/* =========================================================
   手绘风格图鉴 · 站点样式
   设计取向：暖纸底 + 墨线 + 朱红印章 + 楷体标题
   ========================================================= */

:root {
  --paper: #f4efe3;
  --paper-2: #ece4d3;
  --paper-3: #e3d9c4;
  --card: #fffdf6;
  --ink: #1e1b18;
  --ink-2: #4b453c;
  --ink-3: #857c6d;
  --line: rgba(30, 27, 24, 0.13);
  --line-strong: rgba(30, 27, 24, 0.3);
  --red: #b23a25;
  --red-soft: #d2604a;
  --blue: #3b5b7a;
  --green: #5d7350;
  --shadow: 4px 5px 0 rgba(30, 27, 24, 0.07);
  --shadow-lg: 8px 10px 0 rgba(30, 27, 24, 0.09);
  --serif: "Kaiti SC", "STKaiti", "KaiTi", "楷体", "Songti SC", "SimSun", serif;
  --sans: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", system-ui, -apple-system, sans-serif;
  --mono: ui-monospace, "SFMono-Regular", Menlo, Consolas, "Courier New", monospace;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; scroll-padding-top: 92px; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img { display: block; max-width: 100%; }
a { color: inherit; }
button { font: inherit; color: inherit; cursor: pointer; }
::selection { background: rgba(178, 58, 37, 0.2); }

/* 纸张颗粒 */
.grain {
  position: fixed;
  inset: 0;
  z-index: 9999;
  pointer-events: none;
  opacity: 0.055;
  mix-blend-mode: multiply;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='220' height='220'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.82' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='220' height='220' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* ============ 导航 ============ */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  gap: 28px;
  height: 70px;
  padding: 0 clamp(18px, 4vw, 56px);
  background: rgba(244, 239, 227, 0.9);
  backdrop-filter: blur(10px) saturate(1.1);
  border-bottom: 1px solid var(--line-strong);
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.6) inset;
  transition: box-shadow 0.3s ease;
}
.nav.scrolled { box-shadow: 0 6px 18px rgba(30, 27, 24, 0.08); }

.brand { display: flex; align-items: center; gap: 11px; text-decoration: none; flex-shrink: 0; }
.brand-seal {
  display: grid;
  place-items: center;
  width: 40px; height: 40px;
  border: 2px solid var(--red);
  border-radius: 6px 4px 7px 5px;
  color: var(--red);
  font-family: var(--serif);
  font-size: 17px;
  line-height: 1;
  letter-spacing: 1px;
  transform: rotate(-3deg);
  background: rgba(178, 58, 37, 0.05);
}
.brand-text { font-family: var(--serif); font-size: 21px; letter-spacing: 0.02em; line-height: 1.1; }
.brand-text small { display: block; font-family: var(--mono); font-size: 9.5px; letter-spacing: 0.16em; color: var(--ink-3); margin-top: 3px; text-transform: uppercase; }

.nav-links { display: flex; gap: clamp(8px, 2vw, 26px); margin-left: auto; font-size: 14.5px; }
.nav-links a {
  position: relative;
  text-decoration: none;
  padding: 6px 2px;
  color: var(--ink-2);
  transition: color 0.2s;
}
.nav-links a em { font-family: var(--mono); font-style: normal; font-size: 10.5px; color: var(--ink-3); vertical-align: super; margin-left: 1px; }
.nav-links a:hover, .nav-links a.active { color: var(--ink); }
.nav-links a.active::after {
  content: "";
  position: absolute;
  left: -2px; right: -2px; bottom: 0;
  height: 2px;
  background: var(--red);
  transform: rotate(-0.6deg);
}
.nav-repo {
  flex-shrink: 0;
  font-size: 13.5px;
  text-decoration: none;
  padding: 7px 14px;
  border: 1px solid var(--line-strong);
  border-radius: 10px 6px 11px 7px;
  color: var(--ink-2);
  transition: background 0.2s, color 0.2s, transform 0.2s;
}
.nav-repo:hover { background: var(--ink); color: var(--paper); transform: translateY(-1px); }

/* ============ HERO ============ */
.hero { position: relative; padding: clamp(48px, 7vw, 92px) clamp(18px, 4vw, 56px) 0; }
.hero-inner {
  display: grid;
  grid-template-columns: minmax(0, 1.06fr) minmax(0, 0.94fr);
  gap: clamp(24px, 5vw, 64px);
  align-items: center;
  max-width: 1208px;
  margin: 0 auto;
}

.eyebrow {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--red);
  margin: 0 0 18px;
  text-transform: uppercase;
}
.hero h1 {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(38px, 5.6vw, 72px);
  line-height: 1.2;
  letter-spacing: 0.015em;
  margin: 0;
}
.mark {
  position: relative;
  white-space: nowrap;
  background: linear-gradient(transparent 62%, rgba(178, 58, 37, 0.22) 62%, rgba(178, 58, 37, 0.22) 94%, transparent 94%);
  padding: 0 4px;
}
.scribe { width: min(420px, 90%); height: 24px; margin: 6px 0 22px; display: block; }

.lead { font-size: 16.5px; color: var(--ink-2); max-width: 33em; margin: 0 0 29px; }
.lead b { font-weight: 600; color: var(--ink); }

.hero-stats { display: flex; gap: clamp(18px, 3vw, 42px); margin-bottom: 32px; flex-wrap: wrap; }
.hero-stats div { display: flex; flex-direction: column; }
.hero-stats b { font-family: var(--serif); font-size: 40px; line-height: 1; font-weight: 400; }
.hero-stats b i { font-style: normal; font-family: var(--sans); font-size: 13px; color: var(--ink-3); }
.hero-stats span { font-family: var(--mono); font-size: 10.5px; letter-spacing: 0.1em; color: var(--ink-3); margin-top: 8px; }

.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; }

/* 按钮 */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 26px;
  font-size: 15px;
  font-weight: 500;
  text-decoration: none;
  border-radius: 12px 7px 13px 8px;
  border: 1px solid var(--ink);
  transition: transform 0.15s, box-shadow 0.15s, background 0.2s, color 0.2s;
  background: var(--card);
  color: var(--ink);
  box-shadow: 3px 4px 0 rgba(30, 27, 24, 0.12);
}
.btn:hover { transform: translate(-1px, -2px); box-shadow: 5px 7px 0 rgba(30, 27, 24, 0.16); }
.btn:active { transform: translate(1px, 1px); box-shadow: 1px 2px 0 rgba(30, 27, 24, 0.16); }
.btn-ink { background: var(--ink); color: var(--paper); border-color: var(--ink); }
.btn-ink:hover { background: #2b2723; }
.btn-ghost { background: transparent; border: 1.5px dashed var(--line-strong); box-shadow: none; }
.btn-ghost:hover { background: var(--card); border-style: solid; box-shadow: 3px 4px 0 rgba(30, 27, 24, 0.1); }

/* 主视觉卡片堆 */
.hero-art { position: relative; min-height: 400px; }
.card-stack { position: relative; width: 100%; height: clamp(330px, 34vw, 440px); }
.stack-card {
  position: absolute;
  margin: 0;
  width: clamp(150px, 18vw, 214px);
  background: var(--card);
  padding: 9px 9px 30px;
  border: 1px solid var(--line-strong);
  box-shadow: var(--shadow-lg);
  transition: transform 0.4s cubic-bezier(0.2, 0.8, 0.2, 1);
}
.stack-card img { aspect-ratio: 1 / 1; object-fit: cover; background: var(--paper-2); }
.stack-card figcaption {
  position: absolute;
  left: 10px; bottom: 7px;
  font-family: var(--mono);
  font-size: 10px;
  color: var(--ink-3);
  letter-spacing: 0.04em;
}
.stack-card::before {
  content: "";
  position: absolute;
  top: -13px; left: 50%;
  width: 56px; height: 24px;
  background: rgba(214, 198, 164, 0.82);
  border-left: 1px dashed rgba(30, 27, 24, 0.16);
  border-right: 1px dashed rgba(30, 27, 24, 0.16);
  transform: translateX(-50%) rotate(-4deg);
}
.card-stack .s1 { left: 0; top: 34px; transform: rotate(-8deg); }
.card-stack .s2 { left: 30%; top: 0; transform: rotate(2.5deg); z-index: 2; }
.card-stack .s3 { right: 0; top: 46px; transform: rotate(9deg); }
.card-stack:hover .s1 { transform: rotate(-11deg) translateY(-8px); }
.card-stack:hover .s2 { transform: rotate(4deg) translateY(-12px); }
.card-stack:hover .s3 { transform: rotate(12deg) translateY(-8px); }

.seal {
  position: absolute;
  right: 4px; bottom: 6px;
  width: 92px; height: 92px;
  border: 2.5px solid var(--red);
  border-radius: 50%;
  display: grid;
  grid-template-columns: 1fr 1fr;
  place-items: center;
  color: var(--red);
  font-family: var(--serif);
  font-size: 21px;
  line-height: 1;
  transform: rotate(-9deg);
  background: rgba(178, 58, 37, 0.06);
  box-shadow: 0 0 0 2px rgba(178, 58, 37, 0.12) inset;
  z-index: 3;
}
.seal::after {
  content: "";
  position: absolute;
  inset: 5px;
  border: 1px solid rgba(178, 58, 37, 0.5);
  border-radius: 50%;
}
.art-note {
  position: absolute;
  left: -8px; bottom: -30px;
  font-family: var(--serif);
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--ink-3);
  transform: rotate(-2deg);
}

/* 缩略图滚动条 */
.ticker {
  margin-top: clamp(48px, 6vw, 78px);
  border-top: 1px dashed var(--line-strong);
  border-bottom: 1px dashed var(--line-strong);
  overflow: hidden;
  background: rgba(255, 253, 246, 0.5);
}
.ticker-track {
  display: flex;
  gap: 14px;
  padding: 18px 0;
  width: max-content;
  animation: ticker 90s linear infinite;
}
.ticker:hover .ticker-track { animation-play-state: paused; }
.tick {
  width: 132px;
  flex-shrink: 0;
  text-align: center;
}
.tick img {
  width: 132px; height: 132px;
  object-fit: cover;
  border: 1px solid var(--line-strong);
  background: var(--paper-2);
  filter: saturate(0.96);
  transition: filter 0.3s, transform 0.3s;
}
.tick:hover img { filter: saturate(1.08); transform: translateY(-3px); }
.tick span { font-family: var(--mono); font-size: 10px; color: var(--ink-3); display: block; margin-top: 6px; }
@keyframes ticker {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

/* ============ 区块通用 ============ */
.section { padding: clamp(64px, 8vw, 112px) clamp(18px, 4vw, 56px); max-width: 1320px; margin: 0 auto; }
.section-tint {
  max-width: none;
  background:
    linear-gradient(180deg, rgba(228, 218, 199, 0.55), rgba(236, 228, 211, 0.2)),
    var(--paper);
  border-top: 1px solid rgba(30, 27, 24, 0.1);
  border-bottom: 1px solid rgba(30, 27, 24, 0.1);
}
.section-tint > * { max-width: 1208px; margin-left: auto; margin-right: auto; }

.sec-head { margin-bottom: 34px; }
.sec-no {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--red);
  margin: 0 0 12px;
}
.sec-title-wrap { display: flex; align-items: baseline; gap: 18px; flex-wrap: wrap; }
.sec-title-wrap h2 {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(30px, 3.8vw, 46px);
  line-height: 1.15;
  margin: 0;
  letter-spacing: 0.02em;
}
.sec-count { font-family: var(--mono); font-size: 12px; color: var(--ink-3); letter-spacing: 0.08em; }
.sec-count b { font-family: var(--serif); font-size: 22px; color: var(--ink); margin-right: 3px; }
.sec-desc { color: var(--ink-2); font-size: 15px; max-width: 46em; margin: 14px 0 0; }

/* 工具栏 */
.toolbar { display: flex; align-items: center; gap: 18px; flex-wrap: wrap; margin-bottom: 20px; }
.search {
  position: relative;
  display: flex;
  align-items: center;
  gap: 10px;
  flex: 1 1 420px;
  max-width: 620px;
  padding: 0 14px;
  background: var(--card);
  border: 1.5px solid var(--line-strong);
  border-radius: 12px 8px 13px 9px;
  box-shadow: 3px 4px 0 rgba(30, 27, 24, 0.06);
  transition: border-color 0.2s, box-shadow 0.2s;
}
.search:focus-within { border-color: var(--red); box-shadow: 3px 4px 0 rgba(178, 58, 37, 0.12); }
.search > span { color: var(--ink-3); font-size: 18px; }
.search input {
  flex: 1;
  border: 0;
  background: transparent;
  padding: 12px 0;
  font-size: 14.5px;
  font-family: var(--sans);
  color: var(--ink);
  outline: none;
  min-width: 0;
}
.search input::placeholder { color: var(--ink-3); }
.search input::-webkit-search-cancel-button { display: none; }
.search-clear {
  border: 0; background: none; color: var(--ink-3); font-size: 20px; line-height: 1; padding: 0 2px;
}
.result-note { font-family: var(--mono); font-size: 11.5px; color: var(--ink-3); margin: 0; letter-spacing: 0.04em; }

/* 分类 chips */
.chips { display: flex; gap: 9px; flex-wrap: wrap; margin-bottom: 30px; }
.chip {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 8px 16px;
  background: transparent;
  border: 1px solid var(--line-strong);
  border-radius: 20px 6px 20px 6px;
  font-size: 13.5px;
  color: var(--ink-2);
  transition: background 0.2s, color 0.2s, border-color 0.2s, transform 0.15s;
}
.chip i { font-family: var(--mono); font-size: 10.5px; font-style: normal; color: var(--ink-3); }
.chip:hover { background: var(--card); transform: translateY(-1px); }
.chip.on { background: var(--ink); color: var(--paper); border-color: var(--ink); }
.chip.on i { color: rgba(244, 239, 227, 0.66); }

/* 卡片网格 */
.grid { display: grid; gap: clamp(14px, 1.8vw, 22px); }
.style-grid { grid-template-columns: repeat(auto-fill, minmax(196px, 1fr)); }
.layout-grid { grid-template-columns: repeat(auto-fill, minmax(215px, 1fr)); }
.color-grid { grid-template-columns: repeat(6, minmax(0, 1fr)); }
@media (max-width: 900px) { .color-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); } }

.card {
  position: relative;
  display: block;
  width: 100%;
  text-align: left;
  padding: 9px;
  background: var(--card);
  border: 1px solid var(--line-strong);
  border-radius: 13px 6px 14px 7px;
  box-shadow: var(--shadow);
  transition: transform 0.25s cubic-bezier(0.2, 0.8, 0.2, 1), box-shadow 0.25s, border-color 0.2s;
  overflow: hidden;
}
.card:nth-child(4n+2) { border-radius: 7px 14px 6px 13px; }
.card:nth-child(4n+3) { border-radius: 12px 8px 12px 6px; }
.card:hover {
  transform: translateY(-5px) rotate(-0.35deg);
  box-shadow: 8px 10px 0 rgba(30, 27, 24, 0.1);
  border-color: rgba(30, 27, 24, 0.42);
  z-index: 2;
}
.card-media { display: block; position: relative; overflow: hidden; background: var(--paper-2); border: 1px solid var(--line); }
.card-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s cubic-bezier(0.2, 0.8, 0.2, 1), filter 0.3s;
}
.style-grid .card-media { aspect-ratio: 1 / 1; }
.layout-grid .card-media { aspect-ratio: 3 / 3.9; }
.color-grid .card-media { aspect-ratio: 224 / 387; }
.card:hover .card-media img { transform: scale(1.035); }
.card-body { display: block; padding: 10px 3px 3px; }
.card-id {
  font-family: var(--mono);
  font-size: 11.5px;
  font-weight: 600;
  letter-spacing: 0.03em;
  color: var(--ink);
  display: inline-block;
  border-bottom: 1.5px solid rgba(178, 58, 37, 0.55);
  padding-bottom: 1px;
}
.card-name {
  display: block;
  font-size: 13px;
  line-height: 1.45;
  color: var(--ink);
  margin-top: 7px;
  min-height: 2.9em;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.card-sub { font-size: 11px; color: var(--ink-3); margin-top: 5px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.card-hint {
  position: absolute;
  right: 10px; top: 10px;
  padding: 3px 9px;
  font-size: 10.5px;
  font-family: var(--mono);
  background: rgba(255, 253, 246, 0.92);
  border: 1px solid var(--line-strong);
  border-radius: 4px;
  color: var(--ink-2);
  opacity: 0;
  transform: translateY(-4px);
  transition: opacity 0.2s, transform 0.2s;
}
.card:hover .card-hint { opacity: 1; transform: translateY(0); }

.more-wrap { display: flex; justify-content: center; margin-top: 44px; }
.empty {
  grid-column: 1 / -1;
  padding: 60px 20px;
  text-align: center;
  color: var(--ink-3);
  font-family: var(--serif);
  font-size: 18px;
  border: 1px dashed var(--line-strong);
  border-radius: 12px;
}

/* ============ 组合器 ============ */
.builder { display: grid; grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr); gap: clamp(20px, 3vw, 40px); align-items: start; }
.builder-form {
  background: var(--card);
  border: 1px solid var(--line-strong);
  border-radius: 14px 8px 15px 9px;
  padding: clamp(20px, 3vw, 34px);
  box-shadow: var(--shadow);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}
.field { display: flex; flex-direction: column; gap: 7px; min-width: 0; }
.field-wide { grid-column: 1 / -1; }
.field label { font-family: var(--mono); font-size: 10.5px; letter-spacing: 0.12em; color: var(--ink-3); text-transform: uppercase; }
.field select, .field input {
  width: 100%;
  padding: 11px 12px;
  font-size: 14px;
  font-family: var(--sans);
  color: var(--ink);
  background: var(--paper);
  border: 1px solid var(--line-strong);
  border-radius: 9px 5px 10px 6px;
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
  appearance: none;
}
.field select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath d='M1 1l5 5 5-5' fill='none' stroke='%234b453c' stroke-width='1.6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 32px;
}
.field select:focus, .field input:focus { border-color: var(--red); box-shadow: 0 0 0 3px rgba(178, 58, 37, 0.1); }
.builder-actions { grid-column: 1 / -1; display: flex; gap: 11px; flex-wrap: wrap; padding-top: 4px; }

.builder-out {
  background: #221f1b;
  color: #f1ead9;
  border: 1px solid #221f1b;
  border-radius: 14px 8px 15px 9px;
  box-shadow: var(--shadow);
  overflow: hidden;
  position: sticky;
  top: 92px;
}
.out-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 18px;
  border-bottom: 1px solid rgba(244, 239, 227, 0.16);
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.14em;
  color: rgba(244, 239, 227, 0.65);
}
.out-tools { display: flex; gap: 8px; }
.mini-btn {
  padding: 5px 12px;
  font-size: 11.5px;
  font-family: var(--mono);
  background: transparent;
  color: #f1ead9;
  border: 1px solid rgba(244, 239, 227, 0.32);
  border-radius: 6px 3px 6px 3px;
  transition: background 0.2s, color 0.2s;
}
.mini-btn:hover { background: #f1ead9; color: #221f1b; }
.builder-out pre {
  margin: 0;
  padding: 22px clamp(16px, 2.4vw, 28px) 26px;
  font-family: var(--sans);
  font-size: 13.5px;
  line-height: 1.9;
  white-space: pre-wrap;
  word-break: break-word;
  max-height: 56vh;
  overflow: auto;
  color: #ece3cf;
  outline: none;
}
.builder-out pre::-webkit-scrollbar { width: 8px; }
.builder-out pre::-webkit-scrollbar-thumb { background: rgba(244, 239, 227, 0.25); border-radius: 8px; }

/* ============ 用法 ============ */
.steps { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: clamp(16px, 2.4vw, 26px); }
.step {
  position: relative;
  padding: 26px clamp(18px, 2.4vw, 30px) 30px;
  background: var(--card);
  border: 1px solid var(--line-strong);
  border-radius: 13px 7px 14px 8px;
  box-shadow: var(--shadow);
}
.step-no {
  position: absolute;
  top: 12px; right: 18px;
  font-family: var(--serif);
  font-size: 42px;
  line-height: 1;
  color: rgba(178, 58, 37, 0.22);
}
.step h3 { font-family: var(--serif); font-weight: 400; font-size: 24px; margin: 0 0 10px; }
.step p { margin: 0; font-size: 14px; color: var(--ink-2); }
.step a { color: var(--ink); text-decoration: underline; text-decoration-color: rgba(178, 58, 37, 0.5); text-underline-offset: 3px; }
code {
  font-family: var(--mono);
  font-size: 12.5px;
  background: rgba(30, 27, 24, 0.06);
  padding: 1px 6px;
  border-radius: 3px;
}

.note-card {
  margin-top: 40px;
  padding: clamp(24px, 3vw, 36px);
  border: 1.5px dashed var(--line-strong);
  border-radius: 6px 16px 6px 16px;
  background: rgba(255, 253, 246, 0.55);
}
.note-card h3 { font-family: var(--serif); font-weight: 400; font-size: 22px; margin: 0 0 14px; }
.note-card ul { margin: 0; padding-left: 1.2em; }
.note-card li { margin-bottom: 9px; font-size: 14px; color: var(--ink-2); }
.note-card li b { color: var(--ink); font-weight: 600; }

/* ============ 页脚 ============ */
.footer {
  margin-top: 40px;
  padding: clamp(48px, 6vw, 76px) clamp(18px, 4vw, 56px) 34px;
  background: #1e1b18;
  color: rgba(244, 239, 227, 0.82);
}
.footer-inner {
  display: flex;
  justify-content: space-between;
  gap: 40px;
  flex-wrap: wrap;
  max-width: 1208px;
  margin: 0 auto;
}
.footer-brand { font-family: var(--serif); font-size: 24px; color: #f4efe3; margin: 0 0 12px; }
.footer-note { margin: 0; font-size: 13px; max-width: 46em; line-height: 1.8; color: rgba(244, 239, 227, 0.62); }
.footer-note a { color: #f4efe3; text-decoration: underline; text-decoration-color: rgba(178, 58, 37, 0.7); text-underline-offset: 3px; }
.footer-links { display: flex; gap: 18px; flex-wrap: wrap; align-items: flex-start; font-size: 13.5px; }
.footer-links a { text-decoration: none; color: rgba(244, 239, 227, 0.72); border-bottom: 1px solid rgba(244, 239, 227, 0.2); padding-bottom: 2px; }
.footer-links a:hover { color: #fff; border-color: var(--red-soft); }
.footer-tiny {
  max-width: 1240px;
  margin: 40px auto 0;
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.12em;
  color: rgba(244, 239, 227, 0.32);
  border-top: 1px solid rgba(244, 239, 227, 0.12);
  padding-top: 18px;
}

/* ============ 弹窗 ============ */
.modal { position: fixed; inset: 0; z-index: 1000; display: grid; place-items: center; padding: clamp(12px, 3vw, 40px); }
.modal[hidden] { display: none; }
.modal-backdrop { position: absolute; inset: 0; background: rgba(24, 21, 18, 0.58); backdrop-filter: blur(4px); animation: fade 0.25s ease; }
.modal-panel {
  position: relative;
  width: min(1020px, 100%);
  max-height: min(88vh, 900px);
  overflow: auto;
  background: var(--paper);
  border: 1px solid var(--line-strong);
  border-radius: 16px 9px 17px 10px;
  box-shadow: 12px 14px 0 rgba(24, 21, 18, 0.22);
  animation: pop 0.3s cubic-bezier(0.2, 0.9, 0.25, 1);
}
.modal-close {
  position: absolute;
  right: 14px; top: 12px;
  z-index: 3;
  width: 38px; height: 38px;
  display: grid; place-items: center;
  font-size: 22px;
  line-height: 1;
  background: var(--card);
  border: 1px solid var(--line-strong);
  border-radius: 50%;
  color: var(--ink-2);
}
.modal-close:hover { background: var(--ink); color: var(--paper); }
.modal-body { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr); }
.modal-media {
  position: relative;
  padding: clamp(18px, 3vw, 32px);
  background: var(--paper-2);
  border-right: 1px solid var(--line);
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 320px;
}
.modal-media img {
  max-width: 100%;
  max-height: 60vh;
  width: auto;
  object-fit: contain;
  border: 1px solid var(--line-strong);
  background: var(--card);
  box-shadow: 5px 6px 0 rgba(30, 27, 24, 0.1);
}
.modal-id {
  position: absolute;
  left: clamp(18px, 3vw, 32px);
  bottom: clamp(12px, 2vw, 20px);
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--red);
  background: rgba(255, 253, 246, 0.9);
  border: 1px solid rgba(178, 58, 37, 0.4);
  padding: 3px 9px;
  border-radius: 4px;
}
.modal-info { padding: clamp(22px, 3vw, 38px); }
.modal-kicker { font-family: var(--mono); font-size: 10.5px; letter-spacing: 0.16em; color: var(--ink-3); margin: 0 0 10px; text-transform: uppercase; }
.modal-info h3 { font-family: var(--serif); font-weight: 400; font-size: clamp(24px, 3vw, 34px); line-height: 1.25; margin: 0 0 8px; }
.modal-sub { font-size: 13px; color: var(--ink-3); margin: 0 0 20px; }
.modal-label {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.16em;
  color: var(--ink-3);
  text-transform: uppercase;
  margin: 0 0 8px;
}
.modal-text {
  font-size: 14.5px;
  line-height: 1.9;
  color: var(--ink-2);
  max-height: 34vh;
  overflow: auto;
  padding-right: 6px;
  margin-bottom: 24px;
  white-space: pre-wrap;
}
.modal-text::-webkit-scrollbar { width: 6px; }
.modal-text::-webkit-scrollbar-thumb { background: rgba(30, 27, 24, 0.2); border-radius: 6px; }
.modal-tools { display: flex; gap: 10px; flex-wrap: wrap; }
.modal-tools .btn { padding: 11px 20px; font-size: 14px; }
.modal-rel { display: grid; grid-template-columns: repeat(4, 1fr); gap: 9px; margin: 22px 0 4px; }
.rel-item {
  padding: 4px;
  background: var(--card);
  border: 1px solid var(--line-strong);
  border-radius: 8px 4px 8px 5px;
  text-align: left;
  transition: transform 0.2s, box-shadow 0.2s;
}
.rel-item img { aspect-ratio: 1 / 1; object-fit: cover; width: 100%; background: var(--paper-2); }
.rel-item span { display: block; font-family: var(--mono); font-size: 9.5px; color: var(--ink-3); margin-top: 4px; letter-spacing: 0.04em; }
.rel-item:hover { transform: translateY(-3px); box-shadow: 3px 4px 0 rgba(30, 27, 24, 0.1); }
.rel-item.on { border-color: var(--red); }

.modal-nav { display: flex; justify-content: space-between; gap: 10px; margin-top: 22px; padding-top: 16px; border-top: 1px dashed var(--line-strong); }
.modal-nav .mini-btn { color: var(--ink-2); border-color: var(--line-strong); }
.modal-nav .mini-btn:hover { background: var(--ink); color: var(--paper); }

@keyframes fade { from { opacity: 0; } to { opacity: 1; } }
@keyframes pop { from { opacity: 0; transform: translateY(14px) scale(0.985); } to { opacity: 1; transform: none; } }

/* 回到顶部 */
.to-top {
  position: fixed;
  right: clamp(14px, 2.4vw, 30px);
  bottom: clamp(18px, 3vw, 34px);
  z-index: 900;
  width: 46px; height: 46px;
  display: grid; place-items: center;
  font-size: 19px;
  background: var(--card);
  border: 1px solid var(--ink);
  border-radius: 50%;
  box-shadow: 3px 4px 0 rgba(30, 27, 24, 0.14);
  color: var(--ink);
  transition: background 0.2s, color 0.2s, transform 0.2s, opacity 0.25s;
}
.to-top:hover { background: var(--ink); color: var(--paper); transform: translateY(-2px); }
.to-top[hidden] { display: none; }

/* toast */
.toast {
  position: fixed;
  left: 50%;
  bottom: 34px;
  z-index: 1100;
  transform: translate(-50%, 20px);
  background: var(--ink);
  color: var(--paper);
  font-size: 13.5px;
  padding: 11px 22px;
  border-radius: 10px 6px 11px 7px;
  box-shadow: 4px 5px 0 rgba(30, 27, 24, 0.2);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s, transform 0.25s;
}
.toast.show { opacity: 1; transform: translate(-50%, 0); }

/* ============ 响应式 ============ */
@media (max-width: 980px) {
  .hero-inner { grid-template-columns: 1fr; gap: 44px; }
  .hero-art { min-height: 0; max-width: 520px; }
  .art-note { position: static; margin-top: 16px; transform: none; }
  .seal { right: 0; bottom: 0; width: 76px; height: 76px; font-size: 17px; }
  .builder { grid-template-columns: 1fr; }
  .builder-out { position: static; }
  .modal-body { grid-template-columns: 1fr; }
  .modal-media { border-right: 0; border-bottom: 1px solid var(--line); }
  .nav { flex-wrap: wrap; height: auto; row-gap: 2px; padding: 9px 18px 8px; }
  .nav-links {
    order: 3;
    width: 100%;
    margin-left: 0;
    gap: 18px;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    padding-bottom: 2px;
  }
  .nav-links::-webkit-scrollbar { display: none; }
  .nav-links a { white-space: nowrap; font-size: 13px; }
  .nav-links a em { display: none; }
  .nav-repo { margin-left: auto; padding: 5px 11px; }
}

@media (max-width: 640px) {
  .hero h1 { font-size: 34px; }
  .hero-stats b { font-size: 32px; }
  .style-grid { grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 12px; }
  .layout-grid { grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); }
  .color-grid { grid-template-columns: repeat(auto-fill, minmax(112px, 1fr)); }
  .card { padding: 7px; }
  .card-name { font-size: 12.5px; }
  .sec-desc { font-size: 14px; }
  .builder-form { grid-template-columns: 1fr; }
  .footer-inner { flex-direction: column; gap: 24px; }
  .tick { width: 104px; }
  .tick img { width: 104px; height: 104px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .ticker-track { animation: none; }
  * { transition-duration: 0.01ms !important; animation-duration: 0.01ms !important; }
}