/* ============================================================
   LARKIN LI 李佳骏 — Personal Site
   Style system inherited from MANIFOLD (Black / White / Futurist)
   ============================================================ */

:root {
  --bg: #050505;
  --bg-soft: #0b0b0b;
  --ink: #f2f2f2;
  --ink-dim: #9a9a9a;
  --ink-faint: #4a4a4a;
  --line: rgba(255, 255, 255, 0.14);
  --line-strong: rgba(255, 255, 255, 0.35);
  --mono: "SF Mono", "JetBrains Mono", "IBM Plex Mono", Menlo, Consolas, monospace;
  --sans: "Helvetica Neue", "Roboto", "PingFang SC", "MiSans", "HarmonyOS Sans SC", "Noto Sans SC", "Microsoft YaHei", sans-serif;
  --serif: "Songti SC", "Noto Serif SC", "SimSun", serif;
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  overflow-x: hidden;
  cursor: none;
  -webkit-font-smoothing: antialiased;
}

::selection { background: var(--ink); color: var(--bg); }

a { color: inherit; text-decoration: none; }

/* ---------- noise overlay ---------- */
body::after {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 9990;
  opacity: 0.05;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='120' height='120' filter='url(%23n)' opacity='1'/%3E%3C/svg%3E");
}

/* ---------- custom cursor ---------- */
.cursor-dot, .cursor-ring {
  position: fixed;
  top: 0; left: 0;
  pointer-events: none;
  z-index: 9999;
  border-radius: 50%;
  transform: translate(-50%, -50%);
}
.cursor-dot { width: 6px; height: 6px; background: var(--ink); }
.cursor-ring {
  width: 34px; height: 34px;
  border: 1px solid var(--line-strong);
  transition: width .25s ease, height .25s ease, border-color .25s ease, opacity .25s;
}
.cursor-ring.is-hover { width: 56px; height: 56px; border-color: var(--ink); }
.cursor-label {
  position: fixed;
  z-index: 9999;
  pointer-events: none;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: .15em;
  color: var(--bg);
  background: var(--ink);
  padding: 3px 8px;
  transform: translate(14px, 14px);
  opacity: 0;
  transition: opacity .2s;
  white-space: nowrap;
}
.cursor-label.show { opacity: 1; }
@media (hover: none) {
  body { cursor: auto; }
  .cursor-dot, .cursor-ring, .cursor-label { display: none; }
}

/* ---------- background canvas ---------- */
#manifold-canvas {
  position: fixed;
  inset: 0;
  z-index: 0;
  opacity: 0.9;
}

/* ---------- nav ---------- */
nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 22px 4vw;
  mix-blend-mode: difference;
}
.nav-logo {
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: .35em;
  display: flex;
  align-items: center;
  gap: 12px;
}
.nav-logo .dot { width: 8px; height: 8px; border: 1px solid var(--ink); border-radius: 50%; }
.nav-links { display: flex; gap: 26px; font-family: var(--mono); font-size: 11px; letter-spacing: .2em; }
.nav-links a { position: relative; padding: 4px 0; color: var(--ink-dim); transition: color .3s; }
.nav-links a:hover { color: var(--ink); }
.nav-links a::before { content: "/"; position: absolute; left: -12px; opacity: 0; transition: opacity .3s; }
.nav-links a:hover::before { opacity: 1; }
@media (max-width: 760px) { .nav-links { display: none; } }

/* ---------- hero ---------- */
main { position: relative; z-index: 2; }

.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 0 4vw;
  position: relative;
}
.hero-meta {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .3em;
  color: var(--ink-dim);
  display: flex;
  gap: 40px;
  margin-bottom: 3vh;
  flex-wrap: wrap;
}
.hero-title {
  font-size: clamp(64px, 13vw, 200px);
  line-height: .92;
  font-weight: 700;
  letter-spacing: -.02em;
  text-transform: uppercase;
}
.hero-title .stroke {
  color: transparent;
  -webkit-text-stroke: 1.5px var(--ink);
}
.hero-title .stroke, .sec-title .stroke, .foot-title .stroke, .p-glyph {
  font-synthesis: none;
  font-synthesis-weight: none;
}
@media (hover: none) {
  .hero-title .stroke, .sec-title .stroke, .foot-title .stroke, .p-glyph { font-weight: 400; }
  .hero-title .stroke { -webkit-text-stroke-width: 2px; }
  .sec-title .stroke, .foot-title .stroke { -webkit-text-stroke-width: 1.5px; }
}
.hero-title-row { display: flex; align-items: baseline; gap: 3vw; flex-wrap: wrap; }
.hero-cn {
  font-family: var(--serif);
  font-size: clamp(28px, 4vw, 64px);
  letter-spacing: .5em;
  color: var(--ink-dim);
  font-weight: 400;
}
.hero-sub {
  margin-top: 5vh;
  max-width: 640px;
  font-size: clamp(15px, 1.4vw, 19px);
  line-height: 1.9;
  color: var(--ink-dim);
}
.hero-sub strong { color: var(--ink); font-weight: 600; }
.hero-coord {
  position: absolute;
  bottom: 34px;
  left: 4vw;
  right: 4vw;
  display: flex;
  justify-content: space-between;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: .25em;
  color: var(--ink-faint);
}
.hero-scroll {
  position: absolute;
  bottom: 90px;
  right: 4vw;
  writing-mode: vertical-rl;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: .4em;
  color: var(--ink-dim);
  animation: floatY 2.4s ease-in-out infinite;
}
@keyframes floatY { 0%,100% { transform: translateY(0); } 50% { transform: translateY(10px); } }

/* ---------- marquee ---------- */
.marquee {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  overflow: hidden;
  padding: 16px 0;
  background: rgba(5,5,5,.6);
  backdrop-filter: blur(4px);
}
.marquee-track {
  display: flex;
  width: max-content;
  animation: marquee 28s linear infinite;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .3em;
  color: var(--ink-dim);
  white-space: nowrap;
}
@keyframes marquee { from { transform: translateX(0); } to { transform: translateX(-50%); } }
.marquee-track span { padding: 0 34px; }
.marquee-track b { color: var(--ink); font-weight: 400; }

/* ---------- section shell ---------- */
section { position: relative; padding: 14vh 4vw; }
.sec-head { display: flex; align-items: flex-end; justify-content: space-between; margin-bottom: 8vh; gap: 20px; flex-wrap: wrap; }
.sec-index { font-family: var(--mono); font-size: 12px; letter-spacing: .3em; color: var(--ink-dim); }
.sec-title { font-size: clamp(38px, 6vw, 92px); font-weight: 700; letter-spacing: -.02em; line-height: 1.05; text-transform: uppercase; }
.sec-title .stroke { color: transparent; -webkit-text-stroke: 1px var(--ink); }
.sec-note { font-family: var(--mono); font-size: 11px; letter-spacing: .2em; color: var(--ink-faint); text-align: right; max-width: 300px; line-height: 2; }

/* ============================================================
   TIMELINE — 职业时间线（故事化）
   ============================================================ */
.tl-list { border-top: 1px solid var(--line); }

.tl-item {
  position: relative;
  display: grid;
  grid-template-columns: minmax(240px, 320px) 1fr;
  gap: 4vw;
  padding: 56px 0;
  border-bottom: 1px solid var(--line);
}
.tl-side { position: relative; }
.tl-date { font-family: var(--mono); font-size: 12px; letter-spacing: .25em; color: var(--ink-dim); }
.tl-org { font-size: clamp(24px, 2.4vw, 38px); font-weight: 700; margin: 16px 0 6px; line-height: 1.15; }
.tl-role { font-family: var(--mono); font-size: 11px; letter-spacing: .2em; color: var(--ink-dim); line-height: 2; text-transform: uppercase; }
.tl-loc {
  display: inline-block;
  margin-top: 22px;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: .3em;
  border: 1px solid var(--line-strong);
  padding: 6px 14px;
  color: var(--ink-dim);
}

.tl-story p { font-size: 14px; line-height: 1.95; color: var(--ink-dim); margin-bottom: 16px; }
.tl-story p strong, .tl-story li strong { color: var(--ink); font-weight: 600; }
.tl-label {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: .3em;
  color: var(--ink-faint);
  margin-right: 10px;
}
.tl-acts { list-style: none; margin: 4px 0 20px; }
.tl-acts li { font-size: 14px; line-height: 1.95; color: var(--ink-dim); padding-left: 20px; position: relative; margin-bottom: 10px; }
.tl-acts li::before { content: "—"; position: absolute; left: 0; color: var(--ink-faint); }

.tl-impact { display: flex; gap: 0; border: 1px solid var(--line); margin-top: 10px; flex-wrap: wrap; }
.tl-impact .imp { padding: 20px 26px; border-right: 1px solid var(--line); flex: 1; min-width: 140px; }
.tl-impact .imp:last-child { border-right: none; }
.imp-num { font-size: clamp(22px, 2.2vw, 34px); font-weight: 700; letter-spacing: -.01em; }
.imp-cap { font-family: var(--mono); font-size: 10px; letter-spacing: .18em; color: var(--ink-dim); margin-top: 8px; line-height: 1.7; }

@media (max-width: 900px) {
  .tl-item { grid-template-columns: 1fr; gap: 26px; padding: 48px 0; }
  .tl-impact .imp { border-bottom: 1px solid var(--line); }
  .tl-impact .imp:last-child { border-bottom: none; }
}

/* ---------- education ---------- */
.edu-grid { display: grid; grid-template-columns: repeat(3, 1fr); border: 1px solid var(--line); }
.edu-cell { padding: 36px 30px 44px; border-right: 1px solid var(--line); transition: background .4s; }
.edu-cell:last-child { border-right: none; }
.edu-cell:hover { background: rgba(255,255,255,.04); }
.edu-date { font-family: var(--mono); font-size: 11px; letter-spacing: .3em; color: var(--ink-faint); }
.edu-school { font-size: 20px; font-weight: 700; margin: 14px 0 2px; line-height: 1.3; }
.edu-en { font-family: var(--mono); font-size: 10px; letter-spacing: .17em; color: var(--ink-dim); margin-bottom: 6px; }
.edu-detail { font-size: 13px; line-height: 1.9; color: var(--ink-dim); }
@media (max-width: 900px) { .edu-grid { grid-template-columns: 1fr; } .edu-cell { border-right: none; border-bottom: 1px solid var(--line); } .edu-cell:last-child { border-bottom: none; } }

/* ============================================================
   PROJECTS — 深度展示
   ============================================================ */
.proj { border: 1px solid var(--line); margin-bottom: 48px; position: relative; overflow: hidden; }
.proj:last-child { margin-bottom: 0; }
.proj-head {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: end;
  gap: 30px;
  padding: 34px 40px 26px;
  border-bottom: 1px solid var(--line);
  position: relative;
}
.proj-index { font-family: var(--mono); font-size: 11px; letter-spacing: .3em; color: var(--ink-faint); display: flex; gap: 26px; flex-wrap: wrap; }
.proj-name { font-size: clamp(26px, 3vw, 44px); font-weight: 700; margin: 14px 0 4px; letter-spacing: .01em; line-height: 1.1; }
.proj-en { font-family: var(--mono); font-size: 11px; letter-spacing: .3em; color: var(--ink-dim); text-transform: uppercase; }
.proj-glyph {
  font-size: clamp(72px, 8vw, 130px);
  font-weight: 700;
  color: transparent;
  -webkit-text-stroke: 1px rgba(255,255,255,.16);
  line-height: .9;
  pointer-events: none;
}
.proj-body { display: grid; grid-template-columns: 1fr 1fr; }
.proj-cell { padding: 28px 40px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.proj-cell:nth-child(2n) { border-right: none; }
.proj-cell:nth-last-child(-n+2) { border-bottom: none; }
.proj-cell h3 { font-family: var(--mono); font-size: 11px; letter-spacing: .3em; color: var(--ink-faint); margin-bottom: 16px; font-weight: 400; }
.proj-cell p, .proj-cell li { font-size: 14px; line-height: 1.9; color: var(--ink-dim); }
.proj-cell p strong, .proj-cell li strong { color: var(--ink); font-weight: 600; }
.proj-cell ul { list-style: none; }
.proj-cell li { padding-left: 18px; position: relative; margin-bottom: 6px; }
.proj-cell li::before { content: "—"; position: absolute; left: 0; color: var(--ink-faint); }

/* ---------- pipeline flow（方案架构 · 横排） ---------- */
.flow {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: 32px 40px;
  display: flex;
  align-items: stretch;
  gap: 10px;
  flex-wrap: wrap;
}
.flow-endpoint { display: flex; align-items: center; gap: 12px; font-size: 13px; font-weight: 700; flex: none; max-width: 220px; }
.flow-endpoint .flow-tag {
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: .25em;
  font-weight: 400;
  color: var(--ink-faint);
  border: 1px solid var(--line);
  padding: 4px 10px;
  white-space: nowrap;
  flex: none;
}
.flow-conn { flex: none; align-self: center; }
.flow-conn::after { content: "→"; font-family: var(--mono); color: var(--ink-faint); }
.flow-step {
  flex: 1 1 150px;
  min-width: 150px;
  border: 1px solid var(--line);
  padding: 16px 18px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  transition: background .4s;
}
.flow-step:hover { background: rgba(255,255,255,.04); }
.flow-num { font-family: var(--mono); font-size: 10px; letter-spacing: .3em; color: var(--ink-faint); }
.flow-name { font-size: 14px; font-weight: 700; line-height: 1.5; }
.flow-desc { font-size: 12px; line-height: 1.75; color: var(--ink-dim); }
@media (max-width: 760px) {
  .flow { flex-direction: column; padding: 28px 22px; }
  .flow-endpoint { max-width: none; }
  .flow-conn::after { content: "↓"; }
  .flow-conn { margin-left: 20px; }
}

.proj-impact { display: flex; flex-wrap: wrap; }
.proj-impact .imp { padding: 20px 30px; border-right: 1px solid var(--line); flex: 1; min-width: 150px; }
.proj-impact .imp:last-child { border-right: none; }
.proj-role {
  border-top: 1px solid var(--line);
  padding: 18px 40px;
  font-size: 13px;
  line-height: 1.9;
  color: var(--ink-dim);
}
.proj-role b { color: var(--ink); font-weight: 600; font-family: var(--mono); font-size: 11px; letter-spacing: .25em; margin-right: 14px; }

@media (max-width: 900px) {
  .proj-head { grid-template-columns: 1fr; }
  .proj-glyph { display: none; }
  .proj-body { grid-template-columns: 1fr; }
  .proj-cell { border-right: none !important; border-bottom: 1px solid var(--line) !important; }
  .proj-cell:nth-last-child(-n+2) { border-bottom: 1px solid var(--line) !important; }
  .proj-cell:last-child { border-bottom: none !important; }
}

/* ============================================================
   HACKATHON — 卡片网格（沿用 product 样式）
   ============================================================ */
.products { display: grid; grid-template-columns: repeat(2, 1fr); border: 1px solid var(--line); }
.product {
  position: relative;
  border-bottom: 1px solid var(--line);
  padding: 44px 40px 40px;
  min-height: 300px;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  transition: background .45s;
}
.product:nth-child(odd) { border-right: 1px solid var(--line); }
.product:nth-last-child(-n+2) { border-bottom: none; }
.product:hover { background: rgba(255,255,255,.05); }
.p-index {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .3em;
  color: var(--ink-faint);
  display: flex;
  justify-content: space-between;
  gap: 12px;
}
.p-award { color: var(--ink); text-align: right; }
.p-glyph {
  position: absolute;
  right: -10px;
  bottom: -40px;
  font-size: clamp(120px, 14vw, 220px);
  font-weight: 700;
  color: transparent;
  -webkit-text-stroke: 1px rgba(255,255,255,.12);
  line-height: 1;
  pointer-events: none;
  transition: -webkit-text-stroke .5s, transform .6s cubic-bezier(.2,.8,.2,1);
}
.product:hover .p-glyph { -webkit-text-stroke: 1px rgba(255,255,255,.4); transform: translateY(-12px); }
.p-name { font-size: clamp(26px, 3vw, 44px); font-weight: 700; margin: 26px 0 4px; letter-spacing: .02em; }
.p-en { font-family: var(--mono); font-size: 11px; letter-spacing: .3em; color: var(--ink-dim); text-transform: uppercase; }
.p-desc { margin-top: 22px; font-size: 14px; line-height: 1.9; color: var(--ink-dim); max-width: 460px; flex: 1; }
.p-foot { margin-top: 30px; display: flex; justify-content: space-between; align-items: center; font-family: var(--mono); font-size: 11px; letter-spacing: .2em; }
.p-arrow { display: inline-flex; align-items: center; gap: 10px; color: var(--ink); }
.p-arrow .bar { width: 42px; height: 1px; background: var(--ink); transition: width .35s; }
.product:hover .p-arrow .bar { width: 70px; }
.p-tags { color: var(--ink-faint); font-size: 10px; }
@media (max-width: 900px) {
  .products { grid-template-columns: 1fr; }
  .product:nth-child(odd) { border-right: none; }
  .product:nth-last-child(-n+2) { border-bottom: 1px solid var(--line); }
  .product:last-child { border-bottom: none; }
}

/* ============================================================
   SKILLS
   ============================================================ */
.skill-grid { display: grid; grid-template-columns: repeat(4, 1fr); border: 1px solid var(--line); }
.skill-cell { padding: 32px 26px 40px; border-right: 1px solid var(--line); min-height: 180px; display: flex; flex-direction: column; gap: 12px; transition: background .4s; }
.skill-cell:last-child { border-right: none; }
.skill-cell:hover { background: rgba(255,255,255,.05); }
.skill-cat { font-family: var(--mono); font-size: 10px; letter-spacing: .3em; color: var(--ink-faint); }
.skill-name { font-size: 17px; font-weight: 700; line-height: 1.4; }
.skill-desc { font-size: 12.5px; line-height: 1.9; color: var(--ink-dim); flex: 1; }
@media (max-width: 900px) { .skill-grid { grid-template-columns: 1fr 1fr; } .skill-cell:nth-child(2n) { border-right: none; } .skill-cell { border-bottom: 1px solid var(--line); } .skill-cell:nth-last-child(-n+2) { border-bottom: none; } }
@media (max-width: 560px) { .skill-grid { grid-template-columns: 1fr; } .skill-cell { border-right: none !important; border-bottom: 1px solid var(--line) !important; } .skill-cell:last-child { border-bottom: none !important; } }

.lang-row { display: flex; border: 1px solid var(--line); border-top: none; flex-wrap: wrap; }
.lang-item { padding: 18px 28px; border-right: 1px solid var(--line); font-family: var(--mono); font-size: 11px; letter-spacing: .2em; color: var(--ink-dim); }
.lang-item b { color: var(--ink); font-weight: 400; }
.lang-item:last-child { border-right: none; }

/* ============================================================
   CONTACT / FOOTER
   ============================================================ */
footer {
  border-top: 1px solid var(--line);
  padding: 10vh 4vw 5vh;
  position: relative;
  z-index: 2;
  background: var(--bg);
}
.foot-title {
  font-size: clamp(48px, 10vw, 160px);
  font-weight: 700;
  line-height: .95;
  text-transform: uppercase;
  letter-spacing: -.02em;
}
.foot-title .stroke { color: transparent; -webkit-text-stroke: 1px var(--ink); }
.foot-grid { display: flex; justify-content: space-between; margin-top: 8vh; gap: 30px; flex-wrap: wrap; font-family: var(--mono); font-size: 11px; letter-spacing: .2em; color: var(--ink-dim); line-height: 2.4; }
.foot-grid b { color: var(--ink); font-weight: 400; }
.foot-grid a { border-bottom: 1px solid var(--line-strong); transition: border-color .3s, color .3s; }
.foot-grid a:hover { color: var(--ink); border-color: var(--ink); }

/* ============================================================
   LIFE — 兴趣爱好（OFF DUTY）
   ============================================================ */
.like-wrap { border: 1px solid var(--line); }
.like-row { border-bottom: 1px solid var(--line); }
.like-row:last-child { border-bottom: none; }
.like-pad { padding: 36px 40px 44px; }
.like-head { display: flex; justify-content: space-between; align-items: baseline; gap: 18px; flex-wrap: wrap; margin-bottom: 20px; }
.like-head.padded { padding: 26px 40px 24px; margin-bottom: 0; }
.like-cat { font-family: var(--mono); font-size: 11px; letter-spacing: .3em; color: var(--ink); }
.like-meta { font-family: var(--mono); font-size: 10px; letter-spacing: .2em; color: var(--ink-faint); }
.wall { font-size: 13px; line-height: 2.2; color: var(--ink-dim); }
.wall b { color: var(--ink); font-weight: 400; }
.like-xref { margin-top: 18px; font-family: var(--mono); font-size: 10px; letter-spacing: .18em; color: var(--ink-faint); line-height: 1.8; }
.like-xref a { color: var(--ink); border-bottom: 1px solid var(--line-strong); transition: border-color .3s; }
.like-xref a:hover { border-color: var(--ink); }

/* 喝酒：左右两栏（鸡尾酒 | 葡萄酒+精酿 上下） */
.drink-grid { display: grid; grid-template-columns: 1.2fr 1fr; border-top: 1px solid var(--line); }
.drink-col { padding: 30px 36px 38px; border-right: 1px solid var(--line); transition: background .4s; }
.drink-col:last-child { border-right: none; }
.drink-col:hover, .drink-side:hover { background: rgba(255,255,255,.03); }
.drink-side { display: flex; flex-direction: column; }
.drink-sec { padding: 26px 34px 30px; }
.drink-sec + .drink-sec { border-top: 1px solid var(--line); }
.drink-sub { font-family: var(--mono); font-size: 10px; letter-spacing: .3em; color: var(--ink-faint); margin-bottom: 18px; }
.drink-note { font-size: 13px; line-height: 1.95; color: var(--ink-dim); margin-bottom: 12px; }
.drink-note em { font-style: normal; font-family: var(--mono); font-size: 10px; letter-spacing: .2em; color: var(--ink); margin-right: 10px; }
.bar-cols { display: grid; grid-template-columns: 1fr 1fr; gap: 0 30px; margin-top: 14px; }
.bar-col { list-style: none; }
.bar-col li { display: grid; grid-template-columns: 86px 1fr; gap: 12px; padding: 8px 0; border-bottom: 1px dashed rgba(255,255,255,.1); font-size: 12.5px; line-height: 1.75; color: var(--ink-dim); }
.bar-col li:last-child { border-bottom: none; }
.bar-col b { font-family: var(--mono); font-size: 10.5px; letter-spacing: .1em; color: var(--ink); font-weight: 400; padding-top: 2px; }
.wine-row { display: grid; grid-template-columns: 40px 1fr; gap: 12px; padding: 10px 0; border-bottom: 1px dashed rgba(255,255,255,.1); font-size: 12.5px; line-height: 1.9; color: var(--ink-dim); }
.wine-row:last-child { border-bottom: none; }
.wine-row b { font-family: var(--mono); font-size: 10.5px; letter-spacing: .1em; color: var(--ink); font-weight: 400; padding-top: 2px; }

/* 书影音网格 */
.like-duo, .like-trio { display: grid; }
.like-duo { grid-template-columns: 1fr 1fr; }
.like-trio { grid-template-columns: 1fr 1fr 1fr; }
.like-cell { padding: 32px 36px 40px; border-right: 1px solid var(--line); transition: background .4s; }
.like-cell:last-child { border-right: none; }
.like-cell:hover { background: rgba(255,255,255,.03); }

@media (max-width: 900px) {
  .drink-grid, .like-duo, .like-trio { grid-template-columns: 1fr; }
  .drink-col { border-right: none; border-bottom: 1px solid var(--line); padding: 26px 24px 32px; }
  .drink-side { border-right: none; }
  .drink-sec { padding: 24px; }
  .bar-cols { grid-template-columns: 1fr; }
  .like-cell { border-right: none; border-bottom: 1px solid var(--line); padding: 26px 24px 32px; }
  .like-cell:last-child { border-bottom: none; }
  .like-pad { padding: 28px 24px 34px; }
  .like-head.padded { padding: 22px 24px 20px; }
}

/* ============================================================
   FOOTPRINTS — 足迹
   ============================================================ */
.fp-stats { display: grid; grid-template-columns: repeat(4, 1fr); border: 1px solid var(--line); border-bottom: none; }
.fp-stat { padding: 30px 30px 36px; border-right: 1px solid var(--line); transition: background .4s; }
.fp-stat:last-child { border-right: none; }
.fp-stat:hover { background: rgba(255,255,255,.03); }
.fp-num { font-size: clamp(30px, 3.4vw, 54px); font-weight: 700; letter-spacing: -.01em; }
.fp-cap { font-family: var(--mono); font-size: 10px; letter-spacing: .18em; color: var(--ink-dim); margin-top: 10px; line-height: 1.8; }
.fp-grid { display: grid; grid-template-columns: repeat(3, 1fr); border: 1px solid var(--line); border-bottom: none; }
.fp-cell { padding: 28px 32px 34px; border-right: 1px solid var(--line); transition: background .4s; }
.fp-cell:last-child { border-right: none; }
.fp-cell:hover { background: rgba(255,255,255,.03); }
.fp-region { font-family: var(--mono); font-size: 10px; letter-spacing: .3em; color: var(--ink-faint); margin-bottom: 14px; }
.fp-list { font-size: 14px; line-height: 2.1; color: var(--ink); }
.fp-block { border: 1px solid var(--line); border-bottom: none; padding: 28px 32px 34px; }
.fp-block:last-child { border-bottom: 1px solid var(--line); }
.fp-block .wall { font-size: 13.5px; }
.fp-sub { margin-top: 14px; font-family: var(--mono); font-size: 10.5px; letter-spacing: .2em; color: var(--ink-faint); }
@media (max-width: 900px) {
  .fp-stats { grid-template-columns: 1fr 1fr; }
  .fp-stat { border-bottom: 1px solid var(--line); }
  .fp-stat:nth-child(2n) { border-right: none; }
  .fp-stat:nth-last-child(-n+2) { border-bottom: none; }
  .fp-grid { grid-template-columns: 1fr; }
  .fp-cell { border-right: none; border-bottom: 1px solid var(--line); }
  .fp-cell:last-child { border-bottom: none; }
  .fp-block { padding: 24px 24px 28px; }
}

/* ---------- reveal animations ---------- */
.reveal { opacity: 0; transform: translateY(40px); transition: opacity .9s cubic-bezier(.2,.8,.2,1), transform .9s cubic-bezier(.2,.8,.2,1); }
.reveal.in { opacity: 1; transform: none; }
