terminal__dot:nth-child(3) { background: #28C840; }
.terminal__title {
  margin-left: 12px;
  letter-spacing: 0.1em;
}
.terminal__body {
  padding: 24px;
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.8;
  color: var(--ink-soft);
}
.terminal__line {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  margin-bottom: 4px;
}
.terminal__prompt {
  color: var(--cyan);
  font-weight: 500;
}
.terminal__cmd {
  color: var(--ink);
}
.terminal__out {
  color: var(--ink-muted);
  padding-left: 16px;
  margin-bottom: 12px;
}
.terminal__out .hi { color: var(--gold); }
.terminal__out .ok { color: var(--cyan); }
.terminal__cursor {
  display: inline-block;
  width: 8px;
  height: 14px;
  background: var(--cyan);
  vertical-align: middle;
  margin-left: 2px;
  animation: blink 1s steps(2) infinite;
}

/* Hero 滚动指示 */
.hero__scroll {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.2em;
  color: var(--ink-muted);
  z-index: 3;
}
.hero__scroll-line {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, var(--cyan), transparent);
  position: relative;
  overflow: hidden;
}
.hero__scroll-line::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 50%;
  background: var(--cyan);
  animation: scrollLine 1.5s ease-in-out infinite;
}
@keyframes scrollLine {
  0% { transform: translateY(-100%); }
  100% { transform: translateY(200%); }
}

/* ============== SECTIONS ============== */
.section {
  position: relative;
  padding: var(--section-y) 0;
  overflow: hidden;
}
.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--gutter);
  position: relative;
  z-index: 2;
}
.section__header {
  margin-bottom: 80px;
  position: relative;
}
.section__header.center { text-align: center; }
.section__header.center .eyebrow { justify-content: center; }
.section__header.center .section-sub { margin-left: auto; margin-right: auto; }

/* ============== FDE INTRO / PILLARS ============== */
.pillars {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--line-soft);
  border: 1px solid var(--line-soft);
}
.pillar {
  background: var(--bg);
  padding: 40px 32px;
  position: relative;
  transition: all 0.4s var(--ease);
  overflow: hidden;
}
.pillar::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--grad-cyber);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.5s var(--ease);
}
.pillar:hover { background: var(--bg-elevated); }
.pillar:hover::before { transform: scaleX(1); }
.pillar__num {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--cyan);
  letter-spacing: 0.2em;
  margin-bottom: 24px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.pillar__num::before {
  content: '';
  width: 24px;
  height: 1px;
  background: var(--cyan);
}
.pillar__icon {
  width: 48px;
  height: 48px;
  border: 1px solid var(--line);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 24px;
  position: relative;
  background: var(--bg-soft);
}
.pillar__icon::before {
  content: '';
  position: absolute;
  inset: -1px;
  background: var(--grad-cyber);
  opacity: 0;
  transition: opacity 0.3s;
  z-index: -1;
}
.pillar:hover .pillar__icon { border-color: var(--cyan); }
.pillar__icon svg {
  width: 24px;
  height: 24px;
  color: var(--cyan);
}
.pillar__title {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 4px;
  letter-spacing: -0.01em;
}
.pillar__title-en {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--ink-muted);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  margin-bottom: 16px;
}
.pillar__desc {
  font-size: 14px;
  line-height: 1.7;
  color: var(--ink-muted);
  font-weight: 300;
}
@media (max-width: 900px) { .pillars { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 600px) { .pillars { grid-template-columns: 1fr; } }

/* ============== BUTTONS ============== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 24px;
  font-size: 14px;
  font-weight: 500;
  font-family: var(--font-mono);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  border: 1px solid transparent;
  position: relative;
  overflow: hidden;
  transition: all 0.3s var(--ease);
  cursor: none;
}
@media (max-width: 768px) { .btn { cursor: pointer; } }
.btn svg { width: 16px; height: 16px; transition: transform 0.3s var(--ease); }
.btn:hover svg { transform: translateX(4px); }

.btn--primary {
  background: var(--cyan);
  color: var(--bg);
  box-shadow: 0 0 0 0 var(--cyan), 0 8px 24px rgba(0, 255, 224, 0.2);
}
.btn--primary:hover {
  background: var(--ink);
  box-shadow: 0 0 24px rgba(0, 255, 224, 0.5);
}

.btn--gold {
  background: var(--gold);
  color: var(--bg);
  box-shadow: 0 8px 24px rgba(255, 214, 107, 0.25);
}
.btn--gold:hover {
  background: var(--ink);
  box-shadow: 0 0 24px rgba(255, 214, 107, 0.5);
}

.btn--outline {
  border-color: var(--line);
  color: var(--ink);
  background: transparent;
}
.btn--outline:hover {
  border-color: var(--cyan);
  background: rgba(0, 255, 224, 0.06);
  color: var(--cyan);
}

.btn--ghost {
  padding: 14px 0;
  color: var(--cyan);
  border-bottom: 1px solid var(--line);
}
.btn--ghost:hover { color: var(--gold); border-color: var(--gold); }

/* ============== FDE 6 CAPABILITIES ============== */
.capabilities {
  background: var(--bg-soft);
  position: relative;
}
.capabilities::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--line), transparent);
}
.capabilities::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--line), transparent);
}
.cap-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--line-soft);
  border: 1px solid var(--line-soft);
}
.cap {
  background: var(--bg);
  padding: 40px 32px;
  position: relative;
  transition: all 0.3s var(--ease);
  min-height: 260px;
  display: flex;
  flex-direction: column;
}
.cap:hover { background: var(--bg-elevated); }
.cap__index {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--gold);
  letter-spacing: 0.2em;
  margin-bottom: 24px;
}
.cap__icon {
  width: 56px;
  height: 56px;
  background: var(--bg-soft);
  border: 1px solid var(--line);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 24px;
  position: relative;
  transition: all 0.3s;
}
.cap:hover .cap__icon {
  background: var(--bg);
  border-color: var(--gold);
  transform: rotate(-3deg);
}
.cap__icon svg { width: 28px; height: 28px; color: var(--gold); }
.cap__title {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 12px;
  letter-spacing: -0.01em;
}
.cap__desc {
  font-size: 14px;
  line-height: 1.7;
  color: var(--ink-muted);
  flex: 1;
}
.cap__corner {
  position: absolute;
  top: 12px;
  right: 12px;
  width: 8px;
  height: 8px;
  border-top: 1px solid var(--line);
  border-right: 1px solid var(--line);
  transition: all 0.3s;
}
.cap:hover .cap__corner {
  border-color: var(--gold);
  width: 16px;
  height: 16px;
}
@media (max-width: 900px) { .cap-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 600px) { .cap-grid { grid-template-columns: 1fr; } }

/* ============== FDE PROCESS ============== */
.process {
  position: relative;
}
/* 渐变时间线放在 process 内部顶部（标题下方、4 step 上方） */
.process-track {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  position: relative;
  padding-top: 32px;
  border: 1px solid var(--line-soft);
  background: linear-gradient(180deg, rgba(0, 255, 224, 0.02) 0%, transparent 30%);
}
.process-track::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg,
    var(--cyan) 0%,
    var(--blue) 33%,
    var(--magenta) 66%,
    var(--gold) 100%
  );
  box-shadow: 0 0 16px rgba(0, 255, 224, 0.4);
  z-index: 3;
}
.process-step {
  padding: 24px 28px 40px;
  position: relative;
  border-right: 1px solid var(--line-soft);
  transition: background 0.3s;
}
.process-step:last-child { border-right: none; }
.process-step:hover { background: rgba(0, 255, 224, 0.02); }
.process-step__num {
  position: absolute;
  top: -10px;
  left: 50%;
  transform: translateX(-50%);
  width: 18px;
  height: 18px;
  background: var(--bg);
  border: 2px solid var(--cyan);
  z-index: 4;
  box-shadow: 0 0 16px var(--cyan), inset 0 0 0 2px var(--bg);
  transition: all 0.3s;
}
.process-step__num::after {
  content: '';
  position: absolute;
  inset: 3px;
  background: var(--cyan);
  opacity: 0.6;
  transition: all 0.3s;
}
.process-step:hover .process-step__num {
  transform: translateX(-50%) scale(1.3);
  box-shadow: 0 0 24px var(--cyan), inset 0 0 0 2px var(--bg);
}
.process-step:hover .process-step__num::after {
  opacity: 1;
  background: var(--cyan);
}
.process-step__inner {
  padding-top: 8px;
}
.process-step__index {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--ink-muted);
  letter-spacing: 0.2em;
  margin-bottom: 12px;
}
.process-step__title {
  font-family: var(--font-display);
  font-size: 24px;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 4px;
}
.process-step__title-en {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--cyan);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  margin-bottom: 16px;
}
.process-step__desc {
  font-size: 14px;
  line-height: 1.7;
  color: var(--ink-muted);
}
@media (max-width: 900px) {
  .process-track { grid-template-columns: 1fr; padding-top: 0; }
  .process-track::before { display: none; }
  .process-step { border-right: none; border-bottom: 1px solid var(--line-soft); }
  .process-step__num { top: 20px; left: 28px; transform: none; }
  .process-step__num::after { left: 50%; top: 50%; transform: translate(-50%, -50%); inset: auto; width: 8px; height: 8px; }
  .process-step:hover .process-step__num { transform: scale(1.3); }
  .process-step__inner { padding-top: 0; padding-left: 36px; }
}

/* ============== SERVICES ============== */
.services {
  background: var(--bg-soft);
}
.svc-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.svc {
  padding: 32px 28px;
  background: var(--bg);
  border: 1px solid var(--line-soft);
  position: relative;
  transition: all 0.4s var(--ease);
  overflow: hidden;
  cursor: none;
}
@media (max-width: 768px) { .svc { cursor: pointer; } }
.svc::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle at 100% 0%, rgba(0, 255, 224, 0.08), transparent 60%);
  opacity: 0;
  transition: opacity 0.4s;
}
.svc:hover {
  border-color: var(--cyan);
  transform: translateY(-4px);
  box-shadow: 0 16px 48px rgba(0, 255, 224, 0.1);
}
.svc:hover::before { opacity: 1; }
.svc__icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-elevated);
  border: 1px solid var(--line);
  margin-bottom: 24px;
  position: relative;
  z-index: 1;
}
.svc__icon svg { width: 24px; height: 24px; color: var(--cyan); }
.svc__title {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 12px;
  position: relative;
  z-index: 1;
}
.svc__desc {
  font-size: 14px;
  line-height: 1.7;
  color: var(--ink-muted);
  margin-bottom: 24px;
  position: relative;
  z-index: 1;
}
.svc__arrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--cyan);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  position: relative;
  z-index: 1;
  transition: gap 0.3s var(--ease);
}
.svc:hover .svc__arrow { gap: 16px; }
.svc__arrow svg { width: 14px; height: 14px; }

@media (max-width: 900px) { .svc-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 600px) { .svc-grid { grid-template-columns: 1fr; } }

/* ============== AI TRAINING (NEW BLOCK) ============== */
.training {
  position: relative;
  background: var(--bg);
  overflow: hidden;
}
.training::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 60%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--gold), transparent);
}
.training::after {
  content: '';
  position: absolute;
  top: 20%;
  right: -10%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(255, 214, 107, 0.08) 0%, transparent 60%);
  filter: blur(40px);
  z-index: 0;
}

.training-hero {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
  margin-bottom: 96px;
}
@media (max-width: 900px) { .training-hero { grid-template-columns: 1fr; gap: 60px; } }

.training-hero__visual {
  position: relative;
  aspect-ratio: 4/3;
  background: var(--bg-soft);
  border: 1px solid var(--line);
  overflow: hidden;
}
.training-hero__visual::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(0, 255, 224, 0.1), rgba(255, 214, 107, 0.1));
  z-index: 1;
}
.training-hero__visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(0.4) contrast(1.1) brightness(0.7);
  mix-blend-mode: luminosity;
}
.training-hero__overlay {
  position: absolute;
  bottom: 24px;
  left: 24px;
  right: 24px;
  z-index: 2;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(12px);
  border: 1px solid var(--line);
  padding: 20px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--ink-soft);
}
.training-hero__overlay-row {
  display: flex;
  justify-content: space-between;
  padding: 4px 0;
  border-bottom: 1px solid var(--line-soft);
}
.training-hero__overlay-row:last-child { border-bottom: none; }
.training-hero__overlay-row span:last-child { color: var(--cyan); }

.training-types {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: 96px;
}
.t-type {
  padding: 40px 32px;
  border: 1px solid var(--line);
  background: var(--bg-soft);
  position: relative;
  transition: all 0.4s var(--ease);
  overflow: hidden;
}
.t-type::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--grad-mix);
  opacity: 0;
  transition: opacity 0.4s;
  z-index: 0;
}
.t-type:hover {
  border-color: var(--gold);
  transform: translateY(-6px);
  box-shadow: 0 24px 48px rgba(255, 214, 107, 0.1);
}
.t-type__tag {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--gold);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  margin-bottom: 16px;
  position: relative;
  z-index: 1;
}
.t-type__title {
  font-family: var(--font-display);
  font-size: 28px;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 8px;
  position: relative;
  z-index: 1;
  letter-spacing: -0.02em;
}
.t-type__subtitle {
  font-size: 14px;
  color: var(--ink-muted);
  margin-bottom: 24px;
  position: relative;
  z-index: 1;
}
.t-type__price {
  display: flex;
  align-items: baseline;
  gap: 8px;
  padding: 16px 0;
  border-top: 1px solid var(--line-soft);
  border-bottom: 1px solid var(--line-soft);
  margin-bottom: 24px;
  position: relative;
  z-index: 1;
}
.t-type__price-num {
  font-family: var(--font-display);
  font-size: 32px;
  font-weight: 700;
  color: var(--gold);
  letter-spacing: -0.02em;
}
.t-type__price-suffix {
  font-size: 12px;
  color: var(--ink-muted);
  font-family: var(--font-mono);
}
.t-type__list {
  list-style: none;
  position: relative;
  z-index: 1;
}
.t-type__list li {
  font-size: 13px;
  color: var(--ink-soft);
  padding: 6px 0;
  display: flex;
  align-items: flex-start;
  gap: 8px;
}
.t-type__list li::before {
  content: '→';
  color: var(--cyan);
  font-family: var(--font-mono);
  flex-shrink: 0;
  margin-top: 1px;
}
.t-type__cta {
  margin-top: 24px;
  width: 100%;
  justify-content: center;
  position: relative;
  z-index: 1;
}
@media (max-width: 900px) { .training-types { grid-template-columns: 1fr; } }

.training-features {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  padding: 48px 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.t-feat {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.t-feat__num {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--cyan);
  letter-spacing: 0.2em;
}
.t-feat__title {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 600;
  color: var(--ink);
}
.t-feat__desc {
  font-size: 13px;
  line-height: 1.6;
  color: var(--ink-muted);
}
@media (max-width: 900px) { .training-features { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 600px) { .training-features { grid-template-columns: 1fr; } }

/* ============== ABOUT ============== */
.about {
  background: var(--bg-soft);
}
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 80px;
  align-items: start;
}
@media (max-width: 900px) { .about-grid { grid-template-columns: 1fr; gap: 48px; } }

.about-photo {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.about-photo__frame {
  aspect-ratio: 3/4;
  background: var(--bg-elevated);
  border: 1px solid var(--line);
  position: relative;
  overflow: hidden;
  box-shadow: 0 32px 64px rgba(0, 0, 0, 0.4);
  transition: transform 0.4s var(--ease);
}
.about-photo__frame::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 60%, rgba(0, 0, 0, 0.4) 100%);
  z-index: 2;
  pointer-events: none;
}
.about-photo__frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
  filter: contrast(1.05) saturate(0.95);
  transition: transform 0.6s var(--ease);
}
.about-photo__frame:hover img { transform: scale(1.03); }
.about-photo__scan {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--cyan), transparent);
  z-index: 3;
  animation: scanline 4s linear infinite;
  pointer-events: none;
}
/* 四角 cyber 标记 */
.about-photo__corners { position: absolute; inset: 12px; z-index: 3; pointer-events: none; }
.about-photo__corners span {
  position: absolute;
  width: 16px;
  height: 16px;
  border: 1px solid var(--cyan);
  opacity: 0.7;
  transition: opacity 0.3s, border-color 0.3s;
}
.about-photo__corners span:nth-child(1) { top: 0; left: 0; border-right: none; border-bottom: none; }
.about-photo__corners span:nth-child(2) { top: 0; right: 0; border-left: none; border-bottom: none; }
.about-photo__corners span:nth-child(3) { bottom: 0; left: 0; border-right: none; border-top: none; }
.about-photo__corners span:nth-child(4) { bottom: 0; right: 0; border-left: none; border-top: none; }
.about-photo__frame:hover .about-photo__corners span { opacity: 1; border-color: var(--gold); }

.about-photo__tag {
  background: var(--bg-elevated);
  border: 1px solid var(--line);
  border-left: 2px solid var(--gold);
  padding: 12px 16px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--gold);
  letter-spacing: 0.1em;
  display: flex;
  align-items: center;
  gap: 12px;
}
.about-photo__tag::before {
  content: '';
  width: 6px;
  height: 6px;
  background: var(--cyan);
  border-radius: 50%;
  box-shadow: 0 0 8px var(--cyan);
  animation: pulse 2s ease-in-out infinite;
}

.about-text h2 {
  font-family: var(--font-display);
  font-size: clamp(32px, 4.5vw, 56px);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin: 16px 0 24px;
}
.about-text h2 em {
  font-style: normal;
  color: var(--cyan);
}
.about-text p {
  font-size: 16px;
  line-height: 1.85;
  color: var(--ink-soft);
  margin-bottom: 16px;
  font-weight: 300;
}
.about-text p strong {
  color: var(--ink);
  font-weight: 500;
}
.about-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 40px;
  padding-top: 32px;
  border-top: 1px solid var(--line);
}
.about-stat__num {
  font-family: var(--font-display);
  font-size: 36px;
  font-weight: 700;
  color: var(--cyan);
  margin-bottom: 4px;
  letter-spacing: -0.02em;
}
.about-stat__label {
  font-size: 12px;
  color: var(--ink-muted);
  font-family: var(--font-mono);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

/* ============== CTA SECTION ============== */
.cta-section {
  position: relative;
  padding: 120px 0;
  overflow: hidden;
}
.cta-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--grad-radial);
  z-index: 0;
}
.cta-section__inner {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
}
.cta-section__title {
  font-family: var(--font-display);
  font-size: clamp(40px, 6vw, 88px);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -0.03em;
  margin: 24px 0;
}
.cta-section__title em {
  font-style: normal;
  background: var(--grad-mix);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.cta-section__sub {
  font-size: 18px;
  color: var(--ink-soft);
  margin-bottom: 48px;
  font-weight: 300;
}
.cta-section__actions {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}

/* ============== FOOTER ============== */
.footer {
  background: var(--bg);
  border-top: 1px solid var(--line-soft);
  padding: 64px 0 32px;
  position: relative;
}
.footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}
@media (max-width: 900px) { .footer__grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 600px) { .footer__grid { grid-template-columns: 1fr; } }

.footer__brand {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--ink);
}
.footer__desc {
  font-size: 13px;
  color: var(--ink-muted);
  line-height: 1.7;
  max-width: 320px;
}
.footer__col-title {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--cyan);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  margin-bottom: 16px;
}
.footer__col a {
  display: block;
  font-size: 14px;
  color: var(--ink-soft);
  padding: 6px 0;
  transition: color 0.2s;
}
.footer__col a:hover { color: var(--cyan); }
.footer__bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 32px;
  border-top: 1px solid var(--line-soft);
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--ink-muted);
  letter-spacing: 0.1em;
  flex-wrap: wrap;
  gap: 16px;
}
.footer__bottom-right { display: flex; gap: 24px; }
.footer__bottom a:hover { color: var(--cyan); }

/* ============== REVEAL ANIMATION ============== */
.no-fx .reveal,
.no-fx [data-stagger],
.no-fx [data-stagger] > * {
  opacity: 1 !important;
  transform: none !important;
}
/* 默认可见（防止 JS 未加载时元素消失） */
.reveal {
  opacity: 1;
  transform: none;
  transition: opacity 0.8s var(--ease), transform 0.8s var(--ease);
}
html.js-on .reveal:not(.in):not([data-stagger]) {
  opacity: 0;
  transform: translateY(30px);
}
html.js-on [data-stagger]:not(.in) {
  opacity: 0;
}
html.js-on [data-stagger]:not(.in) > * {
  opacity: 0;
  transform: translateY(20px);
}
.reveal.in {
  opacity: 1;
  transform: translateY(0);
}
.reveal--left { transform: translateX(-30px); }
.reveal--left.in { transform: translateX(0); }
.reveal--right { transform: translateX(30px); }
.reveal--right.in { transform: translateX(0); }
.reveal--scale { transform: scale(0.95); }
.reveal--scale.in { transform: scale(1); }

[data-stagger] > * {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s var(--ease), transform 0.6s var(--ease);
}
[data-stagger].in > * {
  opacity: 1;
  transform: translateY(0);
}
[data-stagger].in > *:nth-child(1) { transition-delay: 0.05s; }
[data-stagger].in > *:nth-child(2) { transition-delay: 0.15s; }
[data-stagger].in > *:nth-child(3) { transition-delay: 0.25s; }
[data-stagger].in > *:nth-child(4) { transition-delay: 0.35s; }
[data-stagger].in > *:nth-child(5) { transition-delay: 0.45s; }
[data-stagger].in > *:nth-child(6) { transition-delay: 0.55s; }
[data-stagger].in > *:nth-child(7) { transition-delay: 0.65s; }
[data-stagger].in > *:nth-child(8) { transition-delay: 0.75s; }

/* ============== UTIL ============== */
.mt-0 { margin-top: 0 !important; }
.text-center { text-align: center; }
.text-cyan { color: var(--cyan); }
.text-gold { color: var(--gold); }

/* ============== MOBILE TYPOGRAPHY ============== */
@media (max-width: 600px) {
  /* 基础字号加大 */
  body { font-size: 17px; line-height: 1.75; }

  /* 通用 section 间距收紧 */
  .section { padding: 64px 0; }
  .section__header { margin-bottom: 40px; }

  /* 标题层级 */
  .section-title { font-size: 32px; line-height: 1.1; letter-spacing: -0.02em; }
  .section-title br { display: inline; }
  .section-sub { font-size: 16px; line-height: 1.7; margin-top: 16px; }
  .eyebrow { font-size: 12px; letter-spacing: 0.18em; gap: 10px; }
  .eyebrow::before { width: 24px; }

  /* Hero */
  .hero { padding: 110px 0 60px; min-height: auto; }
  .hero__badge { font-size: 11px; padding: 7px 12px; margin-bottom: 24px; }
  .hero__title { font-size: 64px; line-height: 0.95; margin-bottom: 16px; }
  .hero__title-line-2 { font-size: 16px; letter-spacing: 0.18em; margin-top: 12px; }
  .hero__title-cn { font-size: 20px; margin-top: 20px; }
  .hero__sub { font-size: 16px; line-height: 1.75; margin-bottom: 36px; }
  .hero__cta { margin-bottom: 40px; gap: 12px; }
  .hero__cta .btn { padding: 14px 22px; font-size: 13px; }
  .hero__data { grid-template-columns: repeat(2, 1fr); gap: 20px; padding-top: 28px; }
  .hero__data-num { font-size: 32px; }
  .hero__data-num sup { font-size: 0.5em; }
  .hero__data-label { font-size: 11px; }
  .hero__scroll { display: none; }

  /* Terminal 卡片 */
  .terminal__body { padding: 20px; font-size: 12px; line-height: 1.7; }

  /* Pillars */
  .pillar { padding: 28px 22px; }
  .pillar__icon { width: 40px; height: 40px; margin-bottom: 18px; }
  .pillar__icon svg { width: 20px; height: 20px; }
  .pillar__title { font-size: 20px; }
  .pillar__title-en { font-size: 11px; margin-bottom: 12px; }
  .pillar__desc { font-size: 14px; line-height: 1.7; }
  .pillar__num { font-size: 11px; margin-bottom: 18px; }

  /* Capabilities */
  .cap { padding: 28px 22px; min-height: 200px; }
  .cap__index { font-size: 11px; margin-bottom: 18px; }
  .cap__icon { width: 48px; height: 48px; margin-bottom: 18px; }
  .cap__icon svg { width: 24px; height: 24px; }
  .cap__title { font-size: 18px; margin-bottom: 10px; }
  .cap__desc { font-size: 14px; line-height: 1.7; }

  /* Process */
  .process-track { padding-top: 28px; }
  .process-step { padding: 20px 22px 32px; }
  .process-step__index { font-size: 11px; margin-bottom: 10px; }
  .process-step__title { font-size: 22px; }
  .process-step__title-en { font-size: 11px; margin-bottom: 12px; }
  .process-step__desc { font-size: 14px; line-height: 1.7; }

  /* Services */
  .svc { padding: 24px 22px; }
  .svc__icon { width: 40px; height: 40px; margin-bottom: 18px; }
  .svc__icon svg { width: 20px; height: 20px; }
  .svc__title { font-size: 18px; margin-bottom: 10px; }
  .svc__desc { font-size: 14px; line-height: 1.7; margin-bottom: 18px; }
  .svc__arrow { font-size: 11px; }

  /* Training */
  .training-hero { gap: 32px; margin-bottom: 64px; }
  .training-hero h3 { font-size: 26px !important; line-height: 1.2 !important; }
  .training-hero p { font-size: 15px !important; line-height: 1.75 !important; }
  .training-types { gap: 16px; margin-bottom: 64px; }
  .t-type { padding: 28px 22px; }
  .t-type__tag { font-size: 10px; margin-bottom: 12px; }
  .t-type__title { font-size: 24px; }
  .t-type__subtitle { font-size: 13px; margin-bottom: 18px; }
  .t-type__price { padding: 14px 0; margin-bottom: 18px; }
  .t-type__price-num { font-size: 28px; }
  .t-type__price-suffix { font-size: 11px; }
  .t-type__list li { font-size: 13px; padding: 5px 0; }
  .t-type__cta { margin-top: 20px; padding: 13px 20px; font-size: 13px; }
  .training-features { grid-template-columns: 1fr; gap: 20px; padding: 32px 0; }
  .t-feat__num { font-size: 11px; }
  .t-feat__title { font-size: 16px; }
  .t-feat__desc { font-size: 13px; }

  /* About */
  .about-grid { gap: 32px; }
  .about-text h2 { font-size: 30px !important; line-height: 1.15 !important; margin: 14px 0 20px; }
  .about-text p { font-size: 15px; line-height: 1.85; }
  .about-stats { grid-template-columns: 1fr; gap: 20px; padding-top: 24px; margin-top: 32px; }
  .about-stat__num { font-size: 32px; }
  .about-stat__label { font-size: 11px; }
  .about-photo__tag { padding: 10px 14px; font-size: 11px; }

  /* CTA */
  .cta-section { padding: 64px 0; }
  .cta-section__title { font-size: 36px; line-height: 1.1; }
  .cta-section__sub { font-size: 16px; line-height: 1.7; margin-bottom: 32px; }
  .cta-section__actions { gap: 12px; }
  .cta-section__actions .btn { padding: 13px 22px; font-size: 13px; }

  /* Footer */
  .footer { padding: 48px 0 24px; }
  .footer__grid { gap: 32px; margin-bottom: 32px; }
  .footer__brand { font-size: 16px; }
  .footer__desc { font-size: 13px; }
  .footer__col-title { font-size: 11px; margin-bottom: 12px; }
  .footer__col a { font-size: 13px; padding: 5px 0; }
  .footer__bottom { font-size: 10px; padding-top: 24px; }

  /* Buttons 通用 */
  .btn { padding: 13px 22px; font-size: 13px; }
}

/* 平板字号微调 */
@media (min-width: 601px) and (max-width: 900px) {
  body { font-size: 17px; line-height: 1.75; }
  .section { padding: 80px 0; }
  .section-title { font-size: 44px; }
  .section-sub { font-size: 17px; }
  .hero__sub { font-size: 18px; }
  .hero__title { font-size: 100px; }
  .hero__data-num { font-size: 40px; }
  .cap__desc { font-size: 15px; }
  .svc__desc { font-size: 15px; }
  .about-text p { font-size: 16px; }
}
