/* ================================================
   七宝的世界 — Pop Art × Andy Warhol × 波普艺术
   Direction: Bold / Graphic / Playful / Comics
   Palette: Red #FF1744 | Yellow #FFE500 | Blue #0057FF
            Cyan #00E5FF | Black #111111 | White #FFFFFF
   Fonts: Bebas Neue (display) + Noto Sans SC (zh)
   ================================================ */

/* 字体回退优先，不阻塞渲染 */
:root {
  --red:     #FF1744;
  --yellow:  #FFE500;
  --blue:    #0057FF;
  --cyan:    #00E5FF;
  --green:   #00C853;
  --pink:    #FF4081;
  --black:   #111111;
  --white:   #FFFFFF;
  --offwhite:#FFFEF5;

  --border:  3px solid var(--black);
  --border-thick: 5px solid var(--black);
  --shadow:  5px 5px 0 var(--black);
  --shadow-lg: 8px 8px 0 var(--black);
  --shadow-red: 5px 5px 0 var(--red);
  --shadow-blue: 5px 5px 0 var(--blue);

  --font-display: 'Bebas Neue', 'Impact', 'Arial Black', sans-serif;
  --font-zh:      'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  --font-body:    'DM Sans', system-ui, sans-serif;

  --radius: 0px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: var(--font-zh);
  background: var(--offwhite);
  color: var(--black);
  line-height: 1.6;
  overflow-x: hidden;
  min-height: 100vh;
}

/* Halftone dot pattern background */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image: radial-gradient(circle, rgba(0,0,0,0.08) 1px, transparent 1px);
  background-size: 20px 20px;
  pointer-events: none;
  z-index: 0;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
ul { list-style: none; }

/* Scrollbar */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: var(--yellow); }
::-webkit-scrollbar-thumb { background: var(--black); }

/* ===== Navbar ===== */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 2.5rem;
  background: var(--yellow);
  border-bottom: var(--border-thick);
  transition: none;
}
.navbar.scrolled { background: var(--yellow); }

.nav-logo {
  font-family: var(--font-display);
  font-size: 1.8rem;
  letter-spacing: 2px;
  color: var(--black);
  line-height: 1;
}
.nav-logo span { color: var(--red); }

.nav-links {
  display: flex;
  gap: 0.2rem;
  align-items: center;
}
.nav-links a {
  font-family: var(--font-display);
  font-size: 0.9rem;
  letter-spacing: 2px;
  color: var(--black);
  padding: 6px 16px;
  border: 2px solid transparent;
  transition: all 0.15s;
  display: block;
  line-height: 1;
}
.nav-links a:hover,
.nav-links a.active {
  background: var(--black);
  color: var(--yellow);
  border-color: var(--black);
}

.nav-hamburger { display: none; cursor: pointer; flex-direction: column; gap: 5px; }
.nav-hamburger span { display: block; width: 24px; height: 3px; background: var(--black); transition: all 0.3s; }

/* ===== Container ===== */
.container { max-width: 1200px; margin: 0 auto; padding: 0 2rem; position: relative; z-index: 1; }

/* ===== Page System ===== */
.page { display: none; }
.page.active { display: block; }

/* ===== Reveal ===== */
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}
.reveal.visible { opacity: 1; transform: translateY(0); }

/* ===== Pop Button ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  font-family: var(--font-display);
  font-size: 1rem;
  letter-spacing: 2px;
  cursor: pointer;
  border: var(--border-thick);
  transition: all 0.12s ease;
  text-transform: uppercase;
  line-height: 1;
}
.btn-red {
  background: var(--red);
  color: var(--white);
  box-shadow: var(--shadow);
}
.btn-red:hover { transform: translate(-3px,-3px); box-shadow: 8px 8px 0 var(--black); }
.btn-red:active { transform: translate(0,0); box-shadow: 2px 2px 0 var(--black); }

.btn-yellow {
  background: var(--yellow);
  color: var(--black);
  box-shadow: var(--shadow);
}
.btn-yellow:hover { transform: translate(-3px,-3px); box-shadow: 8px 8px 0 var(--black); }
.btn-yellow:active { transform: translate(0,0); box-shadow: 2px 2px 0 var(--black); }

.btn-blue {
  background: var(--blue);
  color: var(--white);
  box-shadow: var(--shadow);
}
.btn-blue:hover { transform: translate(-3px,-3px); box-shadow: 8px 8px 0 var(--black); }
.btn-blue:active { transform: translate(0,0); box-shadow: 2px 2px 0 var(--black); }

.btn-outline {
  background: transparent;
  color: var(--black);
  box-shadow: var(--shadow);
}
.btn-outline:hover { transform: translate(-3px,-3px); box-shadow: 8px 8px 0 var(--black); background: var(--black); color: var(--white); }

/* ===== Pop Card ===== */
.pop-card {
  border: var(--border-thick);
  box-shadow: var(--shadow-lg);
  background: var(--white);
  transition: transform 0.15s, box-shadow 0.15s;
}
.pop-card:hover { transform: translate(-4px,-4px); box-shadow: 12px 12px 0 var(--black); }

/* ===== Tag ===== */
.tag {
  display: inline-block;
  padding: 4px 12px;
  border: 2px solid var(--black);
  font-family: var(--font-display);
  font-size: 0.75rem;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--black);
  background: var(--white);
  margin: 3px;
  transition: all 0.15s;
}
.tag:hover { background: var(--black); color: var(--yellow); }

/* ===== Section label ===== */
.pop-label {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 0.75rem;
  letter-spacing: 3px;
  text-transform: uppercase;
  background: var(--black);
  color: var(--yellow);
  padding: 4px 12px;
  margin-bottom: 1.5rem;
}

/* ==============================================
   HOME PAGE
   ============================================== */

/* ---- Hero 入场动效 keyframes ---- */
@keyframes hero-slide-left {
  from { opacity: 0; transform: translateX(-60px); }
  to   { opacity: 1; transform: translateX(0); }
}
@keyframes hero-rise {
  from { opacity: 0; transform: translateY(32px); }
  to   { opacity: 1; transform: translateY(0); }
}

.hero {
  min-height: 100vh;
  padding-top: 64px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  border-bottom: var(--border-thick);
}

/* 左侧照片区：从左侧滑入 */
.hero-visual {
  position: relative;
  background: var(--red);
  border-right: var(--border-thick);
  overflow: hidden;
  display: flex;
  align-items: stretch;
  animation: hero-slide-left 0.8s cubic-bezier(.22,.68,0,1.2) both;
}
/* Diagonal stripe overlay */
.hero-visual::before {
  content: '';
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(
    45deg,
    transparent,
    transparent 18px,
    rgba(0,0,0,0.06) 18px,
    rgba(0,0,0,0.06) 20px
  );
  z-index: 1;
  pointer-events: none;
}
.hero-photo {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
  display: block;
}
/* Big diagonal label */
@keyframes stamp-float {
  0%,100% { transform: translateX(-50%) rotate(-8deg) translateY(0px); }
  50%      { transform: translateX(-50%) rotate(-8deg) translateY(-10px); }
}

.hero-visual-stamp {
  position: absolute;
  bottom: 3rem; left: 50%;
  transform: translateX(-50%) rotate(-8deg);
  background: var(--yellow);
  border: var(--border-thick);
  padding: 8px 24px;
  font-family: var(--font-display);
  font-size: 1.3rem;
  letter-spacing: 4px;
  white-space: nowrap;
  box-shadow: var(--shadow);
  z-index: 5;
  animation: stamp-float 3.5s ease-in-out infinite;
}

/* Right: Content - 右侧内容区：整体从右制 */
.hero-content {
  background: var(--offwhite);
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 5rem 4rem;
  position: relative;
  animation: hero-rise 0.7s 0.15s cubic-bezier(.22,.68,0,1) both;
}

/* 内容区各元素错落入场 */
.hero-welcome {
  animation: hero-rise 0.6s 0.2s both;
}
.hero-tagline {
  animation: hero-rise 0.6s 0.4s both;
}
.hero-badges {
  animation: hero-rise 0.5s 0.6s both;
}
.hero-btns {
  animation: hero-rise 0.5s 0.75s both;
}
/* Top-right corner: fortune clicker */
.hero-content::before { display: none; } /* 禁用原伪元素蓝角 */

/* ===== 卷页翻角 Page Curl ===== */
.fortune-corner {
  position: absolute;
  top: 0; right: 0;
  width: 90px; height: 90px;
  cursor: pointer;
  z-index: 10;
  /* 持续微幅呼吸动效，暗示可点击 */
  animation: curl-breathe 2.8s ease-in-out infinite;
}

/* 呼吸微动 */
@keyframes curl-breathe {
  0%, 100% { transform: scale(1); }
  50%       { transform: scale(1.08); }
}

/* hover: 停止呼吸，明显放大 */
.fortune-corner:hover {
  animation: none;
  width: 120px;
  height: 120px;
  transition: width 0.25s cubic-bezier(.4,0,.2,1),
              height 0.25s cubic-bezier(.4,0,.2,1);
}

/* active: 点击淡出反馈 */
.fortune-corner:active {
  animation: none;
  width: 80px;
  height: 80px;
  transition: width 0.1s, height 0.1s;
}

/* 层1: 完全移除，不需要白色翻折层 */
.fortune-corner::before { display: none; }


/* 层2: 蓝色实心三角 */
.fortune-corner::after {
  content: '';
  position: absolute;
  top: 0; right: 0;
  width: 0; height: 0;
  border-style: solid;
  border-width: 0 90px 90px 0;
  border-color: transparent var(--blue) transparent transparent;
  filter: drop-shadow(-4px 5px 8px rgba(0,57,200,0.35));
  transition: border-width 0.25s cubic-bezier(.4,0,.2,1),
              filter 0.25s;
  z-index: 1;
}
.fortune-corner:hover::after {
  border-width: 0 120px 120px 0;
  filter: drop-shadow(-6px 7px 14px rgba(0,57,200,0.55));
}
.fortune-corner:active::after {
  border-width: 0 80px 80px 0;
}

/* ===== Fortune Modal ===== */
.fortune-modal {
  display: none;
  position: fixed; inset: 0;
  background: rgba(17,17,17,0.65);
  z-index: 99999;
  align-items: center;
  justify-content: center;
  padding: 1rem;
}
.fortune-modal.open { display: flex; }

.fortune-card {
  background: var(--offwhite);
  border: var(--border-thick);
  box-shadow: 10px 10px 0 var(--black);
  max-width: 480px;
  width: 100%;
  position: relative;
  animation: popIn 0.3s ease;
  overflow: hidden;
}
.fortune-close {
  position: absolute;
  top: 12px; right: 12px;
  width: 36px; height: 36px;
  background: var(--black);
  color: var(--yellow);
  border: none;
  font-size: 1rem;
  cursor: pointer;
  font-family: var(--font-display);
  display: flex; align-items: center; justify-content: center;
  transition: background 0.15s;
}
.fortune-close:hover { background: var(--red); }

.fortune-header {
  background: var(--yellow);
  border-bottom: var(--border-thick);
  padding: 2rem 2.5rem 1.5rem;
  text-align: center;
}
.fortune-header-icon { font-size: 2.5rem; margin-bottom: 0.3rem; }
.fortune-date {
  font-family: var(--font-display);
  font-size: 0.7rem;
  letter-spacing: 3px;
  text-transform: uppercase;
  opacity: 0.6;
  margin-bottom: 0.3rem;
}
.fortune-title {
  font-family: var(--font-display);
  font-size: 2rem;
  letter-spacing: 2px;
  color: var(--black);
  margin: 0;
}

.fortune-body {
  padding: 2rem 2.5rem;
}
.fortune-stars {
  display: flex;
  gap: 4px;
  margin-bottom: 1.2rem;
  justify-content: center;
}
.fortune-star {
  width: 28px; height: 28px;
  background: var(--yellow);
  border: 2px solid var(--black);
  display: flex; align-items: center; justify-content: center;
  font-size: 0.9rem;
}
.fortune-star.dim { background: var(--white); opacity: 0.4; }

.fortune-item {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
  padding: 0.7rem 0;
  border-bottom: 2px solid rgba(0,0,0,0.06);
}
.fortune-item:last-child { border-bottom: none; }
.fi-label {
  font-family: var(--font-display);
  font-size: 0.7rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  background: var(--black);
  color: var(--yellow);
  padding: 2px 8px;
  white-space: nowrap;
  margin-top: 2px;
}
.fi-text {
  font-family: var(--font-zh);
  font-size: 0.92rem;
  line-height: 1.7;
  color: var(--black);
}
.fortune-keyword {
  display: inline-block;
  margin-top: 0.8rem;
  padding: 6px 18px;
  background: var(--red);
  color: var(--white);
  font-family: var(--font-display);
  font-size: 1rem;
  letter-spacing: 2px;
  border: var(--border);
  box-shadow: 3px 3px 0 var(--black);
}

.fortune-footer {
  padding: 1rem 2.5rem 2rem;
  text-align: center;
  border-top: var(--border-thick);
  background: var(--offwhite);
}

/* Logo 文字无装饰 */
.nav-logo {
  font-family: var(--font-display);
  font-size: 1.3rem;
  letter-spacing: 1px;
  color: var(--black);
  line-height: 1;
}

/* 欢迎色块 */
.hero-welcome {
  display: inline-block;
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  letter-spacing: 1px;
  line-height: 1.15;
  color: var(--white);
  background: var(--red);
  border: var(--border-thick);
  padding: 6px 18px;
  margin-bottom: 1rem;
  box-shadow: var(--shadow);
}

/* 副标题：Digital Marketer / Future Billionaire */
.hero-tagline {
  display: block;
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 4.5vw, 4rem);
  letter-spacing: -0.5px;
  line-height: 1.05;
  color: var(--black);
  margin-bottom: 1.2rem;
}

/* 徽章行：小字号标签 */
.hero-badges {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0;
  font-family: var(--font-body);
  font-size: clamp(0.9rem, 1.3vw, 1.1rem);
  letter-spacing: 0.2px;
  color: var(--black);
  opacity: 0.72;
  line-height: 2;
  max-width: 520px;
  margin-bottom: 1.8rem;
  border-left: 4px solid var(--yellow);
  padding-left: 12px;
}
.hb-item {
  white-space: nowrap;
  display: inline-block;
}
.hb-sep {
  white-space: nowrap;
  display: inline-block;
  opacity: 0.5;
}

.hero-btns {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  opacity: 0;
  animation: popIn 0.5s ease 0.65s forwards;
}

.hero-tags {
  margin-top: 2rem;
  opacity: 0;
  animation: popIn 0.5s ease 0.8s forwards;
}

/* ==============================================
   SECTION NAV（默认实心色块，hover 上移露白）
   ============================================== */
.section-nav {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  border-top: var(--border-thick);
  border-bottom: var(--border-thick);
}

.sn-item {
  display: flex;
  flex-direction: column;
  border-right: var(--border-thick);
  cursor: pointer;
  overflow: hidden;
  position: relative;
  /* 默认背景由色块伪元素充满 */
}
.sn-item:last-child { border-right: none; }

/* 实心色块：::before 覆盖整格（z-index:3），hover 时向上滑出 */
.sn-item::before {
  content: '';
  position: absolute;
  inset: 0;
  z-index: 3;
  transform: translateY(0);
  transition: transform 0.38s cubic-bezier(.4,0,.2,1);
}
.sn-item:hover::before {
  transform: translateY(-100%);
}

/* 每格对应色 */
.sn-item:nth-child(1)::before { background: #FF1744; }
.sn-item:nth-child(2)::before { background: #FFE500; }
.sn-item:nth-child(3)::before { background: #FF4081; }
.sn-item:nth-child(4)::before { background: #0057FF; }
.sn-item:nth-child(5)::before { background: #00E5FF; }
.sn-item:nth-child(6)::before { background: #00C853; }

/* 内容区：z-index:2，始终在色块下方，色块滑出后自动显现 */
.sn-body {
  padding: 1.8rem 1.6rem 2rem;
  display: flex;
  flex-direction: column;
  flex: 1;
  position: relative;
  z-index: 2;
  background: var(--white);
}

.sn-num {
  font-family: var(--font-display);
  font-size: 0.6rem;
  letter-spacing: 2px;
  opacity: 0.45;
  margin-bottom: 1.2rem;
  display: block;
  color: var(--black);
}

/* 简笔 SVG icon */
.sn-icon {
  width: 34px;
  height: 34px;
  margin-bottom: 1rem;
  color: var(--black);
  transition: color 0.2s, transform 0.25s;
}
.sn-icon svg {
  width: 100%;
  height: 100%;
}

/* hover 时 icon 和标题换色 */
.sn-item:nth-child(1):hover .sn-icon,
.sn-item:nth-child(1):hover .sn-title { color: #FF1744; }
.sn-item:nth-child(2):hover .sn-icon,
.sn-item:nth-child(2):hover .sn-title { color: #b89800; }
.sn-item:nth-child(3):hover .sn-icon,
.sn-item:nth-child(3):hover .sn-title { color: #FF4081; }
.sn-item:nth-child(4):hover .sn-icon,
.sn-item:nth-child(4):hover .sn-title { color: #0057FF; }
.sn-item:nth-child(5):hover .sn-icon,
.sn-item:nth-child(5):hover .sn-title { color: #0099aa; }
.sn-item:nth-child(6):hover .sn-icon,
.sn-item:nth-child(6):hover .sn-title { color: #00C853; }

.sn-title {
  font-family: var(--font-display);
  font-size: 1rem;
  letter-spacing: 1px;
  color: var(--black);
  margin-bottom: 0.4rem;
  line-height: 1;
  transition: color 0.2s;
}

.sn-desc {
  font-family: var(--font-zh);
  font-size: 0.75rem;
  color: var(--black);
  opacity: 0.55;
  line-height: 1.5;
  flex: 1;
}

.sn-arrow {
  position: absolute;
  bottom: 1.2rem;
  right: 1.4rem;
  font-family: var(--font-display);
  font-size: 1.2rem;
  opacity: 0;
  transform: translate(-6px, 6px);
  transition: all 0.2s;
  z-index: 2;
}
.sn-item:hover .sn-arrow {
  opacity: 1;
  transform: translate(0, 0);
}

/* 移除旧的 sn-bar */
.sn-bar { display: none; }

/* ==============================================
   SHARED PAGE HEADER
   ============================================== */
.pop-header {
  padding-top: 20px;
  padding-bottom: 0;
  margin-bottom: 0;
}
.pop-page-title {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3.5vw, 3rem);
  letter-spacing: -1px;
  line-height: 1;
  color: var(--black);
  border-bottom: var(--border-thick);
  padding-bottom: 0.8rem;
  margin-bottom: 0.6rem;
}
.pop-header-desc {
  font-family: var(--font-zh);
  font-size: 0.9rem;
  color: var(--black);
  opacity: 0.5;
  letter-spacing: 2px;
  margin-top: 0;
  margin-bottom: 1.8rem;
}
.pop-page-title .t-red { color: var(--red); }
.pop-page-title .t-blue { color: var(--blue); }
.pop-page-title .t-yellow {
  background: var(--yellow);
  padding: 0 8px;
  display: inline;
}

/* ==============================================
   ABOUT PAGE
   ============================================== */
.about-page { padding-top: 40px; padding-bottom: 0; }

.about-hero {
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: 0;
  border: var(--border-thick);
  box-shadow: var(--shadow-lg);
  margin-bottom: 4rem;
  overflow: hidden;
}
.about-photo-wrap {
  position: relative;
  background: var(--cyan);
  border-right: var(--border-thick);
  overflow: hidden;
}
.about-photo-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
  display: block;
  transition: transform 0.1s;
}
/* hover 剧烈晴动 */
@keyframes photo-shake {
  0%,100% { transform: rotate(0deg) scale(1); }
  10%      { transform: rotate(-4deg) scale(1.03); }
  20%      { transform: rotate(5deg) scale(1.04); }
  30%      { transform: rotate(-5deg) scale(1.05); }
  40%      { transform: rotate(4deg) scale(1.04); }
  50%      { transform: rotate(-3deg) scale(1.03); }
  60%      { transform: rotate(5deg) scale(1.05); }
  70%      { transform: rotate(-4deg) scale(1.03); }
  80%      { transform: rotate(3deg) scale(1.02); }
  90%      { transform: rotate(-2deg) scale(1.01); }
}
.about-photo-wrap:hover img {
  animation: photo-shake 0.6s ease-in-out;
}
.about-photo-badge {
  position: absolute;
  top: 1.5rem; right: -10px;
  background: var(--red);
  border: var(--border);
  padding: 6px 20px 6px 12px;
  font-family: var(--font-display);
  font-size: 1rem;
  letter-spacing: 3px;
  color: var(--white);
  box-shadow: var(--shadow);
  z-index: 5;
}
.about-text-wrap {
  padding: 3rem;
}
.about-name {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 5vw, 5.5rem);
  letter-spacing: -2px;
  line-height: 1;
  white-space: nowrap;
  color: var(--black);
  margin-bottom: 0.8rem;
}
.about-name .ar { color: var(--red); }
.about-role {
  font-family: var(--font-display);
  font-size: 0.72rem;
  letter-spacing: 2px;
  color: var(--blue);
  margin-bottom: 2rem;
  display: block;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.about-bio {
  font-family: var(--font-zh);
  font-size: 0.96rem;
  line-height: 2;
  color: var(--black);
  margin-bottom: 2rem;
}
.about-bio p { margin-bottom: 0.8rem; }
.about-stats {
  display: flex;
  gap: 0;
  border-top: var(--border-thick);
  margin-top: 1.5rem;
}
.as-block {
  flex: 1;
  padding: 1.2rem 1.5rem;
  border-right: var(--border-thick);
  background: var(--offwhite);
}
.as-block:last-child { border-right: none; }
.as-num {
  font-family: var(--font-display);
  font-size: 2.5rem;
  letter-spacing: -1px;
  color: var(--red);
  line-height: 1;
}
.as-lbl {
  font-family: var(--font-display);
  font-size: 0.65rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  opacity: 0.6;
  margin-top: 4px;
}

/* Hobbies */
/* Latest Updates - 标签在上方，3张卡片并排 */
.latest-section {
  display: block !important;
  margin-bottom: 3rem;
}
.latest-section > .pop-label {
  display: inline-block;
  margin-bottom: 0.8rem;
}
.latest-row {
  display: grid !important;
  grid-template-columns: repeat(3, 1fr) !important;
  border: var(--border-thick);
  box-shadow: var(--shadow);
  overflow: hidden;
  margin-top: 0;
}

/* 卡片：默认黄色背景，独立边框 */
.latest-card {
  padding: 2rem 1.8rem 2.2rem;
  border-right: var(--border-thick);
  background: var(--yellow);
  cursor: default;
  transition: background 0.2s, transform 0.15s, box-shadow 0.15s;
  position: relative;
  overflow: hidden;
}
.latest-card:last-child { border-right: none; }
.latest-card:hover {
  background: var(--black);
  transform: translate(-3px, -3px);
  box-shadow: 6px 6px 0 var(--yellow);
  z-index: 2;
}
.latest-card:hover .lc-tag,
.latest-card:hover .lc-main,
.latest-card:hover .lc-sub { color: var(--yellow); }
.latest-card:hover .lc-icon { color: var(--yellow); }
.latest-card:last-child { border-right: none; }
.latest-card:hover {
  background: var(--black);
  transform: translateY(-3px);
}
.latest-card:hover .lc-tag,
.latest-card:hover .lc-main,
.latest-card:hover .lc-sub { color: var(--yellow); }
.latest-card:hover .lc-icon { color: var(--yellow); }

.lc-tag {
  font-family: var(--font-zh);
  font-size: 0.72rem;
  color: var(--black);
  opacity: 0.6;
  margin-bottom: 1rem;
  letter-spacing: 1px;
  transition: color 0.2s;
}
.lc-icon {
  width: 38px;
  height: 38px;
  color: var(--black);
  margin-bottom: 1rem;
  transition: color 0.2s;
}
.lc-icon svg { width: 100%; height: 100%; }
.lc-main {
  font-family: var(--font-zh);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--black);
  line-height: 1.4;
  transition: color 0.2s;
}
.lc-sub {
  font-family: var(--font-display);
  font-size: 1.15rem;
  letter-spacing: 1px;
  font-weight: 400;
  color: var(--black);
  transition: color 0.2s;
}

/* Timeline - 左右交替时间轴 */
.timeline-section { margin-bottom: 4rem; }

/* 列标题行 */
.tl-headers {
  display: grid;
  grid-template-columns: 1fr 24px 1fr;
  gap: 0 1rem;
  margin-bottom: 1.5rem;
}
.tl-header-left {
  grid-column: 1;
  justify-self: end;
  font-family: var(--font-display);
  font-size: 0.72rem;
  letter-spacing: 3px;
  text-transform: uppercase;
  background: var(--blue);
  color: var(--white);
  padding: 4px 14px;
  border: var(--border-thick);
}
.tl-header-right {
  grid-column: 3;
  justify-self: start;
  font-family: var(--font-display);
  font-size: 0.72rem;
  letter-spacing: 3px;
  text-transform: uppercase;
  background: var(--yellow);
  color: var(--black);
  padding: 4px 14px;
  border: var(--border-thick);
}

.tl-axis {
  position: relative;
  padding: 2rem 0;
}

/* 中间竖线 */
.tl-axis::before {
  content: '';
  position: absolute;
  left: 50%;
  top: 0; bottom: 0;
  width: 3px;
  background: var(--black);
  transform: translateX(-50%);
}

/* 每个节点：两列布局，中间留竖轴 */
.tl-node {
  display: grid;
  grid-template-columns: 1fr 24px 1fr;
  align-items: center;
  gap: 0 1rem;
  margin-bottom: 1.8rem;
  position: relative;
}

/* 圆点 */
.tl-dot {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--black);
  border: 3px solid var(--white);
  outline: 3px solid var(--black);
  justify-self: center;
  position: relative;
  z-index: 1;
}

/* 卡片通用 */
.tl-card {
  padding: 0.9rem 1.2rem;
  border: var(--border-thick);
  box-shadow: 4px 4px 0 var(--black);
  transition: transform 0.15s, box-shadow 0.15s;
}
.tl-card:hover {
  transform: translate(-2px, -2px);
  box-shadow: 6px 6px 0 var(--black);
}
.tl-card-blue { background: var(--blue); color: var(--white); }
.tl-card-yellow { background: var(--yellow); color: var(--black); }

.tl-card-tag {
  font-family: var(--font-display);
  font-size: 0.65rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  opacity: 0.7;
  margin-bottom: 0.3rem;
}
.tl-card-ev {
  font-family: var(--font-zh);
  font-size: 0.92rem;
  line-height: 1.5;
}

/* 年份标签 */
.tl-yr-label {
  font-family: var(--font-display);
  font-size: 0.72rem;
  letter-spacing: 1px;
  opacity: 0.55;
}

/* 左节点：卡片在左列（col1），年份在右列（col3） */
.tl-left .tl-card  { grid-column: 1; justify-self: end; width: 100%; }
.tl-left .tl-dot   { grid-column: 2; }
.tl-left .tl-yr-label { grid-column: 3; justify-self: start; }

/* 右节点：年份在左列（col1），卡片在右列（col3） */
.tl-right .tl-yr-label { grid-column: 1; justify-self: end; }
.tl-right .tl-dot  { grid-column: 2; }
.tl-right .tl-card { grid-column: 3; justify-self: start; width: 100%; }

/* ==============================================
   BLOGS PAGE
   ============================================== */
.blogs-page { padding-top: 80px; padding-bottom: 6rem; }

/* 搜索框 */
.blog-search {
  margin-bottom: 2.5rem;
}
.blog-search-wrap {
  display: flex;
  align-items: center;
  border: var(--border-thick);
  background: var(--white);
  box-shadow: var(--shadow);
  overflow: hidden;
  transition: box-shadow 0.2s;
}
.blog-search-wrap:focus-within {
  box-shadow: 6px 6px 0 var(--black);
}
.blog-search-icon {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  margin: 0 1rem 0 1.2rem;
  color: var(--black);
  opacity: 0.45;
}
.blog-search-input {
  flex: 1;
  border: none;
  outline: none;
  background: transparent;
  font-family: var(--font-zh);
  font-size: 1rem;
  color: var(--black);
  padding: 1rem 0.5rem;
  letter-spacing: 0.5px;
}
.blog-search-clear {
  border: none;
  background: transparent;
  font-size: 1rem;
  padding: 0 1.2rem;
  cursor: pointer;
  color: var(--black);
  opacity: 0;
  transition: opacity 0.15s;
  font-family: var(--font-display);
  height: 100%;
}
.blog-search-wrap:focus-within .blog-search-clear,
.blog-search-input:not(:placeholder-shown) ~ .blog-search-clear {
  opacity: 0.4;
}
.blog-search-clear:hover { opacity: 1 !important; }

.blog-featured {
  display: grid;
  grid-template-columns: 1fr 1fr;
  border: var(--border-thick);
  box-shadow: var(--shadow-lg);
  margin-bottom: 3rem;
  cursor: pointer;
  overflow: hidden;
  transition: transform 0.15s, box-shadow 0.15s;
  text-decoration: none;
  color: inherit;
  display: grid; /* ensure grid on anchor */
}
.blog-featured:hover { transform: translate(-4px,-4px); box-shadow: 12px 12px 0 var(--black); }
.bf-visual {
  background: var(--red);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 8rem;
  border-right: var(--border-thick);
  min-height: 320px;
  position: relative;
  overflow: hidden;
}
.bf-visual::after {
  content: '';
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(
    -45deg,
    transparent, transparent 12px,
    rgba(0,0,0,0.05) 12px, rgba(0,0,0,0.05) 14px
  );
}
.bf-content {
  padding: 3rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
  background: var(--yellow);
}
.bf-cat {
  font-family: var(--font-display);
  font-size: 0.7rem;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--black);
  opacity: 0.6;
  margin-bottom: 1rem;
}
.bf-title {
  font-family: var(--font-display);
  font-size: 1.8rem;
  letter-spacing: -0.5px;
  line-height: 1.1;
  color: var(--black);
  margin-bottom: 1rem;
}
.bf-excerpt {
  font-family: var(--font-zh);
  font-size: 0.88rem;
  color: var(--black);
  opacity: 0.75;
  line-height: 1.8;
  margin-bottom: 1.5rem;
}

/* Blog grid */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  border-left: var(--border-thick);
  border-top: var(--border-thick);
}
.blog-card {
  border-right: var(--border-thick);
  border-bottom: var(--border-thick);
  cursor: pointer;
  overflow: hidden;
  transition: all 0.15s;
  text-decoration: none;
  color: inherit;
  display: block;
}
.blog-card:hover { transform: translate(-3px,-3px); box-shadow: 6px 6px 0 var(--black); z-index: 2; }
.bc-cover {
  height: 160px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 4rem;
  border-bottom: var(--border-thick);
  position: relative;
  overflow: hidden;
}
.bc-cover::after {
  content: '';
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(
    45deg,
    transparent, transparent 10px,
    rgba(0,0,0,0.04) 10px, rgba(0,0,0,0.04) 12px
  );
}
.bc-body { padding: 1.5rem; }

/* Blog cover color variants & image covers */
.bf-visual--career { background: #FFE500; }
.bc-cover--ielts   { background: #00C8FF; }
.bc-cover--dalf    { background: #FF4B4B; }
.bc-cover--cert    { background: #A78BFA; }
.bc-cover--eco     { background: #22C55E; }

/* Image cover styles — use <img> tag with object-fit */
.bf-visual--img {
  background: #111;
  padding: 0;
  font-size: 0;
}
.bc-cover--img {
  background: #111;
  padding: 0;
  font-size: 0;
}

/* img inside cover/visual */
.bc-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  display: block;
}

.bf-emoji,
.bc-emoji {
  font-size: inherit;
  position: relative;
  z-index: 1;
  line-height: 1;
}

/* Loading More card */
.blog-card--loading {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 220px;
  background: #fff;
  cursor: default;
  pointer-events: none;
}
.blog-card--loading:hover {
  transform: none;
  box-shadow: none;
}
.bc-loading-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
  padding: 2rem;
}
.bc-loading-text {
  font-family: var(--font-display);
  font-size: 0.9rem;
  font-weight: 900;
  letter-spacing: 4px;
  color: var(--black);
  text-transform: uppercase;
  border: 3px solid var(--black);
  padding: 8px 18px;
  background: #fff;
}
.bc-loading-dots {
  display: flex;
  gap: 8px;
}
.bc-loading-dots span {
  display: block;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--black);
  animation: loadingDot 1.2s ease-in-out infinite;
}
.bc-loading-dots span:nth-child(2) { animation-delay: 0.2s; }
.bc-loading-dots span:nth-child(3) { animation-delay: 0.4s; }
@keyframes loadingDot {
  0%, 80%, 100% { transform: scale(0.6); opacity: 0.4; }
  40%           { transform: scale(1.1); opacity: 1; }
}

/* No-result message */
.blog-no-result {
  text-align: center;
  padding: 4rem 2rem;
  font-family: var(--font-display);
  font-size: 1.1rem;
  letter-spacing: 1px;
  border: var(--border-thick);
  background: var(--yellow);
}
.bc-cat {
  font-family: var(--font-display);
  font-size: 0.65rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--red);
  margin-bottom: 0.5rem;
}
.bc-title {
  font-family: var(--font-display);
  font-size: 1rem;
  letter-spacing: 0.3px;
  line-height: 1.3;
  color: var(--black);
  margin-bottom: 0.5rem;
}
.bc-meta {
  font-family: var(--font-display);
  font-size: 0.65rem;
  letter-spacing: 1px;
  opacity: 0.5;
}

/* ==============================================
   VIDEOS PAGE
   ============================================== */
.videos-page { padding-top: 80px; padding-bottom: 6rem; }
.video-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  border-left: var(--border-thick);
  border-top: var(--border-thick);
}
.video-card {
  border-right: var(--border-thick);
  border-bottom: var(--border-thick);
  cursor: pointer;
  overflow: hidden;
  position: relative;
  aspect-ratio: 9/16;
  transition: all 0.15s;
}
.video-card:hover { transform: translate(-3px,-3px); box-shadow: 6px 6px 0 var(--black); z-index: 2; }
.v-bg {
  position: absolute; inset: 0;
  display: flex; align-items: center; justify-content: center;
  font-size: 4rem;
  transition: font-size 0.3s;
}
.video-card:hover .v-bg { font-size: 5.5rem; }
.v-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(to top, rgba(17,17,17,0.55) 20%, transparent 50%);
}
.v-play {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%,-50%);
  width: 52px; height: 52px;
  background: var(--yellow);
  border: var(--border);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.2rem;
  color: var(--black);
  padding-left: 4px;
  box-shadow: var(--shadow);
  transition: all 0.15s;
}
.video-card:hover .v-play { transform: translate(-50%,-50%) scale(1.15); }
.v-info {
  position: absolute; bottom: 0; left: 0; right: 0;
  padding: 1.2rem;
}
.v-cat {
  font-family: var(--font-display);
  font-size: 0.6rem;
  letter-spacing: 2px;
  color: var(--yellow);
  margin-bottom: 0.3rem;
}
.v-title {
  font-family: var(--font-zh);
  font-size: 0.88rem;
  color: var(--white);
  line-height: 1.4;
}

/* ==============================================
   PROJECTS PAGE
   ============================================== */
.projects-page { padding-top: 80px; padding-bottom: 6rem; }
.project-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0;
  border-left: var(--border-thick);
  border-top: var(--border-thick);
}
.proj-card {
  border-right: var(--border-thick);
  border-bottom: var(--border-thick);
  padding: 3rem;
  cursor: pointer;
  position: relative;
  overflow: hidden;
  transition: all 0.15s;
}
.proj-card:nth-child(1) { background: var(--white); }
.proj-card:nth-child(2) { background: var(--black); color: var(--white); }
.proj-card:nth-child(2) .proj-num { color: var(--yellow); }
.proj-card:nth-child(2) .proj-title { color: var(--yellow); }
.proj-card:nth-child(2) .proj-desc { color: rgba(255,255,255,0.85); }
.proj-card:nth-child(2) .tag { background: transparent; border-color: rgba(255,255,255,0.4); color: var(--white); }
.proj-card:nth-child(2) .tag:hover { background: var(--yellow); color: var(--black); border-color: var(--yellow); }
.proj-card:nth-child(2) .proj-arrow { color: var(--yellow); }
.proj-card:nth-child(2):hover { box-shadow: 8px 8px 0 var(--yellow); }
.proj-card:nth-child(3) { background: var(--yellow); }
.proj-card:nth-child(4) { background: var(--white); }
.proj-card:nth-child(5) { background: var(--white); }
.proj-card:nth-child(6) { background: var(--red); color: var(--white); }
.proj-card:hover { transform: translate(-4px,-4px); box-shadow: 8px 8px 0 var(--black); z-index: 2; }
.proj-num {
  font-family: var(--font-display);
  font-size: 0.65rem;
  letter-spacing: 3px;
  opacity: 0.45;
  margin-bottom: 1.5rem;
  display: block;
}
.proj-icon { font-size: 2.5rem; margin-bottom: 1.2rem; }
.proj-title {
  font-family: var(--font-display);
  font-size: 1.3rem;
  letter-spacing: 0.5px;
  margin-bottom: 0.8rem;
  line-height: 1.2;
}
.proj-desc {
  font-family: var(--font-zh);
  font-size: 0.87rem;
  line-height: 1.8;
  opacity: 0.8;
  margin-bottom: 1.5rem;
}
.proj-arrow {
  position: absolute;
  top: 2.5rem; right: 3rem;
  font-family: var(--font-display);
  font-size: 1.5rem;
  opacity: 0;
  transform: translate(-8px,8px);
  transition: all 0.15s;
}
.proj-card:hover .proj-arrow { opacity: 1; transform: translate(0); }

/* ==============================================
   CONTACT PAGE
   ============================================== */
.contact-page { padding-top: 80px; padding-bottom: 6rem; }
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  border: var(--border-thick);
  box-shadow: var(--shadow-lg);
  margin-top: 3rem;
  overflow: hidden;
}
.contact-left {
  padding: 4rem;
  background: var(--red);
  color: var(--white);
  border-right: var(--border-thick);
}
.contact-headline {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3.5rem);
  letter-spacing: -1px;
  line-height: 1.1;
  margin-bottom: 1.5rem;
}
.contact-motto {
  font-family: var(--font-zh);
  font-size: 1rem;
  line-height: 2;
  opacity: 0.9;
  margin-bottom: 3rem;
  white-space: nowrap;
}
.channels { display: flex; flex-direction: column; gap: 0.6rem; }
.channel {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem 1.2rem;
  border: 2px solid rgba(255,255,255,0.4);
  background: rgba(255,255,255,0.1);
  cursor: pointer;
  transition: all 0.15s;
}
.channel:hover {
  background: var(--white);
  border-color: var(--white);
  color: var(--red);
  transform: translateX(6px);
}
.ch-ico {
  width: 38px; height: 38px;
  background: rgba(255,255,255,0.2);
  border: 2px solid rgba(255,255,255,0.4);
  display: flex; align-items: center; justify-content: center;
  font-size: 1rem;
  flex-shrink: 0;
  transition: background 0.15s;
}
.channel:hover .ch-ico { background: var(--red); border-color: var(--red); color: var(--white); }
.ch-n {
  font-family: var(--font-display);
  font-size: 0.9rem;
  letter-spacing: 1px;
  display: block;
}
.ch-d { font-size: 0.7rem; opacity: 0.75; margin-top: 1px; }

/* Form side */
.contact-right {
  padding: 4rem;
  background: var(--offwhite);
}
.form-title {
  font-family: var(--font-display);
  font-size: 1.5rem;
  letter-spacing: 1px;
  margin-bottom: 2rem;
  color: var(--black);
}
.form-group { margin-bottom: 1.5rem; }
.form-group label {
  display: block;
  font-family: var(--font-display);
  font-size: 0.7rem;
  letter-spacing: 2.5px;
  text-transform: uppercase;
  color: var(--black);
  opacity: 0.6;
  margin-bottom: 0.5rem;
}
.form-group input,
.form-group textarea {
  width: 100%;
  background: var(--white);
  border: var(--border);
  padding: 12px 16px;
  font-family: var(--font-zh);
  font-size: 0.95rem;
  color: var(--black);
  outline: none;
  transition: border-color 0.15s, box-shadow 0.15s;
}
.form-group input:focus,
.form-group textarea:focus {
  box-shadow: 4px 4px 0 var(--blue);
}
.form-group textarea { height: 120px; resize: none; }
::placeholder { opacity: 0.4; }

/* Quote */
.quote-section {
  padding: 5rem 0;
  text-align: center;
  border-top: var(--border-thick);
  position: relative;
  overflow: hidden;
}
.quote-section::before {
  content: '';
  position: absolute; inset: 0;
  background: var(--yellow);
  z-index: -1;
}
.big-quote {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 4vw, 4rem);
  letter-spacing: -1px;
  line-height: 1.2;
  color: var(--black);
  max-width: 760px;
  margin: 0 auto 1rem;
}
.big-quote .qr { color: var(--red); }
.quote-by {
  font-family: var(--font-display);
  font-size: 0.75rem;
  letter-spacing: 3px;
  text-transform: uppercase;
  opacity: 0.5;
}

/* ==============================================
   GALLERY PAGE
   ============================================== */
.gallery-page { padding-top: 80px; padding-bottom: 6rem; }

/* Filter tabs */
.gallery-tabs {
  display: flex;
  gap: 0;
  margin-bottom: 3rem;
  border: var(--border-thick);
  overflow: hidden;
  width: fit-content;
  box-shadow: var(--shadow);
}
.gtab {
  padding: 12px 24px;
  font-family: var(--font-display);
  font-size: 0.85rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  background: var(--white);
  color: var(--black);
  border: none;
  border-right: var(--border-thick);
  cursor: pointer;
  transition: all 0.15s;
}
.gtab:last-child { border-right: none; }
.gtab:hover { background: var(--yellow); }
.gtab.active {
  background: var(--black);
  color: var(--yellow);
}

/* Masonry-style grid */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-auto-rows: 200px;
  gap: 0;
  border-left: var(--border-thick);
  border-top: var(--border-thick);
}
.g-item {
  border-right: var(--border-thick);
  border-bottom: var(--border-thick);
  position: relative;
  overflow: hidden;
  cursor: pointer;
  transition: all 0.2s;
}
.g-item.tall { grid-row: span 2; }
.g-item.wide { grid-column: span 2; }
.g-item:hover { z-index: 2; }
.g-item:hover .g-bg { transform: scale(1.06); }
.g-item:hover .g-overlay { opacity: 1; }
.g-item:hover .g-info { transform: translateY(0); opacity: 1; }

.g-bg {
  position: absolute; inset: 0;
  display: flex; align-items: center; justify-content: center;
  font-size: 4rem;
  transition: transform 0.4s ease;
}
.g-item.tall .g-bg { font-size: 5rem; }
.g-item.wide .g-bg { font-size: 5.5rem; }

.g-overlay {
  position: absolute; inset: 0;
  background: rgba(17,17,17,0.55);
  opacity: 0;
  transition: opacity 0.3s;
  border: 4px solid var(--yellow);
}

.g-info {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  padding: 1.2rem;
  transform: translateY(10px);
  opacity: 0;
  transition: all 0.3s;
  z-index: 2;
}
.g-cat {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 0.62rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  background: var(--yellow);
  color: var(--black);
  padding: 2px 10px;
  margin-bottom: 6px;
}
.g-title {
  font-family: var(--font-display);
  font-size: 1rem;
  letter-spacing: 0.5px;
  color: var(--white);
  display: block;
  text-shadow: 1px 1px 4px rgba(0,0,0,0.8);
}

/* Hidden state for filter */
.g-item.hidden {
  display: none;
}

/* ==============================================
   FOOTER
   ============================================== */
.footer {
  padding: 2rem 0;
  border-top: var(--border-thick);
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--black);
  color: var(--white);
}
.footer-logo {
  font-family: var(--font-display);
  font-size: 1.3rem;
  letter-spacing: 2px;
  color: var(--yellow);
}
.footer-logo span { color: var(--red); }
.footer-copy {
  font-family: var(--font-display);
  font-size: 0.65rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  opacity: 0.5;
}
.footer-links { display: flex; gap: 1rem; }
.footer-links a {
  font-family: var(--font-display);
  font-size: 0.75rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: rgba(255,255,255,0.5);
  transition: color 0.15s;
  padding: 4px 10px;
  border: 1px solid transparent;
}
.footer-links a:hover { color: var(--yellow); border-color: var(--yellow); }

/* ==============================================
   ANIMATIONS
   ============================================== */
@keyframes popIn {
  from { opacity: 0; transform: translateY(16px) scale(0.97); }
  to   { opacity: 1; transform: translateY(0) scale(1); }
}

/* ==============================================
   RESPONSIVE
   ============================================== */
@media (max-width: 960px) {
  .navbar { padding: 0 1.2rem; }
  .container { padding: 0 1.2rem; }
  .nav-links {
    display: none;
    flex-direction: column;
    position: absolute; top: 64px; left: 0; right: 0;
    background: var(--yellow);
    border-bottom: var(--border-thick);
    padding: 1rem;
    gap: 0.3rem;
  }
  .nav-links.open { display: flex; }
  .nav-hamburger { display: flex; }
  .hero { grid-template-columns: 1fr; }
  .hero-visual { aspect-ratio: 3/2; border-right: none; border-bottom: var(--border-thick); }
  .hero-content { padding: 3rem 1.5rem; }
  .hero-content::before { display: none; }
  /* section-nav: 响应式折叠为 2 列 */
  .section-nav { grid-template-columns: repeat(3, 1fr); }
  .sn-item:nth-child(3) { border-right: none; }
  .sn-item:nth-child(3),
  .sn-item:nth-child(4),
  .sn-item:nth-child(5) { border-top: var(--border-thick); }
  .about-hero { grid-template-columns: 1fr; }
  .about-photo-wrap { aspect-ratio: 4/3; border-right: none; border-bottom: var(--border-thick); }
  .tl-grid { grid-template-columns: 1fr; }
  .tl-col:first-child { border-right: none; border-bottom: var(--border-thick); }
  .blog-featured { grid-template-columns: 1fr; }
  .bf-visual { aspect-ratio: 2/1; border-right: none; border-bottom: var(--border-thick); }
  .blog-grid { grid-template-columns: 1fr; }
  .video-grid { grid-template-columns: 1fr 1fr; }
  .project-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .contact-left { border-right: none; border-bottom: var(--border-thick); }
  .footer { flex-direction: column; gap: 1rem; text-align: center; background: var(--black); }
  .pop-page-title { font-size: clamp(3.5rem, 10vw, 7rem); }
}

/* ================================================
   VIBE CODING 子页面 v2
   ================================================ */
.vibe-page {
  min-height: 100vh;
  background: var(--offwhite);
}

/* ── Hero Banner ── */
.vibe-hero {
  background: var(--black);
  padding: 6rem 0 3rem;
  border-bottom: 3px solid var(--yellow);
}
.vibe-hero .vibe-back-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-family: var(--font-display);
  font-size: 0.75rem;
  letter-spacing: 3px;
  background: transparent;
  color: rgba(255,255,255,0.5);
  border: none;
  padding: 0;
  cursor: pointer;
  margin-bottom: 3rem;
  transition: color 0.15s;
}
.vibe-hero .vibe-back-btn:hover { color: var(--yellow); }
.vibe-hero-label {
  font-family: var(--font-display);
  font-size: 0.7rem;
  letter-spacing: 4px;
  color: rgba(255,255,255,0.4);
  margin-bottom: 1.5rem;
}
.vibe-hero-title {
  font-family: var(--font-display);
  font-size: clamp(2.8rem, 7vw, 7rem);
  line-height: 1;
  color: var(--white);
  letter-spacing: 0em;
  word-spacing: 0.06em;
  margin-bottom: 1.5rem;
  white-space: nowrap;
}
.vibe-hero-accent {
  color: var(--yellow);
  font-style: italic;
  margin: 0 0.03em;
}
.vibe-hero-sub {
  font-family: var(--font-zh);
  font-size: 1rem;
  color: rgba(255,255,255,0.55);
  line-height: 1.6;
  max-width: 500px;
  margin-bottom: 3rem;
}
.vibe-hero-stats {
  display: flex;
  align-items: center;
  gap: 2rem;
  padding-top: 2.5rem;
  border-top: 1px solid rgba(255,255,255,0.12);
}
.vibe-stat { display: flex; flex-direction: column; gap: 0.2rem; }
.vibe-stat-num {
  font-family: var(--font-display);
  font-size: 2rem;
  color: var(--yellow);
  line-height: 1;
}
.vibe-stat-label {
  font-family: var(--font-display);
  font-size: 0.65rem;
  letter-spacing: 3px;
  color: rgba(255,255,255,0.35);
}
.vibe-stat-sep {
  width: 1px;
  height: 40px;
  background: rgba(255,255,255,0.15);
}

/* ── 作品列表 ── */
.vibe-works-list {
  padding: 3rem 0 5rem;
}

/* 每一行作品 */
.vwi {
  display: grid;
  grid-template-columns: 100px 1fr;
  gap: 0;
  border: var(--border-thick);
  margin-bottom: -2px; /* 合并边框 */
  background: var(--white);
  transition: transform 0.15s, box-shadow 0.15s;
  position: relative;
}
/* 已上线卡片悬停效果（01 和 02 统一） */
.vwi:not(.placeholder):hover {
  transform: translate(-3px, -3px);
  box-shadow: 6px 6px 0 var(--black);
  z-index: 2;
}
/* 移除 featured 黑底，只保留间距 */
.vwi.featured {
  background: var(--white);
  margin-bottom: 0;
  z-index: 1;
}
/* 黑金 dark 卡片（02 大模型演进史） */
.vwi.dark {
  background: var(--black);
  box-shadow: 6px 6px 0 var(--yellow);
  margin-bottom: 2px;
}
.vwi.dark:not(.placeholder):hover {
  transform: translate(-3px, -3px);
  box-shadow: 9px 9px 0 var(--yellow);
}
.vwi.dark .vwi-left {
  border-right-color: rgba(255,255,255,0.15);
}
.vwi.dark .vwi-num { color: rgba(255,255,255,0.3); }
.vwi.dark .vwi-title { color: var(--yellow); }
.vwi.dark .vwi-desc { color: rgba(255,255,255,0.65); }
.vwi.dark .vwi-footer { border-top-color: rgba(255,255,255,0.1); }
.vwi.dark .tag {
  border-color: rgba(255,255,255,0.25);
  color: rgba(255,255,255,0.7);
  background: transparent;
}
.vwi.dark .vwi-btn {
  background: var(--yellow);
  color: var(--black);
  border-color: var(--yellow);
}
.vwi.dark .vwi-btn:hover {
  background: transparent;
  color: var(--yellow);
}
.vwi.dark .vwi-icon svg circle,
.vwi.dark .vwi-icon svg line {
  stroke: rgba(255,255,255,0.6);
}

.vwi.placeholder {
  background: var(--offwhite);
  opacity: 0.55;
  margin-top: -2px;            /* 紧贴上方卡片 */
  margin-left: 0;
  grid-template-columns: 100px 1fr;
  border-style: dashed;
  border-color: rgba(17,17,17,0.18);
}
.vwi.placeholder + .vwi.placeholder {
  margin-top: 4px;
}
/* placeholder 左侧缩小 */
.vwi.placeholder .vwi-left {
  padding: 1.2rem 0.6rem;
}
.vwi.placeholder .vwi-num {
  font-size: 0.55rem;
  color: rgba(17,17,17,0.2);
}
/* placeholder 右侧缩小 */
.vwi.placeholder .vwi-body {
  padding: 1.2rem 1.5rem;
  min-height: unset;
  gap: 0.5rem;
}
.vwi.placeholder .vwi-title {
  font-size: 1.1rem;
  color: rgba(17,17,17,0.28);
}
.vwi.placeholder .vwi-desc {
  font-size: 0.8rem;
  color: rgba(17,17,17,0.25);
}
.vwi.placeholder .vwi-footer {
  padding-top: 0.6rem;
  border-top-color: rgba(17,17,17,0.06);
}

/* 已上线普通卡片（02 等）加 live class 高亮左侧 */
.vwi.live .vwi-left {
  border-right-color: var(--black);
}
.vwi.live .vwi-num {
  color: rgba(17,17,17,0.5);
}

/* 左侧序号列 */
.vwi-left {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
  padding: 2rem 1rem;
  border-right: var(--border-thick);
  gap: 1.5rem;
}

.vwi-num {
  font-family: var(--font-display);
  font-size: 0.65rem;
  letter-spacing: 3px;
  color: rgba(17,17,17,0.3);
}


/* 右侧主体 */
.vwi-body {
  padding: 2rem 2.5rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  min-height: 200px;
}
.vwi-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}
.vwi-title {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3vw, 2.8rem);
  line-height: 1.1;
  color: var(--black);
  margin: 0;
}

.vwi-title.dim { color: rgba(17,17,17,0.3); }
.vwi-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  align-self: center;
}

.vwi-desc {
  font-family: var(--font-zh);
  font-size: 0.9rem;
  line-height: 1.75;
  color: rgba(17,17,17,0.6);
  flex: 1;
  max-width: 560px;
}

.vwi-desc.dim { color: rgba(17,17,17,0.3); }
.vwi-footer {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  padding-top: 1rem;
  border-top: 1px solid rgba(17,17,17,0.08);
  margin-top: auto;
}


/* CTA Button */
.vwi-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-display);
  font-size: 0.8rem;
  letter-spacing: 2px;
  padding: 10px 24px;
  background: var(--yellow);
  color: var(--black);
  border: 2px solid var(--yellow);
  cursor: pointer;
  transition: background 0.15s, color 0.15s, transform 0.12s;
}
.vwi-btn:hover:not(:disabled) {
  background: transparent;
  color: var(--yellow);
  transform: translate(-2px, -2px);
}
.vwi-btn.ghost {
  background: transparent;
  color: rgba(17,17,17,0.25);
  border: 2px dashed rgba(17,17,17,0.2);
  cursor: not-allowed;
}

/* Badge */
.vwi-badge {
  font-family: var(--font-display);
  font-size: 0.6rem;
  letter-spacing: 3px;
}
.vwi-badge.live { color: #22c55e; }
.vwi-badge.soon { color: rgba(17,17,17,0.3); }

/* icon dim */
.vwi-icon.dim svg * { stroke: rgba(17,17,17,0.15) !important; fill: none !important; }

/* 响应式 */
@media (max-width: 767px) {
  .vibe-hero-title { letter-spacing: -0.5px; font-size: clamp(1.8rem, 8vw, 3.5rem); white-space: normal; }
  .vwi { grid-template-columns: 60px 1fr; }
  .vwi-body { padding: 1.5rem 1.2rem; }
  .vwi-title { font-size: 1.6rem; }
  .vwi-left { padding: 1.5rem 0.5rem; }
}