@font-face {
  font-family: 'Outfit';
  src: url('./lib/fonts/outfit-400.woff2') format('woff2');
  font-weight: 400;
  font-display: swap;
}
@font-face {
  font-family: 'Outfit';
  src: url('./lib/fonts/outfit-700.woff2') format('woff2');
  font-weight: 700;
  font-display: swap;
}
@font-face {
  font-family: 'Inter';
  src: url('./lib/fonts/inter-400.woff2') format('woff2');
  font-weight: 400;
  font-display: swap;
}
@font-face {
  font-family: 'Space Grotesk';
  src: url('./lib/fonts/space-grotesk-400.woff2') format('woff2');
  font-weight: 400;
  font-display: swap;
}
@font-face {
  font-family: 'Space Grotesk';
  src: url('./lib/fonts/space-grotesk-700.woff2') format('woff2');
  font-weight: 700;
  font-display: swap;
}

:root {
  --bg-dark: #07060a;
  --bg-surface: rgba(15, 10, 15, 0.4);
  --bg-glass: rgba(22, 14, 26, 0.42);
  --bg-glass-hover: rgba(44, 24, 44, 0.55);
  --border-glass: rgba(255, 255, 255, 0.14);
  /* 万镜一刻式玻璃质感:磨砂 + 半透明内发光描边(inset 白光)+ 圆角 */
  --glass-blur: blur(18px) saturate(1.5);
  --glass-rim: inset 0 0 2px 1px rgba(255,255,255,0.18), inset 0 1px 0 0 rgba(255,255,255,0.16);
  --glass-shadow: inset 0 0 2px 1px rgba(255,255,255,0.18), inset 0 1px 0 0 rgba(255,255,255,0.16), 0 10px 40px rgba(0,0,0,0.30);
  --glass-radius: 14px;
  
  --brand-main: #ff2e7e;
  --brand-dim: rgba(255, 46, 126, 0.2);
  --brand-duotone-1: #ff2e7e;
  --brand-duotone-2: #c81d5e;
  
  --text-main: #ffffff;
  --text-muted: rgba(255, 255, 255, 0.6);
  --text-dark: #000000;
  
  --font-heading: 'Space Grotesk', 'Outfit', -apple-system, BlinkMacSystemFont, 'PingFang SC', 'Microsoft YaHei', sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'PingFang SC', 'Microsoft YaHei', sans-serif;
  
  --transition-slow: 0.8s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-base: 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-fast: 0.2s ease-out;

  /* Spotlight vars */
  --mx: 50%;
  --my: 50%;
}

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

html {
  /* 实色底只放 html:它是视口最底层,位于负 z-index 的 #fluid-bg 之下。
     body 绝不能有实色背景——按 CSS 绘制顺序,普通块级元素的背景画在负 z-index 层之上,会把流体 canvas 整个盖住(=之前"WebGL 消失"的真因)。 */
  background-color: #07060a;
}
html, body {
  color: var(--text-main);
  font-family: var(--font-body);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* Fluid BG & Fallback */
#fluid-bg {
  position: fixed;
  inset: 0;
  width: 100vw;
  height: 100vh;
  z-index: -1;
  pointer-events: none;
  /* 玫粉渐变底:上部玫粉、向下转黑(巨日禄式"上粉下暗"),透明流体在其上流动;固定渐变天然不会过曝 */
  background: radial-gradient(ellipse 100% 80% at 50% 18%, #5a1236 0%, #2a0a1c 42%, #0c060a 78%);
}
@keyframes meshAnimation {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}
.fluid-fallback {
  position: fixed;
  inset: 0;
  z-index: -2;
  background: linear-gradient(-45deg, #07060a, #1a0812, #2c0b1d, #07060a);
  background-size: 400% 400%;
  animation: meshAnimation 15s ease infinite;
}

/* Lenis */
html.lenis, html.lenis body {
  height: auto;
}
.lenis.lenis-smooth {
  scroll-behavior: auto !important;
}
.lenis.lenis-smooth [data-lenis-prevent] {
  overscroll-behavior: contain;
}
.lenis.lenis-stopped {
  overflow: hidden;
}

/* Removed Custom Cursor & Spotlight */

/* Scroll Progress */
#scroll-progress {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: 2px;
  background-color: var(--brand-main);
  transform-origin: 0 50%;
  transform: scaleX(0);
  z-index: 10000;
}

/* Navigation */
nav {
  position: fixed;
  top: 0; width: 100%;
  padding: 2rem 4vw;
  display: flex;
  justify-content: space-between;
  align-items: center;
  z-index: 9500;
  text-shadow: 0 1px 12px rgba(0, 0, 0, 0.5);
}
.nav-logo {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.4rem;
  letter-spacing: -0.02em;
  text-transform: uppercase;
  display: flex;
  align-items: center;
  gap: 0.6rem;
  text-decoration: none;
  color: var(--text-main);
}
.logo-badge {
  width: 40px; height: 40px;
  filter: drop-shadow(0 3px 12px rgba(255, 46, 126, 0.4));
}
.logo-word { display: flex; flex-direction: column; line-height: 1; }
.logo-word small {
  font-size: 0.5rem; letter-spacing: 0.24em; color: var(--text-muted);
  margin-top: 4px; text-transform: none; font-weight: 500;
}
.mask-logo { letter-spacing: 0.3em; }
.nav-links {
  display: flex;
  align-items: center;
  gap: 2rem;
}
.nav-links a {
  color: var(--text-main);
  text-decoration: none;
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  position: relative;
}
.nav-links a::after {
  content: '';
  position: absolute;
  left: 0; bottom: -5px; width: 100%; height: 1px;
  background-color: var(--brand-main);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform var(--transition-base);
}
.nav-links a:hover::after, .nav-links a.active::after {
  transform: scaleX(1);
  transform-origin: left;
}
/* 移动端汉堡按钮(桌面隐藏,≤768 显示) */
.nav-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--text-main);
  cursor: pointer;
  padding: 0.3rem;
  line-height: 0;
  z-index: 9600;
}
.nav-toggle i { width: 30px; height: 30px; }

/* Hero Section */
.hero-section {
  position: relative;
  width: 100vw;
  height: 100vh;
  overflow: hidden;
  display: flex;
  align-items: flex-end;
  padding: 4vw;
}
/* 提升特异性,避免被同时挂的 .cinematic-wrapper(position:relative)覆盖,
   否则 hero-media 退化成半宽 flex 子项,媒体/兜底渐变铺不满整屏 */
.hero-section .hero-media {
  position: absolute;
  top: -5%; left: -5%;
  width: 110%; height: 110%; /* Buffer for Parallax and Ken Burns */
  border-radius: 0; /* 取消 .cinematic-wrapper 的圆角,保证全幅 */
  z-index: 1;
}
.hero-media img, .hero-media video {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.hero-mask {
  position: absolute;
  inset: 0;
  z-index: 2;
  /* 不做任何局部压暗:局部压暗会随滚动产生断层 */
  background: none;
  pointer-events: none;
}
/* 固定均匀薄暗罩:整屏亮度一致,既保证文字可读,又不会在屏与屏之间出现断层 */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background: rgba(7, 6, 10, 0.30);
}
.hero-content {
  position: relative;
  z-index: 3;
  width: 100%;
  padding-bottom: 2rem;
}
.hero-title {
  font-family: var(--font-heading);
  font-size: clamp(5.5rem, 8vw, 9rem);
  font-weight: 700;
  line-height: 1;
  text-transform: uppercase;
  letter-spacing: -0.03em;
  margin-bottom: 1rem;
}
.text-duotone {
  background: linear-gradient(135deg, #ffffff 30%, var(--brand-main) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  text-shadow: 0 0 40px rgba(255, 46, 126, 0.3);
}
.hero-subtitle {
  font-size: clamp(1.2rem, 1.5vw, 1.8rem);
  color: var(--text-muted);
  max-width: 600px;
}

/* 首页 Hero:左 蜜獾 logo 主视觉 + 右 品牌精神 */
.hero-home { align-items: center; }
.hero-home .hero-content { padding-bottom: 0; }
.hero-grid {
  display: grid;
  grid-template-columns: minmax(240px, 0.8fr) 1.2fr;
  gap: clamp(2rem, 6vw, 6rem);
  align-items: center;
  width: 100%;
  max-width: 1380px;
  margin: 0 auto;
}
.hero-badge-wrap {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: clamp(2rem, 6vh, 4.5rem);
  will-change: transform;
  transition: transform 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}
.hero-badge-glow {
  position: absolute;
  top: 36%; left: 50%;
  width: 135%; aspect-ratio: 1 / 1;
  transform: translate(-50%, -50%);
  background: radial-gradient(circle, rgba(255,46,126,0.45) 0%, rgba(157,75,224,0.20) 38%, transparent 70%);
  filter: blur(22px);
  z-index: -1;
  animation: badge-breathe 4.8s ease-in-out infinite;
}
.hero-badge-stage {
  position: relative;
  width: clamp(170px, 22vw, 320px);
  aspect-ratio: 1 / 1;
  filter: drop-shadow(0 10px 34px rgba(255,46,126,0.42));
  animation: badge-float 4.8s ease-in-out infinite;
  will-change: transform;
}
.hero-badge-logo { display: block; width: 100%; height: 100%; }
.hero-badge-word {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.55rem;
  letter-spacing: 0.18em;
  text-align: center;
  line-height: 1;
  background: linear-gradient(110deg, #3a6bff, #9d4be0, #ff2e7e, #5a8cff, #3a6bff);
  background-size: 280% 100%;
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent; color: transparent;
  animation: word-flow 9s linear infinite;
}
@keyframes word-flow {
  from { background-position: 0% 50%; }
  to { background-position: 280% 50%; }
}
.hero-badge-word span {
  display: block;
  font-size: 0.68rem;
  letter-spacing: 0.18em;
  color: var(--text-muted);
  -webkit-text-fill-color: var(--text-muted);
  background: none;
  margin-top: 0.55rem;
  font-weight: 400;
}
@keyframes badge-breathe {
  0%, 100% { opacity: 0.65; transform: translate(-50%, -50%) scale(1); }
  50% { opacity: 1; transform: translate(-50%, -50%) scale(1.12); }
}
@keyframes badge-float {
  0%, 100% { transform: translateY(0) scale(1); }
  50% { transform: translateY(-12px) scale(1.03); }
}
.hero-home .hero-title { font-size: clamp(3rem, 5.5vw, 5.5rem); margin-bottom: 1.5rem; animation: title-breathe 4.8s ease-in-out infinite; }
@keyframes title-breathe {
  0%, 100% { text-shadow: 0 0 28px rgba(255,46,126,0.22); }
  50% { text-shadow: 0 0 56px rgba(255,46,126,0.52); }
}
.hero-spirit {
  font-size: clamp(1.05rem, 1.35vw, 1.5rem);
  line-height: 1.9;
  color: var(--text-muted);
  max-width: 640px;
  margin-bottom: 2.4rem;
}

/* 首页 Hero 数据看板(口号下方,3×2 紧凑,左对齐,第一眼吸睛) */
.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, auto);
  gap: 1.7rem 2.6rem;
  margin-top: 2.6rem;
  justify-content: start;
}
.stat-item { text-align: left; }
.stat-num {
  font-family: var(--font-heading);
  font-size: clamp(1.7rem, 2.6vw, 2.7rem);
  line-height: 1;
}
.stat-label {
  color: var(--text-muted);
  font-size: 0.82rem;
  letter-spacing: 0.04em;
  margin-top: 0.5rem;
}
/* 左侧字标中文全称(继承字标渐变流动) */
.badge-cn {
  display: block;
  font-size: clamp(2.1rem, 3.6vw, 3.4rem);
  font-weight: 700;
  letter-spacing: 0.06em;
  line-height: 1.16;
  margin-bottom: 0.3rem;
}
/* 公司简介区精神引言(原 heroIntro 下移整合,做引言大字) */
.story-lead {
  font-size: clamp(1.3rem, 1.8vw, 1.7rem);
  line-height: 1.65;
  color: var(--text-main);
  margin-bottom: 1.5rem;
  font-weight: 500;
}
@media (max-width: 820px) {
  .hero-stats { justify-content: center; gap: 1.4rem 1.8rem; }
  .stat-num { font-size: clamp(1.4rem, 5vw, 2rem); }
}
@media (max-width: 460px) {
  .hero-stats { grid-template-columns: repeat(2, auto); }
}

/* (Hero CTA 按钮 + 业务标签样式已随回退移除) */
.hero-cta {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.9rem 2rem;
  font-size: 1.1rem;
  font-weight: 600;
  color: #fff;
  text-decoration: none;
  border: 1px solid var(--border-glass);
  border-radius: 999px;
  background: rgba(255,255,255,0.05);
  backdrop-filter: blur(10px) saturate(1.4);
  box-shadow: var(--glass-rim);
  transition: all var(--transition-base);
}
.hero-cta:hover {
  border-color: var(--brand-main);
  color: var(--brand-main);
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(255,46,126,0.32);
}
.hero-cta i { width: 18px; height: 18px; }
@media (prefers-reduced-motion: reduce) {
  .hero-badge-glow, .hero-badge-stage, .hero-badge-word, .hero-home .hero-title { animation: none; }
}

/* 核心团队卡片(图标 + 玻璃,替代实心字母头像,字体重排) */
.team-card { text-align: center; padding: 2.6rem 1.8rem 2.4rem; }
.team-icon {
  width: 88px; height: 88px; margin: 0 auto 1.6rem;
  display: grid; place-items: center;
  border-radius: 50%;
  background:
    radial-gradient(circle at 32% 26%, rgba(255,46,126,0.30), transparent 60%),
    radial-gradient(circle at 70% 78%, rgba(90,140,255,0.22), transparent 62%),
    rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.18);
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.22), 0 0 30px rgba(255,46,126,0.22);
  -webkit-backdrop-filter: blur(6px);
  backdrop-filter: blur(6px);
}
.team-icon i {
  width: 36px; height: 36px;
  color: #fff; stroke-width: 1.5;
  filter: drop-shadow(0 0 10px rgba(255,46,126,0.55));
}
.team-name {
  font-family: var(--font-heading);
  font-size: 1.28rem; font-weight: 700;
  letter-spacing: 0.04em; line-height: 1.2;
  margin-bottom: 0.7rem;
}
.team-role {
  color: var(--brand-main);
  font-size: 0.74rem; font-weight: 600;
  letter-spacing: 0.12em;
  margin-bottom: 1.2rem;
}
.team-bio {
  color: var(--text-muted);
  font-size: 0.92rem; line-height: 1.75;
  max-width: 26ch; margin: 0 auto;
}
@media (max-width: 820px) {
  .hero-home { align-items: center; }
  .hero-grid { grid-template-columns: 1fr; gap: 2rem; text-align: center; justify-items: center; }
  .hero-badge-logo { width: clamp(140px, 42vw, 220px); }
  .hero-spirit { margin-left: auto; margin-right: auto; }
}

/* Cinematic Image & Duotone System */
.cinematic-wrapper {
  position: relative;
  overflow: hidden;
  background-color: var(--bg-surface);
  border-radius: 4px;
}
.cinematic-media {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 1.5s cubic-bezier(0.16, 1, 0.3, 1), filter var(--transition-base);
  filter: contrast(1.1) saturate(0.8);
}
.duotone-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--brand-duotone-2) 0%, var(--brand-duotone-1) 100%);
  mix-blend-mode: soft-light;
  opacity: 0.8;
  transition: opacity var(--transition-base);
  pointer-events: none;
  z-index: 2;
}
/* Film grain and vignette */
.cinematic-wrapper::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image: url('data:image/svg+xml;utf8,%3Csvg viewBox=%220 0 200 200%22 xmlns=%22http://www.w3.org/2000/svg%22%3E%3Cfilter id=%22noiseFilter%22%3E%3CfeTurbulence type=%22fractalNoise%22 baseFrequency=%220.8%22 numOctaves=%223%22 stitchTiles=%22stitch%22/%3E%3C/filter%3E%3Crect width=%22100%25%22 height=%22100%25%22 filter=%22url(%23noiseFilter)%22/%3E%3C/svg%3E');
  opacity: 0.04;
  mix-blend-mode: overlay;
  pointer-events: none;
  z-index: 3;
}
.cinematic-wrapper:hover .cinematic-media {
  transform: scale(1.05);
  filter: contrast(1) saturate(1);
}
.cinematic-wrapper:hover .duotone-overlay {
  opacity: 0.2;
}

/* Masonry Gallery (Works) */
.masonry-grid {
  column-count: 3;
  column-gap: 2rem;
  padding: 2vw 4vw 8vw 4vw; /* tightened top padding */
}
.masonry-item {
  break-inside: avoid;
  margin-bottom: 2rem;
  position: relative;
  transform-style: preserve-3d;
  perspective: 1000px;
}
.masonry-card {
  position: relative;
  display: block;
  width: 100%;
  aspect-ratio: 2 / 3;
  text-decoration: none;
  color: var(--text-main);
}
.masonry-card .cinematic-wrapper {
  width: 100%; height: 100%;
}
.masonry-card-info {
  position: absolute;
  bottom: 0; left: 0; width: 100%;
  padding: 2rem;
  z-index: 10;
  background: linear-gradient(to top, rgba(0,0,0,0.8), transparent);
  opacity: 0;
  transform: translateY(10px);
  transition: all var(--transition-base);
}
.masonry-card:hover .masonry-card-info {
  opacity: 1;
  transform: translateY(0);
}
.masonry-card-title {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  margin-bottom: 0.5rem;
}

/* Works 分类分区(信息流/AI/影视剧):每类一条横向自动滚动轨道,适应大量作品 */
.works-cat { padding: 4vh 4vw 7vh 4vw; max-width: 1500px; margin: 0 auto; }
.works-cat-head {
  display: flex; align-items: baseline; gap: 1rem;
  margin-bottom: 2rem; padding-left: 1rem;
  border-left: 4px solid var(--brand-main);
}
.works-cat-title { font-family: var(--font-heading); font-size: clamp(1.6rem, 3vw, 2.4rem); line-height: 1; }
.works-cat-count { color: var(--text-muted); font-size: 0.95rem; }

/* 横向自动滚动轨道:向右滑动、hover 整行暂停;两侧对称渐隐把可视区限定在中间 */
.works-row {
  position: relative;
  overflow: hidden;
  padding: 0.6rem 0;
  -webkit-mask-image: linear-gradient(to right, transparent 0, #000 7%, #000 93%, transparent 100%);
          mask-image: linear-gradient(to right, transparent 0, #000 7%, #000 93%, transparent 100%);
}
.works-track {
  display: flex;
  gap: 1.5rem;
  width: max-content;
  animation-name: works-scroll;
  animation-timing-function: linear;
  animation-iteration-count: infinite;
  will-change: transform;
}
@keyframes works-scroll {
  from { transform: translateX(-50%); }
  to   { transform: translateX(0); }
}
.works-row:hover .works-track { animation-play-state: paused; }
.works-track .masonry-item {
  flex: 0 0 auto;
  width: clamp(210px, 18vw, 280px);
  margin-bottom: 0;
}

/* AI 子分类:国内 / 海外 / 广告 */
.works-subcat { margin-top: 2.4rem; }
.works-subcat-head { display: flex; align-items: center; gap: 0.55rem; margin-bottom: 0.6rem; }
.works-subcat-head i { width: 18px; height: 18px; color: var(--brand-main); }
.works-subcat-title { font-size: 1.15rem; color: var(--text-main); font-weight: 600; letter-spacing: 0.02em; }

@media (prefers-reduced-motion: reduce) {
  .works-track { animation: none; }
  .works-row { overflow-x: auto; -webkit-overflow-scrolling: touch; }
}
@media (max-width: 600px) {
  .works-track .masonry-item { width: 150px; }
}

/* 信息流卡片:竖屏短视频封面用 9:16(其余作品保持全局 2:3) */
.works-track .masonry-item.is-portrait .masonry-card { aspect-ratio: 9 / 16; }
/* 视频角标:提示该作品点进去可播放 */
.masonry-card .play-badge {
  position: absolute;
  top: 0.7rem; right: 0.7rem;
  z-index: 11;
  width: 34px; height: 34px;
  display: flex; align-items: center; justify-content: center;
  border-radius: 999px;
  color: #fff;
  background: rgba(10, 8, 16, 0.42);
  border: 1px solid rgba(255, 255, 255, 0.35);
  -webkit-backdrop-filter: blur(6px);
  backdrop-filter: blur(6px);
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.35);
  transition: transform var(--transition-base), background var(--transition-base), border-color var(--transition-base);
}
.masonry-card .play-badge i { width: 16px; height: 16px; fill: currentColor; }
.masonry-card:hover .play-badge { transform: scale(1.12); background: var(--brand-main); border-color: transparent; }

/* 作品详情页:竖屏视频「模糊背景 + 居中播放」舞台(横向 hero 不裁切竖屏内容) */
.work-video-stage {
  position: absolute; inset: 0;
  overflow: hidden;
  background: #05040a;
  display: flex; align-items: flex-start; justify-content: center;
}
.work-video-stage .work-video-bg {
  position: absolute; inset: -6%;
  width: 112%; height: 112%;
  object-fit: cover;
  filter: blur(34px) brightness(0.45) saturate(1.2);
  transform: scale(1.04);
}
.work-video-stage .work-video-fg {
  position: relative; z-index: 2;
  height: 88%;
  width: auto;
  max-width: 100%;
  object-fit: contain;
  margin-top: 2vh;
  object-fit: contain;
  border-radius: 6px;
  box-shadow: 0 24px 70px rgba(0, 0, 0, 0.55);
  background: #000;
}
@media (max-width: 820px) {
  .work-video-stage .work-video-fg { height: 76%; }
}

/* 作品详情页(竖屏视频):左右分栏 = 左手机相框播放 + 右信息面板 */
.work-split {
  min-height: 100vh;
  max-width: 1240px;
  margin: 0 auto;
  padding: 15vh 6vw 10vh;
  display: grid;
  grid-template-columns: auto minmax(280px, 1fr);
  gap: clamp(2.5rem, 6vw, 6rem);
  align-items: center;
  justify-content: center;
}
.work-phone {
  position: relative;
  height: min(76vh, 660px);
  aspect-ratio: 9 / 16;
  border-radius: 28px;
  overflow: hidden;
  background: #000;
  border: 1px solid var(--border-glass);
  box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.04),
              0 34px 90px rgba(0, 0, 0, 0.6),
              0 0 70px rgba(255, 46, 126, 0.20);
}
.work-phone-video {
  width: 100%; height: 100%;
  object-fit: cover;
  display: block;
}
.work-split-info { max-width: 540px; }
.work-eyebrow {
  color: var(--brand-main);
  font-size: 0.92rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  margin-bottom: 1.1rem;
}
.work-split-title {
  font-family: var(--font-heading);
  font-size: clamp(2.2rem, 4.6vw, 4rem);
  line-height: 1.05;
  margin-bottom: 2.4rem;
}
.work-meta-rows {
  display: flex; flex-direction: column; gap: 1.3rem;
  margin-bottom: 3rem;
  padding-top: 1.6rem;
  border-top: 1px solid var(--border-glass);
}
.work-meta-row { display: flex; flex-direction: column; gap: 0.35rem; }
.work-meta-label {
  color: var(--brand-main);
  font-size: 0.78rem; letter-spacing: 0.1em; text-transform: uppercase;
}
.work-meta-val { font-size: 1.2rem; color: var(--text-main); }
.work-split-nav { display: flex; gap: 2.4rem; }
.work-split-link {
  display: inline-flex; align-items: center; gap: 0.55rem;
  color: var(--text-muted); text-decoration: none;
  font-size: 1rem;
  transition: color var(--transition-base);
}
.work-split-link:hover { color: var(--brand-main); }
.work-split-link i { width: 18px; height: 18px; }
@media (max-width: 820px) {
  .work-split {
    grid-template-columns: 1fr;
    justify-items: center;
    gap: 2.6rem;
    padding: 13vh 6vw 8vh;
  }
  .work-phone { height: min(68vh, 540px); }
  .work-split-info { text-align: center; max-width: 100%; }
  .work-meta-rows { align-items: center; }
  .work-split-nav { justify-content: center; }
}

/* 主营业务:玻璃图标卡列表(替代满屏 split-screen) */
.service-list {
  max-width: 1080px;
  margin: 0 auto;
  padding: 4vh 4vw 2vh;
  display: flex;
  flex-direction: column;
  gap: 1.6rem;
}
.service-row {
  display: grid;
  grid-template-columns: 170px 1fr;
  gap: 2.5rem;
  align-items: center;
  padding: 2.4rem 2.8rem;
}
.service-row-aside {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 1.1rem;
}
.service-num {
  font-family: var(--font-heading);
  font-size: 3rem; font-weight: 800; line-height: 1;
  background: linear-gradient(135deg, #ffffff 20%, var(--brand-main) 100%);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent;
}
.service-icon {
  width: 60px; height: 60px;
  display: grid; place-items: center;
  border-radius: 16px;
  background:
    radial-gradient(circle at 30% 25%, rgba(255,46,126,0.30), transparent 65%),
    radial-gradient(circle at 75% 80%, rgba(90,140,255,0.20), transparent 65%),
    rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.16);
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.20), 0 0 24px rgba(255,46,126,0.20);
}
.service-icon i {
  width: 30px; height: 30px; color: #fff; stroke-width: 1.5;
  filter: drop-shadow(0 0 8px rgba(255,46,126,0.5));
}
.service-title {
  font-family: var(--font-heading);
  font-size: 1.55rem; font-weight: 700;
  letter-spacing: 0.02em;
  margin-bottom: 0.8rem;
}
.service-desc {
  color: var(--text-muted);
  font-size: 1rem; line-height: 1.85;
}
@media (max-width: 760px) {
  .service-row { grid-template-columns: 1fr; gap: 1.3rem; padding: 2rem; }
  .service-row-aside { flex-direction: row; align-items: center; gap: 1.4rem; }
  .service-num { font-size: 2.4rem; }
}

/* Split Screen (Services) */
.split-screen {
  display: flex;
  min-height: 100vh;
  padding: 8vw 4vw;
  align-items: center;
  gap: 4vw;
}
.split-screen:nth-child(even) {
  flex-direction: row-reverse;
}
.split-content {
  flex: 1;
}
.split-number {
  font-family: var(--font-heading);
  font-size: 8rem;
  font-weight: 700;
  color: transparent;
  -webkit-text-stroke: 1px var(--border-glass);
  line-height: 1;
  margin-bottom: 2rem;
}
.split-title {
  font-size: 3rem;
  margin-bottom: 1.5rem;
}
.split-desc {
  color: var(--text-muted);
  font-size: 1.1rem;
  line-height: 1.6;
}
.split-media {
  flex: 1;
  aspect-ratio: 4/3;
}

/* Contact Bento */
.contact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  padding: 12vw 4vw;
}
.glass-card {
  background: var(--bg-glass);
  border: 1px solid var(--border-glass);
  -webkit-backdrop-filter: blur(14px) saturate(1.5);
  backdrop-filter: url(#glass-distortion) blur(3px) saturate(1.6);
  box-shadow: var(--glass-shadow);
  padding: 3rem;
  border-radius: var(--glass-radius);
  text-decoration: none;
  color: var(--text-main);
  transition: background var(--transition-base), transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
}
.glass-card:hover {
  background: var(--bg-glass-hover);
  border-color: rgba(255,255,255,0.28);
  box-shadow: inset 0 0 3px 1px rgba(255,255,255,0.26), inset 0 1px 0 0 rgba(255,255,255,0.20), 0 16px 52px rgba(0,0,0,0.36);
  transform: translateY(-5px);
}

/* 玻璃边框统一套用到媒体卡(作品/服务)与合作平台胶囊 —— 与卡片同质感 */
.masonry-card .cinematic-wrapper,
.split-media {
  border-radius: var(--glass-radius);
  border: 1px solid var(--border-glass);
  box-shadow: var(--glass-rim);
}
#partners-container span {
  box-shadow: var(--glass-rim);
  -webkit-backdrop-filter: blur(12px) saturate(1.4) !important;
  backdrop-filter: url(#glass-distortion) blur(3px) saturate(1.4) !important;
}

/* Animations */
.reveal-up {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 1s cubic-bezier(0.16, 1, 0.3, 1), transform 1s cubic-bezier(0.16, 1, 0.3, 1);
}
.reveal-up.is-revealed {
  opacity: 1;
  transform: translateY(0);
}

/* Entry Sequence Mask */
#entry-mask {
  position: fixed;
  inset: 0;
  background: var(--bg-dark);
  z-index: 10000;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 1.2s cubic-bezier(0.76, 0, 0.24, 1);
}
.mask-logo {
  font-family: var(--font-heading);
  font-size: 2rem;
  color: var(--brand-main);
  opacity: 1;
  transition: opacity 0.5s;
}
body.is-loaded #entry-mask {
  transform: translateY(-100%);
}
body.is-loaded .mask-logo {
  opacity: 0;
}

/* Fallback Media Placeholder & Ken Burns Animation */
@keyframes kenBurnsSlow {
  0% { transform: scale(1); }
  50% { transform: scale(1.1); }
  100% { transform: scale(1); }
}
.media-fallback {
  position: absolute;
  inset: 0;
  width: 100%; height: 100%;
  background: linear-gradient(135deg, var(--bg-surface), var(--bg-dark), var(--brand-duotone-2));
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--brand-dim);
  animation: kenBurnsSlow 30s ease-in-out infinite;
  z-index: 0;
}
.media-fallback::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image: url('data:image/svg+xml;utf8,%3Csvg viewBox=%220 0 200 200%22 xmlns=%22http://www.w3.org/2000/svg%22%3E%3Cfilter id=%22noiseFilter%22%3E%3CfeTurbulence type=%22fractalNoise%22 baseFrequency=%220.8%22 numOctaves=%223%22 stitchTiles=%22stitch%22/%3E%3C/filter%3E%3Crect width=%22100%25%22 height=%22100%25%22 filter=%22url(%23noiseFilter)%22/%3E%3C/svg%3E');
  opacity: 0.06;
  mix-blend-mode: overlay;
  pointer-events: none;
}
.media-fallback i[data-lucide] {
  width: 64px; height: 64px;
  opacity: 0.5;
  z-index: 1;
}

/* Responsive & Accessibility */
@media (max-width: 768px) {
  .masonry-grid { column-count: 1; }
  .split-screen { flex-direction: column !important; padding-top: 120px; }
  .hero-title { font-size: clamp(2.2rem, 8vw, 3.5rem); }
  .hero-home .hero-title { font-size: clamp(2rem, 7.5vw, 3rem); }
  nav { padding: 1.5rem 2rem; }
  /* 汉堡菜单:点击展开的下拉面板 */
  .nav-toggle { display: inline-flex; align-items: center; }
  .nav-links {
    display: none;
    position: absolute;
    top: calc(100% + 0.4rem); right: 1.2rem;
    flex-direction: column;
    align-items: stretch;
    gap: 1.1rem;
    padding: 1.3rem 1.7rem;
    background: rgba(10, 8, 16, 0.94);
    -webkit-backdrop-filter: blur(16px);
    backdrop-filter: blur(16px);
    border: 1px solid var(--border-glass);
    border-radius: 14px;
    box-shadow: 0 22px 55px rgba(0, 0, 0, 0.55);
    min-width: 190px;
  }
  .nav-links.open { display: flex; }
  .nav-links a { font-size: 1rem; }
}

@media (pointer: coarse) {
  /* Fluid handles touch degradation nicely now, CSS handles hover */
}

@media (prefers-reduced-motion: reduce) {
  * {
    animation: none !important;
    transition: none !important;
  }
  .reveal-up {
    opacity: 1; transform: none;
  }
}

/* ============================================================
   AI 技能板块 —— ① 火山式暗色玻璃 mega-menu
   结构/交互抄火山引擎,配色质感全用本站玻璃变量。
   ============================================================ */
.mega-menu {
  position: fixed;
  left: 0; right: 0;
  top: var(--nav-h, 88px);
  z-index: 9400; /* 低于 nav(9500),紧贴其下沿展开 */
  background: var(--bg-glass);
  -webkit-backdrop-filter: var(--glass-blur);
  backdrop-filter: var(--glass-blur);
  border-top: 1px solid var(--border-glass);
  border-bottom: 1px solid var(--border-glass);
  box-shadow: var(--glass-shadow);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-12px);
  pointer-events: none;
  transition: opacity var(--transition-base), transform var(--transition-base), visibility var(--transition-base);
}
.mega-menu.open {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
  pointer-events: auto;
}
.mega-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 2.2rem 4vw 1.6rem;
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 2.6rem;
}
.mega-aside-title {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  color: var(--brand-main);
  margin-bottom: 0.7rem;
}
.mega-aside-desc {
  font-size: 0.95rem;
  line-height: 1.6;
  color: var(--text-muted);
  margin-bottom: 1.3rem;
}
.mega-aside-cta {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.9rem;
  color: var(--text-main);
  text-decoration: none;
  padding: 0.55rem 1.1rem;
  border: 1px solid var(--brand-main);
  border-radius: 999px;
  transition: background var(--transition-fast), color var(--transition-fast);
}
.mega-aside-cta:hover { background: var(--brand-main); color: #fff; }
.mega-main { display: flex; flex-direction: column; gap: 1.4rem; min-width: 0; }
.mega-search {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.7rem 1rem;
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border-glass);
  border-radius: 999px;
}
.mega-search i { width: 18px; height: 18px; color: var(--text-muted); }
.mega-search input {
  flex: 1;
  background: none;
  border: none;
  outline: none;
  color: var(--text-main);
  font-family: var(--font-body);
  font-size: 0.95rem;
}
.mega-search input::placeholder { color: var(--text-muted); }
.mega-groups {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.4rem 2rem;
}
.mega-group-title {
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 0.7rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--border-glass);
}
.mega-item {
  display: block;
  text-decoration: none;
  color: var(--text-main);
  padding: 0.55rem 0.7rem;
  border-radius: 10px;
  transition: background var(--transition-fast);
}
.mega-item:hover { background: var(--bg-glass-hover); }
.mega-item-label {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  font-size: 0.98rem;
  font-weight: 600;
}
.mega-item-desc { font-size: 0.82rem; color: var(--text-muted); margin-top: 2px; }
.mega-badge {
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  padding: 1px 6px;
  border-radius: 999px;
  line-height: 1.5;
}
.mega-badge.hot { background: var(--brand-main); color: #fff; }
.mega-badge.new { border: 1px solid var(--brand-main); color: var(--brand-main); }
.mega-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-top: 0.4rem;
  padding-top: 1.2rem;
  border-top: 1px solid var(--border-glass);
}
.mega-tab {
  font-size: 0.85rem;
  color: var(--text-muted);
  text-decoration: none;
  padding: 0.4rem 0.95rem;
  border: 1px solid var(--border-glass);
  border-radius: 999px;
  transition: color var(--transition-fast), border-color var(--transition-fast);
}
.mega-tab:hover { color: var(--brand-main); border-color: var(--brand-main); }

/* ============================================================
   AI 技能板块 —— ② lab.html 落地页
   ============================================================ */
.lab-wrap { max-width: 1200px; margin: 0 auto; }
.lab-section { padding: 8vh 4vw; }
.lab-section-head { text-align: center; margin-bottom: 3rem; }
.lab-section-title {
  font-family: var(--font-heading);
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  margin-bottom: 0.6rem;
}
.lab-section-sub { color: var(--text-muted); }

/* Hero */
.lab-hero { padding: 24vh 4vw 8vh; text-align: center; }
.lab-eyebrow {
  font-family: var(--font-heading);
  letter-spacing: 0.3em;
  font-size: 0.8rem;
  color: var(--brand-main);
  margin-bottom: 1.2rem;
}
.lab-title {
  font-family: var(--font-heading);
  font-size: clamp(2.4rem, 6vw, 5rem);
  line-height: 1.05;
  margin-bottom: 1.4rem;
}
.lab-subtitle {
  max-width: 720px;
  margin: 0 auto 2.2rem;
  font-size: clamp(1rem, 1.6vw, 1.3rem);
  line-height: 1.7;
  color: var(--text-muted);
}
.lab-hero-cta { display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; }
.lab-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.9rem 1.8rem;
  border-radius: 999px;
  text-decoration: none;
  font-size: 1.05rem;
  transition: transform var(--transition-fast), background var(--transition-fast);
}
.lab-btn.primary { background: var(--brand-main); color: #fff; }
.lab-btn.ghost { border: 1px solid var(--border-glass); color: var(--text-main); }
.lab-btn:hover { transform: translateY(-2px); }

/* 知识付费转化带 */
#lab-paywall {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 4vw 4vh;
  display: grid;
  grid-template-columns: 1.6fr 1fr;
  gap: 1.6rem;
}
.member-card, .community-card {
  padding: 2rem;
  border-radius: var(--glass-radius);
  background: var(--bg-glass);
  -webkit-backdrop-filter: var(--glass-blur);
  backdrop-filter: var(--glass-blur);
  box-shadow: var(--glass-shadow);
}
.member-card { border: 1px solid var(--brand-main); }
.member-badge {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  background: var(--brand-main);
  color: #fff;
  padding: 0.2rem 0.7rem;
  border-radius: 999px;
  margin-bottom: 1rem;
}
.member-title { font-family: var(--font-heading); font-size: 1.6rem; margin-bottom: 0.5rem; }
.member-price {
  font-family: var(--font-heading);
  font-size: 1.4rem;
  color: var(--brand-main);
  margin-bottom: 1.2rem;
}
.member-benefits { display: flex; flex-wrap: wrap; gap: 0.6rem; margin-bottom: 1.6rem; }
.member-benefits span {
  font-size: 0.85rem;
  color: var(--text-muted);
  padding: 0.35rem 0.85rem;
  border: 1px solid var(--border-glass);
  border-radius: 999px;
}
.member-cta {
  display: inline-block;
  background: var(--brand-main);
  color: #fff;
  text-decoration: none;
  padding: 0.8rem 2rem;
  border-radius: 999px;
  font-size: 1.05rem;
}
.community-card { text-align: center; display: flex; flex-direction: column; align-items: center; justify-content: center; }
.community-title { font-family: var(--font-heading); font-size: 1.3rem; margin-bottom: 0.5rem; }
.community-desc { font-size: 0.9rem; color: var(--text-muted); margin-bottom: 1.2rem; }
.community-qr {
  width: 120px; height: 120px;
  display: flex; align-items: center; justify-content: center;
  border: 1px solid var(--border-glass);
  border-radius: 12px;
  background: rgba(255,255,255,0.04);
  margin-bottom: 0.7rem;
}
.community-qr i { width: 64px; height: 64px; color: var(--text-muted); }
.community-note { font-size: 0.78rem; color: var(--text-muted); }

/* 分类筛选 + 课程网格 */
.lab-cats { display: flex; flex-wrap: wrap; gap: 0.6rem; justify-content: center; margin-bottom: 2.4rem; }
.lab-cat {
  font-size: 0.9rem;
  color: var(--text-muted);
  padding: 0.45rem 1.1rem;
  border: 1px solid var(--border-glass);
  border-radius: 999px;
  background: none;
  cursor: pointer;
  transition: color var(--transition-fast), border-color var(--transition-fast), background var(--transition-fast);
}
.lab-cat:hover { color: var(--text-main); }
.lab-cat.active { color: #fff; background: var(--brand-main); border-color: var(--brand-main); }
.skill-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 1.6rem;
}
.skill-card {
  display: flex;
  flex-direction: column;
  border-radius: var(--glass-radius);
  overflow: hidden;
  background: var(--bg-glass);
  -webkit-backdrop-filter: var(--glass-blur);
  backdrop-filter: var(--glass-blur);
  box-shadow: var(--glass-shadow);
  transition: transform var(--transition-base);
}
.skill-card:hover { transform: translateY(-6px); }
.skill-cover { position: relative; aspect-ratio: 16 / 10; overflow: hidden; }
.skill-cover img { width: 100%; height: 100%; object-fit: cover; display: block; }
.skill-badge {
  position: absolute; top: 0.7rem; left: 0.7rem;
  font-size: 0.65rem; font-weight: 700; letter-spacing: 0.05em;
  padding: 2px 8px; border-radius: 999px;
}
.skill-badge.hot { background: var(--brand-main); color: #fff; }
.skill-badge.new { background: rgba(7,6,10,0.7); border: 1px solid var(--brand-main); color: var(--brand-main); }
.skill-info { padding: 1.1rem 1.2rem 1.3rem; }
.skill-title { font-family: var(--font-heading); font-size: 1.15rem; margin-bottom: 0.6rem; }
.skill-meta { display: flex; justify-content: space-between; font-size: 0.8rem; color: var(--text-muted); gap: 0.5rem; }
.skill-link { display: flex; flex-direction: column; height: 100%; text-decoration: none; color: inherit; }

/* ============ 课程详情页(course.html?id=N)—— 文档式三栏阅读布局,对标刺猬星球结构 ============ */
/* 铺满:接近占满视口,只留小边距(像刺猬),不再窄窄一条居中 */
#course-detail { max-width: 1680px; margin: 0 auto; padding: 13vh 2.6vw 9vh; }

/* —— 面包屑(在流体背景上,加阴影保证可读)—— */
.course-crumb { display: flex; align-items: center; flex-wrap: wrap; gap: 0.5rem; font-size: 0.86rem; color: var(--text-muted); margin-bottom: 1.5rem; text-shadow: 0 1px 8px rgba(0,0,0,0.55); }
.course-crumb a { color: var(--text-muted); text-decoration: none; transition: color var(--transition-fast); }
.course-crumb a:hover { color: var(--brand-main); }
.course-crumb-sep { opacity: 0.5; }

/* —— 头部:标题 + 元信息 + 标签(满宽,浮在流体上,文字加阴影)—— */
.course-doc-head { margin-bottom: 2.3rem; padding-bottom: 1.9rem; border-bottom: 1px solid var(--border-glass); }
.course-doc-head .skill-badge { position: static; display: inline-block; margin-bottom: 1rem; }
.course-doc-title { font-family: var(--font-heading); font-size: clamp(1.55rem, 3vw, 2.35rem); line-height: 1.32; color: var(--text-main); margin: 0 0 1.1rem; text-shadow: 0 2px 18px rgba(0,0,0,0.6); }
.course-doc-meta { display: flex; align-items: center; flex-wrap: wrap; gap: 0.7rem; font-size: 0.88rem; color: var(--text-muted); margin-bottom: 1.05rem; text-shadow: 0 1px 8px rgba(0,0,0,0.55); }
.course-doc-meta span { display: inline-flex; align-items: center; gap: 0.38rem; }
.course-doc-meta i { width: 15px; height: 15px; color: var(--brand-main); }
.course-meta-dot { width: 3px; height: 3px; border-radius: 50%; background: var(--text-muted); opacity: 0.55; }
.course-doc-tags { display: flex; flex-wrap: wrap; gap: 0.55rem; }
.course-doc-tags span { font-size: 0.8rem; color: var(--text-muted); padding: 0.28rem 0.8rem; border: 1px solid var(--border-glass); border-radius: 999px; background: rgba(20,16,26,0.55); }

/* —— 三栏主体:左目录 + 中正文 + 右最新(铺开)—— */
.course-doc-body { display: grid; grid-template-columns: 248px minmax(0, 1fr) 308px; gap: 2.2rem; align-items: start; }

/* —— 左:文章目录(sticky) —— */
.course-toc {
  position: sticky; top: calc(var(--nav-h, 80px) + 1.4rem);
  max-height: calc(100vh - var(--nav-h, 80px) - 2.4rem); overflow-y: auto;
  padding: 1.35rem 1.1rem; border-radius: 14px;
  background: rgba(20,16,26,0.72); border: 1px solid var(--border-glass);
  -webkit-backdrop-filter: blur(8px); backdrop-filter: blur(8px);
}
.course-toc-head { font-family: var(--font-heading); font-size: 0.82rem; letter-spacing: 0.1em; color: var(--brand-main); margin-bottom: 0.85rem; }
.course-toc-list { display: flex; flex-direction: column; gap: 0.1rem; }
.course-toc-item {
  display: flex; gap: 0.55rem; align-items: baseline;
  padding: 0.55rem 0.6rem; border-radius: 8px; text-decoration: none;
  color: var(--text-muted); font-size: 0.85rem; line-height: 1.5;
  border-left: 2px solid transparent;
  transition: background var(--transition-fast), color var(--transition-fast), border-color var(--transition-fast);
}
.course-toc-item:hover { background: rgba(255,255,255,0.05); color: var(--text-main); }
.course-toc-item.active { background: rgba(255,46,126,0.12); color: var(--text-main); border-left-color: var(--brand-main); }
.course-toc-num { font-family: var(--font-heading); color: var(--brand-main); font-size: 0.76rem; flex-shrink: 0; }
.course-toc-label { display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.course-toc-cta {
  display: block; text-align: center; margin-top: 1.1rem;
  padding: 0.62rem 1rem; border-radius: 9px; text-decoration: none;
  font-size: 0.84rem; font-weight: 600; color: #fff;
  background: var(--brand-main); box-shadow: 0 8px 22px rgba(255,46,126,0.3);
  transition: transform var(--transition-fast);
}
.course-toc-cta:hover { transform: translateY(-2px); }
/* 目录首项「准备工具」的扳手图标 */
.course-toc-tools-link .course-toc-num { display: inline-flex; align-items: center; }
.course-toc-tools-link .course-toc-num i { width: 14px; height: 14px; }
/* 目录底部一排工具图标:真实品牌 favicon(白底显 logo),取不到退化成深色字母块 */
.course-toc-tools-icons { display: flex; flex-wrap: wrap; gap: 0.55rem; margin-top: 1rem; padding-top: 1rem; border-top: 1px solid var(--border-glass); }
.tool-ico { width: 36px; height: 36px; border-radius: 9px; display: flex; align-items: center; justify-content: center; overflow: hidden; text-decoration: none; background: rgba(255,255,255,0.07); border: 1px solid var(--border-glass); transition: transform var(--transition-fast), border-color var(--transition-fast); }
.tool-ico img { width: 100%; height: 100%; object-fit: contain; padding: 5px; }
.tool-ico.is-letter span { font-family: var(--font-heading); font-size: 0.82rem; font-weight: 700; color: #fff; }
.tool-ico:hover { transform: translateY(-2px) scale(1.05); border-color: var(--brand-main); }

/* —— 中:正文阅读列(近实底深色面板,不让流体背景透到字上)—— */
.course-article { min-width: 0; padding: 2.4rem 2.7rem 2.6rem; border-radius: 16px; background: rgba(17,13,23,0.85); border: 1px solid var(--border-glass); box-shadow: 0 20px 50px rgba(0,0,0,0.35); }
.course-p { color: rgba(228,222,236,0.78); line-height: 1.95; font-size: 1.01rem; margin: 0 0 1.2rem; }
.course-p-lead { color: rgba(243,238,248,0.95); }
.course-lede-para { font-size: 1.1rem; color: #ff7fb0; font-weight: 500; line-height: 1.9; padding: 0.15rem 0 0.15rem 1.1rem; border-left: 3px solid var(--brand-main); margin-bottom: 2rem; }
/* 步骤开头关键词高亮(品红),拉开与正文的层次 */
.course-hl { color: var(--brand-main); font-weight: 700; }

/* 准备工具盒 */
.course-tools-box { margin: 0 0 2.2rem; padding: 1.3rem 1.5rem; border-radius: 12px; background: rgba(255,46,126,0.06); border: 1px solid rgba(255,46,126,0.22); }
.course-tools-head { display: flex; align-items: center; gap: 0.5rem; font-family: var(--font-heading); font-size: 0.98rem; color: var(--text-main); margin-bottom: 0.85rem; }
.course-tools-head i { width: 17px; height: 17px; color: var(--brand-main); }
.course-tools-list { list-style: none; padding: 0; margin: 0 0 0.9rem; display: flex; flex-direction: column; gap: 0.7rem; }
.course-tools-list li { display: flex; align-items: center; gap: 0.6rem; flex-wrap: wrap; }
.tool-name { font-weight: 600; color: var(--text-main); font-size: 0.95rem; }
.tool-link { display: inline-flex; align-items: center; gap: 0.35rem; color: var(--brand-main); text-decoration: none; font-size: 0.88rem; word-break: break-all; }
.tool-link i { width: 14px; height: 14px; }
.tool-link:hover { text-decoration: underline; }
.tool-link.none { color: var(--text-muted); }
.course-tools-note { font-size: 0.85rem; color: var(--text-muted); line-height: 1.7; margin: 0; }

/* 章节 */
.course-sec { margin-top: 2.7rem; scroll-margin-top: calc(var(--nav-h, 80px) + 1.4rem); }
.course-sec:first-of-type { margin-top: 0; }
.course-sec-title {
  display: flex; align-items: baseline; gap: 0.7rem;
  font-family: var(--font-heading); font-size: 1.26rem; line-height: 1.4; color: var(--text-main);
  margin: 0 0 1.2rem; padding-bottom: 0.85rem; border-bottom: 1px solid var(--border-glass);
}
.course-sec-no { font-size: 0.8rem; font-weight: 700; color: #fff; background: var(--brand-main); padding: 0.2rem 0.55rem; border-radius: 7px; flex-shrink: 0; box-shadow: 0 4px 12px rgba(255,46,126,0.35); }

/* 步骤 */
.course-steps { list-style: none; counter-reset: step; padding: 0; margin: 0 0 1.6rem; display: flex; flex-direction: column; gap: 1.05rem; }
.course-steps li { counter-increment: step; position: relative; padding: 0.05rem 0 0 2.9rem; line-height: 1.9; color: rgba(232,227,238,0.85); font-size: 0.99rem; }
.course-steps li::before {
  content: counter(step); position: absolute; left: 0; top: 0.05rem;
  width: 1.8rem; height: 1.8rem; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-heading); font-size: 0.82rem; color: #fff;
  background: var(--brand-main); box-shadow: 0 4px 14px rgba(255,46,126,0.35);
}
.course-steps li:not(:last-child)::after {
  content: ''; position: absolute; left: 0.875rem; top: 2.05rem; bottom: -1rem;
  width: 1px; background: linear-gradient(180deg, rgba(255,46,126,0.32), transparent);
}

/* 随文内嵌配图(竖海报 → 居中限宽,带描边+说明,像文章里的截图) */
.course-fig { margin: 1.8rem 0 2rem; text-align: center; }
.course-fig-frame { display: inline-block; max-width: 380px; width: 100%; border-radius: 12px; overflow: hidden; border: 1px solid var(--border-glass); box-shadow: 0 14px 38px rgba(0,0,0,0.5); background: #14101a; line-height: 0; }
.course-fig-img { display: block; width: 100%; height: auto; }
.course-fig figcaption { margin-top: 0.7rem; font-size: 0.82rem; color: var(--brand-main); font-style: italic; line-height: 1.6; }
.course-fig.is-cssart .course-fig-frame { min-height: 220px; background: radial-gradient(120% 120% at 20% 0%, rgba(255,46,126,0.32), transparent 60%), radial-gradient(120% 120% at 90% 100%, rgba(108,99,255,0.32), transparent 60%), #14101a; }

/* 小结 */
.course-summary { display: flex; gap: 0.85rem; align-items: flex-start; margin-top: 1.4rem; padding: 1.15rem 1.4rem; border-left: 3px solid var(--brand-main); background: rgba(255,46,126,0.08); border-radius: 0 10px 10px 0; }
.course-summary-tag { flex-shrink: 0; font-size: 0.72rem; font-weight: 700; color: #fff; background: var(--brand-main); padding: 0.18rem 0.6rem; border-radius: 999px; margin-top: 0.1rem; }
.course-summary p { color: rgba(232,227,238,0.82); line-height: 1.85; margin: 0; font-size: 0.97rem; }

/* 正文末 CTA */
.course-cta { margin-top: 2.6rem; padding: 2.3rem 2rem; text-align: center; border: 1px solid var(--brand-main); border-radius: 14px; background: rgba(255,46,126,0.05); }
.course-cta .member-badge { margin-bottom: 1rem; }
.course-cta-title { font-family: var(--font-heading); font-size: 1.3rem; margin-bottom: 0.7rem; }
.course-cta-desc { color: var(--text-muted); line-height: 1.7; max-width: 520px; margin: 0 auto 1.3rem; }
.course-price { display: flex; align-items: baseline; justify-content: center; gap: 0.7rem; margin-bottom: 1.3rem; }
.course-price-now { font-family: var(--font-heading); font-size: 2.1rem; color: var(--brand-main); }
.course-price-orig { color: var(--text-muted); text-decoration: line-through; font-size: 1.05rem; }
.course-price-note { font-size: 0.84rem; color: var(--text-muted); }
.course-cta .member-benefits { justify-content: center; margin-bottom: 1.6rem; }

/* —— 每章打码钩子:本章「完整提示词/参数」打码 +「本课程未解锁,点击解锁」(对标刺猬章节内嵌打码)—— */
.course-lock { position: relative; margin: 1.6rem 0 1.9rem; border-radius: 12px; border: 1px solid rgba(255,46,126,0.28); background: rgba(255,46,126,0.045); overflow: hidden; }
.course-lock-head { display: flex; align-items: center; gap: 0.5rem; padding: 0.8rem 1.2rem; font-size: 0.9rem; font-weight: 600; color: var(--text-main); border-bottom: 1px solid rgba(255,46,126,0.18); }
.course-lock-head i { width: 16px; height: 16px; color: var(--brand-main); }
.course-lock-blur { padding: 1.15rem 1.3rem 1.6rem; color: var(--text-muted); line-height: 1.95; font-size: 0.92rem; filter: blur(5px); -webkit-user-select: none; user-select: none; pointer-events: none; }
.course-lock-cta {
  position: absolute; left: 50%; top: 64%; transform: translate(-50%, -50%);
  display: inline-flex; align-items: center; gap: 0.45rem; white-space: nowrap;
  padding: 0.62rem 1.4rem; border-radius: 999px;
  background: rgba(16,12,22,0.94); border: 1px solid var(--brand-main); color: #fff;
  font-size: 0.9rem; font-weight: 600; text-decoration: none;
  box-shadow: 0 12px 32px rgba(0,0,0,0.55); transition: background var(--transition-fast);
}
.course-lock-cta i { width: 15px; height: 15px; color: var(--brand-main); transition: color var(--transition-fast); }
.course-lock-cta:hover { background: var(--brand-main); }
.course-lock-cta:hover i { color: #fff; }

/* —— 右:最新教程 + 会员促销(sticky) —— */
.course-side { position: sticky; top: calc(var(--nav-h, 80px) + 1.4rem); display: flex; flex-direction: column; gap: 1.2rem; }
.course-side-card { padding: 1.25rem 1.15rem; border-radius: 14px; background: rgba(20,16,26,0.72); border: 1px solid var(--border-glass); -webkit-backdrop-filter: blur(8px); backdrop-filter: blur(8px); }
.course-side-head { font-family: var(--font-heading); font-size: 0.82rem; letter-spacing: 0.1em; color: var(--brand-main); margin-bottom: 1rem; padding-bottom: 0.7rem; border-bottom: 1px solid var(--border-glass); }
.course-latest-list { display: flex; flex-direction: column; gap: 0.9rem; }
.course-latest-item { display: flex; gap: 0.7rem; text-decoration: none; align-items: flex-start; }
.course-latest-thumb { flex-shrink: 0; width: 54px; height: 54px; border-radius: 9px; overflow: hidden; background: #14101a; border: 1px solid var(--border-glass); }
.course-latest-thumb img { width: 100%; height: 100%; object-fit: cover; display: block; }
.course-latest-thumb.is-empty { background: radial-gradient(120% 120% at 30% 0%, rgba(255,46,126,0.4), transparent 60%), #14101a; }
.course-latest-info { display: flex; flex-direction: column; gap: 0.25rem; min-width: 0; }
.course-latest-cat { font-size: 0.72rem; color: var(--brand-main); }
.course-latest-title { font-size: 0.84rem; line-height: 1.45; color: var(--text-main); display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; transition: color var(--transition-fast); }
.course-latest-item:hover .course-latest-title { color: var(--brand-main); }
.course-side-promo { text-align: center; background: linear-gradient(150deg, rgba(255,46,126,0.16), rgba(20,16,26,0.72)); border-color: rgba(255,46,126,0.3); }
.course-side-promo-badge { display: inline-block; font-size: 0.72rem; font-weight: 700; color: #fff; background: var(--brand-main); padding: 0.2rem 0.7rem; border-radius: 999px; margin-bottom: 0.8rem; }
.course-side-promo p { font-size: 0.92rem; color: var(--text-main); line-height: 1.6; margin: 0 0 1rem; }
.course-side-promo .lab-btn { width: 100%; }

/* 占位 / 未找到 */
.course-empty { text-align: center; padding: 6vh 4vw; display: flex; flex-direction: column; align-items: center; gap: 1rem; }
.course-empty-icon {
  width: 72px; height: 72px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  border: 1px solid var(--border-glass); background: rgba(255,255,255,0.04); margin-bottom: 0.4rem;
}
.course-empty-icon i { width: 34px; height: 34px; color: var(--brand-main); }
.course-empty h2 { font-family: var(--font-heading); font-size: 1.5rem; }
.course-empty p { color: var(--text-muted); max-width: 420px; line-height: 1.7; }

/* 响应式 */
@media (max-width: 1080px) {
  .course-doc-body { grid-template-columns: 210px minmax(0, 1fr); }
  .course-side { display: none; }
}
@media (max-width: 860px) {
  .course-doc-body { grid-template-columns: 1fr; gap: 1.4rem; }
  .course-toc { position: static; top: auto; }
  .course-toc-list { max-height: none; }
  .course-article { padding: 1.6rem 1.4rem 1.8rem; }
  #course-detail { padding-top: 12vh; }
}

/* 五大能力 */
.ability-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
  gap: 1.4rem;
}
.ability-card { padding: 1.6rem 1.4rem; text-align: center; }
.ability-icon {
  width: 52px; height: 52px;
  margin: 0 auto 1rem;
  display: flex; align-items: center; justify-content: center;
  border-radius: 14px;
  background: var(--brand-dim);
  color: var(--brand-main);
}
.ability-icon i { width: 26px; height: 26px; }
.ability-title { font-family: var(--font-heading); font-size: 1.15rem; margin-bottom: 0.5rem; }
.ability-desc { font-size: 0.88rem; color: var(--text-muted); line-height: 1.6; }

/* 学习→变现三大支柱 */
.lab-steps { display: flex; flex-wrap: wrap; align-items: stretch; justify-content: center; gap: 1rem; }
.lab-step {
  flex: 1; min-width: 220px; max-width: 320px;
  padding: 1.8rem 1.5rem; text-align: center;
}
.lab-step-icon {
  width: 56px; height: 56px;
  margin: 0 auto 1rem;
  display: flex; align-items: center; justify-content: center;
  border-radius: 50%;
  border: 1px solid var(--brand-main);
  color: var(--brand-main);
}
.lab-step-icon i { width: 26px; height: 26px; }
.lab-step-title { font-family: var(--font-heading); font-size: 1.3rem; margin-bottom: 0.5rem; }
.lab-step-desc { font-size: 0.9rem; color: var(--text-muted); line-height: 1.6; }
.lab-step-arrow { display: flex; align-items: center; color: var(--brand-main); opacity: 0.6; }

/* 学员案例 */
.case-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.4rem;
}
.case-card { border-radius: var(--glass-radius); overflow: hidden; position: relative; }
.case-card img { width: 100%; aspect-ratio: 3 / 4; object-fit: cover; display: block; }
.case-info {
  position: absolute; left: 0; right: 0; bottom: 0;
  padding: 1rem;
  background: linear-gradient(to top, rgba(7,6,10,0.9), transparent);
}
.case-tag { font-size: 0.72rem; color: var(--brand-main); }
.case-title { font-family: var(--font-heading); font-size: 1.05rem; }

/* 底部变现 CTA */
.lab-monetize { padding: 14vh 4vw; text-align: center; }
.lab-monetize h2 { font-family: var(--font-heading); font-size: clamp(1.8rem, 4vw, 3rem); margin-bottom: 1rem; }
.lab-monetize p { color: var(--text-muted); margin-bottom: 2rem; }

/* —— 响应式:≤768 mega-menu 不弹面板,走汉堡;网格降列 —— */
@media (max-width: 768px) {
  .mega-menu { display: none !important; }
  #lab-paywall { grid-template-columns: 1fr; }
  .mega-groups { grid-template-columns: 1fr; }
  .lab-step-arrow { transform: rotate(90deg); }
}

/* ============================================================
   AI 技能板块 —— ③ 扩展板块(直播课/策略AI/创作AI/需求大厅/人才大厅/企业定制/资源/成长)
   ============================================================ */
.lab-center { text-align: center; margin-top: 2rem; }
.strategy-note { color: var(--text-muted); margin-bottom: 1.2rem; font-size: 0.95rem; }

/* 直播课预售 */
.live-card {
  display: flex; flex-wrap: wrap; gap: 2rem; align-items: center; justify-content: space-between;
  padding: 2.2rem; border-radius: var(--glass-radius);
  background: linear-gradient(120deg, rgba(255,46,126,0.14), var(--bg-glass));
  -webkit-backdrop-filter: var(--glass-blur); backdrop-filter: var(--glass-blur);
  box-shadow: var(--glass-shadow); border: 1px solid var(--border-glass);
}
.live-info { flex: 1; min-width: 280px; }
.live-badge { display: inline-block; font-size: 0.72rem; font-weight: 700; background: var(--brand-main); color: #fff; padding: 0.2rem 0.7rem; border-radius: 999px; margin-bottom: 0.8rem; }
.live-title { font-family: var(--font-heading); font-size: 1.7rem; margin-bottom: 0.5rem; }
.live-sub { color: var(--text-muted); line-height: 1.6; margin-bottom: 0.7rem; }
.live-date { font-size: 0.85rem; color: var(--text-muted); display: flex; align-items: center; gap: 0.4rem; }
.live-date i { width: 15px; height: 15px; }
.live-price { text-align: center; min-width: 200px; }
.live-price-orig { color: var(--text-muted); text-decoration: line-through; font-size: 0.9rem; }
.live-price-now { font-family: var(--font-heading); font-size: 2rem; color: var(--brand-main); }
.live-presale { font-size: 0.82rem; color: var(--text-main); background: var(--brand-dim); border-radius: 999px; padding: 0.25rem 0.8rem; display: inline-block; margin: 0.5rem 0 1rem; }

/* 策略 AI 市场数据墙 */
.market-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 1.2rem; }
.market-card { padding: 1.4rem; text-align: center; }
.market-region { font-family: var(--font-heading); font-size: 1.1rem; margin-bottom: 0.5rem; }
.market-gmv { font-family: var(--font-heading); font-size: 1.8rem; color: var(--brand-main); margin-bottom: 0.5rem; }
.market-meta { display: flex; flex-direction: column; gap: 0.2rem; font-size: 0.8rem; color: var(--text-muted); }

/* 需求大厅 */
.demand-actions { display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; margin-bottom: 2rem; }
.demand-list { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 1.4rem; }
.demand-card { padding: 1.4rem 1.5rem; display: flex; flex-direction: column; gap: 0.6rem; }
.demand-head { display: flex; justify-content: space-between; align-items: center; }
.demand-cat { font-size: 0.72rem; color: var(--brand-main); border: 1px solid var(--brand-main); border-radius: 999px; padding: 0.15rem 0.6rem; }
.demand-bid { font-size: 0.78rem; color: var(--text-muted); }
.demand-company { font-size: 0.9rem; color: var(--text-main); }
.demand-desc { font-size: 0.85rem; color: var(--text-muted); line-height: 1.6; flex: 1; }
.demand-meta { display: flex; flex-wrap: wrap; gap: 0.8rem; font-size: 0.8rem; color: var(--text-muted); padding-top: 0.6rem; border-top: 1px solid var(--border-glass); }
.demand-budget { color: var(--brand-main); font-weight: 600; }

/* 人才大厅 */
.talent-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 1.4rem; }
.talent-card { padding: 1.8rem 1.4rem; text-align: center; display: flex; flex-direction: column; align-items: center; }
.talent-avatar { width: 64px; height: 64px; border-radius: 50%; background: var(--brand-dim); color: var(--brand-main); display: flex; align-items: center; justify-content: center; margin-bottom: 0.9rem; }
.talent-avatar i { width: 32px; height: 32px; }
.talent-name { font-family: var(--font-heading); font-size: 1.2rem; }
.talent-role { font-size: 0.85rem; color: var(--text-muted); margin: 0.3rem 0 0.8rem; }
.talent-meta { display: flex; gap: 1rem; align-items: center; margin-bottom: 0.5rem; }
.talent-income { color: var(--brand-main); font-weight: 600; }
.talent-days { font-size: 0.78rem; color: var(--text-muted); margin-bottom: 1rem; }
.talent-cta { font-size: 0.85rem; padding: 0.5rem 1.4rem; }

/* 企业定制引导表单 */
.ent-trust { display: flex; flex-wrap: wrap; gap: 0.7rem; justify-content: center; margin-bottom: 2rem; }
.ent-trust span { font-size: 0.82rem; color: var(--text-muted); padding: 0.35rem 0.9rem; border: 1px solid var(--border-glass); border-radius: 999px; }
.ent-form { max-width: 760px; margin: 0 auto; padding: 2.2rem; display: flex; flex-direction: column; gap: 1.6rem; }
.ent-step { display: flex; flex-direction: column; gap: 0.8rem; }
.ent-q { display: flex; align-items: center; gap: 0.6rem; font-size: 1.05rem; font-family: var(--font-heading); }
.ent-num { width: 24px; height: 24px; border-radius: 50%; background: var(--brand-main); color: #fff; font-size: 0.8rem; display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.ent-opts { display: flex; flex-wrap: wrap; gap: 0.6rem; padding-left: 1.8rem; }
.ent-opt { font-size: 0.88rem; color: var(--text-muted); background: rgba(255,255,255,0.03); border: 1px solid var(--border-glass); border-radius: 999px; padding: 0.45rem 1.1rem; cursor: pointer; transition: color var(--transition-fast), background var(--transition-fast), border-color var(--transition-fast); }
.ent-opt:hover { color: var(--text-main); }
.ent-opt.active { background: var(--brand-main); color: #fff; border-color: var(--brand-main); }
.ent-contact { display: flex; gap: 0.8rem; padding-left: 1.8rem; flex-wrap: wrap; }
.ent-contact input { flex: 1; min-width: 200px; background: rgba(255,255,255,0.04); border: 1px solid var(--border-glass); border-radius: 999px; padding: 0.7rem 1.2rem; color: var(--text-main); font-family: var(--font-body); outline: none; }
.ent-contact input::placeholder { color: var(--text-muted); }

/* 精选资源 */
.res-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 1.4rem; }
.res-card { padding: 1.6rem 1.4rem; text-align: center; }
.res-icon { width: 52px; height: 52px; margin: 0 auto 1rem; border-radius: 14px; background: var(--brand-dim); color: var(--brand-main); display: flex; align-items: center; justify-content: center; }
.res-icon i { width: 26px; height: 26px; }
.res-title { font-family: var(--font-heading); font-size: 1.05rem; margin-bottom: 0.5rem; }
.res-tag { font-size: 0.75rem; color: var(--text-muted); border: 1px solid var(--border-glass); border-radius: 999px; padding: 0.15rem 0.7rem; }

/* 成长计划横幅 */
.growth-card {
  text-align: center; padding: 3rem 2rem; border-radius: var(--glass-radius);
  background: linear-gradient(120deg, rgba(255,46,126,0.16), var(--bg-glass));
  -webkit-backdrop-filter: var(--glass-blur); backdrop-filter: var(--glass-blur);
  box-shadow: var(--glass-shadow); border: 1px solid var(--border-glass);
}
.growth-badge { display: inline-block; font-size: 0.75rem; font-weight: 700; background: var(--brand-main); color: #fff; padding: 0.2rem 0.8rem; border-radius: 999px; margin-bottom: 1rem; }
.growth-title { font-family: var(--font-heading); font-size: clamp(1.6rem, 4vw, 2.6rem); margin-bottom: 0.8rem; }
.growth-sub { color: var(--text-muted); max-width: 620px; margin: 0 auto 1.8rem; line-height: 1.7; }

@media (max-width: 768px) {
  .live-card { flex-direction: column; text-align: center; }
  .ent-opts, .ent-contact { padding-left: 0; }
  .demand-list { grid-template-columns: 1fr; }
}

/* 导航左侧组:logo + AI技能 / 接单大厅 两个突出入口(品红胶囊) */
.nav-left { display: flex; align-items: center; gap: 1.4rem; }
.nav-feature {
  display: inline-flex; align-items: center; gap: 0.45rem;
  color: var(--text-main); text-decoration: none;
  font-size: 0.85rem; font-weight: 600; line-height: 1.2; letter-spacing: 0.02em; white-space: nowrap;
  padding: 0.46rem 1rem; border-radius: 12px;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.16);
  -webkit-backdrop-filter: blur(10px); backdrop-filter: blur(10px);
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.08);
  transition: background var(--transition-fast), border-color var(--transition-fast), box-shadow var(--transition-fast), transform var(--transition-fast);
}
.nav-feature i, .nav-feature svg { width: 15px; height: 15px; color: var(--brand-main); flex-shrink: 0; }
.nav-feature:hover {
  background: rgba(255,46,126,0.12); border-color: var(--brand-main);
  box-shadow: 0 0 0 1px rgba(255,46,126,0.35), 0 8px 22px rgba(255,46,126,0.28);
  transform: translateY(-1px);
}
.nav-feature.active {
  background: rgba(255,46,126,0.14); border-color: var(--brand-main);
  box-shadow: 0 0 16px rgba(255,46,126,0.22), inset 0 1px 0 rgba(255,255,255,0.08);
}
@media (max-width: 768px) {
  .nav-left { gap: 0.6rem; }
  .nav-feature { font-size: 0.7rem; padding: 0.28rem 0.6rem; }
  .nav-logo .logo-word small { display: none; }
}
@media (max-width: 460px) {
  .nav-logo .logo-word { display: none; } /* 极窄屏只留 logo 图标,把空间让给两个入口 */
  .nav-feature { font-size: 0.66rem; padding: 0.26rem 0.5rem; }
}