/* ============================================================
   银狐 作品集 — 设计系统
   风格：尼尔机械纪元 × 死亡搁浅 —— 简约科幻
   米白基底 / 细线框 / 衬线大标题 / 暖金点缀 / HUD 装饰元素
   ============================================================ */

:root {
  /* 色板 */
  --bg: #EAE7E0;            /* 尼尔米白 */
  --bg-soft: #F2F0EA;       /* 卡片浅底 */
  --bg-dark: #1D1C1A;       /* 深色块 */
  --bg-dark-2: #26241F;
  --ink: #2B2925;           /* 主文字 */
  --ink-soft: #6E6A60;      /* 次级文字 */
  --ink-faint: #9C988E;     /* 弱化文字 */
  --line: #C9C4B8;          /* 边框线 */
  --line-dark: #3A3832;
  --gold: #8A6D3B;          /* 暖金点缀 */
  --gold-soft: #A98F5F;
  --blue: #2E5A88;          /* 死亡搁浅蓝，链接 */
  --danger: #7E3A32;

  /* 字体 */
  --font-serif: "Source Han Serif SC", "Noto Serif SC", "Songti SC", "STSong", "SimSun", serif;
  --font-sans: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Helvetica Neue", sans-serif;

  /* 布局 */
  --width: 980px;
  --gutter: 24px;
  --line-w: 1px;
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 15px;
  line-height: 1.85;
  letter-spacing: 0.02em;
  -webkit-font-smoothing: antialiased;
}

/* ============ 排版 ============ */
h1, h2, h3, h4 { font-family: var(--font-serif); font-weight: 500; }

.serif { font-family: var(--font-serif); }

p { margin-bottom: 1em; }

a { color: var(--blue); text-decoration: none; border-bottom: 1px solid transparent; transition: border-color .2s, color .2s; }
a:hover { border-bottom-color: var(--blue); }

::selection { background: var(--gold-soft); color: #fff; }

/* ============ 布局容器 ============ */
.wrap { max-width: var(--width); margin: 0 auto; padding: 0 var(--gutter); }

/* ============ 顶部导航 ============ */
.site-nav {
  position: sticky; top: 0; z-index: 100;
  background: rgba(234, 231, 224, 0.92);
  backdrop-filter: blur(8px);
  border-bottom: var(--line-w) solid var(--line);
}
.site-nav .wrap {
  display: flex; align-items: center; justify-content: space-between;
  height: 56px;
}
.nav-brand {
  font-family: var(--font-serif);
  font-size: 17px;
  letter-spacing: 0.18em;
  color: var(--ink);
  text-decoration: none;
}
.nav-brand .dot { color: var(--gold); }
.nav-links { display: flex; gap: 28px; }
.nav-links a {
  font-size: 12.5px;
  letter-spacing: 0.14em;
  color: var(--ink-soft);
  border-bottom: none;
}
.nav-links a:hover { color: var(--ink); }
.nav-links a.active { color: var(--ink); }
.nav-links a.active::after { content: ""; display: block; height: 1px; background: var(--gold); margin-top: 2px; }
.nav-links > a { padding: 18px 0; }

/* ============ 导航下拉菜单 ============ */
.nav-item { position: relative; display: flex; align-items: center; }
.nav-item > a {
  font-size: 12.5px;
  letter-spacing: 0.14em;
  color: var(--ink-soft);
  border-bottom: none;
  padding: 18px 0;
}
.nav-item > a .caret {
  display: inline-block;
  margin-left: 6px;
  font-size: 10px;
  color: var(--ink-faint);
  transition: transform .2s;
}
.nav-item:hover > a { color: var(--ink); }
.nav-item:hover > a .caret { transform: rotate(180deg); }
.nav-item > a.active { color: var(--ink); }
.nav-item > a.active::after { content: ""; display: block; height: 1px; background: var(--gold); margin-top: 2px; }

.dropdown {
  position: absolute;
  top: 100%; left: 50%;
  transform: translateX(-50%) translateY(6px);
  min-width: 190px;
  background: var(--bg-soft);
  border: var(--line-w) solid var(--line);
  list-style: none;
  padding: 8px 0;
  opacity: 0;
  visibility: hidden;
  transition: opacity .2s, transform .2s, visibility .2s;
  box-shadow: 0 12px 28px rgba(43, 41, 37, 0.12);
  z-index: 200;
}
.nav-item:hover .dropdown,
.dropdown:hover {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
}
.dropdown li { margin: 0; }
.dropdown li a {
  display: block;
  padding: 8px 22px;
  font-size: 12.5px;
  letter-spacing: 0.1em;
  color: var(--ink-soft);
  border-bottom: none;
  white-space: nowrap;
  position: relative;
  transition: background .15s, color .15s, padding-left .15s;
}
.dropdown li a::before {
  content: "";
  position: absolute; left: 10px; top: 50%;
  width: 4px; height: 1px;
  background: var(--gold);
  opacity: 0;
  transition: opacity .15s;
}
.dropdown li a:hover {
  background: rgba(138, 109, 59, 0.07);
  color: var(--ink);
  padding-left: 26px;
}
.dropdown li a:hover::before { opacity: 1; }
.dropdown li + li a { border-top: none; }
.dropdown li:not(:last-child) a { border-bottom: 1px dashed rgba(201, 196, 184, 0.5); }

/* ============ Hero ============ */
.hero {
  background: var(--bg-dark);
  color: #E6E2D8;
  position: relative;
  overflow: hidden;
  border-bottom: var(--line-w) solid var(--line-dark);
}
.hero .wrap { padding-top: 110px; padding-bottom: 110px; position: relative; z-index: 2; }
.hero-tag {
  font-size: 12px; letter-spacing: 0.3em;
  color: var(--gold-soft);
  margin-bottom: 28px;
}
.hero h1 {
  font-size: 52px; line-height: 1.25;
  letter-spacing: 0.06em;
  font-weight: 500;
}
.hero h1 em {
  font-style: normal; color: var(--gold-soft);
}
.hero-sub {
  margin-top: 26px;
  max-width: 560px;
  color: #B9B4A8;
  font-size: 15.5px;
}
.hero-meta {
  margin-top: 48px;
  display: flex; gap: 40px; flex-wrap: wrap;
  font-size: 12px; letter-spacing: 0.16em; color: #8D887C;
}
.hero-meta span b { color: #C9C4B6; font-weight: 400; }

/* HUD 装饰 */
.hud-corner { position: absolute; width: 22px; height: 22px; border: 1px solid #4A473F; z-index: 3; }
.hud-corner.tl { top: 24px; left: 24px; border-right: none; border-bottom: none; }
.hud-corner.tr { top: 24px; right: 24px; border-left: none; border-bottom: none; }
.hud-corner.bl { bottom: 24px; left: 24px; border-right: none; border-top: none; }
.hud-corner.br { bottom: 24px; right: 24px; border-left: none; border-top: none; }
.hud-line {
  position: absolute; bottom: 0; left: 0; right: 0; height: 40px;
  background: repeating-linear-gradient(90deg, #4A473F 0 2px, transparent 2px 14px);
  opacity: .35; z-index: 1;
}

/* ============ 分区标题 ============ */
.section { padding: 76px 0 20px; }
.section-head {
  display: flex; align-items: baseline;
  border-bottom: var(--line-w) solid var(--ink);
  padding-bottom: 14px;
  margin-bottom: 34px;
}
.section-head .no {
  font-size: 12px; letter-spacing: 0.24em;
  color: var(--gold);
  margin-right: 18px;
  font-family: var(--font-sans);
}
.section-head h2 {
  font-size: 26px; letter-spacing: 0.1em;
}
.section-head .en {
  margin-left: auto;
  font-size: 11px; letter-spacing: 0.22em;
  color: var(--ink-faint);
  text-transform: uppercase;
}

/* ============ 卡片 ============ */
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.card {
  display: block;
  border: var(--line-w) solid var(--line);
  background: var(--bg-soft);
  padding: 26px 24px 24px;
  color: var(--ink);
  border-bottom: none;
  position: relative;
  transition: border-color .25s, transform .25s, box-shadow .25s;
}
.card:hover {
  border-color: var(--gold-soft);
  transform: translateY(-3px);
  box-shadow: 0 10px 24px rgba(43, 41, 37, 0.08);
}
.card .card-idx {
  font-size: 11px; letter-spacing: 0.22em; color: var(--ink-faint);
  margin-bottom: 16px;
}
.card .card-idx::after { content: ""; display: block; width: 34px; height: 1px; background: var(--gold); margin-top: 8px; }
.card h3 { font-size: 19px; letter-spacing: 0.05em; margin-bottom: 8px; }
.card .card-tags {
  font-size: 11.5px; letter-spacing: 0.1em; color: var(--gold);
  margin-bottom: 10px;
}
.card p { font-size: 13px; color: var(--ink-soft); margin-bottom: 0; line-height: 1.75; }
.card .card-arrow {
  position: absolute; right: 18px; bottom: 14px;
  font-size: 15px; color: var(--ink-faint);
  transition: color .2s, transform .2s;
}
.card:hover .card-arrow { color: var(--gold); transform: translateX(3px); }

/* ============ 项目详情页 ============ */
.page-hero {
  background: var(--bg-dark);
  color: #E6E2D8;
  border-bottom: var(--line-w) solid var(--line-dark);
}
.page-hero .wrap { padding-top: 84px; padding-bottom: 84px; }
.crumb {
  font-size: 11.5px; letter-spacing: 0.2em; color: #8D887C;
  margin-bottom: 26px;
}
.crumb a { color: #B9B4A8; }
.page-hero h1 { font-size: 40px; letter-spacing: 0.08em; }
.page-hero .lead {
  margin-top: 20px; max-width: 620px;
  color: #B9B4A8; font-size: 15px;
}
.page-hero .pmeta {
  margin-top: 34px; display: flex; gap: 36px; flex-wrap: wrap;
  font-size: 12px; letter-spacing: 0.14em; color: #8D887C;
}

.article { padding: 56px 0 40px; }
.article .wrap { max-width: 860px; }
.article h2 {
  font-size: 22px; letter-spacing: 0.08em;
  margin: 44px 0 16px;
  display: flex; align-items: center;
  scroll-margin-top: 76px;
}
.article h2::before {
  content: ""; width: 16px; height: 1px;
  background: var(--gold); margin-right: 14px;
}
.article h3 { font-size: 17px; margin: 28px 0 10px; color: var(--ink); }
.article p { color: #3A372F; }
.article .muted { color: var(--ink-soft); font-size: 13.5px; }

/* 设定条目 */
.spec-block {
  border-left: 2px solid var(--line);
  padding: 2px 0 2px 20px;
  margin: 22px 0;
}
.spec-block .spec-name {
  font-family: var(--font-serif);
  font-size: 17px;
  letter-spacing: 0.06em;
  margin-bottom: 4px;
}
.spec-block .spec-name .tag {
  font-family: var(--font-sans);
  font-size: 10.5px; letter-spacing: 0.14em;
  color: var(--gold);
  border: 1px solid var(--gold-soft);
  padding: 1px 7px;
  margin-left: 10px;
  vertical-align: 2px;
}
.spec-block p { font-size: 14px; color: var(--ink-soft); margin-bottom: 6px; }

/* 角色卡 */
.chara-card {
  border: var(--line-w) solid var(--line);
  background: var(--bg-soft);
  margin: 26px 0;
}
.chara-head {
  display: flex; align-items: baseline; flex-wrap: wrap; gap: 14px;
  padding: 20px 24px;
  border-bottom: var(--line-w) solid var(--line);
}
.chara-head h3 { margin: 0; font-size: 20px; letter-spacing: 0.08em; }
.chara-head .chara-title {
  font-size: 12px; letter-spacing: 0.14em; color: var(--gold);
}
.chara-head .chara-note { margin-left: auto; font-size: 11.5px; color: var(--ink-faint); letter-spacing: 0.1em; }
.chara-body { padding: 20px 24px 24px; }
.chara-body p { font-size: 14px; color: #3A372F; }
.chara-body .kv {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px 18px;
  margin: 14px 0; font-size: 13px;
}
.chara-body .kv .k { color: var(--ink-faint); font-size: 11.5px; letter-spacing: 0.1em; }

/* 语录 */
.quote-line {
  padding: 4px 0 4px 20px;
  border-left: 1px solid var(--gold-soft);
  margin: 10px 0;
  font-size: 14px; color: #3A372F;
}
.quote-line .speaker { color: var(--gold); font-size: 12px; letter-spacing: 0.12em; margin-right: 12px; }

/* 数据表样式行 */
.data-row {
  display: flex; gap: 16px; padding: 9px 0;
  border-bottom: 1px dashed var(--line);
  font-size: 13.5px;
}
.data-row:last-child { border-bottom: none; }
.data-row .dkey {
  flex: 0 0 110px; color: var(--ink-faint);
  font-size: 12px; letter-spacing: 0.1em; padding-top: 1px;
}
.data-row .dval { flex: 1; color: #3A372F; }

/* ============ 折叠详情面板 ============ */
details.spec-doc {
  border: var(--line-w) solid var(--line);
  background: var(--bg-soft);
  margin: 20px 0;
}
details.spec-doc > summary {
  list-style: none;
  cursor: pointer;
  display: flex; align-items: baseline; flex-wrap: wrap; gap: 14px;
  padding: 16px 22px;
  font-family: var(--font-serif);
  font-size: 16.5px;
  letter-spacing: 0.06em;
  transition: background .2s;
  position: relative;
}
details.spec-doc > summary::-webkit-details-marker { display: none; }
details.spec-doc > summary::after {
  content: "+";
  position: absolute; right: 20px; top: 50%;
  transform: translateY(-50%);
  color: var(--gold);
  font-size: 18px;
  font-family: var(--font-sans);
  transition: transform .25s;
}
details.spec-doc[open] > summary::after { transform: translateY(-50%) rotate(45deg); }
details.spec-doc > summary:hover { background: rgba(138, 109, 59, 0.05); }
details.spec-doc .sd-no {
  font-family: var(--font-sans);
  font-size: 10.5px; letter-spacing: 0.2em;
  color: var(--gold);
  border: 1px solid var(--gold-soft);
  padding: 1px 8px;
}
details.spec-doc .sd-note {
  margin-left: auto;
  font-family: var(--font-sans);
  font-size: 11px; letter-spacing: 0.1em;
  color: var(--ink-faint);
  font-weight: 400;
}
details.spec-doc .sd-body {
  border-top: var(--line-w) solid var(--line);
  padding: 22px 24px 26px;
  max-height: 640px;
  overflow-y: auto;
}
details.spec-doc .sd-body h3 {
  font-size: 17px; letter-spacing: 0.06em;
  margin: 22px 0 10px;
  padding-bottom: 6px;
  border-bottom: 1px dashed var(--line);
}
details.spec-doc .sd-body h3:first-child { margin-top: 0; }
details.spec-doc .sd-body h4 {
  font-size: 14.5px; margin: 16px 0 6px; color: var(--ink);
}
details.spec-doc .sd-body .sub-head {
  font-family: var(--font-serif);
  font-size: 15px; letter-spacing: 0.05em;
  color: var(--ink);
  margin: 14px 0 6px;
  border-left: 2px solid var(--gold);
  padding-left: 12px;
}
details.spec-doc .sd-body p {
  font-size: 13.5px; color: #3A372F; margin-bottom: 6px; line-height: 1.8;
}
details.spec-doc .sd-body .spec-kv { margin-bottom: 5px; }
details.spec-doc .sd-body .kv-label {
  display: inline-block;
  font-size: 11.5px; letter-spacing: 0.12em;
  color: var(--gold);
  margin-right: 12px;
  min-width: 70px;
  vertical-align: baseline;
}
details.spec-doc .sd-body .kv-label::after { content: " ·"; }

/* ============ 阅读页（小说/脚本） ============ */
.reader { padding: 56px 0; }
.reader .wrap { max-width: 720px; }
.reader .novel-title {
  font-family: var(--font-serif);
  font-size: 28px; letter-spacing: 0.1em;
  margin-bottom: 8px;
}
.reader .novel-stamp {
  font-size: 12px; letter-spacing: 0.18em; color: var(--gold);
  margin-bottom: 40px;
}
.reader .chapter-block { margin-bottom: 44px; }
.reader .chapter-block h2 {
  font-size: 21px; letter-spacing: 0.08em;
  border-bottom: var(--line-w) solid var(--line);
  padding-bottom: 12px; margin-bottom: 22px;
  display: flex; align-items: baseline; gap: 14px;
}
.reader .chapter-block h2 .ch-no {
  font-family: var(--font-sans);
  font-size: 11.5px; letter-spacing: 0.2em; color: var(--gold);
}
.reader p { text-indent: 2em; font-size: 15px; color: #33302A; }
.reader .divider {
  text-align: center; color: var(--gold);
  letter-spacing: 0.6em; margin: 26px 0; font-size: 13px;
}
.reader .scene-note {
  font-size: 12.5px; color: var(--ink-faint);
  letter-spacing: 0.08em; text-indent: 0;
  margin: 18px 0 6px;
}
.reader .scene-note::before { content: "// "; color: var(--gold); }

/* 对话格式 */
.reader .dlg { text-indent: 0; }
.reader .dlg .spk { color: var(--gold); font-size: 13px; letter-spacing: 0.1em; margin-right: 10px; }
.reader .dlg-line { text-indent: 0; margin-bottom: 0.55em; font-size: 14.5px; }
.reader .dlg-line .spk {
  display: inline-block;
  min-width: 88px;
  color: var(--gold);
  font-size: 12px;
  letter-spacing: 0.12em;
  margin-right: 14px;
  vertical-align: baseline;
}
.reader .dlg-line .spk::after { content: " ─"; color: var(--line); }
.reader .nar {
  text-indent: 0;
  font-size: 14px;
  color: var(--ink-soft);
  border-left: 1px solid var(--line);
  padding-left: 16px;
  margin: 14px 0;
}
.reader .st-sec {
  font-family: var(--font-sans);
  font-size: 12px; letter-spacing: 0.3em;
  color: var(--gold);
  margin: 40px 0 18px;
  display: flex; align-items: center; gap: 14px;
}
.reader .st-sec::after {
  content: ""; flex: 1; height: 1px;
  background: repeating-linear-gradient(90deg, var(--line) 0 4px, transparent 4px 10px);
}

/* ============ 关于页 ============ */
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; }
.contact-line { display: flex; gap: 16px; padding: 12px 0; border-bottom: 1px dashed var(--line); }
.contact-line .k { flex: 0 0 90px; color: var(--ink-faint); font-size: 12px; letter-spacing: 0.14em; }
.btn-dl {
  display: inline-block;
  border: 1px solid var(--gold-soft);
  color: var(--gold);
  padding: 10px 26px;
  letter-spacing: 0.16em;
  font-size: 13px;
  margin-top: 18px;
  transition: background .2s, color .2s;
}
.btn-dl:hover { background: var(--gold); color: #fff; border-color: var(--gold); }

/* ============ 页脚 ============ */
.site-footer {
  margin-top: 90px;
  background: var(--bg-dark);
  color: #8D887C;
  border-top: var(--line-w) solid var(--line-dark);
}
.site-footer .wrap {
  padding: 42px var(--gutter);
  display: flex; align-items: center; justify-content: space-between;
  gap: 20px; flex-wrap: wrap;
  font-size: 12px; letter-spacing: 0.12em;
}
.site-footer .sig { color: #C9C4B6; font-family: var(--font-serif); letter-spacing: 0.16em; }
.site-footer .hint { color: #6E6A60; }

/* ============ 响应式 ============ */
/* ============ 移动端适配 ============ */
@media (max-width: 860px) {
  /* 布局：多列降为单列 */
  .cards { grid-template-columns: 1fr; }
  .about-grid { grid-template-columns: 1fr; }
  .chara-body .kv { grid-template-columns: 1fr; }

  /* 导航：允许换行并取消固定高度（修复横向溢出根源） */
  .site-nav .wrap {
    height: auto; min-height: 56px;
    flex-wrap: wrap; row-gap: 0;
    padding-top: 8px; padding-bottom: 8px;
  }
  .nav-brand { padding: 4px 0; font-size: 15px; }
  .nav-links { flex-wrap: wrap; gap: 4px 16px; }
  .nav-links > a, .nav-item > a { padding: 4px 0; }
  .nav-links a, .nav-item > a { font-size: 12px; letter-spacing: 0.1em; }
  /* 触摸设备无 hover：隐藏无法展开的下拉菜单与箭头（父页面内有锚点导航） */
  .dropdown { display: none; }
  .nav-item > a .caret { display: none; }

  /* 标题与首屏节奏 */
  .hero h1 { font-size: 30px; letter-spacing: 0.04em; }
  .hero .wrap { padding-top: 64px; padding-bottom: 64px; }
  .hero-tag { font-size: 11px; letter-spacing: 0.18em; margin-bottom: 20px; }
  .hero-sub { font-size: 14.5px; }
  .page-hero .wrap { padding-top: 56px; padding-bottom: 56px; }

  /* 数据行标签收窄，避免窄屏挤压 */
  .data-row .dkey { flex: 0 0 84px; }

  /* 兜底：消除任何残余横向溢出 */
  html, body { overflow-x: hidden; }
  img, svg, table, pre, code { max-width: 100%; }
  .article .wrap, .reader .wrap { max-width: 100%; }
  .hero-sub, .article p, .reader p { overflow-wrap: break-word; word-break: break-word; }

  /* 阅读页与详情面板的窄屏优化 */
  .reader { padding: 36px 0; }
  .reader .novel-title { font-size: 22px; }
  .reader .chapter-block h2 { font-size: 18px; }
  .reader .dlg-line .spk { min-width: 64px; margin-right: 8px; }
  details.spec-doc .sd-body { max-height: none; padding: 18px 18px 22px; }
  .chara-body { padding: 16px 18px 20px; }
}