:root {
  --bg: #0e0d0b;
  --fg: #efece4;
  --muted: #8a8577;
  --line: rgba(239, 236, 228, 0.14);
  --accent: #d0553a;
  --max: 1160px;
  --serif: Georgia, "Times New Roman", "Songti SC", "SimSun", serif;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Microsoft YaHei", "Hiragino Sans GB", sans-serif;
  --mono: ui-monospace, "SF Mono", "Cascadia Mono", Consolas, "Menlo", monospace;
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--sans);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

em { font-style: italic; color: var(--accent); }

mark {
  background: rgba(208, 85, 58, 0.16);
  color: var(--accent);
  padding: 1px 6px;
  border-radius: 3px;
  font-size: 0.92em;
}

/* ---------- 入场 loader（仅在有 JS 时存在，无 JS 直接显示内容）---------- */
.loader { display: none; }
.js .loader {
  position: fixed;
  inset: 0;
  background: var(--bg);
  z-index: 2000;
  display: grid;
  place-items: center;
  transition: opacity 0.6s ease, visibility 0.6s;
}
.loader.done { opacity: 0; visibility: hidden; }
.loader-word {
  font-family: var(--serif);
  font-size: clamp(40px, 9vw, 88px);
  color: var(--fg);
}
.loader-word em { color: var(--accent); }

/* ---------- 自定义指针 ---------- */
.cursor {
  position: fixed;
  top: 0; left: 0;
  width: 12px; height: 12px;
  border-radius: 50%;
  background: var(--accent);
  pointer-events: none;
  z-index: 1500;
  transform: translate(-50%, -50%);
  transition: width 0.2s, height 0.2s, background 0.2s, opacity 0.3s;
  mix-blend-mode: difference;
  opacity: 0;
}
.cursor.active { width: 46px; height: 46px; background: var(--fg); }

/* ---------- 导航 ---------- */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 22px clamp(20px, 4vw, 48px);
  mix-blend-mode: difference;
}
.nav-brand {
  font-family: var(--serif);
  font-size: 22px;
  color: var(--fg);
  text-decoration: none;
  letter-spacing: 0.02em;
}
.nav-brand span { font-family: var(--mono); font-size: 11px; color: var(--muted); margin-left: 6px; }
.nav-links { list-style: none; display: flex; gap: 26px; }
.nav-links a {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--fg);
  text-decoration: none;
  opacity: 0.75;
  transition: opacity 0.2s;
}
.nav-links a i { color: var(--accent); font-style: normal; margin-right: 5px; }
.nav-links a:hover { opacity: 1; }

/* ---------- 布局 ---------- */
.page { max-width: var(--max); margin: 0 auto; padding: 0 clamp(20px, 4vw, 48px); }

/* ---------- Hero ---------- */
.hero { min-height: 100vh; display: flex; flex-direction: column; justify-content: center; padding: 120px 0 60px; }
.micro {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 34px;
}
.manifesto {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(52px, 12vw, 148px);
  line-height: 0.98;
  letter-spacing: -0.01em;
}
.manifesto .line { display: block; overflow: hidden; }
.manifesto .line-inner { display: block; }
.js .manifesto .line-inner { transform: translateY(110%); transition: transform 0.9s cubic-bezier(0.16, 1, 0.3, 1); }
.js .hero.in .manifesto .line-inner { transform: translateY(0); }
.js .hero.in .manifesto .line:nth-child(2) .line-inner { transition-delay: 0.1s; }

.hero-foot { margin-top: clamp(40px, 7vh, 88px); max-width: 640px; }
.ident { font-family: var(--serif); font-size: clamp(17px, 3vw, 22px); }
.ident .sep { color: var(--muted); }
.ident .arrow { color: var(--accent); padding: 0 3px; }
.pitch { color: var(--muted); font-size: 15px; margin-top: 18px; max-width: 48ch; }
.scroll-cue {
  display: inline-block;
  margin-top: 30px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--fg);
  text-decoration: none;
  border-bottom: 1px solid var(--line);
  padding-bottom: 4px;
  transition: color 0.2s, border-color 0.2s;
}
.scroll-cue:hover { color: var(--accent); border-color: var(--accent); }

/* ---------- 跑马灯 ---------- */
.marquee { border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); overflow: hidden; padding: 20px 0; }
.marquee-track { display: flex; gap: 22px; white-space: nowrap; width: max-content; animation: scroll-x 26s linear infinite; }
.marquee-track span { font-family: var(--serif); font-size: clamp(22px, 4vw, 40px); color: var(--fg); }
.marquee-track .dot { color: var(--accent); }
@keyframes scroll-x { from { transform: translateX(0); } to { transform: translateX(-50%); } }

/* ---------- Section ---------- */
.section { padding: clamp(70px, 12vh, 140px) 0; border-bottom: 1px solid var(--line); display: grid; grid-template-columns: 200px 1fr; gap: 40px; }
.sec-head { position: sticky; top: 90px; align-self: start; height: fit-content; }
.sec-no { font-family: var(--mono); font-size: 13px; color: var(--accent); display: block; }
.sec-name { font-family: var(--mono); font-size: 13px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--muted); }
.sec-body { max-width: 760px; }

.sec-body h2 { font-family: var(--serif); font-weight: 400; font-size: clamp(30px, 6vw, 56px); line-height: 1.08; margin-bottom: 34px; }
.lead p { color: #cbc7bc; font-size: clamp(16px, 2.2vw, 19px); }
.lead p + p { margin-top: 20px; }

/* 方向 */
.dir-list { list-style: none; border-top: 1px solid var(--line); }
.dir-list li { display: flex; flex-wrap: wrap; align-items: baseline; gap: 18px; padding: 24px 0; border-bottom: 1px solid var(--line); }
.dir-k { font-family: var(--serif); font-size: clamp(24px, 4vw, 34px); min-width: 180px; }
.dir-v { color: var(--muted); font-size: 15px; }
.dir-note, .dir-bg { color: #cbc7bc; font-size: 16px; margin-top: 30px; }
.dir-bg { color: var(--muted); font-size: 15px; }

/* 作品 */
.works-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.look {
  aspect-ratio: 3 / 4;
  border: 1px solid var(--line);
  border-radius: 8px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 18px;
  text-decoration: none;
  color: var(--fg);
  background: linear-gradient(160deg, rgba(255,255,255,0.02), rgba(255,255,255,0));
  transition: border-color 0.3s, transform 0.3s, background 0.3s;
}
.look:hover { border-color: var(--accent); transform: translateY(-4px); }
.look-no { font-family: var(--mono); font-size: 12px; letter-spacing: 0.1em; color: var(--muted); }
.look-tag { font-family: var(--serif); font-size: 20px; color: var(--fg); }
.look:hover .look-tag { color: var(--accent); }
.works-note { color: var(--muted); font-size: 15px; margin-top: 26px; }

/* 联系 */
.contact-cta { font-family: var(--serif); font-weight: 400; font-size: clamp(26px, 5vw, 46px); line-height: 1.2; margin-bottom: 44px; }
.contact-actions { display: flex; flex-wrap: wrap; gap: 16px; }
.btn {
  flex: 1 1 260px;
  display: flex; flex-direction: column; gap: 6px;
  align-items: flex-start;
  background: transparent;
  color: var(--fg);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 24px 26px;
  cursor: pointer;
  font-family: var(--sans);
  text-align: left;
  transition: border-color 0.25s, background 0.25s, transform 0.1s;
}
.btn:hover { border-color: var(--accent); background: rgba(208,85,58,0.06); }
.btn-label { font-family: var(--mono); font-size: 11px; letter-spacing: 0.16em; color: var(--muted); }
.btn-value { font-size: 19px; letter-spacing: 0.02em; }
.contact-note { min-height: 22px; margin-top: 20px; font-family: var(--mono); font-size: 13px; color: var(--accent); }

/* ---------- Footer ---------- */
.footer { padding: 60px clamp(20px, 4vw, 48px) 50px; max-width: var(--max); margin: 0 auto; }
.foot-nav { display: flex; gap: 28px; flex-wrap: wrap; padding-bottom: 30px; border-bottom: 1px solid var(--line); }
.foot-nav a { font-family: var(--mono); font-size: 12px; color: var(--fg); text-decoration: none; opacity: 0.7; transition: opacity 0.2s; }
.foot-nav a i { color: var(--accent); font-style: normal; margin-right: 5px; }
.foot-nav a:hover { opacity: 1; }
.foot-meta { display: flex; justify-content: space-between; margin-top: 22px; font-family: var(--mono); font-size: 12px; color: var(--muted); }

/* ---------- 滚动渐入 ---------- */
.js .reveal { opacity: 0; transform: translateY(24px); transition: opacity 0.8s ease, transform 0.8s cubic-bezier(0.16, 1, 0.3, 1); }
.js .reveal.in { opacity: 1; transform: none; }

/* ---------- 降级 / 无障碍 ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .js .reveal, .js .manifesto .line-inner { opacity: 1; transform: none; transition: none; }
  .marquee-track { animation: none; }
  .cursor { display: none; }
}

/* ---------- 响应式 ---------- */
@media (max-width: 820px) {
  .nav-links { display: none; }
  .section { grid-template-columns: 1fr; gap: 20px; }
  .sec-head { position: static; display: flex; gap: 12px; align-items: baseline; }
  .cursor { display: none; }
}
@media (max-width: 560px) {
  .hero { padding: 100px 0 50px; }
  .dir-k { min-width: 120px; }
  .works-grid { grid-template-columns: 1fr; }
  .look { aspect-ratio: 16 / 9; }
  .btn { flex: 1 1 100%; }
  .foot-meta { flex-direction: column; gap: 8px; }
}